14 files changed, 456 insertions, 65 deletions

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index bafcfa52142b..5d488ef965ce 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -84,6 +84,7 @@
 #include <linux/err.h>
 #include <asm/blackfin.h>
 #include <asm/gpio.h>
+#include <asm/portmux.h>
 #include <linux/irq.h>
 
 #ifdef BF533_FAMILY
@@ -115,7 +116,11 @@ static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
 };
 #endif
 
-static unsigned short reserved_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
+static unsigned short reserved_gpio_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
+static unsigned short reserved_peri_map[gpio_bank(MAX_BLACKFIN_GPIOS + 16)];
+char *str_ident = NULL;
+
+#define RESOURCE_LABEL_SIZE 16
 
 #ifdef CONFIG_PM
 static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
@@ -143,22 +148,100 @@ inline int check_gpio(unsigned short gpio)
         return 0;
 }
 
+static void set_label(unsigned short ident, const char *label)
+{
+
+        if (label && str_ident) {
+                strncpy(str_ident + ident * RESOURCE_LABEL_SIZE, label,
+                         RESOURCE_LABEL_SIZE);
+                str_ident[ident * RESOURCE_LABEL_SIZE +
+                         RESOURCE_LABEL_SIZE - 1] = 0;
+        }
+}
+
+static char *get_label(unsigned short ident)
+{
+        if (!str_ident)
+                return "UNKNOWN";
+
+        return (str_ident[ident * RESOURCE_LABEL_SIZE] ?
+                (str_ident + ident * RESOURCE_LABEL_SIZE) : "UNKNOWN");
+}
+
+static int cmp_label(unsigned short ident, const char *label)
+{
+        if (label && str_ident)
+                return strncmp(str_ident + ident * RESOURCE_LABEL_SIZE,
+                                 label, strlen(label));
+        else
+                return -EINVAL;
+}
+
 #ifdef BF537_FAMILY
 static void port_setup(unsigned short gpio, unsigned short usage)
 {
-        if (usage == GPIO_USAGE) {
-                if (*port_fer[gpio_bank(gpio)] & gpio_bit(gpio))
-                        printk(KERN_WARNING "bfin-gpio: Possible Conflict with Peripheral "
-                               "usage and GPIO %d detected!\n", gpio);
-                *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio);
-        } else
-                *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
-        SSYNC();
+        if (!check_gpio(gpio)) {
+                if (usage == GPIO_USAGE) {
+                        *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio);
+                } else
+                        *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
+                SSYNC();
+        }
 }
 #else
 # define port_setup(...)  do { } while (0)
 #endif
 
+#ifdef BF537_FAMILY
+
+#define PMUX_LUT_RES            0
+#define PMUX_LUT_OFFSET         1
+#define PMUX_LUT_ENTRIES        41
+#define PMUX_LUT_SIZE           2
+
+static unsigned short port_mux_lut[PMUX_LUT_ENTRIES][PMUX_LUT_SIZE] = {
+        {P_PPI0_D13, 11}, {P_PPI0_D14, 11}, {P_PPI0_D15, 11},
+        {P_SPORT1_TFS, 11}, {P_SPORT1_TSCLK, 11}, {P_SPORT1_DTPRI, 11},
+        {P_PPI0_D10, 10}, {P_PPI0_D11, 10}, {P_PPI0_D12, 10},
+        {P_SPORT1_RSCLK, 10}, {P_SPORT1_RFS, 10}, {P_SPORT1_DRPRI, 10},
+        {P_PPI0_D8, 9}, {P_PPI0_D9, 9}, {P_SPORT1_DRSEC, 9},
+        {P_SPORT1_DTSEC, 9}, {P_TMR2, 8}, {P_PPI0_FS3, 8}, {P_TMR3, 7},
+        {P_SPI0_SSEL4, 7}, {P_TMR4, 6}, {P_SPI0_SSEL5, 6}, {P_TMR5, 5},
+        {P_SPI0_SSEL6, 5}, {P_UART1_RX, 4}, {P_UART1_TX, 4}, {P_TMR6, 4},
+        {P_TMR7, 4}, {P_UART0_RX, 3}, {P_UART0_TX, 3}, {P_DMAR0, 3},
+        {P_DMAR1, 3}, {P_SPORT0_DTSEC, 1}, {P_SPORT0_DRSEC, 1},
+        {P_CAN0_RX, 1}, {P_CAN0_TX, 1}, {P_SPI0_SSEL7, 1},
+        {P_SPORT0_TFS, 0}, {P_SPORT0_DTPRI, 0}, {P_SPI0_SSEL2, 0},
+        {P_SPI0_SSEL3, 0}
+};
+
+static void portmux_setup(unsigned short per, unsigned short function)
+{
+        u16 y, muxreg, offset;
+
+        for (y = 0; y < PMUX_LUT_ENTRIES; y++) {
+                if (port_mux_lut[y][PMUX_LUT_RES] == per) {
+
+                        /* SET PORTMUX REG */
+
+                        offset = port_mux_lut[y][PMUX_LUT_OFFSET];
+                        muxreg = bfin_read_PORT_MUX();
+
+                        if (offset != 1) {
+                                muxreg &= ~(1 << offset);
+                        } else {
+                                muxreg &= ~(3 << 1);
+                        }
+
+                        muxreg |= (function << offset);
+                        bfin_write_PORT_MUX(muxreg);
+                }
+        }
+}
+
+#else
+# define portmux_setup(...)  do { } while (0)
+#endif
 
