Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

author: Igor Mammedov <niallain@gmail.com> 2008-04-28 19:08:21 -0400
committer: Steve French <sfrench@us.ibm.com> 2008-04-28 19:08:21 -0400
commit: e9f20d6f03e8df393b001dab6dc5226c2a5daf57 (patch)
tree: 73e94fa5e4f83576c97e36187b809c5aad2ade30 /arch/mips
parent: bf62fd887cab230f5952b611bde25e8e15acb454 (diff)
parent: e31a94ed371c70855eb30b77c490d6d85dd4da26 (diff)
122 files changed, 3341 insertions, 2043 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8724ed3298d3..e5a7c5d96364 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -81,7 +81,9 @@ config MIPS_COBALT
 config MACH_DECSTATION
        bool "DECstations"
        select BOOT_ELF32
+        select CEVT_DS1287
        select CEVT_R4K
+        select CSRC_IOASIC
        select CSRC_R4K
        select CPU_DADDI_WORKAROUNDS if 64BIT
        select CPU_R4000_WORKAROUNDS if 64BIT
@@ -221,6 +223,7 @@ config MIPS_MALTA
        select DMA_NONCOHERENT
        select GENERIC_ISA_DMA
        select IRQ_CPU
+        select IRQ_GIC
        select HW_HAS_PCI
        select I8253
        select I8259
@@ -309,12 +312,12 @@ config MACH_VR41XX
        select GENERIC_HARDIRQS_NO__DO_IRQ
 config PNX8550_JBS
-        bool "Philips PNX8550 based JBS board"
+        bool "NXP PNX8550 based JBS board"
        select PNX8550
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config PNX8550_STB810
-        bool "Philips PNX8550 based STB810 board"
+        bool "NXP PNX8550 based STB810 board"
        select PNX8550
        select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -612,6 +615,7 @@ config TOSHIBA_JMR3927
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_BIG_ENDIAN
        select GENERIC_HARDIRQS_NO__DO_IRQ
+        select GPIO_TXX9
 config TOSHIBA_RBTX4927
        bool "Toshiba RBTX49[23]7 board"
@@ -653,7 +657,7 @@ config TOSHIBA_RBTX4938
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_KGDB
        select GENERIC_HARDIRQS_NO__DO_IRQ
-        select GENERIC_GPIO
+        select GPIO_TXX9
        help
          This Toshiba board is based on the TX4938 processor. Say Y here to
          support this machine type
@@ -767,6 +771,9 @@ config BOOT_RAW
 config CEVT_BCM1480
        bool
+config CEVT_DS1287
+        bool
 config CEVT_GT641XX
        bool
@@ -782,12 +789,20 @@ config CEVT_TXX9
 config CSRC_BCM1480
        bool
+config CSRC_IOASIC
+        bool
 config CSRC_R4K
        bool
 config CSRC_SB1250
        bool
+config GPIO_TXX9
+        select GENERIC_GPIO
+        select HAVE_GPIO_LIB
+        bool
 config CFE
        bool
@@ -840,6 +855,9 @@ config MIPS_NILE4
 config MIPS_DISABLE_OBSOLETE_IDE
        bool
+config SYNC_R4K
+        bool
 config NO_IOPORT
        def_bool n
@@ -909,6 +927,9 @@ config IRQ_TXX9
 config IRQ_GT641XX
        bool
+config IRQ_GIC
+        bool
 config MIPS_BOARDS_GEN
        bool
@@ -1811,6 +1832,17 @@ config NR_CPUS
          performance should round up your number of processors to the next
          power of two.
+config MIPS_CMP
+        bool "MIPS CMP framework support"
+        depends on SMP
+        select SYNC_R4K
+        select SYS_SUPPORTS_SCHED_SMT
+        select WEAK_ORDERING
+        default n
+        help
+          This is a placeholder option for the GCMP work. It will need to
+          be handled differently...
 source "kernel/time/Kconfig"
 #
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index fd7124c1b75a..f18cf92650e3 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -73,14 +73,4 @@ config RUNTIME_DEBUG
          include/asm-mips/debug.h for debuging macros.
          If unsure, say N.
-config MIPS_UNCACHED
-        bool "Run uncached"
-        depends on DEBUG_KERNEL && !SMP && !SGI_IP27
-        help
-          If you say Y here there kernel will disable all CPU caches.  This will
-          reduce the system's performance dramatically but can help finding
-          otherwise hard to track bugs.  It can also useful if you're doing
-          hardware debugging with a logic analyzer and need to see all traffic
-          on the bus.
 endmenu
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 1c62381f5c23..69648d01acc0 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -410,21 +410,21 @@ load-$(CONFIG_CASIO_E55)	+= 0xffffffff80004000
 load-$(CONFIG_TANBAC_TB022X)    += 0xffffffff80000000
 #
-# Common Philips PNX8550
+# Common NXP PNX8550
 #
-core-$(CONFIG_SOC_PNX8550)      += arch/mips/philips/pnx8550/common/
+core-$(CONFIG_SOC_PNX8550)      += arch/mips/nxp/pnx8550/common/
 cflags-$(CONFIG_SOC_PNX8550)    += -Iinclude/asm-mips/mach-pnx8550
 #
-# Philips PNX8550 JBS board
+# NXP PNX8550 JBS board
 #
-libs-$(CONFIG_PNX8550_JBS)      += arch/mips/philips/pnx8550/jbs/
+libs-$(CONFIG_PNX8550_JBS)      += arch/mips/nxp/pnx8550/jbs/
 #cflags-$(CONFIG_PNX8550_JBS)   += -Iinclude/asm-mips/mach-pnx8550
 load-$(CONFIG_PNX8550_JBS)      += 0xffffffff80060000
-# Philips PNX8550 STB810 board
+# NXP PNX8550 STB810 board
 #
-libs-$(CONFIG_PNX8550_STB810)   += arch/mips/philips/pnx8550/stb810/
+libs-$(CONFIG_PNX8550_STB810)   += arch/mips/nxp/pnx8550/stb810/
 load-$(CONFIG_PNX8550_STB810)   += 0xffffffff80060000
 # NEC EMMA2RH boards
diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c
index 5c0d35d6e22a..8c93a05d7382 100644
--- a/arch/mips/au1000/common/cputable.c
+++ b/arch/mips/au1000/common/cputable.c
@@ -11,10 +11,7 @@
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 */
-#include <linux/string.h>
-#include <linux/sched.h>
-#include <linux/threads.h>
-#include <linux/init.h>
 #include <asm/mach-au1x00/au1000.h>
 struct cpu_spec* cur_cpu_spec[NR_CPUS];
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 57f17b41098d..53377dfc0640 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -31,18 +31,12 @@
 */
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include <linux/string.h>
-#include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
-#include <asm/system.h>
 #if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
diff --git a/arch/mips/au1000/common/dbg_io.c b/arch/mips/au1000/common/dbg_io.c
index 79e0b0a51ace..eae1bb2ca26e 100644
--- a/arch/mips/au1000/common/dbg_io.c
+++ b/arch/mips/au1000/common/dbg_io.c
@@ -1,5 +1,4 @@
-#include <asm/io.h>
 #include <asm/mach-au1x00/au1000.h>
 #ifdef CONFIG_KGDB
@@ -55,8 +54,7 @@ typedef         unsigned int  uint32;
 #define UART16550_READ(y)    (au_readl(DEBUG_BASE + y) & 0xff)
 #define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y))
-extern unsigned long get_au1x00_uart_baud_base(void);
+extern unsigned long calc_clock(void);
-extern unsigned long cal_r4koff(void);
 void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
 {
@@ -64,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        if (UART16550_READ(UART_MOD_CNTRL) != 0x3) {
                UART16550_WRITE(UART_MOD_CNTRL, 3);
        }
-        cal_r4koff();
+        calc_clock();
        /* disable interrupts */
        UART16550_WRITE(UART_IER, 0);
diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c
index c78260d4e837..95f69ea146e9 100644
--- a/arch/mips/au1000/common/dma.c
+++ b/arch/mips/au1000/common/dma.c
@@ -33,12 +33,9 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
-#include <linux/sched.h>
 #include <linux/spinlock.h>
-#include <linux/string.h>
-#include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1000_dma.h>
diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c
index 0b658f1db4ce..525452589971 100644
--- a/arch/mips/au1000/common/gpio.c
+++ b/arch/mips/au1000/common/gpio.c
@@ -27,13 +27,8 @@
 *      others have a second one : GPIO2
 */
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/types.h>
 #include <linux/module.h>
-#include <asm/addrspace.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/gpio.h>
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index 3c7714f057ac..f0626992fd75 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2001 MontaVista Software Inc.
+ * Copyright 2001, 2007-2008 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
- *              ppopov@mvista.com or source@mvista.com
 *
 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
 *
@@ -27,7 +26,6 @@
 */
 #include <linux/bitops.h>
 #include <linux/init.h>
-#include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
@@ -591,7 +589,7 @@ void __init arch_init_irq(void)
                imp++;
        }
-        set_c0_status(ALLINTS);
+        set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4);
        /* Board specific IRQ initialization.
        */
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c
index ce771487567d..7e966b31e3e1 100644
--- a/arch/mips/au1000/common/pci.c
+++ b/arch/mips/au1000/common/pci.c
@@ -30,7 +30,7 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 39d681265297..31d2a2270878 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -3,18 +3,65 @@
 *
 * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
 *
+ * (C) Copyright Embedded Alley Solutions, Inc 2005
+ * Author: Pantelis Antoniou <pantelis@embeddedalley.com>
+ *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
-#include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/kernel.h>
+#include <linux/serial_8250.h>
 #include <linux/init.h>
-#include <linux/resource.h>
 #include <asm/mach-au1x00/au1xxx.h>
+#define PORT(_base, _irq)                               \
+        {                                               \
+                .iobase         = _base,                \
+                .membase        = (void __iomem *)_base,\
+                .mapbase        = CPHYSADDR(_base),     \
+                .irq            = _irq,                 \
+                .regshift       = 2,                    \
+                .iotype         = UPIO_AU,              \
+                .flags          = UPF_SKIP_TEST         \
+        }
+static struct plat_serial8250_port au1x00_uart_data[] = {
+#if defined(CONFIG_SERIAL_8250_AU1X00)
+#if defined(CONFIG_SOC_AU1000)
+        PORT(UART0_ADDR, AU1000_UART0_INT),
+        PORT(UART1_ADDR, AU1000_UART1_INT),
+        PORT(UART2_ADDR, AU1000_UART2_INT),
+        PORT(UART3_ADDR, AU1000_UART3_INT),
+#elif defined(CONFIG_SOC_AU1500)
+        PORT(UART0_ADDR, AU1500_UART0_INT),
+        PORT(UART3_ADDR, AU1500_UART3_INT),
+#elif defined(CONFIG_SOC_AU1100)
+        PORT(UART0_ADDR, AU1100_UART0_INT),
+        PORT(UART1_ADDR, AU1100_UART1_INT),
+        PORT(UART3_ADDR, AU1100_UART3_INT),
+#elif defined(CONFIG_SOC_AU1550)
+        PORT(UART0_ADDR, AU1550_UART0_INT),
+        PORT(UART1_ADDR, AU1550_UART1_INT),
+        PORT(UART3_ADDR, AU1550_UART3_INT),
+#elif defined(CONFIG_SOC_AU1200)
+        PORT(UART0_ADDR, AU1200_UART0_INT),
+        PORT(UART1_ADDR, AU1200_UART1_INT),
+#endif
+#endif  /* CONFIG_SERIAL_8250_AU1X00 */
+        { },
+};
+static struct platform_device au1xx0_uart_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_AU1X00,
+        .dev                    = {
+                .platform_data  = au1x00_uart_data,
+        },
+};
 /* OHCI (USB full speed host controller) */
 static struct resource au1xxx_usb_ohci_resources[] = {
        [0] = {
@@ -186,19 +233,6 @@ static struct resource au1200_lcd_resources[] = {
        }
 };
-static struct resource au1200_ide0_resources[] = {
-        [0] = {
-                .start          = AU1XXX_ATA_PHYS_ADDR,
-                .end            = AU1XXX_ATA_PHYS_ADDR + AU1XXX_ATA_PHYS_LEN - 1,
-                .flags          = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start          = AU1XXX_ATA_INT,
-                .end            = AU1XXX_ATA_INT,
-                .flags          = IORESOURCE_IRQ,
-        }
-};
 static u64 au1200_lcd_dmamask = ~(u32)0;
 static struct platform_device au1200_lcd_device = {
@@ -212,20 +246,6 @@ static struct platform_device au1200_lcd_device = {
        .resource       = au1200_lcd_resources,
 };
-static u64 ide0_dmamask = ~(u32)0;
-static struct platform_device au1200_ide0_device = {
-        .name           = "au1200-ide",
-        .id             = 0,
-        .dev = {
-                .dma_mask               = &ide0_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
-        },
-        .num_resources = ARRAY_SIZE(au1200_ide0_resources),
-        .resource       = au1200_ide0_resources,
-};
 static u64 au1xxx_mmc_dmamask =  ~(u32)0;
 static struct platform_device au1xxx_mmc_device = {
@@ -245,31 +265,6 @@ static struct platform_device au1x00_pcmcia_device = {
        .id             = 0,
 };
-#ifdef CONFIG_MIPS_DB1200
-static struct resource smc91x_resources[] = {
-        [0] = {
-                .name   = "smc91x-regs",
-                .start  = AU1XXX_SMC91111_PHYS_ADDR,
-                .end    = AU1XXX_SMC91111_PHYS_ADDR + 0xfffff,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = AU1XXX_SMC91111_IRQ,
-                .end    = AU1XXX_SMC91111_IRQ,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-static struct platform_device smc91x_device = {
-        .name           = "smc91x",
-        .id             = -1,
-        .num_resources  = ARRAY_SIZE(smc91x_resources),
-        .resource       = smc91x_resources,
-};
-#endif
 /* All Alchemy demoboards with I2C have this #define in their headers */
 #ifdef SMBUS_PSC_BASE
 static struct resource pbdb_smbus_resources[] = {
@@ -289,6 +284,7 @@ static struct platform_device pbdb_smbus_device = {
 #endif
 static struct platform_device *au1xxx_platform_devices[] __initdata = {
+        &au1xx0_uart_device,
        &au1xxx_usb_ohci_device,
        &au1x00_pcmcia_device,
 #ifdef CONFIG_FB_AU1100
@@ -299,12 +295,8 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
        &au1xxx_usb_gdt_device,
        &au1xxx_usb_otg_device,
        &au1200_lcd_device,
-        &au1200_ide0_device,
        &au1xxx_mmc_device,
 #endif
-#ifdef CONFIG_MIPS_DB1200
-        &smc91x_device,
-#endif
 #ifdef SMBUS_PSC_BASE
        &pbdb_smbus_device,
 #endif
@@ -312,6 +304,13 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
 int __init au1xxx_platform_init(void)
 {
+        unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
+        int i;
+        /* Fill up uartclk. */
+        for (i = 0; au1x00_uart_data[i].flags ; i++)
+                au1x00_uart_data[i].uartclk = uartclk;
        return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
 }
diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c
index 54047d69b820..812a5f8b7d26 100644
--- a/arch/mips/au1000/common/power.c
+++ b/arch/mips/au1000/common/power.c
@@ -29,17 +29,14 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/pm_legacy.h>
-#include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/jiffies.h>
-#include <asm/string.h>
 #include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/system.h>
 #include <asm/cacheflush.h>
 #include <asm/mach-au1x00/au1000.h>
@@ -47,17 +44,13 @@
 #define DEBUG 1
 #ifdef DEBUG
-#  define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args)
+#  define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args)
 #else
 #  define DPRINTK(fmt, args...)
 #endif
 static void au1000_calibrate_delay(void);
-extern void set_au1x00_speed(unsigned int new_freq);
-extern unsigned int get_au1x00_speed(void);
-extern unsigned long get_au1x00_uart_baud_base(void);
-extern void set_au1x00_uart_baud_base(unsigned long new_baud_base);
 extern unsigned long save_local_and_disable(int controller);
 extern void restore_local_and_enable(int controller, unsigned long mask);
 extern void local_enable_irq(unsigned int irq_nr);
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c
index 90d70695aa60..f10af829e4ec 100644
--- a/arch/mips/au1000/common/prom.c
+++ b/arch/mips/au1000/common/prom.c
@@ -33,8 +33,8 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/module.h>
-#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/string.h>
diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c
index 2705829cd466..e34c67e89293 100644
--- a/arch/mips/au1000/common/puts.c
+++ b/arch/mips/au1000/common/puts.c
@@ -28,7 +28,6 @@
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/types.h>
 #include <asm/mach-au1x00/au1000.h>
 #define SERIAL_BASE   UART_BASE
diff --git a/arch/mips/au1000/common/reset.c b/arch/mips/au1000/common/reset.c
index b8638d293cf9..60cec537c745 100644
--- a/arch/mips/au1000/common/reset.c
+++ b/arch/mips/au1000/common/reset.c
@@ -27,13 +27,7 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 extern int au_sleep(void);
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 9e4ab80caab6..0e86f7a6b4a7 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -25,21 +25,14 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
 #include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/pm.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
 #include <asm/mipsregs.h>
 #include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/time.h>
 #include <au1000.h>
@@ -49,8 +42,6 @@ extern void __init board_setup(void);
 extern void au1000_restart(char *);
 extern void au1000_halt(void);
 extern void au1000_power_off(void);
-extern void au1x_time_init(void);
-extern void au1x_timer_setup(struct irqaction *irq);
 extern void set_cpuspec(void);
 void __init plat_mem_setup(void)
diff --git a/arch/mips/au1000/common/sleeper.S b/arch/mips/au1000/common/sleeper.S
index 683d9da84b66..4b3cf021a454 100644
--- a/arch/mips/au1000/common/sleeper.S
+++ b/arch/mips/au1000/common/sleeper.S
@@ -9,9 +9,9 @@
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */
 #include <asm/asm.h>
 #include <asm/mipsregs.h>
-#include <asm/addrspace.h>
 #include <asm/regdef.h>
 #include <asm/stackframe.h>
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index e122bbc6cd88..bdb6d73b26fb 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -1,6 +1,6 @@
 /*
 *
- * Copyright (C) 2001 MontaVista Software, ppopov@mvista.com
+ * Copyright (C) 2001, 2006, 2008 MontaVista Software, <source@mvista.com>
 * Copied and modified Carsten Langgaard's time.c
 *
 * Carsten Langgaard, carstenl@mips.com
@@ -34,23 +34,13 @@
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/sched.h>
 #include <linux/spinlock.h>
-#include <linux/hardirq.h>
-#include <asm/compiler.h>
 #include <asm/mipsregs.h>
 #include <asm/time.h>
-#include <asm/div64.h>
 #include <asm/mach-au1x00/au1000.h>
-#include <linux/mc146818rtc.h>
+static int no_au1xxx_32khz;
-#include <linux/timex.h>
-static unsigned long r4k_offset; /* Amount to increment compare reg each time */
-static unsigned long r4k_cur;    /* What counter should be at next timer irq */
-int     no_au1xxx_32khz;
 extern int allow_au1k_wait; /* default off for CP0 Counter */
 #ifdef CONFIG_PM
@@ -184,7 +174,7 @@ wakeup_counter0_set(int ticks)
 * "wait" is enabled, and we need to detect if the 32KHz isn't present
 * but requested......got it? :-)               -- Dan
 */
-unsigned long cal_r4koff(void)
+unsigned long calc_clock(void)
 {
        unsigned long cpu_speed;
        unsigned long flags;
@@ -229,19 +219,13 @@ unsigned long cal_r4koff(void)
        // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16)
        set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
        spin_unlock_irqrestore(&time_lock, flags);
-        return (cpu_speed / HZ);
+        return cpu_speed;
 }
 void __init plat_time_init(void)
 {
-        unsigned int est_freq;
+        unsigned int est_freq = calc_clock();
-        printk("calculating r4koff... ");
-        r4k_offset = cal_r4koff();
-        printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset);
-        //est_freq = 2*r4k_offset*HZ;
-        est_freq = r4k_offset*HZ;
        est_freq += 5000;    /* round */
        est_freq -= est_freq%10000;
        printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
@@ -249,9 +233,6 @@ void __init plat_time_init(void)
        set_au1x00_speed(est_freq);
        set_au1x00_lcd_clock(); // program the LCD clock
-        r4k_cur = (read_c0_count() + r4k_offset);
-        write_c0_compare(r4k_cur);
 #ifdef CONFIG_PM
        /*
         * setup counter 0, since it keeps ticking after a
@@ -265,12 +246,8 @@ void __init plat_time_init(void)
         * Check to ensure we really have a 32KHz oscillator before
         * we do this.
         */
-        if (no_au1xxx_32khz) {
+        if (no_au1xxx_32khz)
                printk("WARNING: no 32KHz clock found.\n");
-                /* Ensure we get CPO_COUNTER interrupts.  */
-                set_c0_status(IE_IRQ5);
-        }
        else {
                while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
                au_writel(0, SYS_TOYWRITE);
diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c
index 99eafeada518..b7dcbad5c586 100644
--- a/arch/mips/au1000/db1x00/board_setup.c
+++ b/arch/mips/au1000/db1x00/board_setup.c
@@ -27,20 +27,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/mc146818rtc.h>
-#include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/db1x00.h>
diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c
index e822c123eab8..d3b967caf70c 100644
--- a/arch/mips/au1000/db1x00/init.c
+++ b/arch/mips/au1000/db1x00/init.c
@@ -28,13 +28,8 @@
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/au1000/db1x00/irqmap.c
index 09cea03411b0..eaa50c7b6341 100644
--- a/arch/mips/au1000/db1x00/irqmap.c
+++ b/arch/mips/au1000/db1x00/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 #ifdef CONFIG_MIPS_DB1500
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c
index 310d5dff89fc..5736354829c6 100644
--- a/arch/mips/au1000/mtx-1/board_setup.c
+++ b/arch/mips/au1000/mtx-1/board_setup.c
@@ -28,19 +28,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 extern int (*board_pci_idsel)(unsigned int devsel, int assert);
diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c
index e700fd312a24..c015cbce1cca 100644
--- a/arch/mips/au1000/mtx-1/init.c
+++ b/arch/mips/au1000/mtx-1/init.c
@@ -28,14 +28,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c
index 49c612aeddcf..78d70c42c9db 100644
--- a/arch/mips/au1000/mtx-1/irqmap.c
+++ b/arch/mips/au1000/mtx-1/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 char irq_tab_alchemy[][5] __initdata = {
diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c
index ce8637b3afa9..a7edbf0829ac 100644
--- a/arch/mips/au1000/mtx-1/platform.c
+++ b/arch/mips/au1000/mtx-1/platform.c
@@ -19,7 +19,6 @@
 */
 #include <linux/init.h>
-#include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/gpio_keys.h>
diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/au1000/pb1000/board_setup.c
index 5198c4f98b43..33f15acc1b17 100644
--- a/arch/mips/au1000/pb1000/board_setup.c
+++ b/arch/mips/au1000/pb1000/board_setup.c
@@ -23,19 +23,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
 #include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1000.h>
diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c
index 2515b9fb24af..549447df71d6 100644
--- a/arch/mips/au1000/pb1000/init.c
+++ b/arch/mips/au1000/pb1000/init.c
@@ -26,14 +26,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/pb1000/irqmap.c b/arch/mips/au1000/pb1000/irqmap.c
index 88e354508204..b3d56b0af321 100644
--- a/arch/mips/au1000/pb1000/irqmap.c
+++ b/arch/mips/au1000/pb1000/irqmap.c
@@ -25,26 +25,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
 #include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c
index 42874a6b31d1..656164c8e9ca 100644
--- a/arch/mips/au1000/pb1100/board_setup.c
+++ b/arch/mips/au1000/pb1100/board_setup.c
@@ -23,19 +23,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
 #include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1100.h>
diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c
index 490c3801c275..c91344648ed3 100644
--- a/arch/mips/au1000/pb1100/init.c
+++ b/arch/mips/au1000/pb1100/init.c
@@ -27,14 +27,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/au1000/pb1100/irqmap.c
index 880456bf8c11..b5021e3d477f 100644
--- a/arch/mips/au1000/pb1100/irqmap.c
+++ b/arch/mips/au1000/pb1100/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile
index 970b1b1d5cda..4fe02ea65a60 100644
--- a/arch/mips/au1000/pb1200/Makefile
+++ b/arch/mips/au1000/pb1200/Makefile
@@ -3,5 +3,6 @@
 #
 lib-y := init.o board_setup.o irqmap.o
+obj-y += platform.o
 EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c
index b98bebfa87c6..4493a792cc4c 100644
--- a/arch/mips/au1000/pb1200/board_setup.c
+++ b/arch/mips/au1000/pb1200/board_setup.c
@@ -23,27 +23,11 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
 #include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/mc146818rtc.h>
-#include <linux/delay.h>
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX)
-#include <linux/ide.h>
-#endif
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <au1000.h>
-#include <au1xxx_dbdma.h>
 #include <prom.h>
 #ifdef CONFIG_MIPS_PB1200
@@ -52,8 +36,6 @@
 #ifdef CONFIG_MIPS_DB1200
 #include <asm/mach-db1x00/db1200.h>
-#define PB1200_ETH_INT DB1200_ETH_INT
-#define PB1200_IDE_INT DB1200_IDE_INT
 #endif
 extern void _board_init_irq(void);
diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c
index 069ed45f04f2..72af5500660b 100644
--- a/arch/mips/au1000/pb1200/init.c
+++ b/arch/mips/au1000/pb1200/init.c
@@ -27,14 +27,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c
index 8fcd0df86f93..e61eb8e0b76b 100644
--- a/arch/mips/au1000/pb1200/irqmap.c
+++ b/arch/mips/au1000/pb1200/irqmap.c
@@ -22,26 +22,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
 #include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 #ifdef CONFIG_MIPS_PB1200
diff --git a/arch/mips/au1000/pb1200/platform.c b/arch/mips/au1000/pb1200/platform.c
new file mode 100644
index 000000000000..5930110b9b6d
--- /dev/null
+++ b/arch/mips/au1000/pb1200/platform.c
@@ -0,0 +1,84 @@
+/*
+ * Pb1200/DBAu1200 board platform device registration
+ *
+ * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/mach-au1x00/au1xxx.h>
+static struct resource ide_resources[] = {
+        [0] = {
+                .start  = IDE_PHYS_ADDR,
+                .end    = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
+                .flags  = IORESOURCE_MEM
+        },
+        [1] = {
+                .start  = IDE_INT,
+                .end    = IDE_INT,
+                .flags  = IORESOURCE_IRQ
+        }
+};
+static u64 ide_dmamask = ~(u32)0;
+static struct platform_device ide_device = {
+        .name           = "au1200-ide",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = &ide_dmamask,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(ide_resources),
+        .resource       = ide_resources
+};
+static struct resource smc91c111_resources[] = {
+        [0] = {
+                .name   = "smc91x-regs",
+                .start  = SMC91C111_PHYS_ADDR,
+                .end    = SMC91C111_PHYS_ADDR + 0xf,
+                .flags  = IORESOURCE_MEM
+        },
+        [1] = {
+                .start  = SMC91C111_INT,
+                .end    = SMC91C111_INT,
+                .flags  = IORESOURCE_IRQ
+        },
+};
+static struct platform_device smc91c111_device = {
+        .name           = "smc91x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smc91c111_resources),
+        .resource       = smc91c111_resources
+};
+static struct platform_device *board_platform_devices[] __initdata = {
+        &ide_device,
+        &smc91c111_device
+};
+static int __init board_register_devices(void)
+{
+        return platform_add_devices(board_platform_devices,
+                                    ARRAY_SIZE(board_platform_devices));
+}
+arch_initcall(board_register_devices);
diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/au1000/pb1500/board_setup.c
index 5446836869d6..24c652e8ec4b 100644
--- a/arch/mips/au1000/pb1500/board_setup.c
+++ b/arch/mips/au1000/pb1500/board_setup.c
@@ -23,19 +23,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
 #include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1500.h>
diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/au1000/pb1500/init.c
index db558c967048..488507c07db9 100644
--- a/arch/mips/au1000/pb1500/init.c
+++ b/arch/mips/au1000/pb1500/init.c
@@ -27,14 +27,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/au1000/pb1500/irqmap.c
index 810f695e24bb..4817ab44d07f 100644
--- a/arch/mips/au1000/pb1500/irqmap.c
+++ b/arch/mips/au1000/pb1500/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 char irq_tab_alchemy[][5] __initdata = {
diff --git a/arch/mips/au1000/pb1550/board_setup.c b/arch/mips/au1000/pb1550/board_setup.c
index e3cfb0d73180..45d60872b565 100644
--- a/arch/mips/au1000/pb1550/board_setup.c
+++ b/arch/mips/au1000/pb1550/board_setup.c
@@ -27,20 +27,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/mc146818rtc.h>
-#include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1550.h>
diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/au1000/pb1550/init.c
index b716363ea564..f6b2fc587980 100644
--- a/arch/mips/au1000/pb1550/init.c
+++ b/arch/mips/au1000/pb1550/init.c
@@ -27,14 +27,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/au1000/pb1550/irqmap.c
index 56becab28e5d..e1dac37af08a 100644
--- a/arch/mips/au1000/pb1550/irqmap.c
+++ b/arch/mips/au1000/pb1550/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 char irq_tab_alchemy[][5] __initdata = {
diff --git a/arch/mips/au1000/xxs1500/board_setup.c b/arch/mips/au1000/xxs1500/board_setup.c
index b2e413e597a8..79d1798621bf 100644
--- a/arch/mips/au1000/xxs1500/board_setup.c
+++ b/arch/mips/au1000/xxs1500/board_setup.c
@@ -23,19 +23,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
 #include <linux/delay.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
 #include <asm/mach-au1x00/au1000.h>
 void board_reset(void)
diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/au1000/xxs1500/init.c
index 7e6878c1b0a5..24fc6e132dc0 100644
--- a/arch/mips/au1000/xxs1500/init.c
+++ b/arch/mips/au1000/xxs1500/init.c
@@ -26,14 +26,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
-#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <prom.h>
diff --git a/arch/mips/au1000/xxs1500/irqmap.c b/arch/mips/au1000/xxs1500/irqmap.c
index a343da134334..dd6e3d1eb4d4 100644
--- a/arch/mips/au1000/xxs1500/irqmap.c
+++ b/arch/mips/au1000/xxs1500/irqmap.c
@@ -25,26 +25,9 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/mach-au1x00/au1000.h>
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
diff --git a/arch/mips/configs/mipssim_defconfig b/arch/mips/configs/mipssim_defconfig
index 6db0bdaefb27..4f6bce99d5cf 100644
--- a/arch/mips/configs/mipssim_defconfig
+++ b/arch/mips/configs/mipssim_defconfig
@@ -641,7 +641,6 @@ CONFIG_CROSSCOMPILE=y
 CONFIG_CMDLINE="nfsroot=192.168.192.169:/u1/mipsel,timeo=20 ip=dhcp"
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_RUNTIME_DEBUG is not set
-# CONFIG_MIPS_UNCACHED is not set
 #
 # Security options
diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig
index 518a60892b78..780c7fc24b82 100644
--- a/arch/mips/configs/pnx8550-jbs_defconfig
+++ b/arch/mips/configs/pnx8550-jbs_defconfig
@@ -1223,7 +1223,6 @@ CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp"
 # CONFIG_KGDB is not set
 CONFIG_SYS_SUPPORTS_KGDB=y
 # CONFIG_RUNTIME_DEBUG is not set
-# CONFIG_MIPS_UNCACHED is not set
 #
 # Security options
diff --git a/arch/mips/configs/pnx8550-stb810_defconfig b/arch/mips/configs/pnx8550-stb810_defconfig
index 68351eb81bc8..267f21ed1d0f 100644
--- a/arch/mips/configs/pnx8550-stb810_defconfig
+++ b/arch/mips/configs/pnx8550-stb810_defconfig
@@ -1213,7 +1213,6 @@ CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp"
 # CONFIG_KGDB is not set
 CONFIG_SYS_SUPPORTS_KGDB=y
 # CONFIG_RUNTIME_DEBUG is not set
-# CONFIG_MIPS_UNCACHED is not set
 #
 # Security options
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 60349062595a..3965fda94a89 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -9,30 +9,15 @@
 *
 */
 #include <linux/bcd.h>
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
 #include <linux/mc146818rtc.h>
-#include <linux/mm.h>
-#include <linux/module.h>
 #include <linux/param.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/time.h>
-#include <linux/types.h>
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/sections.h>
-#include <asm/time.h>
+#include <asm/cpu-features.h>
+#include <asm/ds1287.h>
+#include <asm/time.h>
 #include <asm/dec/interrupts.h>
 #include <asm/dec/ioasic.h>
-#include <asm/dec/ioasic_addrs.h>
 #include <asm/dec/machtype.h>
 unsigned long read_persistent_clock(void)
@@ -139,42 +124,32 @@ int rtc_mips_set_mmss(unsigned long nowtime)
        return retval;
 }
-static int dec_timer_state(void)
+void __init plat_time_init(void)
 {
-        return (CMOS_READ(RTC_REG_C) & RTC_PF) != 0;
+        u32 start, end;
-}
+        int i = HZ / 10;
-static void dec_timer_ack(void)
+        /* Set up the rate of periodic DS1287 interrupts. */
-{
+        ds1287_set_base_clock(HZ);
-        CMOS_READ(RTC_REG_C);                   /* Ack the RTC interrupt.  */
-}
-static cycle_t dec_ioasic_hpt_read(void)
-{
-        /*
-         * The free-running counter is 32-bit which is good for about
-         * 2 minutes, 50 seconds at possible count rates of up to 25MHz.
