#include <linux/err.h>
#include <asm/blackfin.h>
#include <asm/gpio.h>
+#include <asm/portmux.h>
#include <linux/irq.h>
#ifdef BF533_FAMILY
};
#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)];
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)
{
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);
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); \
#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 \
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);
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();
#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
{
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();
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]);
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;
}
#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
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);
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);
default_gpio(gpio);
- reserved_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
+ reserved_gpio_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
local_irq_restore(flags);
}
{
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);
{
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);
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
.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
.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
.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
}
if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
- build_insn_word(0x3c01a000); /* lui $at, 0xa000 */
+ build_insn_word(0x8c200000); /* lw $zero, ($at) */
mi.c_format.opcode = cache_op;
mi.c_format.rs = 4; /* $a0 */
data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000);
data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000);
+ if (!data->cs0 || !data->cs1)
+ return -ENOMEM;
+
irq = platform_get_irq(pdev, 0);
if (irq)
set_irq_type(irq, IRQT_RISING);
return -ENOMEM;
printk("BAR5:");
for(i = 0; i <= 0x0F; i++)
- printk("%02X:%02X ", i, readb(barp + i));
+ printk("%02X:%02X ", i, ioread8(barp + i));
printk("\n");
- devices = readl(barp + 0x0C);
+ devices = ioread32(barp + 0x0C);
pci_iounmap(pdev, barp);
if ((pdev->device == 0x6145) && (ap->port_no == 0) &&
dma_addr_t addr = sg_dma_address(sg);
u32 sg_len = sg_dma_len(sg);
- mv_sg->addr = cpu_to_le32(addr & 0xffffffff);
- mv_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16);
- mv_sg->flags_size = cpu_to_le32(sg_len & 0xffff);
+ while (sg_len) {
+ u32 offset = addr & 0xffff;
+ u32 len = sg_len;
- if (ata_sg_is_last(sg, qc))
- mv_sg->flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
+ if ((offset + sg_len > 0x10000))
+ len = 0x10000 - offset;
+
+ mv_sg->addr = cpu_to_le32(addr & 0xffffffff);
+ mv_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16);
+ mv_sg->flags_size = cpu_to_le32(len);
+
+ sg_len -= len;
+ addr += len;
+
+ if (!sg_len && ata_sg_is_last(sg, qc))
+ mv_sg->flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
+
+ mv_sg++;
+ n_sg++;
+ }
- mv_sg++;
- n_sg++;
}
return n_sg;
sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending;
prefetch(sky2->rx_ring + sky2->rx_next);
- if (length < ETH_ZLEN || length > sky2->rx_data_size)
- goto len_error;
-
/* This chip has hardware problems that generates bogus status.
* So do only marginal checking and expect higher level protocols
* to handle crap frames.
u16 maxpower;
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
- printk(PFX KERN_ERR "TX power not in dBm.\n");
+ printk(KERN_ERR PFX "TX power not in dBm.\n");
return -EOPNOTSUPP;
}
*len = 0;
+ if (scsi_sg_count(cmd) == 1 && !adapter->has_64bit_addr) {
+ sg = scsi_sglist(cmd);
+ scb->dma_h_bulkdata = sg_dma_address(sg);
+ *buf = (u32)scb->dma_h_bulkdata;
+ *len = sg_dma_len(sg);
+ return 0;
+ }
+
scsi_for_each_sg(cmd, sg, sgcnt, idx) {
if (adapter->has_64bit_addr) {
scb->sgl64[idx].address = sg_dma_address(sg);
* __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;
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) {
}
/* 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
ac->ac_bh = osb->local_alloc_bh;
status = 0;
bail:
- if (status < 0 && local_alloc_inode)
+ if (status < 0 && local_alloc_inode) {
+ mutex_unlock(&local_alloc_inode->i_mutex);
iput(local_alloc_inode);
+ }
mlog_exit(status);
return status;
#include <linux/serial.h>
#include <asm/dma.h>
+#include <asm/portmux.h>
#define NR_PORTS 1
}
};
+#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
#include <linux/serial.h>
#include <asm/dma.h>
+#include <asm/portmux.h>
#define NR_PORTS 2
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
#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_ */
#include <linux/serial.h>
#include <asm/dma.h>
+#include <asm/portmux.h>
#define NR_PORTS 1
}
};
+#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
#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>
#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
#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
#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
/*
* This file contains the system call numbers.