 static void default_gpio(unsigned short gpio)
 {
@@ -179,22 +262,15 @@ static void default_gpio(unsigned short gpio)
 
 static int __init bfin_gpio_init(void)
 {
-        int i;
-
-        printk(KERN_INFO "Blackfin GPIO Controller\n");
 
-        for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE)
-                reserved_map[gpio_bank(i)] = 0;
+        str_ident = kzalloc(RESOURCE_LABEL_SIZE * 256, GFP_KERNEL);
+        if (!str_ident)
+                return -ENOMEM;
 
-#if defined(BF537_FAMILY) && (defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE))
-# if defined(CONFIG_BFIN_MAC_RMII)
-        reserved_map[gpio_bank(PORT_H)] = 0xC373;
-# else
-        reserved_map[gpio_bank(PORT_H)] = 0xFFFF;
-# endif
-#endif
+        printk(KERN_INFO "Blackfin GPIO Controller\n");
 
         return 0;
+
 }
 
 arch_initcall(bfin_gpio_init);
@@ -223,7 +299,7 @@ arch_initcall(bfin_gpio_init);
 void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \
 { \
         unsigned long flags; \
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \
         local_irq_save(flags); \
         if (arg) \
                 gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \
@@ -243,7 +319,7 @@ SET_GPIO(both)
 #define SET_GPIO_SC(name) \
 void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \
 { \
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \
         if (arg) \
                 gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
         else \
@@ -258,7 +334,7 @@ SET_GPIO_SC(maskb)
 void set_gpio_data(unsigned short gpio, unsigned short arg)
 {
         unsigned long flags;
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
         local_irq_save(flags);
         if (arg)
                 gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
@@ -277,7 +353,7 @@ SET_GPIO_SC(data)
 void set_gpio_toggle(unsigned short gpio)
 {
         unsigned long flags;
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
         local_irq_save(flags);
         gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
         bfin_read_CHIPID();
@@ -286,7 +362,7 @@ void set_gpio_toggle(unsigned short gpio)
 #else
 void set_gpio_toggle(unsigned short gpio)
 {
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
         gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
 }
 #endif
@@ -350,7 +426,7 @@ unsigned short get_gpio_data(unsigned short gpio)
 {
         unsigned long flags;
         unsigned short ret;
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
         local_irq_save(flags);
         ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->data >> gpio_sub_n(gpio));
         bfin_read_CHIPID();
@@ -494,13 +570,14 @@ u32 gpio_pm_setup(void)
                         gpio_bank_saved[bank].dir   = gpio_bankb[bank]->dir;
                         gpio_bank_saved[bank].edge  = gpio_bankb[bank]->edge;
                         gpio_bank_saved[bank].both  = gpio_bankb[bank]->both;
-                        gpio_bank_saved[bank].reserved = reserved_map[bank];
+                        gpio_bank_saved[bank].reserved =
+                                                reserved_gpio_map[bank];
 
                         gpio = i;
 