-         */
-        return ioasic_read(IO_REG_FCTR);
-}
+        if (cpu_has_counter) {
+                while (!ds1287_timer_state())
+                        ;
-void __init plat_time_init(void)
+                start = read_c0_count();
-{
-        mips_timer_ack = dec_timer_ack;
-        if (!cpu_has_counter && IOASIC)
+                while (i--)
-                /* For pre-R4k systems we use the I/O ASIC's counter.  */
+                        while (!ds1287_timer_state())
-                clocksource_mips.read = dec_ioasic_hpt_read;
+                                ;
-        /* Set up the rate of periodic DS1287 interrupts.  */
+                end = read_c0_count();
-        CMOS_WRITE(RTC_REF_CLCK_32KHZ | (16 - __ffs(HZ)), RTC_REG_A);
-}
-void __init plat_timer_setup(struct irqaction *irq)
+                mips_hpt_frequency = (end - start) * 10;
-{
+                printk(KERN_INFO "MIPS counter frequency %dHz\n",
-        setup_irq(dec_interrupt[DEC_IRQ_RTC], irq);
+                        mips_hpt_frequency);
+        } else if (IOASIC)
+                /* For pre-R4k systems we use the I/O ASIC's counter.  */
+                dec_ioasic_clocksource_init();
-        /* Enable periodic DS1287 interrupts.  */
+        ds1287_clockevent_init(dec_interrupt[DEC_IRQ_RTC]);
-        CMOS_WRITE(CMOS_READ(RTC_REG_B) | RTC_PIE, RTC_REG_B);
 }
diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c
index c886d804d303..f39c444e42d4 100644
--- a/arch/mips/jmr3927/rbhma3100/setup.c
+++ b/arch/mips/jmr3927/rbhma3100/setup.c
@@ -36,11 +36,13 @@
 #include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
 #ifdef CONFIG_SERIAL_TXX9
 #include <linux/serial_core.h>
 #endif
 #include <asm/txx9tmr.h>
+#include <asm/txx9pio.h>
 #include <asm/reboot.h>
 #include <asm/jmr3927/jmr3927.h>
 #include <asm/mipsregs.h>
@@ -340,9 +342,12 @@ static void __init tx3927_setup(void)
        /* PIO */
        /* PIO[15:12] connected to LEDs */
-        tx3927_pioptr->dir = 0x0000f000;
+        __raw_writel(0x0000f000, &tx3927_pioptr->dir);
-        tx3927_pioptr->maskcpu = 0;
+        __raw_writel(0, &tx3927_pioptr->maskcpu);
-        tx3927_pioptr->maskext = 0;
+        __raw_writel(0, &tx3927_pioptr->maskext);
+        txx9_gpio_init(TX3927_PIO_REG, 0, 16);
+        gpio_request(11, "dipsw1");
+        gpio_request(10, "dipsw2");
        {
                unsigned int conf;
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 6fcdb6fda2e2..45545be3eb86 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -10,12 +10,15 @@ obj-y		+= cpu-probe.o branch.o entry.o genex.o irq.o process.o \
 obj-$(CONFIG_CEVT_BCM1480)      += cevt-bcm1480.o
 obj-$(CONFIG_CEVT_R4K)          += cevt-r4k.o
+obj-$(CONFIG_CEVT_DS1287)       += cevt-ds1287.o
 obj-$(CONFIG_CEVT_GT641XX)      += cevt-gt641xx.o
 obj-$(CONFIG_CEVT_SB1250)       += cevt-sb1250.o
 obj-$(CONFIG_CEVT_TXX9)         += cevt-txx9.o
 obj-$(CONFIG_CSRC_BCM1480)      += csrc-bcm1480.o
+obj-$(CONFIG_CSRC_IOASIC)       += csrc-ioasic.o
 obj-$(CONFIG_CSRC_R4K)          += csrc-r4k.o
 obj-$(CONFIG_CSRC_SB1250)       += csrc-sb1250.o
+obj-$(CONFIG_SYNC_R4K)          += sync-r4k.o
 binfmt_irix-objs        := irixelf.o irixinv.o irixioctl.o irixsig.o    \
                           irix5sys.o sysirix.o
@@ -50,6 +53,8 @@ obj-$(CONFIG_MIPS_MT)		+= mips-mt.o
 obj-$(CONFIG_MIPS_MT_FPAFF)     += mips-mt-fpaff.o
 obj-$(CONFIG_MIPS_MT_SMTC)      += smtc.o smtc-asm.o smtc-proc.o
 obj-$(CONFIG_MIPS_MT_SMP)       += smp-mt.o
+obj-$(CONFIG_MIPS_CMP)          += smp-cmp.o
+obj-$(CONFIG_CPU_MIPSR2)        += spram.o
 obj-$(CONFIG_MIPS_APSP_KSPD)    += kspd.o
 obj-$(CONFIG_MIPS_VPE_LOADER)   += vpe.o
@@ -62,6 +67,7 @@ obj-$(CONFIG_IRQ_CPU_RM9K)	+= irq-rm9000.o
 obj-$(CONFIG_MIPS_BOARDS_GEN)   += irq-msc01.o
 obj-$(CONFIG_IRQ_TXX9)          += irq_txx9.o
 obj-$(CONFIG_IRQ_GT641XX)       += irq-gt641xx.o
+obj-$(CONFIG_IRQ_GIC)           += irq-gic.o
 obj-$(CONFIG_32BIT)             += scall32-o32.o
 obj-$(CONFIG_64BIT)             += scall64-64.o
@@ -77,6 +83,8 @@ obj-$(CONFIG_64BIT)		+= cpu-bugs64.o
 obj-$(CONFIG_I8253)             += i8253.o
+obj-$(CONFIG_GPIO_TXX9)         += gpio_txx9.o
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index ca136298acdc..5bf03b3c4150 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -17,252 +17,252 @@
 #include <asm/ptrace.h>
 #include <asm/processor.h>
-#define text(t) __asm__("\n@@@" t)
+#define text(t) __asm__("\n->#" t)
 #define _offset(type, member) (&(((type *)NULL)->member))
 #define offset(string, ptr, member) \
-        __asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member)))
+        __asm__("\n->" string " %0" : : "i" (_offset(ptr, member)))
 #define constant(string, member) \
-        __asm__("\n@@@" string "%X0" : : "ri" (member))
+        __asm__("\n->" string " %0" : : "ri" (member))
 #define size(string, size) \
-        __asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
+        __asm__("\n->" string " %0" : : "i" (sizeof(size)))
 #define linefeed text("")
 void output_ptreg_defines(void)
 {
-        text("/* MIPS pt_regs offsets. */");
+        text("MIPS pt_regs offsets.");
-        offset("#define PT_R0     ", struct pt_regs, regs[0]);
+        offset("PT_R0", struct pt_regs, regs[0]);
-        offset("#define PT_R1     ", struct pt_regs, regs[1]);
+        offset("PT_R1", struct pt_regs, regs[1]);
-        offset("#define PT_R2     ", struct pt_regs, regs[2]);
+        offset("PT_R2", struct pt_regs, regs[2]);
-        offset("#define PT_R3     ", struct pt_regs, regs[3]);
+        offset("PT_R3", struct pt_regs, regs[3]);
-        offset("#define PT_R4     ", struct pt_regs, regs[4]);
+        offset("PT_R4", struct pt_regs, regs[4]);
-        offset("#define PT_R5     ", struct pt_regs, regs[5]);
+        offset("PT_R5", struct pt_regs, regs[5]);
-        offset("#define PT_R6     ", struct pt_regs, regs[6]);
+        offset("PT_R6", struct pt_regs, regs[6]);
-        offset("#define PT_R7     ", struct pt_regs, regs[7]);
+        offset("PT_R7", struct pt_regs, regs[7]);
-        offset("#define PT_R8     ", struct pt_regs, regs[8]);
+        offset("PT_R8", struct pt_regs, regs[8]);
-        offset("#define PT_R9     ", struct pt_regs, regs[9]);
+        offset("PT_R9", struct pt_regs, regs[9]);
-        offset("#define PT_R10    ", struct pt_regs, regs[10]);
+        offset("PT_R10", struct pt_regs, regs[10]);
-        offset("#define PT_R11    ", struct pt_regs, regs[11]);
+        offset("PT_R11", struct pt_regs, regs[11]);
-        offset("#define PT_R12    ", struct pt_regs, regs[12]);
+        offset("PT_R12", struct pt_regs, regs[12]);
-        offset("#define PT_R13    ", struct pt_regs, regs[13]);
+        offset("PT_R13", struct pt_regs, regs[13]);
-        offset("#define PT_R14    ", struct pt_regs, regs[14]);
+        offset("PT_R14", struct pt_regs, regs[14]);
-        offset("#define PT_R15    ", struct pt_regs, regs[15]);
+        offset("PT_R15", struct pt_regs, regs[15]);
-        offset("#define PT_R16    ", struct pt_regs, regs[16]);
+        offset("PT_R16", struct pt_regs, regs[16]);
-        offset("#define PT_R17    ", struct pt_regs, regs[17]);
+        offset("PT_R17", struct pt_regs, regs[17]);
-        offset("#define PT_R18    ", struct pt_regs, regs[18]);
+        offset("PT_R18", struct pt_regs, regs[18]);
-        offset("#define PT_R19    ", struct pt_regs, regs[19]);
+        offset("PT_R19", struct pt_regs, regs[19]);
-        offset("#define PT_R20    ", struct pt_regs, regs[20]);
+        offset("PT_R20", struct pt_regs, regs[20]);
-        offset("#define PT_R21    ", struct pt_regs, regs[21]);
+        offset("PT_R21", struct pt_regs, regs[21]);
-        offset("#define PT_R22    ", struct pt_regs, regs[22]);
+        offset("PT_R22", struct pt_regs, regs[22]);
-        offset("#define PT_R23    ", struct pt_regs, regs[23]);
+        offset("PT_R23", struct pt_regs, regs[23]);
-        offset("#define PT_R24    ", struct pt_regs, regs[24]);
+        offset("PT_R24", struct pt_regs, regs[24]);
-        offset("#define PT_R25    ", struct pt_regs, regs[25]);
+        offset("PT_R25", struct pt_regs, regs[25]);
-        offset("#define PT_R26    ", struct pt_regs, regs[26]);
+        offset("PT_R26", struct pt_regs, regs[26]);
-        offset("#define PT_R27    ", struct pt_regs, regs[27]);
+        offset("PT_R27", struct pt_regs, regs[27]);
-        offset("#define PT_R28    ", struct pt_regs, regs[28]);
+        offset("PT_R28", struct pt_regs, regs[28]);
-        offset("#define PT_R29    ", struct pt_regs, regs[29]);
+        offset("PT_R29", struct pt_regs, regs[29]);
-        offset("#define PT_R30    ", struct pt_regs, regs[30]);
+        offset("PT_R30", struct pt_regs, regs[30]);
-        offset("#define PT_R31    ", struct pt_regs, regs[31]);
+        offset("PT_R31", struct pt_regs, regs[31]);
-        offset("#define PT_LO     ", struct pt_regs, lo);
+        offset("PT_LO", struct pt_regs, lo);
-        offset("#define PT_HI     ", struct pt_regs, hi);
+        offset("PT_HI", struct pt_regs, hi);
 #ifdef CONFIG_CPU_HAS_SMARTMIPS
-        offset("#define PT_ACX    ", struct pt_regs, acx);
+        offset("PT_ACX", struct pt_regs, acx);
 #endif
-        offset("#define PT_EPC    ", struct pt_regs, cp0_epc);
+        offset("PT_EPC", struct pt_regs, cp0_epc);
-        offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr);
+        offset("PT_BVADDR", struct pt_regs, cp0_badvaddr);
-        offset("#define PT_STATUS ", struct pt_regs, cp0_status);
+        offset("PT_STATUS", struct pt_regs, cp0_status);
-        offset("#define PT_CAUSE  ", struct pt_regs, cp0_cause);
+        offset("PT_CAUSE", struct pt_regs, cp0_cause);
 #ifdef CONFIG_MIPS_MT_SMTC
-        offset("#define PT_TCSTATUS  ", struct pt_regs, cp0_tcstatus);
+        offset("PT_TCSTATUS", struct pt_regs, cp0_tcstatus);
 #endif /* CONFIG_MIPS_MT_SMTC */
-        size("#define PT_SIZE   ", struct pt_regs);
+        size("PT_SIZE", struct pt_regs);
        linefeed;
 }
 void output_task_defines(void)
 {
-        text("/* MIPS task_struct offsets. */");
+        text("MIPS task_struct offsets.");
-        offset("#define TASK_STATE         ", struct task_struct, state);
+        offset("TASK_STATE", struct task_struct, state);
-        offset("#define TASK_THREAD_INFO   ", struct task_struct, stack);
+        offset("TASK_THREAD_INFO", struct task_struct, stack);
-        offset("#define TASK_FLAGS         ", struct task_struct, flags);
+        offset("TASK_FLAGS", struct task_struct, flags);
-        offset("#define TASK_MM            ", struct task_struct, mm);
+        offset("TASK_MM", struct task_struct, mm);
-        offset("#define TASK_PID           ", struct task_struct, pid);
+        offset("TASK_PID", struct task_struct, pid);
-        size(  "#define TASK_STRUCT_SIZE   ", struct task_struct);
+        size(  "TASK_STRUCT_SIZE", struct task_struct);
        linefeed;
 }
 void output_thread_info_defines(void)
 {
-        text("/* MIPS thread_info offsets. */");
+        text("MIPS thread_info offsets.");
-        offset("#define TI_TASK            ", struct thread_info, task);
+        offset("TI_TASK", struct thread_info, task);
-        offset("#define TI_EXEC_DOMAIN     ", struct thread_info, exec_domain);
+        offset("TI_EXEC_DOMAIN", struct thread_info, exec_domain);
-        offset("#define TI_FLAGS           ", struct thread_info, flags);
+        offset("TI_FLAGS", struct thread_info, flags);
-        offset("#define TI_TP_VALUE        ", struct thread_info, tp_value);
+        offset("TI_TP_VALUE", struct thread_info, tp_value);
-        offset("#define TI_CPU             ", struct thread_info, cpu);
+        offset("TI_CPU", struct thread_info, cpu);
-        offset("#define TI_PRE_COUNT       ", struct thread_info, preempt_count);
+        offset("TI_PRE_COUNT", struct thread_info, preempt_count);
-        offset("#define TI_ADDR_LIMIT      ", struct thread_info, addr_limit);
+        offset("TI_ADDR_LIMIT", struct thread_info, addr_limit);
-        offset("#define TI_RESTART_BLOCK   ", struct thread_info, restart_block);
+        offset("TI_RESTART_BLOCK", struct thread_info, restart_block);
-        offset("#define TI_REGS            ", struct thread_info, regs);
+        offset("TI_REGS", struct thread_info, regs);
-        constant("#define _THREAD_SIZE       ", THREAD_SIZE);
+        constant("_THREAD_SIZE", THREAD_SIZE);
-        constant("#define _THREAD_MASK       ", THREAD_MASK);
+        constant("_THREAD_MASK", THREAD_MASK);
        linefeed;
 }
 void output_thread_defines(void)
 {
-        text("/* MIPS specific thread_struct offsets. */");
+        text("MIPS specific thread_struct offsets.");
-        offset("#define THREAD_REG16   ", struct task_struct, thread.reg16);
+        offset("THREAD_REG16", struct task_struct, thread.reg16);
-        offset("#define THREAD_REG17   ", struct task_struct, thread.reg17);
+        offset("THREAD_REG17", struct task_struct, thread.reg17);
-        offset("#define THREAD_REG18   ", struct task_struct, thread.reg18);
+        offset("THREAD_REG18", struct task_struct, thread.reg18);
-        offset("#define THREAD_REG19   ", struct task_struct, thread.reg19);
+        offset("THREAD_REG19", struct task_struct, thread.reg19);
-        offset("#define THREAD_REG20   ", struct task_struct, thread.reg20);
+        offset("THREAD_REG20", struct task_struct, thread.reg20);
-        offset("#define THREAD_REG21   ", struct task_struct, thread.reg21);
+        offset("THREAD_REG21", struct task_struct, thread.reg21);
-        offset("#define THREAD_REG22   ", struct task_struct, thread.reg22);
+        offset("THREAD_REG22", struct task_struct, thread.reg22);
-        offset("#define THREAD_REG23   ", struct task_struct, thread.reg23);
+        offset("THREAD_REG23", struct task_struct, thread.reg23);
-        offset("#define THREAD_REG29   ", struct task_struct, thread.reg29);
+        offset("THREAD_REG29", struct task_struct, thread.reg29);
-        offset("#define THREAD_REG30   ", struct task_struct, thread.reg30);
+        offset("THREAD_REG30", struct task_struct, thread.reg30);
-        offset("#define THREAD_REG31   ", struct task_struct, thread.reg31);
+        offset("THREAD_REG31", struct task_struct, thread.reg31);
-        offset("#define THREAD_STATUS  ", struct task_struct,
+        offset("THREAD_STATUS", struct task_struct,
               thread.cp0_status);
-        offset("#define THREAD_FPU     ", struct task_struct, thread.fpu);
+        offset("THREAD_FPU", struct task_struct, thread.fpu);
-        offset("#define THREAD_BVADDR  ", struct task_struct, \
+        offset("THREAD_BVADDR", struct task_struct, \
               thread.cp0_badvaddr);
-        offset("#define THREAD_BUADDR  ", struct task_struct, \
+        offset("THREAD_BUADDR", struct task_struct, \
               thread.cp0_baduaddr);
-        offset("#define THREAD_ECODE   ", struct task_struct, \
+        offset("THREAD_ECODE", struct task_struct, \
               thread.error_code);
-        offset("#define THREAD_TRAPNO  ", struct task_struct, thread.trap_no);
+        offset("THREAD_TRAPNO", struct task_struct, thread.trap_no);
-        offset("#define THREAD_TRAMP   ", struct task_struct, \
+        offset("THREAD_TRAMP", struct task_struct, \
               thread.irix_trampoline);
-        offset("#define THREAD_OLDCTX  ", struct task_struct, \
+        offset("THREAD_OLDCTX", struct task_struct, \
               thread.irix_oldctx);
        linefeed;
 }
 void output_thread_fpu_defines(void)
 {
-        offset("#define THREAD_FPR0    ",
+        offset("THREAD_FPR0",
               struct task_struct, thread.fpu.fpr[0]);
-        offset("#define THREAD_FPR1    ",
+        offset("THREAD_FPR1",
               struct task_struct, thread.fpu.fpr[1]);
-        offset("#define THREAD_FPR2    ",
+        offset("THREAD_FPR2",
               struct task_struct, thread.fpu.fpr[2]);
-        offset("#define THREAD_FPR3    ",
+        offset("THREAD_FPR3",
               struct task_struct, thread.fpu.fpr[3]);
-        offset("#define THREAD_FPR4    ",
+        offset("THREAD_FPR4",
               struct task_struct, thread.fpu.fpr[4]);
-        offset("#define THREAD_FPR5    ",
+        offset("THREAD_FPR5",
               struct task_struct, thread.fpu.fpr[5]);
-        offset("#define THREAD_FPR6    ",
+        offset("THREAD_FPR6",
               struct task_struct, thread.fpu.fpr[6]);
-        offset("#define THREAD_FPR7    ",
+        offset("THREAD_FPR7",
               struct task_struct, thread.fpu.fpr[7]);
-        offset("#define THREAD_FPR8    ",
+        offset("THREAD_FPR8",
               struct task_struct, thread.fpu.fpr[8]);
-        offset("#define THREAD_FPR9    ",
+        offset("THREAD_FPR9",
               struct task_struct, thread.fpu.fpr[9]);
-        offset("#define THREAD_FPR10   ",
+        offset("THREAD_FPR10",
               struct task_struct, thread.fpu.fpr[10]);
-        offset("#define THREAD_FPR11   ",
+        offset("THREAD_FPR11",
               struct task_struct, thread.fpu.fpr[11]);
-        offset("#define THREAD_FPR12   ",
+        offset("THREAD_FPR12",
               struct task_struct, thread.fpu.fpr[12]);
-        offset("#define THREAD_FPR13   ",
+        offset("THREAD_FPR13",
               struct task_struct, thread.fpu.fpr[13]);
-        offset("#define THREAD_FPR14   ",
+        offset("THREAD_FPR14",
               struct task_struct, thread.fpu.fpr[14]);
-        offset("#define THREAD_FPR15   ",
+        offset("THREAD_FPR15",
               struct task_struct, thread.fpu.fpr[15]);
-        offset("#define THREAD_FPR16   ",
+        offset("THREAD_FPR16",
               struct task_struct, thread.fpu.fpr[16]);
-        offset("#define THREAD_FPR17   ",
+        offset("THREAD_FPR17",
               struct task_struct, thread.fpu.fpr[17]);
-        offset("#define THREAD_FPR18   ",
+        offset("THREAD_FPR18",
               struct task_struct, thread.fpu.fpr[18]);
-        offset("#define THREAD_FPR19   ",
+        offset("THREAD_FPR19",
               struct task_struct, thread.fpu.fpr[19]);
-        offset("#define THREAD_FPR20   ",
+        offset("THREAD_FPR20",
               struct task_struct, thread.fpu.fpr[20]);
-        offset("#define THREAD_FPR21   ",
+        offset("THREAD_FPR21",
               struct task_struct, thread.fpu.fpr[21]);
-        offset("#define THREAD_FPR22   ",
+        offset("THREAD_FPR22",
               struct task_struct, thread.fpu.fpr[22]);
-        offset("#define THREAD_FPR23   ",
+        offset("THREAD_FPR23",
               struct task_struct, thread.fpu.fpr[23]);
-        offset("#define THREAD_FPR24   ",
+        offset("THREAD_FPR24",
               struct task_struct, thread.fpu.fpr[24]);
-        offset("#define THREAD_FPR25   ",
+        offset("THREAD_FPR25",
               struct task_struct, thread.fpu.fpr[25]);
-        offset("#define THREAD_FPR26   ",
+        offset("THREAD_FPR26",
               struct task_struct, thread.fpu.fpr[26]);
-        offset("#define THREAD_FPR27   ",
+        offset("THREAD_FPR27",
               struct task_struct, thread.fpu.fpr[27]);
-        offset("#define THREAD_FPR28   ",
+        offset("THREAD_FPR28",
               struct task_struct, thread.fpu.fpr[28]);
-        offset("#define THREAD_FPR29   ",
+        offset("THREAD_FPR29",
               struct task_struct, thread.fpu.fpr[29]);
-        offset("#define THREAD_FPR30   ",
+        offset("THREAD_FPR30",
               struct task_struct, thread.fpu.fpr[30]);
-        offset("#define THREAD_FPR31   ",
+        offset("THREAD_FPR31",
               struct task_struct, thread.fpu.fpr[31]);
-        offset("#define THREAD_FCR31   ",
+        offset("THREAD_FCR31",
               struct task_struct, thread.fpu.fcr31);
        linefeed;
 }
 void output_mm_defines(void)
 {
-        text("/* Size of struct page  */");
+        text("Size of struct page");
-        size("#define STRUCT_PAGE_SIZE   ", struct page);
+        size("STRUCT_PAGE_SIZE", struct page);
        linefeed;
-        text("/* Linux mm_struct offsets. */");
+        text("Linux mm_struct offsets.");
-        offset("#define MM_USERS      ", struct mm_struct, mm_users);
+        offset("MM_USERS", struct mm_struct, mm_users);
-        offset("#define MM_PGD        ", struct mm_struct, pgd);
+        offset("MM_PGD", struct mm_struct, pgd);
-        offset("#define MM_CONTEXT    ", struct mm_struct, context);
+        offset("MM_CONTEXT", struct mm_struct, context);
        linefeed;
-        constant("#define _PAGE_SIZE     ", PAGE_SIZE);
+        constant("_PAGE_SIZE", PAGE_SIZE);
-        constant("#define _PAGE_SHIFT    ", PAGE_SHIFT);
+        constant("_PAGE_SHIFT", PAGE_SHIFT);
        linefeed;
-        constant("#define _PGD_T_SIZE    ", sizeof(pgd_t));
+        constant("_PGD_T_SIZE", sizeof(pgd_t));
-        constant("#define _PMD_T_SIZE    ", sizeof(pmd_t));
+        constant("_PMD_T_SIZE", sizeof(pmd_t));
-        constant("#define _PTE_T_SIZE    ", sizeof(pte_t));
+        constant("_PTE_T_SIZE", sizeof(pte_t));
        linefeed;
-        constant("#define _PGD_T_LOG2    ", PGD_T_LOG2);
+        constant("_PGD_T_LOG2", PGD_T_LOG2);
-        constant("#define _PMD_T_LOG2    ", PMD_T_LOG2);
+        constant("_PMD_T_LOG2", PMD_T_LOG2);
-        constant("#define _PTE_T_LOG2    ", PTE_T_LOG2);
+        constant("_PTE_T_LOG2", PTE_T_LOG2);
        linefeed;
-        constant("#define _PGD_ORDER     ", PGD_ORDER);
+        constant("_PGD_ORDER", PGD_ORDER);
-        constant("#define _PMD_ORDER     ", PMD_ORDER);
+        constant("_PMD_ORDER", PMD_ORDER);
-        constant("#define _PTE_ORDER     ", PTE_ORDER);
+        constant("_PTE_ORDER", PTE_ORDER);
        linefeed;
-        constant("#define _PMD_SHIFT     ", PMD_SHIFT);
+        constant("_PMD_SHIFT", PMD_SHIFT);
-        constant("#define _PGDIR_SHIFT   ", PGDIR_SHIFT);
+        constant("_PGDIR_SHIFT", PGDIR_SHIFT);
        linefeed;
-        constant("#define _PTRS_PER_PGD  ", PTRS_PER_PGD);
+        constant("_PTRS_PER_PGD", PTRS_PER_PGD);
-        constant("#define _PTRS_PER_PMD  ", PTRS_PER_PMD);
+        constant("_PTRS_PER_PMD", PTRS_PER_PMD);
-        constant("#define _PTRS_PER_PTE  ", PTRS_PER_PTE);
+        constant("_PTRS_PER_PTE", PTRS_PER_PTE);
        linefeed;
 }
 #ifdef CONFIG_32BIT
 void output_sc_defines(void)
 {
-        text("/* Linux sigcontext offsets. */");
+        text("Linux sigcontext offsets.");
-        offset("#define SC_REGS       ", struct sigcontext, sc_regs);
+        offset("SC_REGS", struct sigcontext, sc_regs);
-        offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
+        offset("SC_FPREGS", struct sigcontext, sc_fpregs);
-        offset("#define SC_ACX        ", struct sigcontext, sc_acx);
+        offset("SC_ACX", struct sigcontext, sc_acx);
-        offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
+        offset("SC_MDHI", struct sigcontext, sc_mdhi);
-        offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
+        offset("SC_MDLO", struct sigcontext, sc_mdlo);
-        offset("#define SC_PC         ", struct sigcontext, sc_pc);
+        offset("SC_PC", struct sigcontext, sc_pc);
-        offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
+        offset("SC_FPC_CSR", struct sigcontext, sc_fpc_csr);
-        offset("#define SC_FPC_EIR    ", struct sigcontext, sc_fpc_eir);
+        offset("SC_FPC_EIR", struct sigcontext, sc_fpc_eir);
-        offset("#define SC_HI1        ", struct sigcontext, sc_hi1);
+        offset("SC_HI1", struct sigcontext, sc_hi1);
-        offset("#define SC_LO1        ", struct sigcontext, sc_lo1);
+        offset("SC_LO1", struct sigcontext, sc_lo1);
-        offset("#define SC_HI2        ", struct sigcontext, sc_hi2);
+        offset("SC_HI2", struct sigcontext, sc_hi2);
-        offset("#define SC_LO2        ", struct sigcontext, sc_lo2);
+        offset("SC_LO2", struct sigcontext, sc_lo2);
-        offset("#define SC_HI3        ", struct sigcontext, sc_hi3);
+        offset("SC_HI3", struct sigcontext, sc_hi3);
-        offset("#define SC_LO3        ", struct sigcontext, sc_lo3);
+        offset("SC_LO3", struct sigcontext, sc_lo3);
        linefeed;
 }
 #endif
@@ -270,13 +270,13 @@ void output_sc_defines(void)
 #ifdef CONFIG_64BIT
 void output_sc_defines(void)
 {
-        text("/* Linux sigcontext offsets. */");
+        text("Linux sigcontext offsets.");
-        offset("#define SC_REGS       ", struct sigcontext, sc_regs);
+        offset("SC_REGS", struct sigcontext, sc_regs);
-        offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
+        offset("SC_FPREGS", struct sigcontext, sc_fpregs);
-        offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
+        offset("SC_MDHI", struct sigcontext, sc_mdhi);
-        offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
+        offset("SC_MDLO", struct sigcontext, sc_mdlo);
-        offset("#define SC_PC         ", struct sigcontext, sc_pc);
+        offset("SC_PC", struct sigcontext, sc_pc);
-        offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
+        offset("SC_FPC_CSR", struct sigcontext, sc_fpc_csr);
        linefeed;
 }
 #endif
@@ -284,56 +284,56 @@ void output_sc_defines(void)
 #ifdef CONFIG_MIPS32_COMPAT
 void output_sc32_defines(void)
 {
-        text("/* Linux 32-bit sigcontext offsets. */");
+        text("Linux 32-bit sigcontext offsets.");
-        offset("#define SC32_FPREGS     ", struct sigcontext32, sc_fpregs);
+        offset("SC32_FPREGS", struct sigcontext32, sc_fpregs);
