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Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
  Blackfin arch: fix PORT_J BUG for BF537/6 EMAC driver reported by Kalle Pokki <kalle.pokki@iki.fi>
  Blackfin arch: gpio pinmux and resource allocation API required by BF537 on chip ethernet mac driver
  Blackfin arch: add some missing syscall
  binfmt_flat: checkpatch fixing minimum support for the blackfin relocations
  Binfmt_flat: Add minimum support for the Blackfin relocations
This commit is contained in:
Linus Torvalds 2007-10-03 15:34:07 -07:00
parent bda0233b89 cda6a20b68
commit 66b1f1a982
14 changed files with 456 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

285
arch/blackfin/kernel/bfin_gpio.c
View File

@ -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;
str_ident = kzalloc(RESOURCE_LABEL_SIZE * 256, GFP_KERNEL);
if (!str_ident)
return -ENOMEM;
printk(KERN_INFO "Blackfin GPIO Controller\n");
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE)
reserved_map[gpio_bank(i)] = 0;
#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
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);

23
arch/blackfin/mach-common/entry.S
View File

@ -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

6
fs/binfmt_flat.c
View File

@ -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

11
include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
View File

@ -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

23
include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
View File

@ -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

35
include/asm-blackfin/mach-bf537/portmux.h
View File

@ -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_ */

11
include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
View File

@ -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

55
include/asm-blackfin/portmux.h
View File

@ -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

56
include/asm-blackfin/unistd.h
View File

@ -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

3
include/asm-h8300/flat.h
View File

@ -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)

3
include/asm-m32r/flat.h
View File

@ -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) \

3
include/asm-m68knommu/flat.h
View File

@ -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__ */

3
include/asm-sh/flat.h
View File

@ -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 */

4
include/asm-v850/flat.h
View File

@ -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;