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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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This commit is contained in:
Linus Torvalds committed 2006-01-12 12:23:49 -08:00
2 parents 8b87e1baff 00431707be
commit bf785ee0ae
37 files changed
+6114 -135
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arch/arm/boot/compressed/head.S
+25 -21
View File
@@ -84,7 +84,7 @@
kputc #'\n'
kphex r5, 8 /* decompressed kernel start */
kputc #'-'
kphex r8, 8 /* decompressed kernel end */
kphex r9, 8 /* decompressed kernel end */
kputc #'>'
kphex r4, 8 /* kernel execution address */
kputc #'\n'
@@ -116,7 +116,7 @@ start:
.word start @ absolute load/run zImage address
.word _edata @ zImage end address
1: mov r7, r1 @ save architecture ID
mov r8, #0 @ save r0
mov r8, r2 @ save atags pointer
#ifndef __ARM_ARCH_2__
/*
@@ -144,7 +144,7 @@ not_angel:
/*
* some architecture specific code can be inserted
* by the linker here, but it should preserve r7 and r8.
* by the linker here, but it should preserve r7, r8, and r9.
*/
.text
@@ -249,16 +249,17 @@ not_relocated: mov r0, #0
* r5 = decompressed kernel start
* r6 = processor ID
* r7 = architecture ID
* r8-r14 = unused
* r8 = atags pointer
* r9-r14 = corrupted
*/
add r1, r5, r0 @ end of decompressed kernel
adr r2, reloc_start
ldr r3, LC1
add r3, r2, r3
1: ldmia r2!, {r8 - r13} @ copy relocation code
stmia r1!, {r8 - r13}
ldmia r2!, {r8 - r13}
stmia r1!, {r8 - r13}
1: ldmia r2!, {r9 - r14} @ copy relocation code
stmia r1!, {r9 - r14}
ldmia r2!, {r9 - r14}
stmia r1!, {r9 - r14}
cmp r2, r3
blo 1b
@@ -308,11 +309,12 @@ params: ldr r0, =params_phys
* r4 = kernel execution address
* r6 = processor ID
* r7 = architecture number
* r8 = run-time address of "start"
* r8 = atags pointer
* r9 = run-time address of "start" (???)
* On exit,
* r1, r2, r3, r8, r9, r12 corrupted
* r1, r2, r3, r9, r10, r12 corrupted
* This routine must preserve:
* r4, r5, r6, r7
* r4, r5, r6, r7, r8
*/
.align 5
cache_on: mov r3, #8 @ cache_on function
@@ -326,15 +328,15 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size
* bits for the RAM area only.
*/
mov r0, r3
mov r8, r0, lsr #18
mov r8, r8, lsl #18 @ start of RAM
add r9, r8, #0x10000000 @ a reasonable RAM size
mov r9, r0, lsr #18
mov r9, r9, lsl #18 @ start of RAM
add r10, r9, #0x10000000 @ a reasonable RAM size
mov r1, #0x12
orr r1, r1, #3 << 10
add r2, r3, #16384
1: cmp r1, r8 @ if virt > start of RAM
orrhs r1, r1, #0x0c @ set cacheable, bufferable
cmp r1, r9 @ if virt > end of RAM
cmp r1, r10 @ if virt > end of RAM
bichs r1, r1, #0x0c @ clear cacheable, bufferable
str r1, [r0], #4 @ 1:1 mapping
add r1, r1, #1048576
@@ -403,26 +405,28 @@ __common_cache_on:
* r5 = decompressed kernel start
* r6 = processor ID
* r7 = architecture ID
* r8-r14 = unused
* r8 = atags pointer
* r9-r14 = corrupted
*/
.align 5
reloc_start: add r8, r5, r0
reloc_start: add r9, r5, r0
debug_reloc_start
mov r1, r4
1:
.rept 4
ldmia r5!, {r0, r2, r3, r9 - r13} @ relocate kernel