*/
+#define __NR_restart_syscall 0
#define __NR_exit 1
#define __NR_fork 2
#define __NR_read 3
#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
/* 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
#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
#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
#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
*/
#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)
#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) \
#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__ */
--- /dev/null
+/*
+ * 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, 06, 07 by Ralf Baechle (ralf@linux-mips.org)
+ */
+#ifndef __ASM_CMPXCHG_H
+#define __ASM_CMPXCHG_H
+
+#include <linux/irqflags.h>
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+#define __cmpxchg_asm(ld, st, m, old, new) \
+({ \
+ __typeof(*(m)) __ret; \
+ \
+ if (cpu_has_llsc && R10000_LLSC_WAR) { \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips3 \n" \
+ "1: " ld " %0, %2 # __cmpxchg_asm \n" \
+ " bne %0, %z3, 2f \n" \
+ " .set mips0 \n" \
+ " move $1, %z4 \n" \
+ " .set mips3 \n" \
+ " " st " $1, %1 \n" \
+ " beqzl $1, 1b \n" \
+ "2: \n" \
+ " .set pop \n" \
+ : "=&r" (__ret), "=R" (*m) \
+ : "R" (*m), "Jr" (old), "Jr" (new) \
+ : "memory"); \
+ } else if (cpu_has_llsc) { \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips3 \n" \
+ "1: " ld " %0, %2 # __cmpxchg_asm \n" \
+ " bne %0, %z3, 2f \n" \
+ " .set mips0 \n" \
+ " move $1, %z4 \n" \
+ " .set mips3 \n" \
+ " " st " $1, %1 \n" \
+ " beqz $1, 3f \n" \
+ "2: \n" \
+ " .subsection 2 \n" \
+ "3: b 1b \n" \
+ " .previous \n" \
+ " .set pop \n" \
+ : "=&r" (__ret), "=R" (*m) \
+ : "R" (*m), "Jr" (old), "Jr" (new) \
+ : "memory"); \
+ } else { \
+ unsigned long __flags; \
+ \
+ raw_local_irq_save(__flags); \
+ __ret = *m; \
+ if (__ret == old) \
+ *m = new; \
+ raw_local_irq_restore(__flags); \
+ } \
+ \
+ __ret; \
+})
+
+/*
+ * This function doesn't exist, so you'll get a linker error
+ * if something tries to do an invalid cmpxchg().
+ */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+#define __cmpxchg(ptr,old,new,barrier) \
+({ \
+ __typeof__(ptr) __ptr = (ptr); \
+ __typeof__(*(ptr)) __old = (old); \
+ __typeof__(*(ptr)) __new = (new); \
+ __typeof__(*(ptr)) __res = 0; \
+ \
+ barrier; \
+ \
+ switch (sizeof(*(__ptr))) { \
+ case 4: \
+ __res = __cmpxchg_asm("ll", "sc", __ptr, __old, __new); \
+ break; \
+ case 8: \
+ if (sizeof(long) == 8) { \
+ __res = __cmpxchg_asm("lld", "scd", __ptr, \
+ __old, __new); \
+ break; \
+ } \
+ default: \
+ __cmpxchg_called_with_bad_pointer(); \
+ break; \
+ } \
+ \
+ barrier; \
+ \
+ __res; \
+})
+
+#define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb())
+#define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new,)
+
+#endif /* __ASM_CMPXCHG_H */
#include <linux/percpu.h>
#include <linux/bitops.h>
#include <asm/atomic.h>
+#include <asm/cmpxchg.h>
#include <asm/war.h>
typedef struct
return result;
}
-/*
- * local_sub_if_positive - conditionally subtract integer from atomic variable
- * @i: integer value to subtract
- * @l: pointer of type local_t
- *
- * Atomically test @l and subtract @i if @l is greater or equal than @i.
- * The function returns the old value of @l minus @i.