-        offset("#define SC32_FPC_CSR    ", struct sigcontext32, sc_fpc_csr);
+        offset("SC32_FPC_CSR", struct sigcontext32, sc_fpc_csr);
-        offset("#define SC32_FPC_EIR    ", struct sigcontext32, sc_fpc_eir);
+        offset("SC32_FPC_EIR", struct sigcontext32, sc_fpc_eir);
        linefeed;
 }
 #endif
 void output_signal_defined(void)
 {
-        text("/* Linux signal numbers. */");
+        text("Linux signal numbers.");
-        constant("#define _SIGHUP     ", SIGHUP);
+        constant("_SIGHUP", SIGHUP);
-        constant("#define _SIGINT     ", SIGINT);
+        constant("_SIGINT", SIGINT);
-        constant("#define _SIGQUIT    ", SIGQUIT);
+        constant("_SIGQUIT", SIGQUIT);
-        constant("#define _SIGILL     ", SIGILL);
+        constant("_SIGILL", SIGILL);
-        constant("#define _SIGTRAP    ", SIGTRAP);
+        constant("_SIGTRAP", SIGTRAP);
-        constant("#define _SIGIOT     ", SIGIOT);
+        constant("_SIGIOT", SIGIOT);
-        constant("#define _SIGABRT    ", SIGABRT);
+        constant("_SIGABRT", SIGABRT);
-        constant("#define _SIGEMT     ", SIGEMT);
+        constant("_SIGEMT", SIGEMT);
-        constant("#define _SIGFPE     ", SIGFPE);
+        constant("_SIGFPE", SIGFPE);
-        constant("#define _SIGKILL    ", SIGKILL);
+        constant("_SIGKILL", SIGKILL);
-        constant("#define _SIGBUS     ", SIGBUS);
+        constant("_SIGBUS", SIGBUS);
-        constant("#define _SIGSEGV    ", SIGSEGV);
+        constant("_SIGSEGV", SIGSEGV);
-        constant("#define _SIGSYS     ", SIGSYS);
+        constant("_SIGSYS", SIGSYS);
-        constant("#define _SIGPIPE    ", SIGPIPE);
+        constant("_SIGPIPE", SIGPIPE);
-        constant("#define _SIGALRM    ", SIGALRM);
+        constant("_SIGALRM", SIGALRM);
-        constant("#define _SIGTERM    ", SIGTERM);
+        constant("_SIGTERM", SIGTERM);
-        constant("#define _SIGUSR1    ", SIGUSR1);
+        constant("_SIGUSR1", SIGUSR1);
-        constant("#define _SIGUSR2    ", SIGUSR2);
+        constant("_SIGUSR2", SIGUSR2);
-        constant("#define _SIGCHLD    ", SIGCHLD);
+        constant("_SIGCHLD", SIGCHLD);
-        constant("#define _SIGPWR     ", SIGPWR);
+        constant("_SIGPWR", SIGPWR);
-        constant("#define _SIGWINCH   ", SIGWINCH);
+        constant("_SIGWINCH", SIGWINCH);
-        constant("#define _SIGURG     ", SIGURG);
+        constant("_SIGURG", SIGURG);
-        constant("#define _SIGIO      ", SIGIO);
+        constant("_SIGIO", SIGIO);
-        constant("#define _SIGSTOP    ", SIGSTOP);
+        constant("_SIGSTOP", SIGSTOP);
-        constant("#define _SIGTSTP    ", SIGTSTP);
+        constant("_SIGTSTP", SIGTSTP);
-        constant("#define _SIGCONT    ", SIGCONT);
+        constant("_SIGCONT", SIGCONT);
-        constant("#define _SIGTTIN    ", SIGTTIN);
+        constant("_SIGTTIN", SIGTTIN);
-        constant("#define _SIGTTOU    ", SIGTTOU);
+        constant("_SIGTTOU", SIGTTOU);
-        constant("#define _SIGVTALRM  ", SIGVTALRM);
+        constant("_SIGVTALRM", SIGVTALRM);
-        constant("#define _SIGPROF    ", SIGPROF);
+        constant("_SIGPROF", SIGPROF);
-        constant("#define _SIGXCPU    ", SIGXCPU);
+        constant("_SIGXCPU", SIGXCPU);
-        constant("#define _SIGXFSZ    ", SIGXFSZ);
+        constant("_SIGXFSZ", SIGXFSZ);
        linefeed;
 }
 void output_irq_cpustat_t_defines(void)
 {
-        text("/* Linux irq_cpustat_t offsets. */");
+        text("Linux irq_cpustat_t offsets.");
-        offset("#define IC_SOFTIRQ_PENDING ", irq_cpustat_t, __softirq_pending);
+        offset("IC_SOFTIRQ_PENDING", irq_cpustat_t, __softirq_pending);
-        size("#define IC_IRQ_CPUSTAT_T   ", irq_cpustat_t);
+        size("IC_IRQ_CPUSTAT_T", irq_cpustat_t);
        linefeed;
 }
diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c
new file mode 100644
index 000000000000..df4acb68bfb5
--- /dev/null
+++ b/arch/mips/kernel/cevt-ds1287.c
@@ -0,0 +1,129 @@
+/*
+ *  DS1287 clockevent driver
+ *
+ *  Copyright (C) 2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/clockchips.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/mc146818rtc.h>
+#include <asm/time.h>
+int ds1287_timer_state(void)
+{
+        return (CMOS_READ(RTC_REG_C) & RTC_PF) != 0;
+}
+int ds1287_set_base_clock(unsigned int hz)
+{
+        u8 rate;
+        switch (hz) {
+        case 128:
+                rate = 0x9;
+                break;
+        case 256:
+                rate = 0x8;
+                break;
+        case 1024:
+                rate = 0x6;
+                break;
+        default:
+                return -EINVAL;
+        }
+        CMOS_WRITE(RTC_REF_CLCK_32KHZ | rate, RTC_REG_A);
+        return 0;
+}
+static int ds1287_set_next_event(unsigned long delta,
+                                 struct clock_event_device *evt)
+{
+        return -EINVAL;
+}
+static void ds1287_set_mode(enum clock_event_mode mode,
+                            struct clock_event_device *evt)
+{
+        u8 val;
+        spin_lock(&rtc_lock);
+        val = CMOS_READ(RTC_REG_B);
+        switch (mode) {
+        case CLOCK_EVT_MODE_PERIODIC:
+                val |= RTC_PIE;
+                break;
+        default:
+                val &= ~RTC_PIE;
+                break;
+        }
+        CMOS_WRITE(val, RTC_REG_B);
+        spin_unlock(&rtc_lock);
+}
+static void ds1287_event_handler(struct clock_event_device *dev)
+{
+}
+static struct clock_event_device ds1287_clockevent = {
+        .name           = "ds1287",
+        .features       = CLOCK_EVT_FEAT_PERIODIC,
+        .cpumask        = CPU_MASK_CPU0,
+        .set_next_event = ds1287_set_next_event,
+        .set_mode       = ds1287_set_mode,
+        .event_handler  = ds1287_event_handler,
+};
+static irqreturn_t ds1287_interrupt(int irq, void *dev_id)
+{
+        struct clock_event_device *cd = &ds1287_clockevent;
+        /* Ack the RTC interrupt. */
+        CMOS_READ(RTC_REG_C);
+        cd->event_handler(cd);
+        return IRQ_HANDLED;
+}
+static struct irqaction ds1287_irqaction = {
+        .handler        = ds1287_interrupt,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .name           = "ds1287",
+};
+int __init ds1287_clockevent_init(int irq)
+{
+        struct clock_event_device *cd;
+        cd = &ds1287_clockevent;
+        cd->rating = 100;
+        cd->irq = irq;
+        clockevent_set_clock(cd, 32768);
+        cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd);
+        cd->min_delta_ns = clockevent_delta2ns(0x300, cd);
+        clockevents_register_device(&ds1287_clockevent);
+        return setup_irq(irq, &ds1287_irqaction);
+}
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index c36772631fe0..6e2f58520afb 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -25,8 +25,6 @@
 #include <asm/gt64120.h>
 #include <asm/time.h>
-#include <irq.h>
 static DEFINE_SPINLOCK(gt641xx_timer_lock);
 static unsigned int gt641xx_base_clock;
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 89c3304cb93c..335a6ae3d594 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -169,6 +169,7 @@ static inline void check_wait(void)
        case CPU_24K:
        case CPU_34K:
+        case CPU_1004K:
                cpu_wait = r4k_wait;
                if (read_c0_config7() & MIPS_CONF7_WII)
                        cpu_wait = r4k_wait_irqoff;
@@ -675,6 +676,12 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c)
                return;
 }
+#ifdef CONFIG_CPU_MIPSR2
+extern void spram_config(void);
+#else
+static inline void spram_config(void) {}
+#endif
 static inline void cpu_probe_mips(struct cpuinfo_mips *c)
 {
        decode_configs(c);
@@ -711,7 +718,12 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c)
        case PRID_IMP_74K:
                c->cputype = CPU_74K;
                break;
+        case PRID_IMP_1004K:
+                c->cputype = CPU_1004K;
+                break;
        }
+        spram_config();
 }
 static inline void cpu_probe_alchemy(struct cpuinfo_mips *c)
@@ -778,7 +790,7 @@ static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c)
        }
 }
-static inline void cpu_probe_philips(struct cpuinfo_mips *c)
+static inline void cpu_probe_nxp(struct cpuinfo_mips *c)
 {
        decode_configs(c);
        switch (c->processor_id & 0xff00) {
@@ -787,7 +799,7 @@ static inline void cpu_probe_philips(struct cpuinfo_mips *c)
                c->isa_level = MIPS_CPU_ISA_M32R1;
                break;
        default:
-                panic("Unknown Philips Core!"); /* REVISIT: die? */
+                panic("Unknown NXP Core!"); /* REVISIT: die? */
                break;
        }
 }
@@ -876,6 +888,7 @@ static __cpuinit const char *cpu_to_name(struct cpuinfo_mips *c)
        case CPU_24K:           name = "MIPS 24K"; break;
        case CPU_25KF:          name = "MIPS 25Kf"; break;
        case CPU_34K:           name = "MIPS 34K"; break;
+        case CPU_1004K:         name = "MIPS 1004K"; break;
        case CPU_74K:           name = "MIPS 74K"; break;
        case CPU_VR4111:        name = "NEC VR4111"; break;
        case CPU_VR4121:        name = "NEC VR4121"; break;
@@ -925,8 +938,8 @@ __cpuinit void cpu_probe(void)
        case PRID_COMP_SANDCRAFT:
                cpu_probe_sandcraft(c);
                break;
-        case PRID_COMP_PHILIPS:
+        case PRID_COMP_NXP:
-                cpu_probe_philips(c);
+                cpu_probe_nxp(c);
                break;
        default:
                c->cputype = CPU_UNKNOWN;
diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c
new file mode 100644
index 000000000000..1d5f63cf8997
--- /dev/null
+++ b/arch/mips/kernel/csrc-ioasic.c
@@ -0,0 +1,65 @@
+/*
+ *  DEC I/O ASIC's counter clocksource
+ *
+ *  Copyright (C) 2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/clocksource.h>
+#include <linux/init.h>
+#include <asm/ds1287.h>
+#include <asm/time.h>
+#include <asm/dec/ioasic.h>
+#include <asm/dec/ioasic_addrs.h>
+static cycle_t dec_ioasic_hpt_read(void)
+{
+        return ioasic_read(IO_REG_FCTR);
+}
+static struct clocksource clocksource_dec = {
+        .name           = "dec-ioasic",
+        .read           = dec_ioasic_hpt_read,
+        .mask           = CLOCKSOURCE_MASK(32),
+        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+void __init dec_ioasic_clocksource_init(void)
+{
+        unsigned int freq;
+        u32 start, end;
+        int i = HZ / 10;
+        while (!ds1287_timer_state())
+                ;
+        start = dec_ioasic_hpt_read();
+        while (i--)
+                while (!ds1287_timer_state())
+                        ;
+        end = dec_ioasic_hpt_read();
+        freq = (end - start) * 10;
+        printk(KERN_INFO "I/O ASIC clock frequency %dHz\n", freq);
+        clocksource_dec.rating = 200 + freq / 10000000;
+        clocksource_set_clock(&clocksource_dec, freq);
+        clocksource_register(&clocksource_dec);
+}
diff --git a/arch/mips/kernel/gpio_txx9.c b/arch/mips/kernel/gpio_txx9.c
new file mode 100644
index 000000000000..b1436a857998
--- /dev/null
+++ b/arch/mips/kernel/gpio_txx9.c
@@ -0,0 +1,87 @@
+/*
+ * A gpio chip driver for TXx9 SoCs
+ *
+ * Copyright (C) 2008 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/gpio.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <asm/txx9pio.h>
+static DEFINE_SPINLOCK(txx9_gpio_lock);
+static struct txx9_pio_reg __iomem *txx9_pioptr;
+static int txx9_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+        return __raw_readl(&txx9_pioptr->din) & (1 << offset);
+}
+static void txx9_gpio_set_raw(unsigned int offset, int value)
+{
+        u32 val;
+        val = __raw_readl(&txx9_pioptr->dout);
+        if (value)
+                val |= 1 << offset;
+        else
+                val &= ~(1 << offset);
+        __raw_writel(val, &txx9_pioptr->dout);
+}
+static void txx9_gpio_set(struct gpio_chip *chip, unsigned int offset,
+                          int value)
+{
+        unsigned long flags;
+        spin_lock_irqsave(&txx9_gpio_lock, flags);
+        txx9_gpio_set_raw(offset, value);
+        mmiowb();
+        spin_unlock_irqrestore(&txx9_gpio_lock, flags);
+}
+static int txx9_gpio_dir_in(struct gpio_chip *chip, unsigned int offset)
+{
+        spin_lock_irq(&txx9_gpio_lock);
+        __raw_writel(__raw_readl(&txx9_pioptr->dir) & ~(1 << offset),
+                     &txx9_pioptr->dir);
+        mmiowb();
+        spin_unlock_irq(&txx9_gpio_lock);
+        return 0;
+}
+static int txx9_gpio_dir_out(struct gpio_chip *chip, unsigned int offset,
+                             int value)
+{
+        spin_lock_irq(&txx9_gpio_lock);
+        txx9_gpio_set_raw(offset, value);
+        __raw_writel(__raw_readl(&txx9_pioptr->dir) | (1 << offset),
+                     &txx9_pioptr->dir);
+        mmiowb();
+        spin_unlock_irq(&txx9_gpio_lock);
+        return 0;
+}
+static struct gpio_chip txx9_gpio_chip = {
+        .get = txx9_gpio_get,
+        .set = txx9_gpio_set,
+        .direction_input = txx9_gpio_dir_in,
+        .direction_output = txx9_gpio_dir_out,
+        .label = "TXx9",
+};
+int __init txx9_gpio_init(unsigned long baseaddr,
+                          unsigned int base, unsigned int num)
+{
+        txx9_pioptr = ioremap(baseaddr, sizeof(struct txx9_pio_reg));
+        if (!txx9_pioptr)
+                return -ENODEV;
+        txx9_gpio_chip.base = base;
+        txx9_gpio_chip.ngpio = num;
+        return gpiochip_add(&txx9_gpio_chip);
+}
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
new file mode 100644
index 000000000000..f0a4bb19e096
--- /dev/null
+++ b/arch/mips/kernel/irq-gic.c
@@ -0,0 +1,295 @@
+#undef DEBUG
+#include <linux/bitmap.h>
+#include <linux/init.h>
+#include <asm/io.h>
+#include <asm/gic.h>
+#include <asm/gcmpregs.h>
+#include <asm/mips-boards/maltaint.h>
+#include <asm/irq.h>
+#include <linux/hardirq.h>
+#include <asm-generic/bitops/find.h>
+static unsigned long _gic_base;
+static unsigned int _irqbase, _mapsize, numvpes, numintrs;
+static struct gic_intr_map *_intrmap;
+static struct gic_pcpu_mask pcpu_masks[NR_CPUS];
+static struct gic_pending_regs pending_regs[NR_CPUS];
+static struct gic_intrmask_regs intrmask_regs[NR_CPUS];
+#define gic_wedgeb2bok 0        /*
+                                 * Can GIC handle b2b writes to wedge register?
+                                 */
+#if gic_wedgeb2bok == 0
+static DEFINE_SPINLOCK(gic_wedgeb2b_lock);
+#endif
+void gic_send_ipi(unsigned int intr)
+{
+#if gic_wedgeb2bok == 0
+        unsigned long flags;
+#endif
+        pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__,
+                 read_c0_status());
+        if (!gic_wedgeb2bok)
+                spin_lock_irqsave(&gic_wedgeb2b_lock, flags);
+        GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr);
+        if (!gic_wedgeb2bok) {
+                (void) GIC_REG(SHARED, GIC_SH_CONFIG);
+                spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags);
+        }
+}
+/* This is Malta specific and needs to be exported */
+static void vpe_local_setup(unsigned int numvpes)
+{
+        int i;
+        unsigned long timer_interrupt = 5, perf_interrupt = 5;
+        unsigned int vpe_ctl;
+        /*
+         * Setup the default performance counter timer interrupts
+         * for all VPEs
+         */
+        for (i = 0; i < numvpes; i++) {
+                GICWRITE(GIC_REG(VPE_LOCAL, GIC_VPE_OTHER_ADDR), i);
+                /* Are Interrupts locally routable? */
+                GICREAD(GIC_REG(VPE_OTHER, GIC_VPE_CTL), vpe_ctl);
+                if (vpe_ctl & GIC_VPE_CTL_TIMER_RTBL_MSK)
+                        GICWRITE(GIC_REG(VPE_OTHER, GIC_VPE_TIMER_MAP),
+                                 GIC_MAP_TO_PIN_MSK | timer_interrupt);
+                if (vpe_ctl & GIC_VPE_CTL_PERFCNT_RTBL_MSK)
+                        GICWRITE(GIC_REG(VPE_OTHER, GIC_VPE_PERFCTR_MAP),
+                                 GIC_MAP_TO_PIN_MSK | perf_interrupt);
+        }
+}
+unsigned int gic_get_int(void)
+{
+        unsigned int i;
+        unsigned long *pending, *intrmask, *pcpu_mask;
+        unsigned long *pending_abs, *intrmask_abs;
+        /* Get per-cpu bitmaps */
+        pending = pending_regs[smp_processor_id()].pending;
+        intrmask = intrmask_regs[smp_processor_id()].intrmask;
+        pcpu_mask = pcpu_masks[smp_processor_id()].pcpu_mask;
+        pending_abs = (unsigned long *) GIC_REG_ABS_ADDR(SHARED,
+                                                         GIC_SH_PEND_31_0_OFS);
+        intrmask_abs = (unsigned long *) GIC_REG_ABS_ADDR(SHARED,
+                                                          GIC_SH_MASK_31_0_OFS);
+        for (i = 0; i < BITS_TO_LONGS(GIC_NUM_INTRS); i++) {
+                GICREAD(*pending_abs, pending[i]);
+                GICREAD(*intrmask_abs, intrmask[i]);
+                pending_abs++;
+                intrmask_abs++;
+        }
+        bitmap_and(pending, pending, intrmask, GIC_NUM_INTRS);
+        bitmap_and(pending, pending, pcpu_mask, GIC_NUM_INTRS);
+        i = find_first_bit(pending, GIC_NUM_INTRS);
+        pr_debug("CPU%d: %s pend=%d\n", smp_processor_id(), __func__, i);
+        return i;
+}
+static unsigned int gic_irq_startup(unsigned int irq)
+{
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        irq -= _irqbase;
+        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
+        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
+                 1 << (irq % 32));
+        return 0;
+}
+static void gic_irq_ack(unsigned int irq)
+{
+#if gic_wedgeb2bok == 0
+        unsigned long flags;
+#endif
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        irq -= _irqbase;
+        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
+                 1 << (irq % 32));
+        if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) {
+                if (!gic_wedgeb2bok)
+                        spin_lock_irqsave(&gic_wedgeb2b_lock, flags);
+                GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
+                if (!gic_wedgeb2bok) {
+                        (void) GIC_REG(SHARED, GIC_SH_CONFIG);
+                        spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags);
+                }
+        }
+}
+static void gic_mask_irq(unsigned int irq)
+{
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        irq -= _irqbase;
+        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
+        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
+                 1 << (irq % 32));
+}
+static void gic_unmask_irq(unsigned int irq)
+{
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        irq -= _irqbase;
+        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
+        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
+                 1 << (irq % 32));
+}
+#ifdef CONFIG_SMP
+static DEFINE_SPINLOCK(gic_lock);
+static void gic_set_affinity(unsigned int irq, cpumask_t cpumask)
+{
+        cpumask_t       tmp = CPU_MASK_NONE;
+        unsigned long   flags;
+        int             i;
+        pr_debug(KERN_DEBUG "%s called\n", __func__);
+        irq -= _irqbase;
+        cpus_and(tmp, cpumask, cpu_online_map);
+        if (cpus_empty(tmp))
+                return;
+        /* Assumption : cpumask refers to a single CPU */
+        spin_lock_irqsave(&gic_lock, flags);
+        for (;;) {
+                /* Re-route this IRQ */
+                GIC_SH_MAP_TO_VPE_SMASK(irq, first_cpu(tmp));
+                /*
+                 * FIXME: assumption that _intrmap is ordered and has no holes
+                 */
+                /* Update the intr_map */
+                _intrmap[irq].cpunum = first_cpu(tmp);
+                /* Update the pcpu_masks */
+                for (i = 0; i < NR_CPUS; i++)
+                        clear_bit(irq, pcpu_masks[i].pcpu_mask);
+                set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);
+        }
+        irq_desc[irq].affinity = cpumask;
+        spin_unlock_irqrestore(&gic_lock, flags);
+}
+#endif
+static struct irq_chip gic_irq_controller = {
+        .name           =       "MIPS GIC",
+        .startup        =       gic_irq_startup,
+        .ack            =       gic_irq_ack,
+        .mask           =       gic_mask_irq,
+        .mask_ack       =       gic_mask_irq,
+        .unmask         =       gic_unmask_irq,
+        .eoi            =       gic_unmask_irq,
+#ifdef CONFIG_SMP
+        .set_affinity   =       gic_set_affinity,
+#endif
+};
+static void __init setup_intr(unsigned int intr, unsigned int cpu,
+        unsigned int pin, unsigned int polarity, unsigned int trigtype)
+{
+        /* Setup Intr to Pin mapping */
+        if (pin & GIC_MAP_TO_NMI_MSK) {
+                GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_MAP_TO_PIN(intr)), pin);
+                /* FIXME: hack to route NMI to all cpu's */
+                for (cpu = 0; cpu < NR_CPUS; cpu += 32) {
+                        GICWRITE(GIC_REG_ADDR(SHARED,
+                                          GIC_SH_MAP_TO_VPE_REG_OFF(intr, cpu)),
+                                 0xffffffff);
+                }
+        } else {
+                GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_MAP_TO_PIN(intr)),
+                         GIC_MAP_TO_PIN_MSK | pin);
+                /* Setup Intr to CPU mapping */
+                GIC_SH_MAP_TO_VPE_SMASK(intr, cpu);
+        }
+        /* Setup Intr Polarity */
+        GIC_SET_POLARITY(intr, polarity);
+        /* Setup Intr Trigger Type */
+        GIC_SET_TRIGGER(intr, trigtype);
+        /* Init Intr Masks */
+        GIC_SET_INTR_MASK(intr, 0);
+}
+static void __init gic_basic_init(void)
+{
+        unsigned int i, cpu;
+        /* Setup defaults */
+        for (i = 0; i < GIC_NUM_INTRS; i++) {
+                GIC_SET_POLARITY(i, GIC_POL_POS);
+                GIC_SET_TRIGGER(i, GIC_TRIG_LEVEL);
+                GIC_SET_INTR_MASK(i, 0);
+        }
+        /* Setup specifics */
+        for (i = 0; i < _mapsize; i++) {
+                cpu = _intrmap[i].cpunum;
+                if (cpu == X)
+                        continue;
+                setup_intr(_intrmap[i].intrnum,
+                                _intrmap[i].cpunum,
+                                _intrmap[i].pin,
+                                _intrmap[i].polarity,
+                                _intrmap[i].trigtype);
+                /* Initialise per-cpu Interrupt software masks */
+                if (_intrmap[i].ipiflag)
+                        set_bit(_intrmap[i].intrnum, pcpu_masks[cpu].pcpu_mask);
+        }
+        vpe_local_setup(numvpes);
+        for (i = _irqbase; i < (_irqbase + numintrs); i++)
+                set_irq_chip(i, &gic_irq_controller);
+}
+void __init gic_init(unsigned long gic_base_addr,
+                     unsigned long gic_addrspace_size,
+                     struct gic_intr_map *intr_map, unsigned int intr_map_size,
+                     unsigned int irqbase)
+{
+        unsigned int gicconfig;
+        _gic_base = (unsigned long) ioremap_nocache(gic_base_addr,
+                                                    gic_addrspace_size);
+        _irqbase = irqbase;
+        _intrmap = intr_map;
+        _mapsize = intr_map_size;
+        GICREAD(GIC_REG(SHARED, GIC_SH_CONFIG), gicconfig);
+        numintrs = (gicconfig & GIC_SH_CONFIG_NUMINTRS_MSK) >>
+                   GIC_SH_CONFIG_NUMINTRS_SHF;
+        numintrs = ((numintrs + 1) * 8);
+        numvpes = (gicconfig & GIC_SH_CONFIG_NUMVPES_MSK) >>
+                  GIC_SH_CONFIG_NUMVPES_SHF;
+        pr_debug("%s called\n", __func__);
+        gic_basic_init();
+}
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
index 4edc7e451d91..963c16d266ab 100644
--- a/arch/mips/kernel/irq-msc01.c
+++ b/arch/mips/kernel/irq-msc01.c
@@ -17,6 +17,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/msc01_ic.h>
+#include <asm/traps.h>
 static unsigned long _icctrl_msc;
 #define MSC01_IC_REG_BASE       _icctrl_msc
@@ -98,14 +99,13 @@ void ll_msc_irq(void)
        }
 }
-void
+static void msc_bind_eic_interrupt(int irq, int set)
-msc_bind_eic_interrupt(unsigned int irq, unsigned int set)
 {
        MSCIC_WRITE(MSC01_IC_RAMW,
                    (irq<<MSC01_IC_RAMW_ADDR_SHF) | (set<<MSC01_IC_RAMW_DATA_SHF));
 }
-struct irq_chip msc_levelirq_type = {
+static struct irq_chip msc_levelirq_type = {
        .name = "SOC-it-Level",
        .ack = level_mask_and_ack_msc_irq,
        .mask = mask_msc_irq,
@@ -115,7 +115,7 @@ struct irq_chip msc_levelirq_type = {
        .end = end_msc_irq,
 };
-struct irq_chip msc_edgeirq_type = {
+static struct irq_chip msc_edgeirq_type = {
        .name = "SOC-it-Edge",
        .ack = edge_mask_and_ack_msc_irq,
        .mask = mask_msc_irq,
@@ -128,8 +128,6 @@ struct irq_chip msc_edgeirq_type = {
 void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqmap_t *imp, int nirq)
 {
-        extern void (*board_bind_eic_interrupt)(unsigned int irq, unsigned int regset);
        _icctrl_msc = (unsigned long) ioremap(icubase, 0x40000);
        /* Reset interrupt controller - initialises all registers to 0 */
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index c0faabd52010..6c8e8c4246f7 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -14,7 +14,7 @@
 /* #define DEBUG_SIG */
 #ifdef DEBUG_SIG
-#  define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
+#  define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
 #else
 #  define DEBUGP(fmt, args...)
 #endif
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
new file mode 100644
index 000000000000..ca476c4f62a5
--- /dev/null
+++ b/arch/mips/kernel/smp-cmp.c
@@ -0,0 +1,265 @@
+/*
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 MIPS Technologies, Inc.