stmia r1!, {r0, r2, r3, r9 - r13}
ldmia r5!, {r0, r2, r3, r10 - r14} @ relocate kernel
stmia r1!, {r0, r2, r3, r10 - r14}
.endr
cmp r5, r8
cmp r5, r9
blo 1b
debug_reloc_end
call_kernel: bl cache_clean_flush
bl cache_off
mov r0, #0
mov r0, #0 @ must be zero
mov r1, r7 @ restore architecture number
mov r2, r8 @ restore atags pointer
mov pc, r4 @ call kernel
/*
arch/arm/common/rtctime.c
+8 -7
View File
@@ -19,6 +19,7 @@
#include <linux/spinlock.h>
#include <linux/capability.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <asm/rtc.h>
#include <asm/semaphore.h>
@@ -35,7 +36,7 @@ static unsigned long rtc_irq_data;
/*
* rtc_sem protects rtc_inuse and rtc_ops
*/
static DECLARE_MUTEX(rtc_sem);
static DEFINE_MUTEX(rtc_mutex);
static unsigned long rtc_inuse;
static struct rtc_ops *rtc_ops;
@@ -356,7 +357,7 @@ static int rtc_open(struct inode *inode, struct file *file)
{
int ret;
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc_inuse) {
ret = -EBUSY;
@@ -374,7 +375,7 @@ static int rtc_open(struct inode *inode, struct file *file)
rtc_inuse = 1;
}
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
return ret;
}
@@ -480,7 +481,7 @@ int register_rtc(struct rtc_ops *ops)
{
int ret = -EBUSY;
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc_ops == NULL) {
rtc_ops = ops;
@@ -489,7 +490,7 @@ int register_rtc(struct rtc_ops *ops)
create_proc_read_entry("driver/rtc", 0, NULL,
rtc_read_proc, ops);
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
return ret;
}
@@ -497,12 +498,12 @@ EXPORT_SYMBOL(register_rtc);
void unregister_rtc(struct rtc_ops *rtc)
{
down(&rtc_sem);
mutex_lock(&rtc_mutex);
if (rtc == rtc_ops) {
remove_proc_entry("driver/rtc", NULL);
misc_deregister(&rtc_miscdev);
rtc_ops = NULL;
}
up(&rtc_sem);
mutex_unlock(&rtc_mutex);
}
EXPORT_SYMBOL(unregister_rtc);
arch/arm/configs/at91rm9200dk_defconfig
+1009
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File diff suppressed because it is too large. Load diff
arch/arm/configs/at91rm9200ek_defconfig
+998
View File
File diff suppressed because it is too large. Load diff
arch/arm/configs/csb337_defconfig
+1136
View File
File diff suppressed because it is too large. Load diff
arch/arm/configs/csb637_defconfig
+1116
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File diff suppressed because it is too large. Load diff
arch/arm/kernel/ecard.c
+4 -3
View File
@@ -40,6 +40,7 @@
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/dma.h>
#include <asm/ecard.h>
@@ -206,7 +207,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
static DECLARE_WAIT_QUEUE_HEAD(ecard_wait);
static struct ecard_request *ecard_req;
static DECLARE_MUTEX(ecard_sem);
static DEFINE_MUTEX(ecard_mutex);
/*
* Set up the expansion card daemon's page tables.
@@ -299,7 +300,7 @@ static void ecard_call(struct ecard_request *req)
req->complete = &completion;
down(&ecard_sem);
mutex_lock(&ecard_mutex);
ecard_req = req;
wake_up(&ecard_wait);
@@ -307,7 +308,7 @@ static void ecard_call(struct ecard_request *req)
* Now wait for kecardd to run.
