Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus

Conflicts: include/linux/sunrpc/xprt.h net/sunrpc/xprtsock.c Fix up conflicts with the workqueue changes.
author: Trond Myklebust <Trond.Myklebust@netapp.com> 2006-12-07 15:48:15 -0500
committer: Trond Myklebust <Trond.Myklebust@netapp.com> 2006-12-07 15:48:15 -0500
commit: 34161db6b14d984fb9b06c735b7b42f8803f6851 (patch)
tree: 99656278b6697f1cde5b05894b7c0ee22c63a00e /arch
parent: 5847e1f4d058677c5e46dc6c3e3c70e8855ea3ba (diff)
parent: 620034c84d1d939717bdfbe02c51a3fee43541c3 (diff)
142 files changed, 4968 insertions, 1455 deletions
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
index 605dedf96790..b3599743093b 100644
--- a/arch/arm/common/sharpsl_pm.c
+++ b/arch/arm/common/sharpsl_pm.c
@@ -60,16 +60,16 @@ static int sharpsl_ac_check(void);
 static int sharpsl_fatal_check(void);
 static int sharpsl_average_value(int ad);
 static void sharpsl_average_clear(void);
-static void sharpsl_charge_toggle(void *private_);
+static void sharpsl_charge_toggle(struct work_struct *private_);
-static void sharpsl_battery_thread(void *private_);
+static void sharpsl_battery_thread(struct work_struct *private_);
 /*
 * Variables
 */
 struct sharpsl_pm_status sharpsl_pm;
-DECLARE_WORK(toggle_charger, sharpsl_charge_toggle, NULL);
+DECLARE_DELAYED_WORK(toggle_charger, sharpsl_charge_toggle);
-DECLARE_WORK(sharpsl_bat, sharpsl_battery_thread, NULL);
+DECLARE_DELAYED_WORK(sharpsl_bat, sharpsl_battery_thread);
 DEFINE_LED_TRIGGER(sharpsl_charge_led_trigger);
@@ -116,7 +116,7 @@ void sharpsl_battery_kick(void)
 EXPORT_SYMBOL(sharpsl_battery_kick);
-static void sharpsl_battery_thread(void *private_)
+static void sharpsl_battery_thread(struct work_struct *private_)
 {
        int voltage, percent, apm_status, i = 0;
@@ -128,7 +128,7 @@ static void sharpsl_battery_thread(void *private_)
        /* Corgi cannot confirm when battery fully charged so periodically kick! */
        if (!sharpsl_pm.machinfo->batfull_irq && (sharpsl_pm.charge_mode == CHRG_ON)
                        && time_after(jiffies, sharpsl_pm.charge_start_time +  SHARPSL_CHARGE_ON_TIME_INTERVAL))
-                schedule_work(&toggle_charger);
+                schedule_delayed_work(&toggle_charger, 0);
        while(1) {
                voltage = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
@@ -212,7 +212,7 @@ static void sharpsl_charge_off(void)
        sharpsl_pm_led(SHARPSL_LED_OFF);
        sharpsl_pm.charge_mode = CHRG_OFF;
-        schedule_work(&sharpsl_bat);
+        schedule_delayed_work(&sharpsl_bat, 0);
 }
 static void sharpsl_charge_error(void)
@@ -222,7 +222,7 @@ static void sharpsl_charge_error(void)
        sharpsl_pm.charge_mode = CHRG_ERROR;
 }
-static void sharpsl_charge_toggle(void *private_)
+static void sharpsl_charge_toggle(struct work_struct *private_)
 {
        dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
@@ -254,7 +254,7 @@ static void sharpsl_ac_timer(unsigned long data)
        else if (sharpsl_pm.charge_mode == CHRG_ON)
                sharpsl_charge_off();
-        schedule_work(&sharpsl_bat);
+        schedule_delayed_work(&sharpsl_bat, 0);
 }
@@ -279,10 +279,10 @@ static void sharpsl_chrg_full_timer(unsigned long data)
                        sharpsl_charge_off();
        } else if (sharpsl_pm.full_count < 2) {
                dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n");
-                schedule_work(&toggle_charger);
+                schedule_delayed_work(&toggle_charger, 0);
        } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) {
                dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n");
-                schedule_work(&toggle_charger);
+                schedule_delayed_work(&toggle_charger, 0);
        } else {
                sharpsl_charge_off();
                sharpsl_pm.charge_mode = CHRG_DONE;
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index f225a083dee1..9d2346fb68f4 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -323,7 +323,8 @@ static int h3_transceiver_mode(struct device *dev, int mode)
        cancel_delayed_work(&irda_config->gpio_expa);
        PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
-        schedule_work(&irda_config->gpio_expa);
+#error this is not permitted - mode is an argument variable
+        schedule_delayed_work(&irda_config->gpio_expa, 0);
        return 0;
 }
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index dbc555d209ff..cbe909bad79b 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -74,7 +74,7 @@ static struct omap_kp_platform_data nokia770_kp_data = {
        .rows           = 8,
        .cols           = 8,
        .keymap         = nokia770_keymap,
-        .keymapsize     = ARRAY_SIZE(nokia770_keymap)
+        .keymapsize     = ARRAY_SIZE(nokia770_keymap),
        .delay          = 4,
 };
@@ -191,7 +191,7 @@ static void nokia770_audio_pwr_up(void)
                printk("HP connected\n");
 }
-static void codec_delayed_power_down(void *arg)
+static void codec_delayed_power_down(struct work_struct *work)
 {
        down(&audio_pwr_sem);
        if (audio_pwr_state == -1)
@@ -200,7 +200,7 @@ static void codec_delayed_power_down(void *arg)
        up(&audio_pwr_sem);
 }
-static DECLARE_WORK(codec_power_down_work, codec_delayed_power_down, NULL);
+static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
 static void nokia770_audio_pwr_down(void)
 {
diff --git a/arch/arm/mach-omap1/leds-osk.c b/arch/arm/mach-omap1/leds-osk.c
index 3b29e59b0e6f..0cbf1b0071f8 100644
--- a/arch/arm/mach-omap1/leds-osk.c
+++ b/arch/arm/mach-omap1/leds-osk.c
@@ -35,7 +35,7 @@ static u8 hw_led_state;
 static u8 tps_leds_change;
-static void tps_work(void *unused)
+static void tps_work(struct work_struct *unused)
 {
        for (;;) {
                u8      leds;
@@ -61,7 +61,7 @@ static void tps_work(void *unused)
        }
 }
-static DECLARE_WORK(work, tps_work, NULL);
+static DECLARE_WORK(work, tps_work);
 #ifdef  CONFIG_OMAP_OSK_MISTRAL
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 26a95a642ad7..3b1ad1d981a3 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -206,7 +206,8 @@ static int h4_transceiver_mode(struct device *dev, int mode)
        cancel_delayed_work(&irda_config->gpio_expa);
        PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
-        schedule_work(&irda_config->gpio_expa);
+#error this is not permitted - mode is an argument variable
+        schedule_delayed_work(&irda_config->gpio_expa, 0);
        return 0;
 }
diff --git a/arch/arm/mach-pxa/akita-ioexp.c b/arch/arm/mach-pxa/akita-ioexp.c
index 1b398742ab56..12d2fe0ceff6 100644
--- a/arch/arm/mach-pxa/akita-ioexp.c
+++ b/arch/arm/mach-pxa/akita-ioexp.c
@@ -36,11 +36,11 @@ I2C_CLIENT_INSMOD;
 static int max7310_write(struct i2c_client *client, int address, int data);
 static struct i2c_client max7310_template;
-static void akita_ioexp_work(void *private_);
+static void akita_ioexp_work(struct work_struct *private_);
 static struct device *akita_ioexp_device;
 static unsigned char ioexp_output_value = AKITA_IOEXP_IO_OUT;
-DECLARE_WORK(akita_ioexp, akita_ioexp_work, NULL);
+DECLARE_WORK(akita_ioexp, akita_ioexp_work);
 /*
@@ -158,7 +158,7 @@ void akita_reset_ioexp(struct device *dev, unsigned char bit)
 EXPORT_SYMBOL(akita_set_ioexp);
 EXPORT_SYMBOL(akita_reset_ioexp);
-static void akita_ioexp_work(void *private_)
+static void akita_ioexp_work(struct work_struct *private_)
 {
        if (akita_ioexp_device)
                max7310_set_ouputs(akita_ioexp_device, ioexp_output_value);
diff --git a/arch/i386/kernel/cpu/mcheck/non-fatal.c b/arch/i386/kernel/cpu/mcheck/non-fatal.c
index 1f9153ae5b03..6b5d3518a1c0 100644
--- a/arch/i386/kernel/cpu/mcheck/non-fatal.c
+++ b/arch/i386/kernel/cpu/mcheck/non-fatal.c
@@ -51,10 +51,10 @@ static void mce_checkregs (void *info)
        }
 }
-static void mce_work_fn(void *data);
+static void mce_work_fn(struct work_struct *work);
-static DECLARE_WORK(mce_work, mce_work_fn, NULL);
+static DECLARE_DELAYED_WORK(mce_work, mce_work_fn);
-static void mce_work_fn(void *data)
+static void mce_work_fn(struct work_struct *work)
 { 
        on_each_cpu(mce_checkregs, NULL, 1, 1);
        schedule_delayed_work(&mce_work, MCE_RATE);
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 4bb8b77cd65b..02a9b66b6ac3 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -1049,13 +1049,15 @@ void cpu_exit_clear(void)
 struct warm_boot_cpu_info {
        struct completion *complete;
+        struct work_struct task;
        int apicid;
        int cpu;
 };
-static void __cpuinit do_warm_boot_cpu(void *p)
+static void __cpuinit do_warm_boot_cpu(struct work_struct *work)
 {
-        struct warm_boot_cpu_info *info = p;
+        struct warm_boot_cpu_info *info =
+                container_of(work, struct warm_boot_cpu_info, task);
        do_boot_cpu(info->apicid, info->cpu);
        complete(info->complete);
 }
@@ -1064,7 +1066,6 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
 {
        DECLARE_COMPLETION_ONSTACK(done);
        struct warm_boot_cpu_info info;
-        struct work_struct task;
        int     apicid, ret;
        struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, cpu);
@@ -1089,7 +1090,7 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
        info.complete = &done;
        info.apicid = apicid;
        info.cpu = cpu;
-        INIT_WORK(&task, do_warm_boot_cpu, &info);
+        INIT_WORK(&info.task, do_warm_boot_cpu);
        tsc_sync_disabled = 1;
@@ -1097,7 +1098,7 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
        clone_pgd_range(swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS,
                        KERNEL_PGD_PTRS);
        flush_tlb_all();
-        schedule_work(&task);
+        schedule_work(&info.task);
        wait_for_completion(&done);
        tsc_sync_disabled = 0;
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index fbc95828cd74..9810c8c90750 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -217,7 +217,7 @@ static unsigned int cpufreq_delayed_issched = 0;
 static unsigned int cpufreq_init = 0;
 static struct work_struct cpufreq_delayed_get_work;
-static void handle_cpufreq_delayed_get(void *v)
+static void handle_cpufreq_delayed_get(struct work_struct *work)
 {
        unsigned int cpu;
@@ -306,7 +306,7 @@ static int __init cpufreq_tsc(void)
 {
        int ret;
-        INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get, NULL);
+        INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get);
        ret = cpufreq_register_notifier(&time_cpufreq_notifier_block,
                                        CPUFREQ_TRANSITION_NOTIFIER);
        if (!ret)
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index caab986af70c..b62f0c4d2c7c 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -209,7 +209,7 @@ static void do_serial_bh(void)
 }
 #endif
-static void do_softint(void *private_)
+static void do_softint(struct work_struct *private_)
 {
        printk(KERN_ERR "simserial: do_softint called\n");
 }
@@ -698,7 +698,7 @@ static int get_async_struct(int line, struct async_struct **ret_info)
        info->flags = sstate->flags;
        info->xmit_fifo_size = sstate->xmit_fifo_size;
        info->line = line;
-        INIT_WORK(&info->work, do_softint, info);
+        INIT_WORK(&info->work, do_softint);
        info->state = sstate;
        if (sstate->info) {
                kfree(info);
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 7cfa63a98cb3..6bedd97570ca 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -678,7 +678,7 @@ ia64_mca_cmc_vector_enable (void *dummy)
 * disable the cmc interrupt vector.
 */
 static void
-ia64_mca_cmc_vector_disable_keventd(void *unused)
+ia64_mca_cmc_vector_disable_keventd(struct work_struct *unused)
 {
        on_each_cpu(ia64_mca_cmc_vector_disable, NULL, 1, 0);
 }
@@ -690,7 +690,7 @@ ia64_mca_cmc_vector_disable_keventd(void *unused)
 * enable the cmc interrupt vector.
 */
 static void
-ia64_mca_cmc_vector_enable_keventd(void *unused)
+ia64_mca_cmc_vector_enable_keventd(struct work_struct *unused)
 {
        on_each_cpu(ia64_mca_cmc_vector_enable, NULL, 1, 0);
 }
@@ -1247,8 +1247,8 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
        monarch_cpu = -1;
 }
-static DECLARE_WORK(cmc_disable_work, ia64_mca_cmc_vector_disable_keventd, NULL);
+static DECLARE_WORK(cmc_disable_work, ia64_mca_cmc_vector_disable_keventd);
-static DECLARE_WORK(cmc_enable_work, ia64_mca_cmc_vector_enable_keventd, NULL);
+static DECLARE_WORK(cmc_enable_work, ia64_mca_cmc_vector_enable_keventd);
 /*
 * ia64_mca_cmc_int_handler
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index f7d7f5668144..b21ddecea943 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -463,15 +463,17 @@ struct pt_regs * __devinit idle_regs(struct pt_regs *regs)
 }
 struct create_idle {
+        struct work_struct work;
        struct task_struct *idle;
        struct completion done;
        int cpu;
 };
 void
-do_fork_idle(void *_c_idle)
+do_fork_idle(struct work_struct *work)
 {
-        struct create_idle *c_idle = _c_idle;
+        struct create_idle *c_idle =
+                container_of(work, struct create_idle, work);
        c_idle->idle = fork_idle(c_idle->cpu);
        complete(&c_idle->done);
@@ -482,10 +484,10 @@ do_boot_cpu (int sapicid, int cpu)
 {
        int timeout;
        struct create_idle c_idle = {
+                .work = __WORK_INITIALIZER(c_idle.work, do_fork_idle),
                .cpu    = cpu,
                .done   = COMPLETION_INITIALIZER(c_idle.done),
        };
-        DECLARE_WORK(work, do_fork_idle, &c_idle);
        c_idle.idle = get_idle_for_cpu(cpu);
        if (c_idle.idle) {
@@ -497,9 +499,9 @@ do_boot_cpu (int sapicid, int cpu)
         * We can't use kernel_thread since we must avoid to reschedule the child.
         */
        if (!keventd_up() || current_is_keventd())
-                work.func(work.data);
+                c_idle.work.func(&c_idle.work);
        else {
-                schedule_work(&work);
+                schedule_work(&c_idle.work);
                wait_for_completion(&c_idle.done);
        }
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index f4edfbf27134..eb92cef9cd0d 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -564,8 +564,8 @@ pcibios_enable_device (struct pci_dev *dev, int mask)
 void
 pcibios_disable_device (struct pci_dev *dev)
 {
-        if (dev->is_enabled)
+        BUG_ON(atomic_read(&dev->enable_cnt));
-                acpi_pci_irq_disable(dev);
+        acpi_pci_irq_disable(dev);
 }
 void
diff --git a/arch/m68knommu/platform/5307/timers.c b/arch/m68knommu/platform/5307/timers.c
index 24781f009337..e5668af19789 100644
--- a/arch/m68knommu/platform/5307/timers.c
+++ b/arch/m68knommu/platform/5307/timers.c
@@ -3,7 +3,7 @@
 /*
 *      timers.c -- generic ColdFire hardware timer support.
 *
- *      Copyright (C) 1999-2003, Greg Ungerer (gerg@snapgear.com)
+ *      Copyright (C) 1999-2006, Greg Ungerer (gerg@snapgear.com)
 */
 /***************************************************************************/
@@ -44,6 +44,14 @@ unsigned int	mcf_timerlevel = 5;
 extern void mcf_settimericr(int timer, int level);
 extern int mcf_timerirqpending(int timer);
+#if defined(CONFIG_M532x)
+#define __raw_readtrr   __raw_readl
+#define __raw_writetrr  __raw_writel
+#else
+#define __raw_readtrr   __raw_readw
+#define __raw_writetrr  __raw_writew
+#endif
 /***************************************************************************/
 void coldfire_tick(void)
@@ -57,7 +65,7 @@ void coldfire_tick(void)
 void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *))
 {
        __raw_writew(MCFTIMER_TMR_DISABLE, TA(MCFTIMER_TMR));
-        __raw_writew(((MCF_BUSCLK / 16) / HZ), TA(MCFTIMER_TRR));
+        __raw_writetrr(((MCF_BUSCLK / 16) / HZ), TA(MCFTIMER_TRR));
        __raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
                MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, TA(MCFTIMER_TMR));
@@ -76,7 +84,7 @@ unsigned long coldfire_timer_offset(void)
        unsigned long trr, tcn, offset;
        tcn = __raw_readw(TA(MCFTIMER_TCN));
-        trr = __raw_readw(TA(MCFTIMER_TRR));
+        trr = __raw_readtrr(TA(MCFTIMER_TRR));
        offset = (tcn * (1000000 / HZ)) / trr;
        /* Check if we just wrapped the counters and maybe missed a tick */
@@ -120,7 +128,7 @@ void coldfire_profile_init(void)
        /* Set up TIMER 2 as high speed profile clock */
        __raw_writew(MCFTIMER_TMR_DISABLE, PA(MCFTIMER_TMR));
-        __raw_writew(((MCF_CLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
+        __raw_writetrr(((MCF_CLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
        __raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
                MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, PA(MCFTIMER_TMR));
diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c
index c5482e3622eb..1b36f6261764 100644
--- a/arch/m68knommu/platform/68360/config.c
+++ b/arch/m68knommu/platform/68360/config.c
@@ -114,7 +114,7 @@ void BSP_gettod (int *yearp, int *monp, int *dayp,
 {
 }
-int BSP_hwclk(int op, struct hwclk_time *t)
+int BSP_hwclk(int op, struct rtc_time *t)
 {
  if (!op) {
    /* read */
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4d64960be035..d8af858fe3f5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -242,6 +242,7 @@ config LASAT
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config MIPS_ATLAS
        bool "MIPS Atlas board"
@@ -265,6 +266,7 @@ config MIPS_ATLAS
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
+        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          This enables support for the MIPS Technologies Atlas evaluation
          board.
@@ -419,6 +421,7 @@ config MOMENCO_OCELOT_C
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          The Ocelot is a MIPS-based Single Board Computer (SBC) made by
          Momentum Computer <http://www.momenco.com/>.
@@ -569,6 +572,7 @@ config SGI_IP27
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_NUMA
        select SYS_SUPPORTS_SMP
+        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
          workstations.  To compile a Linux kernel that runs on these, say Y
@@ -835,6 +839,10 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER
        bool
        default y
+config GENERIC_HARDIRQS_NO__DO_IRQ
+        bool
+        default n
 #
 # Select some configuration options automatically based on user selections.
 #
@@ -996,6 +1004,7 @@ config SOC_PNX8550
        select HW_HAS_PCI
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config SWAP_IO_SPACE
        bool
diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c
index c8430c07355e..6d55e8aab668 100644
--- a/arch/mips/dec/ecc-berr.c
+++ b/arch/mips/dec/ecc-berr.c
@@ -25,6 +25,7 @@
 #include <asm/cpu.h>
 #include <asm/irq_regs.h>
 #include <asm/processor.h>
+#include <asm/ptrace.h>
 #include <asm/system.h>
 #include <asm/traps.h>
diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c
index 269b22b34313..4c7cb4048d35 100644
--- a/arch/mips/dec/ioasic-irq.c
+++ b/arch/mips/dec/ioasic-irq.c
@@ -67,7 +67,6 @@ static struct irq_chip ioasic_irq_type = {
        .mask = mask_ioasic_irq,
        .mask_ack = ack_ioasic_irq,
        .unmask = unmask_ioasic_irq,
-        .end = end_ioasic_irq,
 };
@@ -106,8 +105,7 @@ void __init init_ioasic_irqs(int base)
                set_irq_chip_and_handler(i, &ioasic_irq_type,
                                         handle_level_irq);
        for (; i < base + IO_IRQ_LINES; i++)
-                set_irq_chip_and_handler(i, &ioasic_dma_irq_type,
+                set_irq_chip(i, &ioasic_dma_irq_type);
-                                         handle_level_irq);
        ioasic_irq_base = base;
 }
diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
index f19b4617a0a6..d3b8002bf1e7 100644
--- a/arch/mips/dec/kn01-berr.c
+++ b/arch/mips/dec/kn01-berr.c
@@ -20,8 +20,10 @@
 #include <linux/types.h>
 #include <asm/inst.h>
+#include <asm/irq_regs.h>
 #include <asm/mipsregs.h>
 #include <asm/page.h>
+#include <asm/ptrace.h>
 #include <asm/system.h>
 #include <asm/traps.h>
 #include <asm/uaccess.h>
diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c
index 5a9be4c93584..916e46b8ccd8 100644
--- a/arch/mips/dec/kn02-irq.c
+++ b/arch/mips/dec/kn02-irq.c
@@ -57,19 +57,12 @@ static void ack_kn02_irq(unsigned int irq)
        iob();
 }
-static void end_kn02_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_kn02_irq(irq);
-}
 static struct irq_chip kn02_irq_type = {
        .typename = "KN02-CSR",
        .ack = ack_kn02_irq,
        .mask = mask_kn02_irq,
        .mask_ack = ack_kn02_irq,
        .unmask = unmask_kn02_irq,
-        .end = end_kn02_irq,
 };
diff --git a/arch/mips/emma2rh/common/irq_emma2rh.c b/arch/mips/emma2rh/common/irq_emma2rh.c
index 59b98299c896..8d880f0b06ec 100644
--- a/arch/mips/emma2rh/common/irq_emma2rh.c
+++ b/arch/mips/emma2rh/common/irq_emma2rh.c
@@ -56,19 +56,12 @@ static void emma2rh_irq_disable(unsigned int irq)
        ll_emma2rh_irq_disable(irq - emma2rh_irq_base);
 }
-static void emma2rh_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                ll_emma2rh_irq_enable(irq - emma2rh_irq_base);
-}
 struct irq_chip emma2rh_irq_controller = {
        .typename = "emma2rh_irq",
        .ack = emma2rh_irq_disable,
        .mask = emma2rh_irq_disable,
        .mask_ack = emma2rh_irq_disable,
        .unmask = emma2rh_irq_enable,
-        .end = emma2rh_irq_end,
 };
 void emma2rh_irq_init(u32 irq_base)
diff --git a/arch/mips/emma2rh/markeins/irq_markeins.c b/arch/mips/emma2rh/markeins/irq_markeins.c
index 3ac4e405ecdc..2116d9be5fa9 100644
--- a/arch/mips/emma2rh/markeins/irq_markeins.c
+++ b/arch/mips/emma2rh/markeins/irq_markeins.c
@@ -48,19 +48,12 @@ static void emma2rh_sw_irq_disable(unsigned int irq)
        ll_emma2rh_sw_irq_disable(irq - emma2rh_sw_irq_base);
 }
-static void emma2rh_sw_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                ll_emma2rh_sw_irq_enable(irq - emma2rh_sw_irq_base);
-}
 struct irq_chip emma2rh_sw_irq_controller = {
        .typename = "emma2rh_sw_irq",
        .ack = emma2rh_sw_irq_disable,
        .mask = emma2rh_sw_irq_disable,
        .mask_ack = emma2rh_sw_irq_disable,
        .unmask = emma2rh_sw_irq_enable,
-        .end = emma2rh_sw_irq_end,
 };
 void emma2rh_sw_irq_init(u32 irq_base)
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c
index 5c4f50cdf157..f8d417b5c2bb 100644
--- a/arch/mips/jazz/irq.c
+++ b/arch/mips/jazz/irq.c
@@ -39,19 +39,12 @@ void disable_r4030_irq(unsigned int irq)
        spin_unlock_irqrestore(&r4030_lock, flags);
 }
-static void end_r4030_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_r4030_irq(irq);
-}
 static struct irq_chip r4030_irq_type = {
        .typename = "R4030",
        .ack = disable_r4030_irq,
        .mask = disable_r4030_irq,
        .mask_ack = disable_r4030_irq,
        .unmask = enable_r4030_irq,
-        .end = end_r4030_irq,
 };
 void __init init_r4030_ints(void)
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 2526c0ca4d81..b59a676c6d0e 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -19,9 +19,6 @@
 #include <asm/i8259.h>
 #include <asm/io.h>
-void enable_8259A_irq(unsigned int irq);
-void disable_8259A_irq(unsigned int irq);
 /*
 * This is the 'legacy' 8259A Programmable Interrupt Controller,
 * present in the majority of PC/AT boxes.
@@ -31,23 +28,16 @@ void disable_8259A_irq(unsigned int irq);
 * moves to arch independent land
 */
+static int i8259A_auto_eoi;
 DEFINE_SPINLOCK(i8259A_lock);
+/* some platforms call this... */
-static void end_8259A_irq (unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
-            irq_desc[irq].action)
-                enable_8259A_irq(irq);
-}
 void mask_and_ack_8259A(unsigned int);
-static struct irq_chip i8259A_irq_type = {
+static struct irq_chip i8259A_chip = {
-        .typename = "XT-PIC",
+        .name           = "XT-PIC",
-        .enable = enable_8259A_irq,
+        .mask           = disable_8259A_irq,
-        .disable = disable_8259A_irq,
+        .unmask         = enable_8259A_irq,
-        .ack = mask_and_ack_8259A,
+        .mask_ack       = mask_and_ack_8259A,
-        .end = end_8259A_irq,
 };
 /*
@@ -59,8 +49,8 @@ static struct irq_chip i8259A_irq_type = {
 */
 static unsigned int cached_irq_mask = 0xffff;
-#define cached_21       (cached_irq_mask)
+#define cached_master_mask      (cached_irq_mask)
-#define cached_A1       (cached_irq_mask >> 8)
+#define cached_slave_mask       (cached_irq_mask >> 8)
 void disable_8259A_irq(unsigned int irq)
 {
@@ -70,9 +60,9 @@ void disable_8259A_irq(unsigned int irq)
        spin_lock_irqsave(&i8259A_lock, flags);
        cached_irq_mask |= mask;
        if (irq & 8)
-                outb(cached_A1,0xA1);
+                outb(cached_slave_mask, PIC_SLAVE_IMR);
        else
-                outb(cached_21,0x21);
+                outb(cached_master_mask, PIC_MASTER_IMR);
        spin_unlock_irqrestore(&i8259A_lock, flags);
 }
@@ -84,9 +74,9 @@ void enable_8259A_irq(unsigned int irq)
        spin_lock_irqsave(&i8259A_lock, flags);
        cached_irq_mask &= mask;
        if (irq & 8)
-                outb(cached_A1,0xA1);
+                outb(cached_slave_mask, PIC_SLAVE_IMR);
        else
-                outb(cached_21,0x21);
+                outb(cached_master_mask, PIC_MASTER_IMR);
        spin_unlock_irqrestore(&i8259A_lock, flags);
 }
@@ -98,9 +88,9 @@ int i8259A_irq_pending(unsigned int irq)
        spin_lock_irqsave(&i8259A_lock, flags);
        if (irq < 8)
-                ret = inb(0x20) & mask;
+                ret = inb(PIC_MASTER_CMD) & mask;
        else
-                ret = inb(0xA0) & (mask >> 8);
+                ret = inb(PIC_SLAVE_CMD) & (mask >> 8);
        spin_unlock_irqrestore(&i8259A_lock, flags);
        return ret;
@@ -109,7 +99,7 @@ int i8259A_irq_pending(unsigned int irq)
 void make_8259A_irq(unsigned int irq)
 {
        disable_irq_nosync(irq);
-        set_irq_chip(irq, &i8259A_irq_type);
+        set_irq_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
        enable_irq(irq);
 }
@@ -125,14 +115,14 @@ static inline int i8259A_irq_real(unsigned int irq)
        int irqmask = 1 << irq;
        if (irq < 8) {
-                outb(0x0B,0x20);                /* ISR register */
+                outb(0x0B,PIC_MASTER_CMD);      /* ISR register */
-                value = inb(0x20) & irqmask;
+                value = inb(PIC_MASTER_CMD) & irqmask;
-                outb(0x0A,0x20);                /* back to the IRR register */
+                outb(0x0A,PIC_MASTER_CMD);      /* back to the IRR register */
                return value;
        }
-        outb(0x0B,0xA0);                /* ISR register */
+        outb(0x0B,PIC_SLAVE_CMD);       /* ISR register */
-        value = inb(0xA0) & (irqmask >> 8);
+        value = inb(PIC_SLAVE_CMD) & (irqmask >> 8);
-        outb(0x0A,0xA0);                /* back to the IRR register */
+        outb(0x0A,PIC_SLAVE_CMD);       /* back to the IRR register */
        return value;
 }
@@ -149,17 +139,19 @@ void mask_and_ack_8259A(unsigned int irq)
        spin_lock_irqsave(&i8259A_lock, flags);
        /*
-         * Lightweight spurious IRQ detection. We do not want to overdo
+         * Lightweight spurious IRQ detection. We do not want
-         * spurious IRQ handling - it's usually a sign of hardware problems, so
+         * to overdo spurious IRQ handling - it's usually a sign
-         * we only do the checks we can do without slowing down good hardware
+         * of hardware problems, so we only do the checks we can
-         * nnecesserily.
+         * do without slowing down good hardware unnecessarily.
         *
-         * Note that IRQ7 and IRQ15 (the two spurious IRQs usually resulting
+         * Note that IRQ7 and IRQ15 (the two spurious IRQs
-         * rom the 8259A-1|2 PICs) occur even if the IRQ is masked in the 8259A.
+         * usually resulting from the 8259A-1|2 PICs) occur
-         * Thus we can check spurious 8259A IRQs without doing the quite slow
+         * even if the IRQ is masked in the 8259A. Thus we
-         * i8259A_irq_real() call for every IRQ.  This does not cover 100% of
+         * can check spurious 8259A IRQs without doing the
-         * spurious interrupts, but should be enough to warn the user that
+         * quite slow i8259A_irq_real() call for every IRQ.
-         * there is something bad going on ...
+         * This does not cover 100% of spurious interrupts,
+         * but should be enough to warn the user that there
+         * is something bad going on ...
         */
        if (cached_irq_mask & irqmask)
                goto spurious_8259A_irq;
@@ -167,14 +159,14 @@ void mask_and_ack_8259A(unsigned int irq)
 handle_real_irq:
        if (irq & 8) {
-                inb(0xA1);              /* DUMMY - (do we need this?) */
+                inb(PIC_SLAVE_IMR);     /* DUMMY - (do we need this?) */
-                outb(cached_A1,0xA1);
+                outb(cached_slave_mask, PIC_SLAVE_IMR);
-                outb(0x60+(irq&7),0xA0);/* 'Specific EOI' to slave */
+                outb(0x60+(irq&7),PIC_SLAVE_CMD);/* 'Specific EOI' to slave */
-                outb(0x62,0x20);        /* 'Specific EOI' to master-IRQ2 */
+                outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */
        } else {
-                inb(0x21);              /* DUMMY - (do we need this?) */
+                inb(PIC_MASTER_IMR);    /* DUMMY - (do we need this?) */
-                outb(cached_21,0x21);
+                outb(cached_master_mask, PIC_MASTER_IMR);
-                outb(0x60+irq,0x20);    /* 'Specific EOI' to master */
+                outb(0x60+irq,PIC_MASTER_CMD);  /* 'Specific EOI to master */
        }
 #ifdef CONFIG_MIPS_MT_SMTC
        if (irq_hwmask[irq] & ST0_IM)
@@ -195,7 +187,7 @@ spurious_8259A_irq:
                goto handle_real_irq;
        {
-                static int spurious_irq_mask = 0;
+                static int spurious_irq_mask;
                /*
                 * At this point we can be sure the IRQ is spurious,
                 * lets ACK and report it. [once per IRQ]
@@ -216,13 +208,25 @@ spurious_8259A_irq:
 static int i8259A_resume(struct sys_device *dev)
 {
-        init_8259A(0);
+        init_8259A(i8259A_auto_eoi);
+        return 0;
+}
+static int i8259A_shutdown(struct sys_device *dev)
+{
+        /* Put the i8259A into a quiescent state that
+         * the kernel initialization code can get it
+         * out of.
+         */
+        outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
+        outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-1 */
        return 0;
 }
 static struct sysdev_class i8259_sysdev_class = {
        set_kset_name("i8259"),
        .resume = i8259A_resume,
+        .shutdown = i8259A_shutdown,
 };
 static struct sys_device device_i8259A = {
@@ -244,41 +248,41 @@ void __init init_8259A(int auto_eoi)
 {
        unsigned long flags;
+        i8259A_auto_eoi = auto_eoi;
        spin_lock_irqsave(&i8259A_lock, flags);
-        outb(0xff, 0x21);       /* mask all of 8259A-1 */
+        outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
-        outb(0xff, 0xA1);       /* mask all of 8259A-2 */
+        outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-2 */
        /*
         * outb_p - this has to work on a wide range of PC hardware.
         */
-        outb_p(0x11, 0x20);     /* ICW1: select 8259A-1 init */
+        outb_p(0x11, PIC_MASTER_CMD);   /* ICW1: select 8259A-1 init */
-        outb_p(0x00, 0x21);     /* ICW2: 8259A-1 IR0-7 mapped to 0x00-0x07 */
+        outb_p(I8259A_IRQ_BASE + 0, PIC_MASTER_IMR);    /* ICW2: 8259A-1 IR0 mapped to I8259A_IRQ_BASE + 0x00 */
-        outb_p(0x04, 0x21);     /* 8259A-1 (the master) has a slave on IR2 */
+        outb_p(1U << PIC_CASCADE_IR, PIC_MASTER_IMR);   /* 8259A-1 (the master) has a slave on IR2 */
-        if (auto_eoi)
+        if (auto_eoi)   /* master does Auto EOI */
-                outb_p(0x03, 0x21);     /* master does Auto EOI */
+                outb_p(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR);
-        else
+        else            /* master expects normal EOI */
-                outb_p(0x01, 0x21);     /* master expects normal EOI */
+                outb_p(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR);
-        outb_p(0x11, 0xA0);     /* ICW1: select 8259A-2 init */
+        outb_p(0x11, PIC_SLAVE_CMD);    /* ICW1: select 8259A-2 init */
-        outb_p(0x08, 0xA1);     /* ICW2: 8259A-2 IR0-7 mapped to 0x08-0x0f */
+        outb_p(I8259A_IRQ_BASE + 8, PIC_SLAVE_IMR);     /* ICW2: 8259A-2 IR0 mapped to I8259A_IRQ_BASE + 0x08 */
-        outb_p(0x02, 0xA1);     /* 8259A-2 is a slave on master's IR2 */
+        outb_p(PIC_CASCADE_IR, PIC_SLAVE_IMR);  /* 8259A-2 is a slave on master's IR2 */
-        outb_p(0x01, 0xA1);     /* (slave's support for AEOI in flat mode
+        outb_p(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */
-                                    is to be investigated) */
        if (auto_eoi)
                /*
-                 * in AEOI mode we just have to mask the interrupt
+                 * In AEOI mode we just have to mask the interrupt
                 * when acking.
                 */
-                i8259A_irq_type.ack = disable_8259A_irq;
+                i8259A_chip.mask_ack = disable_8259A_irq;
        else
-                i8259A_irq_type.ack = mask_and_ack_8259A;
+                i8259A_chip.mask_ack = mask_and_ack_8259A;
        udelay(100);            /* wait for 8259A to initialize */
-        outb(cached_21, 0x21);  /* restore master IRQ mask */
+        outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
-        outb(cached_A1, 0xA1);  /* restore slave IRQ mask */
+        outb(cached_slave_mask, PIC_SLAVE_IMR);   /* restore slave IRQ mask */
        spin_unlock_irqrestore(&i8259A_lock, flags);
 }
@@ -291,11 +295,17 @@ static struct irqaction irq2 = {
 };
 static struct resource pic1_io_resource = {
-        .name = "pic1", .start = 0x20, .end = 0x21, .flags = IORESOURCE_BUSY
+        .name = "pic1",
+        .start = PIC_MASTER_CMD,
+        .end = PIC_MASTER_IMR,
+        .flags = IORESOURCE_BUSY
 };
 static struct resource pic2_io_resource = {
-        .name = "pic2", .start = 0xa0, .end = 0xa1, .flags = IORESOURCE_BUSY
+        .name = "pic2",
+        .start = PIC_SLAVE_CMD,
+        .end = PIC_SLAVE_IMR,
+        .flags = IORESOURCE_BUSY
 };
 /*
@@ -313,7 +323,7 @@ void __init init_i8259_irqs (void)
        init_8259A(0);
        for (i = 0; i < 16; i++)
-                set_irq_chip(i, &i8259A_irq_type);
+                set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq);
-        setup_irq(2, &irq2);
+        setup_irq(PIC_CASCADE_IR, &irq2);
 }
diff --git a/arch/mips/kernel/irq-mv6434x.c b/arch/mips/kernel/irq-mv6434x.c
index 6cfb31cafde2..efbd219845b5 100644
--- a/arch/mips/kernel/irq-mv6434x.c
+++ b/arch/mips/kernel/irq-mv6434x.c
@@ -67,15 +67,6 @@ static inline void unmask_mv64340_irq(unsigned int irq)
 }
 /*
- * End IRQ processing
- */
-static void end_mv64340_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                unmask_mv64340_irq(irq);
-}
-/*
 * Interrupt handler for interrupts coming from the Marvell chip.
 * It could be built in ethernet ports etc...