+ *    Chris Dearman (chris@mips.com)
+ */
+#undef DEBUG
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/cpumask.h>
+#include <linux/interrupt.h>
+#include <linux/compiler.h>
+#include <asm/atomic.h>
+#include <asm/cacheflush.h>
+#include <asm/cpu.h>
+#include <asm/processor.h>
+#include <asm/system.h>
+#include <asm/hardirq.h>
+#include <asm/mmu_context.h>
+#include <asm/smp.h>
+#include <asm/time.h>
+#include <asm/mipsregs.h>
+#include <asm/mipsmtregs.h>
+#include <asm/mips_mt.h>
+/*
+ * Crude manipulation of the CPU masks to control which
+ * which CPU's are brought online during initialisation
+ *
+ * Beware... this needs to be called after CPU discovery
+ * but before CPU bringup
+ */
+static int __init allowcpus(char *str)
+{
+        cpumask_t cpu_allow_map;
+        char buf[256];
+        int len;
+        cpus_clear(cpu_allow_map);
+        if (cpulist_parse(str, cpu_allow_map) == 0) {
+                cpu_set(0, cpu_allow_map);
+                cpus_and(cpu_possible_map, cpu_possible_map, cpu_allow_map);
+                len = cpulist_scnprintf(buf, sizeof(buf)-1, cpu_possible_map);
+                buf[len] = '\0';
+                pr_debug("Allowable CPUs: %s\n", buf);
+                return 1;
+        } else
+                return 0;
+}
+__setup("allowcpus=", allowcpus);
+static void ipi_call_function(unsigned int cpu)
+{
+        unsigned int action = 0;
+        pr_debug("CPU%d: %s cpu %d status %08x\n",
+                 smp_processor_id(), __func__, cpu, read_c0_status());
+        switch (cpu) {
+        case 0:
+                action = GIC_IPI_EXT_INTR_CALLFNC_VPE0;
+                break;
+        case 1:
+                action = GIC_IPI_EXT_INTR_CALLFNC_VPE1;
+                break;
+        case 2:
+                action = GIC_IPI_EXT_INTR_CALLFNC_VPE2;
+                break;
+        case 3:
+                action = GIC_IPI_EXT_INTR_CALLFNC_VPE3;
+                break;
+        }
+        gic_send_ipi(action);
+}
+static void ipi_resched(unsigned int cpu)
+{
+        unsigned int action = 0;
+        pr_debug("CPU%d: %s cpu %d status %08x\n",
+                 smp_processor_id(), __func__, cpu, read_c0_status());
+        switch (cpu) {
+        case 0:
+                action = GIC_IPI_EXT_INTR_RESCHED_VPE0;
+                break;
+        case 1:
+                action = GIC_IPI_EXT_INTR_RESCHED_VPE1;
+                break;
+        case 2:
+                action = GIC_IPI_EXT_INTR_RESCHED_VPE2;
+                break;
+        case 3:
+                action = GIC_IPI_EXT_INTR_RESCHED_VPE3;
+                break;
+        }
+        gic_send_ipi(action);
+}
+/*
+ * FIXME: This isn't restricted to CMP
+ * The SMVP kernel could use GIC interrupts if available
+ */
+void cmp_send_ipi_single(int cpu, unsigned int action)
+{
+        unsigned long flags;
+        local_irq_save(flags);
+        switch (action) {
+        case SMP_CALL_FUNCTION:
+                ipi_call_function(cpu);
+                break;
+        case SMP_RESCHEDULE_YOURSELF:
+                ipi_resched(cpu);
+                break;
+        }
+        local_irq_restore(flags);
+}
+static void cmp_send_ipi_mask(cpumask_t mask, unsigned int action)
+{
+        unsigned int i;
+        for_each_cpu_mask(i, mask)
+                cmp_send_ipi_single(i, action);
+}
+static void cmp_init_secondary(void)
+{
+        struct cpuinfo_mips *c = &current_cpu_data;
+        /* Assume GIC is present */
+        change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP6 |
+                                 STATUSF_IP7);
+        /* Enable per-cpu interrupts: platform specific */
+        c->core = (read_c0_ebase() >> 1) & 0xff;
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
+        c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE;
+#endif
+#ifdef CONFIG_MIPS_MT_SMTC
+        c->tc_id  = (read_c0_tcbind() >> TCBIND_CURTC_SHIFT) & TCBIND_CURTC;
+#endif
+}
+static void cmp_smp_finish(void)
+{
+        pr_debug("SMPCMP: CPU%d: %s\n", smp_processor_id(), __func__);
+        /* CDFIXME: remove this? */
+        write_c0_compare(read_c0_count() + (8 * mips_hpt_frequency / HZ));
+#ifdef CONFIG_MIPS_MT_FPAFF
+        /* If we have an FPU, enroll ourselves in the FPU-full mask */
+        if (cpu_has_fpu)
+                cpu_set(smp_processor_id(), mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
+        local_irq_enable();
+}
+static void cmp_cpus_done(void)
+{
+        pr_debug("SMPCMP: CPU%d: %s\n", smp_processor_id(), __func__);
+}
+/*
+ * Setup the PC, SP, and GP of a secondary processor and start it running
+ * smp_bootstrap is the place to resume from
+ * __KSTK_TOS(idle) is apparently the stack pointer
+ * (unsigned long)idle->thread_info the gp
+ */
+static void cmp_boot_secondary(int cpu, struct task_struct *idle)
+{
+        struct thread_info *gp = task_thread_info(idle);
+        unsigned long sp = __KSTK_TOS(idle);
+        unsigned long pc = (unsigned long)&smp_bootstrap;
+        unsigned long a0 = 0;
+        pr_debug("SMPCMP: CPU%d: %s cpu %d\n", smp_processor_id(),
+                __func__, cpu);
+#if 0
+        /* Needed? */
+        flush_icache_range((unsigned long)gp,
+                           (unsigned long)(gp + sizeof(struct thread_info)));
+#endif
+        amon_cpu_start(cpu, pc, sp, gp, a0);
+}
+/*
+ * Common setup before any secondaries are started
+ */
+void __init cmp_smp_setup(void)
+{
+        int i;
+        int ncpu = 0;
+        pr_debug("SMPCMP: CPU%d: %s\n", smp_processor_id(), __func__);
+#ifdef CONFIG_MIPS_MT_FPAFF
+        /* If we have an FPU, enroll ourselves in the FPU-full mask */
+        if (cpu_has_fpu)
+                cpu_set(0, mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
+        for (i = 1; i < NR_CPUS; i++) {
+                if (amon_cpu_avail(i)) {
+                        cpu_set(i, phys_cpu_present_map);
+                        __cpu_number_map[i]     = ++ncpu;
+                        __cpu_logical_map[ncpu] = i;
+                }
+        }
+        if (cpu_has_mipsmt) {
+                unsigned int nvpe, mvpconf0 = read_c0_mvpconf0();
+                nvpe = ((mvpconf0 & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
+                smp_num_siblings = nvpe;
+        }
+        pr_info("Detected %i available secondary CPU(s)\n", ncpu);
+}
+void __init cmp_prepare_cpus(unsigned int max_cpus)
+{
+        pr_debug("SMPCMP: CPU%d: %s max_cpus=%d\n",
+                 smp_processor_id(), __func__, max_cpus);
+        /*
+         * FIXME: some of these options are per-system, some per-core and
+         * some per-cpu
+         */
+        mips_mt_set_cpuoptions();
+}
+struct plat_smp_ops cmp_smp_ops = {
+        .send_ipi_single        = cmp_send_ipi_single,
+        .send_ipi_mask          = cmp_send_ipi_mask,
+        .init_secondary         = cmp_init_secondary,
+        .smp_finish             = cmp_smp_finish,
+        .cpus_done              = cmp_cpus_done,
+        .boot_secondary         = cmp_boot_secondary,
+        .smp_setup              = cmp_smp_setup,
+        .prepare_cpus           = cmp_prepare_cpus,
+};
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 89e6f6aa5166..87a1816c1f45 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -36,110 +36,7 @@
 #include <asm/mipsmtregs.h>
 #include <asm/mips_mt.h>
-#define MIPS_CPU_IPI_RESCHED_IRQ 0
+static void __init smvp_copy_vpe_config(void)
-#define MIPS_CPU_IPI_CALL_IRQ 1
-static int cpu_ipi_resched_irq, cpu_ipi_call_irq;
-#if 0
-static void dump_mtregisters(int vpe, int tc)
-{
-        printk("vpe %d tc %d\n", vpe, tc);
-        settc(tc);
-        printk("  c0 status  0x%lx\n", read_vpe_c0_status());
-        printk("  vpecontrol 0x%lx\n", read_vpe_c0_vpecontrol());
-        printk("  vpeconf0    0x%lx\n", read_vpe_c0_vpeconf0());
-        printk("  tcstatus 0x%lx\n", read_tc_c0_tcstatus());
-        printk("  tcrestart 0x%lx\n", read_tc_c0_tcrestart());
-        printk("  tcbind 0x%lx\n", read_tc_c0_tcbind());
-        printk("  tchalt 0x%lx\n", read_tc_c0_tchalt());
-}
-#endif
-void __init sanitize_tlb_entries(void)
-{
-        int i, tlbsiz;
-        unsigned long mvpconf0, ncpu;
-        if (!cpu_has_mipsmt)
-                return;
-        /* Enable VPC */
-        set_c0_mvpcontrol(MVPCONTROL_VPC);
-        back_to_back_c0_hazard();
-        /* Disable TLB sharing */
-        clear_c0_mvpcontrol(MVPCONTROL_STLB);
-        mvpconf0 = read_c0_mvpconf0();
-        printk(KERN_INFO "MVPConf0 0x%lx TLBS %lx PTLBE %ld\n", mvpconf0,
-                   (mvpconf0 & MVPCONF0_TLBS) >> MVPCONF0_TLBS_SHIFT,
-                           (mvpconf0 & MVPCONF0_PTLBE) >> MVPCONF0_PTLBE_SHIFT);
-        tlbsiz = (mvpconf0 & MVPCONF0_PTLBE) >> MVPCONF0_PTLBE_SHIFT;
-        ncpu = ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
-        printk(" tlbsiz %d ncpu %ld\n", tlbsiz, ncpu);
-        if (tlbsiz > 0) {
-                /* share them out across the vpe's */
-                tlbsiz /= ncpu;
-                printk(KERN_INFO "setting Config1.MMU_size to %d\n", tlbsiz);
-                for (i = 0; i < ncpu; i++) {
-                        settc(i);
-                        if (i == 0)
-                                write_c0_config1((read_c0_config1() & ~(0x3f << 25)) | (tlbsiz << 25));
-                        else
-                                write_vpe_c0_config1((read_vpe_c0_config1() & ~(0x3f << 25)) |
-                                                   (tlbsiz << 25));
-                }
-        }
-        clear_c0_mvpcontrol(MVPCONTROL_VPC);
-}
-static void ipi_resched_dispatch(void)
-{
-        do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ);
-}
-static void ipi_call_dispatch(void)
-{
-        do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ);
-}
-static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
-{
-        return IRQ_HANDLED;
-}
-static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
-{
-        smp_call_function_interrupt();
-        return IRQ_HANDLED;
-}
-static struct irqaction irq_resched = {
-        .handler        = ipi_resched_interrupt,
-        .flags          = IRQF_DISABLED|IRQF_PERCPU,
-        .name           = "IPI_resched"
-};
-static struct irqaction irq_call = {
-        .handler        = ipi_call_interrupt,
-        .flags          = IRQF_DISABLED|IRQF_PERCPU,
-        .name           = "IPI_call"
-};
-static void __init smp_copy_vpe_config(void)
 {
        write_vpe_c0_status(
                (read_c0_status() & ~(ST0_IM | ST0_IE | ST0_KSU)) | ST0_CU0);
@@ -156,7 +53,7 @@ static void __init smp_copy_vpe_config(void)
        write_vpe_c0_count(read_c0_count());
 }
-static unsigned int __init smp_vpe_init(unsigned int tc, unsigned int mvpconf0,
+static unsigned int __init smvp_vpe_init(unsigned int tc, unsigned int mvpconf0,
        unsigned int ncpu)
 {
        if (tc > ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT))
@@ -182,12 +79,12 @@ static unsigned int __init smp_vpe_init(unsigned int tc, unsigned int mvpconf0,
        write_vpe_c0_vpecontrol(read_vpe_c0_vpecontrol() & ~VPECONTROL_TE);
        if (tc != 0)
-                smp_copy_vpe_config();
+                smvp_copy_vpe_config();
        return ncpu;
 }
-static void __init smp_tc_init(unsigned int tc, unsigned int mvpconf0)
+static void __init smvp_tc_init(unsigned int tc, unsigned int mvpconf0)
 {
        unsigned long tmp;
@@ -254,15 +151,20 @@ static void vsmp_send_ipi_mask(cpumask_t mask, unsigned int action)
 static void __cpuinit vsmp_init_secondary(void)
 {
-        /* Enable per-cpu interrupts */
+        extern int gic_present;
        /* This is Malta specific: IPI,performance and timer inetrrupts */
-        write_c0_status((read_c0_status() & ~ST0_IM ) |
+        if (gic_present)
-                        (STATUSF_IP0 | STATUSF_IP1 | STATUSF_IP6 | STATUSF_IP7));
+                change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 |
+                                         STATUSF_IP6 | STATUSF_IP7);
+        else
+                change_c0_status(ST0_IM, STATUSF_IP0 | STATUSF_IP1 |
+                                         STATUSF_IP6 | STATUSF_IP7);
 }
 static void __cpuinit vsmp_smp_finish(void)
 {
+        /* CDFIXME: remove this? */
        write_c0_compare(read_c0_count() + (8* mips_hpt_frequency/HZ));
 #ifdef CONFIG_MIPS_MT_FPAFF
@@ -323,7 +225,7 @@ static void __cpuinit vsmp_boot_secondary(int cpu, struct task_struct *idle)
 /*
 * Common setup before any secondaries are started
 * Make sure all CPU's are in a sensible state before we boot any of the
- * secondarys
+ * secondaries
 */
 static void __init vsmp_smp_setup(void)
 {
@@ -356,8 +258,8 @@ static void __init vsmp_smp_setup(void)
        for (tc = 0; tc <= ntc; tc++) {
                settc(tc);
-                smp_tc_init(tc, mvpconf0);
+                smvp_tc_init(tc, mvpconf0);
-                ncpu = smp_vpe_init(tc, mvpconf0, ncpu);
+                ncpu = smvp_vpe_init(tc, mvpconf0, ncpu);
        }
        /* Release config state */
@@ -371,21 +273,6 @@ static void __init vsmp_smp_setup(void)
 static void __init vsmp_prepare_cpus(unsigned int max_cpus)
 {
        mips_mt_set_cpuoptions();
-        /* set up ipi interrupts */
-        if (cpu_has_vint) {
-                set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
-                set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
-        }
-        cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ;
-        cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ;
-        setup_irq(cpu_ipi_resched_irq, &irq_resched);
-        setup_irq(cpu_ipi_call_irq, &irq_call);
-        set_irq_handler(cpu_ipi_resched_irq, handle_percpu_irq);
-        set_irq_handler(cpu_ipi_call_irq, handle_percpu_irq);
 }
 struct plat_smp_ops vsmp_smp_ops = {
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 9d41dab90a80..33780cc61ce9 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -35,6 +35,7 @@
 #include <asm/atomic.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
+#include <asm/r4k-timer.h>
 #include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/time.h>
@@ -125,6 +126,8 @@ asmlinkage __cpuinit void start_secondary(void)
        cpu_set(cpu, cpu_callin_map);
+        synchronise_count_slave();
        cpu_idle();
 }
@@ -287,6 +290,7 @@ void smp_send_stop(void)
 void __init smp_cpus_done(unsigned int max_cpus)
 {
        mp_ops->cpus_done();
+        synchronise_count_master();
 }
 /* called from main before smp_init() */
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index b42e71c71119..3e863186cd22 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -174,14 +174,6 @@ static int clock_hang_reported[NR_CPUS];
 #endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */
-/* Initialize shared TLB - the should probably migrate to smtc_setup_cpus() */
-void __init sanitize_tlb_entries(void)
-{
-        printk("Deprecated sanitize_tlb_entries() invoked\n");
-}
 /*
 * Configure shared TLB - VPC configuration bit must be set by caller
 */
@@ -339,7 +331,8 @@ static void smtc_tc_setup(int vpe, int tc, int cpu)
        /* In general, all TCs should have the same cpu_data indications */
        memcpy(&cpu_data[cpu], &cpu_data[0], sizeof(struct cpuinfo_mips));
        /* For 34Kf, start with TC/CPU 0 as sole owner of single FPU context */
-        if (cpu_data[0].cputype == CPU_34K)
+        if (cpu_data[0].cputype == CPU_34K ||
+            cpu_data[0].cputype == CPU_1004K)
                cpu_data[cpu].options &= ~MIPS_CPU_FPU;
        cpu_data[cpu].vpe_id = vpe;
        cpu_data[cpu].tc_id = tc;
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
new file mode 100644
index 000000000000..6ddb507a87ef
--- /dev/null
+++ b/arch/mips/kernel/spram.c
@@ -0,0 +1,221 @@
+/*
+ * MIPS SPRAM support
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Copyright (C) 2007, 2008 MIPS Technologies, Inc.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+#include <linux/stddef.h>
+#include <asm/cpu.h>
+#include <asm/fpu.h>
+#include <asm/mipsregs.h>
+#include <asm/system.h>
+#include <asm/r4kcache.h>
+#include <asm/hazards.h>
+/*
+ * These definitions are correct for the 24K/34K/74K SPRAM sample
+ * implementation. The 4KS interpreted the tags differently...
+ */
+#define SPRAM_TAG0_ENABLE       0x00000080
+#define SPRAM_TAG0_PA_MASK      0xfffff000
+#define SPRAM_TAG1_SIZE_MASK    0xfffff000
+#define SPRAM_TAG_STRIDE        8
+#define ERRCTL_SPRAM            (1 << 28)
+/* errctl access */
+#define read_c0_errctl(x) read_c0_ecc(x)
+#define write_c0_errctl(x) write_c0_ecc(x)
+/*
+ * Different semantics to the set_c0_* function built by __BUILD_SET_C0
+ */
+static __cpuinit unsigned int bis_c0_errctl(unsigned int set)
+{
+        unsigned int res;
+        res = read_c0_errctl();
+        write_c0_errctl(res | set);
+        return res;
+}
+static __cpuinit void ispram_store_tag(unsigned int offset, unsigned int data)
+{
+        unsigned int errctl;
+        /* enable SPRAM tag access */
+        errctl = bis_c0_errctl(ERRCTL_SPRAM);
+        ehb();
+        write_c0_taglo(data);
+        ehb();
+        cache_op(Index_Store_Tag_I, CKSEG0|offset);
+        ehb();
+        write_c0_errctl(errctl);
+        ehb();
+}
+static __cpuinit unsigned int ispram_load_tag(unsigned int offset)
+{
+        unsigned int data;
+        unsigned int errctl;
+        /* enable SPRAM tag access */
+        errctl = bis_c0_errctl(ERRCTL_SPRAM);
+        ehb();
+        cache_op(Index_Load_Tag_I, CKSEG0 | offset);
+        ehb();
+        data = read_c0_taglo();
+        ehb();
+        write_c0_errctl(errctl);
+        ehb();
+        return data;
+}
+static __cpuinit void dspram_store_tag(unsigned int offset, unsigned int data)
+{
+        unsigned int errctl;
+        /* enable SPRAM tag access */
+        errctl = bis_c0_errctl(ERRCTL_SPRAM);
+        ehb();
+        write_c0_dtaglo(data);
+        ehb();
+        cache_op(Index_Store_Tag_D, CKSEG0 | offset);
+        ehb();
+        write_c0_errctl(errctl);
+        ehb();
+}
+static __cpuinit unsigned int dspram_load_tag(unsigned int offset)
+{
+        unsigned int data;
+        unsigned int errctl;
+        errctl = bis_c0_errctl(ERRCTL_SPRAM);
+        ehb();
+        cache_op(Index_Load_Tag_D, CKSEG0 | offset);
+        ehb();
+        data = read_c0_dtaglo();
+        ehb();
+        write_c0_errctl(errctl);
+        ehb();
+        return data;
+}
+static __cpuinit void probe_spram(char *type,
+            unsigned int base,
+            unsigned int (*read)(unsigned int),
+            void (*write)(unsigned int, unsigned int))
+{
+        unsigned int firstsize = 0, lastsize = 0;
+        unsigned int firstpa = 0, lastpa = 0, pa = 0;
+        unsigned int offset = 0;
+        unsigned int size, tag0, tag1;
+        unsigned int enabled;
+        int i;
+        /*
+         * The limit is arbitrary but avoids the loop running away if
+         * the SPRAM tags are implemented differently
+         */
+        for (i = 0; i < 8; i++) {
+                tag0 = read(offset);
+                tag1 = read(offset+SPRAM_TAG_STRIDE);
+                pr_debug("DBG %s%d: tag0=%08x tag1=%08x\n",
+                         type, i, tag0, tag1);
+                size = tag1 & SPRAM_TAG1_SIZE_MASK;
+                if (size == 0)
+                        break;
+                if (i != 0) {
+                        /* tags may repeat... */
+                        if ((pa == firstpa && size == firstsize) ||
+                            (pa == lastpa && size == lastsize))
+                                break;
+                }
+                /* Align base with size */
+                base = (base + size - 1) & ~(size-1);
+                /* reprogram the base address base address and enable */
+                tag0 = (base & SPRAM_TAG0_PA_MASK) | SPRAM_TAG0_ENABLE;
+                write(offset, tag0);
+                base += size;
+                /* reread the tag */
+                tag0 = read(offset);
+                pa = tag0 & SPRAM_TAG0_PA_MASK;
+                enabled = tag0 & SPRAM_TAG0_ENABLE;
+                if (i == 0) {
+                        firstpa = pa;
+                        firstsize = size;
+                }
+                lastpa = pa;
+                lastsize = size;
+                if (strcmp(type, "DSPRAM") == 0) {
+                        unsigned int *vp = (unsigned int *)(CKSEG1 | pa);
+                        unsigned int v;
+#define TDAT    0x5a5aa5a5
+                        vp[0] = TDAT;
+                        vp[1] = ~TDAT;
+                        mb();
+                        v = vp[0];
+                        if (v != TDAT)
+                                printk(KERN_ERR "vp=%p wrote=%08x got=%08x\n",
+                                       vp, TDAT, v);
+                        v = vp[1];
+                        if (v != ~TDAT)
+                                printk(KERN_ERR "vp=%p wrote=%08x got=%08x\n",
+                                       vp+1, ~TDAT, v);
+                }
+                pr_info("%s%d: PA=%08x,Size=%08x%s\n",
+                        type, i, pa, size, enabled ? ",enabled" : "");
+                offset += 2 * SPRAM_TAG_STRIDE;
+        }
+}
+__cpuinit void spram_config(void)
+{
+        struct cpuinfo_mips *c = &current_cpu_data;
+        unsigned int config0;
+        switch (c->cputype) {
+        case CPU_24K:
+        case CPU_34K:
+        case CPU_74K:
+                config0 = read_c0_config();
+                /* FIXME: addresses are Malta specific */
+                if (config0 & (1<<24)) {
+                        probe_spram("ISPRAM", 0x1c000000,
+                                    &ispram_load_tag, &ispram_store_tag);
+                }
+                if (config0 & (1<<23))
+                        probe_spram("DSPRAM", 0x1c100000,
+                                    &dspram_load_tag, &dspram_store_tag);
+        }
+}
diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
new file mode 100644
index 000000000000..9021108eb9c1
--- /dev/null
+++ b/arch/mips/kernel/sync-r4k.c
@@ -0,0 +1,159 @@
+/*
+ * Count register synchronisation.
+ *
+ * All CPUs will have their count registers synchronised to the CPU0 expirelo
+ * value. This can cause a small timewarp for CPU0. All other CPU's should
+ * not have done anything significant (but they may have had interrupts
+ * enabled briefly - prom_smp_finish() should not be responsible for enabling
+ * interrupts...)
+ *
+ * FIXME: broken for SMTC
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irqflags.h>
+#include <linux/r4k-timer.h>
+#include <asm/atomic.h>
+#include <asm/barrier.h>
+#include <asm/cpumask.h>
+#include <asm/mipsregs.h>
+static atomic_t __initdata count_start_flag = ATOMIC_INIT(0);
+static atomic_t __initdata count_count_start = ATOMIC_INIT(0);
+static atomic_t __initdata count_count_stop = ATOMIC_INIT(0);
+#define COUNTON 100
+#define NR_LOOPS 5
+void __init synchronise_count_master(void)
+{
+        int i;
+        unsigned long flags;
+        unsigned int initcount;
+        int nslaves;
+#ifdef CONFIG_MIPS_MT_SMTC
+        /*
+         * SMTC needs to synchronise per VPE, not per CPU
+         * ignore for now
+         */
+        return;
+#endif
+        pr_info("Checking COUNT synchronization across %u CPUs: ",
+                num_online_cpus());
+        local_irq_save(flags);
+        /*
+         * Notify the slaves that it's time to start
+         */
+        atomic_set(&count_start_flag, 1);
+        smp_wmb();
+        /* Count will be initialised to expirelo for all CPU's */
+        initcount = expirelo;
+        /*
+         * We loop a few times to get a primed instruction cache,
+         * then the last pass is more or less synchronised and
+         * the master and slaves each set their cycle counters to a known
+         * value all at once. This reduces the chance of having random offsets
+         * between the processors, and guarantees that the maximum
+         * delay between the cycle counters is never bigger than
+         * the latency of information-passing (cachelines) between
+         * two CPUs.
+         */
+        nslaves = num_online_cpus()-1;
+        for (i = 0; i < NR_LOOPS; i++) {
+                /* slaves loop on '!= ncpus' */
+                while (atomic_read(&count_count_start) != nslaves)
+                        mb();
+                atomic_set(&count_count_stop, 0);
+                smp_wmb();
+                /* this lets the slaves write their count register */
+                atomic_inc(&count_count_start);
+                /*
+                 * Everyone initialises count in the last loop:
+                 */
+                if (i == NR_LOOPS-1)
+                        write_c0_count(initcount);
+                /*
+                 * Wait for all slaves to leave the synchronization point:
+                 */
+                while (atomic_read(&count_count_stop) != nslaves)
+                        mb();
+                atomic_set(&count_count_start, 0);
+                smp_wmb();
+                atomic_inc(&count_count_stop);
+        }
+        /* Arrange for an interrupt in a short while */
+        write_c0_compare(read_c0_count() + COUNTON);
+        local_irq_restore(flags);
+        /*
+         * i386 code reported the skew here, but the
+         * count registers were almost certainly out of sync
+         * so no point in alarming people
+         */
+        printk("done.\n");
+}
+void __init synchronise_count_slave(void)
+{
+        int i;
+        unsigned long flags;
+        unsigned int initcount;
+        int ncpus;
+#ifdef CONFIG_MIPS_MT_SMTC
+        /*
+         * SMTC needs to synchronise per VPE, not per CPU
+         * ignore for now
+         */
+        return;
+#endif
+        local_irq_save(flags);
+        /*
+         * Not every cpu is online at the time this gets called,
+         * so we first wait for the master to say everyone is ready
+         */
+        while (!atomic_read(&count_start_flag))
+                mb();
+        /* Count will be initialised to expirelo for all CPU's */
+        initcount = expirelo;
+        ncpus = num_online_cpus();
+        for (i = 0; i < NR_LOOPS; i++) {
+                atomic_inc(&count_count_start);
+                while (atomic_read(&count_count_start) != ncpus)
+                        mb();
+                /*
+                 * Everyone initialises count in the last loop:
+                 */
+                if (i == NR_LOOPS-1)
+                        write_c0_count(initcount);
+                atomic_inc(&count_count_stop);
+                while (atomic_read(&count_count_stop) != ncpus)
+                        mb();
+        }
+        /* Arrange for an interrupt in a short while */
+        write_c0_compare(read_c0_count() + COUNTON);
+        local_irq_restore(flags);
+}
+#undef NR_LOOPS
+#endif
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index b45a7093ca2d..1f467d534642 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -38,7 +38,6 @@ int __weak rtc_mips_set_time(unsigned long sec)
 {
        return 0;
 }
-EXPORT_SYMBOL(rtc_mips_set_time);
 int __weak rtc_mips_set_mmss(unsigned long nowtime)
 {
@@ -50,13 +49,11 @@ int update_persistent_clock(struct timespec now)
        return rtc_mips_set_mmss(now.tv_sec);
 }
-int null_perf_irq(void)
+static int null_perf_irq(void)
 {
        return 0;
 }
-EXPORT_SYMBOL(null_perf_irq);
 int (*perf_irq)(void) = null_perf_irq;
 EXPORT_SYMBOL(perf_irq);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 984c0d0a7b4d..cb8b0e2c7954 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/bootmem.h>
 #include <linux/interrupt.h>
+#include <linux/ptrace.h>
 #include <asm/bootinfo.h>
 #include <asm/branch.h>
@@ -80,19 +81,22 @@ void (*board_bind_eic_interrupt)(int irq, int regset);
 static void show_raw_backtrace(unsigned long reg29)
 {
-        unsigned long *sp = (unsigned long *)reg29;
+        unsigned long *sp = (unsigned long *)(reg29 & ~3);
        unsigned long addr;
        printk("Call Trace:");
 #ifdef CONFIG_KALLSYMS
        printk("\n");
 #endif
-        while (!kstack_end(sp)) {
+#define IS_KVA01(a) ((((unsigned int)a) & 0xc0000000) == 0x80000000)
-                addr = *sp++;
+        if (IS_KVA01(sp)) {
-                if (__kernel_text_address(addr))
+                while (!kstack_end(sp)) {
-                        print_ip_sym(addr);
+                        addr = *sp++;
+                        if (__kernel_text_address(addr))
+                                print_ip_sym(addr);
+                }
+                printk("\n");
        }
-        printk("\n");
 }
 #ifdef CONFIG_KALLSYMS
@@ -192,16 +196,19 @@ EXPORT_SYMBOL(dump_stack);
 static void show_code(unsigned int __user *pc)
 {
        long i;
+        unsigned short __user *pc16 = NULL;
        printk("\nCode:");
+        if ((unsigned long)pc & 1)
+                pc16 = (unsigned short __user *)((unsigned long)pc & ~1);
        for(i = -3 ; i < 6 ; i++) {
                unsigned int insn;
-                if (__get_user(insn, pc + i)) {
+                if (pc16 ? __get_user(insn, pc16 + i) : __get_user(insn, pc + i)) {
                        printk(" (Bad address in epc)\n");
                        break;
                }
-                printk("%c%08x%c", (i?' ':'<'), insn, (i?' ':'>'));
+                printk("%c%0*x%c", (i?' ':'<'), pc16 ? 4 : 8, insn, (i?' ':'>'));
        }
 }
@@ -311,10 +318,21 @@ void show_regs(struct pt_regs *regs)
 void show_registers(const struct pt_regs *regs)
 {
+        const int field = 2 * sizeof(unsigned long);
        __show_regs(regs);
        print_modules();
-        printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n",
+        printk("Process %s (pid: %d, threadinfo=%p, task=%p, tls=%0*lx)\n",
-                current->comm, task_pid_nr(current), current_thread_info(), current);
+               current->comm, current->pid, current_thread_info(), current,
+              field, current_thread_info()->tp_value);
+        if (cpu_has_userlocal) {
+                unsigned long tls;
+                tls = read_c0_userlocal();
+                if (tls != current_thread_info()->tp_value)
+                        printk("*HwTLS: %0*lx\n", field, tls);
+        }
        show_stacktrace(current, regs);
        show_code((unsigned int __user *) regs->cp0_epc);
        printk("\n");
@@ -657,35 +675,24 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31)
        force_sig_info(SIGFPE, &info, current);
 }
-asmlinkage void do_bp(struct pt_regs *regs)
+static void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
+        const char *str)
 {
-        unsigned int opcode, bcode;
        siginfo_t info;
+        char b[40];
-        if (__get_user(opcode, (unsigned int __user *) exception_epc(regs)))
-                goto out_sigsegv;
-        /*
-         * There is the ancient bug in the MIPS assemblers that the break
-         * code starts left to bit 16 instead to bit 6 in the opcode.
-         * Gas is bug-compatible, but not always, grrr...
-         * We handle both cases with a simple heuristics.  --macro
-         */
-        bcode = ((opcode >> 6) & ((1 << 20) - 1));
-        if (bcode < (1 << 10))
-                bcode <<= 10;
        /*
-         * (A short test says that IRIX 5.3 sends SIGTRAP for all break
+         * A short test says that IRIX 5.3 sends SIGTRAP for all trap
-         * insns, even for break codes that indicate arithmetic failures.
+         * insns, even for trap and break codes that indicate arithmetic
-         * Weird ...)
+         * failures.  Weird ...
         * But should we continue the brokenness???  --macro
         */
-        switch (bcode) {
+        switch (code) {
-        case BRK_OVERFLOW << 10:
+        case BRK_OVERFLOW:
-        case BRK_DIVZERO << 10:
+        case BRK_DIVZERO:
-                die_if_kernel("Break instruction in kernel code", regs);
+                scnprintf(b, sizeof(b), "%s instruction in kernel code", str);
-                if (bcode == (BRK_DIVZERO << 10))
+                die_if_kernel(b, regs);
+                if (code == BRK_DIVZERO)
                        info.si_code = FPE_INTDIV;
                else
                        info.si_code = FPE_INTOVF;
@@ -695,12 +702,34 @@ asmlinkage void do_bp(struct pt_regs *regs)
                force_sig_info(SIGFPE, &info, current);
                break;
        case BRK_BUG:
-                die("Kernel bug detected", regs);
+                die_if_kernel("Kernel bug detected", regs);
+                force_sig(SIGTRAP, current);
                break;
        default:
-                die_if_kernel("Break instruction in kernel code", regs);
+                scnprintf(b, sizeof(b), "%s instruction in kernel code", str);
+                die_if_kernel(b, regs);
                force_sig(SIGTRAP, current);
        }
+}
+asmlinkage void do_bp(struct pt_regs *regs)
+{
+        unsigned int opcode, bcode;
+        if (__get_user(opcode, (unsigned int __user *) exception_epc(regs)))
+                goto out_sigsegv;
+        /*
+         * There is the ancient bug in the MIPS assemblers that the break
+         * code starts left to bit 16 instead to bit 6 in the opcode.
+         * Gas is bug-compatible, but not always, grrr...
+         * We handle both cases with a simple heuristics.  --macro
+         */
+        bcode = ((opcode >> 6) & ((1 << 20) - 1));
+        if (bcode >= (1 << 10))
+                bcode >>= 10;
+        do_trap_or_bp(regs, bcode, "Break");
        return;
 out_sigsegv:
@@ -710,7 +739,6 @@ out_sigsegv:
 asmlinkage void do_tr(struct pt_regs *regs)
 {
        unsigned int opcode, tcode = 0;
-        siginfo_t info;
        if (__get_user(opcode, (unsigned int __user *) exception_epc(regs)))
                goto out_sigsegv;
@@ -719,32 +747,7 @@ asmlinkage void do_tr(struct pt_regs *regs)
        if (!(opcode & OPCODE))
                tcode = ((opcode >> 6) & ((1 << 10) - 1));
-        /*
+        do_trap_or_bp(regs, tcode, "Trap");
-         * (A short test says that IRIX 5.3 sends SIGTRAP for all trap
-         * insns, even for trap codes that indicate arithmetic failures.
-         * Weird ...)
-         * But should we continue the brokenness???  --macro
-         */
-        switch (tcode) {
-        case BRK_OVERFLOW:
-        case BRK_DIVZERO:
-                die_if_kernel("Trap instruction in kernel code", regs);
-                if (tcode == BRK_DIVZERO)
-                        info.si_code = FPE_INTDIV;
-                else
-                        info.si_code = FPE_INTOVF;
-                info.si_signo = SIGFPE;
-                info.si_errno = 0;
-                info.si_addr = (void __user *) regs->cp0_epc;
-                force_sig_info(SIGFPE, &info, current);
-                break;
-        case BRK_BUG:
-                die("Kernel bug detected", regs);
-                break;
-        default:
-                die_if_kernel("Trap instruction in kernel code", regs);
-                force_sig(SIGTRAP, current);
-        }
        return;
 out_sigsegv:
@@ -985,6 +988,21 @@ asmlinkage void do_reserved(struct pt_regs *regs)
              (regs->cp0_cause & 0x7f) >> 2);
 }
+static int __initdata l1parity = 1;
+static int __init nol1parity(char *s)
+{
+        l1parity = 0;
+        return 1;
+}
+__setup("nol1par", nol1parity);
+static int __initdata l2parity = 1;
+static int __init nol2parity(char *s)
+{
+        l2parity = 0;
+        return 1;
+}
+__setup("nol2par", nol2parity);
 /*
 * Some MIPS CPUs can enable/disable for cache parity detection, but do
 * it different ways.