*/
wait_for_completion(&completion);
up(&ecard_sem);
mutex_unlock(&ecard_mutex);
}
/* ======================= Mid-level card control ===================== */
arch/arm/kernel/fiq.c
+2 -2
View File
@@ -101,7 +101,7 @@ void __attribute__((naked)) set_fiq_regs(struct pt_regs *regs)
ldmia %1, {r8 - r14}\n\
msr cpsr_c, %0 @ return to SVC mode\n\
mov r0, r0\n\
ldmea fp, {fp, sp, pc}"
ldmfd sp, {fp, sp, pc}"
: "=&r" (tmp)
: "r" (&regs->ARM_r8), "I" (PSR_I_BIT | PSR_F_BIT | FIQ_MODE));
}
@@ -119,7 +119,7 @@ void __attribute__((naked)) get_fiq_regs(struct pt_regs *regs)
stmia %1, {r8 - r14}\n\
msr cpsr_c, %0 @ return to SVC mode\n\
mov r0, r0\n\
ldmea fp, {fp, sp, pc}"
ldmfd sp, {fp, sp, pc}"
: "=&r" (tmp)
: "r" (&regs->ARM_r8), "I" (PSR_I_BIT | PSR_F_BIT | FIQ_MODE));
}
arch/arm/kernel/setup.c
+9 -6
View File
@@ -205,7 +205,7 @@ static const char *proc_arch[] = {
"5TE",
"5TEJ",
"6TEJ",
"?(10)",
"7",
"?(11)",
"?(12)",
"?(13)",
@@ -258,14 +258,17 @@ int cpu_architecture(void)
{
int cpu_arch;
if ((processor_id & 0x0000f000) == 0) {
if ((processor_id & 0x0008f000) == 0) {
cpu_arch = CPU_ARCH_UNKNOWN;
} else if ((processor_id & 0x0000f000) == 0x00007000) {
} else if ((processor_id & 0x0008f000) == 0x00007000) {
cpu_arch = (processor_id & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
} else {
} else if ((processor_id & 0x00080000) == 0x00000000) {
cpu_arch = (processor_id >> 16) & 7;
if (cpu_arch)
cpu_arch += CPU_ARCH_ARMv3;
} else {
/* the revised CPUID */
cpu_arch = ((processor_id >> 12) & 0xf) - 0xb + CPU_ARCH_ARMv6;
}
return cpu_arch;
@@ -863,11 +866,11 @@ static int c_show(struct seq_file *m, void *v)
seq_printf(m, "\nCPU implementer\t: 0x%02x\n", processor_id >> 24);
seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]);
if ((processor_id & 0x0000f000) == 0x00000000) {
if ((processor_id & 0x0008f000) == 0x00000000) {
/* pre-ARM7 */
seq_printf(m, "CPU part\t\t: %07x\n", processor_id >> 4);
} else {
if ((processor_id & 0x0000f000) == 0x00007000) {
if ((processor_id & 0x0008f000) == 0x00007000) {
/* ARM7 */
seq_printf(m, "CPU variant\t: 0x%02x\n",
(processor_id >> 16) & 127);
arch/arm/lib/csumpartialcopy.S
+4 -2
View File
@@ -18,11 +18,13 @@
*/
.macro save_regs
mov ip, sp
stmfd sp!, {r1, r4 - r8, fp, ip, lr, pc}
sub fp, ip, #4
.endm
.macro load_regs,flags
LOADREGS(\flags,fp,{r1, r4 - r8, fp, sp, pc})
.macro load_regs
ldmfd sp, {r1, r4 - r8, fp, sp, pc}
.endm
.macro load1b, reg1
arch/arm/lib/csumpartialcopygeneric.S
+2 -4
View File
@@ -23,7 +23,7 @@ len .req r2
sum .req r3
.Lzero: mov r0, sum
load_regs ea
load_regs
/*
* Align an unaligned destination pointer. We know that
@@ -87,9 +87,7 @@ sum .req r3
b .Ldone
FN_ENTRY
mov ip, sp
save_regs
sub fp, ip, #4
cmp len, #8 @ Ensure that we have at least
blo .Lless8 @ 8 bytes to copy.