                         while (mask) {
                                 if (mask & 1) {
-                                        reserved_map[gpio_bank(gpio)] |=
+                                        reserved_gpio_map[gpio_bank(gpio)] |=
                                                         gpio_bit(gpio);
                                         bfin_gpio_wakeup_type(gpio,
                                                 wakeup_flags_map[gpio]);
@@ -540,7 +617,8 @@ void gpio_pm_restore(void)
                         gpio_bankb[bank]->edge  = gpio_bank_saved[bank].edge;
                         gpio_bankb[bank]->both  = gpio_bank_saved[bank].both;
 
-                        reserved_map[bank] = gpio_bank_saved[bank].reserved;
+                        reserved_gpio_map[bank] =
+                                        gpio_bank_saved[bank].reserved;
 
                 }
 
@@ -550,6 +628,141 @@ void gpio_pm_restore(void)
 
 #endif
 
+
+
+
+int peripheral_request(unsigned short per, const char *label)
+{
+        unsigned long flags;
+        unsigned short ident = P_IDENT(per);
+
+        /*
+         * Don't cares are pins with only one dedicated function
+         */
+
+        if (per & P_DONTCARE)
+                return 0;
+
+        if (!(per & P_DEFINED))
+                return -ENODEV;
+
+        local_irq_save(flags);
+
+        if (!check_gpio(ident)) {
+
+        if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) {
+                printk(KERN_ERR
+                       "%s: Peripheral %d is already reserved as GPIO by %s !\n",
+                       __FUNCTION__, ident, get_label(ident));
+                dump_stack();
+                local_irq_restore(flags);
+                return -EBUSY;
+        }
+
+        }
+
+        if (unlikely(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident))) {
+
+        /*
+         * Pin functions like AMC address strobes my
+         * be requested and used by several drivers
+         */
+
+        if (!(per & P_MAYSHARE)) {
+
+        /*
+         * Allow that the identical pin function can
+         * be requested from the same driver twice
+         */
+
+                if (cmp_label(ident, label) == 0)
+                        goto anyway;
+
+                        printk(KERN_ERR
+                               "%s: Peripheral %d function %d is already"
+                               "reserved by %s !\n",
+                               __FUNCTION__, ident, P_FUNCT2MUX(per),
+                                get_label(ident));
+                        dump_stack();
+                        local_irq_restore(flags);
+                        return -EBUSY;
+                }
+
+        }
+
+anyway:
+
+
+        portmux_setup(per, P_FUNCT2MUX(per));
+
+        port_setup(ident, PERIPHERAL_USAGE);
+
+        reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident);
+        local_irq_restore(flags);
+        set_label(ident, label);
+
+        return 0;
+}
+EXPORT_SYMBOL(peripheral_request);
+
+int peripheral_request_list(unsigned short per[], const char *label)
+{
+        u16 cnt;
+        int ret;
+
+        for (cnt = 0; per[cnt] != 0; cnt++) {
+                ret = peripheral_request(per[cnt], label);
+                if (ret < 0)
+                        return ret;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL(peripheral_request_list);
+
+void peripheral_free(unsigned short per)
+{
+        unsigned long flags;
+        unsigned short ident = P_IDENT(per);
+
+        if (per & P_DONTCARE)
+                return;
+
+        if (!(per & P_DEFINED))
+                return;
+
+        if (check_gpio(ident) < 0)
+                return;
+
+        local_irq_save(flags);
+
+        if (unlikely(!(reserved_peri_map[gpio_bank(ident)]
+                         & gpio_bit(ident)))) {
+                local_irq_restore(flags);
+                return;
+        }
+
+        if (!(per & P_MAYSHARE)) {
+                port_setup(ident, GPIO_USAGE);
+        }
+
+        reserved_peri_map[gpio_bank(ident)] &= ~gpio_bit(ident);
+
+        local_irq_restore(flags);
+}
+EXPORT_SYMBOL(peripheral_free);
+
+void peripheral_free_list(unsigned short per[])
+{
+        u16 cnt;
+
+        for (cnt = 0; per[cnt] != 0; cnt++) {
+                peripheral_free(per[cnt]);
+        }
+
+}
+EXPORT_SYMBOL(peripheral_free_list);
+
 /***********************************************************
 *
 * FUNCTIONS: Blackfin GPIO Driver
@@ -574,13 +787,13 @@ int gpio_request(unsigned short gpio, const char *label)
 
         local_irq_save(flags);
 
-        if (unlikely(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+        if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
                 printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved!\n", gpio);
                 dump_stack();
                 local_irq_restore(flags);
                 return -EBUSY;
         }
-        reserved_map[gpio_bank(gpio)] |= gpio_bit(gpio);
+        reserved_gpio_map[gpio_bank(gpio)] |= gpio_bit(gpio);
 
         local_irq_restore(flags);
 