 */
@@ -106,7 +97,6 @@ struct irq_chip mv64340_irq_type = {
        .mask = mask_mv64340_irq,
        .mask_ack = mask_mv64340_irq,
        .unmask = unmask_mv64340_irq,
-        .end = end_mv64340_irq,
 };
 void __init mv64340_irq_init(unsigned int base)
diff --git a/arch/mips/kernel/irq-rm7000.c b/arch/mips/kernel/irq-rm7000.c
index ddcc2a5f8a06..123324ba8c14 100644
--- a/arch/mips/kernel/irq-rm7000.c
+++ b/arch/mips/kernel/irq-rm7000.c
@@ -29,19 +29,12 @@ static inline void mask_rm7k_irq(unsigned int irq)
        clear_c0_intcontrol(0x100 << (irq - irq_base));
 }
-static void rm7k_cpu_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_rm7k_irq(irq);
-}
 static struct irq_chip rm7k_irq_controller = {
        .typename = "RM7000",
        .ack = mask_rm7k_irq,
        .mask = mask_rm7k_irq,
        .mask_ack = mask_rm7k_irq,
        .unmask = unmask_rm7k_irq,
-        .end = rm7k_cpu_irq_end,
 };
 void __init rm7k_cpu_irq_init(int base)
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index ba6440c88abd..0e6f4c5349d2 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -80,19 +80,12 @@ static void rm9k_perfcounter_irq_shutdown(unsigned int irq)
        on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1);
 }
-static void rm9k_cpu_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_rm9k_irq(irq);
-}
 static struct irq_chip rm9k_irq_controller = {
        .typename = "RM9000",
        .ack = mask_rm9k_irq,
        .mask = mask_rm9k_irq,
        .mask_ack = mask_rm9k_irq,
        .unmask = unmask_rm9k_irq,
-        .end = rm9k_cpu_irq_end,
 };
 static struct irq_chip rm9k_perfcounter_irq = {
@@ -103,7 +96,6 @@ static struct irq_chip rm9k_perfcounter_irq = {
        .mask = mask_rm9k_irq,
        .mask_ack = mask_rm9k_irq,
        .unmask = unmask_rm9k_irq,
-        .end = rm9k_cpu_irq_end,
 };
 unsigned int rm9000_perfcount_irq;
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index b339798b3172..2fe4c868a801 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -117,7 +117,7 @@ int show_interrupts(struct seq_file *p, void *v)
                for_each_online_cpu(j)
                        seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
-                seq_printf(p, " %14s", irq_desc[i].chip->typename);
+                seq_printf(p, " %14s", irq_desc[i].chip->name);
                seq_printf(p, "  %s", action->name);
                for (action=action->next; action; action = action->next)
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index be5ac23d3812..fcc86b96ccf6 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -50,12 +50,6 @@ static inline void mask_mips_irq(unsigned int irq)
        irq_disable_hazard();
 }
-static void mips_cpu_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_mips_irq(irq);
-}
 static struct irq_chip mips_cpu_irq_controller = {
        .typename       = "MIPS",
        .ack            = mask_mips_irq,
@@ -63,7 +57,6 @@ static struct irq_chip mips_cpu_irq_controller = {
        .mask_ack       = mask_mips_irq,
        .unmask         = unmask_mips_irq,
        .eoi            = unmask_mips_irq,
-        .end            = mips_cpu_irq_end,
 };
 /*
@@ -96,8 +89,6 @@ static void mips_mt_cpu_irq_ack(unsigned int irq)
        mask_mips_mt_irq(irq);
 }
-#define mips_mt_cpu_irq_end mips_cpu_irq_end
 static struct irq_chip mips_mt_cpu_irq_controller = {
        .typename       = "MIPS",
        .startup        = mips_mt_cpu_irq_startup,
@@ -106,7 +97,6 @@ static struct irq_chip mips_mt_cpu_irq_controller = {
        .mask_ack       = mips_mt_cpu_irq_ack,
        .unmask         = unmask_mips_mt_irq,
        .eoi            = unmask_mips_mt_irq,
-        .end            = mips_mt_cpu_irq_end,
 };
 void __init mips_cpu_irq_init(int irq_base)
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index f06a144c7881..2c82412b9efe 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -319,7 +319,7 @@ static void sp_cleanup(void)
 static int channel_open = 0;
 /* the work handler */
-static void sp_work(void *data)
+static void sp_work(struct work_struct *unused)
 {
        if (!channel_open) {
                if( rtlx_open(RTLX_CHANNEL_SYSIO, 1) != 0) {
@@ -354,7 +354,7 @@ static void startwork(int vpe)
                        return;
                }
-                INIT_WORK(&work, sp_work, NULL);
+                INIT_WORK(&work, sp_work);
                queue_work(workqueue, &work);
        } else
                queue_work(workqueue, &work);
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index 4a84a7beac53..2affa5ff171c 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/arch/mips/lasat/interrupt.c
@@ -44,19 +44,12 @@ void enable_lasat_irq(unsigned int irq_nr)
        *lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
 }
-static void end_lasat_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_lasat_irq(irq);
-}
 static struct irq_chip lasat_irq_type = {
        .typename = "Lasat",
        .ack = disable_lasat_irq,
        .mask = disable_lasat_irq,
        .mask_ack = disable_lasat_irq,
        .unmask = enable_lasat_irq,
-        .end = end_lasat_irq,
 };
 static inline int ls1bit32(unsigned int x)
diff --git a/arch/mips/momentum/ocelot_c/cpci-irq.c b/arch/mips/momentum/ocelot_c/cpci-irq.c
index e5a4a0a8a7f0..bb11fef08472 100644
--- a/arch/mips/momentum/ocelot_c/cpci-irq.c
+++ b/arch/mips/momentum/ocelot_c/cpci-irq.c
@@ -66,15 +66,6 @@ static inline void unmask_cpci_irq(unsigned int irq)
 }
 /*
- * End IRQ processing
- */
-static void end_cpci_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                unmask_cpci_irq(irq);
-}
-/*
 * Interrupt handler for interrupts coming from the FPGA chip.
 * It could be built in ethernet ports etc...
 */
@@ -98,7 +89,6 @@ struct irq_chip cpci_irq_type = {
        .mask = mask_cpci_irq,
        .mask_ack = mask_cpci_irq,
        .unmask = unmask_cpci_irq,
-        .end = end_cpci_irq,
 };
 void cpci_irq_init(void)
diff --git a/arch/mips/momentum/ocelot_c/uart-irq.c b/arch/mips/momentum/ocelot_c/uart-irq.c
index 0029f0008dea..a7a80c0da569 100644
--- a/arch/mips/momentum/ocelot_c/uart-irq.c
+++ b/arch/mips/momentum/ocelot_c/uart-irq.c
@@ -60,15 +60,6 @@ static inline void unmask_uart_irq(unsigned int irq)
 }
 /*
- * End IRQ processing
- */
-static void end_uart_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                unmask_uart_irq(irq);
-}
-/*
 * Interrupt handler for interrupts coming from the FPGA chip.
 */
 void ll_uart_irq(void)
@@ -91,7 +82,6 @@ struct irq_chip uart_irq_type = {
        .mask = mask_uart_irq,
        .mask_ack = mask_uart_irq,
        .unmask = unmask_uart_irq,
-        .end = end_uart_irq,
 };
 void uart_irq_init(void)
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c
index 0dc23930edbd..2c36c108c4d6 100644
--- a/arch/mips/philips/pnx8550/common/int.c
+++ b/arch/mips/philips/pnx8550/common/int.c
@@ -158,20 +158,12 @@ int pnx8550_set_gic_priority(int irq, int priority)
        return prev_priority;
 }
-static void end_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
-                unmask_irq(irq);
-        }
-}
 static struct irq_chip level_irq_type = {
        .typename =     "PNX Level IRQ",
        .ack =          mask_irq,
        .mask =         mask_irq,
        .mask_ack =     mask_irq,
        .unmask =       unmask_irq,
-        .end =          end_irq,
 };
 static struct irqaction gic_action = {
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index c7b138053159..c44f8be0644f 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -51,19 +51,12 @@ static void disable_local0_irq(unsigned int irq)
        sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0));
 }
-static void end_local0_irq (unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_local0_irq(irq);
-}
 static struct irq_chip ip22_local0_irq_type = {
        .typename       = "IP22 local 0",
        .ack            = disable_local0_irq,
        .mask           = disable_local0_irq,
        .mask_ack       = disable_local0_irq,
        .unmask         = enable_local0_irq,
-        .end            = end_local0_irq,
 };
 static void enable_local1_irq(unsigned int irq)
@@ -79,19 +72,12 @@ void disable_local1_irq(unsigned int irq)
        sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
 }
-static void end_local1_irq (unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_local1_irq(irq);
-}
 static struct irq_chip ip22_local1_irq_type = {
        .typename       = "IP22 local 1",
        .ack            = disable_local1_irq,
        .mask           = disable_local1_irq,
        .mask_ack       = disable_local1_irq,
        .unmask         = enable_local1_irq,
-        .end            = end_local1_irq,
 };
 static void enable_local2_irq(unsigned int irq)
@@ -107,19 +93,12 @@ void disable_local2_irq(unsigned int irq)
                sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
 }
-static void end_local2_irq (unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_local2_irq(irq);
-}
 static struct irq_chip ip22_local2_irq_type = {
        .typename       = "IP22 local 2",
        .ack            = disable_local2_irq,
        .mask           = disable_local2_irq,
        .mask_ack       = disable_local2_irq,
        .unmask         = enable_local2_irq,
-        .end            = end_local2_irq,
 };
 static void enable_local3_irq(unsigned int irq)
@@ -135,19 +114,12 @@ void disable_local3_irq(unsigned int irq)
                sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
 }
-static void end_local3_irq (unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_local3_irq(irq);
-}
 static struct irq_chip ip22_local3_irq_type = {
        .typename       = "IP22 local 3",
        .ack            = disable_local3_irq,
        .mask           = disable_local3_irq,
        .mask_ack       = disable_local3_irq,
        .unmask         = enable_local3_irq,
-        .end            = end_local3_irq,
 };
 static void indy_local0_irqdispatch(void)
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 5f8835b4e84a..319f8803ef6f 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -332,13 +332,6 @@ static inline void disable_bridge_irq(unsigned int irq)
        intr_disconnect_level(cpu, swlevel);
 }
-static void end_bridge_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
-            irq_desc[irq].action)
-                enable_bridge_irq(irq);
-}
 static struct irq_chip bridge_irq_type = {
        .typename       = "bridge",
        .startup        = startup_bridge_irq,
@@ -347,7 +340,6 @@ static struct irq_chip bridge_irq_type = {
        .mask           = disable_bridge_irq,
        .mask_ack       = disable_bridge_irq,
        .unmask         = enable_bridge_irq,
-        .end            = end_bridge_irq,
 };
 void __devinit register_bridge_irq(unsigned int irq)
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 7d361726bbfb..c20e9899b34b 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -180,10 +180,6 @@ static void disable_rt_irq(unsigned int irq)
 {
 }
-static void end_rt_irq(unsigned int irq)
-{
-}
 static struct irq_chip rt_irq_type = {
        .typename       = "SN HUB RT timer",
        .ack            = disable_rt_irq,
@@ -191,7 +187,6 @@ static struct irq_chip rt_irq_type = {
        .mask_ack       = disable_rt_irq,
        .unmask         = enable_rt_irq,
        .eoi            = enable_rt_irq,
-        .end            = end_rt_irq,
 };
 static struct irqaction rt_irqaction = {
diff --git a/arch/mips/tx4927/common/tx4927_irq.c b/arch/mips/tx4927/common/tx4927_irq.c
index 21873de49aa8..ed4a19adf361 100644
--- a/arch/mips/tx4927/common/tx4927_irq.c
+++ b/arch/mips/tx4927/common/tx4927_irq.c
@@ -66,12 +66,10 @@
 #define TX4927_IRQ_CP0_INIT     ( 1 << 10 )
 #define TX4927_IRQ_CP0_ENABLE   ( 1 << 13 )
 #define TX4927_IRQ_CP0_DISABLE  ( 1 << 14 )
-#define TX4927_IRQ_CP0_ENDIRQ   ( 1 << 16 )
 #define TX4927_IRQ_PIC_INIT     ( 1 << 20 )
 #define TX4927_IRQ_PIC_ENABLE   ( 1 << 23 )
 #define TX4927_IRQ_PIC_DISABLE  ( 1 << 24 )
-#define TX4927_IRQ_PIC_ENDIRQ   ( 1 << 26 )
 #define TX4927_IRQ_ALL         0xffffffff
 #endif
@@ -82,12 +80,10 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE
                                          | TX4927_IRQ_WARN | TX4927_IRQ_EROR
 //                                       | TX4927_IRQ_CP0_INIT
 //                                       | TX4927_IRQ_CP0_ENABLE
-//                                       | TX4927_IRQ_CP0_DISABLE
 //                                       | TX4927_IRQ_CP0_ENDIRQ
 //                                       | TX4927_IRQ_PIC_INIT
 //                                       | TX4927_IRQ_PIC_ENABLE
 //                                       | TX4927_IRQ_PIC_DISABLE
-//                                       | TX4927_IRQ_PIC_ENDIRQ
 //                                       | TX4927_IRQ_INIT
 //                                       | TX4927_IRQ_NEST1
 //                                       | TX4927_IRQ_NEST2
@@ -114,11 +110,9 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE
 static void tx4927_irq_cp0_enable(unsigned int irq);
 static void tx4927_irq_cp0_disable(unsigned int irq);
-static void tx4927_irq_cp0_end(unsigned int irq);
 static void tx4927_irq_pic_enable(unsigned int irq);
 static void tx4927_irq_pic_disable(unsigned int irq);
-static void tx4927_irq_pic_end(unsigned int irq);
 /*
 * Kernel structs for all pic's
@@ -131,7 +125,6 @@ static struct irq_chip tx4927_irq_cp0_type = {
        .mask           = tx4927_irq_cp0_disable,
        .mask_ack       = tx4927_irq_cp0_disable,
        .unmask         = tx4927_irq_cp0_enable,
-        .end            = tx4927_irq_cp0_end,
 };
 #define TX4927_PIC_NAME "TX4927-PIC"
@@ -141,7 +134,6 @@ static struct irq_chip tx4927_irq_pic_type = {
        .mask           = tx4927_irq_pic_disable,
        .mask_ack       = tx4927_irq_pic_disable,
        .unmask         = tx4927_irq_pic_enable,
-        .end            = tx4927_irq_pic_end,
 };
 #define TX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL }
@@ -214,15 +206,6 @@ static void tx4927_irq_cp0_disable(unsigned int irq)
        tx4927_irq_cp0_modify(CCP0_STATUS, tx4927_irq_cp0_mask(irq), 0);
 }
-static void tx4927_irq_cp0_end(unsigned int irq)
-{
-        TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_ENDIRQ, "irq=%d \n", irq);
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                tx4927_irq_cp0_enable(irq);
-        }
-}
 /*
 * Functions for pic
 */
@@ -376,15 +359,6 @@ static void tx4927_irq_pic_disable(unsigned int irq)
                              tx4927_irq_pic_mask(irq), 0);
 }
-static void tx4927_irq_pic_end(unsigned int irq)
-{
-        TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_ENDIRQ, "irq=%d\n", irq);
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                tx4927_irq_pic_enable(irq);
-        }
-}
 /*
 * Main init functions
 */
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
index 34cdb2a240e9..5a5ea6c0b9f6 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
@@ -153,7 +153,6 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB
 #define TOSHIBA_RBTX4927_IRQ_IOC_INIT      ( 1 << 10 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE    ( 1 << 13 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE   ( 1 << 14 )
-#define TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ    ( 1 << 16 )
 #define TOSHIBA_RBTX4927_IRQ_ISA_INIT      ( 1 << 20 )
 #define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE    ( 1 << 23 )
@@ -172,7 +171,6 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_INIT
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE
-//                                                 | TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_INIT
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE
@@ -223,7 +221,6 @@ extern void mask_and_ack_8259A(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
-static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq);
 #ifdef CONFIG_TOSHIBA_FPCIB0
 static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq);
@@ -239,7 +236,6 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
        .mask = toshiba_rbtx4927_irq_ioc_disable,
        .mask_ack = toshiba_rbtx4927_irq_ioc_disable,
        .unmask = toshiba_rbtx4927_irq_ioc_enable,
-        .end = toshiba_rbtx4927_irq_ioc_end,
 };
 #define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000
 #define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006
@@ -388,23 +384,6 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
        TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
 }
-static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq)
-{
-        TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ,
-                                     "irq=%d\n", irq);
-        if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG
-            || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) {
-                TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-                                             "bad irq=%d\n", irq);
-                panic("\n");
-        }
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                toshiba_rbtx4927_irq_ioc_enable(irq);
-        }
-}
 /**********************************************************************************/
 /* Functions for isa                                                              */
diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c
index 42e127683ae9..a347b424d91c 100644
--- a/arch/mips/tx4938/common/irq.c
+++ b/arch/mips/tx4938/common/irq.c
@@ -39,11 +39,9 @@
 static void tx4938_irq_cp0_enable(unsigned int irq);
 static void tx4938_irq_cp0_disable(unsigned int irq);
-static void tx4938_irq_cp0_end(unsigned int irq);
 static void tx4938_irq_pic_enable(unsigned int irq);
 static void tx4938_irq_pic_disable(unsigned int irq);
-static void tx4938_irq_pic_end(unsigned int irq);
 /**********************************************************************************/
 /* Kernel structs for all pic's                                                   */
@@ -56,7 +54,6 @@ static struct irq_chip tx4938_irq_cp0_type = {
        .mask = tx4938_irq_cp0_disable,
        .mask_ack = tx4938_irq_cp0_disable,
        .unmask = tx4938_irq_cp0_enable,
-        .end = tx4938_irq_cp0_end,
 };
 #define TX4938_PIC_NAME "TX4938-PIC"
@@ -66,7 +63,6 @@ static struct irq_chip tx4938_irq_pic_type = {
        .mask = tx4938_irq_pic_disable,
        .mask_ack = tx4938_irq_pic_disable,
        .unmask = tx4938_irq_pic_enable,
-        .end = tx4938_irq_pic_end,
 };
 static struct irqaction tx4938_irq_pic_action = {
@@ -104,14 +100,6 @@ tx4938_irq_cp0_disable(unsigned int irq)
        clear_c0_status(tx4938_irq_cp0_mask(irq));
 }
-static void
-tx4938_irq_cp0_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                tx4938_irq_cp0_enable(irq);
-        }
-}
 /**********************************************************************************/
 /* Functions for pic                                                              */
 /**********************************************************************************/
@@ -269,14 +257,6 @@ tx4938_irq_pic_disable(unsigned int irq)
                              tx4938_irq_pic_mask(irq), 0);
 }
-static void
-tx4938_irq_pic_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                tx4938_irq_pic_enable(irq);
-        }
-}
 /**********************************************************************************/
 /* Main init functions                                                            */
 /**********************************************************************************/
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index 8c87a35f3068..b6f363d08011 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -89,7 +89,6 @@ IRQ  Device
 static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
 static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq);
-static void toshiba_rbtx4938_irq_ioc_end(unsigned int irq);
 #define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
 static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
@@ -98,7 +97,6 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
        .mask = toshiba_rbtx4938_irq_ioc_disable,
        .mask_ack = toshiba_rbtx4938_irq_ioc_disable,
        .unmask = toshiba_rbtx4938_irq_ioc_enable,
-        .end = toshiba_rbtx4938_irq_ioc_end,
 };
 #define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
@@ -167,14 +165,6 @@ toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
        TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
 }
-static void
-toshiba_rbtx4938_irq_ioc_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-                toshiba_rbtx4938_irq_ioc_enable(irq);
-        }
-}
 extern void __init txx9_spi_irqinit(int irc_irq);
 void __init arch_init_irq(void)
diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig
index 92f41f6f934a..c8dfd8092cab 100644
--- a/arch/mips/vr41xx/Kconfig
+++ b/arch/mips/vr41xx/Kconfig
@@ -6,6 +6,7 @@ config CASIO_E55
        select ISA
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config IBM_WORKPAD
        bool "Support for IBM WorkPad z50"
@@ -15,6 +16,7 @@ config IBM_WORKPAD
        select ISA
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config NEC_CMBVR4133
        bool "Support for NEC CMB-VR4133"
@@ -39,6 +41,7 @@ config TANBAC_TB022X
        select IRQ_CPU
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          The TANBAC VR4131 multichip module(TB0225) and
          the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
@@ -71,6 +74,7 @@ config VICTOR_MPC30X
        select IRQ_CPU
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config ZAO_CAPCELLA
        bool "Support for ZAO Networks Capcella"
@@ -80,6 +84,7 @@ config ZAO_CAPCELLA
        select IRQ_CPU
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
+        select GENERIC_HARDIRQS_NO__DO_IRQ
 config PCI_VR41XX
        bool "Add PCI control unit support of NEC VR4100 series"
diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 54b92a74c7ac..c075261976c5 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -427,19 +427,12 @@ static void enable_sysint1_irq(unsigned int irq)
        icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
 }
-static void end_sysint1_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
-}
 static struct irq_chip sysint1_irq_type = {
        .typename       = "SYSINT1",
        .ack            = disable_sysint1_irq,
        .mask           = disable_sysint1_irq,
        .mask_ack       = disable_sysint1_irq,
        .unmask         = enable_sysint1_irq,
-        .end            = end_sysint1_irq,
 };
 static void disable_sysint2_irq(unsigned int irq)
@@ -452,19 +445,12 @@ static void enable_sysint2_irq(unsigned int irq)
        icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
 }
-static void end_sysint2_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
-}
 static struct irq_chip sysint2_irq_type = {
        .typename       = "SYSINT2",
        .ack            = disable_sysint2_irq,
        .mask           = disable_sysint2_irq,
        .mask_ack       = disable_sysint2_irq,
        .unmask         = enable_sysint2_irq,
-        .end            = end_sysint2_irq,
 };
 static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
diff --git a/arch/powerpc/platforms/embedded6xx/ls_uart.c b/arch/powerpc/platforms/embedded6xx/ls_uart.c
index 31bcdae84823..0e837762cc5b 100644
--- a/arch/powerpc/platforms/embedded6xx/ls_uart.c
+++ b/arch/powerpc/platforms/embedded6xx/ls_uart.c
@@ -14,7 +14,7 @@ static unsigned long avr_clock;
 static struct work_struct wd_work;
-static void wd_stop(void *unused)
+static void wd_stop(struct work_struct *unused)
 {
        const char string[] = "AAAAFFFFJJJJ>>>>VVVV>>>>ZZZZVVVVKKKK";
        int i = 0, rescue = 8;
@@ -122,7 +122,7 @@ static int __init ls_uarts_init(void)
        ls_uart_init();
-        INIT_WORK(&wd_work, wd_stop, NULL);
+        INIT_WORK(&wd_work, wd_stop);
        schedule_work(&wd_work);
        return 0;
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index afa593a8544a..c3a89414ddc0 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -18,11 +18,11 @@
 #define OLD_BACKLIGHT_MAX 15
-static void pmac_backlight_key_worker(void *data);
+static void pmac_backlight_key_worker(struct work_struct *work);
-static void pmac_backlight_set_legacy_worker(void *data);
+static void pmac_backlight_set_legacy_worker(struct work_struct *work);
-static DECLARE_WORK(pmac_backlight_key_work, pmac_backlight_key_worker, NULL);
+static DECLARE_WORK(pmac_backlight_key_work, pmac_backlight_key_worker);
-static DECLARE_WORK(pmac_backlight_set_legacy_work, pmac_backlight_set_legacy_worker, NULL);
+static DECLARE_WORK(pmac_backlight_set_legacy_work, pmac_backlight_set_legacy_worker);
 /* Although these variables are used in interrupt context, it makes no sense to
 * protect them. No user is able to produce enough key events per second and
@@ -94,7 +94,7 @@ int pmac_backlight_curve_lookup(struct fb_info *info, int value)
        return level;
 }
-static void pmac_backlight_key_worker(void *data)
+static void pmac_backlight_key_worker(struct work_struct *work)
 {
        if (atomic_read(&kernel_backlight_disabled))
                return;
@@ -166,7 +166,7 @@ static int __pmac_backlight_set_legacy_brightness(int brightness)
        return error;
 }
-static void pmac_backlight_set_legacy_worker(void *data)
+static void pmac_backlight_set_legacy_worker(struct work_struct *work)
 {
        if (atomic_read(&kernel_backlight_disabled))
                return;
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c
index 137077451316..49037edf7d39 100644
--- a/arch/powerpc/platforms/pseries/eeh_event.c
+++ b/arch/powerpc/platforms/pseries/eeh_event.c
@@ -37,8 +37,8 @@
 /* EEH event workqueue setup. */
 static DEFINE_SPINLOCK(eeh_eventlist_lock);
 LIST_HEAD(eeh_eventlist);
-static void eeh_thread_launcher(void *);
+static void eeh_thread_launcher(struct work_struct *);
-DECLARE_WORK(eeh_event_wq, eeh_thread_launcher, NULL);
+DECLARE_WORK(eeh_event_wq, eeh_thread_launcher);
 /* Serialize reset sequences for a given pci device */
 DEFINE_MUTEX(eeh_event_mutex);
@@ -103,7 +103,7 @@ static int eeh_event_handler(void * dummy)
 * eeh_thread_launcher
 * @dummy - unused
 */
-static void eeh_thread_launcher(void *dummy)
+static void eeh_thread_launcher(struct work_struct *dummy)
 {
        if (kernel_thread(eeh_event_handler, NULL, CLONE_KERNEL) < 0)
                printk(KERN_ERR "Failed to start EEH daemon\n");
diff --git a/arch/ppc/8260_io/fcc_enet.c b/arch/ppc/8260_io/fcc_enet.c
index 2e1943e27819..709952c25f29 100644
--- a/arch/ppc/8260_io/fcc_enet.c
+++ b/arch/ppc/8260_io/fcc_enet.c
@@ -385,6 +385,7 @@ struct fcc_enet_private {
        phy_info_t      *phy;
        struct work_struct phy_relink;
        struct work_struct phy_display_config;
+        struct net_device *dev;
        uint    sequence_done;
@@ -1391,10 +1392,11 @@ static phy_info_t *phy_info[] = {
        NULL
 };
-static void mii_display_status(void *data)
+static void mii_display_status(struct work_struct *work)
 {
-        struct net_device *dev = data;
+        volatile struct fcc_enet_private *fep =
-        volatile struct fcc_enet_private *fep = dev->priv;
+                container_of(work, struct fcc_enet_private, phy_relink);
+        struct net_device *dev = fep->dev;
        uint s = fep->phy_status;
        if (!fep->link && !fep->old_link) {
@@ -1428,10 +1430,12 @@ static void mii_display_status(void *data)
        printk(".\n");
 }
-static void mii_display_config(void *data)
+static void mii_display_config(struct work_struct *work)
 {
-        struct net_device *dev = data;
+        volatile struct fcc_enet_private *fep =
-        volatile struct fcc_enet_private *fep = dev->priv;
+                container_of(work, struct fcc_enet_private,
+                             phy_display_config);
+        struct net_device *dev = fep->dev;
        uint s = fep->phy_status;
        printk("%s: config: auto-negotiation ", dev->name);
@@ -1758,8 +1762,9 @@ static int __init fec_enet_init(void)
                cep->phy_id_done = 0;
                cep->phy_addr = fip->fc_phyaddr;
                mii_queue(dev, mk_mii_read(MII_PHYSID1), mii_discover_phy);
-                INIT_WORK(&cep->phy_relink, mii_display_status, dev);
+                INIT_WORK(&cep->phy_relink, mii_display_status);
-                INIT_WORK(&cep->phy_display_config, mii_display_config, dev);
+                INIT_WORK(&cep->phy_display_config, mii_display_config);
+                cep->dev = dev;
 #endif  /* CONFIG_USE_MDIO */
                fip++;
diff --git a/arch/ppc/8xx_io/fec.c b/arch/ppc/8xx_io/fec.c
index 2f9fa9e3d331..e6c28fb423b2 100644
--- a/arch/ppc/8xx_io/fec.c
+++ b/arch/ppc/8xx_io/fec.c
@@ -173,6 +173,7 @@ struct fec_enet_private {
        uint    phy_speed;
        phy_info_t      *phy;
        struct work_struct phy_task;
+        struct net_device *dev;
        uint    sequence_done;
@@ -1263,10 +1264,11 @@ static void mii_display_status(struct net_device *dev)
        printk(".\n");
 }
-static void mii_display_config(void *priv)
+static void mii_display_config(struct work_struct *work)
 {
-        struct net_device *dev = (struct net_device *)priv;
+        struct fec_enet_private *fep =
-        struct fec_enet_private *fep = dev->priv;
+                container_of(work, struct fec_enet_private, phy_task);
+        struct net_device *dev = fep->dev;
        volatile uint *s = &(fep->phy_status);
        printk("%s: config: auto-negotiation ", dev->name);
@@ -1295,10 +1297,11 @@ static void mii_display_config(void *priv)
        fep->sequence_done = 1;
 }
-static void mii_relink(void *priv)
+static void mii_relink(struct work_struct *work)
 {
-        struct net_device *dev = (struct net_device *)priv;
+        struct fec_enet_private *fep =
-        struct fec_enet_private *fep = dev->priv;
+                container_of(work, struct fec_enet_private, phy_task);
+        struct net_device *dev = fep->dev;
        int duplex;
        fep->link = (fep->phy_status & PHY_STAT_LINK) ? 1 : 0;
@@ -1325,7 +1328,8 @@ static void mii_queue_relink(uint mii_reg, struct net_device *dev)
 {
        struct fec_enet_private *fep = dev->priv;
-        INIT_WORK(&fep->phy_task, mii_relink, (void *)dev);
+        fep->dev = dev;
+        INIT_WORK(&fep->phy_task, mii_relink);
        schedule_work(&fep->phy_task);
 }
@@ -1333,7 +1337,8 @@ static void mii_queue_config(uint mii_reg, struct net_device *dev)
 {
        struct fec_enet_private *fep = dev->priv;
-        INIT_WORK(&fep->phy_task, mii_display_config, (void *)dev);
+        fep->dev = dev;
+        INIT_WORK(&fep->phy_task, mii_display_config);
        schedule_work(&fep->phy_task);
 }
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index af1e8fc7d985..67d5cf9cba83 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -92,8 +92,8 @@ static int appldata_timer_active;
 * Work queue
 */
 static struct workqueue_struct *appldata_wq;
-static void appldata_work_fn(void *data);
+static void appldata_work_fn(struct work_struct *work);
-static DECLARE_WORK(appldata_work, appldata_work_fn, NULL);
+static DECLARE_WORK(appldata_work, appldata_work_fn);
 /*
@@ -125,7 +125,7 @@ static void appldata_timer_function(unsigned long data)
 *
 * call data gathering function for each (active) module
 */
-static void appldata_work_fn(void *data)
+static void appldata_work_fn(struct work_struct *work)
 {
        struct list_head *lh;
        struct appldata_ops *ops;
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index bffc7e176970..d83d64af31f2 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -51,6 +51,14 @@ config GENERIC_TIME
 config ARCH_MAY_HAVE_PC_FDC
        bool
+config STACKTRACE_SUPPORT
+        bool
+        default y
+config LOCKDEP_SUPPORT
+        bool
+        default y
 source "init/Kconfig"
 menu "System type"
@@ -219,6 +227,20 @@ config SH_SHMIN
        help
          Select SHMIN if configuring for the SHMIN board.
+config SH_7206_SOLUTION_ENGINE
+        bool "SolutionEngine7206"
+        select CPU_SUBTYPE_SH7206
+        help
+          Select 7206 SolutionEngine if configuring for a Hitachi SH7206
+          evaluation board.
+config SH_7619_SOLUTION_ENGINE
+        bool "SolutionEngine7619"
+        select CPU_SUBTYPE_SH7619
+        help
+          Select 7619 SolutionEngine if configuring for a Hitachi SH7619
+          evaluation board.
 config SH_UNKNOWN
        bool "BareCPU"
        help
@@ -280,12 +302,20 @@ config CF_BASE_ADDR
 menu "Processor features"
-config CPU_LITTLE_ENDIAN
+choice
-        bool "Little Endian"
+        prompt "Endianess selection" 
+        default CPU_LITTLE_ENDIAN
        help
          Some SuperH machines can be configured for either little or big
-          endian byte order. These modes require different kernels. Say Y if
+          endian byte order. These modes require different kernels.
-          your machine is little endian, N if it's a big endian machine.
+config CPU_LITTLE_ENDIAN
+        bool "Little Endian"
+config CPU_BIG_ENDIAN
+        bool "Big Endian"
+endchoice
 config SH_FPU
        bool "FPU support"
@@ -345,6 +375,9 @@ config CPU_HAS_MASKREG_IRQ
 config CPU_HAS_INTC2_IRQ
        bool
+config CPU_HAS_IPR_IRQ
+        bool
 config CPU_HAS_SR_RB
        bool "CPU has SR.RB"
        depends on CPU_SH3 || CPU_SH4
@@ -357,6 +390,9 @@ config CPU_HAS_SR_RB
          See <file:Documentation/sh/register-banks.txt> for further
          information on SR.RB and register banking in the kernel in general.
+config CPU_HAS_PTEA
+        bool
 endmenu
 menu "Timer support"
@@ -364,10 +400,25 @@ depends on !GENERIC_TIME
 config SH_TMU
        bool "TMU timer support"
+        depends on CPU_SH3 || CPU_SH4
        default y
        help
          This enables the use of the TMU as the system timer.
+config SH_CMT
+        bool "CMT timer support"
+        depends on CPU_SH2
+        default y
+        help
+          This enables the use of the CMT as the system timer.
+config SH_MTU2
+        bool "MTU2 timer support"
+        depends on CPU_SH2A
+        default n
+        help
+          This enables the use of the MTU2 as the system timer.
 endmenu
 source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
@@ -376,19 +427,52 @@ source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
 source "arch/sh/boards/renesas/r7780rp/Kconfig"
+config SH_TIMER_IRQ
+        int
+        default "28" if CPU_SUBTYPE_SH7780
+        default "86" if CPU_SUBTYPE_SH7619
+        default "140" if CPU_SUBTYPE_SH7206
+        default "16"
+config NO_IDLE_HZ
+        bool "Dynamic tick timer"
+        help
+          Select this option if you want to disable continuous timer ticks
+          and have them programmed to occur as required. This option saves
+          power as the system can remain in idle state for longer.
+          By default dynamic tick is disabled during the boot, and can be
+          manually enabled with:
+            echo 1 > /sys/devices/system/timer/timer0/dyn_tick
+          Alternatively, if you want dynamic tick automatically enabled
+          during boot, pass "dyntick=enable" via the kernel command string.
+          Please note that dynamic tick may affect the accuracy of
+          timekeeping on some platforms depending on the implementation.
 config SH_PCLK_FREQ
        int "Peripheral clock frequency (in Hz)"
+        default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343
+        default "31250000" if CPU_SUBTYPE_SH7619
+        default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
+                              CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
+                              CPU_SUBTYPE_SH7206
        default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780
        default "60000000" if CPU_SUBTYPE_SH7751
-        default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
-                              CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705
-        default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343
        default "66000000" if CPU_SUBTYPE_SH4_202
        help
          This option is used to specify the peripheral clock frequency.
          This is necessary for determining the reference clock value on
          platforms lacking an RTC.
+config SH_CLK_MD
+        int "CPU Mode Pin Setting"
+        depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
+        help
+          MD2 - MD0 Setting.
 menu "CPU Frequency scaling"
 source "drivers/cpufreq/Kconfig"
@@ -421,6 +505,8 @@ config HEARTBEAT
          behavior is platform-dependent, but normally the flash frequency is
          a hyperbolic function of the 5-minute load average.
+source "arch/sh/drivers/Kconfig"
 endmenu
 config ISA_DMA_API
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 48479e014dac..66a25ef4ef1b 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
+config TRACE_IRQFLAGS_SUPPORT
+        bool
+        default y
 source "lib/Kconfig.debug"
 config SH_STANDARD_BIOS
@@ -17,7 +21,18 @@ config SH_STANDARD_BIOS
 config EARLY_SCIF_CONSOLE
        bool "Use early SCIF console"
-        depends on CPU_SH4 || CPU_SH2A && !SH_STANDARD_BIOS
+        help
+          This enables an early console using a fixed SCIF port. This can
+          be used by platforms that are either not running the SH
+          standard BIOS, or do not wish to use the BIOS callbacks for the
+          serial I/O.