@@ -163,7 +161,7 @@ FN_ENTRY
ldr sum, [sp, #0] @ dst
tst sum, #1
movne r0, r0, ror #8
load_regs ea
load_regs
.Lsrc_not_aligned:
adc sum, sum, #0 @ include C from dst alignment
arch/arm/lib/csumpartialcopyuser.S
+5 -3
View File
@@ -18,11 +18,13 @@
.text
.macro save_regs
mov ip, sp
stmfd sp!, {r1 - r2, r4 - r8, fp, ip, lr, pc}
sub fp, ip, #4
.endm
.macro load_regs,flags
ldm\flags fp, {r1, r2, r4-r8, fp, sp, pc}
.macro load_regs
ldmfd sp, {r1, r2, r4-r8, fp, sp, pc}
.endm
.macro load1b, reg1
@@ -100,5 +102,5 @@
6002: teq r2, r1
strneb r0, [r1], #1
bne 6002b
load_regs ea
load_regs
.previous
arch/arm/mach-aaec2000/clock.c
+8 -7
View File
@@ -16,26 +16,27 @@
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <asm/semaphore.h>
#include "clock.h"
static LIST_HEAD(clocks);
static DECLARE_MUTEX(clocks_sem);
static DEFINE_MUTEX(clocks_mutex);
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
break;
}
}
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return clk;
}
@@ -78,18 +79,18 @@ EXPORT_SYMBOL(clk_set_rate);
int clk_register(struct clk *clk)
{
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_add(&clk->node, &clocks);
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return 0;
}
EXPORT_SYMBOL(clk_register);
void clk_unregister(struct clk *clk)
{
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_del(&clk->node);
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unregister);
arch/arm/mach-at91rm9200/Makefile
+4 -4
View File
@@ -8,10 +8,10 @@ obj-n :=
obj- :=
# Board-specific support
#obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o
#obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o
#obj-$(CONFIG_MACH_CSB337) += board-csb337.o
#obj-$(CONFIG_MACH_CSB637) += board-csb637.o
obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o
obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o
obj-$(CONFIG_MACH_CSB337) += board-csb337.o
obj-$(CONFIG_MACH_CSB637) += board-csb637.o
#obj-$(CONFIG_MACH_CARMEVA) += board-carmeva.o
#obj-$(CONFIG_MACH_KB9200) += board-kb9202.o
arch/arm/mach-at91rm9200/board-csb337.c
+143
View File
@@ -0,0 +1,143 @@
/*
* linux/arch/arm/mach-at91rm9200/board-csb337.c
*
* Copyright (C) 2005 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/hardware.h>
#include <asm/mach/serial_at91rm9200.h>
#include <asm/arch/board.h>
#include "generic.h"
static void __init csb337_init_irq(void)
{
/* Initialize AIC controller */
at91rm9200_init_irq(NULL);
/* Set up the GPIO interrupts */
at91_gpio_irq_setup(BGA_GPIO_BANKS);
}
/*
* Serial port configuration.
* 0 .. 3 = USART0 .. USART3
* 4 = DBGU
*/
#define CSB337_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
#define CSB337_SERIAL_CONSOLE 0 /* ttyS0 */
static void __init csb337_map_io(void)
{
int serial[AT91_NR_UART] = CSB337_UART_MAP;
int i;
at91rm9200_map_io();
/* Initialize clocks: 3.6864 MHz crystal */
at91_clock_init(3686400);
#ifdef CONFIG_SERIAL_AT91
at91_console_port = CSB337_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
/* Register UARTs */
for (i = 0; i < AT91_NR_UART; i++) {
if (serial[i] >= 0)
at91_register_uart(i, serial[i]);
}
#endif
}
static struct at91_eth_data __initdata csb337_eth_data = {
.phy_irq_pin = AT91_PIN_PC2,
.is_rmii = 0,
};
static struct at91_usbh_data __initdata csb337_usbh_data = {
.ports = 2,
};
static struct at91_udc_data __initdata csb337_udc_data = {
// this has no VBUS sensing pin
.pullup_pin = AT91_PIN_PA24,
};
static struct at91_cf_data __initdata csb337_cf_data = {