@@ -599,7 +812,7 @@ void gpio_free(unsigned short gpio)
 
         local_irq_save(flags);
 
-        if (unlikely(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
+        if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
                 printk(KERN_ERR "bfin-gpio: GPIO %d wasn't reserved!\n", gpio);
                 dump_stack();
                 local_irq_restore(flags);
@@ -608,7 +821,7 @@ void gpio_free(unsigned short gpio)
 
         default_gpio(gpio);
 
-        reserved_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
+        reserved_gpio_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
 
         local_irq_restore(flags);
 }
@@ -618,7 +831,7 @@ void gpio_direction_input(unsigned short gpio)
 {
         unsigned long flags;
 
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
 
         local_irq_save(flags);
         gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
@@ -631,7 +844,7 @@ void gpio_direction_output(unsigned short gpio)
 {
         unsigned long flags;
 
-        BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)));
+        BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)));
 
         local_irq_save(flags);
         gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index d61bba98fb54..960458808344 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -815,7 +815,7 @@ _extable:
 
 ALIGN
 ENTRY(_sys_call_table)
-        .long _sys_ni_syscall   /* 0  -  old "setup()" system call*/
+        .long _sys_restart_syscall      /* 0 */
         .long _sys_exit
         .long _sys_fork
         .long _sys_read
@@ -978,13 +978,13 @@ ENTRY(_sys_call_table)
         .long _sys_sched_get_priority_min  /* 160 */
         .long _sys_sched_rr_get_interval
         .long _sys_nanosleep
-        .long _sys_ni_syscall   /* sys_mremap */
+        .long _sys_mremap
         .long _sys_setresuid    /* setresuid16 */
         .long _sys_getresuid    /* getresuid16 */       /* 165 */
         .long _sys_ni_syscall   /* for vm86 */
         .long _sys_ni_syscall   /* old "query_module" */
         .long _sys_ni_syscall   /* sys_poll */
-        .long _sys_ni_syscall   /* sys_nfsservctl */
+        .long _sys_nfsservctl
         .long _sys_setresgid    /* setresgid16 */       /* 170 */
         .long _sys_getresgid    /* getresgid16 */
         .long _sys_prctl
@@ -1040,7 +1040,7 @@ ENTRY(_sys_call_table)
         .long _sys_ni_syscall   /* reserved for TUX */
         .long _sys_ni_syscall
         .long _sys_gettid
-        .long _sys_ni_syscall   /* 225 */ /* sys_readahead */
+        .long _sys_readahead    /* 225 */
         .long _sys_setxattr
         .long _sys_lsetxattr
         .long _sys_fsetxattr
@@ -1157,6 +1157,21 @@ ENTRY(_sys_call_table)
         .long _sys_shmctl
         .long _sys_shmdt        /* 340 */
         .long _sys_shmget
+        .long _sys_splice
+        .long _sys_sync_file_range
+        .long _sys_tee
+        .long _sys_vmsplice     /* 345 */
+        .long _sys_epoll_pwait
+        .long _sys_utimensat
+        .long _sys_signalfd
+        .long _sys_timerfd
+        .long _sys_eventfd      /* 350 */
+        .long _sys_pread64
+        .long _sys_pwrite64
+        .long _sys_fadvise64
+        .long _sys_set_robust_list
+        .long _sys_get_robust_list      /* 355 */
+        .long _sys_fallocate
         .rept NR_syscalls-(.-_sys_call_table)/4
         .long _sys_ni_syscall
         .endr
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 861141b4f6d6..fcb3405bb14e 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -742,6 +742,7 @@ static int load_flat_file(struct linux_binprm * bprm,
          * __start to address 4 so that is okay).
          */
         if (rev > OLD_FLAT_VERSION) {
+                unsigned long persistent = 0;
                 for (i=0; i < relocs; i++) {
                         unsigned long addr, relval;
 
@@ -749,6 +750,8 @@ static int load_flat_file(struct linux_binprm * bprm,
                            relocated (of course, the address has to be
                            relocated first).  */
                         relval = ntohl(reloc[i]);
+                        if (flat_set_persistent (relval, &persistent))
+                                continue;
                         addr = flat_get_relocate_addr(relval);
                         rp = (unsigned long *) calc_reloc(addr, libinfo, id, 1);
                         if (rp == (unsigned long *)RELOC_FAILED) {
@@ -757,7 +760,8 @@ static int load_flat_file(struct linux_binprm * bprm,
                         }
 