@@ -994,6 +1012,62 @@ static inline void parity_protection_init(void)
        switch (current_cpu_type()) {
        case CPU_24K:
        case CPU_34K:
+        case CPU_74K:
+        case CPU_1004K:
+                {
+#define ERRCTL_PE       0x80000000
+#define ERRCTL_L2P      0x00800000
+                        unsigned long errctl;
+                        unsigned int l1parity_present, l2parity_present;
+                        errctl = read_c0_ecc();
+                        errctl &= ~(ERRCTL_PE|ERRCTL_L2P);
+                        /* probe L1 parity support */
+                        write_c0_ecc(errctl | ERRCTL_PE);
+                        back_to_back_c0_hazard();
+                        l1parity_present = (read_c0_ecc() & ERRCTL_PE);
+                        /* probe L2 parity support */
+                        write_c0_ecc(errctl|ERRCTL_L2P);
+                        back_to_back_c0_hazard();
+                        l2parity_present = (read_c0_ecc() & ERRCTL_L2P);
+                        if (l1parity_present && l2parity_present) {
+                                if (l1parity)
+                                        errctl |= ERRCTL_PE;
+                                if (l1parity ^ l2parity)
+                                        errctl |= ERRCTL_L2P;
+                        } else if (l1parity_present) {
+                                if (l1parity)
+                                        errctl |= ERRCTL_PE;
+                        } else if (l2parity_present) {
+                                if (l2parity)
+                                        errctl |= ERRCTL_L2P;
+                        } else {
+                                /* No parity available */
+                        }
+                        printk(KERN_INFO "Writing ErrCtl register=%08lx\n", errctl);
+                        write_c0_ecc(errctl);
+                        back_to_back_c0_hazard();
+                        errctl = read_c0_ecc();
+                        printk(KERN_INFO "Readback ErrCtl register=%08lx\n", errctl);
+                        if (l1parity_present)
+                                printk(KERN_INFO "Cache parity protection %sabled\n",
+                                       (errctl & ERRCTL_PE) ? "en" : "dis");
+                        if (l2parity_present) {
+                                if (l1parity_present && l1parity)
+                                        errctl ^= ERRCTL_L2P;
+                                printk(KERN_INFO "L2 cache parity protection %sabled\n",
+                                       (errctl & ERRCTL_L2P) ? "en" : "dis");
+                        }
+                }
+                break;
        case CPU_5KC:
                write_c0_ecc(0x80000000);
                back_to_back_c0_hazard();
@@ -1306,6 +1380,17 @@ int cp0_compare_irq;
 int cp0_perfcount_irq;
 EXPORT_SYMBOL_GPL(cp0_perfcount_irq);
+static int __cpuinitdata noulri;
+static int __init ulri_disable(char *s)
+{
+        pr_info("Disabling ulri\n");
+        noulri = 1;
+        return 1;
+}
+__setup("noulri", ulri_disable);
 void __cpuinit per_cpu_trap_init(void)
 {
        unsigned int cpu = smp_processor_id();
@@ -1342,16 +1427,14 @@ void __cpuinit per_cpu_trap_init(void)
        change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
                         status_set);
-#ifdef CONFIG_CPU_MIPSR2
        if (cpu_has_mips_r2) {
                unsigned int enable = 0x0000000f;
-                if (cpu_has_userlocal)
+                if (!noulri && cpu_has_userlocal)
                        enable |= (1 << 29);
                write_c0_hwrena(enable);
        }
-#endif
 #ifdef CONFIG_MIPS_MT_SMTC
        if (!secondaryTC) {
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 8977eb585a37..762786538449 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -46,7 +46,7 @@
 #define DPDNORMX        DPDNORMx(xm, xe)
 #define DPDNORMY        DPDNORMx(ym, ye)
-static __inline ieee754dp builddp(int s, int bx, u64 m)
+static inline ieee754dp builddp(int s, int bx, u64 m)
 {
        ieee754dp r;
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 9917c1e4d947..d9e3586b5bce 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -51,7 +51,7 @@
 #define SPDNORMX        SPDNORMx(xm, xe)
 #define SPDNORMY        SPDNORMx(ym, ye)
-static __inline ieee754sp buildsp(int s, int bx, unsigned m)
+static inline ieee754sp buildsp(int s, int bx, unsigned m)
 {
        ieee754sp r;
diff --git a/arch/mips/mips-boards/generic/Makefile b/arch/mips/mips-boards/generic/Makefile
index b31d8dfed1be..f7f87fc09d1e 100644
--- a/arch/mips/mips-boards/generic/Makefile
+++ b/arch/mips/mips-boards/generic/Makefile
@@ -20,6 +20,7 @@
 obj-y                           := reset.o display.o init.o memory.o \
                                   cmdline.o time.o
+obj-y                           += amon.o
 obj-$(CONFIG_EARLY_PRINTK)      += console.o
 obj-$(CONFIG_PCI)               += pci.o
diff --git a/arch/mips/mips-boards/generic/amon.c b/arch/mips/mips-boards/generic/amon.c
new file mode 100644
index 000000000000..b7633fda4180
--- /dev/null
+++ b/arch/mips/mips-boards/generic/amon.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2007  MIPS Technologies, Inc.
+ *      All rights reserved.
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Arbitrary Monitor interface
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <asm-mips/addrspace.h>
+#include <asm-mips/mips-boards/launch.h>
+#include <asm-mips/mipsmtregs.h>
+int amon_cpu_avail(int cpu)
+{
+        struct cpulaunch *launch = (struct cpulaunch *)KSEG0ADDR(CPULAUNCH);
+        if (cpu < 0 || cpu >= NCPULAUNCH) {
+                pr_debug("avail: cpu%d is out of range\n", cpu);
+                return 0;
+        }
+        launch += cpu;
+        if (!(launch->flags & LAUNCH_FREADY)) {
+                pr_debug("avail: cpu%d is not ready\n", cpu);
+                return 0;
+        }
+        if (launch->flags & (LAUNCH_FGO|LAUNCH_FGONE)) {
+                pr_debug("avail: too late.. cpu%d is already gone\n", cpu);
+                return 0;
+        }
+        return 1;
+}
+void amon_cpu_start(int cpu,
+                    unsigned long pc, unsigned long sp,
+                    unsigned long gp, unsigned long a0)
+{
+        volatile struct cpulaunch *launch =
+                (struct cpulaunch  *)KSEG0ADDR(CPULAUNCH);
+        if (!amon_cpu_avail(cpu))
+                return;
+        if (cpu == smp_processor_id()) {
+                pr_debug("launch: I am cpu%d!\n", cpu);
+                return;
+        }
+        launch += cpu;
+        pr_debug("launch: starting cpu%d\n", cpu);
+        launch->pc = pc;
+        launch->gp = gp;
+        launch->sp = sp;
+        launch->a0 = a0;
+        /* Make sure target sees parameters before the go bit */
+        smp_mb();
+        launch->flags |= LAUNCH_FGO;
+        while ((launch->flags & LAUNCH_FGONE) == 0)
+                ;
+        pr_debug("launch: cpu%d gone!\n", cpu);
+}
diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c
index 1695dca5506b..83b9dc739203 100644
--- a/arch/mips/mips-boards/generic/init.c
+++ b/arch/mips/mips-boards/generic/init.c
@@ -226,7 +226,7 @@ void __init kgdb_config(void)
 }
 #endif
-void __init mips_nmi_setup(void)
+static void __init mips_nmi_setup(void)
 {
        void *base;
        extern char except_vec_nmi;
@@ -238,7 +238,7 @@ void __init mips_nmi_setup(void)
        flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
 }
-void __init mips_ejtag_setup(void)
+static void __init mips_ejtag_setup(void)
 {
        void *base;
        extern char except_vec_ejtag_debug;
@@ -295,15 +295,21 @@ void __init prom_init(void)
                        break;
                case MIPS_REVISION_CORID_CORE_MSC:
                case MIPS_REVISION_CORID_CORE_FPGA2:
-                case MIPS_REVISION_CORID_CORE_FPGA3:
-                case MIPS_REVISION_CORID_CORE_FPGA4:
                case MIPS_REVISION_CORID_CORE_24K:
-                case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+                        /*
+                         * SOCit/ROCit support is essentially identical
+                         * but make an attempt to distinguish them
+                         */
                        mips_revision_sconid = MIPS_REVISION_SCON_SOCIT;
                        break;
+                case MIPS_REVISION_CORID_CORE_FPGA3:
+                case MIPS_REVISION_CORID_CORE_FPGA4:
+                case MIPS_REVISION_CORID_CORE_FPGA5:
+                case MIPS_REVISION_CORID_CORE_EMUL_MSC:
                default:
-                        mips_display_message("CC Error");
+                        /* See above */
-                        while (1);   /* We die here... */
+                        mips_revision_sconid = MIPS_REVISION_SCON_ROCIT;
+                        break;
                }
        }
@@ -418,6 +424,9 @@ void __init prom_init(void)
 #ifdef CONFIG_SERIAL_8250_CONSOLE
        console_config();
 #endif
+#ifdef CONFIG_MIPS_CMP
+        register_smp_ops(&cmp_smp_ops);
+#endif
 #ifdef CONFIG_MIPS_MT_SMP
        register_smp_ops(&vsmp_smp_ops);
 #endif
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
index dc272c188233..5e443bba5662 100644
--- a/arch/mips/mips-boards/generic/memory.c
+++ b/arch/mips/mips-boards/generic/memory.c
@@ -37,7 +37,7 @@ enum yamon_memtypes {
        yamon_prom,
        yamon_free,
 };
-struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
+static struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
 #ifdef DEBUG
 static char *mtypes[3] = {
@@ -50,7 +50,7 @@ static char *mtypes[3] = {
 /* determined physical memory size, not overridden by command line args  */
 unsigned long physical_memsize = 0L;
-struct prom_pmemblock * __init prom_getmdesc(void)
+static struct prom_pmemblock * __init prom_getmdesc(void)
 {
        char *memsize_str;
        unsigned int memsize;
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index b50e0fc406ac..008fd82b5840 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -55,16 +55,36 @@
 unsigned long cpu_khz;
 static int mips_cpu_timer_irq;
+static int mips_cpu_perf_irq;
 extern int cp0_perfcount_irq;
+DEFINE_PER_CPU(unsigned int, tickcount);
+#define tickcount_this_cpu __get_cpu_var(tickcount)
+static unsigned long ledbitmask;
 static void mips_timer_dispatch(void)
 {
+#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_ATLAS)
+        /*
+         * Yes, this is very tacky, won't work as expected with SMTC and
+         * dyntick will break it,
+         * but it gives me a nice warm feeling during debug
+         */
+#define LEDBAR 0xbf000408
+        if (tickcount_this_cpu++ >= HZ) {
+                tickcount_this_cpu = 0;
+                change_bit(smp_processor_id(), &ledbitmask);
+                smp_wmb(); /* Make sure every one else sees the change */
+                /* This will pick up any recent changes made by other CPU's */
+                *(unsigned int *)LEDBAR = ledbitmask;
+        }
+#endif
        do_IRQ(mips_cpu_timer_irq);
 }
 static void mips_perf_dispatch(void)
 {
-        do_IRQ(cp0_perfcount_irq);
+        do_IRQ(mips_cpu_perf_irq);
 }
 /*
@@ -127,21 +147,20 @@ unsigned long read_persistent_clock(void)
        return mc146818_get_cmos_time();
 }
-void __init plat_perf_setup(void)
+static void __init plat_perf_setup(void)
 {
-        cp0_perfcount_irq = -1;
 #ifdef MSC01E_INT_BASE
        if (cpu_has_veic) {
                set_vi_handler(MSC01E_INT_PERFCTR, mips_perf_dispatch);
-                cp0_perfcount_irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR;
+                mips_cpu_perf_irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR;
        } else
 #endif
        if (cp0_perfcount_irq >= 0) {
                if (cpu_has_vint)
                        set_vi_handler(cp0_perfcount_irq, mips_perf_dispatch);
+                mips_cpu_perf_irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
 #ifdef CONFIG_SMP
-                set_irq_handler(cp0_perfcount_irq, handle_percpu_irq);
+                set_irq_handler(mips_cpu_perf_irq, handle_percpu_irq);
 #endif
        }
 }
diff --git a/arch/mips/mips-boards/malta/Makefile b/arch/mips/mips-boards/malta/Makefile
index 931ca4600a63..8dc6e2ac4c03 100644
--- a/arch/mips/mips-boards/malta/Makefile
+++ b/arch/mips/mips-boards/malta/Makefile
@@ -22,6 +22,7 @@
 obj-y := malta_int.o malta_platform.o malta_setup.o
 obj-$(CONFIG_MTD) += malta_mtd.o
+# FIXME FIXME FIXME
 obj-$(CONFIG_MIPS_MT_SMTC) += malta_smtc.o
 EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index dbe60eb55e29..8c495104b321 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -31,6 +31,7 @@
 #include <linux/kernel.h>
 #include <linux/random.h>
+#include <asm/traps.h>
 #include <asm/i8259.h>
 #include <asm/irq_cpu.h>
 #include <asm/irq_regs.h>
@@ -41,6 +42,14 @@
 #include <asm/mips-boards/generic.h>
 #include <asm/mips-boards/msc01_pci.h>
 #include <asm/msc01_ic.h>
+#include <asm/gic.h>
+#include <asm/gcmpregs.h>
+int gcmp_present = -1;
+int gic_present;
+static unsigned long _msc01_biu_base;
+static unsigned long _gcmp_base;
+static unsigned int ipi_map[NR_CPUS];
 static DEFINE_SPINLOCK(mips_irq_lock);
@@ -121,6 +130,17 @@ static void malta_hw0_irqdispatch(void)
        do_IRQ(MALTA_INT_BASE + irq);
 }
+static void malta_ipi_irqdispatch(void)
+{
+        int irq;
+        irq = gic_get_int();
+        if (irq < 0)
+                return;  /* interrupt has already been cleared */
+        do_IRQ(MIPS_GIC_IRQ_BASE + irq);
+}
 static void corehi_irqdispatch(void)
 {
        unsigned int intedge, intsteer, pcicmd, pcibadaddr;
@@ -257,12 +277,61 @@ asmlinkage void plat_irq_dispatch(void)
        if (irq == MIPSCPU_INT_I8259A)
                malta_hw0_irqdispatch();
+        else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()]))
+                malta_ipi_irqdispatch();
        else if (irq >= 0)
                do_IRQ(MIPS_CPU_IRQ_BASE + irq);
        else
                spurious_interrupt();
 }
+#ifdef CONFIG_MIPS_MT_SMP
+#define GIC_MIPS_CPU_IPI_RESCHED_IRQ    3
+#define GIC_MIPS_CPU_IPI_CALL_IRQ       4
+#define MIPS_CPU_IPI_RESCHED_IRQ 0      /* SW int 0 for resched */
+#define C_RESCHED C_SW0
+#define MIPS_CPU_IPI_CALL_IRQ 1         /* SW int 1 for resched */
+#define C_CALL C_SW1
+static int cpu_ipi_resched_irq, cpu_ipi_call_irq;
+static void ipi_resched_dispatch(void)
+{
+        do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ);
+}
+static void ipi_call_dispatch(void)
+{
+        do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ);
+}
+static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
+{
+        return IRQ_HANDLED;
+}
+static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
+{
+        smp_call_function_interrupt();
+        return IRQ_HANDLED;
+}
+static struct irqaction irq_resched = {
+        .handler        = ipi_resched_interrupt,
+        .flags          = IRQF_DISABLED|IRQF_PERCPU,
+        .name           = "IPI_resched"
+};
+static struct irqaction irq_call = {
+        .handler        = ipi_call_interrupt,
+        .flags          = IRQF_DISABLED|IRQF_PERCPU,
+        .name           = "IPI_call"
+};
+#endif /* CONFIG_MIPS_MT_SMP */
 static struct irqaction i8259irq = {
        .handler = no_action,
        .name = "XT-PIC cascade"
@@ -273,13 +342,13 @@ static struct irqaction corehi_irqaction = {
        .name = "CoreHi"
 };
-msc_irqmap_t __initdata msc_irqmap[] = {
+static msc_irqmap_t __initdata msc_irqmap[] = {
        {MSC01C_INT_TMR,                MSC01_IRQ_EDGE, 0},
        {MSC01C_INT_PCI,                MSC01_IRQ_LEVEL, 0},
 };
-int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
+static int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
-msc_irqmap_t __initdata msc_eicirqmap[] = {
+static msc_irqmap_t __initdata msc_eicirqmap[] = {
        {MSC01E_INT_SW0,                MSC01_IRQ_LEVEL, 0},
        {MSC01E_INT_SW1,                MSC01_IRQ_LEVEL, 0},
        {MSC01E_INT_I8259A,             MSC01_IRQ_LEVEL, 0},
@@ -291,15 +360,90 @@ msc_irqmap_t __initdata msc_eicirqmap[] = {
        {MSC01E_INT_PERFCTR,            MSC01_IRQ_LEVEL, 0},
        {MSC01E_INT_CPUCTR,             MSC01_IRQ_LEVEL, 0}
 };
-int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
+static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
+/*
+ * This GIC specific tabular array defines the association between External
+ * Interrupts and CPUs/Core Interrupts. The nature of the External
+ * Interrupts is also defined here - polarity/trigger.
+ */
+static struct gic_intr_map gic_intr_map[] = {
+        { GIC_EXT_INTR(0),      X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(1),      X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(2),      X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(3),      0,      GIC_CPU_INT0,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(4),      0,      GIC_CPU_INT1,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(5),      0,      GIC_CPU_INT2,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(6),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(7),      0,      GIC_CPU_INT4,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(8),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(9),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(10),     X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(11),     X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(12),     0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { GIC_EXT_INTR(13),     0,      GIC_MAP_TO_NMI_MSK,     GIC_POL_POS, GIC_TRIG_LEVEL,    0 },
+        { GIC_EXT_INTR(14),     0,      GIC_MAP_TO_NMI_MSK,     GIC_POL_POS, GIC_TRIG_LEVEL,    0 },
+        { GIC_EXT_INTR(15),     X,      X,              X,              X,              0 },
+        { GIC_EXT_INTR(16),     0,      GIC_CPU_INT1,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(17),     0,      GIC_CPU_INT2,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(18),     1,      GIC_CPU_INT1,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(19),     1,      GIC_CPU_INT2,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(20),     2,      GIC_CPU_INT1,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(21),     2,      GIC_CPU_INT2,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(22),     3,      GIC_CPU_INT1,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+        { GIC_EXT_INTR(23),     3,      GIC_CPU_INT2,   GIC_POL_POS, GIC_TRIG_EDGE,     1 },
+};
+/*
+ * GCMP needs to be detected before any SMP initialisation
+ */
+int __init gcmp_probe(unsigned long addr, unsigned long size)
+{
+        if (gcmp_present >= 0)
+                return gcmp_present;
+        _gcmp_base = (unsigned long) ioremap_nocache(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
+        _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ);
+        gcmp_present = (GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) == GCMP_BASE_ADDR;
+        if (gcmp_present)
+                printk(KERN_DEBUG "GCMP present\n");
+        return gcmp_present;
+}
+void __init fill_ipi_map(void)
+{
+        int i;
+        for (i = 0; i < ARRAY_SIZE(gic_intr_map); i++) {
+                if (gic_intr_map[i].ipiflag && (gic_intr_map[i].cpunum != X))
+                        ipi_map[gic_intr_map[i].cpunum] |=
+                                (1 << (gic_intr_map[i].pin + 2));
+        }
+}
 void __init arch_init_irq(void)
 {
+        int gic_present, gcmp_present;
        init_i8259_irqs();
        if (!cpu_has_veic)
                mips_cpu_irq_init();
+        gcmp_present = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
+        if (gcmp_present)  {
+                GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK;
+                gic_present = 1;
+        } else {
+                _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ);
+                gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) &
+                MSC01_SC_CFG_GICPRES_MSK) >> MSC01_SC_CFG_GICPRES_SHF;
+        }
+        if (gic_present)
+                printk(KERN_DEBUG "GIC present\n");
        switch (mips_revision_sconid) {
        case MIPS_REVISION_SCON_SOCIT:
        case MIPS_REVISION_SCON_ROCIT:
@@ -360,4 +504,206 @@ void __init arch_init_irq(void)
                setup_irq(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI,
                                                &corehi_irqaction);
        }
+#if defined(CONFIG_MIPS_MT_SMP)
+        if (gic_present) {
+                /* FIXME */
+                int i;
+                struct {
+                        unsigned int resched;
+                        unsigned int call;
+                } ipiirq[] = {
+                        {
+                                .resched = GIC_IPI_EXT_INTR_RESCHED_VPE0,
+                                .call =  GIC_IPI_EXT_INTR_CALLFNC_VPE0},
+                        {
+                                .resched = GIC_IPI_EXT_INTR_RESCHED_VPE1,
+                                .call =  GIC_IPI_EXT_INTR_CALLFNC_VPE1
+                        }, {
+                                .resched = GIC_IPI_EXT_INTR_RESCHED_VPE2,
+                                .call =  GIC_IPI_EXT_INTR_CALLFNC_VPE2
+                        }, {
+                                .resched = GIC_IPI_EXT_INTR_RESCHED_VPE3,
+                                .call =  GIC_IPI_EXT_INTR_CALLFNC_VPE3
+                        }
+                };
+#define NIPI (sizeof(ipiirq)/sizeof(ipiirq[0]))
+                fill_ipi_map();
+                gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
+                if (!gcmp_present) {
+                        /* Enable the GIC */
+                        i = REG(_msc01_biu_base, MSC01_SC_CFG);
+                        REG(_msc01_biu_base, MSC01_SC_CFG) =
+                                (i | (0x1 << MSC01_SC_CFG_GICENA_SHF));
+                        pr_debug("GIC Enabled\n");
+                }
+                /* set up ipi interrupts */
+                if (cpu_has_vint) {
+                        set_vi_handler(MIPSCPU_INT_IPI0, malta_ipi_irqdispatch);
+                        set_vi_handler(MIPSCPU_INT_IPI1, malta_ipi_irqdispatch);
+                }
+                /* Argh.. this really needs sorting out.. */
+                printk("CPU%d: status register was %08x\n", smp_processor_id(), read_c0_status());
+                write_c0_status(read_c0_status() | STATUSF_IP3 | STATUSF_IP4);
+                printk("CPU%d: status register now %08x\n", smp_processor_id(), read_c0_status());
+                write_c0_status(0x1100dc00);
+                printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status());
+                for (i = 0; i < NIPI; i++) {
+                        setup_irq(MIPS_GIC_IRQ_BASE + ipiirq[i].resched, &irq_resched);
+                        setup_irq(MIPS_GIC_IRQ_BASE + ipiirq[i].call, &irq_call);
+                        set_irq_handler(MIPS_GIC_IRQ_BASE + ipiirq[i].resched, handle_percpu_irq);
+                        set_irq_handler(MIPS_GIC_IRQ_BASE + ipiirq[i].call, handle_percpu_irq);
+                }
+        } else {
+                /* set up ipi interrupts */
+                if (cpu_has_veic) {
+                        set_vi_handler (MSC01E_INT_SW0, ipi_resched_dispatch);
+                        set_vi_handler (MSC01E_INT_SW1, ipi_call_dispatch);
+                        cpu_ipi_resched_irq = MSC01E_INT_SW0;
+                        cpu_ipi_call_irq = MSC01E_INT_SW1;
+                } else {
+                        if (cpu_has_vint) {
+                                set_vi_handler (MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
+                                set_vi_handler (MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
+                        }
+                        cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ;
+                        cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ;
+                }
+                setup_irq(cpu_ipi_resched_irq, &irq_resched);
+                setup_irq(cpu_ipi_call_irq, &irq_call);
+                set_irq_handler(cpu_ipi_resched_irq, handle_percpu_irq);
+                set_irq_handler(cpu_ipi_call_irq, handle_percpu_irq);
+        }
+#endif
+}
+void malta_be_init(void)
+{
+        if (gcmp_present) {
+                /* Could change CM error mask register */
+        }
+}
+static char *tr[8] = {
+        "mem",  "gcr",  "gic",  "mmio",
+        "0x04", "0x05", "0x06", "0x07"
+};
+static char *mcmd[32] = {
+        [0x00] = "0x00",
+        [0x01] = "Legacy Write",
+        [0x02] = "Legacy Read",
+        [0x03] = "0x03",
+        [0x04] = "0x04",
+        [0x05] = "0x05",
+        [0x06] = "0x06",
+        [0x07] = "0x07",
+        [0x08] = "Coherent Read Own",
+        [0x09] = "Coherent Read Share",
+        [0x0a] = "Coherent Read Discard",
+        [0x0b] = "Coherent Ready Share Always",
+        [0x0c] = "Coherent Upgrade",
+        [0x0d] = "Coherent Writeback",
+        [0x0e] = "0x0e",
+        [0x0f] = "0x0f",
+        [0x10] = "Coherent Copyback",
+        [0x11] = "Coherent Copyback Invalidate",
+        [0x12] = "Coherent Invalidate",
+        [0x13] = "Coherent Write Invalidate",
+        [0x14] = "Coherent Completion Sync",
+        [0x15] = "0x15",
+        [0x16] = "0x16",
+        [0x17] = "0x17",
+        [0x18] = "0x18",
+        [0x19] = "0x19",
+        [0x1a] = "0x1a",
+        [0x1b] = "0x1b",
+        [0x1c] = "0x1c",
+        [0x1d] = "0x1d",
+        [0x1e] = "0x1e",
+        [0x1f] = "0x1f"
+};
+static char *core[8] = {
+        "Invalid/OK",   "Invalid/Data",
+        "Shared/OK",    "Shared/Data",
+        "Modified/OK",  "Modified/Data",
+        "Exclusive/OK", "Exclusive/Data"
+};
+static char *causes[32] = {
+        "None", "GC_WR_ERR", "GC_RD_ERR", "COH_WR_ERR",
+        "COH_RD_ERR", "MMIO_WR_ERR", "MMIO_RD_ERR", "0x07",
+        "0x08", "0x09", "0x0a", "0x0b",
+        "0x0c", "0x0d", "0x0e", "0x0f",
+        "0x10", "0x11", "0x12", "0x13",
+        "0x14", "0x15", "0x16", "INTVN_WR_ERR",
+        "INTVN_RD_ERR", "0x19", "0x1a", "0x1b",
+        "0x1c", "0x1d", "0x1e", "0x1f"
+};
+int malta_be_handler(struct pt_regs *regs, int is_fixup)
+{
+        /* This duplicates the handling in do_be which seems wrong */
+        int retval = is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL;
+        if (gcmp_present) {
+                unsigned long cm_error = GCMPGCB(GCMEC);
+                unsigned long cm_addr = GCMPGCB(GCMEA);
+                unsigned long cm_other = GCMPGCB(GCMEO);
+                unsigned long cause, ocause;
+                char buf[256];
+                cause = (cm_error & GCMP_GCB_GMEC_ERROR_TYPE_MSK);
+                if (cause != 0) {
+                        cause >>= GCMP_GCB_GMEC_ERROR_TYPE_SHF;
+                        if (cause < 16) {
+                                unsigned long cca_bits = (cm_error >> 15) & 7;
+                                unsigned long tr_bits = (cm_error >> 12) & 7;
+                                unsigned long mcmd_bits = (cm_error >> 7) & 0x1f;
+                                unsigned long stag_bits = (cm_error >> 3) & 15;
+                                unsigned long sport_bits = (cm_error >> 0) & 7;
+                                snprintf(buf, sizeof(buf),
+                                         "CCA=%lu TR=%s MCmd=%s STag=%lu "
+                                         "SPort=%lu\n",
+                                         cca_bits, tr[tr_bits], mcmd[mcmd_bits],
+                                         stag_bits, sport_bits);
+                        } else {
+                                /* glob state & sresp together */
+                                unsigned long c3_bits = (cm_error >> 18) & 7;
+                                unsigned long c2_bits = (cm_error >> 15) & 7;
+                                unsigned long c1_bits = (cm_error >> 12) & 7;
+                                unsigned long c0_bits = (cm_error >> 9) & 7;
+                                unsigned long sc_bit = (cm_error >> 8) & 1;
+                                unsigned long mcmd_bits = (cm_error >> 3) & 0x1f;
+                                unsigned long sport_bits = (cm_error >> 0) & 7;
+                                snprintf(buf, sizeof(buf),
+                                         "C3=%s C2=%s C1=%s C0=%s SC=%s "
+                                         "MCmd=%s SPort=%lu\n",
+                                         core[c3_bits], core[c2_bits],
+                                         core[c1_bits], core[c0_bits],
+                                         sc_bit ? "True" : "False",
+                                         mcmd[mcmd_bits], sport_bits);
+                        }
+                        ocause = (cm_other & GCMP_GCB_GMEO_ERROR_2ND_MSK) >>
+                                 GCMP_GCB_GMEO_ERROR_2ND_SHF;
+                        printk("CM_ERROR=%08lx %s <%s>\n", cm_error,
+                               causes[cause], buf);
+                        printk("CM_ADDR =%08lx\n", cm_addr);
+                        printk("CM_OTHER=%08lx %s\n", cm_other, causes[ocause]);
+                        /* reprime cause register */
+                        GCMPGCB(GCMEC) = 0;
+                }
+        }
+        return retval;
 }
diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c
index 2cd8f5734b36..e7cad54936ca 100644
--- a/arch/mips/mips-boards/malta/malta_setup.c
+++ b/arch/mips/mips-boards/malta/malta_setup.c
@@ -1,7 +1,7 @@
 /*
 * Carsten Langgaard, carstenl@mips.com
 * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- * Copyright (C) Dmitri Vorobiev
+ * Copyright (C) 2008 Dmitri Vorobiev
 *
 *  This program is free software; you can distribute it and/or modify it
 *  under the terms of the GNU General Public License (Version 2) as
@@ -36,7 +36,10 @@
 #include <linux/console.h>
 #endif
-struct resource standard_io_resources[] = {
+extern void malta_be_init(void);
+extern int malta_be_handler(struct pt_regs *regs, int is_fixup);
+static struct resource standard_io_resources[] = {
        {
                .name = "dma1",
                .start = 0x00,
@@ -220,4 +223,7 @@ void __init plat_mem_setup(void)
        screen_info_setup();
 #endif
        mips_reboot_setup();
+        board_be_init = malta_be_init;
+        board_be_handler = malta_be_handler;
 }
diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c
index d49fe73426b7..7c7148ef2646 100644
--- a/arch/mips/mipssim/sim_setup.c
+++ b/arch/mips/mipssim/sim_setup.c
@@ -39,9 +39,6 @@
 static void __init serial_init(void);
 unsigned int _isbonito = 0;
-extern void __init sanitize_tlb_entries(void);
 const char *get_system_type(void)
 {
        return "MIPSsim";
@@ -55,9 +52,6 @@ void __init plat_mem_setup(void)
        pr_info("Linux started...\n");
-#ifdef CONFIG_MIPS_MT_SMP
-        sanitize_tlb_entries();
-#endif
 }
 extern struct plat_smp_ops ssmtc_smp_ops;
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index c6f832e0f41c..48731020ca0e 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -4,30 +4,29 @@
 obj-y                           += cache.o dma-default.o extable.o fault.o \
                                   init.o pgtable.o tlbex.o tlbex-fault.o \
-                                   uasm.o
+                                   uasm.o page.o
 obj-$(CONFIG_32BIT)             += ioremap.o pgtable-32.o
 obj-$(CONFIG_64BIT)             += pgtable-64.o
 obj-$(CONFIG_HIGHMEM)           += highmem.o
-obj-$(CONFIG_CPU_LOONGSON2)     += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_LOONGSON2)     += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_MIPS32)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_MIPS32)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_MIPS64)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_MIPS64)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_NEVADA)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_NEVADA)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R10000)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_R10000)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R3000)         += c-r3k.o tlb-r3k.o pg-r4k.o
+obj-$(CONFIG_CPU_R3000)         += c-r3k.o tlb-r3k.o
-obj-$(CONFIG_CPU_R4300)         += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_R4300)         += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R4X00)         += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_R4X00)         += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R5000)         += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_R5000)         += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R5432)         += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_R5432)         += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_R8000)         += c-r4k.o cex-gen.o pg-r4k.o tlb-r8k.o
+obj-$(CONFIG_CPU_R8000)         += c-r4k.o cex-gen.o tlb-r8k.o
-obj-$(CONFIG_CPU_RM7000)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_RM7000)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_RM9000)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_RM9000)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_SB1)           += c-r4k.o cerr-sb1.o cex-sb1.o pg-sb1.o \
+obj-$(CONFIG_CPU_SB1)           += c-r4k.o cerr-sb1.o cex-sb1.o tlb-r4k.o
-                                   tlb-r4k.o
+obj-$(CONFIG_CPU_TX39XX)        += c-tx39.o tlb-r3k.o
-obj-$(CONFIG_CPU_TX39XX)        += c-tx39.o pg-r4k.o tlb-r3k.o
+obj-$(CONFIG_CPU_TX49XX)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_TX49XX)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_VR41XX)        += c-r4k.o cex-gen.o tlb-r4k.o
-obj-$(CONFIG_CPU_VR41XX)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_IP22_CPU_SCACHE)   += sc-ip22.o
 obj-$(CONFIG_R5000_CPU_SCACHE)  += sc-r5k.o
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 77aefb4ebedd..643c8bcffff3 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -14,6 +14,7 @@
 #include <linux/linkage.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/bitops.h>
 #include <asm/bcache.h>
@@ -53,6 +54,12 @@ static inline void r4k_on_each_cpu(void (*func) (void *info), void *info,
        preempt_enable();
 }
+#if defined(CONFIG_MIPS_CMP)
+#define cpu_has_safe_index_cacheops 0
+#else
+#define cpu_has_safe_index_cacheops 1
+#endif
 /*
 * Must die.