- */
-static __inline__ long local_sub_if_positive(long i, local_t * l)
-{
- unsigned long result;
-
- if (cpu_has_llsc && R10000_LLSC_WAR) {
- unsigned long temp;
-
- __asm__ __volatile__(
- " .set mips3 \n"
- "1:" __LL "%1, %2 # local_sub_if_positive\n"
- " dsubu %0, %1, %3 \n"
- " bltz %0, 1f \n"
- __SC "%0, %2 \n"
- " .set noreorder \n"
- " beqzl %0, 1b \n"
- " dsubu %0, %1, %3 \n"
- " .set reorder \n"
- "1: \n"
- " .set mips0 \n"
- : "=&r" (result), "=&r" (temp), "=m" (l->a.counter)
- : "Ir" (i), "m" (l->a.counter)
- : "memory");
- } else if (cpu_has_llsc) {
- unsigned long temp;
-
- __asm__ __volatile__(
- " .set mips3 \n"
- "1:" __LL "%1, %2 # local_sub_if_positive\n"
- " dsubu %0, %1, %3 \n"
- " bltz %0, 1f \n"
- __SC "%0, %2 \n"
- " .set noreorder \n"
- " beqz %0, 1b \n"
- " dsubu %0, %1, %3 \n"
- " .set reorder \n"
- "1: \n"
- " .set mips0 \n"
- : "=&r" (result), "=&r" (temp), "=m" (l->a.counter)
- : "Ir" (i), "m" (l->a.counter)
- : "memory");
- } else {
- unsigned long flags;
-
- local_irq_save(flags);
- result = l->a.counter;
- result -= i;
- if (result >= 0)
- l->a.counter = result;
- local_irq_restore(flags);
- }
-
- return result;
-}
-
#define local_cmpxchg(l, o, n) \
((long)cmpxchg_local(&((l)->a.counter), (o), (n)))
#define local_xchg(l, n) (xchg_local(&((l)->a.counter),(n)))
*/
#define local_dec_and_test(l) (local_sub_return(1, (l)) == 0)
-/*
- * local_dec_if_positive - decrement by 1 if old value positive
- * @l: pointer of type local_t
- */
-#define local_dec_if_positive(l) local_sub_if_positive(1, l)
-
/*
* local_add_negative - add and test if negative
* @l: pointer of type local_t
#include <asm/addrspace.h>
#include <asm/barrier.h>
+#include <asm/cmpxchg.h>
#include <asm/cpu-features.h>
#include <asm/dsp.h>
#include <asm/war.h>
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define __HAVE_ARCH_CMPXCHG 1
-
-static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
- unsigned long new)
-{
- __u32 retval;
-
- if (cpu_has_llsc && R10000_LLSC_WAR) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: ll %0, %2 # __cmpxchg_u32 \n"
- " bne %0, %z3, 2f \n"
- " .set mips0 \n"
- " move $1, %z4 \n"
- " .set mips3 \n"
- " sc $1, %1 \n"
- " beqzl $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else if (cpu_has_llsc) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: ll %0, %2 # __cmpxchg_u32 \n"
- " bne %0, %z3, 2f \n"
- " .set mips0 \n"
- " move $1, %z4 \n"
- " .set mips3 \n"
- " sc $1, %1 \n"
- " beqz $1, 3f \n"
- "2: \n"
- " .subsection 2 \n"
- "3: b 1b \n"
- " .previous \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else {
- unsigned long flags;
-
- raw_local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- raw_local_irq_restore(flags); /* implies memory barrier */
- }
-
- smp_llsc_mb();
-
- return retval;
-}
-
-static inline unsigned long __cmpxchg_u32_local(volatile int * m,
- unsigned long old, unsigned long new)
-{
- __u32 retval;
-
- if (cpu_has_llsc && R10000_LLSC_WAR) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: ll %0, %2 # __cmpxchg_u32 \n"
- " bne %0, %z3, 2f \n"
- " .set mips0 \n"
- " move $1, %z4 \n"
- " .set mips3 \n"
- " sc $1, %1 \n"
- " beqzl $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else if (cpu_has_llsc) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: ll %0, %2 # __cmpxchg_u32 \n"
- " bne %0, %z3, 2f \n"
- " .set mips0 \n"
- " move $1, %z4 \n"
- " .set mips3 \n"
- " sc $1, %1 \n"
- " beqz $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else {
- unsigned long flags;
-
- local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- local_irq_restore(flags); /* implies memory barrier */
- }
-
- return retval;
-}
-
-#ifdef CONFIG_64BIT
-static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
- unsigned long new)
-{
- __u64 retval;
-
- if (cpu_has_llsc && R10000_LLSC_WAR) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: lld %0, %2 # __cmpxchg_u64 \n"
- " bne %0, %z3, 2f \n"
- " move $1, %z4 \n"
- " scd $1, %1 \n"
- " beqzl $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else if (cpu_has_llsc) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: lld %0, %2 # __cmpxchg_u64 \n"
- " bne %0, %z3, 2f \n"
- " move $1, %z4 \n"
- " scd $1, %1 \n"
- " beqz $1, 3f \n"
- "2: \n"
- " .subsection 2 \n"
- "3: b 1b \n"
- " .previous \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else {
- unsigned long flags;
-