                         /* Get the pointer's value.  */
-                        addr = flat_get_addr_from_rp(rp, relval, flags);
+                        addr = flat_get_addr_from_rp(rp, relval, flags,
+                                                        &persistent);
                         if (addr != 0) {
                                 /*
                                  * Do the relocation.  PIC relocs in the data section are
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index e043cafa3c42..69b9f8e120e9 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -1,5 +1,6 @@
 #include <linux/serial.h>
 #include <asm/dma.h>
+#include <asm/portmux.h>
 
 #define NR_PORTS                1
 
@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = {
         }
 };
 
+#define DRIVER_NAME "bfin-uart"
 
 int nr_ports = NR_PORTS;
 static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 {
 
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        peripheral_request(P_UART0_TX, DRIVER_NAME);
+        peripheral_request(P_UART0_RX, DRIVER_NAME);
+#endif
+
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
         if (uart->cts_pin >= 0) {
-                gpio_request(uart->cts_pin, NULL);
+                gpio_request(uart->cts_pin, DRIVER_NAME);
                 gpio_direction_input(uart->cts_pin);
         }
         if (uart->rts_pin >= 0) {
-                gpio_request(uart->rts_pin, NULL);
+                gpio_request(uart->rts_pin, DRIVER_NAME);
                 gpio_direction_input(uart->rts_pin);
         }
 #endif
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 8f5d9c4d8d5b..6fb328f5186a 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -1,5 +1,6 @@
 #include <linux/serial.h>
 #include <asm/dma.h>
+#include <asm/portmux.h>
 
 #define NR_PORTS                2
 
@@ -122,25 +123,29 @@ struct bfin_serial_res bfin_serial_resource[] = {
 
 int nr_ports = ARRAY_SIZE(bfin_serial_resource);
 
+#define DRIVER_NAME "bfin-uart"
+
 static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 {
-        unsigned short val;
-        val = bfin_read16(BFIN_PORT_MUX);
-        val &= ~(PFDE | PFTE);
-        bfin_write16(BFIN_PORT_MUX, val);
 
-        val = bfin_read16(PORTF_FER);
-        val |= 0xF;
-        bfin_write16(PORTF_FER, val);
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        peripheral_request(P_UART0_TX, DRIVER_NAME);
+        peripheral_request(P_UART0_RX, DRIVER_NAME);
+#endif
+
+#ifdef CONFIG_SERIAL_BFIN_UART1
+        peripheral_request(P_UART1_TX, DRIVER_NAME);
+        peripheral_request(P_UART1_RX, DRIVER_NAME);
+#endif
 
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
         if (uart->cts_pin >= 0) {
-                gpio_request(uart->cts_pin, NULL);
+                gpio_request(uart->cts_pin, DRIVER_NAME);
                 gpio_direction_input(uart->cts_pin);
         }
 
         if (uart->rts_pin >= 0) {
-                gpio_request(uart->rts_pin, NULL);
+                gpio_request(uart->rts_pin, DRIVER_NAME);
                 gpio_direction_output(uart->rts_pin);
         }
 #endif
diff --git a/include/asm-blackfin/mach-bf537/portmux.h b/include/asm-blackfin/mach-bf537/portmux.h
index 23e13c5abc4d..ae6c53b28452 100644
--- a/include/asm-blackfin/mach-bf537/portmux.h
+++ b/include/asm-blackfin/mach-bf537/portmux.h
@@ -106,4 +106,37 @@
 #define P_SPI0_SSEL2    (P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1))
 #define P_SPI0_SSEL7    (P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(2))
 