/*
* connector P4 on the CSB 337 mates to
* connector P8 on the CSB 300CF
*/
/* CSB337 specific */
.det_pin = AT91_PIN_PC3,
/* CSB300CF specific */
.irq_pin = AT91_PIN_PA19,
.vcc_pin = AT91_PIN_PD0,
.rst_pin = AT91_PIN_PD2,
};
static struct at91_mmc_data __initdata csb337_mmc_data = {
.det_pin = AT91_PIN_PD5,
.is_b = 0,
.wire4 = 1,
.wp_pin = AT91_PIN_PD6,
};
static void __init csb337_board_init(void)
{
/* Ethernet */
at91_add_device_eth(&csb337_eth_data);
/* USB Host */
at91_add_device_usbh(&csb337_usbh_data);
/* USB Device */
at91_add_device_udc(&csb337_udc_data);
/* Compact Flash */
at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */
at91_add_device_cf(&csb337_cf_data);
/* MMC */
at91_add_device_mmc(&csb337_mmc_data);
}
MACHINE_START(CSB337, "Cogent CSB337")
/* Maintainer: Bill Gatliff */
.phys_ram = AT91_SDRAM_BASE,
.phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
.timer = &at91rm9200_timer,
.map_io = csb337_map_io,
.init_irq = csb337_init_irq,
.init_machine = csb337_board_init,
MACHINE_END
arch/arm/mach-at91rm9200/board-csb637.c
+116
View File
@@ -0,0 +1,116 @@
/*
* linux/arch/arm/mach-at91rm9200/board-csb637.c
*
* Copyright (C) 2005 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/hardware.h>
#include <asm/mach/serial_at91rm9200.h>
#include <asm/arch/board.h>
#include "generic.h"
static void __init csb637_init_irq(void)
{
/* Initialize AIC controller */
at91rm9200_init_irq(NULL);
/* Set up the GPIO interrupts */
at91_gpio_irq_setup(BGA_GPIO_BANKS);
}
/*
* Serial port configuration.
* 0 .. 3 = USART0 .. USART3
* 4 = DBGU
*/
#define CSB637_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
#define CSB637_SERIAL_CONSOLE 0 /* ttyS0 */
static void __init csb637_map_io(void)
{
int serial[AT91_NR_UART] = CSB637_UART_MAP;
int i;
at91rm9200_map_io();
/* Initialize clocks: 3.6864 MHz crystal */
at91_clock_init(3686400);
#ifdef CONFIG_SERIAL_AT91
at91_console_port = CSB637_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
/* Register UARTs */
for (i = 0; i < AT91_NR_UART; i++) {
if (serial[i] >= 0)
at91_register_uart(i, serial[i]);
}
#endif
}
static struct at91_eth_data __initdata csb637_eth_data = {
.phy_irq_pin = AT91_PIN_PC0,
.is_rmii = 0,
};
static struct at91_usbh_data __initdata csb637_usbh_data = {
.ports = 2,
};
static struct at91_udc_data __initdata csb637_udc_data = {
.vbus_pin = AT91_PIN_PB28,
.pullup_pin = AT91_PIN_PB1,
};
static void __init csb637_board_init(void)
{
/* Ethernet */
at91_add_device_eth(&csb637_eth_data);
/* USB Host */
at91_add_device_usbh(&csb637_usbh_data);
/* USB Device */
at91_add_device_udc(&csb637_udc_data);
}
MACHINE_START(CSB637, "Cogent CSB637")
/* Maintainer: Bill Gatliff */
.phys_ram = AT91_SDRAM_BASE,
.phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
.timer = &at91rm9200_timer,
.map_io = csb637_map_io,
.init_irq = csb637_init_irq,
.init_machine = csb637_board_init,
MACHINE_END
arch/arm/mach-at91rm9200/board-dk.c
+138
View File
@@ -0,0 +1,138 @@
/*
* linux/arch/arm/mach-at91rm9200/board-dk.c
*
* Copyright (C) 2005 SAN People
*
* Epson S1D framebuffer glue code is:
* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/hardware.h>
#include <asm/mach/serial_at91rm9200.h>
#include <asm/arch/board.h>
#include "generic.h"
static void __init dk_init_irq(void)
{
/* Initialize AIC controller */
at91rm9200_init_irq(NULL);
/* Set up the GPIO interrupts */
at91_gpio_irq_setup(BGA_GPIO_BANKS);
}
/*
* Serial port configuration.