+config EARLY_SCIF_CONSOLE_PORT
+        hex "SCIF port for early console"
+        depends on EARLY_SCIF_CONSOLE
+        default "0xffe00000" if CPU_SUBTYPE_SH7780
+        default "0xfffe9800" if CPU_SUBTYPE_SH72060
+        default "0xffe80000" if CPU_SH4
 config EARLY_PRINTK
        bool "Early printk support"
@@ -30,6 +45,11 @@ config EARLY_PRINTK
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
+          On devices that are running SH-IPL and want to keep the port
+          initialization consistent while not using the BIOS callbacks,
+          select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
+          the kernel command line option to toggle back and forth.
 config DEBUG_STACKOVERFLOW
        bool "Check for stack overflows"
        depends on DEBUG_KERNEL
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 26d62ff51a64..d10bba5e1074 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -13,10 +13,6 @@
 # for "archclean" and "archdep" for cleaning up and making dependencies for
 # this architecture
 #
-cflags-y                                := -mb
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      := -ml
 isa-y                                   := any
 isa-$(CONFIG_SH_DSP)                    := sh
 isa-$(CONFIG_CPU_SH2)                   := sh2
@@ -38,13 +34,16 @@ isa-y			:= $(isa-y)-nofpu
 endif
 endif
-cflags-y        += $(call as-option,-Wa$(comma)-isa=$(isa-y),)
+cflags-$(CONFIG_CPU_SH2)                := -m2
+cflags-$(CONFIG_CPU_SH3)                := -m3
-cflags-$(CONFIG_CPU_SH2)                += -m2
+cflags-$(CONFIG_CPU_SH4)                := -m4 \
-cflags-$(CONFIG_CPU_SH3)                += -m3
-cflags-$(CONFIG_CPU_SH4)                += -m4 \
        $(call cc-option,-mno-implicit-fp,-m4-nofpu)
-cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4A)               := -m4a $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
+cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
+cflags-y        += $(call as-option,-Wa$(comma)-isa=$(isa-y),) -ffreestanding
 cflags-$(CONFIG_SH_DSP)                 += -Wa,-dsp
 cflags-$(CONFIG_SH_KGDB)                += -g
@@ -59,7 +58,9 @@ OBJCOPYFLAGS	:= -O binary -R .note -R .comment -R .stab -R .stabstr -S
 # never be used by anyone. Use a board-specific defconfig that has a
 # reasonable chance of being current instead.
 #
-KBUILD_DEFCONFIG := rts7751r2d_defconfig
+KBUILD_DEFCONFIG := r7780rp_defconfig
+KBUILD_IMAGE    := arch/sh/boot/zImage
 #
 # Choosing incompatible machines durings configuration will result in
@@ -109,6 +110,8 @@ machdir-$(CONFIG_SH_SH4202_MICRODEV)		:= superh/microdev
 machdir-$(CONFIG_SH_LANDISK)                    := landisk
 machdir-$(CONFIG_SH_TITAN)                      := titan
 machdir-$(CONFIG_SH_SHMIN)                      := shmin
+machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       := se/7206
+machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       := se/7619
 machdir-$(CONFIG_SH_UNKNOWN)                    := unknown
 incdir-y                        := $(notdir $(machdir-y))
@@ -124,6 +127,7 @@ core-$(CONFIG_HD64465)		+= arch/sh/cchips/hd6446x/hd64465/
 core-$(CONFIG_VOYAGERGX)        += arch/sh/cchips/voyagergx/
 cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
+cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
 cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
 cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index f1776d027978..574b0316ed56 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -3,4 +3,6 @@
 #
 obj-y    := setup.o io.o irq.o
-obj-$(CONFIG_HEARTBEAT) += led.o
+obj-$(CONFIG_HEARTBEAT)         += led.o
+obj-$(CONFIG_PUSH_SWITCH)       += psw.o
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
index aa15ec5bc69e..cc381e197783 100644
--- a/arch/sh/boards/renesas/r7780rp/irq.c
+++ b/arch/sh/boards/renesas/r7780rp/irq.c
@@ -10,6 +10,7 @@
 */
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <asm/r7780rp.h>
diff --git a/arch/sh/boards/renesas/r7780rp/psw.c b/arch/sh/boards/renesas/r7780rp/psw.c
new file mode 100644
index 000000000000..c844dfa5d58d
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/psw.c
@@ -0,0 +1,122 @@
+/*
+ * arch/sh/boards/renesas/r7780rp/psw.c
+ *
+ * push switch support for RDBRP-1/RDBREVRP-1 debug boards.
+ *
+ * Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <asm/mach/r7780rp.h>
+#include <asm/push-switch.h>
+static irqreturn_t psw_irq_handler(int irq, void *arg)
+{
+        struct platform_device *pdev = arg;
+        struct push_switch *psw = platform_get_drvdata(pdev);
+        struct push_switch_platform_info *psw_info = pdev->dev.platform_data;
+        unsigned int l, mask;
+        int ret = 0;
+        l = ctrl_inw(PA_DBSW);
+        /* Nothing to do if there's no state change */
+        if (psw->state) {
+                ret = 1;
+                goto out;
+        }
+        mask = l & 0x70;
+        /* Figure out who raised it */
+        if (mask & (1 << psw_info->bit)) {
+                psw->state = !!(mask & (1 << psw_info->bit));
+                if (psw->state) /* debounce */
+                        mod_timer(&psw->debounce, jiffies + 50);
+                ret = 1;
+        }
+out:
+        /* Clear the switch IRQs */
+        l |= (0x7 << 12);
+        ctrl_outw(l, PA_DBSW);
+        return IRQ_RETVAL(ret);
+}
+static struct resource psw_resources[] = {
+        [0] = {
+                .start  = IRQ_PSW,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct push_switch_platform_info s2_platform_data = {
+        .name           = "s2",
+        .bit            = 6,
+        .irq_flags      = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+                          IRQF_SHARED,
+        .irq_handler    = psw_irq_handler,
+};
+static struct platform_device s2_switch_device = {
+        .name           = "push-switch",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(psw_resources),
+        .resource       = psw_resources,
+        .dev            = {
+                .platform_data = &s2_platform_data,
+        },
+};
+static struct push_switch_platform_info s3_platform_data = {
+        .name           = "s3",
+        .bit            = 5,
+        .irq_flags      = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+                          IRQF_SHARED,
+        .irq_handler    = psw_irq_handler,
+};
+static struct platform_device s3_switch_device = {
+        .name           = "push-switch",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(psw_resources),
+        .resource       = psw_resources,
+        .dev            = {
+                .platform_data = &s3_platform_data,
+        },
+};
+static struct push_switch_platform_info s4_platform_data = {
+        .name           = "s4",
+        .bit            = 4,
+        .irq_flags      = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+                          IRQF_SHARED,
+        .irq_handler    = psw_irq_handler,
+};
+static struct platform_device s4_switch_device = {
+        .name           = "push-switch",
+        .id             = 2,
+        .num_resources  = ARRAY_SIZE(psw_resources),
+        .resource       = psw_resources,
+        .dev            = {
+                .platform_data = &s4_platform_data,
+        },
+};
+static struct platform_device *psw_devices[] = {
+        &s2_switch_device, &s3_switch_device, &s4_switch_device,
+};
+static int __init psw_init(void)
+{
+        return platform_add_devices(psw_devices, ARRAY_SIZE(psw_devices));
+}
+module_init(psw_init);
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index c331caeb694b..9f89c8de9db9 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -44,8 +44,37 @@ static struct platform_device m66596_usb_host_device = {
        .resource       = m66596_usb_host_resources,
 };
+static struct resource cf_ide_resources[] = {
+        [0] = {
+                .start  = 0x1f0,
+                .end    = 0x1f0 + 8,
+                .flags  = IORESOURCE_IO,
+        },
+        [1] = {
+                .start  = 0x1f0 + 0x206,
+                .end    = 0x1f0 + 8 + 0x206 + 8,
+                .flags  = IORESOURCE_IO,
+        },
+        [2] = {
+#ifdef CONFIG_SH_R7780MP
+                .start  = 1,
+#else
+                .start  = 4,
+#endif
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device cf_ide_device  = {
+        .name           = "pata_platform",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(cf_ide_resources),
+        .resource       = cf_ide_resources,
+};
 static struct platform_device *r7780rp_devices[] __initdata = {
        &m66596_usb_host_device,
+        &cf_ide_device,
 };
 static int __init r7780rp_devices_setup(void)
diff --git a/arch/sh/boards/se/7206/Makefile b/arch/sh/boards/se/7206/Makefile
new file mode 100644
index 000000000000..63950f4f2453
--- /dev/null
+++ b/arch/sh/boards/se/7206/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the 7206 SolutionEngine specific parts of the kernel
+#
+obj-y    := setup.o io.o irq.o
+obj-$(CONFIG_HEARTBEAT) += led.o
diff --git a/arch/sh/boards/se/7206/io.c b/arch/sh/boards/se/7206/io.c
new file mode 100644
index 000000000000..b557273e0cbe
--- /dev/null
+++ b/arch/sh/boards/se/7206/io.c
@@ -0,0 +1,123 @@
+/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $
+ *
+ * linux/arch/sh/boards/se/7206/io.c
+ *
+ * Copyright (C) 2006 Yoshinori Sato
+ *
+ * I/O routine for Hitachi 7206 SolutionEngine.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/se7206.h>
+static inline void delay(void)
+{
+        ctrl_inw(0x20000000);  /* P2 ROM Area */
+}
+/* MS7750 requires special versions of in*, out* routines, since
+   PC-like io ports are located at upper half byte of 16-bit word which
+   can be accessed only with 16-bit wide.  */
+static inline volatile __u16 *
+port2adr(unsigned int port)
+{
+        if (port >= 0x2000)
+                return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
+        else if (port >= 0x300 || port < 0x310)
+                return (volatile __u16 *) (PA_SMSC + (port - 0x300));
+}
+unsigned char se7206_inb(unsigned long port)
+{
+        return (*port2adr(port))&0xff; 
+}
+unsigned char se7206_inb_p(unsigned long port)
+{
+        unsigned long v;
+        v = (*port2adr(port))&0xff; 
+        delay();
+        return v;
+}
+unsigned short se7206_inw(unsigned long port)
+{
+        return *port2adr(port);;
+}
+unsigned int se7206_inl(unsigned long port)
+{
+        maybebadio(port);
+        return 0;
+}
+void se7206_outb(unsigned char value, unsigned long port)
+{
+        *(port2adr(port)) = value;
+}
+void se7206_outb_p(unsigned char value, unsigned long port)
+{
+        *(port2adr(port)) = value;
+        delay();
+}
+void se7206_outw(unsigned short value, unsigned long port)
+{
+        *port2adr(port) = value;
+}
+void se7206_outl(unsigned int value, unsigned long port)
+{
+        maybebadio(port);
+}
+void se7206_insb(unsigned long port, void *addr, unsigned long count)
+{
+        volatile __u16 *p = port2adr(port);
+        __u8 *ap = addr;
+        while (count--)
+                *ap++ = *p;
+}
+void se7206_insw(unsigned long port, void *addr, unsigned long count)
+{
+        volatile __u16 *p = port2adr(port);
+        __u16 *ap = addr;
+        while (count--)
+                *ap++ = *p;
+}
+void se7206_insl(unsigned long port, void *addr, unsigned long count)
+{
+        maybebadio(port);
+}
+void se7206_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+        volatile __u16 *p = port2adr(port);
+        const __u8 *ap = addr;
+        while (count--)
+                *p = *ap++;
+}
+void se7206_outsw(unsigned long port, const void *addr, unsigned long count)
+{
+        volatile __u16 *p = port2adr(port);
+        const __u16 *ap = addr;
+        while (count--)
+                *p = *ap++;
+}
+void se7206_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+        maybebadio(port);
+}
diff --git a/arch/sh/boards/se/7206/irq.c b/arch/sh/boards/se/7206/irq.c
new file mode 100644
index 000000000000..3fb0c5f5b23a
--- /dev/null
+++ b/arch/sh/boards/se/7206/irq.c
@@ -0,0 +1,139 @@
+/*
+ * linux/arch/sh/boards/se/7206/irq.c
+ *
+ * Copyright (C) 2005,2006 Yoshinori Sato
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <asm/se7206.h>
+#define INTSTS0 0x31800000
+#define INTSTS1 0x31800002
+#define INTMSK0 0x31800004
+#define INTMSK1 0x31800006
+#define INTSEL  0x31800008
+static void disable_se7206_irq(unsigned int irq)
+{
+        unsigned short val;
+        unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq)));
+        unsigned short msk0,msk1;
+        /* Set the priority in IPR to 0 */
+        val = ctrl_inw(INTC_IPR01);
+        val &= mask;
+        ctrl_outw(val, INTC_IPR01);
+        /* FPGA mask set */
+        msk0 = ctrl_inw(INTMSK0);
+        msk1 = ctrl_inw(INTMSK1);
+        switch (irq) {
+        case IRQ0_IRQ:
+                msk0 |= 0x0010;
+                break;
+        case IRQ1_IRQ:
+                msk0 |= 0x000f;
+                break;
+        case IRQ2_IRQ:
+                msk0 |= 0x0f00;
+                msk1 |= 0x00ff;
+                break;
+        }
+        ctrl_outw(msk0, INTMSK0);
+        ctrl_outw(msk1, INTMSK1);
+}
+static void enable_se7206_irq(unsigned int irq)
+{
+        unsigned short val;
+        unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq)));
+        unsigned short msk0,msk1;
+        /* Set priority in IPR back to original value */
+        val = ctrl_inw(INTC_IPR01);
+        val |= value;
+        ctrl_outw(val, INTC_IPR01);
+        /* FPGA mask reset */
+        msk0 = ctrl_inw(INTMSK0);
+        msk1 = ctrl_inw(INTMSK1);
+        switch (irq) {
+        case IRQ0_IRQ:
+                msk0 &= ~0x0010;
+                break;
+        case IRQ1_IRQ:
+                msk0 &= ~0x000f;
+                break;
+        case IRQ2_IRQ:
+                msk0 &= ~0x0f00;
+                msk1 &= ~0x00ff;
+                break;
+        }
+        ctrl_outw(msk0, INTMSK0);
+        ctrl_outw(msk1, INTMSK1);
+}
+static void eoi_se7206_irq(unsigned int irq)
+{
+        unsigned short sts0,sts1;
+        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+                enable_se7206_irq(irq);
+        /* FPGA isr clear */
+        sts0 = ctrl_inw(INTSTS0);
+        sts1 = ctrl_inw(INTSTS1);
+        switch (irq) {
+        case IRQ0_IRQ:
+                sts0 &= ~0x0010;
+                break;
+        case IRQ1_IRQ:
+                sts0 &= ~0x000f;
+                break;
+        case IRQ2_IRQ:
+                sts0 &= ~0x0f00;
+                sts1 &= ~0x00ff;
+                break;
+        }
+        ctrl_outw(sts0, INTSTS0);
+        ctrl_outw(sts1, INTSTS1);
+}
+static struct irq_chip se7206_irq_chip __read_mostly = {
+        .name           = "SE7206-FPGA-IRQ",
+        .mask           = disable_se7206_irq,
+        .unmask         = enable_se7206_irq,
+        .mask_ack       = disable_se7206_irq,
+        .eoi            = eoi_se7206_irq,
+};
+static void make_se7206_irq(unsigned int irq)
+{
+        disable_irq_nosync(irq);
+        set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
+                                      handle_level_irq, "level");
+        disable_se7206_irq(irq);
+}
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7206_IRQ(void)
+{
+        make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */
+        make_se7206_irq(IRQ1_IRQ); /* ATA */
+        make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */
+        ctrl_outw(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */
+        /* FPGA System register setup*/
+        ctrl_outw(0x0000,INTSTS0); /* Clear INTSTS0 */
+        ctrl_outw(0x0000,INTSTS1); /* Clear INTSTS1 */
+        /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */
+        ctrl_outw(0x0001,INTSEL);
+}
diff --git a/arch/sh/boards/se/7206/led.c b/arch/sh/boards/se/7206/led.c
new file mode 100644
index 000000000000..ef794601ab86
--- /dev/null
+++ b/arch/sh/boards/se/7206/led.c
@@ -0,0 +1,57 @@
+/*
+ * linux/arch/sh/kernel/led_se.c
+ *
+ * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * This file contains Solution Engine specific LED code.
+ */
+#include <linux/config.h>
+#include <asm/se7206.h>
+#ifdef CONFIG_HEARTBEAT
+#include <linux/sched.h>
+/* Cycle the LED's in the clasic Knightrider/Sun pattern */
+void heartbeat_se(void)
+{
+        static unsigned int cnt = 0, period = 0;
+        volatile unsigned short* p = (volatile unsigned short*)PA_LED;
+        static unsigned bit = 0, up = 1;
+        cnt += 1;
+        if (cnt < period) {
+                return;
+        }
+        cnt = 0;
+        /* Go through the points (roughly!):
+         * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
+         */
+        period = 110 - ( (300<<FSHIFT)/
+                         ((avenrun[0]/5) + (3<<FSHIFT)) );
+        if (up) {
+                if (bit == 7) {
+                        bit--;
+                        up=0;
+                } else {
+                        bit ++;
+                }
+        } else {
+                if (bit == 0) {
+                        bit++;
+                        up=1;
+                } else {
+                        bit--;
+                }
+        }
+        *p = 1<<(bit+8);
+}
+#endif /* CONFIG_HEARTBEAT */
diff --git a/arch/sh/boards/se/7206/setup.c b/arch/sh/boards/se/7206/setup.c
new file mode 100644
index 000000000000..0f42e91a3238
--- /dev/null
+++ b/arch/sh/boards/se/7206/setup.c
@@ -0,0 +1,79 @@
+/*
+ *
+ * linux/arch/sh/boards/se/7206/setup.c
+ *
+ * Copyright (C) 2006  Yoshinori Sato
+ *
+ * Hitachi 7206 SolutionEngine Support.
+ *
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/se7206.h>
+#include <asm/io.h>
+#include <asm/machvec.h>
+static struct resource smc91x_resources[] = {
+        [0] = {
+                .start          = 0x300,
+                .end            = 0x300 + 0x020 - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = 64,
+                .end            = 64,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device smc91x_device = {
+        .name           = "smc91x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smc91x_resources),
+        .resource       = smc91x_resources,
+};
+static int __init se7206_devices_setup(void)
+{
+        return platform_device_register(&smc91x_device);
+}
+__initcall(se7206_devices_setup);
+void heartbeat_se(void);
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_se __initmv = {
+        .mv_name                = "SolutionEngine",
+        .mv_nr_irqs             = 256,
+        .mv_inb                 = se7206_inb,
+        .mv_inw                 = se7206_inw,
+        .mv_inl                 = se7206_inl,
+        .mv_outb                = se7206_outb,
+        .mv_outw                = se7206_outw,
+        .mv_outl                = se7206_outl,
+        .mv_inb_p               = se7206_inb_p,
+        .mv_inw_p               = se7206_inw,
+        .mv_inl_p               = se7206_inl,
+        .mv_outb_p              = se7206_outb_p,
+        .mv_outw_p              = se7206_outw,
+        .mv_outl_p              = se7206_outl,
+        .mv_insb                = se7206_insb,
+        .mv_insw                = se7206_insw,
+        .mv_insl                = se7206_insl,
+        .mv_outsb               = se7206_outsb,
+        .mv_outsw               = se7206_outsw,
+        .mv_outsl               = se7206_outsl,
+        .mv_init_irq            = init_se7206_IRQ,
+#ifdef CONFIG_HEARTBEAT
+        .mv_heartbeat           = heartbeat_se,
+#endif
+};
+ALIAS_MV(se)
diff --git a/arch/sh/boards/se/7619/Makefile b/arch/sh/boards/se/7619/Makefile
new file mode 100644
index 000000000000..3666eca8a658
--- /dev/null
+++ b/arch/sh/boards/se/7619/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the 7619 SolutionEngine specific parts of the kernel
+#
+obj-y    := setup.o io.o
diff --git a/arch/sh/boards/se/7619/io.c b/arch/sh/boards/se/7619/io.c
new file mode 100644
index 000000000000..176f1f39cd9d
--- /dev/null
+++ b/arch/sh/boards/se/7619/io.c
@@ -0,0 +1,102 @@
+/*
+ *
+ * linux/arch/sh/boards/se/7619/io.c
+ *
+ * Copyright (C) 2006  Yoshinori Sato
+ *
+ * I/O routine for Hitachi 7619 SolutionEngine.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/se7619.h>
+#include <asm/irq.h>
+/* FIXME: M3A-ZAB7 Compact Flash Slot support */
+static inline void delay(void)
+{
+        ctrl_inw(0xa0000000);   /* Uncached ROM area (P2) */
+}
+#define badio(name,port) \
+  printk("bad I/O operation (%s) for port 0x%lx at 0x%08x\n", \
+         #name, (port), (__u32) __builtin_return_address(0))
+unsigned char se7619___inb(unsigned long port)
+{
+        badio(inb, port);
+        return 0;
+}
+unsigned char se7619___inb_p(unsigned long port)
+{
+        badio(inb_p, port);
+        delay();
+        return 0;
+}
+unsigned short se7619___inw(unsigned long port)
+{
+        badio(inw, port);
+        return 0;
+}
+unsigned int se7619___inl(unsigned long port)
+{
+        badio(inl, port);
+        return 0;
+}
+void se7619___outb(unsigned char value, unsigned long port)
+{
+        badio(outb, port);
+}
+void se7619___outb_p(unsigned char value, unsigned long port)
+{
+        badio(outb_p, port);
+        delay();
+}
+void se7619___outw(unsigned short value, unsigned long port)
+{
+        badio(outw, port);
+}
+void se7619___outl(unsigned int value, unsigned long port)
+{
+        badio(outl, port);
+}
+void se7619___insb(unsigned long port, void *addr, unsigned long count)
+{
+        badio(inw, port);
+}
+void se7619___insw(unsigned long port, void *addr, unsigned long count)
+{
+        badio(inw, port);
+}
+void se7619___insl(unsigned long port, void *addr, unsigned long count)
+{
+        badio(insl, port);
+}
+void se7619___outsb(unsigned long port, const void *addr, unsigned long count)
+{
+        badio(insl, port);
+}
+void se7619___outsw(unsigned long port, const void *addr, unsigned long count)
+{
+        badio(insl, port);
+}
+void se7619___outsl(unsigned long port, const void *addr, unsigned long count)
+{
+        badio(outsw, port);
+}
diff --git a/arch/sh/boards/se/7619/setup.c b/arch/sh/boards/se/7619/setup.c
new file mode 100644
index 000000000000..e627b26de0d0
--- /dev/null
+++ b/arch/sh/boards/se/7619/setup.c
@@ -0,0 +1,43 @@
+/*
+ * arch/sh/boards/se/7619/setup.c
+ *
+ * Copyright (C) 2006 Yoshinori Sato
+ *
+ * Hitachi SH7619 SolutionEngine Support.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/se7619.h>
+#include <asm/machvec.h>
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_se __initmv = {
+        .mv_name                = "SolutionEngine",
+        .mv_nr_irqs             = 108,
+        .mv_inb                 = se7619___inb,
+        .mv_inw                 = se7619___inw,
+        .mv_inl                 = se7619___inl,
+        .mv_outb                = se7619___outb,
+        .mv_outw                = se7619___outw,
+        .mv_outl                = se7619___outl,
+        .mv_inb_p               = se7619___inb_p,
+        .mv_inw_p               = se7619___inw,
+        .mv_inl_p               = se7619___inl,
+        .mv_outb_p              = se7619___outb_p,
+        .mv_outw_p              = se7619___outw,
+        .mv_outl_p              = se7619___outl,
+        .mv_insb                = se7619___insb,
+        .mv_insw                = se7619___insw,
+        .mv_insl                = se7619___insl,
+        .mv_outsb               = se7619___outsb,
+        .mv_outsw               = se7619___outsw,
+        .mv_outsl               = se7619___outsl,
+};
+ALIAS_MV(se)
diff --git a/arch/sh/boards/titan/setup.c b/arch/sh/boards/titan/setup.c
index a6046d93758b..6bcd939bfaed 100644
--- a/arch/sh/boards/titan/setup.c
+++ b/arch/sh/boards/titan/setup.c
@@ -1,26 +1,30 @@
 /*
- *      Setup for Titan
+ * arch/sh/boards/titan/setup.c - Setup for Titan
+ *
+ *  Copyright (C) 2006  Jamie Lenehan
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
 */
 #include <linux/init.h>
-#include <asm/irq.h>
+#include <linux/irq.h>
 #include <asm/titan.h>
 #include <asm/io.h>
-extern void __init pcibios_init_platform(void);
 static struct ipr_data titan_ipr_map[] = {
-        { TITAN_IRQ_WAN,        IRL0_IPR_ADDR,  IRL0_IPR_POS,   IRL0_PRIORITY },
+        /* IRQ, IPR idx, shift, prio */
-        { TITAN_IRQ_LAN,        IRL1_IPR_ADDR,  IRL1_IPR_POS,   IRL1_PRIORITY },
+        { TITAN_IRQ_WAN,   3, 12, 8 },  /* eth0 (WAN) */
-        { TITAN_IRQ_MPCIA,      IRL2_IPR_ADDR,  IRL2_IPR_POS,   IRL2_PRIORITY },
+        { TITAN_IRQ_LAN,   3,  8, 8 },  /* eth1 (LAN) */
-        { TITAN_IRQ_USB,        IRL3_IPR_ADDR,  IRL3_IPR_POS,   IRL3_PRIORITY },
+        { TITAN_IRQ_MPCIA, 3,  4, 8 },  /* mPCI A (top) */
+        { TITAN_IRQ_USB,   3,  0, 8 },  /* mPCI B (bottom), USB */
 };
 static void __init init_titan_irq(void)
 {
        /* enable individual interrupt mode for externals */
-        ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+        ipr_irq_enable_irlm();
+        /* register ipr irqs */
        make_ipr_irq(titan_ipr_map, ARRAY_SIZE(titan_ipr_map));
 }
@@ -47,6 +51,5 @@ struct sh_machine_vector mv_titan __initmv = {
        .mv_ioport_map = titan_ioport_map,
        .mv_init_irq =  init_titan_irq,
-        .mv_init_pci =  pcibios_init_platform,
 };
 ALIAS_MV(titan)
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index f2fed5ce5cc3..35452d85b7f7 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -12,6 +12,7 @@
 */
 #include <asm/uaccess.h>
+#include <asm/addrspace.h>
 #ifdef CONFIG_SH_STANDARD_BIOS
 #include <asm/sh_bios.h>
 #endif
@@ -228,7 +229,7 @@ long* stack_start = &user_stack[STACK_SIZE];
 void decompress_kernel(void)
 {
        output_data = 0;
-        output_ptr = (unsigned long)&_text+0x20001000;
+        output_ptr = P2SEGADDR((unsigned long)&_text+0x1000);
        free_mem_ptr = (unsigned long)&_end;
        free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
diff --git a/arch/sh/configs/r7780rp_defconfig b/arch/sh/configs/r7780rp_defconfig
index 34e2046c3213..2b75b4896ba5 100644
--- a/arch/sh/configs/r7780rp_defconfig
+++ b/arch/sh/configs/r7780rp_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-rc3
+# Linux kernel version: 2.6.19
-# Tue Oct 31 12:32:06 2006
+# Wed Dec  6 11:59:38 2006
 #
 CONFIG_SUPERH=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
@@ -11,6 +11,8 @@ CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 # CONFIG_GENERIC_TIME is not set
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 #
@@ -37,6 +39,7 @@ CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_SYSFS_DEPRECATED is not set
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -118,6 +121,8 @@ CONFIG_SH_R7780RP=y
 # CONFIG_SH_LANDISK is not set
 # CONFIG_SH_TITAN is not set
 # CONFIG_SH_SHMIN is not set
+# CONFIG_SH_7206_SOLUTION_ENGINE is not set
+# CONFIG_SH_7619_SOLUTION_ENGINE is not set
 # CONFIG_SH_UNKNOWN is not set
 #
@@ -130,6 +135,12 @@ CONFIG_CPU_SH4A=y
 # SH-2 Processor Support
 #
 # CONFIG_CPU_SUBTYPE_SH7604 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+#
+# SH-2A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
 #
 # SH-3 Processor Support
@@ -165,6 +176,7 @@ CONFIG_CPU_SH4A=y
 #
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 CONFIG_CPU_SUBTYPE_SH7780=y
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
 #
 # SH4AL-DSP Processor Support
@@ -181,8 +193,14 @@ CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x08000000
 # CONFIG_32BIT is not set
 CONFIG_VSYSCALL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
 CONFIG_HUGETLB_PAGE_SIZE_64K=y
+# CONFIG_HUGETLB_PAGE_SIZE_256K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
+# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set
+# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -204,12 +222,14 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
 # CONFIG_SH_DSP is not set
 CONFIG_SH_STORE_QUEUES=y
 CONFIG_CPU_HAS_INTEVT=y
 CONFIG_CPU_HAS_INTC2_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
 #
 # Timer support
@@ -220,6 +240,8 @@ CONFIG_SH_TMU=y
 # R7780RP options
 #
 CONFIG_SH_R7780MP=y
+CONFIG_SH_TIMER_IRQ=28
+CONFIG_NO_IDLE_HZ=y
 CONFIG_SH_PCLK_FREQ=32000000
 #
@@ -238,13 +260,18 @@ CONFIG_SH_PCLK_FREQ=32000000
 # CONFIG_HD6446X_SERIES is not set
 #
+# Additional SuperH Device Drivers
+#
+CONFIG_PUSH_SWITCH=y
+#
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_KEXEC is not set
+CONFIG_KEXEC=y
 # CONFIG_SMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
@@ -278,10 +305,7 @@ CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
 #
 # PCI Hotplug Support
 #
-CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI is not set
-# CONFIG_HOTPLUG_PCI_FAKE is not set
-# CONFIG_HOTPLUG_PCI_CPCI is not set
-# CONFIG_HOTPLUG_PCI_SHPC is not set
 #
 # Executable file formats
@@ -341,6 +365,7 @@ CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
 # CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
@@ -556,6 +581,7 @@ CONFIG_SATA_SIL=y
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_JMICRON is not set
 # CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MARVELL is not set
 # CONFIG_PATA_MPIIX is not set
 # CONFIG_PATA_OLDPIIX is not set
 # CONFIG_PATA_NETCELL is not set
@@ -572,6 +598,7 @@ CONFIG_SATA_SIL=y
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_PLATFORM=y
 #
 # Multi-device support (RAID and LVM)
@@ -688,6 +715,7 @@ CONFIG_R8169=y
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
 # CONFIG_MYRI10GE is not set
+# CONFIG_NETXEN_NIC is not set
 #
 # Token Ring devices
@@ -830,10 +858,6 @@ CONFIG_HW_RANDOM=y
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
-#
-# Ftape, the floppy tape device driver
-#
 # CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
@@ -1020,7 +1044,7 @@ CONFIG_INOTIFY_USER=y
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
-# CONFIG_FUSE_FS is not set
+CONFIG_FUSE_FS=m
 #
 # CD-ROM/DVD Filesystems
@@ -1052,7 +1076,7 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONFIGFS_FS=m
 #
 # Miscellaneous filesystems
@@ -1153,28 +1177,33 @@ CONFIG_NLS_ISO8859_1=y
 #
 # Profiling support
 #
-# CONFIG_PROFILING is not set
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=m
 #
 # Kernel hacking
 #
-# CONFIG_PRINTK_TIME is not set
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_PRINTK_TIME=y
 CONFIG_ENABLE_MUST_CHECK=y
-# CONFIG_MAGIC_SYSRQ is not set
+CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
-CONFIG_DEBUG_SPINLOCK=y
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
-# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_BUGVERBOSE=y
-# CONFIG_DEBUG_INFO is not set
+CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
@@ -1184,7 +1213,7 @@ CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
-# CONFIG_DEBUG_STACKOVERFLOW is not set
+CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_4KSTACKS is not set
 # CONFIG_KGDB is not set
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
new file mode 100644
index 000000000000..36cec0b6e7c1
--- /dev/null
+++ b/arch/sh/configs/se7206_defconfig
@@ -0,0 +1,826 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.19-rc4
+# Sun Nov  5 16:20:10 2006
+#
+CONFIG_SUPERH=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_TIME is not set
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SYSVIPC is not set
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_HOTPLUG is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+CONFIG_SLAB=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_TINY_SHMEM=y
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+#
+# Loadable module support
+#
+# CONFIG_MODULES is not set
+#
+# Block layer
+#
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_LSF is not set
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_7343_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_7710VOIPGW is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R7780RP is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_SHMIN is not set
+CONFIG_SH_7206_SOLUTION_ENGINE=y
+# CONFIG_SH_7619_SOLUTION_ENGINE is not set
+# CONFIG_SH_UNKNOWN is not set
+#
+# Processor selection
+#
+CONFIG_CPU_SH2=y
+CONFIG_CPU_SH2A=y
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+#
+# SH-2A Processor Support
+#
+CONFIG_CPU_SUBTYPE_SH7206=y
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+#
+# SH4AL-DSP Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+#
+# Memory management options
+#
+CONFIG_PAGE_OFFSET=0x00000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x02000000
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+#
+# Processor features
+#
+# CONFIG_CPU_LITTLE_ENDIAN is not set
+# CONFIG_SH_FPU is not set
+# CONFIG_SH_FPU_EMU is not set
+# CONFIG_SH_DSP is not set
+#
+# Timer support
+#
+CONFIG_SH_CMT=y
+# CONFIG_SH_MTU2 is not set
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_SH_CLK_MD=6
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+#
+# Kernel features
+#
+CONFIG_HZ_100=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=100
+# CONFIG_KEXEC is not set
+# CONFIG_SMP is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+# CONFIG_CMDLINE_BOOL is not set
+#
+# Bus options
+#
+# CONFIG_PCI is not set
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+#
+# PCI Hotplug Support
+#
+#
+# Executable file formats
+#
+CONFIG_BINFMT_FLAT=y
+CONFIG_BINFMT_ZFLAT=y
+# CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+#
+# Power management options (EXPERIMENTAL)
+#
+# CONFIG_PM is not set
+#
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+# CONFIG_PACKET is not set
+# CONFIG_UNIX is not set
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+#
+# Device Drivers
+#
+#
+# Generic Driver Options
+#
+# CONFIG_STANDALONE is not set
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_SYS_HYPERVISOR is not set
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x20000000
+CONFIG_MTD_PHYSMAP_LEN=0x1000000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=4
+# CONFIG_MTD_SOLUTIONENGINE is not set
+# CONFIG_MTD_UCLINUX is not set
+# CONFIG_MTD_PLATRAM is not set
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+#
+# Plug and Play support
+#
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+#
+# Misc devices
+#
+# CONFIG_TIFM_CORE is not set
+#
+# ATA/ATAPI/MFM/RLL support
+#
+# CONFIG_IDE is not set
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_NETLINK is not set
+#
+# Serial ATA (prod) and Parallel ATA (experimental) drivers
+#
+# CONFIG_ATA is not set
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+#
+# IEEE 1394 (FireWire) support
+#
+#
+# I2O device support
+#
+#
+# Network device support
+#
+# CONFIG_NETDEVICES is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=4
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_UNIX98_PTYS is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_RAW_DRIVER is not set
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ABITUGURU is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+#
+# Graphics support
+#
+CONFIG_FIRMWARE_EDID=y
+# CONFIG_FB is not set
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+#
+# USB support
+#
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+#
+# LED drivers
+#
+#
+# LED Triggers
+#
+#
+# InfiniBand support
+#
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+#
+# DMA Engine support
+#
+# CONFIG_DMA_ENGINE is not set
+#
+# DMA Clients
+#
+#
+# DMA Devices
+#
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+CONFIG_ROMFS_FS=y
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+# CONFIG_SYSFS is not set
+# CONFIG_TMPFS is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+#
+# Network File Systems
+#
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_MUST_CHECK=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_UNWIND_INFO is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_KGDB is not set
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+#
+# Library routines
+#
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
diff --git a/arch/sh/drivers/Kconfig b/arch/sh/drivers/Kconfig
new file mode 100644
index 000000000000..c54c758e6243
--- /dev/null
+++ b/arch/sh/drivers/Kconfig
@@ -0,0 +1,9 @@
+menu "Additional SuperH Device Drivers"
+config PUSH_SWITCH
+        tristate "Push switch support"
+        help
+          This enables support for the push switch framework, a simple
+          framework that allows for sysfs driven switch status reporting.
+endmenu
diff --git a/arch/sh/drivers/Makefile b/arch/sh/drivers/Makefile
index 338c3729d270..bf18dbfb6787 100644
--- a/arch/sh/drivers/Makefile
+++ b/arch/sh/drivers/Makefile
@@ -5,4 +5,4 @@
 obj-$(CONFIG_PCI)               += pci/
 obj-$(CONFIG_SH_DMA)            += dma/
 obj-$(CONFIG_SUPERHYWAY)        += superhyway/
+obj-$(CONFIG_PUSH_SWITCH)       += push-switch.o
diff --git a/arch/sh/drivers/dma/Makefile b/arch/sh/drivers/dma/Makefile
index 065d4c90970e..db1295d32268 100644
--- a/arch/sh/drivers/dma/Makefile
+++ b/arch/sh/drivers/dma/Makefile
@@ -2,8 +2,8 @@
 # Makefile for the SuperH DMA specific kernel interface routines under Linux.
 #
-obj-y                           += dma-api.o dma-isa.o
+obj-y                           += dma-api.o
+obj-$(CONFIG_ISA_DMA_API)       += dma-isa.o
 obj-$(CONFIG_SYSFS)             += dma-sysfs.o
 obj-$(CONFIG_SH_DMA)            += dma-sh.o
 obj-$(CONFIG_SH_DREAMCAST)      += dma-pvr2.o dma-g2.o
diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c
index 47c3e837599b..e062067edd24 100644
--- a/arch/sh/drivers/dma/dma-api.c
+++ b/arch/sh/drivers/dma/dma-api.c
@@ -11,61 +11,27 @@
 */
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/proc_fs.h>
 #include <linux/list.h>
 #include <linux/platform_device.h>
+#include <linux/mm.h>
 #include <asm/dma.h>
 DEFINE_SPINLOCK(dma_spin_lock);
 static LIST_HEAD(registered_dmac_list);
-/*
- * A brief note about the reasons for this API as it stands.
- *
- * For starters, the old ISA DMA API didn't work for us for a number of
- * reasons, for one, the vast majority of channels on the SH DMAC are
- * dual-address mode only, and both the new and the old DMA APIs are after the
- * concept of managing a DMA buffer, which doesn't overly fit this model very
- * well. In addition to which, the new API is largely geared at IOMMUs and
- * GARTs, and doesn't even support the channel notion very well.
- *
- * The other thing that's a marginal issue, is the sheer number of random DMA
- * engines that are present (ie, in boards like the Dreamcast), some of which
- * cascade off of the SH DMAC, and others do not. As such, there was a real
- * need for a scalable subsystem that could deal with both single and
- * dual-address mode usage, in addition to interoperating with cascaded DMACs.
- *
- * There really isn't any reason why this needs to be SH specific, though I'm
- * not aware of too many other processors (with the exception of some MIPS)
- * that have the same concept of a dual address mode, or any real desire to
- * actually make use of the DMAC even if such a subsystem were exposed
- * elsewhere.
- *
- * The idea for this was derived from the ARM port, which acted as an excellent
- * reference when trying to address these issues.
- *
- * It should also be noted that the decision to add Yet Another DMA API(tm) to
- * the kernel wasn't made easily, and was only decided upon after conferring
- * with jejb with regards to the state of the old and new APIs as they applied
- * to these circumstances. Philip Blundell was also a great help in figuring
- * out some single-address mode DMA semantics that were otherwise rather
- * confusing.
- */
 struct dma_info *get_dma_info(unsigned int chan)
 {
        struct dma_info *info;
-        unsigned int total = 0;
        /*
         * Look for each DMAC's range to determine who the owner of
         * the channel is.