-#endif /* _MACH_PORTMUX_H_ */
+#define P_MII0 {\
+        P_MII0_ETxD0, \
+        P_MII0_ETxD1, \
+        P_MII0_ETxD2, \
+        P_MII0_ETxD3, \
+        P_MII0_ETxEN, \
+        P_MII0_TxCLK, \
+        P_MII0_PHYINT, \
+        P_MII0_COL, \
+        P_MII0_ERxD0, \
+        P_MII0_ERxD1, \
+        P_MII0_ERxD2, \
+        P_MII0_ERxD3, \
+        P_MII0_ERxDV, \
+        P_MII0_ERxCLK, \
+        P_MII0_ERxER, \
+        P_MII0_CRS, \
+        P_MDC, \
+        P_MDIO, 0}
+
+
+#define P_RMII0 {\
+        P_MII0_ETxD0, \
+        P_MII0_ETxD1, \
+        P_MII0_ETxEN, \
+        P_MII0_ERxD0, \
+        P_MII0_ERxD1, \
+        P_MII0_ERxER, \
+        P_RMII0_REF_CLK, \
+        P_RMII0_MDINT, \
+        P_RMII0_CRS_DV, \
+        P_MDC, \
+        P_MDIO, 0}
+#endif                                  /* _MACH_PORTMUX_H_ */
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index e043cafa3c42..69b9f8e120e9 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -1,5 +1,6 @@
 #include <linux/serial.h>
 #include <asm/dma.h>
+#include <asm/portmux.h>
 
 #define NR_PORTS                1
 
@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = {
         }
 };
 
+#define DRIVER_NAME "bfin-uart"
 
 int nr_ports = NR_PORTS;
 static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 {
 
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        peripheral_request(P_UART0_TX, DRIVER_NAME);
+        peripheral_request(P_UART0_RX, DRIVER_NAME);
+#endif
+
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
         if (uart->cts_pin >= 0) {
-                gpio_request(uart->cts_pin, NULL);
+                gpio_request(uart->cts_pin, DRIVER_NAME);
                 gpio_direction_input(uart->cts_pin);
         }
         if (uart->rts_pin >= 0) {
-                gpio_request(uart->rts_pin, NULL);
+                gpio_request(uart->rts_pin, DRIVER_NAME);
                 gpio_direction_input(uart->rts_pin);
         }
 #endif
diff --git a/include/asm-blackfin/portmux.h b/include/asm-blackfin/portmux.h
index 9d3681e42111..0d3f650d2d99 100644
--- a/include/asm-blackfin/portmux.h
+++ b/include/asm-blackfin/portmux.h
@@ -14,6 +14,12 @@
 #define P_MAYSHARE      0x2000
 #define P_DONTCARE      0x1000
 
+
+int peripheral_request(unsigned short per, const char *label);
+void peripheral_free(unsigned short per);
+int peripheral_request_list(unsigned short per[], const char *label);
+void peripheral_free_list(unsigned short per[]);
+
 #include <asm/gpio.h>
 #include <asm/mach/portmux.h>
 
@@ -145,6 +151,22 @@
 #define P_SPI2_SSEL3 P_UNDEF
 #endif
 
+#ifndef P_SPI2_SSEL4
+#define P_SPI2_SSEL4 P_UNDEF
+#endif
+
+#ifndef P_SPI2_SSEL5
+#define P_SPI2_SSEL5 P_UNDEF
+#endif
+
+#ifndef P_SPI2_SSEL6
+#define P_SPI2_SSEL6 P_UNDEF
+#endif
+
+#ifndef P_SPI2_SSEL7
+#define P_SPI2_SSEL7 P_UNDEF
+#endif
+
 #ifndef P_SPI2_SCK
 #define P_SPI2_SCK P_UNDEF
 #endif
@@ -513,6 +535,22 @@
 #define P_SPI0_SSEL3 P_UNDEF
 #endif
 
+#ifndef P_SPI0_SSEL4
+#define P_SPI0_SSEL4 P_UNDEF
+#endif
+
+#ifndef P_SPI0_SSEL5
+#define P_SPI0_SSEL5 P_UNDEF
+#endif
+
+#ifndef P_SPI0_SSEL6
+#define P_SPI0_SSEL6 P_UNDEF
+#endif
+
+#ifndef P_SPI0_SSEL7
+#define P_SPI0_SSEL7 P_UNDEF
+#endif
+
 #ifndef P_UART0_TX
 #define P_UART0_TX P_UNDEF
 #endif
@@ -741,6 +779,23 @@
 #define P_SPI1_SSEL3 P_UNDEF
 #endif
 