 */
@@ -481,6 +488,8 @@ static inline void local_r4k_flush_cache_page(void *args)
        if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
                r4k_blast_dcache_page(addr);
+                if (exec && !cpu_icache_snoops_remote_store)
+                        r4k_blast_scache_page(addr);
        }
        if (exec) {
                if (vaddr && cpu_has_vtag_icache && mm == current->active_mm) {
@@ -583,7 +592,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
         * subset property so we have to flush the primary caches
         * explicitly
         */
-        if (size >= dcache_size) {
+        if (cpu_has_safe_index_cacheops && size >= dcache_size) {
                r4k_blast_dcache();
        } else {
                R4600_HIT_CACHEOP_WAR_IMPL;
@@ -606,7 +615,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
                return;
        }
-        if (size >= dcache_size) {
+        if (cpu_has_safe_index_cacheops && size >= dcache_size) {
                r4k_blast_dcache();
        } else {
                R4600_HIT_CACHEOP_WAR_IMPL;
@@ -968,6 +977,7 @@ static void __cpuinit probe_pcache(void)
        case CPU_24K:
        case CPU_34K:
        case CPU_74K:
+        case CPU_1004K:
                if ((read_c0_config7() & (1 << 16))) {
                        /* effectively physically indexed dcache,
                           thus no virtual aliases. */
@@ -1216,9 +1226,25 @@ void au1x00_fixup_config_od(void)
        }
 }
+static int __cpuinitdata cca = -1;
+static int __init cca_setup(char *str)
+{
+        get_option(&str, &cca);
+        return 1;
+}
+__setup("cca=", cca_setup);
 static void __cpuinit coherency_setup(void)
 {
-        change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT);
+        if (cca < 0 || cca > 7)
+                cca = read_c0_config() & CONF_CM_CMASK;
+        _page_cachable_default = cca << _CACHE_SHIFT;
+        pr_debug("Using cache attribute %d\n", cca);
+        change_c0_config(CONF_CM_CMASK, cca);
        /*
         * c0_status.cu=0 specifies that updates by the sc instruction use
@@ -1248,6 +1274,20 @@ static void __cpuinit coherency_setup(void)
        }
 }
+#if defined(CONFIG_DMA_NONCOHERENT)
+static int __cpuinitdata coherentio;
+static int __init setcoherentio(char *str)
+{
+        coherentio = 1;
+        return 1;
+}
+__setup("coherentio", setcoherentio);
+#endif
 void __cpuinit r4k_cache_init(void)
 {
        extern void build_clear_page(void);
@@ -1307,14 +1347,22 @@ void __cpuinit r4k_cache_init(void)
        flush_data_cache_page   = r4k_flush_data_cache_page;
        flush_icache_range      = r4k_flush_icache_range;
-#ifdef CONFIG_DMA_NONCOHERENT
+#if defined(CONFIG_DMA_NONCOHERENT)
-        _dma_cache_wback_inv    = r4k_dma_cache_wback_inv;
+        if (coherentio) {
-        _dma_cache_wback        = r4k_dma_cache_wback_inv;
+                _dma_cache_wback_inv    = (void *)cache_noop;
-        _dma_cache_inv          = r4k_dma_cache_inv;
+                _dma_cache_wback        = (void *)cache_noop;
+                _dma_cache_inv          = (void *)cache_noop;
+        } else {
+                _dma_cache_wback_inv    = r4k_dma_cache_wback_inv;
+                _dma_cache_wback        = r4k_dma_cache_wback_inv;
+                _dma_cache_inv          = r4k_dma_cache_inv;
+        }
 #endif
        build_clear_page();
        build_copy_page();
+#if !defined(CONFIG_MIPS_CMP)
        local_r4k___flush_cache_all(NULL);
+#endif
        coherency_setup();
 }
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index f5903679ee6a..034e8506f6ea 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -130,8 +130,28 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
        }
 }
-static char cache_panic[] __cpuinitdata =
+unsigned long _page_cachable_default;
-        "Yeee, unsupported cache architecture.";
+EXPORT_SYMBOL_GPL(_page_cachable_default);
+static inline void setup_protection_map(void)
+{
+        protection_map[0] = PAGE_NONE;
+        protection_map[1] = PAGE_READONLY;
+        protection_map[2] = PAGE_COPY;
+        protection_map[3] = PAGE_COPY;
+        protection_map[4] = PAGE_READONLY;
+        protection_map[5] = PAGE_READONLY;
+        protection_map[6] = PAGE_COPY;
+        protection_map[7] = PAGE_COPY;
+        protection_map[8] = PAGE_NONE;
+        protection_map[9] = PAGE_READONLY;
+        protection_map[10] = PAGE_SHARED;
+        protection_map[11] = PAGE_SHARED;
+        protection_map[12] = PAGE_READONLY;
+        protection_map[13] = PAGE_READONLY;
+        protection_map[14] = PAGE_SHARED;
+        protection_map[15] = PAGE_SHARED;
+}
 void __devinit cpu_cache_init(void)
 {
@@ -139,34 +159,29 @@ void __devinit cpu_cache_init(void)
                extern void __weak r3k_cache_init(void);
                r3k_cache_init();
-                return;
        }
        if (cpu_has_6k_cache) {
                extern void __weak r6k_cache_init(void);
                r6k_cache_init();
-                return;
        }
        if (cpu_has_4k_cache) {
                extern void __weak r4k_cache_init(void);
                r4k_cache_init();
-                return;
        }
        if (cpu_has_8k_cache) {
                extern void __weak r8k_cache_init(void);
                r8k_cache_init();
-                return;
        }
        if (cpu_has_tx39_cache) {
                extern void __weak tx39_cache_init(void);
                tx39_cache_init();
-                return;
        }
-        panic(cache_panic);
+        setup_protection_map();
 }
 int __weak __uncached_access(struct file *file, unsigned long addr)
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index c7aed133d11d..ecd562d2c348 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -142,7 +142,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)
 #endif
        vaddr = __fix_to_virt(FIX_CMAP_END - idx);
        pte = mk_pte(page, PAGE_KERNEL);
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
        entrylo = pte.pte_high;
 #else
        entrylo = pte_val(pte) >> 6;
@@ -221,7 +221,7 @@ void copy_user_highpage(struct page *to, struct page *from,
                copy_page(vto, vfrom);
                kunmap_atomic(vfrom, KM_USER0);
        }
-        if (((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc) ||
+        if ((!cpu_has_ic_fills_f_dc) ||
            pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
                flush_data_cache_page((unsigned long)vto);
        kunmap_atomic(vto, KM_USER1);
@@ -229,8 +229,6 @@ void copy_user_highpage(struct page *to, struct page *from,
        smp_wmb();
 }
-EXPORT_SYMBOL(copy_user_highpage);
 void copy_to_user_page(struct vm_area_struct *vma,
        struct page *page, unsigned long vaddr, void *dst, const void *src,
        unsigned long len)
@@ -249,8 +247,6 @@ void copy_to_user_page(struct vm_area_struct *vma,
                flush_cache_page(vma, vaddr, page_to_pfn(page));
 }
-EXPORT_SYMBOL(copy_to_user_page);
 void copy_from_user_page(struct vm_area_struct *vma,
        struct page *page, unsigned long vaddr, void *dst, const void *src,
        unsigned long len)
@@ -267,9 +263,6 @@ void copy_from_user_page(struct vm_area_struct *vma,
        }
 }
-EXPORT_SYMBOL(copy_from_user_page);
 #ifdef CONFIG_HIGHMEM
 unsigned long highstart_pfn, highend_pfn;
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
new file mode 100644
index 000000000000..d827d6144369
--- /dev/null
+++ b/arch/mips/mm/page.c
@@ -0,0 +1,684 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2003, 04, 05 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2007  Maciej W. Rozycki
+ * Copyright (C) 2008  Thiemo Seufer
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <asm/bugs.h>
+#include <asm/cacheops.h>
+#include <asm/inst.h>
+#include <asm/io.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/prefetch.h>
+#include <asm/system.h>
+#include <asm/bootinfo.h>
+#include <asm/mipsregs.h>
+#include <asm/mmu_context.h>
+#include <asm/cpu.h>
+#include <asm/war.h>
+#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
+#include <asm/sibyte/sb1250.h>
+#include <asm/sibyte/sb1250_regs.h>
+#include <asm/sibyte/sb1250_dma.h>
+#endif
+#include "uasm.h"
+/* Registers used in the assembled routines. */
+#define ZERO 0
+#define AT 2
+#define A0 4
+#define A1 5
+#define A2 6
+#define T0 8
+#define T1 9
+#define T2 10
+#define T3 11
+#define T9 25
+#define RA 31
+/* Handle labels (which must be positive integers). */
+enum label_id {
+        label_clear_nopref = 1,
+        label_clear_pref,
+        label_copy_nopref,
+        label_copy_pref_both,
+        label_copy_pref_store,
+};
+UASM_L_LA(_clear_nopref)
+UASM_L_LA(_clear_pref)
+UASM_L_LA(_copy_nopref)
+UASM_L_LA(_copy_pref_both)
+UASM_L_LA(_copy_pref_store)
+/* We need one branch and therefore one relocation per target label. */
+static struct uasm_label __cpuinitdata labels[5];
+static struct uasm_reloc __cpuinitdata relocs[5];
+#define cpu_is_r4600_v1_x()     ((read_c0_prid() & 0xfffffff0) == 0x00002010)
+#define cpu_is_r4600_v2_x()     ((read_c0_prid() & 0xfffffff0) == 0x00002020)
+/*
+ * Maximum sizes:
+ *
+ * R4000 128 bytes S-cache:             0x058 bytes
+ * R4600 v1.7:                          0x05c bytes
+ * R4600 v2.0:                          0x060 bytes
+ * With prefetching, 16 word strides    0x120 bytes
+ */
+static u32 clear_page_array[0x120 / 4];
+#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
+void clear_page_cpu(void *page) __attribute__((alias("clear_page_array")));
+#else
+void clear_page(void *page) __attribute__((alias("clear_page_array")));
+#endif
+EXPORT_SYMBOL(clear_page);
+/*
+ * Maximum sizes:
+ *
+ * R4000 128 bytes S-cache:             0x11c bytes
+ * R4600 v1.7:                          0x080 bytes
+ * R4600 v2.0:                          0x07c bytes
+ * With prefetching, 16 word strides    0x540 bytes
+ */
+static u32 copy_page_array[0x540 / 4];
+#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
+void
+copy_page_cpu(void *to, void *from) __attribute__((alias("copy_page_array")));
+#else
+void copy_page(void *to, void *from) __attribute__((alias("copy_page_array")));
+#endif
+EXPORT_SYMBOL(copy_page);
+static int pref_bias_clear_store __cpuinitdata;
+static int pref_bias_copy_load __cpuinitdata;
+static int pref_bias_copy_store __cpuinitdata;
+static u32 pref_src_mode __cpuinitdata;
+static u32 pref_dst_mode __cpuinitdata;
+static int clear_word_size __cpuinitdata;
+static int copy_word_size __cpuinitdata;
+static int half_clear_loop_size __cpuinitdata;
+static int half_copy_loop_size __cpuinitdata;
+static int cache_line_size __cpuinitdata;
+#define cache_line_mask() (cache_line_size - 1)
+static inline void __cpuinit
+pg_addiu(u32 **buf, unsigned int reg1, unsigned int reg2, unsigned int off)
+{
+        if (cpu_has_64bit_gp_regs && DADDI_WAR && r4k_daddiu_bug()) {
+                if (off > 0x7fff) {
+                        uasm_i_lui(buf, T9, uasm_rel_hi(off));
+                        uasm_i_addiu(buf, T9, T9, uasm_rel_lo(off));
+                } else
+                        uasm_i_addiu(buf, T9, ZERO, off);
+                uasm_i_daddu(buf, reg1, reg2, T9);
+        } else {
+                if (off > 0x7fff) {
+                        uasm_i_lui(buf, T9, uasm_rel_hi(off));
+                        uasm_i_addiu(buf, T9, T9, uasm_rel_lo(off));
+                        UASM_i_ADDU(buf, reg1, reg2, T9);
+                } else
+                        UASM_i_ADDIU(buf, reg1, reg2, off);
+        }
+}
+static void __cpuinit set_prefetch_parameters(void)
+{
+        if (cpu_has_64bit_gp_regs || cpu_has_64bit_zero_reg)
+                clear_word_size = 8;
+        else
+                clear_word_size = 4;
+        if (cpu_has_64bit_gp_regs)
+                copy_word_size = 8;
+        else
+                copy_word_size = 4;
+        /*
+         * The pref's used here are using "streaming" hints, which cause the
+         * copied data to be kicked out of the cache sooner.  A page copy often
+         * ends up copying a lot more data than is commonly used, so this seems
+         * to make sense in terms of reducing cache pollution, but I've no real
+         * performance data to back this up.
+         */
+        if (cpu_has_prefetch) {
+                /*
+                 * XXX: Most prefetch bias values in here are based on
+                 * guesswork.
+                 */
+                cache_line_size = cpu_dcache_line_size();
+                switch (current_cpu_type()) {
+                case CPU_TX49XX:
+                        /* TX49 supports only Pref_Load */
+                        pref_bias_copy_load = 256;
+                        break;
+                case CPU_RM9000:
+                        /*
+                         * As a workaround for erratum G105 which make the
+                         * PrepareForStore hint unusable we fall back to
+                         * StoreRetained on the RM9000.  Once it is known which
+                         * versions of the RM9000 we'll be able to condition-
+                         * alize this.
+                         */
+                case CPU_R10000:
+                case CPU_R12000:
+                case CPU_R14000:
+                        /*
+                         * Those values have been experimentally tuned for an
+                         * Origin 200.
+                         */
+                        pref_bias_clear_store = 512;
+                        pref_bias_copy_load = 256;
+                        pref_bias_copy_store = 256;
+                        pref_src_mode = Pref_LoadStreamed;
+                        pref_dst_mode = Pref_StoreStreamed;
+                        break;
+                case CPU_SB1:
+                case CPU_SB1A:
+                        pref_bias_clear_store = 128;
+                        pref_bias_copy_load = 128;
+                        pref_bias_copy_store = 128;
+                        /*
+                         * SB1 pass1 Pref_LoadStreamed/Pref_StoreStreamed
+                         * hints are broken.
+                         */
+                        if (current_cpu_type() == CPU_SB1 &&
+                            (current_cpu_data.processor_id & 0xff) < 0x02) {
+                                pref_src_mode = Pref_Load;
+                                pref_dst_mode = Pref_Store;
+                        } else {
+                                pref_src_mode = Pref_LoadStreamed;
+                                pref_dst_mode = Pref_StoreStreamed;
+                        }
+                        break;
+                default:
+                        pref_bias_clear_store = 128;
+                        pref_bias_copy_load = 256;
+                        pref_bias_copy_store = 128;
+                        pref_src_mode = Pref_LoadStreamed;
+                        pref_dst_mode = Pref_PrepareForStore;
+                        break;
+                }
+        } else {
+                if (cpu_has_cache_cdex_s)
+                        cache_line_size = cpu_scache_line_size();
+                else if (cpu_has_cache_cdex_p)
+                        cache_line_size = cpu_dcache_line_size();
+        }
+        /*
+         * Too much unrolling will overflow the available space in
+         * clear_space_array / copy_page_array. 8 words sounds generous,
+         * but a R4000 with 128 byte L2 line length can exceed even that.
+         */
+        half_clear_loop_size = min(8 * clear_word_size,
+                                   max(cache_line_size >> 1,
+                                       4 * clear_word_size));
+        half_copy_loop_size = min(8 * copy_word_size,
+                                  max(cache_line_size >> 1,
+                                      4 * copy_word_size));
+}
+static void __cpuinit build_clear_store(u32 **buf, int off)
+{
+        if (cpu_has_64bit_gp_regs || cpu_has_64bit_zero_reg) {
+                uasm_i_sd(buf, ZERO, off, A0);
+        } else {
+                uasm_i_sw(buf, ZERO, off, A0);
+        }
+}
+static inline void __cpuinit build_clear_pref(u32 **buf, int off)
+{
+        if (off & cache_line_mask())
+                return;
+        if (pref_bias_clear_store) {
+                uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off,
+                            A0);
+        } else if (cpu_has_cache_cdex_s) {
+                uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
+        } else if (cpu_has_cache_cdex_p) {
+                if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                }
+                if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+                        uasm_i_lw(buf, ZERO, ZERO, AT);
+                uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
+        }
+}
+void __cpuinit build_clear_page(void)
+{
+        int off;
+        u32 *buf = (u32 *)&clear_page_array;
+        struct uasm_label *l = labels;
+        struct uasm_reloc *r = relocs;
+        int i;
+        memset(labels, 0, sizeof(labels));
+        memset(relocs, 0, sizeof(relocs));
+        set_prefetch_parameters();
+        /*
+         * This algorithm makes the following assumptions:
+         *   - The prefetch bias is a multiple of 2 words.
+         *   - The prefetch bias is less than one page.
+         */
+        BUG_ON(pref_bias_clear_store % (2 * clear_word_size));
+        BUG_ON(PAGE_SIZE < pref_bias_clear_store);
+        off = PAGE_SIZE - pref_bias_clear_store;
+        if (off > 0xffff || !pref_bias_clear_store)
+                pg_addiu(&buf, A2, A0, off);
+        else
+                uasm_i_ori(&buf, A2, A0, off);
+        if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+                uasm_i_lui(&buf, AT, 0xa000);
+        off = min(8, pref_bias_clear_store / cache_line_size) *
+              cache_line_size;
+        while (off) {
+                build_clear_pref(&buf, -off);
+                off -= cache_line_size;
+        }
+        uasm_l_clear_pref(&l, buf);
+        do {
+                build_clear_pref(&buf, off);
+                build_clear_store(&buf, off);
+                off += clear_word_size;
+        } while (off < half_clear_loop_size);
+        pg_addiu(&buf, A0, A0, 2 * off);
+        off = -off;
+        do {
+                build_clear_pref(&buf, off);
+                if (off == -clear_word_size)
+                        uasm_il_bne(&buf, &r, A0, A2, label_clear_pref);
+                build_clear_store(&buf, off);
+                off += clear_word_size;
+        } while (off < 0);
+        if (pref_bias_clear_store) {
+                pg_addiu(&buf, A2, A0, pref_bias_clear_store);
+                uasm_l_clear_nopref(&l, buf);
+                off = 0;
+                do {
+                        build_clear_store(&buf, off);
+                        off += clear_word_size;
+                } while (off < half_clear_loop_size);
+                pg_addiu(&buf, A0, A0, 2 * off);
+                off = -off;
+                do {
+                        if (off == -clear_word_size)
+                                uasm_il_bne(&buf, &r, A0, A2,
+                                            label_clear_nopref);
+                        build_clear_store(&buf, off);
+                        off += clear_word_size;
+                } while (off < 0);
+        }
+        uasm_i_jr(&buf, RA);
+        uasm_i_nop(&buf);
+        BUG_ON(buf > clear_page_array + ARRAY_SIZE(clear_page_array));
+        uasm_resolve_relocs(relocs, labels);
+        pr_debug("Synthesized clear page handler (%u instructions).\n",
+                 (u32)(buf - clear_page_array));
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (buf - clear_page_array); i++)
+                pr_debug("\t.word 0x%08x\n", clear_page_array[i]);
+        pr_debug("\t.set pop\n");
+}
+static void __cpuinit build_copy_load(u32 **buf, int reg, int off)
+{
+        if (cpu_has_64bit_gp_regs) {
+                uasm_i_ld(buf, reg, off, A1);
+        } else {
+                uasm_i_lw(buf, reg, off, A1);
+        }
+}
+static void __cpuinit build_copy_store(u32 **buf, int reg, int off)
+{
+        if (cpu_has_64bit_gp_regs) {
+                uasm_i_sd(buf, reg, off, A0);
+        } else {
+                uasm_i_sw(buf, reg, off, A0);
+        }
+}
+static inline void build_copy_load_pref(u32 **buf, int off)
+{
+        if (off & cache_line_mask())
+                return;
+        if (pref_bias_copy_load)
+                uasm_i_pref(buf, pref_src_mode, pref_bias_copy_load + off, A1);
+}
+static inline void build_copy_store_pref(u32 **buf, int off)
+{
+        if (off & cache_line_mask())
+                return;
+        if (pref_bias_copy_store) {
+                uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off,
+                            A0);
+        } else if (cpu_has_cache_cdex_s) {
+                uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
+        } else if (cpu_has_cache_cdex_p) {
+                if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                        uasm_i_nop(buf);
+                }
+                if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+                        uasm_i_lw(buf, ZERO, ZERO, AT);
+                uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
+        }
+}
+void __cpuinit build_copy_page(void)
+{
+        int off;
+        u32 *buf = (u32 *)&copy_page_array;
+        struct uasm_label *l = labels;
+        struct uasm_reloc *r = relocs;
+        int i;
+        memset(labels, 0, sizeof(labels));
+        memset(relocs, 0, sizeof(relocs));
+        set_prefetch_parameters();
+        /*
+         * This algorithm makes the following assumptions:
+         *   - All prefetch biases are multiples of 8 words.
+         *   - The prefetch biases are less than one page.
+         *   - The store prefetch bias isn't greater than the load
+         *     prefetch bias.
+         */
+        BUG_ON(pref_bias_copy_load % (8 * copy_word_size));
+        BUG_ON(pref_bias_copy_store % (8 * copy_word_size));
+        BUG_ON(PAGE_SIZE < pref_bias_copy_load);
+        BUG_ON(pref_bias_copy_store > pref_bias_copy_load);
+        off = PAGE_SIZE - pref_bias_copy_load;
+        if (off > 0xffff || !pref_bias_copy_load)
+                pg_addiu(&buf, A2, A0, off);
+        else
+                uasm_i_ori(&buf, A2, A0, off);
+        if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+                uasm_i_lui(&buf, AT, 0xa000);
+        off = min(8, pref_bias_copy_load / cache_line_size) * cache_line_size;
+        while (off) {
+                build_copy_load_pref(&buf, -off);
+                off -= cache_line_size;
+        }
+        off = min(8, pref_bias_copy_store / cache_line_size) * cache_line_size;
+        while (off) {
+                build_copy_store_pref(&buf, -off);
+                off -= cache_line_size;
+        }
+        uasm_l_copy_pref_both(&l, buf);
+        do {
+                build_copy_load_pref(&buf, off);
+                build_copy_load(&buf, T0, off);
+                build_copy_load_pref(&buf, off + copy_word_size);
+                build_copy_load(&buf, T1, off + copy_word_size);
+                build_copy_load_pref(&buf, off + 2 * copy_word_size);
+                build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                build_copy_load_pref(&buf, off + 3 * copy_word_size);
+                build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                build_copy_store_pref(&buf, off);
+                build_copy_store(&buf, T0, off);
+                build_copy_store_pref(&buf, off + copy_word_size);
+                build_copy_store(&buf, T1, off + copy_word_size);
+                build_copy_store_pref(&buf, off + 2 * copy_word_size);
+                build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                build_copy_store_pref(&buf, off + 3 * copy_word_size);
+                build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                off += 4 * copy_word_size;
+        } while (off < half_copy_loop_size);
+        pg_addiu(&buf, A1, A1, 2 * off);
+        pg_addiu(&buf, A0, A0, 2 * off);
+        off = -off;
+        do {
+                build_copy_load_pref(&buf, off);
+                build_copy_load(&buf, T0, off);
+                build_copy_load_pref(&buf, off + copy_word_size);
+                build_copy_load(&buf, T1, off + copy_word_size);
+                build_copy_load_pref(&buf, off + 2 * copy_word_size);
+                build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                build_copy_load_pref(&buf, off + 3 * copy_word_size);
+                build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                build_copy_store_pref(&buf, off);
+                build_copy_store(&buf, T0, off);
+                build_copy_store_pref(&buf, off + copy_word_size);
+                build_copy_store(&buf, T1, off + copy_word_size);
+                build_copy_store_pref(&buf, off + 2 * copy_word_size);
+                build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                build_copy_store_pref(&buf, off + 3 * copy_word_size);
+                if (off == -(4 * copy_word_size))
+                        uasm_il_bne(&buf, &r, A2, A0, label_copy_pref_both);
+                build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                off += 4 * copy_word_size;
+        } while (off < 0);
+        if (pref_bias_copy_load - pref_bias_copy_store) {
+                pg_addiu(&buf, A2, A0,
+                         pref_bias_copy_load - pref_bias_copy_store);
+                uasm_l_copy_pref_store(&l, buf);
+                off = 0;
+                do {
+                        build_copy_load(&buf, T0, off);
+                        build_copy_load(&buf, T1, off + copy_word_size);
+                        build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                        build_copy_store_pref(&buf, off);
+                        build_copy_store(&buf, T0, off);
+                        build_copy_store_pref(&buf, off + copy_word_size);
+                        build_copy_store(&buf, T1, off + copy_word_size);
+                        build_copy_store_pref(&buf, off + 2 * copy_word_size);
+                        build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_store_pref(&buf, off + 3 * copy_word_size);
+                        build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                        off += 4 * copy_word_size;
+                } while (off < half_copy_loop_size);
+                pg_addiu(&buf, A1, A1, 2 * off);
+                pg_addiu(&buf, A0, A0, 2 * off);
+                off = -off;
+                do {
+                        build_copy_load(&buf, T0, off);
+                        build_copy_load(&buf, T1, off + copy_word_size);
+                        build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                        build_copy_store_pref(&buf, off);
+                        build_copy_store(&buf, T0, off);
+                        build_copy_store_pref(&buf, off + copy_word_size);
+                        build_copy_store(&buf, T1, off + copy_word_size);
+                        build_copy_store_pref(&buf, off + 2 * copy_word_size);
+                        build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_store_pref(&buf, off + 3 * copy_word_size);
+                        if (off == -(4 * copy_word_size))
+                                uasm_il_bne(&buf, &r, A2, A0,
+                                            label_copy_pref_store);
+                        build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                        off += 4 * copy_word_size;
+                } while (off < 0);
+        }
+        if (pref_bias_copy_store) {
+                pg_addiu(&buf, A2, A0, pref_bias_copy_store);
+                uasm_l_copy_nopref(&l, buf);
+                off = 0;
+                do {
+                        build_copy_load(&buf, T0, off);
+                        build_copy_load(&buf, T1, off + copy_word_size);
+                        build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                        build_copy_store(&buf, T0, off);
+                        build_copy_store(&buf, T1, off + copy_word_size);
+                        build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                        off += 4 * copy_word_size;
+                } while (off < half_copy_loop_size);
+                pg_addiu(&buf, A1, A1, 2 * off);
+                pg_addiu(&buf, A0, A0, 2 * off);
+                off = -off;
+                do {
+                        build_copy_load(&buf, T0, off);
+                        build_copy_load(&buf, T1, off + copy_word_size);
+                        build_copy_load(&buf, T2, off + 2 * copy_word_size);
+                        build_copy_load(&buf, T3, off + 3 * copy_word_size);
+                        build_copy_store(&buf, T0, off);
+                        build_copy_store(&buf, T1, off + copy_word_size);
+                        build_copy_store(&buf, T2, off + 2 * copy_word_size);
+                        if (off == -(4 * copy_word_size))
+                                uasm_il_bne(&buf, &r, A2, A0,
+                                            label_copy_nopref);
+                        build_copy_store(&buf, T3, off + 3 * copy_word_size);
+                        off += 4 * copy_word_size;
+                } while (off < 0);
+        }
+        uasm_i_jr(&buf, RA);
+        uasm_i_nop(&buf);
+        BUG_ON(buf > copy_page_array + ARRAY_SIZE(copy_page_array));
+        uasm_resolve_relocs(relocs, labels);
+        pr_debug("Synthesized copy page handler (%u instructions).\n",
+                 (u32)(buf - copy_page_array));
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (buf - copy_page_array); i++)
+                pr_debug("\t.word 0x%08x\n", copy_page_array[i]);
+        pr_debug("\t.set pop\n");
+}
+#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
+/*
+ * Pad descriptors to cacheline, since each is exclusively owned by a
+ * particular CPU.
+ */
+struct dmadscr {
+        u64 dscr_a;
+        u64 dscr_b;
+        u64 pad_a;
+        u64 pad_b;
+} ____cacheline_aligned_in_smp page_descr[DM_NUM_CHANNELS];
+void sb1_dma_init(void)
+{
+        int i;
+        for (i = 0; i < DM_NUM_CHANNELS; i++) {
+                const u64 base_val = CPHYSADDR((unsigned long)&page_descr[i]) |
+                                     V_DM_DSCR_BASE_RINGSZ(1);
+                void *base_reg = IOADDR(A_DM_REGISTER(i, R_DM_DSCR_BASE));
+                __raw_writeq(base_val, base_reg);
+                __raw_writeq(base_val | M_DM_DSCR_BASE_RESET, base_reg);
+                __raw_writeq(base_val | M_DM_DSCR_BASE_ENABL, base_reg);
+        }
+}
+void clear_page(void *page)
+{
+        u64 to_phys = CPHYSADDR((unsigned long)page);
+        unsigned int cpu = smp_processor_id();
+        /* if the page is not in KSEG0, use old way */
+        if ((long)KSEGX((unsigned long)page) != (long)CKSEG0)
+                return clear_page_cpu(page);
+        page_descr[cpu].dscr_a = to_phys | M_DM_DSCRA_ZERO_MEM |
+                                 M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT;
+        page_descr[cpu].dscr_b = V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
+        __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
+        /*
+         * Don't really want to do it this way, but there's no
+         * reliable way to delay completion detection.
+         */
+        while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)))
+                 & M_DM_DSCR_BASE_INTERRUPT))
+                ;
+        __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
+}
+void copy_page(void *to, void *from)
+{
+        u64 from_phys = CPHYSADDR((unsigned long)from);
+        u64 to_phys = CPHYSADDR((unsigned long)to);
+        unsigned int cpu = smp_processor_id();
+        /* if any page is not in KSEG0, use old way */
+        if ((long)KSEGX((unsigned long)to) != (long)CKSEG0
+            || (long)KSEGX((unsigned long)from) != (long)CKSEG0)
+                return copy_page_cpu(to, from);
+        page_descr[cpu].dscr_a = to_phys | M_DM_DSCRA_L2C_DEST |
+                                 M_DM_DSCRA_INTERRUPT;
+        page_descr[cpu].dscr_b = from_phys | V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
+        __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
+        /*
+         * Don't really want to do it this way, but there's no
+         * reliable way to delay completion detection.
+         */
+        while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)))
+                 & M_DM_DSCR_BASE_INTERRUPT))
+                ;
+        __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
+}
+#endif /* CONFIG_SIBYTE_DMA_PAGEOPS */
diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c
deleted file mode 100644
index 455dedb5b39e..000000000000
--- a/arch/mips/mm/pg-r4k.c
+++ /dev/null
@@ -1,534 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 2003, 04, 05 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2007  Maciej W. Rozycki
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/proc_fs.h>
-#include <asm/bugs.h>
-#include <asm/cacheops.h>
-#include <asm/inst.h>
-#include <asm/io.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/prefetch.h>
-#include <asm/system.h>
-#include <asm/bootinfo.h>
-#include <asm/mipsregs.h>
-#include <asm/mmu_context.h>
-#include <asm/cpu.h>
-#include <asm/war.h>
-#define half_scache_line_size() (cpu_scache_line_size() >> 1)
-#define cpu_is_r4600_v1_x()     ((read_c0_prid() & 0xfffffff0) == 0x00002010)
-#define cpu_is_r4600_v2_x()     ((read_c0_prid() & 0xfffffff0) == 0x00002020)
-/*
- * Maximum sizes:
- *
- * R4000 128 bytes S-cache:             0x58 bytes
- * R4600 v1.7:                          0x5c bytes
- * R4600 v2.0:                          0x60 bytes
- * With prefetching, 16 byte strides    0xa0 bytes
- */
-static unsigned int clear_page_array[0x130 / 4];
-void clear_page(void * page) __attribute__((alias("clear_page_array")));
-EXPORT_SYMBOL(clear_page);
-/*
- * Maximum sizes:
- *
- * R4000 128 bytes S-cache:             0x11c bytes
- * R4600 v1.7:                          0x080 bytes
- * R4600 v2.0:                          0x07c bytes
- * With prefetching, 16 byte strides    0x0b8 bytes
- */
-static unsigned int copy_page_array[0x148 / 4];
-void copy_page(void *to, void *from) __attribute__((alias("copy_page_array")));
-EXPORT_SYMBOL(copy_page);
-/*
- * This is suboptimal for 32-bit kernels; we assume that R10000 is only used
- * with 64-bit kernels.  The prefetch offsets have been experimentally tuned
- * an Origin 200.