- raw_local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- raw_local_irq_restore(flags); /* implies memory barrier */
- }
-
- smp_llsc_mb();
-
- return retval;
-}
-
-static inline unsigned long __cmpxchg_u64_local(volatile int * m,
- unsigned long old, unsigned long new)
-{
- __u64 retval;
-
- if (cpu_has_llsc && R10000_LLSC_WAR) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: lld %0, %2 # __cmpxchg_u64 \n"
- " bne %0, %z3, 2f \n"
- " move $1, %z4 \n"
- " scd $1, %1 \n"
- " beqzl $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else if (cpu_has_llsc) {
- __asm__ __volatile__(
- " .set push \n"
- " .set noat \n"
- " .set mips3 \n"
- "1: lld %0, %2 # __cmpxchg_u64 \n"
- " bne %0, %z3, 2f \n"
- " move $1, %z4 \n"
- " scd $1, %1 \n"
- " beqz $1, 1b \n"
- "2: \n"
- " .set pop \n"
- : "=&r" (retval), "=R" (*m)
- : "R" (*m), "Jr" (old), "Jr" (new)
- : "memory");
- } else {
- unsigned long flags;
-
- local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- local_irq_restore(flags); /* implies memory barrier */
- }
-
- return retval;
-}
-
-#else
-extern unsigned long __cmpxchg_u64_unsupported_on_32bit_kernels(
- volatile int * m, unsigned long old, unsigned long new);
-#define __cmpxchg_u64 __cmpxchg_u64_unsupported_on_32bit_kernels
-extern unsigned long __cmpxchg_u64_local_unsupported_on_32bit_kernels(
- volatile int * m, unsigned long old, unsigned long new);
-#define __cmpxchg_u64_local __cmpxchg_u64_local_unsupported_on_32bit_kernels
-#endif
-
-/* This function doesn't exist, so you'll get a linker error
- if something tries to do an invalid cmpxchg(). */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
- unsigned long new, int size)
-{
- switch (size) {
- case 4:
- return __cmpxchg_u32(ptr, old, new);
- case 8:
- return __cmpxchg_u64(ptr, old, new);
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
-static inline unsigned long __cmpxchg_local(volatile void * ptr,
- unsigned long old, unsigned long new, int size)
-{
- switch (size) {
- case 4:
- return __cmpxchg_u32_local(ptr, old, new);
- case 8:
- return __cmpxchg_u64_local(ptr, old, new);
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
-#define cmpxchg(ptr,old,new) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), \
- (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr))))
-
-#define cmpxchg_local(ptr,old,new) \
- ((__typeof__(*(ptr)))__cmpxchg_local((ptr), \
- (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr))))
-
extern void set_handler (unsigned long offset, void *addr, unsigned long len);
extern void set_uncached_handler (unsigned long offset, void *addr, unsigned long len);
#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 */
#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.' */
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;
#define ARCH_HAS_PREFETCH
static inline void prefetch(void *x)
{
- asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
+ asm volatile("prefetcht0 (%0)" :: "r" (x));
}
#define ARCH_HAS_PREFETCHW 1
* do not need to flush old virtual caches or the TLB.
*
* We enter with non-exclusive mmap_sem (to exclude vma changes,
- * but allow concurrent faults), and pte mapped but not yet locked.
+ * but allow concurrent faults), and pte neither mapped nor locked.
* We return with mmap_sem still held, but pte unmapped and unlocked.
*/
static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- unsigned long address, pte_t *page_table, pmd_t *pmd,
+ unsigned long address, pmd_t *pmd,
pgoff_t pgoff, unsigned int flags, pte_t orig_pte)
{
+ pte_t *page_table;
spinlock_t *ptl;
struct page *page;
pte_t entry;
vmf.flags = flags;
vmf.page = NULL;
- pte_unmap(page_table);
BUG_ON(vma->vm_flags & VM_PFNMAP);
if (likely(vma->vm_ops->fault)) {
- vma->vm_start) >> PAGE_CACHE_SHIFT) + vma->vm_pgoff;
unsigned int flags = (write_access ? FAULT_FLAG_WRITE : 0);
- return __do_fault(mm, vma, address, page_table, pmd, pgoff,
- flags, orig_pte);
+ pte_unmap(page_table);
+ return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
}
}
pgoff = pte_to_pgoff(orig_pte);
-
- return __do_fault(mm, vma, address, page_table, pmd, pgoff,
- flags, orig_pte);
+ return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
}
/*
sm->associnfo.associating = 1;
/* queue lower level code to do work (if necessary) */
schedule_delayed_work(&sm->associnfo.work, 0);
-out:
+
mutex_unlock(&sm->associnfo.mutex);
return 0;
projects / cascardo / linux.git / commitdiff