+
+#ifndef P_SPI1_SSEL4
+#define P_SPI1_SSEL4 P_UNDEF
+#endif
+
+#ifndef P_SPI1_SSEL5
+#define P_SPI1_SSEL5 P_UNDEF
+#endif
+
+#ifndef P_SPI1_SSEL6
+#define P_SPI1_SSEL6 P_UNDEF
+#endif
+
+#ifndef P_SPI1_SSEL7
+#define P_SPI1_SSEL7 P_UNDEF
+#endif
+
 #ifndef P_SPI1_SCK
 #define P_SPI1_SCK P_UNDEF
 #endif
diff --git a/include/asm-blackfin/unistd.h b/include/asm-blackfin/unistd.h
index 0df9f2d322a3..07ffe8b718c5 100644
--- a/include/asm-blackfin/unistd.h
+++ b/include/asm-blackfin/unistd.h
@@ -3,6 +3,7 @@
 /*
  * This file contains the system call numbers.
  */
+#define __NR_restart_syscall      0
 #define __NR_exit                 1
 #define __NR_fork                 2
 #define __NR_read                 3
@@ -165,13 +166,13 @@
 #define __NR_sched_get_priority_min     160
 #define __NR_sched_rr_get_interval      161
 #define __NR_nanosleep          162
-                                /* 163 __NR_mremap */
+#define __NR_mremap             163
 #define __NR_setresuid          164
 #define __NR_getresuid          165
                                 /* 166 __NR_vm86 */
                                 /* 167 __NR_query_module */
                                 /* 168 __NR_poll */
-                                /* 169 __NR_nfsservctl */
+#define __NR_nfsservctl         169
 #define __NR_setresgid          170
 #define __NR_getresgid          171
 #define __NR_prctl              172
@@ -227,7 +228,7 @@
                                 /* 222 reserved for TUX */
                                 /* 223 reserved for TUX */
 #define __NR_gettid             224
-                                /* 225 __NR_readahead */
+#define __NR_readahead          225
 #define __NR_setxattr           226
 #define __NR_lsetxattr          227
 #define __NR_fsetxattr          228
@@ -287,7 +288,7 @@
 #define __NR_mq_timedreceive    (__NR_mq_open+3)
 #define __NR_mq_notify          (__NR_mq_open+4)
 #define __NR_mq_getsetattr      (__NR_mq_open+5)
-                                /* 284 __NR_sys_kexec_load */
+#define __NR_kexec_load         284
 #define __NR_waitid             285
 #define __NR_add_key            286
 #define __NR_request_key        287
@@ -352,9 +353,54 @@
 #define __NR_shmdt              340
 #define __NR_shmget             341
 
-#define __NR_syscall            342
+#define __NR_splice             342
+#define __NR_sync_file_range    343
+#define __NR_tee                344
+#define __NR_vmsplice           345
+
+#define __NR_epoll_pwait        346
+#define __NR_utimensat          347
+#define __NR_signalfd           348
+#define __NR_timerfd            349
+#define __NR_eventfd            350
+#define __NR_pread64            351
+#define __NR_pwrite64           352
+#define __NR_fadvise64          353
+#define __NR_set_robust_list    354
+#define __NR_get_robust_list    355
+#define __NR_fallocate          356
+
+#define __NR_syscall            357
 #define NR_syscalls             __NR_syscall
 
+/* Old optional stuff no one actually uses */
+#define __IGNORE_sysfs
+#define __IGNORE_uselib
+
+/* Implement the newer interfaces */
+#define __IGNORE_mmap
+#define __IGNORE_poll
+#define __IGNORE_select
+#define __IGNORE_utime
+
+/* Not relevant on no-mmu */
+#define __IGNORE_swapon
+#define __IGNORE_swapoff
+#define __IGNORE_msync
+#define __IGNORE_mlock
+#define __IGNORE_munlock
+#define __IGNORE_mlockall
+#define __IGNORE_munlockall
+#define __IGNORE_mincore
+#define __IGNORE_madvise
+#define __IGNORE_remap_file_pages
+#define __IGNORE_mbind
+#define __IGNORE_get_mempolicy
+#define __IGNORE_set_mempolicy
+#define __IGNORE_migrate_pages
+#define __IGNORE_move_pages
+#define __IGNORE_getcpu
+
 #ifdef __KERNEL__
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_STAT64
diff --git a/include/asm-h8300/flat.h b/include/asm-h8300/flat.h
index c20eee767d6f..2a873508a9a1 100644
--- a/include/asm-h8300/flat.h
+++ b/include/asm-h8300/flat.h
@@ -9,6 +9,7 @@
 #define flat_argvp_envp_on_stack()              1
 #define flat_old_ram_flag(flags)                1
 #define flat_reloc_valid(reloc, size)           ((reloc) <= (size))
+#define flat_set_persistent(relval, p)          0
 