- */
-static int pref_offset_clear __cpuinitdata = 512;
-static int pref_offset_copy  __cpuinitdata = 256;
-static unsigned int pref_src_mode __cpuinitdata;
-static unsigned int pref_dst_mode __cpuinitdata;
-static int load_offset __cpuinitdata;
-static int store_offset __cpuinitdata;
-static unsigned int __cpuinitdata *dest, *epc;
-static unsigned int instruction_pending;
-static union mips_instruction delayed_mi;
-static void __cpuinit emit_instruction(union mips_instruction mi)
-{
-        if (instruction_pending)
-                *epc++ = delayed_mi.word;
-        instruction_pending = 1;
-        delayed_mi = mi;
-}
-static inline void flush_delay_slot_or_nop(void)
-{
-        if (instruction_pending) {
-                *epc++ = delayed_mi.word;
-                instruction_pending = 0;
-                return;
-        }
-        *epc++ = 0;
-}
-static inline unsigned int *label(void)
-{
-        if (instruction_pending) {
-                *epc++ = delayed_mi.word;
-                instruction_pending = 0;
-        }
-        return epc;
-}
-static inline void build_insn_word(unsigned int word)
-{
-        union mips_instruction mi;
-        mi.word          = word;
-        emit_instruction(mi);
-}
-static inline void build_nop(void)
-{
-        build_insn_word(0);                     /* nop */
-}
-static inline void build_src_pref(int advance)
-{
-        if (!(load_offset & (cpu_dcache_line_size() - 1)) && advance) {
-                union mips_instruction mi;
-                mi.i_format.opcode     = pref_op;
-                mi.i_format.rs         = 5;             /* $a1 */
-                mi.i_format.rt         = pref_src_mode;
-                mi.i_format.simmediate = load_offset + advance;
-                emit_instruction(mi);
-        }
-}
-static inline void __build_load_reg(int reg)
-{
-        union mips_instruction mi;
-        unsigned int width;
-        if (cpu_has_64bit_gp_regs) {
-                mi.i_format.opcode     = ld_op;
-                width = 8;
-        } else {
-                mi.i_format.opcode     = lw_op;
-                width = 4;
-        }
-        mi.i_format.rs         = 5;             /* $a1 */
-        mi.i_format.rt         = reg;           /* $reg */
-        mi.i_format.simmediate = load_offset;
-        load_offset += width;
-        emit_instruction(mi);
-}
-static inline void build_load_reg(int reg)
-{
-        if (cpu_has_prefetch)
-                build_src_pref(pref_offset_copy);
-        __build_load_reg(reg);
-}
-static inline void build_dst_pref(int advance)
-{
-        if (!(store_offset & (cpu_dcache_line_size() - 1)) && advance) {
-                union mips_instruction mi;
-                mi.i_format.opcode     = pref_op;
-                mi.i_format.rs         = 4;             /* $a0 */
-                mi.i_format.rt         = pref_dst_mode;
-                mi.i_format.simmediate = store_offset + advance;
-                emit_instruction(mi);
-        }
-}
-static inline void build_cdex_s(void)
-{
-        union mips_instruction mi;
-        if ((store_offset & (cpu_scache_line_size() - 1)))
-                return;
-        mi.c_format.opcode     = cache_op;
-        mi.c_format.rs         = 4;             /* $a0 */
-        mi.c_format.c_op       = 3;             /* Create Dirty Exclusive */
-        mi.c_format.cache      = 3;             /* Secondary Data Cache */
-        mi.c_format.simmediate = store_offset;
-        emit_instruction(mi);
-}
-static inline void build_cdex_p(void)
-{
-        union mips_instruction mi;
-        if (store_offset & (cpu_dcache_line_size() - 1))
-                return;
-        if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
-                build_nop();
-                build_nop();
-                build_nop();
-                build_nop();
-        }
-        if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
-                build_insn_word(0x8c200000);    /* lw      $zero, ($at) */
-        mi.c_format.opcode     = cache_op;
-        mi.c_format.rs         = 4;             /* $a0 */
-        mi.c_format.c_op       = 3;             /* Create Dirty Exclusive */
-        mi.c_format.cache      = 1;             /* Data Cache */
-        mi.c_format.simmediate = store_offset;
-        emit_instruction(mi);
-}
-static void __cpuinit __build_store_reg(int reg)
-{
-        union mips_instruction mi;
-        unsigned int width;
-        if (cpu_has_64bit_gp_regs ||
-            (cpu_has_64bit_zero_reg && reg == 0)) {
-                mi.i_format.opcode     = sd_op;
-                width = 8;
-        } else {
-                mi.i_format.opcode     = sw_op;
-                width = 4;
-        }
-        mi.i_format.rs         = 4;             /* $a0 */
-        mi.i_format.rt         = reg;           /* $reg */
-        mi.i_format.simmediate = store_offset;
-        store_offset += width;
-        emit_instruction(mi);
-}
-static inline void build_store_reg(int reg)
-{
-        int pref_off = cpu_has_prefetch ?
-                (reg ? pref_offset_copy : pref_offset_clear) : 0;
-        if (pref_off)
-                build_dst_pref(pref_off);
-        else if (cpu_has_cache_cdex_s)
-                build_cdex_s();
-        else if (cpu_has_cache_cdex_p)
-                build_cdex_p();
-        __build_store_reg(reg);
-}
-static inline void build_addiu_rt_rs(unsigned int rt, unsigned int rs,
-                                     unsigned long offset)
-{
-        union mips_instruction mi;
-        BUG_ON(offset > 0x7fff);
-        if (cpu_has_64bit_gp_regs && DADDI_WAR && r4k_daddiu_bug()) {
-                mi.i_format.opcode     = addiu_op;
-                mi.i_format.rs         = 0;     /* $zero */
-                mi.i_format.rt         = 25;    /* $t9 */
-                mi.i_format.simmediate = offset;
-                emit_instruction(mi);
-                mi.r_format.opcode     = spec_op;
-                mi.r_format.rs         = rs;
-                mi.r_format.rt         = 25;    /* $t9 */
-                mi.r_format.rd         = rt;
-                mi.r_format.re         = 0;
-                mi.r_format.func       = daddu_op;
-        } else {
-                mi.i_format.opcode     = cpu_has_64bit_gp_regs ?
-                                         daddiu_op : addiu_op;
-                mi.i_format.rs         = rs;
-                mi.i_format.rt         = rt;
-                mi.i_format.simmediate = offset;
-        }
-        emit_instruction(mi);
-}
-static inline void build_addiu_a2_a0(unsigned long offset)
-{
-        build_addiu_rt_rs(6, 4, offset);        /* $a2, $a0, offset */
-}
-static inline void build_addiu_a2(unsigned long offset)
-{
-        build_addiu_rt_rs(6, 6, offset);        /* $a2, $a2, offset */
-}
-static inline void build_addiu_a1(unsigned long offset)
-{
-        build_addiu_rt_rs(5, 5, offset);        /* $a1, $a1, offset */
-        load_offset -= offset;
-}
-static inline void build_addiu_a0(unsigned long offset)
-{
-        build_addiu_rt_rs(4, 4, offset);        /* $a0, $a0, offset */
-        store_offset -= offset;
-}
-static inline void build_bne(unsigned int *dest)
-{
-        union mips_instruction mi;
-        mi.i_format.opcode = bne_op;
-        mi.i_format.rs     = 6;                 /* $a2 */
-        mi.i_format.rt     = 4;                 /* $a0 */
-        mi.i_format.simmediate = dest - epc - 1;
-        *epc++ = mi.word;
-        flush_delay_slot_or_nop();
-}
-static inline void build_jr_ra(void)
-{
-        union mips_instruction mi;
-        mi.r_format.opcode = spec_op;
-        mi.r_format.rs     = 31;
-        mi.r_format.rt     = 0;
-        mi.r_format.rd     = 0;
-        mi.r_format.re     = 0;
-        mi.r_format.func   = jr_op;
-        *epc++ = mi.word;
-        flush_delay_slot_or_nop();
-}
-void __cpuinit build_clear_page(void)
-{
-        unsigned int loop_start;
-        unsigned long off;
-        int i;
-        epc = (unsigned int *) &clear_page_array;
-        instruction_pending = 0;
-        store_offset = 0;
-        if (cpu_has_prefetch) {
-                switch (current_cpu_type()) {
-                case CPU_TX49XX:
-                        /* TX49 supports only Pref_Load */
-                        pref_offset_clear = 0;
-                        pref_offset_copy = 0;
-                        break;
-                case CPU_RM9000:
-                        /*
-                         * As a workaround for erratum G105 which make the
-                         * PrepareForStore hint unusable we fall back to
-                         * StoreRetained on the RM9000.  Once it is known which
-                         * versions of the RM9000 we'll be able to condition-
-                         * alize this.
-                         */
-                case CPU_R10000:
-                case CPU_R12000:
-                case CPU_R14000:
-                        pref_src_mode = Pref_LoadStreamed;
-                        pref_dst_mode = Pref_StoreStreamed;
-                        break;
-                default:
-                        pref_src_mode = Pref_LoadStreamed;
-                        pref_dst_mode = Pref_PrepareForStore;
-                        break;
-                }
-        }
-        off = PAGE_SIZE - (cpu_has_prefetch ? pref_offset_clear : 0);
-        if (off > 0x7fff) {
-                build_addiu_a2_a0(off >> 1);
-                build_addiu_a2(off >> 1);
-        } else
-                build_addiu_a2_a0(off);
-        if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
-                build_insn_word(0x3c01a000);    /* lui     $at, 0xa000  */
-dest = label();
-        do {
-                build_store_reg(0);
-                build_store_reg(0);
-                build_store_reg(0);
-                build_store_reg(0);
-        } while (store_offset < half_scache_line_size());
-        build_addiu_a0(2 * store_offset);
-        loop_start = store_offset;
-        do {
-                build_store_reg(0);
-                build_store_reg(0);
-                build_store_reg(0);
-                build_store_reg(0);
-        } while ((store_offset - loop_start) < half_scache_line_size());
-        build_bne(dest);
-        if (cpu_has_prefetch && pref_offset_clear) {
-                build_addiu_a2_a0(pref_offset_clear);
-        dest = label();
-                loop_start = store_offset;
-                do {
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                } while ((store_offset - loop_start) < half_scache_line_size());
-                build_addiu_a0(2 * store_offset);
-                loop_start = store_offset;
-                do {
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                        __build_store_reg(0);
-                } while ((store_offset - loop_start) < half_scache_line_size());
-                build_bne(dest);
-        }
-        build_jr_ra();
-        BUG_ON(epc > clear_page_array + ARRAY_SIZE(clear_page_array));
-        pr_info("Synthesized clear page handler (%u instructions).\n",
-                (unsigned int)(epc - clear_page_array));
-        pr_debug("\t.set push\n");
-        pr_debug("\t.set noreorder\n");
-        for (i = 0; i < (epc - clear_page_array); i++)
-                pr_debug("\t.word 0x%08x\n", clear_page_array[i]);
-        pr_debug("\t.set pop\n");
-}
-void __cpuinit build_copy_page(void)
-{
-        unsigned int loop_start;
-        unsigned long off;
-        int i;
-        epc = (unsigned int *) &copy_page_array;
-        store_offset = load_offset = 0;
-        instruction_pending = 0;
-        off = PAGE_SIZE - (cpu_has_prefetch ? pref_offset_copy : 0);
-        if (off > 0x7fff) {
-                build_addiu_a2_a0(off >> 1);
-                build_addiu_a2(off >> 1);
-        } else
-                build_addiu_a2_a0(off);
-        if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
-                build_insn_word(0x3c01a000);    /* lui     $at, 0xa000  */
-dest = label();
-        loop_start = store_offset;
-        do {
-                build_load_reg( 8);
-                build_load_reg( 9);
-                build_load_reg(10);
-                build_load_reg(11);
-                build_store_reg( 8);
-                build_store_reg( 9);
-                build_store_reg(10);
-                build_store_reg(11);
-        } while ((store_offset - loop_start) < half_scache_line_size());
-        build_addiu_a0(2 * store_offset);
-        build_addiu_a1(2 * load_offset);
-        loop_start = store_offset;
-        do {
-                build_load_reg( 8);
-                build_load_reg( 9);
-                build_load_reg(10);
-                build_load_reg(11);
-                build_store_reg( 8);
-                build_store_reg( 9);
-                build_store_reg(10);
-                build_store_reg(11);
-        } while ((store_offset - loop_start) < half_scache_line_size());
-        build_bne(dest);
-        if (cpu_has_prefetch && pref_offset_copy) {
-                build_addiu_a2_a0(pref_offset_copy);
-        dest = label();
-                loop_start = store_offset;
-                do {
-                        __build_load_reg( 8);
-                        __build_load_reg( 9);
-                        __build_load_reg(10);
-                        __build_load_reg(11);
-                        __build_store_reg( 8);
-                        __build_store_reg( 9);
-                        __build_store_reg(10);
-                        __build_store_reg(11);
-                } while ((store_offset - loop_start) < half_scache_line_size());
-                build_addiu_a0(2 * store_offset);
-                build_addiu_a1(2 * load_offset);
-                loop_start = store_offset;
-                do {
-                        __build_load_reg( 8);
-                        __build_load_reg( 9);
-                        __build_load_reg(10);
-                        __build_load_reg(11);
-                        __build_store_reg( 8);
-                        __build_store_reg( 9);
-                        __build_store_reg(10);
-                        __build_store_reg(11);
-                } while ((store_offset - loop_start) < half_scache_line_size());
-                build_bne(dest);
-        }
-        build_jr_ra();
-        BUG_ON(epc > copy_page_array + ARRAY_SIZE(copy_page_array));
-        pr_info("Synthesized copy page handler (%u instructions).\n",
-                (unsigned int)(epc - copy_page_array));
-        pr_debug("\t.set push\n");
-        pr_debug("\t.set noreorder\n");
-        for (i = 0; i < (epc - copy_page_array); i++)
-                pr_debug("\t.word 0x%08x\n", copy_page_array[i]);
-        pr_debug("\t.set pop\n");
-}
diff --git a/arch/mips/mm/pg-sb1.c b/arch/mips/mm/pg-sb1.c
deleted file mode 100644
index 49e289d05414..000000000000
--- a/arch/mips/mm/pg-sb1.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1997, 2001 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 2000 SiByte, Inc.
- * Copyright (C) 2005 Thiemo Seufer
- *
- * Written by Justin Carlson of SiByte, Inc.
- *         and Kip Walker of Broadcom Corp.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <asm/io.h>
-#include <asm/sibyte/sb1250.h>
-#include <asm/sibyte/sb1250_regs.h>
-#include <asm/sibyte/sb1250_dma.h>
-#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
-#define SB1_PREF_LOAD_STREAMED_HINT "0"
-#define SB1_PREF_STORE_STREAMED_HINT "1"
-#else
-#define SB1_PREF_LOAD_STREAMED_HINT "4"
-#define SB1_PREF_STORE_STREAMED_HINT "5"
-#endif
-static inline void clear_page_cpu(void *page)
-{
-        unsigned char *addr = (unsigned char *) page;
-        unsigned char *end = addr + PAGE_SIZE;
-        /*
-         * JDCXXX - This should be bottlenecked by the write buffer, but these
-         * things tend to be mildly unpredictable...should check this on the
-         * performance model
-         *
-         * We prefetch 4 lines ahead.  We're also "cheating" slightly here...
-         * since we know we're on an SB1, we force the assembler to take
-         * 64-bit operands to speed things up
-         */
-        __asm__ __volatile__(
-        "       .set    push            \n"
-        "       .set    mips4           \n"
-        "       .set    noreorder       \n"
-#ifdef CONFIG_CPU_HAS_PREFETCH
-        "       daddiu  %0, %0, 128     \n"
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ", -128(%0)  \n"
-                                             /* Prefetch the first 4 lines */
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ",  -96(%0)  \n"
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ",  -64(%0)  \n"
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ",  -32(%0)  \n"
-        "1:     sd      $0, -128(%0)    \n"  /* Throw out a cacheline of 0's */
-        "       sd      $0, -120(%0)    \n"
-        "       sd      $0, -112(%0)    \n"
-        "       sd      $0, -104(%0)    \n"
-        "       daddiu  %0, %0, 32      \n"
-        "       bnel    %0, %1, 1b      \n"
-        "        pref   " SB1_PREF_STORE_STREAMED_HINT ",  -32(%0)  \n"
-        "       daddiu  %0, %0, -128    \n"
-#endif
-        "       sd      $0, 0(%0)       \n"  /* Throw out a cacheline of 0's */
-        "1:     sd      $0, 8(%0)       \n"
-        "       sd      $0, 16(%0)      \n"
-        "       sd      $0, 24(%0)      \n"
-        "       daddiu  %0, %0, 32      \n"
-        "       bnel    %0, %1, 1b      \n"
-        "        sd     $0, 0(%0)       \n"
-        "       .set    pop             \n"
-        : "+r" (addr)
-        : "r" (end)
-        : "memory");
-}
-static inline void copy_page_cpu(void *to, void *from)
-{
-        unsigned char *src = (unsigned char *)from;
-        unsigned char *dst = (unsigned char *)to;
-        unsigned char *end = src + PAGE_SIZE;
-        /*
-         * The pref's used here are using "streaming" hints, which cause the
-         * copied data to be kicked out of the cache sooner.  A page copy often
-         * ends up copying a lot more data than is commonly used, so this seems
-         * to make sense in terms of reducing cache pollution, but I've no real
-         * performance data to back this up
-         */
-        __asm__ __volatile__(
-        "       .set    push            \n"
-        "       .set    mips4           \n"
-        "       .set    noreorder       \n"
-#ifdef CONFIG_CPU_HAS_PREFETCH
-        "       daddiu  %0, %0, 128     \n"
-        "       daddiu  %1, %1, 128     \n"
-        "       pref    " SB1_PREF_LOAD_STREAMED_HINT  ", -128(%0)\n"
-                                             /* Prefetch the first 4 lines */
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ", -128(%1)\n"
-        "       pref    " SB1_PREF_LOAD_STREAMED_HINT  ",  -96(%0)\n"
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ",  -96(%1)\n"
-        "       pref    " SB1_PREF_LOAD_STREAMED_HINT  ",  -64(%0)\n"
-        "       pref    " SB1_PREF_STORE_STREAMED_HINT ",  -64(%1)\n"
-        "       pref    " SB1_PREF_LOAD_STREAMED_HINT  ",  -32(%0)\n"
-        "1:     pref    " SB1_PREF_STORE_STREAMED_HINT ",  -32(%1)\n"
-# ifdef CONFIG_64BIT
-        "       ld      $8, -128(%0)    \n"  /* Block copy a cacheline */
-        "       ld      $9, -120(%0)    \n"
-        "       ld      $10, -112(%0)   \n"
-        "       ld      $11, -104(%0)   \n"
-        "       sd      $8, -128(%1)    \n"
-        "       sd      $9, -120(%1)    \n"
-        "       sd      $10, -112(%1)   \n"
-        "       sd      $11, -104(%1)   \n"
-# else
-        "       lw      $2, -128(%0)    \n"  /* Block copy a cacheline */
-        "       lw      $3, -124(%0)    \n"
-        "       lw      $6, -120(%0)    \n"
-        "       lw      $7, -116(%0)    \n"
-        "       lw      $8, -112(%0)    \n"
-        "       lw      $9, -108(%0)    \n"
-        "       lw      $10, -104(%0)   \n"
-        "       lw      $11, -100(%0)   \n"
-        "       sw      $2, -128(%1)    \n"
-        "       sw      $3, -124(%1)    \n"
-        "       sw      $6, -120(%1)    \n"
-        "       sw      $7, -116(%1)    \n"
-        "       sw      $8, -112(%1)    \n"
-        "       sw      $9, -108(%1)    \n"
-        "       sw      $10, -104(%1)   \n"
-        "       sw      $11, -100(%1)   \n"
-# endif
-        "       daddiu  %0, %0, 32      \n"
-        "       daddiu  %1, %1, 32      \n"
-        "       bnel    %0, %2, 1b      \n"
-        "        pref   " SB1_PREF_LOAD_STREAMED_HINT  ",  -32(%0)\n"
-        "       daddiu  %0, %0, -128    \n"
-        "       daddiu  %1, %1, -128    \n"
-#endif
-#ifdef CONFIG_64BIT
-        "       ld      $8, 0(%0)       \n"  /* Block copy a cacheline */
-        "1:     ld      $9, 8(%0)       \n"
-        "       ld      $10, 16(%0)     \n"
-        "       ld      $11, 24(%0)     \n"
-        "       sd      $8, 0(%1)       \n"
-        "       sd      $9, 8(%1)       \n"
-        "       sd      $10, 16(%1)     \n"
-        "       sd      $11, 24(%1)     \n"
-#else
-        "       lw      $2, 0(%0)       \n"  /* Block copy a cacheline */
-        "1:     lw      $3, 4(%0)       \n"
-        "       lw      $6, 8(%0)       \n"
-        "       lw      $7, 12(%0)      \n"
-        "       lw      $8, 16(%0)      \n"
-        "       lw      $9, 20(%0)      \n"
-        "       lw      $10, 24(%0)     \n"
-        "       lw      $11, 28(%0)     \n"
-        "       sw      $2, 0(%1)       \n"
-        "       sw      $3, 4(%1)       \n"
-        "       sw      $6, 8(%1)       \n"
-        "       sw      $7, 12(%1)      \n"
-        "       sw      $8, 16(%1)      \n"
-        "       sw      $9, 20(%1)      \n"
-        "       sw      $10, 24(%1)     \n"
-        "       sw      $11, 28(%1)     \n"
-#endif
-        "       daddiu  %0, %0, 32      \n"
-        "       daddiu  %1, %1, 32      \n"
-        "       bnel    %0, %2, 1b      \n"
-#ifdef CONFIG_64BIT
-        "        ld     $8, 0(%0)       \n"
-#else
-        "        lw     $2, 0(%0)       \n"
-#endif
-        "       .set    pop             \n"
-        : "+r" (src), "+r" (dst)
-        : "r" (end)
-#ifdef CONFIG_64BIT
-        : "$8", "$9", "$10", "$11", "memory");
-#else
-        : "$2", "$3", "$6", "$7", "$8", "$9", "$10", "$11", "memory");
-#endif
-}
-#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
-/*
- * Pad descriptors to cacheline, since each is exclusively owned by a
- * particular CPU.
- */
-typedef struct dmadscr_s {
-        u64 dscr_a;
-        u64 dscr_b;
-        u64 pad_a;
-        u64 pad_b;
-} dmadscr_t;
-static dmadscr_t page_descr[DM_NUM_CHANNELS]
-        __attribute__((aligned(SMP_CACHE_BYTES)));
-void sb1_dma_init(void)
-{
-        int i;
-        for (i = 0; i < DM_NUM_CHANNELS; i++) {
-                const u64 base_val = CPHYSADDR((unsigned long)&page_descr[i]) |
-                                     V_DM_DSCR_BASE_RINGSZ(1);
-                void *base_reg = IOADDR(A_DM_REGISTER(i, R_DM_DSCR_BASE));
-                __raw_writeq(base_val, base_reg);
-                __raw_writeq(base_val | M_DM_DSCR_BASE_RESET, base_reg);
-                __raw_writeq(base_val | M_DM_DSCR_BASE_ENABL, base_reg);
-        }
-}
-void clear_page(void *page)
-{
-        u64 to_phys = CPHYSADDR((unsigned long)page);
-        unsigned int cpu = smp_processor_id();
-        /* if the page is not in KSEG0, use old way */
-        if ((long)KSEGX((unsigned long)page) != (long)CKSEG0)
-                return clear_page_cpu(page);
-        page_descr[cpu].dscr_a = to_phys | M_DM_DSCRA_ZERO_MEM |
-                                 M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT;
-        page_descr[cpu].dscr_b = V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
-        __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
-        /*
-         * Don't really want to do it this way, but there's no
-         * reliable way to delay completion detection.
-         */
-        while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)))
-                 & M_DM_DSCR_BASE_INTERRUPT))
-                ;
-        __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
-}
-void copy_page(void *to, void *from)
-{
-        u64 from_phys = CPHYSADDR((unsigned long)from);
-        u64 to_phys = CPHYSADDR((unsigned long)to);
-        unsigned int cpu = smp_processor_id();
-        /* if any page is not in KSEG0, use old way */
-        if ((long)KSEGX((unsigned long)to) != (long)CKSEG0
-            || (long)KSEGX((unsigned long)from) != (long)CKSEG0)
-                return copy_page_cpu(to, from);
-        page_descr[cpu].dscr_a = to_phys | M_DM_DSCRA_L2C_DEST |
-                                 M_DM_DSCRA_INTERRUPT;
-        page_descr[cpu].dscr_b = from_phys | V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
-        __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
-        /*
-         * Don't really want to do it this way, but there's no
-         * reliable way to delay completion detection.
-         */
-        while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)))
-                 & M_DM_DSCR_BASE_INTERRUPT))
-                ;
-        __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
-}
-#else /* !CONFIG_SIBYTE_DMA_PAGEOPS */
-void clear_page(void *page)
-{
-        return clear_page_cpu(page);
-}
-void copy_page(void *to, void *from)
-{
-        return copy_page_cpu(to, from);
-}
-#endif /* !CONFIG_SIBYTE_DMA_PAGEOPS */
-EXPORT_SYMBOL(clear_page);
-EXPORT_SYMBOL(copy_page);
-void __cpuinit build_clear_page(void)
-{
-}
-void __cpuinit build_copy_page(void)
-{
-}
diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c
index 57df1c38e303..7dfa579ab24c 100644
--- a/arch/mips/mm/pgtable.c
+++ b/arch/mips/mm/pgtable.c
@@ -12,7 +12,6 @@ void show_mem(void)
        printk("Mem-info:\n");
        show_free_areas();
-        printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
        pfn = max_mapnr;
        while (pfn-- > 0) {
                if (!pfn_valid(pfn))
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 63065d6e8063..5ce2fa745626 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -299,7 +299,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
        idx = read_c0_index();
        ptep = pte_offset_map(pmdp, address);
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
        write_c0_entrylo0(ptep->pte_high);
        ptep++;
        write_c0_entrylo1(ptep->pte_high);
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 1a6f7704cc89..1655aa69e133 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -58,13 +58,13 @@ enum opcode {
        insn_invalid,
        insn_addu, insn_addiu, insn_and, insn_andi, insn_beq,
        insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl,
-        insn_bne, insn_daddu, insn_daddiu, insn_dmfc0, insn_dmtc0,
+        insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0,
-        insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32,
+        insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl,
-        insn_dsubu, insn_eret, insn_j, insn_jal, insn_jr, insn_ld,
+        insn_dsrl32, insn_dsubu, insn_eret, insn_j, insn_jal, insn_jr,
-        insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0, insn_mtc0,
+        insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0,
-        insn_ori, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll,
+        insn_mtc0, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd,
-        insn_sra, insn_srl, insn_subu, insn_sw, insn_tlbp, insn_tlbwi,
+        insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw,
-        insn_tlbwr, insn_xor, insn_xori
+        insn_tlbp, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori
 };
 struct insn {
@@ -94,6 +94,7 @@ static struct insn insn_table[] __cpuinitdata = {
        { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM },
        { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM },
        { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
+        { insn_cache,  M(cache_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },
        { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
        { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD },
        { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET},
@@ -116,6 +117,7 @@ static struct insn insn_table[] __cpuinitdata = {
        { insn_mfc0,  M(cop0_op, mfc_op, 0, 0, 0, 0),  RT | RD | SET},
        { insn_mtc0,  M(cop0_op, mtc_op, 0, 0, 0, 0),  RT | RD | SET},
        { insn_ori,  M(ori_op, 0, 0, 0, 0, 0),  RS | RT | UIMM },
+        { insn_pref,  M(pref_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },
        { insn_rfe,  M(cop0_op, cop_op, 0, 0, 0, rfe_op),  0 },
        { insn_sc,  M(sc_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },
        { insn_scd,  M(scd_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },
@@ -337,6 +339,7 @@ I_u1s2(_bgezl)
 I_u1s2(_bltz)
 I_u1s2(_bltzl)
 I_u1u2s3(_bne)
+I_u2s3u1(_cache)
 I_u1u2u3(_dmfc0)
 I_u1u2u3(_dmtc0)
 I_u2u1s3(_daddiu)
@@ -359,6 +362,7 @@ I_u2s3u1(_lw)
 I_u1u2u3(_mfc0)
 I_u1u2u3(_mtc0)
 I_u2u1u3(_ori)
+I_u2s3u1(_pref)
 I_0(_rfe)
 I_u2s3u1(_sc)
 I_u2s3u1(_scd)
@@ -555,6 +559,14 @@ uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
 }
 void __cpuinit
+uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
+        unsigned int reg2, int lid)
+{
+        uasm_r_mips_pc16(r, *p, lid);
+        uasm_i_bne(p, reg1, reg2, 0);
+}
+void __cpuinit
 uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
 {
        uasm_r_mips_pc16(r, *p, lid);
diff --git a/arch/mips/mm/uasm.h b/arch/mips/mm/uasm.h
index fe0574f6e77d..0d6a66f32030 100644
--- a/arch/mips/mm/uasm.h
+++ b/arch/mips/mm/uasm.h
@@ -55,6 +55,7 @@ Ip_u1s2(_bgezl);
 Ip_u1s2(_bltz);
 Ip_u1s2(_bltzl);
 Ip_u1u2s3(_bne);
+Ip_u2s3u1(_cache);
 Ip_u1u2u3(_dmfc0);
 Ip_u1u2u3(_dmtc0);
 Ip_u2u1s3(_daddiu);
@@ -77,6 +78,7 @@ Ip_u2s3u1(_lw);
 Ip_u1u2u3(_mfc0);
 Ip_u1u2u3(_mtc0);
 Ip_u2u1u3(_ori);
+Ip_u2s3u1(_pref);
 Ip_0(_rfe);
 Ip_u2s3u1(_sc);
 Ip_u2s3u1(_scd);
@@ -177,6 +179,8 @@ void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
 void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid);
 void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
 void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
+void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
+                 unsigned int reg2, int lid);
 void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
 void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
 void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
diff --git a/arch/mips/philips/pnx8550/common/Makefile b/arch/mips/nxp/pnx8550/common/Makefile
index 31cc1a5cec3b..31cc1a5cec3b 100644
--- a/arch/mips/philips/pnx8550/common/Makefile
+++ b/arch/mips/nxp/pnx8550/common/Makefile
diff --git a/arch/mips/philips/pnx8550/common/gdb_hook.c b/arch/mips/nxp/pnx8550/common/gdb_hook.c
index ad4624f6d9bc..ad4624f6d9bc 100644
--- a/arch/mips/philips/pnx8550/common/gdb_hook.c
+++ b/arch/mips/nxp/pnx8550/common/gdb_hook.c
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c
index aad03429a5e3..aad03429a5e3 100644
--- a/arch/mips/philips/pnx8550/common/int.c
+++ b/arch/mips/nxp/pnx8550/common/int.c
diff --git a/arch/mips/philips/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c
index eee4f3dfc410..eee4f3dfc410 100644
--- a/arch/mips/philips/pnx8550/common/pci.c
+++ b/arch/mips/nxp/pnx8550/common/pci.c
diff --git a/arch/mips/philips/pnx8550/common/platform.c b/arch/mips/nxp/pnx8550/common/platform.c
index c839436bd012..c7c763dbe588 100644
--- a/arch/mips/philips/pnx8550/common/platform.c
+++ b/arch/mips/nxp/pnx8550/common/platform.c
@@ -1,5 +1,5 @@
 /*
- * Platform device support for Philips PNX8550 SoCs
+ * Platform device support for NXP PNX8550 SoCs
 *
 * Copyright 2005, Embedded Alley Solutions, Inc
 *
diff --git a/arch/mips/philips/pnx8550/common/proc.c b/arch/mips/nxp/pnx8550/common/proc.c
index 18b125e3b65d..18b125e3b65d 100644
--- a/arch/mips/philips/pnx8550/common/proc.c
+++ b/arch/mips/nxp/pnx8550/common/proc.c
diff --git a/arch/mips/philips/pnx8550/common/prom.c b/arch/mips/nxp/pnx8550/common/prom.c
index 2f567452e7ac..2f567452e7ac 100644
--- a/arch/mips/philips/pnx8550/common/prom.c
+++ b/arch/mips/nxp/pnx8550/common/prom.c
diff --git a/arch/mips/philips/pnx8550/common/reset.c b/arch/mips/nxp/pnx8550/common/reset.c
index 7b2cbc5b2c7c..7b2cbc5b2c7c 100644
--- a/arch/mips/philips/pnx8550/common/reset.c
+++ b/arch/mips/nxp/pnx8550/common/reset.c
diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
index 92d764c97701..92d764c97701 100644
--- a/arch/mips/philips/pnx8550/common/setup.c
+++ b/arch/mips/nxp/pnx8550/common/setup.c
diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c
index 62f495b57f93..62f495b57f93 100644
--- a/arch/mips/philips/pnx8550/common/time.c
+++ b/arch/mips/nxp/pnx8550/common/time.c
diff --git a/arch/mips/philips/pnx8550/jbs/Makefile b/arch/mips/nxp/pnx8550/jbs/Makefile
index e8228dbca8f6..ad6a8ca7d8ce 100644
--- a/arch/mips/philips/pnx8550/jbs/Makefile
+++ b/arch/mips/nxp/pnx8550/jbs/Makefile
@@ -1,4 +1,4 @@
-# Makefile for the Philips JBS Board.