* 0 .. 3 = USART0 .. USART3
* 4 = DBGU
*/
#define DK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
#define DK_SERIAL_CONSOLE 0 /* ttyS0 */
static void __init dk_map_io(void)
{
int serial[AT91_NR_UART] = DK_UART_MAP;
int i;
at91rm9200_map_io();
/* Initialize clocks: 18.432 MHz crystal */
at91_clock_init(18432000);
#ifdef CONFIG_SERIAL_AT91
at91_console_port = DK_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
/* Register UARTs */
for (i = 0; i < AT91_NR_UART; i++) {
if (at91_serial_map[i] >= 0)
at91_register_uart(i, at91_serial_map[i]);
}
#endif
}
static struct at91_eth_data __initdata dk_eth_data = {
.phy_irq_pin = AT91_PIN_PC4,
.is_rmii = 1,
};
static struct at91_usbh_data __initdata dk_usbh_data = {
.ports = 2,
};
static struct at91_udc_data __initdata dk_udc_data = {
.vbus_pin = AT91_PIN_PD4,
.pullup_pin = AT91_PIN_PD5,
};
static struct at91_cf_data __initdata dk_cf_data = {
.det_pin = AT91_PIN_PB0,
.rst_pin = AT91_PIN_PC5,
// .irq_pin = ... not connected
// .vcc_pin = ... always powered
};
static struct at91_mmc_data __initdata dk_mmc_data = {
.is_b = 0,
.wire4 = 1,
};
static void __init dk_board_init(void)
{
/* Ethernet */
at91_add_device_eth(&dk_eth_data);
/* USB Host */
at91_add_device_usbh(&dk_usbh_data);
/* USB Device */
at91_add_device_udc(&dk_udc_data);
/* Compact Flash */
at91_add_device_cf(&dk_cf_data);
/* MMC */
at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
at91_add_device_mmc(&dk_mmc_data);
/* VGA */
// dk_add_device_video();
}
MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
/* Maintainer: SAN People/Atmel */
.phys_ram = AT91_SDRAM_BASE,
.phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
.timer = &at91rm9200_timer,
.map_io = dk_map_io,
.init_irq = dk_init_irq,
.init_machine = dk_board_init,
MACHINE_END
arch/arm/mach-at91rm9200/board-ek.c
+131
View File
@@ -0,0 +1,131 @@
/*
* linux/arch/arm/mach-at91rm9200/board-ek.c
*
* Copyright (C) 2005 SAN People
*
* Epson S1D framebuffer glue code is:
* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/hardware.h>
#include <asm/mach/serial_at91rm9200.h>
#include <asm/arch/board.h>
#include "generic.h"
static void __init ek_init_irq(void)
{
/* Initialize AIC controller */
at91rm9200_init_irq(NULL);
/* Set up the GPIO interrupts */
at91_gpio_irq_setup(BGA_GPIO_BANKS);
}
/*
* Serial port configuration.