         */
        list_for_each_entry(info, &registered_dmac_list, list) {
-                total += info->nr_channels;
+                if ((chan <  info->first_channel_nr) ||
-                if (chan > total)
+                    (chan >= info->first_channel_nr + info->nr_channels))
                        continue;
                return info;
@@ -73,6 +39,22 @@ struct dma_info *get_dma_info(unsigned int chan)
        return NULL;
 }
+EXPORT_SYMBOL(get_dma_info);
+struct dma_info *get_dma_info_by_name(const char *dmac_name)
+{
+        struct dma_info *info;
+        list_for_each_entry(info, &registered_dmac_list, list) {
+                if (dmac_name && (strcmp(dmac_name, info->name) != 0))
+                        continue;
+                else
+                        return info;
+        }
+        return NULL;
+}
+EXPORT_SYMBOL(get_dma_info_by_name);
 static unsigned int get_nr_channels(void)
 {
@@ -91,63 +73,161 @@ static unsigned int get_nr_channels(void)
 struct dma_channel *get_dma_channel(unsigned int chan)
 {
        struct dma_info *info = get_dma_info(chan);
+        struct dma_channel *channel;
+        int i;
-        if (!info)
+        if (unlikely(!info))
                return ERR_PTR(-EINVAL);
-        return info->channels + chan;
+        for (i = 0; i < info->nr_channels; i++) {
+                channel = &info->channels[i];
+                if (channel->chan == chan)
+                        return channel;
+        }
+        return NULL;
 }
+EXPORT_SYMBOL(get_dma_channel);
 int get_dma_residue(unsigned int chan)
 {
        struct dma_info *info = get_dma_info(chan);
-        struct dma_channel *channel = &info->channels[chan];
+        struct dma_channel *channel = get_dma_channel(chan);
        if (info->ops->get_residue)
                return info->ops->get_residue(channel);
        return 0;
 }
+EXPORT_SYMBOL(get_dma_residue);
-int request_dma(unsigned int chan, const char *dev_id)
+static int search_cap(const char **haystack, const char *needle)
 {
-        struct dma_info *info = get_dma_info(chan);
+        const char **p;
-        struct dma_channel *channel = &info->channels[chan];
+        for (p = haystack; *p; p++)
+                if (strcmp(*p, needle) == 0)
+                        return 1;
+        return 0;
+}
+/**
+ * request_dma_bycap - Allocate a DMA channel based on its capabilities
+ * @dmac: List of DMA controllers to search
+ * @caps: List of capabilites
+ *
+ * Search all channels of all DMA controllers to find a channel which
+ * matches the requested capabilities. The result is the channel
+ * number if a match is found, or %-ENODEV if no match is found.
+ *
+ * Note that not all DMA controllers export capabilities, in which
+ * case they can never be allocated using this API, and so
+ * request_dma() must be used specifying the channel number.
+ */
+int request_dma_bycap(const char **dmac, const char **caps, const char *dev_id)
+{
+        unsigned int found = 0;
+        struct dma_info *info;
+        const char **p;
+        int i;
+        BUG_ON(!dmac || !caps);
+        list_for_each_entry(info, &registered_dmac_list, list)
+                if (strcmp(*dmac, info->name) == 0) {
+                        found = 1;
+                        break;
+                }
+        if (!found)
+                return -ENODEV;
+        for (i = 0; i < info->nr_channels; i++) {
+                struct dma_channel *channel = &info->channels[i];
+                if (unlikely(!channel->caps))
+                        continue;
+                for (p = caps; *p; p++) {
+                        if (!search_cap(channel->caps, *p))
+                                break;
+                        if (request_dma(channel->chan, dev_id) == 0)
+                                return channel->chan;
+                }
+        }
+        return -EINVAL;
+}
+EXPORT_SYMBOL(request_dma_bycap);
+int dmac_search_free_channel(const char *dev_id)
+{
+        struct dma_channel *channel = { 0 };
+        struct dma_info *info = get_dma_info(0);
+        int i;
+        for (i = 0; i < info->nr_channels; i++) {
+                channel = &info->channels[i];
+                if (unlikely(!channel))
+                        return -ENODEV;
+                if (atomic_read(&channel->busy) == 0)
+                        break;
+        }
-        down(&channel->sem);
+        if (info->ops->request) {
+                int result = info->ops->request(channel);
+                if (result)
+                        return result;
-        if (!info->ops || chan >= MAX_DMA_CHANNELS) {
+                atomic_set(&channel->busy, 1);
-                up(&channel->sem);
+                return channel->chan;
-                return -EINVAL;
        }
-        atomic_set(&channel->busy, 1);
+        return -ENOSYS;
+}
+int request_dma(unsigned int chan, const char *dev_id)
+{
+        struct dma_channel *channel = { 0 };
+        struct dma_info *info = get_dma_info(chan);
+        int result;
+        channel = get_dma_channel(chan);
+        if (atomic_xchg(&channel->busy, 1))
+                return -EBUSY;
        strlcpy(channel->dev_id, dev_id, sizeof(channel->dev_id));
-        up(&channel->sem);
+        if (info->ops->request) {
+                result = info->ops->request(channel);
+                if (result)
+                        atomic_set(&channel->busy, 0);
-        if (info->ops->request)
+                return result;
-                return info->ops->request(channel);
+        }
        return 0;
 }
+EXPORT_SYMBOL(request_dma);
 void free_dma(unsigned int chan)
 {
        struct dma_info *info = get_dma_info(chan);
-        struct dma_channel *channel = &info->channels[chan];
+        struct dma_channel *channel = get_dma_channel(chan);
        if (info->ops->free)
                info->ops->free(channel);
        atomic_set(&channel->busy, 0);
 }
+EXPORT_SYMBOL(free_dma);
 void dma_wait_for_completion(unsigned int chan)
 {
        struct dma_info *info = get_dma_info(chan);
-        struct dma_channel *channel = &info->channels[chan];
+        struct dma_channel *channel = get_dma_channel(chan);
        if (channel->flags & DMA_TEI_CAPABLE) {
                wait_event(channel->wait_queue,
@@ -158,21 +238,52 @@ void dma_wait_for_completion(unsigned int chan)
        while (info->ops->get_residue(channel))
                cpu_relax();
 }
+EXPORT_SYMBOL(dma_wait_for_completion);
+int register_chan_caps(const char *dmac, struct dma_chan_caps *caps)
+{
+        struct dma_info *info;
+        unsigned int found = 0;
+        int i;
+        list_for_each_entry(info, &registered_dmac_list, list)
+                if (strcmp(dmac, info->name) == 0) {
+                        found = 1;
+                        break;
+                }
+        if (unlikely(!found))
+                return -ENODEV;
+        for (i = 0; i < info->nr_channels; i++, caps++) {
+                struct dma_channel *channel;
+                if ((info->first_channel_nr + i) != caps->ch_num)
+                        return -EINVAL;
+                channel = &info->channels[i];
+                channel->caps = caps->caplist;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(register_chan_caps);
 void dma_configure_channel(unsigned int chan, unsigned long flags)
 {
        struct dma_info *info = get_dma_info(chan);
-        struct dma_channel *channel = &info->channels[chan];
+        struct dma_channel *channel = get_dma_channel(chan);
        if (info->ops->configure)
                info->ops->configure(channel, flags);
 }
+EXPORT_SYMBOL(dma_configure_channel);
 int dma_xfer(unsigned int chan, unsigned long from,
             unsigned long to, size_t size, unsigned int mode)
 {
        struct dma_info *info = get_dma_info(chan);
-        struct dma_channel *channel = &info->channels[chan];
+        struct dma_channel *channel = get_dma_channel(chan);
        channel->sar    = from;
        channel->dar    = to;
@@ -181,8 +292,20 @@ int dma_xfer(unsigned int chan, unsigned long from,
        return info->ops->xfer(channel);
 }
+EXPORT_SYMBOL(dma_xfer);
+int dma_extend(unsigned int chan, unsigned long op, void *param)
+{
+        struct dma_info *info = get_dma_info(chan);
+        struct dma_channel *channel = get_dma_channel(chan);
+        if (info->ops->extend)
+                return info->ops->extend(channel, op, param);
+        return -ENOSYS;
+}
+EXPORT_SYMBOL(dma_extend);
-#ifdef CONFIG_PROC_FS
 static int dma_read_proc(char *buf, char **start, off_t off,
                         int len, int *eof, void *data)
 {
@@ -214,8 +337,6 @@ static int dma_read_proc(char *buf, char **start, off_t off,
        return p - buf;
 }
-#endif
 int register_dmac(struct dma_info *info)
 {
@@ -224,8 +345,7 @@ int register_dmac(struct dma_info *info)
        INIT_LIST_HEAD(&info->list);
        printk(KERN_INFO "DMA: Registering %s handler (%d channel%s).\n",
-               info->name, info->nr_channels,
+               info->name, info->nr_channels, info->nr_channels > 1 ? "s" : "");
-               info->nr_channels > 1 ? "s" : "");
        BUG_ON((info->flags & DMAC_CHANNELS_CONFIGURED) && !info->channels);
@@ -242,28 +362,26 @@ int register_dmac(struct dma_info *info)
                size = sizeof(struct dma_channel) * info->nr_channels;
-                info->channels = kmalloc(size, GFP_KERNEL);
+                info->channels = kzalloc(size, GFP_KERNEL);
                if (!info->channels)
                        return -ENOMEM;
-                memset(info->channels, 0, size);
        }
        total_channels = get_nr_channels();
        for (i = 0; i < info->nr_channels; i++) {
-                struct dma_channel *chan = info->channels + i;
+                struct dma_channel *chan = &info->channels[i];
+                atomic_set(&chan->busy, 0);
-                chan->chan = i;
+                chan->chan  = info->first_channel_nr + i;
-                chan->vchan = i + total_channels;
+                chan->vchan = info->first_channel_nr + i + total_channels;
                memcpy(chan->dev_id, "Unused", 7);
                if (info->flags & DMAC_CHANNELS_TEI_CAPABLE)
                        chan->flags |= DMA_TEI_CAPABLE;
-                init_MUTEX(&chan->sem);
                init_waitqueue_head(&chan->wait_queue);
                dma_create_sysfs_files(chan, info);
        }
@@ -271,6 +389,7 @@ int register_dmac(struct dma_info *info)
        return 0;
 }
+EXPORT_SYMBOL(register_dmac);
 void unregister_dmac(struct dma_info *info)
 {
@@ -285,31 +404,16 @@ void unregister_dmac(struct dma_info *info)
        list_del(&info->list);
        platform_device_unregister(info->pdev);
 }
+EXPORT_SYMBOL(unregister_dmac);
 static int __init dma_api_init(void)
 {
-        printk("DMA: Registering DMA API.\n");
+        printk(KERN_NOTICE "DMA: Registering DMA API.\n");
-#ifdef CONFIG_PROC_FS
        create_proc_read_entry("dma", 0, 0, dma_read_proc, 0);
-#endif
        return 0;
 }
 subsys_initcall(dma_api_init);
 MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>");
 MODULE_DESCRIPTION("DMA API for SuperH");
 MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(request_dma);
-EXPORT_SYMBOL(free_dma);
-EXPORT_SYMBOL(register_dmac);
-EXPORT_SYMBOL(get_dma_residue);
-EXPORT_SYMBOL(get_dma_info);
-EXPORT_SYMBOL(get_dma_channel);
-EXPORT_SYMBOL(dma_xfer);
-EXPORT_SYMBOL(dma_wait_for_completion);
-EXPORT_SYMBOL(dma_configure_channel);
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 660786013350..f63721ed86c2 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -94,20 +94,13 @@ static int sh_dmac_request_dma(struct dma_channel *chan)
        if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
                return 0;
-        chan->name = kzalloc(32, GFP_KERNEL);
-        if (unlikely(chan->name == NULL))
-                return -ENOMEM;
-        snprintf(chan->name, 32, "DMAC Transfer End (Channel %d)",
-                 chan->chan);
        return request_irq(get_dmte_irq(chan->chan), dma_tei,
-                           IRQF_DISABLED, chan->name, chan);
+                           IRQF_DISABLED, chan->dev_id, chan);
 }
 static void sh_dmac_free_dma(struct dma_channel *chan)
 {
        free_irq(get_dmte_irq(chan->chan), chan);
-        kfree(chan->name);
 }
 static void
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c
index 29b8ef9873d1..eebcd4768bbf 100644
--- a/arch/sh/drivers/dma/dma-sysfs.c
+++ b/arch/sh/drivers/dma/dma-sysfs.c
@@ -3,7 +3,7 @@
 *
 * sysfs interface for SH DMA API
 *
- * Copyright (C) 2004, 2005  Paul Mundt
+ * Copyright (C) 2004 - 2006  Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
@@ -21,7 +21,6 @@
 static struct sysdev_class dma_sysclass = {
        set_kset_name("dma"),
 };
 EXPORT_SYMBOL(dma_sysclass);
 static ssize_t dma_show_devices(struct sys_device *dev, char *buf)
@@ -31,7 +30,10 @@ static ssize_t dma_show_devices(struct sys_device *dev, char *buf)
        for (i = 0; i < MAX_DMA_CHANNELS; i++) {
                struct dma_info *info = get_dma_info(i);
-                struct dma_channel *channel = &info->channels[i];
+                struct dma_channel *channel = get_dma_channel(i);
+                if (unlikely(!info) || !channel)
+                        continue;
                len += sprintf(buf + len, "%2d: %14s    %s\n",
                               channel->chan, info->name,
@@ -125,11 +127,16 @@ int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info)
        if (ret)
                return ret;
-        sysdev_create_file(dev, &attr_dev_id);
+        ret |= sysdev_create_file(dev, &attr_dev_id);
-        sysdev_create_file(dev, &attr_count);
+        ret |= sysdev_create_file(dev, &attr_count);
-        sysdev_create_file(dev, &attr_mode);
+        ret |= sysdev_create_file(dev, &attr_mode);
-        sysdev_create_file(dev, &attr_flags);
+        ret |= sysdev_create_file(dev, &attr_flags);
-        sysdev_create_file(dev, &attr_config);
+        ret |= sysdev_create_file(dev, &attr_config);
+        if (unlikely(ret)) {
+                dev_err(&info->pdev->dev, "Failed creating attrs\n");
+                return ret;
+        }
        snprintf(name, sizeof(name), "dma%d", chan->chan);
        return sysfs_create_link(&info->pdev->dev.kobj, &dev->kobj, name);
diff --git a/arch/sh/drivers/pci/ops-titan.c b/arch/sh/drivers/pci/ops-titan.c
index cd56d53375e7..ac8ee2312cd8 100644
--- a/arch/sh/drivers/pci/ops-titan.c
+++ b/arch/sh/drivers/pci/ops-titan.c
@@ -15,25 +15,21 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/titan.h>
 #include "pci-sh4.h"
+static char titan_irq_tab[] __initdata = {
+        TITAN_IRQ_WAN,
+        TITAN_IRQ_LAN,
+        TITAN_IRQ_MPCIA,
+        TITAN_IRQ_MPCIB,
+        TITAN_IRQ_USB,
+};
 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
-        int irq = -1;
+        int irq = titan_irq_tab[slot];
-        switch (slot) {
-        case 0: irq = TITAN_IRQ_WAN;   break;   /* eth0 (WAN) */
-        case 1: irq = TITAN_IRQ_LAN;   break;   /* eth1 (LAN) */
-        case 2: irq = TITAN_IRQ_MPCIA; break;   /* mPCI A */
-        case 3: irq = TITAN_IRQ_MPCIB; break;   /* mPCI B */
-        case 4: irq = TITAN_IRQ_USB;   break;   /* USB */
-        default:
-                printk(KERN_INFO "PCI: Bad IRQ mapping "
-                                 "request for slot %d\n", slot);
-                return -1;
-        }
        printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
                slot, pin - 1 + 'A', irq);
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index d6e635296534..602b644c35ad 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -22,6 +22,20 @@
 #include <linux/delay.h>
 #include "pci-sh4.h"
+#define INTC_BASE       0xffd00000
+#define INTC_ICR0       (INTC_BASE+0x0)
+#define INTC_ICR1       (INTC_BASE+0x1c)
+#define INTC_INTPRI     (INTC_BASE+0x10)
+#define INTC_INTREQ     (INTC_BASE+0x24)
+#define INTC_INTMSK0    (INTC_BASE+0x44)
+#define INTC_INTMSK1    (INTC_BASE+0x48)
+#define INTC_INTMSK2    (INTC_BASE+0x40080)
+#define INTC_INTMSKCLR0 (INTC_BASE+0x64)
+#define INTC_INTMSKCLR1 (INTC_BASE+0x68)
+#define INTC_INTMSKCLR2 (INTC_BASE+0x40084)
+#define INTC_INT2MSKR   (INTC_BASE+0x40038)
+#define INTC_INT2MSKCR  (INTC_BASE+0x4003c)
 /*
 * Initialization. Try all known PCI access methods. Note that we support
 * using both PCI BIOS and direct access: in such cases, we use I/O ports
diff --git a/arch/sh/drivers/push-switch.c b/arch/sh/drivers/push-switch.c
new file mode 100644
index 000000000000..f2b9157c314f
--- /dev/null
+++ b/arch/sh/drivers/push-switch.c
@@ -0,0 +1,138 @@
+/*
+ * Generic push-switch framework
+ *
+ * Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <asm/push-switch.h>
+#define DRV_NAME "push-switch"
+#define DRV_VERSION "0.1.0"
+static ssize_t switch_show(struct device *dev,
+                           struct device_attribute *attr,
+                           char *buf)
+{
+        struct push_switch_platform_info *psw_info = dev->platform_data;
+        return sprintf(buf, "%s\n", psw_info->name);
+}
+static DEVICE_ATTR(switch, S_IRUGO, switch_show, NULL);
+static void switch_timer(unsigned long data)
+{
+        struct push_switch *psw = (struct push_switch *)data;
+        schedule_work(&psw->work);
+}
+static void switch_work_handler(void *data)
+{
+        struct platform_device *pdev = data;
+        struct push_switch *psw = platform_get_drvdata(pdev);
+        psw->state = 0;
+        kobject_uevent(&pdev->dev.kobj, KOBJ_CHANGE);
+}
+static int switch_drv_probe(struct platform_device *pdev)
+{
+        struct push_switch_platform_info *psw_info;
+        struct push_switch *psw;
+        int ret, irq;
+        psw = kzalloc(sizeof(struct push_switch), GFP_KERNEL);
+        if (unlikely(!psw))
+                return -ENOMEM;
+        irq = platform_get_irq(pdev, 0);
+        if (unlikely(irq < 0)) {
+                ret = -ENODEV;
+                goto err;
+        }
+        psw_info = pdev->dev.platform_data;
+        BUG_ON(!psw_info);
+        ret = request_irq(irq, psw_info->irq_handler,
+                          IRQF_DISABLED | psw_info->irq_flags,
+                          psw_info->name ? psw_info->name : DRV_NAME, pdev);
+        if (unlikely(ret < 0))
+                goto err;
+        if (psw_info->name) {
+                ret = device_create_file(&pdev->dev, &dev_attr_switch);
+                if (unlikely(ret)) {
+                        dev_err(&pdev->dev, "Failed creating device attrs\n");
+                        ret = -EINVAL;
+                        goto err_irq;
+                }
+        }
+        INIT_WORK(&psw->work, switch_work_handler, pdev);
+        init_timer(&psw->debounce);
+        psw->debounce.function = switch_timer;
+        psw->debounce.data = (unsigned long)psw;
+        platform_set_drvdata(pdev, psw);
+        return 0;
+err_irq:
+        free_irq(irq, pdev);
+err:
+        kfree(psw);
+        return ret;
+}
+static int switch_drv_remove(struct platform_device *pdev)
+{
+        struct push_switch *psw = platform_get_drvdata(pdev);
+        struct push_switch_platform_info *psw_info = pdev->dev.platform_data;
+        int irq = platform_get_irq(pdev, 0);
+        if (psw_info->name)
+                device_remove_file(&pdev->dev, &dev_attr_switch);
+        platform_set_drvdata(pdev, NULL);
+        flush_scheduled_work();
+        del_timer_sync(&psw->debounce);
+        free_irq(irq, pdev);
+        kfree(psw);
+        return 0;
+}
+static struct platform_driver switch_driver = {
+        .probe          = switch_drv_probe,
+        .remove         = switch_drv_remove,
+        .driver         = {
+                .name   = DRV_NAME,
+        },
+};
+static int __init switch_init(void)
+{
+        printk(KERN_NOTICE DRV_NAME ": version %s loaded\n", DRV_VERSION);
+        return platform_driver_register(&switch_driver);
+}
+static void __exit switch_exit(void)
+{
+        platform_driver_unregister(&switch_driver);
+}
+module_init(switch_init);
+module_exit(switch_exit);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR("Paul Mundt");
+MODULE_LICENSE("GPLv2");
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 5da88a43d350..99c7e5249f7a 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -4,7 +4,7 @@
 extra-y := head.o init_task.o vmlinux.lds
-obj-y   := process.o signal.o entry.o traps.o irq.o \
+obj-y   := process.o signal.o traps.o irq.o \
        ptrace.o setup.o time.o sys_sh.o semaphore.o \
        io.o io_generic.o sh_ksyms.o syscalls.o
@@ -21,3 +21,4 @@ obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_APM)               += apm.o
 obj-$(CONFIG_PM)                += pm.o
+obj-$(CONFIG_STACKTRACE)        += stacktrace.o
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index fb5dac069382..0582e6712b79 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -2,11 +2,12 @@
 # Makefile for the Linux/SuperH CPU-specifc backends.
 #
-obj-y   += irq/ init.o clock.o
+obj-$(CONFIG_CPU_SH2)           = sh2/
+obj-$(CONFIG_CPU_SH2A)          = sh2a/
-obj-$(CONFIG_CPU_SH2)           += sh2/
+obj-$(CONFIG_CPU_SH3)           = sh3/
-obj-$(CONFIG_CPU_SH3)           += sh3/
+obj-$(CONFIG_CPU_SH4)           = sh4/
-obj-$(CONFIG_CPU_SH4)           += sh4/
 obj-$(CONFIG_UBC_WAKEUP)        += ubc.o
 obj-$(CONFIG_SH_ADC)            += adc.o
+obj-y   += irq/ init.o clock.o
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 51ec64cdf348..abb586b12565 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -5,9 +5,11 @@
 *
 * This clock framework is derived from the OMAP version by:
 *
- *      Copyright (C) 2004 Nokia Corporation
+ *      Copyright (C) 2004 - 2005 Nokia Corporation
 *      Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
 *
+ *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
+ *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
@@ -20,6 +22,7 @@
 #include <linux/kref.h>
 #include <linux/seq_file.h>
 #include <linux/err.h>
+#include <linux/platform_device.h>
 #include <asm/clock.h>
 #include <asm/timer.h>
@@ -195,17 +198,37 @@ void clk_recalc_rate(struct clk *clk)
                propagate_rate(clk);
 }
-struct clk *clk_get(const char *id)
+/*
+ * Returns a clock. Note that we first try to use device id on the bus
+ * and clock name. If this fails, we try to use clock name only.
+ */
+struct clk *clk_get(struct device *dev, const char *id)
 {
        struct clk *p, *clk = ERR_PTR(-ENOENT);
+        int idno;
+        if (dev == NULL || dev->bus != &platform_bus_type)
+                idno = -1;
+        else
+                idno = to_platform_device(dev)->id;
        mutex_lock(&clock_list_sem);
        list_for_each_entry(p, &clock_list, node) {
+                if (p->id == idno &&
+                    strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+                        clk = p;
+                        goto found;
+                }
+        }
+        list_for_each_entry(p, &clock_list, node) {
                if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
                        clk = p;
                        break;
                }
        }
+found:
        mutex_unlock(&clock_list_sem);
        return clk;
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index bfb90eb0b7a6..48121766e8d2 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -68,12 +68,14 @@ static void __init cache_init(void)
                waysize = cpu_data->dcache.sets;
+#ifdef CCR_CACHE_ORA
                /*
                 * If the OC is already in RAM mode, we only have
                 * half of the entries to flush..
                 */
                if (ccr & CCR_CACHE_ORA)
                        waysize >>= 1;
+#endif
                waysize <<= cpu_data->dcache.entry_shift;
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 1c034c283f59..0049d217561a 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -1,8 +1,9 @@
 #
 # Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
 #
-obj-y   += ipr.o imask.o
+obj-y   += imask.o
+obj-$(CONFIG_CPU_HAS_IPR_IRQ)           += ipr.o
 obj-$(CONFIG_CPU_HAS_PINT_IRQ)          += pint.o
 obj-$(CONFIG_CPU_HAS_MASKREG_IRQ)       += maskreg.o
 obj-$(CONFIG_CPU_HAS_INTC2_IRQ)         += intc2.o
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index a33ae3e0a5a5..301b505c4278 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -53,7 +53,10 @@ void static inline set_interrupt_registers(int ip)
 {
        unsigned long __dummy;
-        asm volatile("ldc       %2, r6_bank\n\t"
+        asm volatile(
+#ifdef CONFIG_CPU_HAS_SR_RB
+                     "ldc       %2, r6_bank\n\t"
+#endif
                     "stc       sr, %0\n\t"
                     "and       #0xf0, %0\n\t"
                     "shlr2     %0\n\t"
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index 74ca576a7ce5..74defe76a058 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -11,22 +11,29 @@
 * Hitachi 7751, the STM ST40 STB1, SH7760, and SH7780.
 */
 #include <linux/kernel.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/io.h>
-#include <asm/system.h>
+#if defined(CONFIG_CPU_SUBTYPE_SH7760)
+#define INTC2_BASE      0xfe080000
+#define INTC2_INTMSK    (INTC2_BASE + 0x40)
+#define INTC2_INTMSKCLR (INTC2_BASE + 0x60)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+#define INTC2_BASE      0xffd40000
+#define INTC2_INTMSK    (INTC2_BASE + 0x38)
+#define INTC2_INTMSKCLR (INTC2_BASE + 0x3c)
+#endif
 static void disable_intc2_irq(unsigned int irq)
 {
        struct intc2_data *p = get_irq_chip_data(irq);
-        ctrl_outl(1 << p->msk_shift,
+        ctrl_outl(1 << p->msk_shift, INTC2_INTMSK + p->msk_offset);
-                  INTC2_BASE + INTC2_INTMSK_OFFSET + p->msk_offset);
 }
 static void enable_intc2_irq(unsigned int irq)
 {
        struct intc2_data *p = get_irq_chip_data(irq);
-        ctrl_outl(1 << p->msk_shift,
+        ctrl_outl(1 << p->msk_shift, INTC2_INTMSKCLR + p->msk_offset);
-                  INTC2_BASE + INTC2_INTMSKCLR_OFFSET + p->msk_offset);
 }
 static struct irq_chip intc2_irq_chip = {
@@ -61,12 +68,10 @@ void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs)
                /* Set the priority level */
                local_irq_save(flags);
-                ipr = ctrl_inl(INTC2_BASE + INTC2_INTPRI_OFFSET +
+                ipr = ctrl_inl(INTC2_BASE + p->ipr_offset);
-                               p->ipr_offset);
                ipr &= ~(0xf << p->ipr_shift);
                ipr |= p->priority << p->ipr_shift;
-                ctrl_outl(ipr, INTC2_BASE + INTC2_INTPRI_OFFSET +
+                ctrl_outl(ipr, INTC2_BASE + p->ipr_offset);
-                          p->ipr_offset);
                local_irq_restore(flags);
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index a0089563cbfc..35eb5751a3aa 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -19,25 +19,21 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/module.h>
-#include <asm/system.h>
+#include <linux/io.h>
-#include <asm/io.h>
+#include <linux/interrupt.h>
-#include <asm/machvec.h>
 static void disable_ipr_irq(unsigned int irq)
 {
        struct ipr_data *p = get_irq_chip_data(irq);
-        int shift = p->shift*4;
        /* Set the priority in IPR to 0 */
-        ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << shift)), p->addr);
+        ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr);
 }
 static void enable_ipr_irq(unsigned int irq)
 {
        struct ipr_data *p = get_irq_chip_data(irq);
-        int shift = p->shift*4;
        /* Set priority in IPR back to original value */
-        ctrl_outw(ctrl_inw(p->addr) | (p->priority << shift), p->addr);
+        ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr);
 }
 static struct irq_chip ipr_irq_chip = {
@@ -53,6 +49,10 @@ void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
        for (i = 0; i < nr_irqs; i++) {
                unsigned int irq = table[i].irq;
+                table[i].addr = map_ipridx_to_addr(table[i].ipr_idx);
+                /* could the IPR index be mapped, if not we ignore this */
+                if (table[i].addr == 0)
+                        continue;
                disable_irq_nosync(irq);
                set_irq_chip_and_handler_name(irq, &ipr_irq_chip,
                                      handle_level_irq, "level");
@@ -62,83 +62,6 @@ void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
 }
 EXPORT_SYMBOL(make_ipr_irq);
-static struct ipr_data sys_ipr_map[] = {
-#ifndef CONFIG_CPU_SUBTYPE_SH7780
-        { TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY },
-        { TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY },
-#ifdef RTC_IRQ
-        { RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY },
-#endif
-#ifdef SCI_ERI_IRQ
-        { SCI_ERI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-        { SCI_RXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-        { SCI_TXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-#endif
-#ifdef SCIF1_ERI_IRQ
-        { SCIF1_ERI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-        { SCIF1_RXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-        { SCIF1_BRI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-        { SCIF1_TXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-#endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7300)
-        { SCIF0_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
-        { DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
-        { DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
-        { VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
-#endif
-#ifdef SCIF_ERI_IRQ
-        { SCIF_ERI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-        { SCIF_RXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-        { SCIF_BRI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-        { SCIF_TXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-#endif
-#ifdef IRDA_ERI_IRQ
-        { IRDA_ERI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-        { IRDA_RXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-        { IRDA_BRI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-        { IRDA_TXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-#endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7706) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
-        /*
-         * Initialize the Interrupt Controller (INTC)
-         * registers to their power on values
-         */
-        /*
-         * Enable external irq (INTC IRQ mode).
-         * You should set corresponding bits of PFC to "00"
-         * to enable these interrupts.
-         */
-        { IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, IRQ0_PRIORITY },
-        { IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY },
-        { IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY },
-        { IRQ3_IRQ, IRQ3_IPR_ADDR, IRQ3_IPR_POS, IRQ3_PRIORITY },
-        { IRQ4_IRQ, IRQ4_IPR_ADDR, IRQ4_IPR_POS, IRQ4_PRIORITY },
-        { IRQ5_IRQ, IRQ5_IPR_ADDR, IRQ5_IPR_POS, IRQ5_PRIORITY },
-#endif
-#endif
-};
-void __init init_IRQ(void)
-{
-        make_ipr_irq(sys_ipr_map, ARRAY_SIZE(sys_ipr_map));
-#ifdef CONFIG_CPU_HAS_PINT_IRQ
-        init_IRQ_pint();
-#endif
-#ifdef CONFIG_CPU_HAS_INTC2_IRQ
-        init_IRQ_intc2();
-#endif
-        /* Perform the machine specific initialisation */
-        if (sh_mv.mv_init_irq != NULL)
-                sh_mv.mv_init_irq();
-        irq_ctx_init(smp_processor_id());
-}
 #if !defined(CONFIG_CPU_HAS_PINT_IRQ)
 int ipr_irq_demux(int irq)
 {
diff --git a/arch/sh/kernel/cpu/sh2/Makefile b/arch/sh/kernel/cpu/sh2/Makefile
index 389353fba608..f0f059acfcfb 100644
--- a/arch/sh/kernel/cpu/sh2/Makefile
+++ b/arch/sh/kernel/cpu/sh2/Makefile
@@ -2,5 +2,6 @@
 # Makefile for the Linux/SuperH SH-2 backends.
 #
-obj-y   := probe.o
+obj-y   := ex.o probe.o entry.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7619) += setup-sh7619.o clock-sh7619.o
diff --git a/arch/sh/kernel/cpu/sh2/clock-sh7619.c b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
new file mode 100644
index 000000000000..d0440b269702
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
@@ -0,0 +1,81 @@
+/*
+ * arch/sh/kernel/cpu/sh2/clock-sh7619.c
+ *
+ * SH7619 support for the clock framework
+ *
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * Based on clock-sh4.c
+ *  Copyright (C) 2005  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+const static int pll1rate[]={1,2};
+const static int pfc_divisors[]={1,2,0,4};
+#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2)
+#define PLL2 (4)
+#elif (CONFIG_SH_CLK_MD == 5) || (CONFIG_SH_CLK_MD == 6)
+#define PLL2 (2)
+#else
+#error "Illigal Clock Mode!"