+# Makefile for the NXP JBS Board.
 lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/philips/pnx8550/jbs/board_setup.c b/arch/mips/nxp/pnx8550/jbs/board_setup.c
index f92826e0096d..f92826e0096d 100644
--- a/arch/mips/philips/pnx8550/jbs/board_setup.c
+++ b/arch/mips/nxp/pnx8550/jbs/board_setup.c
diff --git a/arch/mips/philips/pnx8550/jbs/init.c b/arch/mips/nxp/pnx8550/jbs/init.c
index 90b4d35f3ece..d59b4a4e5e8b 100644
--- a/arch/mips/philips/pnx8550/jbs/init.c
+++ b/arch/mips/nxp/pnx8550/jbs/init.c
@@ -40,7 +40,7 @@ extern char *prom_getenv(char *envname);
 const char *get_system_type(void)
 {
-        return "Philips PNX8550/JBS";
+        return "NXP PNX8550/JBS";
 }
 void __init prom_init(void)
diff --git a/arch/mips/philips/pnx8550/jbs/irqmap.c b/arch/mips/nxp/pnx8550/jbs/irqmap.c
index 98c3429e6e50..7fc89842002c 100644
--- a/arch/mips/philips/pnx8550/jbs/irqmap.c
+++ b/arch/mips/nxp/pnx8550/jbs/irqmap.c
@@ -1,5 +1,5 @@
 /*
- *  Philips JBS board irqmap.
+ *  NXP JBS board irqmap.
 *
 *  Copyright 2005 Embedded Alley Solutions, Inc
 *  source@embeddealley.com
@@ -33,4 +33,3 @@ char pnx8550_irq_tab[][5] __initdata = {
        [9]     = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
        [17]    = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
 };
diff --git a/arch/mips/philips/pnx8550/stb810/Makefile b/arch/mips/nxp/pnx8550/stb810/Makefile
index f14b592af398..ab91d72c5664 100644
--- a/arch/mips/philips/pnx8550/stb810/Makefile
+++ b/arch/mips/nxp/pnx8550/stb810/Makefile
@@ -1,4 +1,4 @@
-# Makefile for the Philips STB810 Board.
+# Makefile for the NXP STB810 Board.
 lib-y := prom_init.o board_setup.o irqmap.o
diff --git a/arch/mips/philips/pnx8550/stb810/board_setup.c b/arch/mips/nxp/pnx8550/stb810/board_setup.c
index 345d71e53cf2..1282c27cfcb7 100644
--- a/arch/mips/philips/pnx8550/stb810/board_setup.c
+++ b/arch/mips/nxp/pnx8550/stb810/board_setup.c
@@ -1,7 +1,7 @@
 /*
 *  STB810 specific board startup routines.
 *
- *  Based on the arch/mips/philips/pnx8550/jbs/board_setup.c
+ *  Based on the arch/mips/nxp/pnx8550/jbs/board_setup.c
 *
 *  Author: MontaVista Software, Inc.
 *          source@mvista.com
diff --git a/arch/mips/philips/pnx8550/stb810/irqmap.c b/arch/mips/nxp/pnx8550/stb810/irqmap.c
index 5ee11e19975e..8c034963ddcd 100644
--- a/arch/mips/philips/pnx8550/stb810/irqmap.c
+++ b/arch/mips/nxp/pnx8550/stb810/irqmap.c
@@ -1,5 +1,5 @@
 /*
- *  Philips STB810 board irqmap.
+ *  NXP STB810 board irqmap.
 *
 *  Author: MontaVista Software, Inc.
 *          source@mvista.com
@@ -20,4 +20,3 @@ char pnx8550_irq_tab[][5] __initdata = {
        [9]     = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
        [10]    = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
 };
diff --git a/arch/mips/philips/pnx8550/stb810/prom_init.c b/arch/mips/nxp/pnx8550/stb810/prom_init.c
index 832dd60b0a7a..ca7f4ada0640 100644
--- a/arch/mips/philips/pnx8550/stb810/prom_init.c
+++ b/arch/mips/nxp/pnx8550/stb810/prom_init.c
@@ -28,7 +28,7 @@ extern char *prom_getenv(char *envname);
 const char *get_system_type(void)
 {
-        return "Philips PNX8550/STB810";
+        return "NXP PNX8950/STB810";
 }
 void __init prom_init(void)
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index aa52aa146cea..b5f6f71b27bc 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -80,6 +80,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        case CPU_24K:
        case CPU_25KF:
        case CPU_34K:
+        case CPU_1004K:
        case CPU_74K:
        case CPU_SB1:
        case CPU_SB1A:
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index fa6b4aae7523..2bfc17c30106 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -10,7 +10,6 @@
 #ifndef OP_IMPL_H
 #define OP_IMPL_H 1
-extern int null_perf_irq(void);
 extern int (*perf_irq)(void);
 /* Per-counter configuration as set via oprofilefs.  */
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index ccbea229a0e6..da8cbb6899dc 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -31,9 +31,14 @@
 #define M_COUNTER_OVERFLOW              (1UL      << 31)
+static int (*save_perf_irq)(void);
 #ifdef CONFIG_MIPS_MT_SMP
-#define WHAT            (M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id()))
+static int cpu_has_mipsmt_pertccounters;
-#define vpe_id()        smp_processor_id()
+#define WHAT            (M_TC_EN_VPE | \
+                         M_PERFCTL_VPEID(cpu_data[smp_processor_id()].vpe_id))
+#define vpe_id()        (cpu_has_mipsmt_pertccounters ? \
+                        0 : cpu_data[smp_processor_id()].vpe_id)
 /*
 * The number of bits to shift to convert between counters per core and
@@ -243,11 +248,11 @@ static inline int __n_counters(void)
 {
        if (!(read_c0_config1() & M_CONFIG1_PC))
                return 0;
-        if (!(r_c0_perfctrl0() & M_PERFCTL_MORE))
+        if (!(read_c0_perfctrl0() & M_PERFCTL_MORE))
                return 1;
-        if (!(r_c0_perfctrl1() & M_PERFCTL_MORE))
+        if (!(read_c0_perfctrl1() & M_PERFCTL_MORE))
                return 2;
-        if (!(r_c0_perfctrl2() & M_PERFCTL_MORE))
+        if (!(read_c0_perfctrl2() & M_PERFCTL_MORE))
                return 3;
        return 4;
@@ -274,8 +279,9 @@ static inline int n_counters(void)
        return counters;
 }
-static inline void reset_counters(int counters)
+static void reset_counters(void *arg)
 {
+        int counters = (int)arg;
        switch (counters) {
        case 4:
                w_c0_perfctrl3(0);
@@ -302,9 +308,12 @@ static int __init mipsxx_init(void)
                return -ENODEV;
        }
-        reset_counters(counters);
+#ifdef CONFIG_MIPS_MT_SMP
+        cpu_has_mipsmt_pertccounters = read_c0_config7() & (1<<19);
-        counters = counters_total_to_per_cpu(counters);
+        if (!cpu_has_mipsmt_pertccounters)
+                counters = counters_total_to_per_cpu(counters);
+#endif
+        on_each_cpu(reset_counters, (void *)counters, 0, 1);
        op_model_mipsxx_ops.num_counters = counters;
        switch (current_cpu_type()) {
@@ -320,6 +329,13 @@ static int __init mipsxx_init(void)
                op_model_mipsxx_ops.cpu_type = "mips/25K";
                break;
+        case CPU_1004K:
+#if 0
+                /* FIXME: report as 34K for now */
+                op_model_mipsxx_ops.cpu_type = "mips/1004K";
+                break;
+#endif
        case CPU_34K:
                op_model_mipsxx_ops.cpu_type = "mips/34K";
                break;
@@ -355,6 +371,7 @@ static int __init mipsxx_init(void)
                return -ENODEV;
        }
+        save_perf_irq = perf_irq;
        perf_irq = mipsxx_perfcount_handler;
        return 0;
@@ -365,9 +382,9 @@ static void mipsxx_exit(void)
        int counters = op_model_mipsxx_ops.num_counters;
        counters = counters_per_cpu_to_total(counters);
-        reset_counters(counters);
+        on_each_cpu(reset_counters, (void *)counters, 0, 1);
-        perf_irq = null_perf_irq;
+        perf_irq = save_perf_irq;
 }
 struct op_mips_model op_model_mipsxx_ops = {
diff --git a/arch/mips/pci/fixup-au1000.c b/arch/mips/pci/fixup-au1000.c
index ca0276c8070a..00c36c9dbe0e 100644
--- a/arch/mips/pci/fixup-au1000.c
+++ b/arch/mips/pci/fixup-au1000.c
@@ -26,13 +26,10 @@
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
-#include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/kernel.h>
 #include <linux/init.h>
-#include <asm/mach-au1x00/au1000.h>
 extern char irq_tab_alchemy[][5];
 int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
diff --git a/arch/mips/pci/ops-pnx8550.c b/arch/mips/pci/ops-pnx8550.c
index d61064652498..0e160d9f07c3 100644
--- a/arch/mips/pci/ops-pnx8550.c
+++ b/arch/mips/pci/ops-pnx8550.c
@@ -90,14 +90,14 @@ config_access(unsigned int pci_cmd, struct pci_bus *bus, unsigned int devfn, int
                loops--;
                if (loops == 0) {
-                        printk("%s : Arbiter Locked.\n", __FUNCTION__);
+                        printk("%s : Arbiter Locked.\n", __func__);
                }
        }
        clear_status();
        if ((pci_cmd == PCI_CMD_IOR) || (pci_cmd == PCI_CMD_IOW)) {
                printk("%s timeout (GPPM_CTRL=%X) ioaddr %lX pci_cmd %X\n",
-                       __FUNCTION__, inl(PCI_BASE | PCI_GPPM_CTRL), ioaddr,
+                       __func__, inl(PCI_BASE | PCI_GPPM_CTRL), ioaddr,
                       pci_cmd);
        }
diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index 624bbdbff2a8..b6cab089561e 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -142,7 +142,7 @@ static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
        reg_c = CMOS_READ(RTC_INTR_FLAGS);
        if (!(reg_c & RTC_IRQF)) {
                printk(KERN_WARNING
-                        "%s: RTC IRQ without RTC_IRQF\n", __FUNCTION__);
+                        "%s: RTC IRQ without RTC_IRQF\n", __func__);
        }
        /* Wait until interrupt goes away */
        disable_irq(MACEISA_RTC_IRQ);
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
index 3f808b629242..6d31f2a98abf 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
@@ -173,7 +173,7 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
        { \
           char tmp[100]; \
           sprintf( tmp, str ); \
-           printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
+           printk( "%s(%s:%u)::%s", __func__, __FILE__, __LINE__, tmp ); \
        }
 #else
 #define TOSHIBA_RBTX4927_IRQ_DPRINTK(flag, str...)
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
index e466e5e711d8..2203c77b2ce2 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
@@ -93,7 +93,7 @@ static const u32 toshiba_rbtx4927_setup_debug_flag =
        { \
           char tmp[100]; \
           sprintf( tmp, str ); \
-           printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
+           printk( "%s(%s:%u)::%s", __func__, __FILE__, __LINE__, tmp ); \
        }
 #else
 #define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag, str...)
diff --git a/arch/mips/tx4938/common/dbgio.c b/arch/mips/tx4938/common/dbgio.c
index bea59ff1842a..33b9c672a322 100644
--- a/arch/mips/tx4938/common/dbgio.c
+++ b/arch/mips/tx4938/common/dbgio.c
@@ -31,9 +31,7 @@
 * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp>
 */
-#include <asm/mipsregs.h>
+#include <linux/types>
-#include <asm/system.h>
-#include <asm/tx4938/tx4938_mips.h>
 extern u8 txx9_sio_kdbg_rd(void);
 extern int txx9_sio_kdbg_wr( u8 ch );
diff --git a/arch/mips/tx4938/common/prom.c b/arch/mips/tx4938/common/prom.c
index 3189a65f7d7e..20baeaeba4cd 100644
--- a/arch/mips/tx4938/common/prom.c
+++ b/arch/mips/tx4938/common/prom.c
@@ -13,13 +13,8 @@
 */
 #include <linux/init.h>
-#include <linux/mm.h>
+#include <linux/types.h>
-#include <linux/sched.h>
+#include <linux/io.h>
-#include <linux/bootmem.h>
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/tx4938/tx4938.h>
 static unsigned int __init
 tx4938_process_sdccr(u64 * addr)
@@ -35,7 +30,7 @@ tx4938_process_sdccr(u64 * addr)
        unsigned int bc = 4;
        unsigned int msize = 0;
-        val = (*((vu64 *) (addr)));
+        val = ____raw_readq((void __iomem *)addr);
        /* MVMCP -- need #defs for these bits masks */
        sdccr_ce = ((val & (1 << 10)) >> 10);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index f00185017e80..4d6a8dc46c76 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -67,24 +67,7 @@ IRQ  Device
 63 RBTX4938-IOC/07 SWINT
 */
 #include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
 #include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/timex.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/wbflush.h>
-#include <linux/bootmem.h>
 #include <asm/tx4938/rbtx4938.h>
 static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
@@ -99,21 +82,16 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
        .unmask = toshiba_rbtx4938_irq_ioc_enable,
 };
-#define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
-#define TOSHIBA_RBTX4938_IOC_INTR_STAT 0xb7f0200a
 int
 toshiba_rbtx4938_irq_nested(int sw_irq)
 {
        u8 level3;
-        level3 = reg_rd08(TOSHIBA_RBTX4938_IOC_INTR_STAT) & 0xff;
+        level3 = readb(rbtx4938_imstat_addr);
-        if (level3) {
+        if (level3)
                /* must use fls so onboard ATA has priority */
                sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1;
-        }
-        wbflush();
        return sw_irq;
 }
@@ -144,25 +122,23 @@ toshiba_rbtx4938_irq_ioc_init(void)
 static void
 toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
 {
-        volatile unsigned char v;
+        unsigned char v;
-        v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+        v = readb(rbtx4938_imask_addr);
        v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-        TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+        writeb(v, rbtx4938_imask_addr);
        mmiowb();
-        TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
 }
 static void
 toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
 {
-        volatile unsigned char v;
+        unsigned char v;
-        v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+        v = readb(rbtx4938_imask_addr);
        v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-        TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+        writeb(v, rbtx4938_imask_addr);
        mmiowb();
-        TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
 }
 void __init arch_init_irq(void)
@@ -174,14 +150,12 @@ void __init arch_init_irq(void)
        /* all IRC interrupt mode are Low Active. */
        /* mask all IOC interrupts */
-        *rbtx4938_imask_ptr = 0;
+        writeb(0, rbtx4938_imask_addr);
        /* clear SoftInt interrupts */
-        *rbtx4938_softint_ptr = 0;
+        writeb(0, rbtx4938_softint_addr);
        tx4938_irq_init();
        toshiba_rbtx4938_irq_ioc_init();
        /* Onboard 10M Ether: High Active */
        set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
-        wbflush();
 }
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
index 61249f049cd6..3a3659e8633a 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
@@ -21,8 +21,8 @@
 #include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
-#include <asm/wbflush.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <asm/txx9tmr.h>
@@ -34,7 +34,7 @@
 #endif
 #include <linux/spi/spi.h>
 #include <asm/tx4938/spi.h>
-#include <asm/gpio.h>
+#include <asm/txx9pio.h>
 extern char * __init prom_getcmdline(void);
 static inline void tx4938_report_pcic_status1(struct tx4938_pcic_reg *pcicptr);
@@ -90,12 +90,11 @@ void rbtx4938_machine_restart(char *command)
        local_irq_disable();
        printk("Rebooting...");
-        *rbtx4938_softresetlock_ptr = 1;
+        writeb(1, rbtx4938_softresetlock_addr);
-        *rbtx4938_sfvol_ptr = 1;
+        writeb(1, rbtx4938_sfvol_addr);
-        *rbtx4938_softreset_ptr = 1;
+        writeb(1, rbtx4938_softreset_addr);
-        wbflush();
+        while(1)
+                ;
-        while(1);
 }
 void __init
@@ -487,7 +486,7 @@ static int __init tx4938_pcibios_init(void)
        }
        /* Reset PCI Bus */
-        *rbtx4938_pcireset_ptr = 0;
+        writeb(0, rbtx4938_pcireset_addr);
        /* Reset PCIC */
        tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
        if (txboard_pci66_mode > 0)
@@ -495,8 +494,8 @@ static int __init tx4938_pcibios_init(void)
        mdelay(10);
        /* clear PCIC reset */
        tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-        *rbtx4938_pcireset_ptr = 1;
+        writeb(1, rbtx4938_pcireset_addr);
-        wbflush();
+        mmiowb();
        tx4938_report_pcic_status1(tx4938_pcicptr);
        tx4938_report_pciclk();
@@ -504,15 +503,15 @@ static int __init tx4938_pcibios_init(void)
        if (txboard_pci66_mode == 0 &&
            txboard_pci66_check(&tx4938_pci_controller[0], 0, 0)) {
                /* Reset PCI Bus */
-                *rbtx4938_pcireset_ptr = 0;
+                writeb(0, rbtx4938_pcireset_addr);
                /* Reset PCIC */
                tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
                tx4938_pciclk66_setup();
                mdelay(10);
                /* clear PCIC reset */
                tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-                *rbtx4938_pcireset_ptr = 1;
+                writeb(1, rbtx4938_pcireset_addr);
-                wbflush();
+                mmiowb();
                /* Reinitialize PCIC */
                tx4938_report_pciclk();
                tx4938_pcic_setup(tx4938_pcicptr, &tx4938_pci_controller[0], io_base[0], extarb);
@@ -615,9 +614,6 @@ static void __init rbtx4938_spi_setup(void)
 {
        /* set SPI_SEL */
        tx4938_ccfgptr->pcfg |= TX4938_PCFG_SPI_SEL;
-        /* chip selects for SPI devices */
-        tx4938_pioptr->dout |= (1 << SEEPROM1_CS);
-        tx4938_pioptr->dir |= (1 << SEEPROM1_CS);
 }
 static struct resource rbtx4938_fpga_resource;
@@ -776,12 +772,13 @@ void __init tx4938_board_setup(void)
                txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL);
        /* enable DMA */
-        TX4938_WR64(0xff1fb150, TX4938_DMA_MCR_MSTEN);
+        for (i = 0; i < 2; i++)
-        TX4938_WR64(0xff1fb950, TX4938_DMA_MCR_MSTEN);
+                ____raw_writeq(TX4938_DMA_MCR_MSTEN,
+                               (void __iomem *)(TX4938_DMA_REG(i) + 0x50));
        /* PIO */
-        tx4938_pioptr->maskcpu = 0;
+        __raw_writel(0, &tx4938_pioptr->maskcpu);
-        tx4938_pioptr->maskext = 0;
+        __raw_writel(0, &tx4938_pioptr->maskext);
        /* TX4938 internal registers */
        if (request_resource(&iomem_resource, &tx4938_reg_resource))
@@ -863,10 +860,6 @@ void __init plat_mem_setup(void)
        if (txx9_master_clock == 0)
                txx9_master_clock = 25000000; /* 25MHz */
        tx4938_board_setup();
-        /* setup serial stuff */
-        TX4938_WR(0xff1ff314, 0x00000000);      /* h/w flow control off */
-        TX4938_WR(0xff1ff414, 0x00000000);      /* h/w flow control off */
 #ifndef CONFIG_PCI
        set_io_port_base(RBTX4938_ETHER_BASE);
 #endif
@@ -932,16 +925,16 @@ void __init plat_mem_setup(void)
        pcfg = tx4938_ccfgptr->pcfg;    /* updated */
        /* fixup piosel */
        if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-            TX4938_PCFG_ATA_SEL) {
+            TX4938_PCFG_ATA_SEL)
-                *rbtx4938_piosel_ptr = (*rbtx4938_piosel_ptr & 0x03) | 0x04;
+                writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x04,
-        }
+                       rbtx4938_piosel_addr);
        else if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-            TX4938_PCFG_NDF_SEL) {
+                 TX4938_PCFG_NDF_SEL)
-                *rbtx4938_piosel_ptr = (*rbtx4938_piosel_ptr & 0x03) | 0x08;
+                writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x08,
-        }
+                       rbtx4938_piosel_addr);
-        else {
+        else
-                *rbtx4938_piosel_ptr &= ~(0x08 | 0x04);
+                writeb(readb(rbtx4938_piosel_addr) & ~(0x08 | 0x04),
-        }
+                       rbtx4938_piosel_addr);
        rbtx4938_fpga_resource.name = "FPGA Registers";
        rbtx4938_fpga_resource.start = CPHYSADDR(RBTX4938_FPGA_REG_ADDR);
@@ -950,17 +943,14 @@ void __init plat_mem_setup(void)
        if (request_resource(&iomem_resource, &rbtx4938_fpga_resource))
                printk("request resource for fpga failed\n");
-        /* disable all OnBoard I/O interrupts */
-        *rbtx4938_imask_ptr = 0;
        _machine_restart = rbtx4938_machine_restart;
        _machine_halt = rbtx4938_machine_halt;
        pm_power_off = rbtx4938_machine_power_off;
-        *rbtx4938_led_ptr = 0xff;
+        writeb(0xff, rbtx4938_led_addr);
-        printk("RBTX4938 --- FPGA(Rev %02x)", *rbtx4938_fpga_rev_ptr);
+        printk(KERN_INFO "RBTX4938 --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",
-        printk(" DIPSW:%02x,%02x\n",
+               readb(rbtx4938_fpga_rev_addr),
-               *rbtx4938_dipsw_ptr, *rbtx4938_bdipsw_ptr);
+               readb(rbtx4938_dipsw_addr), readb(rbtx4938_bdipsw_addr));
 }
 static int __init rbtx4938_ne_init(void)
@@ -984,106 +974,48 @@ device_initcall(rbtx4938_ne_init);
 /* GPIO support */
-static DEFINE_SPINLOCK(rbtx4938_spi_gpio_lock);
+int gpio_to_irq(unsigned gpio)
-static void rbtx4938_spi_gpio_set(unsigned gpio, int value)
 {
-        u8 val;
+        return -EINVAL;
-        unsigned long flags;
-        gpio -= 16;
-        spin_lock_irqsave(&rbtx4938_spi_gpio_lock, flags);
-        val = *rbtx4938_spics_ptr;
-        if (value)
-                val |= 1 << gpio;
-        else
-                val &= ~(1 << gpio);
-        *rbtx4938_spics_ptr = val;
-        mmiowb();
-        spin_unlock_irqrestore(&rbtx4938_spi_gpio_lock, flags);
 }
-static int rbtx4938_spi_gpio_dir_out(unsigned gpio, int value)
+int irq_to_gpio(unsigned irq)
 {
-        rbtx4938_spi_gpio_set(gpio, value);
+        return -EINVAL;
-        return 0;
 }
-static DEFINE_SPINLOCK(tx4938_gpio_lock);
+static DEFINE_SPINLOCK(rbtx4938_spi_gpio_lock);
-static int tx4938_gpio_get(unsigned gpio)
-{
-        return tx4938_pioptr->din & (1 << gpio);
-}
-static void tx4938_gpio_set_raw(unsigned gpio, int value)
+static void rbtx4938_spi_gpio_set(struct gpio_chip *chip, unsigned int offset,
+                                  int value)
 {
-        u32 val;
+        u8 val;
-        val = tx4938_pioptr->dout;
+        unsigned long flags;
+        spin_lock_irqsave(&rbtx4938_spi_gpio_lock, flags);
+        val = readb(rbtx4938_spics_addr);
        if (value)
-                val |= 1 << gpio;
+                val |= 1 << offset;
        else
-                val &= ~(1 << gpio);
+                val &= ~(1 << offset);
-        tx4938_pioptr->dout = val;
+        writeb(val, rbtx4938_spics_addr);
-}
-static void tx4938_gpio_set(unsigned gpio, int value)
-{
-        unsigned long flags;
-        spin_lock_irqsave(&tx4938_gpio_lock, flags);
-        tx4938_gpio_set_raw(gpio, value);
-        mmiowb();
-        spin_unlock_irqrestore(&tx4938_gpio_lock, flags);
-}
-static int tx4938_gpio_dir_in(unsigned gpio)
-{
-        spin_lock_irq(&tx4938_gpio_lock);
-        tx4938_pioptr->dir &= ~(1 << gpio);
        mmiowb();
-        spin_unlock_irq(&tx4938_gpio_lock);
+        spin_unlock_irqrestore(&rbtx4938_spi_gpio_lock, flags);
-        return 0;
-}
-static int tx4938_gpio_dir_out(unsigned int gpio, int value)
-{
-        spin_lock_irq(&tx4938_gpio_lock);
-        tx4938_gpio_set_raw(gpio, value);
-        tx4938_pioptr->dir |= 1 << gpio;
-        mmiowb();
-        spin_unlock_irq(&tx4938_gpio_lock);
-        return 0;
-}
-int gpio_direction_input(unsigned gpio)
-{
-        if (gpio < 16)
-                return tx4938_gpio_dir_in(gpio);
-        return -EINVAL;
-}
-int gpio_direction_output(unsigned gpio, int value)
-{
-        if (gpio < 16)
-                return tx4938_gpio_dir_out(gpio, value);
-        if (gpio < 16 + 3)
-                return rbtx4938_spi_gpio_dir_out(gpio, value);
-        return -EINVAL;
 }
-int gpio_get_value(unsigned gpio)
+static int rbtx4938_spi_gpio_dir_out(struct gpio_chip *chip,
+                                     unsigned int offset, int value)
 {
-        if (gpio < 16)
+        rbtx4938_spi_gpio_set(chip, offset, value);
-                return tx4938_gpio_get(gpio);
        return 0;
 }
-void gpio_set_value(unsigned gpio, int value)
+static struct gpio_chip rbtx4938_spi_gpio_chip = {
-{
+        .set = rbtx4938_spi_gpio_set,
-        if (gpio < 16)
+        .direction_output = rbtx4938_spi_gpio_dir_out,
-                tx4938_gpio_set(gpio, value);
+        .label = "RBTX4938-SPICS",
-        else
+        .base = 16,
-                rbtx4938_spi_gpio_set(gpio, value);
+        .ngpio = 3,
-}
+};
 /* SPI support */
@@ -1094,7 +1026,6 @@ static void __init txx9_spi_init(unsigned long base, int irq)
                        .start  = base,
                        .end    = base + 0x20 - 1,
                        .flags  = IORESOURCE_MEM,
-                        .parent = &tx4938_reg_resource,
                }, {
                        .start  = irq,
                        .flags  = IORESOURCE_IRQ,
@@ -1118,10 +1049,25 @@ static int __init rbtx4938_spi_init(void)
        spi_eeprom_register(SEEPROM1_CS);
        spi_eeprom_register(16 + SEEPROM2_CS);
        spi_eeprom_register(16 + SEEPROM3_CS);
+        gpio_request(16 + SRTC_CS, "rtc-rs5c348");
+        gpio_direction_output(16 + SRTC_CS, 0);
+        gpio_request(SEEPROM1_CS, "seeprom1");
+        gpio_direction_output(SEEPROM1_CS, 1);
+        gpio_request(16 + SEEPROM2_CS, "seeprom2");
+        gpio_direction_output(16 + SEEPROM2_CS, 1);
+        gpio_request(16 + SEEPROM3_CS, "seeprom3");
+        gpio_direction_output(16 + SEEPROM3_CS, 1);
        txx9_spi_init(TX4938_SPI_REG & 0xfffffffffULL, RBTX4938_IRQ_IRC_SPI);
        return 0;
 }
-arch_initcall(rbtx4938_spi_init);
+static int __init rbtx4938_arch_init(void)
+{
+        txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, 16);
+        gpiochip_add(&rbtx4938_spi_gpio_chip);
+        return rbtx4938_spi_init();
+}
+arch_initcall(rbtx4938_arch_init);
 /* Watchdog support */
@@ -1131,7 +1077,6 @@ static int __init txx9_wdt_init(unsigned long base)
                .start  = base,
                .end    = base + 0x100 - 1,
                .flags  = IORESOURCE_MEM,
-                .parent = &tx4938_reg_resource,
        };
        struct platform_device *dev =
                platform_device_register_simple("txx9wdt", -1, &res, 1);
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
index 76d4b5ed3fc0..c64995342ba8 100644
--- a/arch/mips/vr41xx/common/init.c
+++ b/arch/mips/vr41xx/common/init.c
@@ -1,7 +1,7 @@
 /*
 *  init.c, Common initialization routines for NEC VR4100 series.
 *
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2003-2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
@@ -53,6 +53,8 @@ void __init plat_time_init(void)
 void __init plat_mem_setup(void)
 {
        iomem_resource_init();
+        vr41xx_siu_setup();
 }
 void __init prom_init(void)
diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c
index b735f45b25f0..654dee6208be 100644
--- a/arch/mips/vr41xx/common/siu.c
+++ b/arch/mips/vr41xx/common/siu.c
@@ -1,7 +1,7 @@
 /*
 *  NEC VR4100 series SIU platform device.
 *
- *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2007-2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
@@ -118,3 +118,37 @@ err_free_device:
        return retval;
 }
 device_initcall(vr41xx_siu_add);
+void __init vr41xx_siu_setup(void)
+{
+        struct uart_port port;
+        struct resource *res;
+        unsigned int *type;
+        int i;
+        switch (current_cpu_type()) {
+        case CPU_VR4111:
+        case CPU_VR4121:
+                type = siu_type1_ports;
+                res = siu_type1_resource;
+                break;
+        case CPU_VR4122:
+        case CPU_VR4131:
+        case CPU_VR4133:
+                type = siu_type2_ports;
+                res = siu_type2_resource;
+                break;
+        default:
+                return;
+        }
+        for (i = 0; i < SIU_PORTS_MAX; i++) {
+                port.line = i;
+                port.type = type[i];
+                if (port.type == PORT_UNKNOWN)
+                        break;
+                port.mapbase = res[i].start;
+                port.membase = (unsigned char __iomem *)KSEG1ADDR(res[i].start);
+                vr41xx_siu_early_setup(&port);
+        }
+}
author	Igor Mammedov <niallain@gmail.com>	2008-04-28 19:08:21 -0400
committer	Steve French <sfrench@us.ibm.com>	2008-04-28 19:08:21 -0400
commit	e9f20d6f03e8df393b001dab6dc5226c2a5daf57 (patch)
tree	73e94fa5e4f83576c97e36187b809c5aad2ade30 /arch/mips
parent	bf62fd887cab230f5952b611bde25e8e15acb454 (diff)
parent	e31a94ed371c70855eb30b77c490d6d85dd4da26 (diff)