 /*
  * on the H8 a couple of the relocations have an instruction in the
@@ -18,7 +19,7 @@
  */
 
 #define flat_get_relocate_addr(rel)             (rel)
-#define flat_get_addr_from_rp(rp, relval, flags) \
+#define flat_get_addr_from_rp(rp, relval, flags, persistent) \
         (get_unaligned(rp) & ((flags & FLAT_FLAG_GOTPIC) ? 0xffffffff: 0x00ffffff))
 #define flat_put_addr_at_rp(rp, addr, rel) \
         put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp)
diff --git a/include/asm-m32r/flat.h b/include/asm-m32r/flat.h
index 1b285f65cab6..d851cf0c4aa5 100644
--- a/include/asm-m32r/flat.h
+++ b/include/asm-m32r/flat.h
@@ -15,9 +15,10 @@
 #define flat_stack_align(sp)            (*sp += (*sp & 3 ? (4 - (*sp & 3)): 0))
 #define flat_argvp_envp_on_stack()              0
 #define flat_old_ram_flag(flags)                (flags)
+#define flat_set_persistent(relval, p)          0
 #define flat_reloc_valid(reloc, size)           \
         (((reloc) - textlen_for_m32r_lo16_data) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags) \
+#define flat_get_addr_from_rp(rp, relval, flags, persistent) \
         m32r_flat_get_addr_from_rp(rp, relval, (text_len) )
 
 #define flat_put_addr_at_rp(rp, addr, relval) \
diff --git a/include/asm-m68knommu/flat.h b/include/asm-m68knommu/flat.h
index 2d836edc4344..814b5174a8e0 100644
--- a/include/asm-m68knommu/flat.h
+++ b/include/asm-m68knommu/flat.h
@@ -9,8 +9,9 @@
 #define flat_argvp_envp_on_stack()              1
 #define flat_old_ram_flag(flags)                (flags)
 #define flat_reloc_valid(reloc, size)           ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags)        get_unaligned(rp)
+#define flat_get_addr_from_rp(rp, relval, flags, p)     get_unaligned(rp)
 #define flat_put_addr_at_rp(rp, val, relval)    put_unaligned(val,rp)
 #define flat_get_relocate_addr(rel)             (rel)
+#define flat_set_persistent(relval, p)          0
 
 #endif /* __M68KNOMMU_FLAT_H__ */
diff --git a/include/asm-sh/flat.h b/include/asm-sh/flat.h
index 0d5cc04ab005..dc4f5950dafa 100644
--- a/include/asm-sh/flat.h
+++ b/include/asm-sh/flat.h
@@ -16,8 +16,9 @@
 #define flat_argvp_envp_on_stack()              0
 #define flat_old_ram_flag(flags)                (flags)
 #define flat_reloc_valid(reloc, size)           ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags)        get_unaligned(rp)
+#define flat_get_addr_from_rp(rp, relval, flags, p)     get_unaligned(rp)
 #define flat_put_addr_at_rp(rp, val, relval)    put_unaligned(val,rp)
 #define flat_get_relocate_addr(rel)             (rel)
+#define flat_set_persistent(relval, p)          0
 
 #endif /* __ASM_SH_FLAT_H */
diff --git a/include/asm-v850/flat.h b/include/asm-v850/flat.h
index 3888f59d6881..17f0ea566611 100644
--- a/include/asm-v850/flat.h
+++ b/include/asm-v850/flat.h
@@ -25,6 +25,7 @@
 #define flat_stack_align(sp)            /* nothing needed */
 #define flat_argvp_envp_on_stack()      0
 #define flat_old_ram_flag(flags)        (flags)
+#define flat_set_persistent(relval, p)  0
 
 /* We store the type of relocation in the top 4 bits of the `relval.' */
 
@@ -46,7 +47,8 @@ flat_get_relocate_addr (unsigned long relval)
    For the v850, RP should always be half-word aligned.  */
 static inline unsigned long flat_get_addr_from_rp (unsigned long *rp,
                                                    unsigned long relval,
-                                                   unsigned long flags)
+                                                   unsigned long flags,
+                                                   unsigned long *persistent)
 {
         short *srp = (short *)rp;