+#endif
+static void master_clk_init(struct clk *clk)
+{
+        clk->rate *= PLL2 * pll1rate[(ctrl_inw(FREQCR) >> 8) & 7];
+}
+static struct clk_ops sh7619_master_clk_ops = {
+        .init           = master_clk_init,
+};
+static void module_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inw(FREQCR) & 0x0007);
+        clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+static struct clk_ops sh7619_module_clk_ops = {
+        .recalc         = module_clk_recalc,
+};
+static void bus_clk_recalc(struct clk *clk)
+{
+        clk->rate = clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 7];
+}
+static struct clk_ops sh7619_bus_clk_ops = {
+        .recalc         = bus_clk_recalc,
+};
+static void cpu_clk_recalc(struct clk *clk)
+{
+        clk->rate = clk->parent->rate;
+}
+static struct clk_ops sh7619_cpu_clk_ops = {
+        .recalc         = cpu_clk_recalc,
+};
+static struct clk_ops *sh7619_clk_ops[] = {
+        &sh7619_master_clk_ops,
+        &sh7619_module_clk_ops,
+        &sh7619_bus_clk_ops,
+        &sh7619_cpu_clk_ops,
+};
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+        if (idx < ARRAY_SIZE(sh7619_clk_ops))
+                *ops = sh7619_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
new file mode 100644
index 000000000000..34d51b3745ea
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -0,0 +1,341 @@
+/*
+ * arch/sh/kernel/cpu/sh2/entry.S
+ *
+ * The SH-2 exception entry
+ *
+ * Copyright (C) 2005,2006 Yoshinori Sato
+ * Copyright (C) 2005  AXE,Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread_info.h>
+#include <asm/cpu/mmu_context.h>
+#include <asm/unistd.h>
+#include <asm/errno.h>
+#include <asm/page.h>
+        
+/* Offsets to the stack */
+OFF_R0  =  0            /* Return value. New ABI also arg4 */
+OFF_R1  =  4            /* New ABI: arg5 */
+OFF_R2  =  8            /* New ABI: arg6 */
+OFF_R3  =  12           /* New ABI: syscall_nr */
+OFF_R4  =  16           /* New ABI: arg0 */
+OFF_R5  =  20           /* New ABI: arg1 */
+OFF_R6  =  24           /* New ABI: arg2 */
+OFF_R7  =  28           /* New ABI: arg3 */
+OFF_SP  =  (15*4)
+OFF_PC  =  (16*4)
+OFF_SR  =  (16*4+2*4)
+OFF_TRA =  (16*4+6*4)
+#include <asm/entry-macros.S>
+ENTRY(exception_handler)
+        ! already saved r0/r1
+        mov.l   r2,@-sp
+        mov.l   r3,@-sp
+        mov     r0,r1
+        cli
+        mov.l   $cpu_mode,r2
+        mov.l   @r2,r0
+        mov.l   @(5*4,r15),r3   ! previous SR
+        shll2   r3              ! set "S" flag
+        rotl    r0              ! T <- "S" flag
+        rotl    r0              ! "S" flag is LSB
+        rotcr   r3              ! T -> r3:b30
+        shlr    r3
+        shlr    r0
+        bt/s    1f
+         mov.l  r3,@(5*4,r15)   ! copy cpu mode to SR
+        ! switch to kernel mode
+        mov     #1,r0
+        rotr    r0
+        rotr    r0
+        mov.l   r0,@r2          ! enter kernel mode
+        mov.l   $current_thread_info,r2
+        mov.l   @r2,r2
+        mov     #0x20,r0
+        shll8   r0
+        add     r2,r0
+        mov     r15,r2          ! r2 = user stack top
+        mov     r0,r15          ! switch kernel stack
+        add     #-4,r15         ! dummy
+        mov.l   r1,@-r15        ! TRA
+        sts.l   macl, @-r15
+        sts.l   mach, @-r15
+        stc.l   gbr, @-r15
+        mov.l   @(4*4,r2),r0
+        mov.l   @(5*4,r2),r1
+        mov.l   r1,@-r15        ! original SR
+        sts.l   pr,@-r15
+        mov.l   r0,@-r15        ! original PC
+        mov     r2,r3
+        add     #(4+2)*4,r3     ! rewind r0 - r3 + exception frame
+        mov.l   r3,@-r15        ! original SP
+        mov.l   r14,@-r15
+        mov.l   r13,@-r15
+        mov.l   r12,@-r15
+        mov.l   r11,@-r15
+        mov.l   r10,@-r15
+        mov.l   r9,@-r15
+        mov.l   r8,@-r15
+        mov.l   r7,@-r15
+        mov.l   r6,@-r15
+        mov.l   r5,@-r15
+        mov.l   r4,@-r15
+        mov     r2,r8           ! copy user -> kernel stack
+        mov.l   @r8+,r3
+        mov.l   r3,@-r15
+        mov.l   @r8+,r2
+        mov.l   r2,@-r15
+        mov.l   @r8+,r1
+        mov.l   r1,@-r15
+        mov.l   @r8+,r0
+        bra     2f
+         mov.l  r0,@-r15
+1:
+        ! in kernel exception
+        mov     #(22-4-4-1)*4+4,r0
+        mov     r15,r2
+        sub     r0,r15
+        mov.l   @r2+,r0         ! old R3
+        mov.l   r0,@-r15        
+        mov.l   @r2+,r0         ! old R2
+        mov.l   r0,@-r15        
+        mov.l   @r2+,r0         ! old R1
+        mov.l   r0,@-r15        
+        mov.l   @r2+,r0         ! old R0
+        mov.l   r0,@-r15        
+        mov.l   @r2+,r3         ! old PC
+        mov.l   @r2+,r0         ! old SR
+        add     #-4,r2          ! exception frame stub (sr)
+        mov.l   r1,@-r2         ! TRA
+        sts.l   macl, @-r2
+        sts.l   mach, @-r2
+        stc.l   gbr, @-r2
+        mov.l   r0,@-r2         ! save old SR
+        sts.l   pr,@-r2
+        mov.l   r3,@-r2         ! save old PC
+        mov     r2,r0
+        add     #8*4,r0
+        mov.l   r0,@-r2         ! save old SP
+        mov.l   r14,@-r2
+        mov.l   r13,@-r2
+        mov.l   r12,@-r2
+        mov.l   r11,@-r2
+        mov.l   r10,@-r2
+        mov.l   r9,@-r2
+        mov.l   r8,@-r2
+        mov.l   r7,@-r2
+        mov.l   r6,@-r2
+        mov.l   r5,@-r2
+        mov.l   r4,@-r2
+        mov.l   @(OFF_R0,r15),r0
+        mov.l   @(OFF_R1,r15),r1
+        mov.l   @(OFF_R2,r15),r2
+        mov.l   @(OFF_R3,r15),r3
+2:
+        mov     #OFF_TRA,r8
+        add     r15,r8
+        mov.l   @r8,r9  
+        mov     #64,r8
+        cmp/hs  r8,r9
+        bt      interrupt_entry ! vec >= 64 is interrupt
+        mov     #32,r8
+        cmp/hs  r8,r9
+        bt      trap_entry      ! 64 > vec >= 32  is trap
+        mov.l   4f,r8
+        mov     r9,r4
+        shll2   r9
+        add     r9,r8
+        mov.l   @r8,r8
+        mov     #0,r9
+        cmp/eq  r9,r8
+        bf      3f
+        mov.l   8f,r8           ! unhandled exception
+3:
+        mov.l   5f,r10
+        jmp     @r8
+         lds    r10,pr
+interrupt_entry:
+        mov     r9,r4
+        mov.l   6f,r9
+        mov.l   7f,r8
+        jmp     @r8
+         lds    r9,pr
+        .align  2
+4:      .long   exception_handling_table
+5:      .long   ret_from_exception
+6:      .long   ret_from_irq
+7:      .long   do_IRQ
+8:      .long   do_exception_error
+        
+trap_entry:     
+        add     #-0x10,r9
+        shll2   r9                      ! TRA
+        mov     #OFF_TRA,r8
+        add     r15,r8
+        mov.l   r9,@r8
+        mov     r9,r8
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   5f, r9
+        jsr     @r9
+         nop
+#endif
+        sti
+        bra     system_call
+         nop
+        
+        .align  2
+1:      .long   syscall_exit
+2:      .long   break_point_trap_software
+3:      .long   NR_syscalls
+4:      .long   sys_call_table
+#ifdef CONFIG_TRACE_IRQFLAGS
+5:      .long   trace_hardirqs_on
+#endif
+#if defined(CONFIG_SH_STANDARD_BIOS)
+        /* Unwind the stack and jmp to the debug entry */
+debug_kernel_fw:
+        mov     r15,r0
+        add     #(22-4)*4-4,r0
+        ldc.l   @r0+,gbr
+        lds.l   @r0+,mach
+        lds.l   @r0+,macl
+        mov     r15,r0
+        mov.l   @(OFF_SP,r0),r1
+        mov     #OFF_SR,r2
+        mov.l   @(r0,r2),r3
+        mov.l   r3,@-r1
+        mov     #OFF_SP,r2
+        mov.l   @(r0,r2),r3
+        mov.l   r3,@-r1
+        mov     r15,r0
+        add     #(22-4)*4-8,r0
+        mov.l   1f,r2
+        mov.l   @r2,r2
+        stc     sr,r3
+        mov.l   r2,@r0
+        mov.l   r3,@r0
+        mov.l   r1,@(8,r0)      
+        mov.l   @r15+, r0
+        mov.l   @r15+, r1
+        mov.l   @r15+, r2
+        mov.l   @r15+, r3
+        mov.l   @r15+, r4
+        mov.l   @r15+, r5
+        mov.l   @r15+, r6
+        mov.l   @r15+, r7
+        mov.l   @r15+, r8
+        mov.l   @r15+, r9
+        mov.l   @r15+, r10
+        mov.l   @r15+, r11
+        mov.l   @r15+, r12
+        mov.l   @r15+, r13
+        mov.l   @r15+, r14
+        add     #8,r15
+        lds.l   @r15+, pr
+        rte
+         mov.l  @r15+,r15
+        .align  2
+1:      .long   gdb_vbr_vector
+#endif /* CONFIG_SH_STANDARD_BIOS */
+ENTRY(address_error_handler)
+        mov     r15,r4                          ! regs
+        add     #4,r4
+        mov     #OFF_PC,r0
+        mov.l   @(r0,r15),r6                    ! pc
+        mov.l   1f,r0
+        jmp     @r0
+         mov    #0,r5                           ! writeaccess is unknown
+        .align  2
+1:      .long   do_address_error
+restore_all:
+        cli
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   3f, r0
+        jsr     @r0
+         nop
+#endif
+        mov     r15,r0
+        mov.l   $cpu_mode,r2
+        mov     #OFF_SR,r3
+        mov.l   @(r0,r3),r1
+        mov.l   r1,@r2
+        shll2   r1                              ! clear MD bit
+        shlr2   r1
+        mov.l   @(OFF_SP,r0),r2
+        add     #-8,r2
+        mov.l   r2,@(OFF_SP,r0)                 ! point exception frame top
+        mov.l   r1,@(4,r2)                      ! set sr
+        mov     #OFF_PC,r3
+        mov.l   @(r0,r3),r1
+        mov.l   r1,@r2                          ! set pc
+        add     #4*16+4,r0
+        lds.l   @r0+,pr
+        add     #4,r0                           ! skip sr
+        ldc.l   @r0+,gbr
+        lds.l   @r0+,mach
+        lds.l   @r0+,macl
+        get_current_thread_info r0, r1
+        mov.l   $current_thread_info,r1
+        mov.l   r0,@r1
+        mov.l   @r15+,r0
+        mov.l   @r15+,r1
+        mov.l   @r15+,r2
+        mov.l   @r15+,r3
+        mov.l   @r15+,r4
+        mov.l   @r15+,r5
+        mov.l   @r15+,r6
+        mov.l   @r15+,r7
+        mov.l   @r15+,r8
+        mov.l   @r15+,r9
+        mov.l   @r15+,r10
+        mov.l   @r15+,r11
+        mov.l   @r15+,r12
+        mov.l   @r15+,r13
+        mov.l   @r15+,r14
+        mov.l   @r15,r15
+        rte
+         nop
+2:
+        mov.l   1f,r8
+        mov.l   2f,r9
+        jmp     @r9
+         lds    r8,pr
+        .align  2
+$current_thread_info:
+        .long   __current_thread_info
+$cpu_mode:      
+        .long   __cpu_mode
+#ifdef CONFIG_TRACE_IRQFLAGS
+3:      .long   trace_hardirqs_off
+#endif
+                
+! common exception handler
+#include "../../entry-common.S"
+        
+        .data
+! cpu operation mode 
+! bit30 = MD (compatible SH3/4)
+__cpu_mode:
+        .long   0x40000000
+                
+        .section        .bss
+__current_thread_info:
+        .long   0
+ENTRY(exception_handling_table)
+        .space  4*32
diff --git a/arch/sh/kernel/cpu/sh2/ex.S b/arch/sh/kernel/cpu/sh2/ex.S
new file mode 100644
index 000000000000..6d285af7846c
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2/ex.S
@@ -0,0 +1,46 @@
+/*
+ * arch/sh/kernel/cpu/sh2/ex.S
+ *
+ * The SH-2 exception vector table
+ *
+ * Copyright (C) 2005 Yoshinori Sato
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/linkage.h>
+!
+! convert Exception Vector to Exception Number
+!
+exception_entry:        
+no      =       0
+        .rept   256
+        mov.l   r0,@-sp
+        mov     #no,r0
+        bra     exception_trampoline
+        and     #0xff,r0
+no      =       no + 1
+        .endr
+exception_trampoline:
+        mov.l   r1,@-sp
+        mov.l   $exception_handler,r1
+        jmp     @r1
+        .align  2
+$exception_entry:
+        .long   exception_entry
+$exception_handler:
+        .long   exception_handler
+!
+! Exception Vector Base
+!
+        .align  2
+ENTRY(vbr_base)
+vector  =       0
+        .rept   256
+        .long   exception_entry + vector * 8
+vector  =       vector + 1
+        .endr
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index f17a2a0d588e..ba527d9b5024 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -17,17 +17,23 @@
 int __init detect_cpu_and_cache_system(void)
 {
-        /*
+#if defined(CONFIG_CPU_SUBTYPE_SH7604)
-         * For now, assume SH7604 .. fix this later.
-         */
        cpu_data->type                  = CPU_SH7604;
        cpu_data->dcache.ways           = 4;
-        cpu_data->dcache.way_shift      = 6;
+        cpu_data->dcache.way_incr       = (1<<10);
        cpu_data->dcache.sets           = 64;
        cpu_data->dcache.entry_shift    = 4;
        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
        cpu_data->dcache.flags          = 0;
+#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+        cpu_data->type                  = CPU_SH7619;
+        cpu_data->dcache.ways           = 4;
+        cpu_data->dcache.way_incr       = (1<<12);
+        cpu_data->dcache.sets           = 256;
+        cpu_data->dcache.entry_shift    = 4;
+        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
+        cpu_data->dcache.flags          = 0;
+#endif
        /*
         * SH-2 doesn't have separate caches
         */
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
new file mode 100644
index 000000000000..82c2d905152f
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -0,0 +1,53 @@
+/*
+ * SH7619 Setup
+ *
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+static struct plat_sci_port sci_platform_data[] = {
+        {
+                .mapbase        = 0xf8400000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 88, 89, 91, 90},
+        }, {
+                .mapbase        = 0xf8410000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 92, 93, 95, 94},
+        }, {
+                .mapbase        = 0xf8420000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 96, 97, 99, 98},
+        }, {
+                .flags = 0,
+        }
+};
+static struct platform_device sci_device = {
+        .name           = "sh-sci",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = sci_platform_data,
+        },
+};
+static struct platform_device *sh7619_devices[] __initdata = {
+        &sci_device,
+};
+static int __init sh7619_devices_setup(void)
+{
+        return platform_add_devices(sh7619_devices,
+                                    ARRAY_SIZE(sh7619_devices));
+}
+__initcall(sh7619_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
new file mode 100644
index 000000000000..350972ae9410
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for the Linux/SuperH SH-2A backends.
+#
+obj-y   := common.o probe.o
+common-y        += $(addprefix ../sh2/, ex.o)
+common-y        += $(addprefix ../sh2/, entry.o)
+obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
new file mode 100644
index 000000000000..a9ad309c6a33
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
@@ -0,0 +1,85 @@
+/*
+ * arch/sh/kernel/cpu/sh2a/clock-sh7206.c
+ *
+ * SH7206 support for the clock framework
+ *
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * Based on clock-sh4.c
+ *  Copyright (C) 2005  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+const static int pll1rate[]={1,2,3,4,6,8};
+const static int pfc_divisors[]={1,2,3,4,6,8,12};
+#define ifc_divisors pfc_divisors
+#if (CONFIG_SH_CLK_MD == 2)
+#define PLL2 (4)
+#elif (CONFIG_SH_CLK_MD == 6)
+#define PLL2 (2)
+#elif (CONFIG_SH_CLK_MD == 7)
+#define PLL2 (1)
+#else
+#error "Illigal Clock Mode!"
+#endif
+static void master_clk_init(struct clk *clk)
+{
+        clk->rate *= PLL2 * pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0007];
+}
+static struct clk_ops sh7206_master_clk_ops = {
+        .init           = master_clk_init,
+};
+static void module_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inw(FREQCR) & 0x0007);
+        clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+static struct clk_ops sh7206_module_clk_ops = {
+        .recalc         = module_clk_recalc,
+};
+static void bus_clk_recalc(struct clk *clk)
+{
+        clk->rate = clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0007];
+}
+static struct clk_ops sh7206_bus_clk_ops = {
+        .recalc         = bus_clk_recalc,
+};
+static void cpu_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inw(FREQCR) & 0x0007);
+        clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+static struct clk_ops sh7206_cpu_clk_ops = {
+        .recalc         = cpu_clk_recalc,
+};
+static struct clk_ops *sh7206_clk_ops[] = {
+        &sh7206_master_clk_ops,
+        &sh7206_module_clk_ops,
+        &sh7206_bus_clk_ops,
+        &sh7206_cpu_clk_ops,
+};
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+        if (idx < ARRAY_SIZE(sh7206_clk_ops))
+                *ops = sh7206_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
new file mode 100644
index 000000000000..87c6c0542089
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -0,0 +1,39 @@
+/*
+ * arch/sh/kernel/cpu/sh2a/probe.c
+ *
+ * CPU Subtype Probing for SH-2A.
+ *
+ * Copyright (C) 2004, 2005 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+int __init detect_cpu_and_cache_system(void)
+{
+        /* Just SH7206 for now .. */
+        cpu_data->type                  = CPU_SH7206;
+        cpu_data->dcache.ways           = 4;
+        cpu_data->dcache.way_incr       = (1 << 11);
+        cpu_data->dcache.sets           = 128;
+        cpu_data->dcache.entry_shift    = 4;
+        cpu_data->dcache.linesz         = L1_CACHE_BYTES;
+        cpu_data->dcache.flags          = 0;
+        /*
+         * The icache is the same as the dcache as far as this setup is
+         * concerned. The only real difference in hardware is that the icache
+         * lacks the U bit that the dcache has, none of this has any bearing
+         * on the cache info.
+         */
+        cpu_data->icache                = cpu_data->dcache;
+        return 0;
+}
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
new file mode 100644
index 000000000000..cdfeef49e62e
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -0,0 +1,58 @@
+/*
+ * SH7206 Setup
+ *
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+static struct plat_sci_port sci_platform_data[] = {
+        {
+                .mapbase        = 0xfffe8000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 240, 241, 242, 243},
+        }, {
+                .mapbase        = 0xfffe8800,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 244, 245, 246, 247},
+        }, {
+                .mapbase        = 0xfffe9000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 248, 249, 250, 251},
+        }, {
+                .mapbase        = 0xfffe9800,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 252, 253, 254, 255},
+        }, {
+                .flags = 0,
+        }
+};
+static struct platform_device sci_device = {
+        .name           = "sh-sci",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = sci_platform_data,
+        },
+};
+static struct platform_device *sh7206_devices[] __initdata = {
+        &sci_device,
+};
+static int __init sh7206_devices_setup(void)
+{
+        return platform_add_devices(sh7206_devices,
+                                    ARRAY_SIZE(sh7206_devices));
+}
+__initcall(sh7206_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 58d3815695ff..83905e4e4387 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the Linux/SuperH SH-3 backends.
 #
-obj-y   := ex.o probe.o
+obj-y   := ex.o probe.o entry.o
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7705)        += setup-sh7705.o
diff --git a/arch/sh/kernel/cpu/sh3/clock-sh7709.c b/arch/sh/kernel/cpu/sh3/clock-sh7709.c
index 10461a745e5f..b791a29fdb62 100644
--- a/arch/sh/kernel/cpu/sh3/clock-sh7709.c
+++ b/arch/sh/kernel/cpu/sh3/clock-sh7709.c
@@ -24,7 +24,7 @@ static int pfc_divisors[]    = { 1, 2, 4, 1, 3, 6, 1, 1 };
 static void set_bus_parent(struct clk *clk)
 {
-        struct clk *bus_clk = clk_get("bus_clk");
+        struct clk *bus_clk = clk_get(NULL, "bus_clk");
        clk->parent = bus_clk;
        clk_put(bus_clk);
 }
diff --git a/arch/sh/kernel/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 39aaefb2d83f..8c0dc2700c69 100644
--- a/arch/sh/kernel/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/sh/entry.S
+ * arch/sh/kernel/entry.S
 *
 *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
 *  Copyright (C) 2003 - 2006  Paul Mundt
@@ -7,15 +7,16 @@
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
- *
 */
 #include <linux/sys.h>
 #include <linux/errno.h>
 #include <linux/linkage.h>
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
-#include <asm/cpu/mmu_context.h>
 #include <asm/unistd.h>
+#include <asm/cpu/mmu_context.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
 ! NOTE:
 ! GNU as (as of 2.9.1) changes bf/s into bt/s and bra, when the address
@@ -81,6 +82,8 @@ OFF_TRA	=  (16*4+6*4)
 #define k_g_imask       r6_bank /* r6_bank1 */
 #define current         r7      /* r7_bank1 */
+#include <asm/entry-macros.S>
+        
 /*
 * Kernel mode register usage:
 *      k0      scratch
@@ -107,26 +110,6 @@ OFF_TRA	=  (16*4+6*4)
 ! this first version depends *much* on C implementation.
 !
-#define CLI()                           \
-        stc     sr, r0;                 \
-        or      #0xf0, r0;              \
-        ldc     r0, sr
-#define STI()                           \
-        mov.l   __INV_IMASK, r11;       \
-        stc     sr, r10;                \
-        and     r11, r10;               \
-        stc     k_g_imask, r11;         \
-        or      r11, r10;               \
-        ldc     r10, sr
-#if defined(CONFIG_PREEMPT)
-#  define preempt_stop()        CLI()
-#else
-#  define preempt_stop()
-#  define resume_kernel         restore_all
-#endif
 #if defined(CONFIG_MMU)
        .align  2
 ENTRY(tlb_miss_load)
@@ -155,29 +138,14 @@ ENTRY(tlb_protection_violation_store)
 call_dpf:
        mov.l   1f, r0
-        mov     r5, r8
+        mov.l   @r0, r6         ! address
-        mov.l   @r0, r6
-        mov     r6, r9
-        mov.l   2f, r0
-        sts     pr, r10
-        jsr     @r0
-         mov    r15, r4
-        !
-        tst     r0, r0
-        bf/s    0f
-         lds    r10, pr
-        rts
-         nop
-0:      STI()
        mov.l   3f, r0
-        mov     r9, r6
-        mov     r8, r5
        jmp     @r0
-         mov    r15, r4
+         mov    r15, r4         ! regs
        .align 2
 1:      .long   MMU_TEA
-2:      .long   __do_page_fault
 3:      .long   do_page_fault
        .align  2
@@ -203,32 +171,6 @@ call_dae:
 2:      .long   do_address_error
 #endif /* CONFIG_MMU */
-#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
-! Handle kernel debug if either kgdb (SW) or gdb-stub (FW) is present.
-! If both are configured, handle the debug traps (breakpoints) in SW,
-! but still allow BIOS traps to FW.
-        .align  2
-debug_kernel:
-#if defined(CONFIG_SH_STANDARD_BIOS) && defined(CONFIG_SH_KGDB)
-        /* Force BIOS call to FW (debug_trap put TRA in r8) */
-        mov     r8,r0
-        shlr2   r0
-        cmp/eq  #0x3f,r0
-        bt      debug_kernel_fw
-#endif /* CONFIG_SH_STANDARD_BIOS && CONFIG_SH_KGDB */
-debug_enter:            
-#if defined(CONFIG_SH_KGDB)
-        /* Jump to kgdb, pass stacked regs as arg */
-debug_kernel_sw:
-        mov.l   3f, r0
-        jmp     @r0
-         mov    r15, r4
-        .align  2
-3:      .long   kgdb_handle_exception
-#endif /* CONFIG_SH_KGDB */
 #if defined(CONFIG_SH_STANDARD_BIOS)
        /* Unwind the stack and jmp to the debug entry */
 debug_kernel_fw:
@@ -269,276 +211,6 @@ debug_kernel_fw:
 2:      .long   gdb_vbr_vector
 #endif /* CONFIG_SH_STANDARD_BIOS */
-#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
-        .align  2
-debug_trap:     
-#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
-        mov     #OFF_SR, r0
-        mov.l   @(r0,r15), r0           ! get status register
-        shll    r0
-        shll    r0                      ! kernel space?
-        bt/s    debug_kernel
-#endif
-         mov.l  @r15, r0                ! Restore R0 value
-        mov.l   1f, r8
-        jmp     @r8
-         nop
-        .align  2
-ENTRY(exception_error)
-        !
-        STI()
-        mov.l   2f, r0
-        jmp     @r0
-         nop
-!
-        .align  2
-1:      .long   break_point_trap_software
-2:      .long   do_exception_error
-        .align  2
-ret_from_exception:
-        preempt_stop()
-ENTRY(ret_from_irq)
-        !
-        mov     #OFF_SR, r0
-        mov.l   @(r0,r15), r0   ! get status register
-        shll    r0
-        shll    r0              ! kernel space?
-        bt/s    resume_kernel   ! Yes, it's from kernel, go back soon
-         GET_THREAD_INFO(r8)
-#ifdef CONFIG_PREEMPT
-        bra     resume_userspace
-         nop
-ENTRY(resume_kernel)
-        mov.l   @(TI_PRE_COUNT,r8), r0  ! current_thread_info->preempt_count
-        tst     r0, r0
-        bf      noresched
-need_resched:
-        mov.l   @(TI_FLAGS,r8), r0      ! current_thread_info->flags
-        tst     #_TIF_NEED_RESCHED, r0  ! need_resched set?
-        bt      noresched
-        mov     #OFF_SR, r0
-        mov.l   @(r0,r15), r0           ! get status register
-        and     #0xf0, r0               ! interrupts off (exception path)?
-        cmp/eq  #0xf0, r0
-        bt      noresched
-        mov.l   1f, r0
-        mov.l   r0, @(TI_PRE_COUNT,r8)
-        STI()
-        mov.l   2f, r0
-        jsr     @r0
-         nop
-        mov     #0, r0
-        mov.l   r0, @(TI_PRE_COUNT,r8)
-        CLI()
-        bra     need_resched
-         nop
-noresched:
-        bra     restore_all
-         nop
-        .align 2
-1:      .long   PREEMPT_ACTIVE
-2:      .long   schedule
-#endif
-ENTRY(resume_userspace)
-        ! r8: current_thread_info
-        CLI()
-        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
-        tst     #_TIF_WORK_MASK, r0
-        bt/s    restore_all
-         tst    #_TIF_NEED_RESCHED, r0
-        .align  2
-work_pending:
-        ! r0: current_thread_info->flags
-        ! r8: current_thread_info
-        ! t:  result of "tst    #_TIF_NEED_RESCHED, r0"
-        bf/s    work_resched
-         tst    #(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r0
-work_notifysig:
-        bt/s    restore_all
-         mov    r15, r4
-        mov     r12, r5         ! set arg1(save_r0)
-        mov     r0, r6
-        mov.l   2f, r1
-        mova    restore_all, r0
-        jmp     @r1
-         lds    r0, pr
-work_resched:
-#ifndef CONFIG_PREEMPT
-        ! gUSA handling
-        mov.l   @(OFF_SP,r15), r0       ! get user space stack pointer
-        mov     r0, r1
-        shll    r0
-        bf/s    1f
-         shll   r0
-        bf/s    1f
-         mov    #OFF_PC, r0
-        !                                 SP >= 0xc0000000 : gUSA mark
-        mov.l   @(r0,r15), r2           ! get user space PC (program counter)
-        mov.l   @(OFF_R0,r15), r3       ! end point
-        cmp/hs  r3, r2                  ! r2 >= r3? 
-        bt      1f
-        add     r3, r1                  ! rewind point #2
-        mov.l   r1, @(r0,r15)           ! reset PC to rewind point #2
-        !
-1:
-#endif
-        mov.l   1f, r1
-        jsr     @r1                             ! schedule
-         nop
-        CLI()
-        !
-        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
-        tst     #_TIF_WORK_MASK, r0
-        bt      restore_all
-        bra     work_pending
-         tst    #_TIF_NEED_RESCHED, r0
-        .align  2
-1:      .long   schedule
-2:      .long   do_notify_resume
-        .align  2
-syscall_exit_work:
-        ! r0: current_thread_info->flags
-        ! r8: current_thread_info
-        tst     #_TIF_SYSCALL_TRACE, r0
-        bt/s    work_pending
-         tst    #_TIF_NEED_RESCHED, r0
-        STI()
-        ! XXX setup arguments...
-        mov.l   4f, r0                  ! do_syscall_trace
-        jsr     @r0
-         nop
-        bra     resume_userspace
-         nop
-        .align  2
-syscall_trace_entry:
-        !                       Yes it is traced.
-        ! XXX setup arguments...
-        mov.l   4f, r11         ! Call do_syscall_trace which notifies
-        jsr     @r11            ! superior (will chomp R[0-7])
-         nop
-        !                       Reload R0-R4 from kernel stack, where the
-        !                       parent may have modified them using
-        !                       ptrace(POKEUSR).  (Note that R0-R2 are
-        !                       used by the system call handler directly
-        !                       from the kernel stack anyway, so don't need
-        !                       to be reloaded here.)  This allows the parent
-        !                       to rewrite system calls and args on the fly.
-        mov.l   @(OFF_R4,r15), r4   ! arg0
-        mov.l   @(OFF_R5,r15), r5
-        mov.l   @(OFF_R6,r15), r6
-        mov.l   @(OFF_R7,r15), r7   ! arg3
-        mov.l   @(OFF_R3,r15), r3   ! syscall_nr
-        !                   Arrange for do_syscall_trace to be called
-        !                   again as the system call returns.
-        mov.l   2f, r10                 ! Number of syscalls
-        cmp/hs  r10, r3
-        bf      syscall_call
-        mov     #-ENOSYS, r0
-        bra     syscall_exit
-         mov.l  r0, @(OFF_R0,r15)       ! Return value
-/*
- * Syscall interface:
- *
- *      Syscall #: R3
- *      Arguments #0 to #3: R4--R7
- *      Arguments #4 to #6: R0, R1, R2
- *      TRA: (number of arguments + 0x10) x 4
- *
- * This code also handles delegating other traps to the BIOS/gdb stub
- * according to:
- *
- * Trap number
- * (TRA>>2)         Purpose
- * --------         -------
- * 0x0-0xf          old syscall ABI
- * 0x10-0x1f        new syscall ABI
- * 0x20-0xff        delegated through debug_trap to BIOS/gdb stub.
- *
- * Note: When we're first called, the TRA value must be shifted
- * right 2 bits in order to get the value that was used as the "trapa"
- * argument.
- */
-        .align  2
-        .globl  ret_from_fork
-ret_from_fork:
-        mov.l   1f, r8
-        jsr     @r8
-         mov    r0, r4
-        bra     syscall_exit
-         nop
-        .align  2
-1:      .long   schedule_tail
-        !
-ENTRY(system_call)
-        mov.l   1f, r9
-        mov.l   @r9, r8         ! Read from TRA (Trap Address) Register
-        !
-        ! Is the trap argument >= 0x20? (TRA will be >= 0x80)
-        mov     #0x7f, r9
-        cmp/hi  r9, r8
-        bt/s    0f
-         mov    #OFF_TRA, r9
-        add     r15, r9
-        !
-        mov.l   r8, @r9                 ! set TRA value to tra
-        STI()
-        !                   Call the system call handler through the table.
-        !                   First check for bad syscall number
-        mov     r3, r9
-        mov.l   2f, r8                  ! Number of syscalls
-        cmp/hs  r8, r9
-        bf/s    good_system_call
-         GET_THREAD_INFO(r8)
-syscall_badsys:                 ! Bad syscall number
-        mov     #-ENOSYS, r0
-        bra     resume_userspace
-         mov.l  r0, @(OFF_R0,r15)       ! Return value
-        !
-0:
-        bra     debug_trap
-         nop
-        !
-good_system_call:               ! Good syscall number
-        mov.l   @(TI_FLAGS,r8), r8
-        mov     #_TIF_SYSCALL_TRACE, r10
-        tst     r10, r8
-        bf      syscall_trace_entry
-        !
-syscall_call:
-        shll2   r9              ! x4
-        mov.l   3f, r8          ! Load the address of sys_call_table
-        add     r8, r9
-        mov.l   @r9, r8
-        jsr     @r8             ! jump to specific syscall handler
-         nop
-        mov.l   @(OFF_R0,r15), r12              ! save r0
-        mov.l   r0, @(OFF_R0,r15)               ! save the return value
-        !
-syscall_exit:
-        CLI()
-        !
-        GET_THREAD_INFO(r8)
-        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
-        tst     #_TIF_ALLWORK_MASK, r0
-        bf      syscall_exit_work
 restore_all:
        mov.l   @r15+, r0
        mov.l   @r15+, r1
@@ -606,7 +278,9 @@ skip_restore:
        !
        ! Calculate new SR value
        mov     k3, k2                  ! original SR value
-        mov.l   9f, k1
+        mov     #0xf0, k1
+        extu.b  k1, k1
+        not     k1, k1
        and     k1, k2                  ! Mask orignal SR value
        !
        mov     k3, k0                  ! Calculate IMASK-bits
@@ -632,16 +306,12 @@ skip_restore:
         nop
        .align  2
-1:      .long   TRA
-2:      .long   NR_syscalls
-3:      .long   sys_call_table
-4:      .long   do_syscall_trace
 5:      .long   0x00001000      ! DSP
 7:      .long   0x30000000
-9:
-__INV_IMASK:
-        .long   0xffffff0f      ! ~(IMASK)
+! common exception handler
+#include "../../entry-common.S"
+        
 ! Exception Vector Base
 !
 !       Should be aligned page boundary.
@@ -661,9 +331,176 @@ general_exception:
 2:      .long   ret_from_exception
 !
 !
+/* This code makes some assumptions to improve performance.
+ * Make sure they are stil true. */
+#if PTRS_PER_PGD != PTRS_PER_PTE
+#error PGD and PTE sizes don't match
+#endif
+/* gas doesn't flag impossible values for mov #immediate as an error */
+#if (_PAGE_PRESENT >> 2) > 0x7f
+#error cannot load PAGE_PRESENT as an immediate
+#endif
+#if _PAGE_DIRTY > 0x7f
+#error cannot load PAGE_DIRTY as an immediate
+#endif
+#if (_PAGE_PRESENT << 2) != _PAGE_ACCESSED
+#error cannot derive PAGE_ACCESSED from PAGE_PRESENT
+#endif
+#if defined(CONFIG_CPU_SH4)
+#define ldmmupteh(r)    mov.l   8f, r
+#else
+#define ldmmupteh(r)    mov     #MMU_PTEH, r
+#endif
        .balign         1024,0,1024
 tlb_miss:
-        mov.l   1f, k2
+#ifdef COUNT_EXCEPTIONS
+        ! Increment the counts
+        mov.l   9f, k1
+        mov.l   @k1, k2
+        add     #1, k2
+        mov.l   k2, @k1
+#endif
+        ! k0 scratch
+        ! k1 pgd and pte pointers
+        ! k2 faulting address
+        ! k3 pgd and pte index masks
+        ! k4 shift
+        ! Load up the pgd entry (k1)
+        ldmmupteh(k0)                   !  9 LS (latency=2)     MMU_PTEH
+        mov.w   4f, k3                  !  8 LS (latency=2)     (PTRS_PER_PGD-1) << 2
+        mov     #-(PGDIR_SHIFT-2), k4   !  6 EX
+        mov.l   @(MMU_TEA-MMU_PTEH,k0), k2      ! 18 LS (latency=2)
+        mov.l   @(MMU_TTB-MMU_PTEH,k0), k1      ! 18 LS (latency=2)
+        mov     k2, k0                  !   5 MT (latency=0)
+        shld    k4, k0                  !  99 EX
+        and     k3, k0                  !  78 EX
+        mov.l   @(k0, k1), k1           !  21 LS (latency=2)
+        mov     #-(PAGE_SHIFT-2), k4    !   6 EX
+        ! Load up the pte entry (k2)
+        mov     k2, k0                  !   5 MT (latency=0)
+        shld    k4, k0                  !  99 EX
+        tst     k1, k1                  !  86 MT
+        bt      20f                     ! 110 BR
+        and     k3, k0                  !  78 EX
+        mov.w   5f, k4                  !   8 LS (latency=2)    _PAGE_PRESENT
+        mov.l   @(k0, k1), k2           !  21 LS (latency=2)
+        add     k0, k1                  !  49 EX
+#ifdef CONFIG_CPU_HAS_PTEA
+        ! Test the entry for present and _PAGE_ACCESSED
+        mov     #-28, k3                !   6 EX
+        mov     k2, k0                  !   5 MT (latency=0)
+        tst     k4, k2                  !  68 MT
+        shld    k3, k0                  !  99 EX
+        bt      20f                     ! 110 BR
+        ! Set PTEA register
+        ! MMU_PTEA = ((pteval >> 28) & 0xe) | (pteval & 0x1)
+        !
+        ! k0=pte>>28, k1=pte*, k2=pte, k3=<unused>, k4=_PAGE_PRESENT
+        and     #0xe, k0                !  79 EX
+        mov     k0, k3                  !   5 MT (latency=0)
+        mov     k2, k0                  !   5 MT (latency=0)
+        and     #1, k0                  !  79 EX
+        or      k0, k3                  !  82 EX
+        ldmmupteh(k0)                   !   9 LS (latency=2)
+        shll2   k4                      ! 101 EX                _PAGE_ACCESSED
+        tst     k4, k2                  !  68 MT
+        mov.l   k3, @(MMU_PTEA-MMU_PTEH,k0)     ! 27 LS
+        mov.l   7f, k3                  !   9 LS (latency=2)    _PAGE_FLAGS_HARDWARE_MASK
+        ! k0=MMU_PTEH, k1=pte*, k2=pte, k3=_PAGE_FLAGS_HARDWARE, k4=_PAGE_ACCESSED
+#else
+        ! Test the entry for present and _PAGE_ACCESSED
+        mov.l   7f, k3                  !   9 LS (latency=2)    _PAGE_FLAGS_HARDWARE_MASK
+        tst     k4, k2                  !  68 MT
+        shll2   k4                      ! 101 EX                _PAGE_ACCESSED
+        ldmmupteh(k0)                   !   9 LS (latency=2)
+        bt      20f                     ! 110 BR
+        tst     k4, k2                  !  68 MT
+        ! k0=MMU_PTEH, k1=pte*, k2=pte, k3=_PAGE_FLAGS_HARDWARE, k4=_PAGE_ACCESSED
+#endif
+        ! Set up the entry
+        and     k2, k3                  !  78 EX
+        bt/s    10f                     ! 108 BR
+         mov.l  k3, @(MMU_PTEL-MMU_PTEH,k0)     ! 27 LS
+        ldtlb                           ! 128 CO
+        ! At least one instruction between ldtlb and rte
+        nop                             ! 119 NOP
+        rte                             ! 126 CO
+         nop                            ! 119 NOP
+10:     or      k4, k2                  !  82 EX
+        ldtlb                           ! 128 CO
+        ! At least one instruction between ldtlb and rte
+        mov.l   k2, @k1                 !  27 LS
+        rte                             ! 126 CO
+        ! Note we cannot execute mov here, because it is executed after
+        ! restoring SSR, so would be executed in user space.
+         nop                            ! 119 NOP
+        .align 5
+        ! Once cache line if possible...
+1:      .long   swapper_pg_dir
+4:      .short  (PTRS_PER_PGD-1) << 2
+5:      .short  _PAGE_PRESENT
+7:      .long   _PAGE_FLAGS_HARDWARE_MASK
+8:      .long   MMU_PTEH
+#ifdef COUNT_EXCEPTIONS
+9:      .long   exception_count_miss
+#endif
+        ! Either pgd or pte not present
+20:     mov.l   1f, k2
        mov.l   4f, k3
        bra     handle_exception
         mov.l  @k2, k2
@@ -710,8 +547,9 @@ ENTRY(handle_exception)
        bt/s    1f              ! It's a kernel to kernel transition.
         mov    r15, k0         ! save original stack to k0
        /* User space to kernel */
-        mov     #(THREAD_SIZE >> 8), k1
+        mov     #(THREAD_SIZE >> 10), k1
        shll8   k1              ! k1 := THREAD_SIZE
+        shll2   k1
        add     current, k1
        mov     k1, r15         ! change to kernel stack
        !