* 0 .. 3 = USART0 .. USART3
* 4 = DBGU
*/
#define EK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
#define EK_SERIAL_CONSOLE 0 /* ttyS0 */
static void __init ek_map_io(void)
{
int serial[AT91_NR_UART] = EK_UART_MAP;
int i;
at91rm9200_map_io();
/* Initialize clocks: 18.432 MHz crystal */
at91_clock_init(18432000);
#ifdef CONFIG_SERIAL_AT91
at91_console_port = EK_SERIAL_CONSOLE;
memcpy(at91_serial_map, serial, sizeof(serial));
/* Register UARTs */
for (i = 0; i < AT91_NR_UART; i++) {
if (serial[i] >= 0)
at91_register_uart(i, serial[i]);
}
#endif
}
static struct at91_eth_data __initdata ek_eth_data = {
.phy_irq_pin = AT91_PIN_PC4,
.is_rmii = 1,
};
static struct at91_usbh_data __initdata ek_usbh_data = {
.ports = 2,
};
static struct at91_udc_data __initdata ek_udc_data = {
.vbus_pin = AT91_PIN_PD4,
.pullup_pin = AT91_PIN_PD5,
};
static struct at91_mmc_data __initdata ek_mmc_data = {
.det_pin = AT91_PIN_PB27,
.is_b = 0,
.wire4 = 1,
.wp_pin = AT91_PIN_PA17,
};
static void __init ek_board_init(void)
{
/* Ethernet */
at91_add_device_eth(&ek_eth_data);
/* USB Host */
at91_add_device_usbh(&ek_usbh_data);
/* USB Device */
at91_add_device_udc(&ek_udc_data);
/* MMC */
at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
at91_add_device_mmc(&ek_mmc_data);
/* VGA */
// ek_add_device_video();
}
MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
/* Maintainer: SAN People/Atmel */
.phys_ram = AT91_SDRAM_BASE,
.phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
.timer = &at91rm9200_timer,
.map_io = ek_map_io,
.init_irq = ek_init_irq,
.init_machine = ek_board_init,
MACHINE_END
arch/arm/mach-integrator/clock.c
+8 -7
View File
@@ -15,6 +15,7 @@
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <asm/semaphore.h>
#include <asm/hardware/icst525.h>
@@ -22,20 +23,20 @@
#include "clock.h"
static LIST_HEAD(clocks);
static DECLARE_MUTEX(clocks_sem);
static DEFINE_MUTEX(clocks_mutex);
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
break;
}
}
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return clk;
}
@@ -107,18 +108,18 @@ static struct clk uart_clk = {
int clk_register(struct clk *clk)
{
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_add(&clk->node, &clocks);
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return 0;
}
EXPORT_SYMBOL(clk_register);
void clk_unregister(struct clk *clk)
{
down(&clocks_sem);
mutex_lock(&clocks_mutex);
list_del(&clk->node);
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unregister);
arch/arm/mach-pxa/ssp.c
+9 -8
View File
@@ -31,6 +31,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/hardware.h>
@@ -59,7 +60,7 @@ static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = {
#endif
};
static DECLARE_MUTEX(sem);
static DEFINE_MUTEX(mutex);
static int use_count[PXA_SSP_PORTS] = {0, 0, 0};
static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
@@ -239,16 +240,16 @@ int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags)
if (port > PXA_SSP_PORTS || port == 0)
return -ENODEV;
down(&sem);
mutex_lock(&mutex);
if (use_count[port - 1]) {
up(&sem);
mutex_unlock(&mutex);
return -EBUSY;
}
use_count[port - 1]++;
if (!request_mem_region(__PREG(SSCR0_P(port)), 0x2c, "SSP")) {
use_count[port - 1]--;
up(&sem);
mutex_unlock(&mutex);
return -EBUSY;
}
dev->port = port;
@@ -265,13 +266,13 @@ int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags)
/* turn on SSP port clock */
pxa_set_cken(ssp_info[port-1].clock, 1);
up(&sem);
mutex_unlock(&mutex);
return 0;
out_region:
release_mem_region(__PREG(SSCR0_P(port)), 0x2c);
use_count[port - 1]--;
up(&sem);
mutex_unlock(&mutex);
return ret;
}
@@ -282,7 +283,7 @@ out_region:
*/
void ssp_exit(struct ssp_dev *dev)
{
down(&sem);
mutex_lock(&mutex);
SSCR0_P(dev->port) &= ~SSCR0_SSE;
if (dev->port > PXA_SSP_PORTS || dev->port == 0) {
@@ -295,7 +296,7 @@ void ssp_exit(struct ssp_dev *dev)
free_irq(dev->irq, dev);
release_mem_region(__PREG(SSCR0_P(dev->port)), 0x2c);
use_count[dev->port - 1]--;
up(&sem);
mutex_unlock(&mutex);
}
EXPORT_SYMBOL(ssp_write_word);
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