@@ -761,7 +599,7 @@ skip_save:
        ! Save the user registers on the stack.
        mov.l   k2, @-r15       ! EXPEVT
-        mov     #-1, k4
+        mov     #-1, k4
        mov.l   k4, @-r15       ! set TRA (default: -1)
        !
        sts.l   macl, @-r15
@@ -813,6 +651,15 @@ skip_save:
        bf      interrupt_exception
        shlr2   r8
        shlr    r8
+#ifdef COUNT_EXCEPTIONS
+        mov.l   5f, r9
+        add     r8, r9
+        mov.l   @r9, r10
+        add     #1, r10
+        mov.l   r10, @r9
+#endif
        mov.l   4f, r9
        add     r8, r9
        mov.l   @r9, r9
@@ -826,6 +673,9 @@ skip_save:
 2:      .long   0x000080f0      ! FD=1, IMASK=15
 3:      .long   0xcfffffff      ! RB=0, BL=0
 4:      .long   exception_handling_table
+#ifdef COUNT_EXCEPTIONS
+5:      .long   exception_count_table
+#endif
 interrupt_exception:
        mov.l   1f, r9
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 8dbf3895ece7..6e415baf04b4 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -2,7 +2,8 @@
 # Makefile for the Linux/SuperH SH-4 backends.
 #
-obj-y   := ex.o probe.o
+obj-y   := ex.o probe.o common.o
+common-y        += $(addprefix ../sh3/, entry.o)
 obj-$(CONFIG_SH_FPU)                    += fpu.o
 obj-$(CONFIG_SH_STORE_QUEUES)           += sq.o
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index bfdf5fe8d948..fa2019aabd74 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -97,7 +97,7 @@ static void shoc_clk_recalc(struct clk *clk)
 static int shoc_clk_verify_rate(struct clk *clk, unsigned long rate)
 {
-        struct clk *bclk = clk_get("bus_clk");
+        struct clk *bclk = clk_get(NULL, "bus_clk");
        unsigned long bclk_rate = clk_get_rate(bclk);
        clk_put(bclk);
@@ -151,7 +151,7 @@ static struct clk *sh4202_onchip_clocks[] = {
 static int __init sh4202_clk_init(void)
 {
-        struct clk *clk = clk_get("master_clk");
+        struct clk *clk = clk_get(NULL, "master_clk");
        int i;
        for (i = 0; i < ARRAY_SIZE(sh4202_onchip_clocks); i++) {
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh7780.c b/arch/sh/kernel/cpu/sh4/clock-sh7780.c
index 93ad367342c9..9e6a216750c8 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh7780.c
@@ -98,7 +98,7 @@ static struct clk *sh7780_onchip_clocks[] = {
 static int __init sh7780_clk_init(void)
 {
-        struct clk *clk = clk_get("master_clk");
+        struct clk *clk = clk_get(NULL, "master_clk");
        int i;
        for (i = 0; i < ARRAY_SIZE(sh7780_onchip_clocks); i++) {
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index f486c07e10e2..7624677f6628 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -282,11 +282,8 @@ ieee_fpe_handler (struct pt_regs *regs)
                        grab_fpu(regs);
                        restore_fpu(tsk);
                        set_tsk_thread_flag(tsk, TIF_USEDFPU);
-                } else {
+                } else
-                        tsk->thread.trap_no = 11;
-                        tsk->thread.error_code = 0;
                        force_sig(SIGFPE, tsk);
-                }
                regs->pc = nextpc;
                return 1;
@@ -296,29 +293,29 @@ ieee_fpe_handler (struct pt_regs *regs)
 }
 asmlinkage void
-do_fpu_error(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7,
+do_fpu_error(unsigned long r4, unsigned long r5, unsigned long r6,
-             struct pt_regs regs)
+             unsigned long r7, struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        struct task_struct *tsk = current;
-        if (ieee_fpe_handler (&regs))
+        if (ieee_fpe_handler(regs))
                return;
-        regs.pc += 2;
+        regs->pc += 2;
-        save_fpu(tsk, &regs);
+        save_fpu(tsk, regs);
-        tsk->thread.trap_no = 11;
-        tsk->thread.error_code = 0;
        force_sig(SIGFPE, tsk);
 }
 asmlinkage void
 do_fpu_state_restore(unsigned long r4, unsigned long r5, unsigned long r6,
-                     unsigned long r7, struct pt_regs regs)
+                     unsigned long r7, struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        struct task_struct *tsk = current;
-        grab_fpu(&regs);
+        grab_fpu(regs);
-        if (!user_mode(&regs)) {
+        if (!user_mode(regs)) {
                printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
                return;
        }
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index c294de1e14a3..afe0f1b1c030 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -79,16 +79,16 @@ int __init detect_cpu_and_cache_system(void)
        case 0x205:
                cpu_data->type = CPU_SH7750;
                cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
-                                   CPU_HAS_PERF_COUNTER | CPU_HAS_PTEA;
+                                   CPU_HAS_PERF_COUNTER;
                break;
        case 0x206:
                cpu_data->type = CPU_SH7750S;
                cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
-                                   CPU_HAS_PERF_COUNTER | CPU_HAS_PTEA;
+                                   CPU_HAS_PERF_COUNTER;
                break;
        case 0x1100:
                cpu_data->type = CPU_SH7751;
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+                cpu_data->flags |= CPU_HAS_FPU;
                break;
        case 0x2000:
                cpu_data->type = CPU_SH73180;
@@ -126,23 +126,22 @@ int __init detect_cpu_and_cache_system(void)
                break;
        case 0x8000:
                cpu_data->type = CPU_ST40RA;
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+                cpu_data->flags |= CPU_HAS_FPU;
                break;
        case 0x8100:
                cpu_data->type = CPU_ST40GX1;
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+                cpu_data->flags |= CPU_HAS_FPU;
                break;
        case 0x700:
                cpu_data->type = CPU_SH4_501;
                cpu_data->icache.ways = 2;
                cpu_data->dcache.ways = 2;
-                cpu_data->flags |= CPU_HAS_PTEA;
                break;
        case 0x600:
                cpu_data->type = CPU_SH4_202;
                cpu_data->icache.ways = 2;
                cpu_data->dcache.ways = 2;
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+                cpu_data->flags |= CPU_HAS_FPU;
                break;
        case 0x500 ... 0x501:
                switch (prr) {
@@ -160,7 +159,7 @@ int __init detect_cpu_and_cache_system(void)
                cpu_data->icache.ways = 2;
                cpu_data->dcache.ways = 2;
-                cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+                cpu_data->flags |= CPU_HAS_FPU;
                break;
        default:
@@ -173,6 +172,10 @@ int __init detect_cpu_and_cache_system(void)
        cpu_data->dcache.ways = 1;
 #endif
+#ifdef CONFIG_CPU_HAS_PTEA
+        cpu_data->flags |= CPU_HAS_PTEA;
+#endif
        /*
         * On anything that's not a direct-mapped cache, look to the CVR
         * for I/D-cache specifics.
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 50812d57c1c1..bbcb06f18b04 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -2,6 +2,7 @@
 * SH7750/SH7751 Setup
 *
 *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2006  Jamie Lenehan
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
@@ -10,6 +11,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/io.h>
 #include <asm/sci.h>
 static struct plat_sci_port sci_platform_data[] = {
@@ -46,3 +48,71 @@ static int __init sh7750_devices_setup(void)
                                    ARRAY_SIZE(sh7750_devices));
 }
 __initcall(sh7750_devices_setup);
+static struct ipr_data sh7750_ipr_map[] = {
+        /* IRQ, IPR-idx, shift, priority */
+        { 16, 0, 12, 2 }, /* TMU0 TUNI*/
+        { 17, 0, 12, 2 }, /* TMU1 TUNI */
+        { 18, 0,  4, 2 }, /* TMU2 TUNI */
+        { 19, 0,  4, 2 }, /* TMU2 TIPCI */
+        { 27, 1, 12, 2 }, /* WDT ITI */
+        { 20, 0,  0, 2 }, /* RTC ATI (alarm) */
+        { 21, 0,  0, 2 }, /* RTC PRI (period) */
+        { 22, 0,  0, 2 }, /* RTC CUI (carry) */
+        { 23, 1,  4, 3 }, /* SCI ERI */
+        { 24, 1,  4, 3 }, /* SCI RXI */
+        { 25, 1,  4, 3 }, /* SCI TXI */
+        { 40, 2,  4, 3 }, /* SCIF ERI */
+        { 41, 2,  4, 3 }, /* SCIF RXI */
+        { 42, 2,  4, 3 }, /* SCIF BRI */
+        { 43, 2,  4, 3 }, /* SCIF TXI */
+        { 34, 2,  8, 7 }, /* DMAC DMTE0 */
+        { 35, 2,  8, 7 }, /* DMAC DMTE1 */
+        { 36, 2,  8, 7 }, /* DMAC DMTE2 */
+        { 37, 2,  8, 7 }, /* DMAC DMTE3 */
+        { 28, 2,  8, 7 }, /* DMAC DMAE */
+};
+static struct ipr_data sh7751_ipr_map[] = {
+        { 44, 2,  8, 7 }, /* DMAC DMTE4 */
+        { 45, 2,  8, 7 }, /* DMAC DMTE5 */
+        { 46, 2,  8, 7 }, /* DMAC DMTE6 */
+        { 47, 2,  8, 7 }, /* DMAC DMTE7 */
+        /* The following use INTC_INPRI00 for masking, which is a 32-bit
+           register, not a 16-bit register like the IPRx registers, so it
+           would need special support */
+        /*{ 72, INTPRI00,  8, ? },*/ /* TMU3 TUNI */
+        /*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */
+};
+static unsigned long ipr_offsets[] = {
+        0xffd00004UL,   /* 0: IPRA */
+        0xffd00008UL,   /* 1: IPRB */
+        0xffd0000cUL,   /* 2: IPRC */
+        0xffd00010UL,   /* 3: IPRD */
+};
+/* given the IPR index return the address of the IPR register */
+unsigned int map_ipridx_to_addr(int idx)
+{
+        if (idx >= ARRAY_SIZE(ipr_offsets))
+                return 0;
+        return ipr_offsets[idx];
+}
+#define INTC_ICR        0xffd00000UL
+#define INTC_ICR_IRLM   (1<<7)
+/* enable individual interrupt mode for external interupts */
+void ipr_irq_enable_irlm(void)
+{
+        ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+}
+void __init init_IRQ_ipr()
+{
+        make_ipr_irq(sh7750_ipr_map, ARRAY_SIZE(sh7750_ipr_map));
+#ifdef CONFIG_CPU_SUBTYPE_SH7751
+        make_ipr_irq(sh7751_ipr_map, ARRAY_SIZE(sh7751_ipr_map));
+#endif
+}
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7780.c b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
index 814ddb226531..9aeaa2ddaa28 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
@@ -79,25 +79,27 @@ static int __init sh7780_devices_setup(void)
 __initcall(sh7780_devices_setup);
 static struct intc2_data intc2_irq_table[] = {
-        { TIMER_IRQ, 0, 24, 0, INTC_TMU0_MSK, 2 },
+        { 28, 0, 24, 0, 0, 2 },         /* TMU0 */
-        { 21, 1, 0, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-        { 22, 1, 1, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-        { 23, 1, 2, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-        { SCIF0_ERI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-        { SCIF0_RXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-        { SCIF0_BRI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-        { SCIF0_TXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-        { SCIF1_ERI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+        { 21, 1,  0, 0, 2, 2 },
-        { SCIF1_RXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+        { 22, 1,  1, 0, 2, 2 },
-        { SCIF1_BRI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+        { 23, 1,  2, 0, 2, 2 },
-        { SCIF1_TXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
-        { PCIC0_IRQ, 0x10,  8, 0, INTC_PCIC0_MSK, PCIC0_PRIORITY },
+        { 40, 8, 24, 0, 3, 3 },         /* SCIF0 ERI */
-        { PCIC1_IRQ, 0x10,  0, 0, INTC_PCIC1_MSK, PCIC1_PRIORITY },
+        { 41, 8, 24, 0, 3, 3 },         /* SCIF0 RXI */
-        { PCIC2_IRQ, 0x14, 24, 0, INTC_PCIC2_MSK, PCIC2_PRIORITY },
+        { 42, 8, 24, 0, 3, 3 },         /* SCIF0 BRI */
-        { PCIC3_IRQ, 0x14, 16, 0, INTC_PCIC3_MSK, PCIC3_PRIORITY },
+        { 43, 8, 24, 0, 3, 3 },         /* SCIF0 TXI */
-        { PCIC4_IRQ, 0x14,  8, 0, INTC_PCIC4_MSK, PCIC4_PRIORITY },
+        { 76, 8, 16, 0, 4, 3 },         /* SCIF1 ERI */
+        { 77, 8, 16, 0, 4, 3 },         /* SCIF1 RXI */
+        { 78, 8, 16, 0, 4, 3 },         /* SCIF1 BRI */
+        { 79, 8, 16, 0, 4, 3 },         /* SCIF1 TXI */
+        { 64, 0x10,  8, 0, 14, 2 },     /* PCIC0 */
+        { 65, 0x10,  0, 0, 15, 2 },     /* PCIC1 */
+        { 66, 0x14, 24, 0, 16, 2 },     /* PCIC2 */
+        { 67, 0x14, 16, 0, 17, 2 },     /* PCIC3 */
+        { 68, 0x14,  8, 0, 18, 2 },     /* PCIC4 */
 };
 void __init init_IRQ_intc2(void)
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index 7bcc73f9b8df..55f43506995a 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -19,7 +19,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/mm.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/page.h>
 #include <asm/cacheflush.h>
 #include <asm/cpu/sq.h>
@@ -67,6 +67,7 @@ void sq_flush_range(unsigned long start, unsigned int len)
        /* Wait for completion */
        store_queue_barrier();
 }
+EXPORT_SYMBOL(sq_flush_range);
 static inline void sq_mapping_list_add(struct sq_mapping *map)
 {
@@ -166,7 +167,7 @@ unsigned long sq_remap(unsigned long phys, unsigned int size,
        map->size = size;
        map->name = name;
-        page = bitmap_find_free_region(sq_bitmap, 0x04000000,
+        page = bitmap_find_free_region(sq_bitmap, 0x04000000 >> PAGE_SHIFT,
                                       get_order(map->size));
        if (unlikely(page < 0)) {
                ret = -ENOSPC;
@@ -193,6 +194,7 @@ out:
        kmem_cache_free(sq_cache, map);
        return ret;
 }
+EXPORT_SYMBOL(sq_remap);
 /**
 * sq_unmap - Unmap a Store Queue allocation
@@ -234,6 +236,7 @@ void sq_unmap(unsigned long vaddr)
        kmem_cache_free(sq_cache, map);
 }
+EXPORT_SYMBOL(sq_unmap);
 /*
 * Needlessly complex sysfs interface. Unfortunately it doesn't seem like
@@ -402,7 +405,3 @@ module_exit(sq_api_exit);
 MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>, M. R. Brown <mrbrown@0xd6.org>");
 MODULE_DESCRIPTION("Simple API for SH-4 integrated Store Queues");
 MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(sq_remap);
-EXPORT_SYMBOL(sq_unmap);
-EXPORT_SYMBOL(sq_flush_range);
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index a00022722e9e..60340823798a 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -12,7 +12,7 @@
 #include <linux/console.h>
 #include <linux/tty.h>
 #include <linux/init.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #ifdef CONFIG_SH_STANDARD_BIOS
 #include <asm/sh_bios.h>
@@ -62,17 +62,9 @@ static struct console bios_console = {
 #include <linux/serial_core.h>
 #include "../../../drivers/serial/sh-sci.h"
-#ifdef CONFIG_CPU_SH4
-#define SCIF_REG        0xffe80000
-#elif defined(CONFIG_CPU_SUBTYPE_SH72060)
-#define SCIF_REG        0xfffe9800
-#else
-#error "Undefined SCIF for this subtype"
-#endif
 static struct uart_port scif_port = {
-        .mapbase        = SCIF_REG,
+        .mapbase        = CONFIG_EARLY_SCIF_CONSOLE_PORT,
-        .membase        = (char __iomem *)SCIF_REG,
+        .membase        = (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT,
 };
 static void scif_sercon_putc(int c)
@@ -113,23 +105,29 @@ static struct console scif_console = {
        .index          = -1,
 };
+#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
+/*
+ * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
+ * devices that aren't using sh-ipl+g.
+ */
 static void scif_sercon_init(int baud)
 {
-        ctrl_outw(0, SCIF_REG + 8);
+        ctrl_outw(0, scif_port.mapbase + 8);
-        ctrl_outw(0, SCIF_REG);
+        ctrl_outw(0, scif_port.mapbase);
        /* Set baud rate */
        ctrl_outb((CONFIG_SH_PCLK_FREQ + 16 * baud) /
-                  (32 * baud) - 1, SCIF_REG + 4);
+                  (32 * baud) - 1, scif_port.mapbase + 4);
-        ctrl_outw(12, SCIF_REG + 24);
+        ctrl_outw(12, scif_port.mapbase + 24);
-        ctrl_outw(8, SCIF_REG + 24);
+        ctrl_outw(8, scif_port.mapbase + 24);
-        ctrl_outw(0, SCIF_REG + 32);
+        ctrl_outw(0, scif_port.mapbase + 32);
-        ctrl_outw(0x60, SCIF_REG + 16);
+        ctrl_outw(0x60, scif_port.mapbase + 16);
-        ctrl_outw(0, SCIF_REG + 36);
+        ctrl_outw(0, scif_port.mapbase + 36);
-        ctrl_outw(0x30, SCIF_REG + 8);
+        ctrl_outw(0x30, scif_port.mapbase + 8);
 }
-#endif
+#endif /* CONFIG_CPU_SH4 && !CONFIG_SH_STANDARD_BIOS */
+#endif /* CONFIG_EARLY_SCIF_CONSOLE */
 /*
 * Setup a default console, if more than one is compiled in, rely on the
@@ -168,7 +166,7 @@ int __init setup_early_printk(char *opt)
        if (!strncmp(buf, "serial", 6)) {
                early_console = &scif_console;
-#ifdef CONFIG_CPU_SH4
+#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
                scif_sercon_init(115200);
 #endif
        }
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
new file mode 100644
index 000000000000..29136a35d7c7
--- /dev/null
+++ b/arch/sh/kernel/entry-common.S
@@ -0,0 +1,433 @@
+/* $Id: entry.S,v 1.37 2004/06/11 13:02:46 doyu Exp $
+ *
+ *  linux/arch/sh/entry.S
+ *
+ *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
+ *  Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+! NOTE:
+! GNU as (as of 2.9.1) changes bf/s into bt/s and bra, when the address
+! to be jumped is too far, but it causes illegal slot exception.
+/*      
+ * entry.S contains the system-call and fault low-level handling routines.
+ * This also contains the timer-interrupt handler, as well as all interrupts
+ * and faults that can result in a task-switch.
+ *
+ * NOTE: This code handles signal-recognition, which happens every time
+ * after a timer-interrupt and after each system call.
+ *
+ * NOTE: This code uses a convention that instructions in the delay slot
+ * of a transfer-control instruction are indented by an extra space, thus:
+ *
+ *    jmp       @k0         ! control-transfer instruction
+ *     ldc      k1, ssr     ! delay slot
+ *
+ * Stack layout in 'ret_from_syscall':
+ *      ptrace needs to have all regs on the stack.
+ *      if the order here is changed, it needs to be
+ *      updated in ptrace.c and ptrace.h
+ *
+ *      r0
+ *      ...
+ *      r15 = stack pointer
+ *      spc
+ *      pr
+ *      ssr
+ *      gbr
+ *      mach
+ *      macl
+ *      syscall #
+ *
+ */
+#if defined(CONFIG_PREEMPT)
+#  define preempt_stop()        cli
+#else
+#  define preempt_stop()
+#  define resume_kernel         __restore_all
+#endif
+#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
+! Handle kernel debug if either kgdb (SW) or gdb-stub (FW) is present.
+! If both are configured, handle the debug traps (breakpoints) in SW,
+! but still allow BIOS traps to FW.
+        .align  2
+debug_kernel:
+#if defined(CONFIG_SH_STANDARD_BIOS) && defined(CONFIG_SH_KGDB)
+        /* Force BIOS call to FW (debug_trap put TRA in r8) */
+        mov     r8,r0
+        shlr2   r0
+        cmp/eq  #0x3f,r0
+        bt      debug_kernel_fw
+#endif /* CONFIG_SH_STANDARD_BIOS && CONFIG_SH_KGDB */
+debug_enter:            
+#if defined(CONFIG_SH_KGDB)
+        /* Jump to kgdb, pass stacked regs as arg */
+debug_kernel_sw:
+        mov.l   3f, r0
+        jmp     @r0
+         mov    r15, r4
+        .align  2
+3:      .long   kgdb_handle_exception
+#endif /* CONFIG_SH_KGDB */
+#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
+        .align  2
+debug_trap:     
+#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
+        mov     #OFF_SR, r0
+        mov.l   @(r0,r15), r0           ! get status register
+        shll    r0
+        shll    r0                      ! kernel space?
+        bt/s    debug_kernel
+#endif
+         mov.l  @r15, r0                ! Restore R0 value
+        mov.l   1f, r8
+        jmp     @r8
+         nop
+        .align  2
+ENTRY(exception_error)
+        !
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   3f, r0
+        jsr     @r0
+         nop
+#endif
+        sti
+        mov.l   2f, r0
+        jmp     @r0
+         nop
+!
+        .align  2
+1:      .long   break_point_trap_software
+2:      .long   do_exception_error
+#ifdef CONFIG_TRACE_IRQFLAGS
+3:      .long   trace_hardirqs_on
+#endif
+        .align  2
+ret_from_exception:
+        preempt_stop()
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   4f, r0
+        jsr     @r0
+         nop
+#endif
+ENTRY(ret_from_irq)
+        !
+        mov     #OFF_SR, r0
+        mov.l   @(r0,r15), r0   ! get status register
+        shll    r0
+        shll    r0              ! kernel space?
+        get_current_thread_info r8, r0
+        bt      resume_kernel   ! Yes, it's from kernel, go back soon
+#ifdef CONFIG_PREEMPT
+        bra     resume_userspace
+         nop
+ENTRY(resume_kernel)
+        mov.l   @(TI_PRE_COUNT,r8), r0  ! current_thread_info->preempt_count
+        tst     r0, r0
+        bf      noresched
+need_resched:
+        mov.l   @(TI_FLAGS,r8), r0      ! current_thread_info->flags
+        tst     #_TIF_NEED_RESCHED, r0  ! need_resched set?
+        bt      noresched
+        mov     #OFF_SR, r0
+        mov.l   @(r0,r15), r0           ! get status register
+        and     #0xf0, r0               ! interrupts off (exception path)?
+        cmp/eq  #0xf0, r0
+        bt      noresched
+        mov.l   1f, r0
+        mov.l   r0, @(TI_PRE_COUNT,r8)
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   3f, r0
+        jsr     @r0
+         nop
+#endif
+        sti
+        mov.l   2f, r0
+        jsr     @r0
+         nop
+        mov     #0, r0
+        mov.l   r0, @(TI_PRE_COUNT,r8)
+        cli
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   4f, r0
+        jsr     @r0
+         nop
+#endif
+        bra     need_resched
+         nop
+noresched:
+        bra     __restore_all
+         nop
+        .align 2
+1:      .long   PREEMPT_ACTIVE
+2:      .long   schedule
+#ifdef CONFIG_TRACE_IRQFLAGS
+3:      .long   trace_hardirqs_on
+4:      .long   trace_hardirqs_off
+#endif
+#endif
+ENTRY(resume_userspace)
+        ! r8: current_thread_info
+        cli
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   5f, r0
+        jsr     @r0
+         nop
+#endif
+        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
+        tst     #_TIF_WORK_MASK, r0
+        bt/s    __restore_all
+         tst    #_TIF_NEED_RESCHED, r0
+        .align  2
+work_pending:
+        ! r0: current_thread_info->flags
+        ! r8: current_thread_info
+        ! t:  result of "tst    #_TIF_NEED_RESCHED, r0"
+        bf/s    work_resched
+         tst    #(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r0
+work_notifysig:
+        bt/s    __restore_all
+         mov    r15, r4
+        mov     r12, r5         ! set arg1(save_r0)
+        mov     r0, r6
+        mov.l   2f, r1
+        mov.l   3f, r0
+        jmp     @r1
+         lds    r0, pr
+work_resched:
+#ifndef CONFIG_PREEMPT
+        ! gUSA handling
+        mov.l   @(OFF_SP,r15), r0       ! get user space stack pointer
+        mov     r0, r1
+        shll    r0
+        bf/s    1f
+         shll   r0
+        bf/s    1f
+         mov    #OFF_PC, r0
+        !                                 SP >= 0xc0000000 : gUSA mark
+        mov.l   @(r0,r15), r2           ! get user space PC (program counter)
+        mov.l   @(OFF_R0,r15), r3       ! end point
+        cmp/hs  r3, r2                  ! r2 >= r3? 
+        bt      1f
+        add     r3, r1                  ! rewind point #2
+        mov.l   r1, @(r0,r15)           ! reset PC to rewind point #2
+        !
+1:
+#endif
+        mov.l   1f, r1
+        jsr     @r1                             ! schedule
+         nop
+        cli
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   5f, r0
+        jsr     @r0
+         nop
+#endif
+        !
+        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
+        tst     #_TIF_WORK_MASK, r0
+        bt      __restore_all
+        bra     work_pending
+         tst    #_TIF_NEED_RESCHED, r0
+        .align  2
+1:      .long   schedule
+2:      .long   do_notify_resume
+3:      .long   restore_all
+#ifdef CONFIG_TRACE_IRQFLAGS
+4:      .long   trace_hardirqs_on
+5:      .long   trace_hardirqs_off
+#endif
+        .align  2
+syscall_exit_work:
+        ! r0: current_thread_info->flags
+        ! r8: current_thread_info
+        tst     #_TIF_SYSCALL_TRACE, r0
+        bt/s    work_pending
+         tst    #_TIF_NEED_RESCHED, r0
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   5f, r0
+        jsr     @r0
+         nop
+#endif
+        sti
+        ! XXX setup arguments...
+        mov.l   4f, r0                  ! do_syscall_trace
+        jsr     @r0
+         nop
+        bra     resume_userspace
+         nop
+        .align  2
+syscall_trace_entry:
+        !                       Yes it is traced.
+        ! XXX setup arguments...
+        mov.l   4f, r11         ! Call do_syscall_trace which notifies
+        jsr     @r11            ! superior (will chomp R[0-7])
+         nop
+        !                       Reload R0-R4 from kernel stack, where the
+        !                       parent may have modified them using
+        !                       ptrace(POKEUSR).  (Note that R0-R2 are
+        !                       used by the system call handler directly
+        !                       from the kernel stack anyway, so don't need
+        !                       to be reloaded here.)  This allows the parent
+        !                       to rewrite system calls and args on the fly.
+        mov.l   @(OFF_R4,r15), r4   ! arg0
+        mov.l   @(OFF_R5,r15), r5
+        mov.l   @(OFF_R6,r15), r6
+        mov.l   @(OFF_R7,r15), r7   ! arg3
+        mov.l   @(OFF_R3,r15), r3   ! syscall_nr
+        !
+        mov.l   2f, r10                 ! Number of syscalls
+        cmp/hs  r10, r3
+        bf      syscall_call
+        mov     #-ENOSYS, r0
+        bra     syscall_exit
+         mov.l  r0, @(OFF_R0,r15)       ! Return value
+__restore_all:
+        mov.l   1f, r0
+        jmp     @r0
+         nop
+        .align  2
+1:      .long   restore_all
+        .align  2
+not_syscall_tra:        
+        bra     debug_trap
+         nop
+        .align  2
+syscall_badsys:                 ! Bad syscall number
+        mov     #-ENOSYS, r0
+        bra     resume_userspace
+         mov.l  r0, @(OFF_R0,r15)       ! Return value
+        
+/*
+ * Syscall interface:
+ *
+ *      Syscall #: R3
+ *      Arguments #0 to #3: R4--R7
+ *      Arguments #4 to #6: R0, R1, R2
+ *      TRA: (number of arguments + 0x10) x 4
+ *
+ * This code also handles delegating other traps to the BIOS/gdb stub
+ * according to:
+ *
+ * Trap number
+ * (TRA>>2)         Purpose
+ * --------         -------
+ * 0x0-0xf          old syscall ABI
+ * 0x10-0x1f        new syscall ABI
+ * 0x20-0xff        delegated through debug_trap to BIOS/gdb stub.
+ *
+ * Note: When we're first called, the TRA value must be shifted
+ * right 2 bits in order to get the value that was used as the "trapa"
+ * argument.
+ */
+        .align  2
+        .globl  ret_from_fork
+ret_from_fork:
+        mov.l   1f, r8
+        jsr     @r8
+         mov    r0, r4
+        bra     syscall_exit
+         nop
+        .align  2
+1:      .long   schedule_tail
+        !
+ENTRY(system_call)
+#if !defined(CONFIG_CPU_SH2)
+        mov.l   1f, r9
+        mov.l   @r9, r8         ! Read from TRA (Trap Address) Register
+#endif
+        !
+        ! Is the trap argument >= 0x20? (TRA will be >= 0x80)
+        mov     #0x7f, r9
+        cmp/hi  r9, r8
+        bt/s    not_syscall_tra
+         mov    #OFF_TRA, r9
+        add     r15, r9
+        mov.l   r8, @r9                 ! set TRA value to tra
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   5f, r10
+        jsr     @r10
+         nop
+#endif
+        sti
+        !
+        get_current_thread_info r8, r10
+        mov.l   @(TI_FLAGS,r8), r8
+        mov     #_TIF_SYSCALL_TRACE, r10
+        tst     r10, r8
+        bf      syscall_trace_entry
+        !
+        mov.l   2f, r8                  ! Number of syscalls
+        cmp/hs  r8, r3
+        bt      syscall_badsys
+        !
+syscall_call:
+        shll2   r3              ! x4
+        mov.l   3f, r8          ! Load the address of sys_call_table
+        add     r8, r3
+        mov.l   @r3, r8
+        jsr     @r8             ! jump to specific syscall handler
+         nop
+        mov.l   @(OFF_R0,r15), r12              ! save r0
+        mov.l   r0, @(OFF_R0,r15)               ! save the return value
+        !
+syscall_exit:
+        cli
+#ifdef CONFIG_TRACE_IRQFLAGS
+        mov.l   6f, r0
+        jsr     @r0
+         nop
+#endif
+        !
+        get_current_thread_info r8, r0
+        mov.l   @(TI_FLAGS,r8), r0              ! current_thread_info->flags
+        tst     #_TIF_ALLWORK_MASK, r0
+        bf      syscall_exit_work
+        bra     __restore_all
+         nop
+        .align  2
+#if !defined(CONFIG_CPU_SH2)
+1:      .long   TRA
+#endif
+2:      .long   NR_syscalls
+3:      .long   sys_call_table
+4:      .long   do_syscall_trace
+#ifdef CONFIG_TRACE_IRQFLAGS
+5:      .long   trace_hardirqs_on
+6:      .long   trace_hardirqs_off
+#endif
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S
index f5f53d14f245..6aca4bc6ec5d 100644
--- a/arch/sh/kernel/head.S
+++ b/arch/sh/kernel/head.S
@@ -33,7 +33,7 @@ ENTRY(empty_zero_page)
        .long   0x00360000      /* INITRD_START */
        .long   0x000a0000      /* INITRD_SIZE */
        .long   0
-        .balign 4096,0,4096
+        .balign PAGE_SIZE,0,PAGE_SIZE
        .text   
 /*
@@ -53,8 +53,10 @@ ENTRY(_stext)
        ldc     r0, sr
        !                       Initialize global interrupt mask
        mov     #0, r0
+#ifdef CONFIG_CPU_HAS_SR_RB
        ldc     r0, r6_bank
+#endif
+        
        /*
         * Prefetch if possible to reduce cache miss penalty.
         *
@@ -68,11 +70,14 @@ ENTRY(_stext)
        !
        mov.l   2f, r0
        mov     r0, r15         ! Set initial r15 (stack pointer)
-        mov     #(THREAD_SIZE >> 8), r1
+        mov     #(THREAD_SIZE >> 10), r1
        shll8   r1              ! r1 = THREAD_SIZE
+        shll2   r1
        sub     r1, r0          !
+#ifdef CONFIG_CPU_HAS_SR_RB
        ldc     r0, r7_bank     ! ... and initial thread_info
+#endif
+        
        !                       Clear BSS area
        mov.l   3f, r1
        add     #4, r1
@@ -95,7 +100,11 @@ ENTRY(_stext)
         nop
        .balign 4
+#if defined(CONFIG_CPU_SH2)
+1:      .long   0x000000F0              ! IMASK=0xF
+#else
 1:      .long   0x400080F0              ! MD=1, RB=0, BL=0, FD=1, IMASK=0xF
+#endif
 2:      .long   init_thread_union+THREAD_SIZE
 3:      .long   __bss_start
 4:      .long   _end
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 944128ce9706..67be2b6e8cd1 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -12,7 +12,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/seq_file.h>
 #include <linux/io.h>
-#include <asm/irq.h>
+#include <linux/irq.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/thread_info.h>
@@ -78,15 +78,16 @@ union irq_ctx {
        u32                     stack[THREAD_SIZE/sizeof(u32)];
 };
-static union irq_ctx *hardirq_ctx[NR_CPUS];
+static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
-static union irq_ctx *softirq_ctx[NR_CPUS];
+static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
 #endif
 asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
                      unsigned long r6, unsigned long r7,
-                      struct pt_regs regs)
+                      struct pt_regs __regs)
 {
-        struct pt_regs *old_regs = set_irq_regs(&regs);
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        struct pt_regs *old_regs = set_irq_regs(regs);
        int irq;
 #ifdef CONFIG_4KSTACKS
        union irq_ctx *curctx, *irqctx;
@@ -111,7 +112,7 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 #endif
 #ifdef CONFIG_CPU_HAS_INTEVT
-        irq = (ctrl_inl(INTEVT) >> 5) - 16;
+        irq = evt2irq(ctrl_inl(INTEVT));
 #else
        irq = r4;
 #endif
@@ -135,17 +136,24 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
                irqctx->tinfo.task = curctx->tinfo.task;
                irqctx->tinfo.previous_sp = current_stack_pointer;
+                /*
+                 * Copy the softirq bits in preempt_count so that the
+                 * softirq checks work in the hardirq context.
+                 */
+                irqctx->tinfo.preempt_count =
+                        (irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK) |
+                        (curctx->tinfo.preempt_count & SOFTIRQ_MASK);
                __asm__ __volatile__ (
                        "mov    %0, r4          \n"
-                        "mov    r15, r9         \n"
+                        "mov    r15, r8         \n"
                        "jsr    @%1             \n"
                        /* swith to the irq stack */
                        " mov   %2, r15         \n"
                        /* restore the stack (ring zero) */
-                        "mov    r9, r15         \n"
+                        "mov    r8, r15         \n"
                        : /* no outputs */
                        : "r" (irq), "r" (generic_handle_irq), "r" (isp)
-                        /* XXX: A somewhat excessive clobber list? -PFM */
                        : "memory", "r0", "r1", "r2", "r3", "r4",
                          "r5", "r6", "r7", "r8", "t", "pr"
                );
@@ -193,7 +201,7 @@ void irq_ctx_init(int cpu)
        irqctx->tinfo.task              = NULL;
        irqctx->tinfo.exec_domain       = NULL;
        irqctx->tinfo.cpu               = cpu;
-        irqctx->tinfo.preempt_count     = SOFTIRQ_OFFSET;
+        irqctx->tinfo.preempt_count     = 0;
        irqctx->tinfo.addr_limit        = MAKE_MM_SEG(0);
        softirq_ctx[cpu] = irqctx;
@@ -239,13 +247,38 @@ asmlinkage void do_softirq(void)
                        "mov    r9, r15         \n"
                        : /* no outputs */
                        : "r" (__do_softirq), "r" (isp)
-                        /* XXX: A somewhat excessive clobber list? -PFM */
                        : "memory", "r0", "r1", "r2", "r3", "r4",
                          "r5", "r6", "r7", "r8", "r9", "r15", "t", "pr"
                );
+                /*
+                 * Shouldnt happen, we returned above if in_interrupt():
+                 */
+                WARN_ON_ONCE(softirq_count());
        }
        local_irq_restore(flags);
 }
 EXPORT_SYMBOL(do_softirq);
 #endif
+void __init init_IRQ(void)
+{
+#ifdef CONFIG_CPU_HAS_PINT_IRQ
+        init_IRQ_pint();
+#endif
+#ifdef CONFIG_CPU_HAS_INTC2_IRQ
+        init_IRQ_intc2();
+#endif
+#ifdef CONFIG_CPU_HAS_IPR_IRQ
+        init_IRQ_ipr();
+#endif
+        /* Perform the machine specific initialisation */
+        if (sh_mv.mv_init_irq)
+                sh_mv.mv_init_irq();
+        irq_ctx_init(smp_processor_id());
+}
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index a52b13ac6b7f..f3e2631be144 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -385,10 +385,11 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
 asmlinkage int sys_fork(unsigned long r4, unsigned long r5,
                        unsigned long r6, unsigned long r7,
-                        struct pt_regs regs)
+                        struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 #ifdef CONFIG_MMU
-        return do_fork(SIGCHLD, regs.regs[15], &regs, 0, NULL, NULL);
+        return do_fork(SIGCHLD, regs->regs[15], regs, 0, NULL, NULL);
 #else
        /* fork almost works, enough to trick you into looking elsewhere :-( */
        return -EINVAL;
@@ -398,11 +399,12 @@ asmlinkage int sys_fork(unsigned long r4, unsigned long r5,
 asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
                         unsigned long parent_tidptr,
                         unsigned long child_tidptr,
-                         struct pt_regs regs)
+                         struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        if (!newsp)
-                newsp = regs.regs[15];
+                newsp = regs->regs[15];
-        return do_fork(clone_flags, newsp, &regs, 0,
+        return do_fork(clone_flags, newsp, regs, 0,
                        (int __user *)parent_tidptr, (int __user *)child_tidptr);
 }
@@ -418,9 +420,10 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 */
 asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
                         unsigned long r6, unsigned long r7,
-                         struct pt_regs regs)
+                         struct pt_regs __regs)
 {
-        return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.regs[15], &regs,
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->regs[15], regs,
                       0, NULL, NULL);
 }
@@ -429,8 +432,9 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
 */
 asmlinkage int sys_execve(char *ufilename, char **uargv,
                          char **uenvp, unsigned long r7,
-                          struct pt_regs regs)
+                          struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        int error;
        char *filename;
@@ -442,7 +446,7 @@ asmlinkage int sys_execve(char *ufilename, char **uargv,
        error = do_execve(filename,
                          (char __user * __user *)uargv,
                          (char __user * __user *)uenvp,
-                          &regs);
+                          regs);
        if (error == 0) {
                task_lock(current);
                current->ptrace &= ~PT_DTRACE;
@@ -472,9 +476,7 @@ unsigned long get_wchan(struct task_struct *p)
        return pc;
 }
-asmlinkage void break_point_trap(unsigned long r4, unsigned long r5,
+asmlinkage void break_point_trap(void)
-                                 unsigned long r6, unsigned long r7,
-                                 struct pt_regs regs)
 {
        /* Clear tracing.  */
 #if defined(CONFIG_CPU_SH4A)
@@ -492,8 +494,10 @@ asmlinkage void break_point_trap(unsigned long r4, unsigned long r5,
 asmlinkage void break_point_trap_software(unsigned long r4, unsigned long r5,
                                          unsigned long r6, unsigned long r7,
-                                          struct pt_regs regs)
+                                          struct pt_regs __regs)
 {
-        regs.pc -= 2;
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        regs->pc -= 2;
        force_sig(SIGTRAP, current);
 }
diff --git a/arch/sh/kernel/relocate_kernel.S b/arch/sh/kernel/relocate_kernel.S
index 8221b37c9773..c66cb3209db5 100644
--- a/arch/sh/kernel/relocate_kernel.S
+++ b/arch/sh/kernel/relocate_kernel.S
@@ -7,11 +7,9 @@
 * This source code is licensed under the GNU General Public License,
 * Version 2.  See the file COPYING for more details.
 */
 #include <linux/linkage.h>
+#include <asm/addrspace.h>
-#define PAGE_SIZE      4096 /* must be same value as in <asm/page.h> */
+#include <asm/page.h>
                .globl relocate_new_kernel
 relocate_new_kernel:
@@ -20,8 +18,8 @@ relocate_new_kernel:
        /* r6 = start_address      */
        /* r7 = vbr_reg            */
-        mov.l   10f,r8    /* 4096 */
+        mov.l   10f,r8    /* PAGE_SIZE */
-        mov.l   11f,r9    /* 0xa0000000 */
+        mov.l   11f,r9    /* P2SEG */
        /*  stack setting */
        add     r8,r5
@@ -32,7 +30,7 @@ relocate_new_kernel:
 0:
        mov.l   @r4+,r0   /* cmd = *ind++ */
-1:      /* addr = (cmd | 0xa0000000) & 0xfffffff0 */
+1:      /* addr = (cmd | P2SEG) & 0xfffffff0 */
        mov     r0,r2
        or      r9,r2
        mov     #-16,r1
@@ -92,7 +90,7 @@ relocate_new_kernel:
 10:
        .long   PAGE_SIZE
 11:
-        .long   0xa0000000
+        .long   P2SEG
 relocate_new_kernel_end:
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 36d86f9ac38a..696ca75752d9 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -392,6 +392,7 @@ static int __init topology_init(void)
 subsys_initcall(topology_init);
 static const char *cpu_name[] = {
+        [CPU_SH7206]    = "SH7206",     [CPU_SH7619]    = "SH7619",
        [CPU_SH7604]    = "SH7604",     [CPU_SH7300]    = "SH7300",
        [CPU_SH7705]    = "SH7705",     [CPU_SH7706]    = "SH7706",
        [CPU_SH7707]    = "SH7707",     [CPU_SH7708]    = "SH7708",
@@ -404,6 +405,7 @@ static const char *cpu_name[] = {
        [CPU_SH4_202]   = "SH4-202",    [CPU_SH4_501]   = "SH4-501",
        [CPU_SH7770]    = "SH7770",     [CPU_SH7780]    = "SH7780",
        [CPU_SH7781]    = "SH7781",     [CPU_SH7343]    = "SH7343",
+        [CPU_SH7785]    = "SH7785",
        [CPU_SH_NONE]   = "Unknown"
 };
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index 8a2fd19dc9eb..c706f3bfd897 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -73,8 +73,6 @@ DECLARE_EXPORT(__lshrdi3);
 DECLARE_EXPORT(__movstr);
 DECLARE_EXPORT(__movstrSI16);
-EXPORT_SYMBOL(strcpy);
 #ifdef CONFIG_CPU_SH4
 DECLARE_EXPORT(__movstr_i4_even);
 DECLARE_EXPORT(__movstr_i4_odd);
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index 5213f5bc6ce0..50d7c4993bef 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -37,7 +37,7 @@
 asmlinkage int
 sys_sigsuspend(old_sigset_t mask,
               unsigned long r5, unsigned long r6, unsigned long r7,
-               struct pt_regs regs)
+               struct pt_regs __regs)
 {
        mask &= _BLOCKABLE;
        spin_lock_irq(&current->sighand->siglock);
@@ -52,7 +52,7 @@ sys_sigsuspend(old_sigset_t mask,
        return -ERESTARTNOHAND;
 }
-asmlinkage int 
+asmlinkage int
 sys_sigaction(int sig, const struct old_sigaction __user *act,
              struct old_sigaction __user *oact)
 {
@@ -87,9 +87,11 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
 asmlinkage int
 sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
                unsigned long r6, unsigned long r7,
-                struct pt_regs regs)
+                struct pt_regs __regs)
 {
-        return do_sigaltstack(uss, uoss, regs.regs[15]);
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        return do_sigaltstack(uss, uoss, regs->regs[15]);
 }
@@ -98,7 +100,11 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
 */
 #define MOVW(n)  (0x9300|((n)-2))       /* Move mem word at PC+n to R3 */
-#define TRAP16   0xc310                 /* Syscall w/no args (NR in R3) */
+#if defined(CONFIG_CPU_SH2) || defined(CONFIG_CPU_SH2A)
+#define TRAP_NOARG 0xc320               /* Syscall w/no args (NR in R3) */
+#else
+#define TRAP_NOARG 0xc310               /* Syscall w/no args (NR in R3) */
+#endif
 #define OR_R0_R0 0x200b                 /* or r0,r0 (insert to avoid hardware bug) */
 struct sigframe
@@ -194,9 +200,10 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
 asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
                             unsigned long r6, unsigned long r7,
-                             struct pt_regs regs)
+                             struct pt_regs __regs)
 {
-        struct sigframe __user *frame = (struct sigframe __user *)regs.regs[15];
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        struct sigframe __user *frame = (struct sigframe __user *)regs->regs[15];
        sigset_t set;
        int r0;
@@ -216,7 +223,7 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
-        if (restore_sigcontext(&regs, &frame->sc, &r0))
+        if (restore_sigcontext(regs, &frame->sc, &r0))
                goto badframe;
        return r0;
@@ -227,9 +234,10 @@ badframe:
 asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
                                unsigned long r6, unsigned long r7,
-                                struct pt_regs regs)
+                                struct pt_regs __regs)
 {
-        struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs.regs[15];
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->regs[15];
        sigset_t set;
        stack_t st;
        int r0;
@@ -246,14 +254,14 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
-        if (restore_sigcontext(&regs, &frame->uc.uc_mcontext, &r0))
+        if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
                goto badframe;
        if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
                goto badframe;
        /* It is more difficult to avoid calling this function than to
           call it and ignore errors.  */
-        do_sigaltstack(&st, NULL, regs.regs[15]);
+        do_sigaltstack(&st, NULL, regs->regs[15]);
        return r0;
@@ -350,7 +358,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
        } else {
                /* Generate return code (system call to sigreturn) */
                err |= __put_user(MOVW(7), &frame->retcode[0]);
-                err |= __put_user(TRAP16, &frame->retcode[1]);
+                err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
                err |= __put_user(OR_R0_R0, &frame->retcode[2]);
                err |= __put_user(OR_R0_R0, &frame->retcode[3]);
                err |= __put_user(OR_R0_R0, &frame->retcode[4]);
@@ -430,7 +438,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        } else {
                /* Generate return code (system call to rt_sigreturn) */
                err |= __put_user(MOVW(7), &frame->retcode[0]);
-                err |= __put_user(TRAP16, &frame->retcode[1]);
+                err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
                err |= __put_user(OR_R0_R0, &frame->retcode[2]);
                err |= __put_user(OR_R0_R0, &frame->retcode[3]);
                err |= __put_user(OR_R0_R0, &frame->retcode[4]);
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
new file mode 100644
index 000000000000..0d5268afe80f
--- /dev/null
+++ b/arch/sh/kernel/stacktrace.c
@@ -0,0 +1,43 @@
+/*
+ * arch/sh/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/thread_info.h>
+#include <asm/ptrace.h>
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ */
+void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
+{
+        unsigned long *sp;
+        if (!task)
+                task = current;
+        if (task == current)
+                sp = (unsigned long *)current_stack_pointer;
+        else
+                sp = (unsigned long *)task->thread.sp;
+        while (!kstack_end(sp)) {
+                unsigned long addr = *sp++;
+                if (__kernel_text_address(addr)) {
+                        if (trace->skip > 0)
+                                trace->skip--;
+                        else
+                                trace->entries[trace->nr_entries++] = addr;
+                        if (trace->nr_entries >= trace->max_entries)
+                                break;
+                }
+        }
+}
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 8fde95001c34..5083b6ed4b39 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -33,14 +33,15 @@
 */
 asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
        unsigned long r6, unsigned long r7,
-        struct pt_regs regs)
+        struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        int fd[2];
        int error;
        error = do_pipe(fd);
        if (!error) {
-                regs.regs[1] = fd[1];
+                regs->regs[1] = fd[1];
                return fd[0];
        }
        return error;
@@ -50,6 +51,7 @@ unsigned long shm_align_mask = PAGE_SIZE - 1;	/* Sane caches */
 EXPORT_SYMBOL(shm_align_mask);
+#ifdef CONFIG_MMU
 /*
 * To avoid cache aliases, we map the shared page with same color.
 */
@@ -135,6 +137,7 @@ full_search:
                        addr = COLOUR_ALIGN(addr, pgoff);
        }
 }
+#endif /* CONFIG_MMU */
 static inline long
 do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, 
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 57e708d7b52d..c206c9504c4b 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -13,6 +13,8 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/profile.h>
+#include <linux/timex.h>
+#include <linux/sched.h>
 #include <asm/clock.h>
 #include <asm/rtc.h>
 #include <asm/timer.h>
@@ -50,15 +52,20 @@ unsigned long long __attribute__ ((weak)) sched_clock(void)
 #ifndef CONFIG_GENERIC_TIME
 void do_gettimeofday(struct timeval *tv)
 {
+        unsigned long flags;
        unsigned long seq;
        unsigned long usec, sec;
        do {
-                seq = read_seqbegin(&xtime_lock);
+                /*
+                 * Turn off IRQs when grabbing xtime_lock, so that
+                 * the sys_timer get_offset code doesn't have to handle it.
+                 */
+                seq = read_seqbegin_irqsave(&xtime_lock, flags);
                usec = get_timer_offset();
                sec = xtime.tv_sec;
-                usec += xtime.tv_nsec / 1000;
+                usec += xtime.tv_nsec / NSEC_PER_USEC;
-        } while (read_seqretry(&xtime_lock, seq));
+        } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
        while (usec >= 1000000) {
                usec -= 1000000;
@@ -85,7 +92,7 @@ int do_settimeofday(struct timespec *tv)
         * wall time.  Discover what correction gettimeofday() would have
         * made, and then undo it!
         */
-        nsec -= 1000 * get_timer_offset();
+        nsec -= get_timer_offset() * NSEC_PER_USEC;
        wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
        wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
@@ -169,6 +176,108 @@ static struct sysdev_class timer_sysclass = {
        .resume  = timer_resume,
 };
+#ifdef CONFIG_NO_IDLE_HZ
+static int timer_dyn_tick_enable(void)
+{
+        struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick;
+        unsigned long flags;
+        int ret = -ENODEV;
+        if (dyn_tick) {
+                spin_lock_irqsave(&dyn_tick->lock, flags);
+                ret = 0;
+                if (!(dyn_tick->state & DYN_TICK_ENABLED)) {
+                        ret = dyn_tick->enable();
+                        if (ret == 0)
+                                dyn_tick->state |= DYN_TICK_ENABLED;
+                }
+                spin_unlock_irqrestore(&dyn_tick->lock, flags);
+        }
+        return ret;
+}
+static int timer_dyn_tick_disable(void)
+{
+        struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick;
+        unsigned long flags;
+        int ret = -ENODEV;
+        if (dyn_tick) {
+                spin_lock_irqsave(&dyn_tick->lock, flags);
+                ret = 0;
+                if (dyn_tick->state & DYN_TICK_ENABLED) {
+                        ret = dyn_tick->disable();
+                        if (ret == 0)
+                                dyn_tick->state &= ~DYN_TICK_ENABLED;
+                }
+                spin_unlock_irqrestore(&dyn_tick->lock, flags);
+        }
+        return ret;
+}
+/*
+ * Reprogram the system timer for at least the calculated time interval.
+ * This function should be called from the idle thread with IRQs disabled,
+ * immediately before sleeping.
+ */
+void timer_dyn_reprogram(void)
+{
+        struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick;
+        unsigned long next, seq, flags;
+        if (!dyn_tick)
+                return;
+        spin_lock_irqsave(&dyn_tick->lock, flags);
+        if (dyn_tick->state & DYN_TICK_ENABLED) {
+                next = next_timer_interrupt();
+                do {
+                        seq = read_seqbegin(&xtime_lock);
+                        dyn_tick->reprogram(next - jiffies);
+                } while (read_seqretry(&xtime_lock, seq));
+        }
+        spin_unlock_irqrestore(&dyn_tick->lock, flags);
+}
+static ssize_t timer_show_dyn_tick(struct sys_device *dev, char *buf)
+{
+        return sprintf(buf, "%i\n",
+                       (sys_timer->dyn_tick->state & DYN_TICK_ENABLED) >> 1);
+}
+static ssize_t timer_set_dyn_tick(struct sys_device *dev, const char *buf,
+                                  size_t count)
+{
+        unsigned int enable = simple_strtoul(buf, NULL, 2);
+        if (enable)
+                timer_dyn_tick_enable();
+        else
+                timer_dyn_tick_disable();
+        return count;
+}
+static SYSDEV_ATTR(dyn_tick, 0644, timer_show_dyn_tick, timer_set_dyn_tick);
+/*
+ * dyntick=enable|disable
+ */
+static char dyntick_str[4] __initdata = "";
+static int __init dyntick_setup(char *str)
+{
+        if (str)
+                strlcpy(dyntick_str, str, sizeof(dyntick_str));
+        return 1;
+}
+__setup("dyntick=", dyntick_setup);
+#endif
 static int __init timer_init_sysfs(void)
 {
        int ret = sysdev_class_register(&timer_sysclass);
@@ -176,7 +285,22 @@ static int __init timer_init_sysfs(void)
                return ret;
        sys_timer->dev.cls = &timer_sysclass;
-        return sysdev_register(&sys_timer->dev);
+        ret = sysdev_register(&sys_timer->dev);
+#ifdef CONFIG_NO_IDLE_HZ
+        if (ret == 0 && sys_timer->dyn_tick) {
+                ret = sysdev_create_file(&sys_timer->dev, &attr_dyn_tick);
+                /*
+                 * Turn on dynamic tick after calibrate delay
+                 * for correct bogomips
+                 */
+                if (ret == 0 && dyntick_str[0] == 'e')
+                        ret = timer_dyn_tick_enable();
+        }
+#endif
+        return ret;
 }
 device_initcall(timer_init_sysfs);
@@ -200,6 +324,11 @@ void __init time_init(void)
        sys_timer = get_sys_timer();
        printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
+#ifdef CONFIG_NO_IDLE_HZ
+        if (sys_timer->dyn_tick)
+                spin_lock_init(&sys_timer->dyn_tick->lock);
+#endif
 #if defined(CONFIG_SH_KGDB)
        /*
         * Set up kgdb as requested. We do it here because the serial
diff --git a/arch/sh/kernel/timers/Makefile b/arch/sh/kernel/timers/Makefile
index 151a6a304cec..bcf244ff6a12 100644
--- a/arch/sh/kernel/timers/Makefile
+++ b/arch/sh/kernel/timers/Makefile
@@ -5,4 +5,6 @@
 obj-y   := timer.o
 obj-$(CONFIG_SH_TMU)            += timer-tmu.o
+obj-$(CONFIG_SH_MTU2)           += timer-mtu2.o
+obj-$(CONFIG_SH_CMT)            += timer-cmt.o
diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c
new file mode 100644
index 000000000000..a574b93a4e7b
--- /dev/null
+++ b/arch/sh/kernel/timers/timer-cmt.c
@@ -0,0 +1,196 @@
+/*
+ * arch/sh/kernel/timers/timer-cmt.c - CMT Timer Support
+ *
+ *  Copyright (C) 2005  Yoshinori Sato
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/seqlock.h>
+#include <asm/timer.h>
+#include <asm/rtc.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/clock.h>
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define CMT_CMSTR       0xf84a0070
+#define CMT_CMCSR_0     0xf84a0072
+#define CMT_CMCNT_0     0xf84a0074
+#define CMT_CMCOR_0     0xf84a0076
+#define CMT_CMCSR_1     0xf84a0078
+#define CMT_CMCNT_1     0xf84a007a
+#define CMT_CMCOR_1     0xf84a007c
+#define STBCR3          0xf80a0000
+#define cmt_clock_enable() do { ctrl_outb(ctrl_inb(STBCR3) & ~0x10, STBCR3); } while(0)
+#define CMT_CMCSR_INIT  0x0040
+#define CMT_CMCSR_CALIB 0x0000
+#elif defined(CONFIG_CPU_SUBTYPE_SH7206)
+#define CMT_CMSTR       0xfffec000
+#define CMT_CMCSR_0     0xfffec002
+#define CMT_CMCNT_0     0xfffec004
+#define CMT_CMCOR_0     0xfffec006
+#define STBCR4          0xfffe040c
+#define cmt_clock_enable() do { ctrl_outb(ctrl_inb(STBCR4) & ~0x04, STBCR4); } while(0)
+#define CMT_CMCSR_INIT  0x0040
+#define CMT_CMCSR_CALIB 0x0000
+#else
+#error "Unknown CPU SUBTYPE"
+#endif
+static unsigned long cmt_timer_get_offset(void)
+{
+        int count;
+        static unsigned short count_p = 0xffff;    /* for the first call after boot */
+        static unsigned long jiffies_p = 0;
+        /*
+         * cache volatile jiffies temporarily; we have IRQs turned off.
+         */
+        unsigned long jiffies_t;
+        /* timer count may underflow right here */
+        count =  ctrl_inw(CMT_CMCOR_0);
+        count -= ctrl_inw(CMT_CMCNT_0);
+        jiffies_t = jiffies;
+        /*
+         * avoiding timer inconsistencies (they are rare, but they happen)...
+         * there is one kind of problem that must be avoided here:
+         *  1. the timer counter underflows
+         */
+        if (jiffies_t == jiffies_p) {
+                if (count > count_p) {
+                        /* the nutcase */
+                        if (ctrl_inw(CMT_CMCSR_0) & 0x80) { /* Check CMF bit */
+                                count -= LATCH;
+                        } else {
+                                printk("%s (): hardware timer problem?\n",
+                                       __FUNCTION__);
+                        }
+                }
+        } else
+                jiffies_p = jiffies_t;
+        count_p = count;
+        count = ((LATCH-1) - count) * TICK_SIZE;
+        count = (count + LATCH/2) / LATCH;
+        return count;
+}
+static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id)
+{
+        unsigned long timer_status;
+        /* Clear CMF bit */
+        timer_status = ctrl_inw(CMT_CMCSR_0);
+        timer_status &= ~0x80;
+        ctrl_outw(timer_status, CMT_CMCSR_0);
+        /*
+         * Here we are in the timer irq handler. We just have irqs locally
+         * disabled but we don't know if the timer_bh is running on the other
+         * CPU. We need to avoid to SMP race with it. NOTE: we don' t need
+         * the irq version of write_lock because as just said we have irq
+         * locally disabled. -arca
+         */
+        write_seqlock(&xtime_lock);
+        handle_timer_tick();
+        write_sequnlock(&xtime_lock);
+        return IRQ_HANDLED;
+}
+static struct irqaction cmt_irq = {
+        .name           = "timer",
+        .handler        = cmt_timer_interrupt,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
+        .mask           = CPU_MASK_NONE,
+};
+static void cmt_clk_init(struct clk *clk)
+{
+        u8 divisor = CMT_CMCSR_INIT & 0x3;
+        ctrl_inw(CMT_CMCSR_0);
+        ctrl_outw(CMT_CMCSR_INIT, CMT_CMCSR_0);
+        clk->parent = clk_get(NULL, "module_clk");
+        clk->rate = clk->parent->rate / (8 << (divisor << 1));
+}
+static void cmt_clk_recalc(struct clk *clk)
+{
+        u8 divisor = ctrl_inw(CMT_CMCSR_0) & 0x3;
+        clk->rate = clk->parent->rate / (8 << (divisor << 1));
+}
+static struct clk_ops cmt_clk_ops = {
+        .init           = cmt_clk_init,
+        .recalc         = cmt_clk_recalc,
+};
+static struct clk cmt0_clk = {
+        .name           = "cmt0_clk",
+        .ops            = &cmt_clk_ops,
+};
+static int cmt_timer_start(void)
+{
+        ctrl_outw(ctrl_inw(CMT_CMSTR) | 0x01, CMT_CMSTR);
+        return 0;
+}
+static int cmt_timer_stop(void)
+{
+        ctrl_outw(ctrl_inw(CMT_CMSTR) & ~0x01, CMT_CMSTR);
+        return 0;
+}
+static int cmt_timer_init(void)
+{
+        unsigned long interval;
+        cmt_clock_enable();
+        setup_irq(CONFIG_SH_TIMER_IRQ, &cmt_irq);
+        cmt0_clk.parent = clk_get(NULL, "module_clk");
+        cmt_timer_stop();
+        interval = cmt0_clk.parent->rate / 8 / HZ;
+        printk(KERN_INFO "Interval = %ld\n", interval);
+        ctrl_outw(interval, CMT_CMCOR_0);
+        clk_register(&cmt0_clk);
+        clk_enable(&cmt0_clk);
+        cmt_timer_start();
+        return 0;
+}
+struct sys_timer_ops cmt_timer_ops = {
+        .init           = cmt_timer_init,
+        .start          = cmt_timer_start,
+        .stop           = cmt_timer_stop,
+#ifndef CONFIG_GENERIC_TIME
+        .get_offset     = cmt_timer_get_offset,
+#endif
+};
+struct sys_timer cmt_timer = {
+        .name   = "cmt",
+        .ops    = &cmt_timer_ops,
+};
diff --git a/arch/sh/kernel/timers/timer-mtu2.c b/arch/sh/kernel/timers/timer-mtu2.c
new file mode 100644
index 000000000000..fffcd1c09873
--- /dev/null
+++ b/arch/sh/kernel/timers/timer-mtu2.c
@@ -0,0 +1,200 @@
+/*
+ * arch/sh/kernel/timers/timer-mtu2.c - MTU2 Timer Support
+ *
+ *  Copyright (C) 2005  Paul Mundt
+ *
+ * Based off of arch/sh/kernel/timers/timer-tmu.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/seqlock.h>
+#include <asm/timer.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/clock.h>
+/*
+ * We use channel 1 for our lowly system timer. Channel 2 would be the other
+ * likely candidate, but we leave it alone as it has higher divisors that
+ * would be of more use to other more interesting applications.
+ *
+ * TODO: Presently we only implement a 16-bit single-channel system timer.
+ * However, we can implement channel cascade if we go the overflow route and
+ * get away with using 2 MTU2 channels as a 32-bit timer.
+ */
+#define MTU2_TSTR       0xfffe4280
+#define MTU2_TCR_1      0xfffe4380
+#define MTU2_TMDR_1     0xfffe4381
+#define MTU2_TIOR_1     0xfffe4382
+#define MTU2_TIER_1     0xfffe4384
+#define MTU2_TSR_1      0xfffe4385
+#define MTU2_TCNT_1     0xfffe4386      /* 16-bit counter */
+#define MTU2_TGRA_1     0xfffe438a
+#define STBCR3          0xfffe0408
+#define MTU2_TSTR_CST1  (1 << 1)        /* Counter Start 1 */
+#define MTU2_TSR_TGFA   (1 << 0)        /* GRA compare match */
+#define MTU2_TIER_TGIEA (1 << 0)        /* GRA compare match  interrupt enable */
+#define MTU2_TCR_INIT   0x22
+#define MTU2_TCR_CALIB  0x00
+static unsigned long mtu2_timer_get_offset(void)
+{
+        int count;
+        static int count_p = 0x7fff;    /* for the first call after boot */
+        static unsigned long jiffies_p = 0;
+        /*
+         * cache volatile jiffies temporarily; we have IRQs turned off.
+         */
+        unsigned long jiffies_t;
+        /* timer count may underflow right here */
+        count = ctrl_inw(MTU2_TCNT_1);  /* read the latched count */
+        jiffies_t = jiffies;
+        /*
+         * avoiding timer inconsistencies (they are rare, but they happen)...
+         * there is one kind of problem that must be avoided here:
+         *  1. the timer counter underflows
+         */
+        if (jiffies_t == jiffies_p) {
+                if (count > count_p) {
+                        if (ctrl_inb(MTU2_TSR_1) & MTU2_TSR_TGFA) {
+                                count -= LATCH;
+                        } else {
+                                printk("%s (): hardware timer problem?\n",
+                                       __FUNCTION__);
+                        }
+                }
+        } else
+                jiffies_p = jiffies_t;
+        count_p = count;
+        count = ((LATCH-1) - count) * TICK_SIZE;
+        count = (count + LATCH/2) / LATCH;
+        return count;
+}
+static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id)
+{
+        unsigned long timer_status;
+        /* Clear TGFA bit */
+        timer_status = ctrl_inb(MTU2_TSR_1);
+        timer_status &= ~MTU2_TSR_TGFA;
+        ctrl_outb(timer_status, MTU2_TSR_1);
+        /* Do timer tick */
+        write_seqlock(&xtime_lock);
+        handle_timer_tick();
+        write_sequnlock(&xtime_lock);
+        return IRQ_HANDLED;
+}
+static struct irqaction mtu2_irq = {
+        .name           = "timer",
+        .handler        = mtu2_timer_interrupt,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
+        .mask           = CPU_MASK_NONE,
+};
+static unsigned int divisors[] = { 1, 4, 16, 64, 1, 1, 256 };
+static void mtu2_clk_init(struct clk *clk)
+{
+        u8 idx = MTU2_TCR_INIT & 0x7;
+        clk->rate = clk->parent->rate / divisors[idx];
+        /* Start TCNT counting */
+        ctrl_outb(ctrl_inb(MTU2_TSTR) | MTU2_TSTR_CST1, MTU2_TSTR);
+}
+static void mtu2_clk_recalc(struct clk *clk)
+{
+        u8 idx = ctrl_inb(MTU2_TCR_1) & 0x7;
+        clk->rate = clk->parent->rate / divisors[idx];
+}
+static struct clk_ops mtu2_clk_ops = {
+        .init           = mtu2_clk_init,
+        .recalc         = mtu2_clk_recalc,
+};
+static struct clk mtu2_clk1 = {
+        .name           = "mtu2_clk1",
+        .ops            = &mtu2_clk_ops,
+};
+static int mtu2_timer_start(void)
+{
+        ctrl_outb(ctrl_inb(MTU2_TSTR) | MTU2_TSTR_CST1, MTU2_TSTR);
+        return 0;
+}
+static int mtu2_timer_stop(void)
+{
+        ctrl_outb(ctrl_inb(MTU2_TSTR) & ~MTU2_TSTR_CST1, MTU2_TSTR);
+        return 0;
+}
+static int mtu2_timer_init(void)
+{
+        u8 tmp;
+        unsigned long interval;
+        setup_irq(CONFIG_SH_TIMER_IRQ, &mtu2_irq);
+        mtu2_clk1.parent = clk_get(NULL, "module_clk");
+        ctrl_outb(ctrl_inb(STBCR3) & (~0x20), STBCR3);
+        /* Normal operation */
+        ctrl_outb(0, MTU2_TMDR_1);
+        ctrl_outb(MTU2_TCR_INIT, MTU2_TCR_1);
+        ctrl_outb(0x01, MTU2_TIOR_1);
+        /* Enable underflow interrupt */
+        ctrl_outb(ctrl_inb(MTU2_TIER_1) | MTU2_TIER_TGIEA, MTU2_TIER_1);
+        interval = CONFIG_SH_PCLK_FREQ / 16 / HZ;
+        printk(KERN_INFO "Interval = %ld\n", interval);
+        ctrl_outw(interval, MTU2_TGRA_1);
+        ctrl_outw(0, MTU2_TCNT_1);
+        clk_register(&mtu2_clk1);
+        clk_enable(&mtu2_clk1);
+        return 0;
+}
+struct sys_timer_ops mtu2_timer_ops = {
+        .init           = mtu2_timer_init,
+        .start          = mtu2_timer_start,
+        .stop           = mtu2_timer_stop,
+#ifndef CONFIG_GENERIC_TIME
+        .get_offset     = mtu2_timer_get_offset,
+#endif
+};
+struct sys_timer mtu2_timer = {
+        .name   = "mtu2",
+        .ops    = &mtu2_timer_ops,
+};
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index 24927015dc31..e060e71d0785 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -17,7 +17,6 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
-#include <linux/spinlock.h>
 #include <linux/seqlock.h>
 #include <asm/timer.h>
 #include <asm/rtc.h>
@@ -31,13 +30,9 @@
 #define TMU0_TCR_CALIB  0x0000
-static DEFINE_SPINLOCK(tmu0_lock);
 static unsigned long tmu_timer_get_offset(void)
 {
        int count;
-        unsigned long flags;
        static int count_p = 0x7fffffff;    /* for the first call after boot */
        static unsigned long jiffies_p = 0;
@@ -46,7 +41,6 @@ static unsigned long tmu_timer_get_offset(void)
         */
        unsigned long jiffies_t;
-        spin_lock_irqsave(&tmu0_lock, flags);
        /* timer count may underflow right here */
        count = ctrl_inl(TMU0_TCNT);    /* read the latched count */
@@ -72,7 +66,6 @@ static unsigned long tmu_timer_get_offset(void)
                jiffies_p = jiffies_t;
        count_p = count;
-        spin_unlock_irqrestore(&tmu0_lock, flags);
        count = ((LATCH-1) - count) * TICK_SIZE;
        count = (count + LATCH/2) / LATCH;
@@ -106,7 +99,7 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dummy)
 static struct irqaction tmu_irq = {
        .name           = "timer",
        .handler        = tmu_timer_interrupt,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
        .mask           = CPU_MASK_NONE,
 };
@@ -149,9 +142,9 @@ static int tmu_timer_init(void)
 {
        unsigned long interval;
-        setup_irq(TIMER_IRQ, &tmu_irq);
+        setup_irq(CONFIG_SH_TIMER_IRQ, &tmu_irq);
-        tmu0_clk.parent = clk_get("module_clk");
+        tmu0_clk.parent = clk_get(NULL, "module_clk");
        /* Start TMU0 */
        tmu_timer_stop();
diff --git a/arch/sh/kernel/timers/timer.c b/arch/sh/kernel/timers/timer.c
index dc1f631053a8..a6bcc913d25e 100644
--- a/arch/sh/kernel/timers/timer.c
+++ b/arch/sh/kernel/timers/timer.c
@@ -17,6 +17,12 @@ static struct sys_timer *sys_timers[] __initdata = {
 #ifdef CONFIG_SH_TMU
        &tmu_timer,
 #endif
+#ifdef CONFIG_SH_MTU2
+        &mtu2_timer,
+#endif
+#ifdef CONFIG_SH_CMT
+        &cmt_timer,
+#endif
        NULL,
 };
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 53dfa55f3156..3762d9dc2046 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -18,13 +18,14 @@
 #include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/io.h>
+#include <linux/debug_locks.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
-#define CHK_REMOTE_DEBUG(regs)                  \
+#define CHK_REMOTE_DEBUG(regs)                  \
-{                                               \
+{                                               \
        if (kgdb_debug_hook && !user_mode(regs))\
                (*kgdb_debug_hook)(regs);       \
 }
@@ -33,8 +34,13 @@
 #endif
 #ifdef CONFIG_CPU_SH2
-#define TRAP_RESERVED_INST      4
+# define TRAP_RESERVED_INST     4
-#define TRAP_ILLEGAL_SLOT_INST  6
+# define TRAP_ILLEGAL_SLOT_INST 6
+# define TRAP_ADDRESS_ERROR     9
+# ifdef CONFIG_CPU_SH2A
+#  define TRAP_DIVZERO_ERROR    17
+#  define TRAP_DIVOVF_ERROR     18
+# endif
 #else
 #define TRAP_RESERVED_INST      12
 #define TRAP_ILLEGAL_SLOT_INST  13
@@ -88,7 +94,7 @@ void die(const char * str, struct pt_regs * regs, long err)
        if (!user_mode(regs) || in_interrupt())
                dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
-                         (unsigned long)task_stack_page(current));
+                         (unsigned long)task_stack_page(current));
        bust_spinlocks(0);
        spin_unlock_irq(&die_lock);
@@ -102,8 +108,6 @@ static inline void die_if_kernel(const char *str, struct pt_regs *regs,
                die(str, regs, err);
 }
-static int handle_unaligned_notify_count = 10;
 /*
 * try and fix up kernelspace address errors
 * - userspace errors just cause EFAULT to be returned, resulting in SEGV
@@ -198,7 +202,7 @@ static int handle_unaligned_ins(u16 instruction, struct pt_regs *regs)
                if (copy_to_user(dst,src,4))
                        goto fetch_fault;
                ret = 0;
-                break;
+                break;
        case 2: /* mov.[bwl] to memory, possibly with pre-decrement */
                if (instruction & 4)
@@ -222,7 +226,7 @@ static int handle_unaligned_ins(u16 instruction, struct pt_regs *regs)
                if (copy_from_user(dst,src,4))
                        goto fetch_fault;
                ret = 0;
-                break;
+                break;
        case 6: /* mov.[bwl] from memory, possibly with post-increment */
                src = (unsigned char*) *rm;
@@ -230,7 +234,7 @@ static int handle_unaligned_ins(u16 instruction, struct pt_regs *regs)
                        *rm += count;
                dst = (unsigned char*) rn;
                *(unsigned long*)dst = 0;
-                
 #ifdef __LITTLE_ENDIAN__
                if (copy_from_user(dst, src, count))
                        goto fetch_fault;
@@ -241,7 +245,7 @@ static int handle_unaligned_ins(u16 instruction, struct pt_regs *regs)
                }
 #else
                dst += 4-count;
-                
                if (copy_from_user(dst, src, count))
                        goto fetch_fault;
@@ -320,7 +324,8 @@ static inline int handle_unaligned_delayslot(struct pt_regs *regs)
                        return -EFAULT;
                /* kernel */
-                die("delay-slot-insn faulting in handle_unaligned_delayslot", regs, 0);
+                die("delay-slot-insn faulting in handle_unaligned_delayslot",
+                    regs, 0);
        }
        return handle_unaligned_ins(instruction,regs);
@@ -342,6 +347,13 @@ static inline int handle_unaligned_delayslot(struct pt_regs *regs)
 #define SH_PC_8BIT_OFFSET(instr) ((((signed char)(instr))*2) + 4)
 #define SH_PC_12BIT_OFFSET(instr) ((((signed short)(instr<<4))>>3) + 4)
+/*
+ * XXX: SH-2A needs this too, but it needs an overhaul thanks to mixed 32-bit
+ * opcodes..
+ */
+#ifndef CONFIG_CPU_SH2A
+static int handle_unaligned_notify_count = 10;
 static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
 {
        u_int rm;
@@ -354,7 +366,8 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
        if (user_mode(regs) && handle_unaligned_notify_count>0) {
                handle_unaligned_notify_count--;
-                printk("Fixing up unaligned userspace access in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
+                printk(KERN_NOTICE "Fixing up unaligned userspace access "
+                       "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
                       current->comm,current->pid,(u16*)regs->pc,instruction);
        }
@@ -478,32 +491,58 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
                regs->pc += 2;
        return ret;
 }
+#endif /* CONFIG_CPU_SH2A */
+#ifdef CONFIG_CPU_HAS_SR_RB
+#define lookup_exception_vector(x)      \
+        __asm__ __volatile__ ("stc r2_bank, %0\n\t" : "=r" ((x)))
+#else
+#define lookup_exception_vector(x)      \
+        __asm__ __volatile__ ("mov r4, %0\n\t" : "=r" ((x)))
+#endif
 /*
- * Handle various address error exceptions
+ * Handle various address error exceptions:
+ *  - instruction address error:
+ *       misaligned PC
+ *       PC >= 0x80000000 in user mode
+ *  - data address error (read and write)
+ *       misaligned data access
+ *       access to >= 0x80000000 is user mode
+ * Unfortuntaly we can't distinguish between instruction address error
+ * and data address errors caused by read acceses.
 */
-asmlinkage void do_address_error(struct pt_regs *regs, 
+asmlinkage void do_address_error(struct pt_regs *regs,
                                 unsigned long writeaccess,
                                 unsigned long address)
 {
-        unsigned long error_code;
+        unsigned long error_code = 0;
        mm_segment_t oldfs;
+        siginfo_t info;
+#ifndef CONFIG_CPU_SH2A
        u16 instruction;
        int tmp;
+#endif
-        asm volatile("stc       r2_bank,%0": "=r" (error_code));
+        /* Intentional ifdef */
+#ifdef CONFIG_CPU_HAS_SR_RB
+        lookup_exception_vector(error_code);
+#endif
        oldfs = get_fs();
        if (user_mode(regs)) {
+                int si_code = BUS_ADRERR;
                local_irq_enable();
-                current->thread.error_code = error_code;
-                current->thread.trap_no = (writeaccess) ? 8 : 7;
                /* bad PC is not something we can fix */
-                if (regs->pc & 1)
+                if (regs->pc & 1) {
+                        si_code = BUS_ADRALN;
                        goto uspace_segv;
+                }
+#ifndef CONFIG_CPU_SH2A
                set_fs(USER_DS);
                if (copy_from_user(&instruction, (u16 *)(regs->pc), 2)) {
                        /* Argh. Fault on the instruction itself.
@@ -518,14 +557,23 @@ asmlinkage void do_address_error(struct pt_regs *regs,
                if (tmp==0)
                        return; /* sorted */
+#endif
-        uspace_segv:
+uspace_segv:
-                printk(KERN_NOTICE "Killing process \"%s\" due to unaligned access\n", current->comm);
+                printk(KERN_NOTICE "Sending SIGBUS to \"%s\" due to unaligned "
-                force_sig(SIGSEGV, current);
+                       "access (PC %lx PR %lx)\n", current->comm, regs->pc,
+                       regs->pr);
+                info.si_signo = SIGBUS;
+                info.si_errno = 0;
+                info.si_code = si_code;
+                info.si_addr = (void *) address;
+                force_sig_info(SIGBUS, &info, current);
        } else {
                if (regs->pc & 1)
                        die("unaligned program counter", regs, error_code);
+#ifndef CONFIG_CPU_SH2A
                set_fs(KERNEL_DS);
                if (copy_from_user(&instruction, (u16 *)(regs->pc), 2)) {
                        /* Argh. Fault on the instruction itself.
@@ -537,6 +585,12 @@ asmlinkage void do_address_error(struct pt_regs *regs,
                handle_unaligned_access(instruction, regs);
                set_fs(oldfs);
+#else
+                printk(KERN_NOTICE "Killing process \"%s\" due to unaligned "
+                       "access\n", current->comm);
+                force_sig(SIGSEGV, current);
+#endif
        }
 }
@@ -548,7 +602,7 @@ int is_dsp_inst(struct pt_regs *regs)
 {
        unsigned short inst;
-        /* 
+        /*
         * Safe guard if DSP mode is already enabled or we're lacking
         * the DSP altogether.
         */
@@ -569,27 +623,49 @@ int is_dsp_inst(struct pt_regs *regs)
 #define is_dsp_inst(regs)       (0)
 #endif /* CONFIG_SH_DSP */
+#ifdef CONFIG_CPU_SH2A
+asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
+                                unsigned long r6, unsigned long r7,
+                                struct pt_regs __regs)
+{
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+        siginfo_t info;
+        switch (r4) {
+        case TRAP_DIVZERO_ERROR:
+                info.si_code = FPE_INTDIV;
+                break;
+        case TRAP_DIVOVF_ERROR:
+                info.si_code = FPE_INTOVF;
+                break;
+        }
+        force_sig_info(SIGFPE, &info, current);
+}
+#endif
 /* arch/sh/kernel/cpu/sh4/fpu.c */
 extern int do_fpu_inst(unsigned short, struct pt_regs *);
 extern asmlinkage void do_fpu_state_restore(unsigned long r4, unsigned long r5,
-                unsigned long r6, unsigned long r7, struct pt_regs regs);
+                unsigned long r6, unsigned long r7, struct pt_regs __regs);
 asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
                                unsigned long r6, unsigned long r7,
-                                struct pt_regs regs)
+                                struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        unsigned long error_code;
        struct task_struct *tsk = current;
 #ifdef CONFIG_SH_FPU_EMU
-        unsigned short inst;
+        unsigned short inst = 0;
        int err;
-        get_user(inst, (unsigned short*)regs.pc);
+        get_user(inst, (unsigned short*)regs->pc);
-        err = do_fpu_inst(inst, &regs);
+        err = do_fpu_inst(inst, regs);
        if (!err) {
-                regs.pc += 2;
+                regs->pc += 2;
                return;
        }
        /* not a FPU inst. */
@@ -597,20 +673,19 @@ asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
 #ifdef CONFIG_SH_DSP
        /* Check if it's a DSP instruction */
-        if (is_dsp_inst(&regs)) {
+        if (is_dsp_inst(regs)) {
                /* Enable DSP mode, and restart instruction. */
-                regs.sr |= SR_DSP;
+                regs->sr |= SR_DSP;
                return;
        }
 #endif
-        asm volatile("stc       r2_bank, %0": "=r" (error_code));
+        lookup_exception_vector(error_code);
        local_irq_enable();
-        tsk->thread.error_code = error_code;
+        CHK_REMOTE_DEBUG(regs);
-        tsk->thread.trap_no = TRAP_RESERVED_INST;
-        CHK_REMOTE_DEBUG(&regs);
        force_sig(SIGILL, tsk);
-        die_if_no_fixup("reserved instruction", &regs, error_code);
+        die_if_no_fixup("reserved instruction", regs, error_code);
 }
 #ifdef CONFIG_SH_FPU_EMU
@@ -658,39 +733,41 @@ static int emulate_branch(unsigned short inst, struct pt_regs* regs)
 asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
                                unsigned long r6, unsigned long r7,
-                                struct pt_regs regs)
+                                struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        unsigned long error_code;
        struct task_struct *tsk = current;
 #ifdef CONFIG_SH_FPU_EMU
-        unsigned short inst;
+        unsigned short inst = 0;
-        get_user(inst, (unsigned short *)regs.pc + 1);
+        get_user(inst, (unsigned short *)regs->pc + 1);
-        if (!do_fpu_inst(inst, &regs)) {
+        if (!do_fpu_inst(inst, regs)) {
-                get_user(inst, (unsigned short *)regs.pc);
+                get_user(inst, (unsigned short *)regs->pc);
-                if (!emulate_branch(inst, &regs))
+                if (!emulate_branch(inst, regs))
                        return;
                /* fault in branch.*/
        }
        /* not a FPU inst. */
 #endif
-        asm volatile("stc       r2_bank, %0": "=r" (error_code));
+        lookup_exception_vector(error_code);
        local_irq_enable();
-        tsk->thread.error_code = error_code;
+        CHK_REMOTE_DEBUG(regs);
-        tsk->thread.trap_no = TRAP_RESERVED_INST;
-        CHK_REMOTE_DEBUG(&regs);
        force_sig(SIGILL, tsk);
-        die_if_no_fixup("illegal slot instruction", &regs, error_code);
+        die_if_no_fixup("illegal slot instruction", regs, error_code);
 }
 asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
                                   unsigned long r6, unsigned long r7,
-                                   struct pt_regs regs)
+                                   struct pt_regs __regs)
 {
+        struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
        long ex;
-        asm volatile("stc       r2_bank, %0" : "=r" (ex));
-        die_if_kernel("exception", &regs, ex);
+        lookup_exception_vector(ex);
+        die_if_kernel("exception", regs, ex);
 }
 #if defined(CONFIG_SH_STANDARD_BIOS)
@@ -735,12 +812,16 @@ void *set_exception_table_vec(unsigned int vec, void *handler)
 {
        extern void *exception_handling_table[];
        void *old_handler;
-        
        old_handler = exception_handling_table[vec];
        exception_handling_table[vec] = handler;
        return old_handler;
 }
+extern asmlinkage void address_error_handler(unsigned long r4, unsigned long r5,
+                                             unsigned long r6, unsigned long r7,
+                                             struct pt_regs __regs);
 void __init trap_init(void)
 {
        set_exception_table_vec(TRAP_RESERVED_INST, do_reserved_inst);
@@ -759,7 +840,15 @@ void __init trap_init(void)
        set_exception_table_evt(0x800, do_fpu_state_restore);
        set_exception_table_evt(0x820, do_fpu_state_restore);
 #endif
-                
+#ifdef CONFIG_CPU_SH2
+        set_exception_table_vec(TRAP_ADDRESS_ERROR, address_error_handler);
+#endif
+#ifdef CONFIG_CPU_SH2A
+        set_exception_table_vec(TRAP_DIVZERO_ERROR, do_divide_error);
+        set_exception_table_vec(TRAP_DIVOVF_ERROR, do_divide_error);
+#endif
        /* Setup VBR for boot cpu */
        per_cpu_trap_init();
 }
@@ -784,6 +873,11 @@ void show_trace(struct task_struct *tsk, unsigned long *sp,
        }
        printk("\n");
+        if (!tsk)
+                tsk = current;
+        debug_show_held_locks(tsk);
 }
 void show_stack(struct task_struct *tsk, unsigned long *sp)
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 9dd606464d23..4e0362f50384 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -4,8 +4,12 @@ menu "Processor selection"
 # Processor families
 #
 config CPU_SH2
+        select SH_WRITETHROUGH if !CPU_SH2A
        bool
-        select SH_WRITETHROUGH
+config CPU_SH2A
+        bool
+        select CPU_SH2
 config CPU_SH3
        bool
@@ -16,6 +20,7 @@ config CPU_SH4
        bool
        select CPU_HAS_INTEVT
        select CPU_HAS_SR_RB
+        select CPU_HAS_PTEA if !CPU_SUBTYPE_ST40
 config CPU_SH4A
        bool
@@ -40,6 +45,16 @@ config CPU_SUBTYPE_SH7604
        bool "Support SH7604 processor"
        select CPU_SH2
+config CPU_SUBTYPE_SH7619
+        bool "Support SH7619 processor"
+        select CPU_SH2
+comment "SH-2A Processor Support"
+config CPU_SUBTYPE_SH7206
+        bool "Support SH7206 processor"
+        select CPU_SH2A
 comment "SH-3 Processor Support"
 config CPU_SUBTYPE_SH7300
@@ -89,6 +104,7 @@ comment "SH-4 Processor Support"
 config CPU_SUBTYPE_SH7750
        bool "Support SH7750 processor"
        select CPU_SH4
+        select CPU_HAS_IPR_IRQ
        help
          Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
@@ -104,15 +120,18 @@ config CPU_SUBTYPE_SH7750R
        bool "Support SH7750R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
+        select CPU_HAS_IPR_IRQ
 config CPU_SUBTYPE_SH7750S
        bool "Support SH7750S processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
+        select CPU_HAS_IPR_IRQ
 config CPU_SUBTYPE_SH7751
        bool "Support SH7751 processor"
        select CPU_SH4
+        select CPU_HAS_IPR_IRQ
        help
          Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
          or if you have a HD6417751R CPU.
@@ -121,6 +140,7 @@ config CPU_SUBTYPE_SH7751R
        bool "Support SH7751R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7751
+        select CPU_HAS_IPR_IRQ
 config CPU_SUBTYPE_SH7760
        bool "Support SH7760 processor"
@@ -157,6 +177,11 @@ config CPU_SUBTYPE_SH7780
        select CPU_SH4A
        select CPU_HAS_INTC2_IRQ
+config CPU_SUBTYPE_SH7785
+        bool "Support SH7785 processor"
+        select CPU_SH4A
+        select CPU_HAS_INTC2_IRQ
 comment "SH4AL-DSP Processor Support"
 config CPU_SUBTYPE_SH73180
@@ -216,13 +241,22 @@ config MEMORY_SIZE
 config 32BIT
        bool "Support 32-bit physical addressing through PMB"
-        depends on CPU_SH4A && MMU
+        depends on CPU_SH4A && MMU && (!X2TLB || BROKEN)
        default y
        help
          If you say Y here, physical addressing will be extended to
          32-bits through the SH-4A PMB. If this is not set, legacy
          29-bit physical addressing will be used.
+config X2TLB
+        bool "Enable extended TLB mode"
+        depends on CPU_SUBTYPE_SH7785 && MMU && EXPERIMENTAL
+        help
+          Selecting this option will enable the extended mode of the SH-X2
+          TLB. For legacy SH-X behaviour and interoperability, say N. For
+          all of the fun new features and a willingless to submit bug reports,
+          say Y.
 config VSYSCALL
        bool "Support vsyscall page"
        depends on MMU
@@ -237,16 +271,52 @@ config VSYSCALL
          (the default value) say Y.
 choice
+        prompt "Kernel page size"
+        default PAGE_SIZE_4KB
+config PAGE_SIZE_4KB
+        bool "4kB"
+        help
+          This is the default page size used by all SuperH CPUs.
+config PAGE_SIZE_8KB
+        bool "8kB"
+        depends on EXPERIMENTAL && X2TLB
+        help
+          This enables 8kB pages as supported by SH-X2 and later MMUs.
+config PAGE_SIZE_64KB
+        bool "64kB"
+        depends on EXPERIMENTAL && CPU_SH4
+        help
+          This enables support for 64kB pages, possible on all SH-4
+          CPUs and later. Highly experimental, not recommended.
+endchoice
+choice
        prompt "HugeTLB page size"
        depends on HUGETLB_PAGE && CPU_SH4 && MMU
        default HUGETLB_PAGE_SIZE_64K
 config HUGETLB_PAGE_SIZE_64K
-        bool "64K"
+        bool "64kB"
+config HUGETLB_PAGE_SIZE_256K
+        bool "256kB"
+        depends on X2TLB
 config HUGETLB_PAGE_SIZE_1MB
        bool "1MB"
+config HUGETLB_PAGE_SIZE_4MB
+        bool "4MB"
+        depends on X2TLB
+config HUGETLB_PAGE_SIZE_64MB
+        bool "64MB"
+        depends on X2TLB
 endchoice
 source "mm/Kconfig"
@@ -274,7 +344,6 @@ config SH_DIRECT_MAPPED
 config SH_WRITETHROUGH
        bool "Use write-through caching"
-        default y if CPU_SH2
        help
          Selecting this option will configure the caches in write-through
          mode, as opposed to the default write-back configuration.
diff --git a/arch/sh/mm/cache-sh2.c b/arch/sh/mm/cache-sh2.c
index 2689cb24ea2b..6614033f6be9 100644
--- a/arch/sh/mm/cache-sh2.c
+++ b/arch/sh/mm/cache-sh2.c
@@ -5,6 +5,7 @@
 *
 * Released under the terms of the GNU GPL v2.0.
 */
 #include <linux/init.h>
 #include <linux/mm.h>
@@ -14,37 +15,43 @@
 #include <asm/cacheflush.h>
 #include <asm/io.h>
-/*
+void __flush_wback_region(void *start, int size)
- * Calculate the OC address and set the way bit on the SH-2.
- *
- * We must have already jump_to_P2()'ed prior to calling this
- * function, since we rely on CCR manipulation to do the
- * Right Thing(tm).
- */
-unsigned long __get_oc_addr(unsigned long set, unsigned long way)
 {
-        unsigned long ccr;
+        unsigned long v;
+        unsigned long begin, end;
-        /*
-         * On SH-2 the way bit isn't tracked in the address field
+        begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
-         * if we're doing address array access .. instead, we need
+        end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
-         * to manually switch out the way in the CCR.
+                & ~(L1_CACHE_BYTES-1);
-         */
+        for (v = begin; v < end; v+=L1_CACHE_BYTES) {
-        ccr = ctrl_inl(CCR);
+                /* FIXME cache purge */
-        ccr &= ~0x00c0;
+                ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
-        ccr |= way << cpu_data->dcache.way_shift;
+        }
+}
-        /*
-         * Despite the number of sets being halved, we end up losing
+void __flush_purge_region(void *start, int size)
-         * the first 2 ways to OCRAM instead of the last 2 (if we're
+{
-         * 4-way). As a result, forcibly setting the W1 bit handily
+        unsigned long v;
-         * bumps us up 2 ways.
+        unsigned long begin, end;
-         */
-        if (ccr & CCR_CACHE_ORA)
+        begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
-                ccr |= 1 << (cpu_data->dcache.way_shift + 1);
+        end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+                & ~(L1_CACHE_BYTES-1);
-        ctrl_outl(ccr, CCR);
+        for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+                ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
-        return CACHE_OC_ADDRESS_ARRAY | (set << cpu_data->dcache.entry_shift);
+        }
+}
+void __flush_invalidate_region(void *start, int size)
+{
+        unsigned long v;
+        unsigned long begin, end;
+        begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+        end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+                & ~(L1_CACHE_BYTES-1);
+        for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+                ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
+        }
 }
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index e48cc22724d9..ae531affccbd 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -11,12 +11,8 @@
 */
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <asm/addrspace.h>
+#include <linux/io.h>
-#include <asm/pgtable.h>
+#include <linux/mutex.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
@@ -83,9 +79,9 @@ static void __init emit_cache_params(void)
 */
 /* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */
-#define MAX_P3_SEMAPHORES 16
+#define MAX_P3_MUTEXES 16
-struct semaphore p3map_sem[MAX_P3_SEMAPHORES];
+struct mutex p3map_mutex[MAX_P3_MUTEXES];
 void __init p3_cache_init(void)
 {
@@ -115,7 +111,7 @@ void __init p3_cache_init(void)
                panic("%s failed.", __FUNCTION__);
        for (i = 0; i < cpu_data->dcache.n_aliases; i++)
-                sema_init(&p3map_sem[i], 1);
+                mutex_init(&p3map_mutex[i]);
 }
 /*
@@ -229,7 +225,7 @@ static inline void flush_cache_4096(unsigned long start,
         */
        if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) ||
            (start < CACHE_OC_ADDRESS_ARRAY))
-                exec_offset = 0x20000000;
+                exec_offset = 0x20000000;
        local_irq_save(flags);
        __flush_cache_4096(start | SH_CACHE_ASSOC,
@@ -250,7 +246,7 @@ void flush_dcache_page(struct page *page)
                /* Loop all the D-cache */
                n = cpu_data->dcache.n_aliases;
-                for (i = 0; i < n; i++, addr += PAGE_SIZE)
+                for (i = 0; i < n; i++, addr += 4096)
                        flush_cache_4096(addr, phys);
        }
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S
index 7b96425ae270..8a706131e521 100644
--- a/arch/sh/mm/clear_page.S
+++ b/arch/sh/mm/clear_page.S
@@ -1,12 +1,12 @@
-/* $Id: clear_page.S,v 1.13 2003/08/25 17:03:10 lethal Exp $
+/*
- *
 * __clear_user_page, __clear_user, clear_page implementation of SuperH
 *
 * Copyright (C) 2001  Kaz Kojima
 * Copyright (C) 2001, 2002  Niibe Yutaka
- *
+ * Copyright (C) 2006  Paul Mundt
 */
 #include <linux/linkage.h>
+#include <asm/page.h>
 /*
 * clear_page_slow
@@ -18,11 +18,11 @@
 /*
 * r0 --- scratch
 * r4 --- to
- * r5 --- to + 4096
+ * r5 --- to + PAGE_SIZE
 */
 ENTRY(clear_page_slow)
        mov     r4,r5
-        mov.w   .Llimit,r0
+        mov.l   .Llimit,r0
        add     r0,r5
        mov     #0,r0
        !
@@ -50,7 +50,7 @@ ENTRY(clear_page_slow)
        !
        rts
         nop
-.Llimit:        .word   (4096-28)
+.Llimit:        .long   (PAGE_SIZE-28)
 ENTRY(__clear_user)
        !
@@ -164,10 +164,10 @@ ENTRY(__clear_user)
 * r0 --- scratch 
 * r4 --- to
 * r5 --- orig_to
- * r6 --- to + 4096
+ * r6 --- to + PAGE_SIZE
 */
 ENTRY(__clear_user_page)
-        mov.w   .L4096,r0
+        mov.l   .Lpsz,r0
        mov     r4,r6
        add     r0,r6
        mov     #0,r0
@@ -191,7 +191,7 @@ ENTRY(__clear_user_page)
        !
        rts
         nop
-.L4096: .word   4096
+.Lpsz:  .long   PAGE_SIZE
 #endif
diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S
index 1addffe117c3..397c94c97315 100644
--- a/arch/sh/mm/copy_page.S
+++ b/arch/sh/mm/copy_page.S
@@ -1,12 +1,12 @@
-/* $Id: copy_page.S,v 1.8 2003/08/25 17:03:10 lethal Exp $
+/*
- *
 * copy_page, __copy_user_page, __copy_user implementation of SuperH
 *
 * Copyright (C) 2001  Niibe Yutaka & Kaz Kojima
 * Copyright (C) 2002  Toshinobu Sugioka
- *
+ * Copyright (C) 2006  Paul Mundt
 */
 #include <linux/linkage.h>
+#include <asm/page.h>
 /*
 * copy_page_slow
@@ -18,7 +18,7 @@
 /*
 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch 
- * r8 --- from + 4096
+ * r8 --- from + PAGE_SIZE
 * r9 --- not used
 * r10 --- to
 * r11 --- from
@@ -30,7 +30,7 @@ ENTRY(copy_page_slow)
        mov     r4,r10
        mov     r5,r11
        mov     r5,r8
-        mov.w   .L4096,r0
+        mov.l   .Lpsz,r0
        add     r0,r8
        !
 1:      mov.l   @r11+,r0
@@ -80,7 +80,7 @@ ENTRY(copy_page_slow)
 /*
 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch 
- * r8 --- from + 4096
+ * r8 --- from + PAGE_SIZE
 * r9 --- orig_to
 * r10 --- to
 * r11 --- from
@@ -94,7 +94,7 @@ ENTRY(__copy_user_page)
        mov     r5,r11
        mov     r6,r9
        mov     r5,r8
-        mov.w   .L4096,r0
+        mov.l   .Lpsz,r0
        add     r0,r8
        !
 1:      ocbi    @r9
@@ -129,7 +129,7 @@ ENTRY(__copy_user_page)
        rts
         nop
 #endif
-.L4096: .word   4096
+.Lpsz:  .long   PAGE_SIZE
 /*
 * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
 * Return the number of bytes NOT copied
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 68663b8f99ae..716ebf568af2 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -26,13 +26,19 @@ extern void die(const char *,struct pt_regs *,long);
 * and the problem, and then passes it off to one of the appropriate
 * routines.
 */
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
+asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
-                              unsigned long address)
+                                        unsigned long writeaccess,
+                                        unsigned long address)
 {
        struct task_struct *tsk;
        struct mm_struct *mm;
        struct vm_area_struct * vma;
        unsigned long page;
+        int si_code;
+        siginfo_t info;
+        trace_hardirqs_on();
+        local_irq_enable();
 #ifdef CONFIG_SH_KGDB
        if (kgdb_nofault && kgdb_bus_err_hook)
@@ -41,6 +47,46 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
        tsk = current;
        mm = tsk->mm;
+        si_code = SEGV_MAPERR;
+        if (unlikely(address >= TASK_SIZE)) {
+                /*
+                 * Synchronize this task's top level page-table
+                 * with the 'reference' page table.
+                 *
+                 * Do _not_ use "tsk" here. We might be inside
+                 * an interrupt in the middle of a task switch..
+                 */
+                int offset = pgd_index(address);
+                pgd_t *pgd, *pgd_k;
+                pud_t *pud, *pud_k;
+                pmd_t *pmd, *pmd_k;
+                pgd = get_TTB() + offset;
+                pgd_k = swapper_pg_dir + offset;
+                /* This will never happen with the folded page table. */
+                if (!pgd_present(*pgd)) {
+                        if (!pgd_present(*pgd_k))
+                                goto bad_area_nosemaphore;
+                        set_pgd(pgd, *pgd_k);
+                        return;
+                }
+                pud = pud_offset(pgd, address);
+                pud_k = pud_offset(pgd_k, address);
+                if (pud_present(*pud) || !pud_present(*pud_k))
+                        goto bad_area_nosemaphore;
+                set_pud(pud, *pud_k);
+                pmd = pmd_offset(pud, address);
+                pmd_k = pmd_offset(pud_k, address);
+                if (pmd_present(*pmd) || !pmd_present(*pmd_k))
+                        goto bad_area_nosemaphore;
+                set_pmd(pmd, *pmd_k);
+                return;
+        }
        /*
         * If we're in an interrupt or have no user
@@ -65,6 +111,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 * we can handle it..
 */
 good_area:
+        si_code = SEGV_ACCERR;
        if (writeaccess) {
                if (!(vma->vm_flags & VM_WRITE))
                        goto bad_area;
@@ -104,10 +151,13 @@ survive:
 bad_area:
        up_read(&mm->mmap_sem);
+bad_area_nosemaphore:
        if (user_mode(regs)) {
-                tsk->thread.address = address;
+                info.si_signo = SIGSEGV;
-                tsk->thread.error_code = writeaccess;
+                info.si_errno = 0;
-                force_sig(SIGSEGV, tsk);
+                info.si_code = si_code;
+                info.si_addr = (void *) address;
+                force_sig_info(SIGSEGV, &info, tsk);
                return;
        }
@@ -127,11 +177,9 @@ no_context:
                printk(KERN_ALERT "Unable to handle kernel paging request");
        printk(" at virtual address %08lx\n", address);
        printk(KERN_ALERT "pc = %08lx\n", regs->pc);
-        asm volatile("mov.l     %1, %0"
+        page = (unsigned long)get_TTB();
-                     : "=r" (page)
-                     : "m" (__m(MMU_TTB)));
        if (page) {
-                page = ((unsigned long *) page)[address >> 22];
+                page = ((unsigned long *) page)[address >> PGDIR_SHIFT];
                printk(KERN_ALERT "*pde = %08lx\n", page);
                if (page & _PAGE_PRESENT) {
                        page &= PAGE_MASK;
@@ -166,98 +214,13 @@ do_sigbus:
         * Send a sigbus, regardless of whether we were in kernel
         * or user mode.
         */
-        tsk->thread.address = address;
+        info.si_signo = SIGBUS;
-        tsk->thread.error_code = writeaccess;
+        info.si_errno = 0;
-        tsk->thread.trap_no = 14;
+        info.si_code = BUS_ADRERR;
-        force_sig(SIGBUS, tsk);
+        info.si_addr = (void *)address;
+        force_sig_info(SIGBUS, &info, tsk);
        /* Kernel mode? Handle exceptions or die */
        if (!user_mode(regs))
                goto no_context;
 }
-#ifdef CONFIG_SH_STORE_QUEUES
-/*
- * This is a special case for the SH-4 store queues, as pages for this
- * space still need to be faulted in before it's possible to flush the
- * store queue cache for writeout to the remapped region.
- */
-#define P3_ADDR_MAX             (P4SEG_STORE_QUE + 0x04000000)
-#else
-#define P3_ADDR_MAX             P4SEG
-#endif
-/*
- * Called with interrupts disabled.
- */
-asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
-                                         unsigned long writeaccess,
-                                         unsigned long address)
-{
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        pte_t *pte;
-        pte_t entry;
-        struct mm_struct *mm = current->mm;
-        spinlock_t *ptl;
-        int ret = 1;
-#ifdef CONFIG_SH_KGDB
-        if (kgdb_nofault && kgdb_bus_err_hook)
-                kgdb_bus_err_hook();
-#endif
-        /*
-         * We don't take page faults for P1, P2, and parts of P4, these
-         * are always mapped, whether it be due to legacy behaviour in
-         * 29-bit mode, or due to PMB configuration in 32-bit mode.
-         */
-        if (address >= P3SEG && address < P3_ADDR_MAX) {
-                pgd = pgd_offset_k(address);
-                mm = NULL;
-        } else {
-                if (unlikely(address >= TASK_SIZE || !mm))
-                        return 1;
-                pgd = pgd_offset(mm, address);
-        }
-        pud = pud_offset(pgd, address);
-        if (pud_none_or_clear_bad(pud))
-                return 1;
-        pmd = pmd_offset(pud, address);
-        if (pmd_none_or_clear_bad(pmd))
-                return 1;
-        if (mm)
-                pte = pte_offset_map_lock(mm, pmd, address, &ptl);
-        else
-                pte = pte_offset_kernel(pmd, address);
-        entry = *pte;
-        if (unlikely(pte_none(entry) || pte_not_present(entry)))
-                goto unlock;
-        if (unlikely(writeaccess && !pte_write(entry)))
-                goto unlock;
-        if (writeaccess)
-                entry = pte_mkdirty(entry);
-        entry = pte_mkyoung(entry);
-#ifdef CONFIG_CPU_SH4
-        /*
-         * ITLB is not affected by "ldtlb" instruction.
-         * So, we need to flush the entry by ourselves.
-         */
-        __flush_tlb_page(get_asid(), address & PAGE_MASK);
-#endif
-        set_pte(pte, entry);
-        update_mmu_cache(NULL, address, entry);
-        ret = 0;
-unlock:
-        if (mm)
-                pte_unmap_unlock(pte, ptl);
-        return ret;
-}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 7154d1ce9785..59f4cc18235b 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -84,30 +84,22 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
        pmd_t *pmd;
        pte_t *pte;
-        pgd = swapper_pg_dir + pgd_index(addr);
+        pgd = pgd_offset_k(addr);
        if (pgd_none(*pgd)) {
                pgd_ERROR(*pgd);
                return;
        }
-        pud = pud_offset(pgd, addr);
+        pud = pud_alloc(NULL, pgd, addr);
-        if (pud_none(*pud)) {
+        if (unlikely(!pud)) {
-                pmd = (pmd_t *)get_zeroed_page(GFP_ATOMIC);
+                pud_ERROR(*pud);
-                set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | _PAGE_USER));
+                return;
-                if (pmd != pmd_offset(pud, 0)) {
-                        pud_ERROR(*pud);
-                        return;
-                }
        }
-        pmd = pmd_offset(pud, addr);
+        pmd = pmd_alloc(NULL, pud, addr);
-        if (pmd_none(*pmd)) {
+        if (unlikely(!pmd)) {
-                pte = (pte_t *)get_zeroed_page(GFP_ATOMIC);
+                pmd_ERROR(*pmd);
-                set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE | _PAGE_USER));
+                return;
-                if (pte != pte_offset_kernel(pmd, 0)) {
-                        pmd_ERROR(*pmd);
-                        return;
-                }
        }
        pte = pte_offset_kernel(pmd, addr);
@@ -155,9 +147,6 @@ extern char __init_begin, __init_end;
 /*
 * paging_init() sets up the page tables
- *
- * This routines also unmaps the page at virtual kernel address 0, so
- * that we can trap those pesky NULL-reference errors in the kernel.
 */
 void __init paging_init(void)
 {
@@ -180,14 +169,11 @@ void __init paging_init(void)
         */
        {
                unsigned long max_dma, low, start_pfn;
-                pgd_t *pg_dir;
-                int i;
-                /* We don't need kernel mapping as hardware support that. */
-                pg_dir = swapper_pg_dir;
-                for (i = 0; i < PTRS_PER_PGD; i++)
+                /* We don't need to map the kernel through the TLB, as
-                        pgd_val(pg_dir[i]) = 0;
+                 * it is permanatly mapped using P1. So clear the
+                 * entire pgd. */
+                memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir));
                /* Turn on the MMU */
                enable_mmu();
@@ -206,6 +192,10 @@ void __init paging_init(void)
                }
        }
+        /* Set an initial value for the MMU.TTB so we don't have to
+         * check for a null value. */
+        set_TTB(swapper_pg_dir);
 #elif defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4)
        /*
         * If we don't have CONFIG_MMU set and the processor in question
@@ -227,7 +217,6 @@ static struct kcore_list kcore_mem, kcore_vmalloc;
 void __init mem_init(void)
 {
-        extern unsigned long empty_zero_page[1024];
        int codesize, reservedpages, datasize, initsize;
        int tmp;
        extern unsigned long memory_start;
diff --git a/arch/sh/mm/ioremap.c b/arch/sh/mm/ioremap.c
index a9fe80cfc233..11d54c149821 100644
--- a/arch/sh/mm/ioremap.c
+++ b/arch/sh/mm/ioremap.c
@@ -28,9 +28,7 @@ static inline void remap_area_pte(pte_t * pte, unsigned long address,
 {
        unsigned long end;
        unsigned long pfn;
-        pgprot_t pgprot = __pgprot(_PAGE_PRESENT | _PAGE_RW |
+        pgprot_t pgprot = __pgprot(pgprot_val(PAGE_KERNEL_NOCACHE) | flags);
-                                   _PAGE_DIRTY | _PAGE_ACCESSED |
-                                   _PAGE_HW_SHARED | _PAGE_FLAGS_HARD | flags);
        address &= ~PMD_MASK;
        end = address + size;
diff --git a/arch/sh/mm/pg-dma.c b/arch/sh/mm/pg-dma.c
index 1406d2e348ca..bb23679369d6 100644
--- a/arch/sh/mm/pg-dma.c
+++ b/arch/sh/mm/pg-dma.c
@@ -39,8 +39,6 @@ static void copy_page_dma(void *to, void *from)
 static void clear_page_dma(void *to)
 {
-        extern unsigned long empty_zero_page[1024];
        /*
         * We get invoked quite early on, if the DMAC hasn't been initialized
         * yet, fall back on the slow manual implementation.
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index 07371ed7a313..3f98d2a4f936 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -6,22 +6,12 @@
 *
 * Released under the terms of the GNU GPL v2.0.
 */
-#include <linux/init.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/threads.h>
+#include <linux/mutex.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
-extern struct semaphore p3map_sem[];
+extern struct mutex p3map_mutex[];
 #define CACHE_ALIAS (cpu_data->dcache.alias_mask)
@@ -37,10 +27,6 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
        if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
                clear_page(to);
        else {
-                pgprot_t pgprot = __pgprot(_PAGE_PRESENT |
-                                           _PAGE_RW | _PAGE_CACHABLE |
-                                           _PAGE_DIRTY | _PAGE_ACCESSED |
-                                           _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
                unsigned long phys_addr = PHYSADDR(to);
                unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
                pgd_t *pgd = pgd_offset_k(p3_addr);
@@ -50,8 +36,8 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
                pte_t entry;
                unsigned long flags;
-                entry = pfn_pte(phys_addr >> PAGE_SHIFT, pgprot);
+                entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-                down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+                mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
                set_pte(pte, entry);
                local_irq_save(flags);
                __flush_tlb_page(get_asid(), p3_addr);
@@ -59,7 +45,7 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
                update_mmu_cache(NULL, p3_addr, entry);
                __clear_user_page((void *)p3_addr, to);
                pte_clear(&init_mm, p3_addr, pte);
-                up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+                mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
        }
 }
@@ -77,10 +63,6 @@ void copy_user_page(void *to, void *from, unsigned long address,
        if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
                copy_page(to, from);
        else {
-                pgprot_t pgprot = __pgprot(_PAGE_PRESENT |
-                                           _PAGE_RW | _PAGE_CACHABLE |
-                                           _PAGE_DIRTY | _PAGE_ACCESSED |
-                                           _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
                unsigned long phys_addr = PHYSADDR(to);
                unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
                pgd_t *pgd = pgd_offset_k(p3_addr);
@@ -90,8 +72,8 @@ void copy_user_page(void *to, void *from, unsigned long address,
                pte_t entry;
                unsigned long flags;
-                entry = pfn_pte(phys_addr >> PAGE_SHIFT, pgprot);
+                entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-                down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+                mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
                set_pte(pte, entry);
                local_irq_save(flags);
                __flush_tlb_page(get_asid(), p3_addr);
@@ -99,7 +81,7 @@ void copy_user_page(void *to, void *from, unsigned long address,
                update_mmu_cache(NULL, p3_addr, entry);
                __copy_user_page((void *)p3_addr, from, to);
                pte_clear(&init_mm, p3_addr, pte);
-                up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+                mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
        }
 }
@@ -122,4 +104,3 @@ inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t
        }
        return pte;
 }
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index ac57638977ee..0571755e9a84 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -30,3 +30,5 @@ R7780MP			SH_R7780MP
 TITAN                   SH_TITAN
 SHMIN                   SH_SHMIN
 7710VOIPGW              SH_7710VOIPGW
+7206SE                  SH_7206_SOLUTION_ENGINE
+7619SE                  SH_7619_SOLUTION_ENGINE
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 3576b3cc505e..7d4190e55654 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -638,7 +638,7 @@ int chan_out_fd(struct list_head *chans)
        return -1;
 }
-void chan_interrupt(struct list_head *chans, struct work_struct *task,
+void chan_interrupt(struct list_head *chans, struct delayed_work *task,
                    struct tty_struct *tty, int irq)
 {
        struct list_head *ele, *next;
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 7b172160fe04..96f0189327af 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -56,7 +56,7 @@ static struct notifier_block reboot_notifier = {
 static LIST_HEAD(mc_requests);
-static void mc_work_proc(void *unused)
+static void mc_work_proc(struct work_struct *unused)
 {
        struct mconsole_entry *req;
        unsigned long flags;
@@ -72,7 +72,7 @@ static void mc_work_proc(void *unused)
        }
 }
-static DECLARE_WORK(mconsole_work, mc_work_proc, NULL);
+static DECLARE_WORK(mconsole_work, mc_work_proc);
 static irqreturn_t mconsole_interrupt(int irq, void *dev_id)
 {
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index ec9eb8bd9432..286bc0b3207f 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -99,6 +99,7 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id)
                 * same device, since it tests for (dev->flags & IFF_UP). So
                 * there's no harm in delaying the device shutdown. */
                schedule_work(&close_work);
+#error this is not permitted - close_work will go out of scope
                goto out;
        }
        reactivate_fd(lp->fd, UM_ETH_IRQ);
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index ce9f3733f73e..6dfe632f1c14 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -132,7 +132,7 @@ static int port_accept(struct port_list *port)
 DECLARE_MUTEX(ports_sem);
 struct list_head ports = LIST_HEAD_INIT(ports);
-void port_work_proc(void *unused)
+void port_work_proc(struct work_struct *unused)
 {
        struct port_list *port;
        struct list_head *ele;
@@ -150,7 +150,7 @@ void port_work_proc(void *unused)
        local_irq_restore(flags);
 }
-DECLARE_WORK(port_work, port_work_proc, NULL);
+DECLARE_WORK(port_work, port_work_proc);
 static irqreturn_t port_interrupt(int irq, void *data)
 {
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index bbea88801d88..c7587fc39015 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -306,8 +306,8 @@ void mce_log_therm_throt_event(unsigned int cpu, __u64 status)
 */
 static int check_interval = 5 * 60; /* 5 minutes */
-static void mcheck_timer(void *data);
+static void mcheck_timer(struct work_struct *work);
-static DECLARE_WORK(mcheck_work, mcheck_timer, NULL);
+static DECLARE_DELAYED_WORK(mcheck_work, mcheck_timer);
 static void mcheck_check_cpu(void *info)
 {
@@ -315,7 +315,7 @@ static void mcheck_check_cpu(void *info)
                do_machine_check(NULL, 0);
 }
-static void mcheck_timer(void *data)
+static void mcheck_timer(struct work_struct *work)
 {
        on_each_cpu(mcheck_check_cpu, NULL, 1, 1);
        schedule_delayed_work(&mcheck_work, check_interval * HZ);
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 62c2e747af58..9800147c4c68 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -753,14 +753,16 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 }
 struct create_idle {
+        struct work_struct work;
        struct task_struct *idle;
        struct completion done;
        int cpu;
 };
-void do_fork_idle(void *_c_idle)
+void do_fork_idle(struct work_struct *work)
 {
-        struct create_idle *c_idle = _c_idle;
+        struct create_idle *c_idle =
+                container_of(work, struct create_idle, work);
        c_idle->idle = fork_idle(c_idle->cpu);
        complete(&c_idle->done);
@@ -775,10 +777,10 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
        int timeout;
        unsigned long start_rip;
        struct create_idle c_idle = {
+                .work = __WORK_INITIALIZER(c_idle.work, do_fork_idle),
                .cpu = cpu,
                .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
        };
-        DECLARE_WORK(work, do_fork_idle, &c_idle);
        /* allocate memory for gdts of secondary cpus. Hotplug is considered */
        if (!cpu_gdt_descr[cpu].address &&
@@ -825,9 +827,9 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
         * thread.
         */
        if (!keventd_up() || current_is_keventd())
-                work.func(work.data);
+                c_idle.work.func(&c_idle.work);
        else {
-                schedule_work(&work);
+                schedule_work(&c_idle.work);
                wait_for_completion(&c_idle.done);
        }
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index e3ef544d2cfb..9f05bc9b2dad 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -563,7 +563,7 @@ static unsigned int cpufreq_delayed_issched = 0;
 static unsigned int cpufreq_init = 0;
 static struct work_struct cpufreq_delayed_get_work;
-static void handle_cpufreq_delayed_get(void *v)
+static void handle_cpufreq_delayed_get(struct work_struct *v)
 {
        unsigned int cpu;
        for_each_online_cpu(cpu) {
@@ -639,7 +639,7 @@ static struct notifier_block time_cpufreq_notifier_block = {
 static int __init cpufreq_tsc(void)
 {
-        INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get, NULL);
+        INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get);
        if (!cpufreq_register_notifier(&time_cpufreq_notifier_block,
                                       CPUFREQ_TRANSITION_NOTIFIER))
                cpufreq_init = 1;
author	Trond Myklebust <Trond.Myklebust@netapp.com>	2006-12-07 15:48:15 -0500
committer	Trond Myklebust <Trond.Myklebust@netapp.com>	2006-12-07 15:48:15 -0500
commit	34161db6b14d984fb9b06c735b7b42f8803f6851 (patch)
tree	99656278b6697f1cde5b05894b7c0ee22c63a00e /arch
parent	5847e1f4d058677c5e46dc6c3e3c70e8855ea3ba (diff)
parent	620034c84d1d939717bdfbe02c51a3fee43541c3 (diff)