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raspberrypi-kernel
提交 6f95416e 编写于 作者: R Russell King 提交者： Russell King
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Merge branches 'arm-mm', 'at91', 'clkevts', 'imx', 'iop', 'misc', 'netx',... 

Merge branches 'arm-mm', 'at91', 'clkevts', 'imx', 'iop', 'misc', 'netx', 'ns9xxx', 'omap', 'pxa', 'rpc', 's3c' and 'sa1100' into devel
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Documentation/spi/pxa2xx
浏览文件 @ 6f95416e
......@@ -62,7 +62,7 @@ static struct resource pxa_spi_nssp_resources[] = {
static struct pxa2xx_spi_master pxa_nssp_master_info = {
.ssp_type = PXA25x_NSSP, /* Type of SSP */
.clock_enable = CKEN9_NSSP, /* NSSP Peripheral clock */
.clock_enable = CKEN_NSSP, /* NSSP Peripheral clock */
.num_chipselect = 1, /* Matches the number of chips attached to NSSP */
.enable_dma = 1, /* Enables NSSP DMA */
};
......
arch/arm/Kconfig
浏览文件 @ 6f95416e
......@@ -29,6 +29,10 @@ config GENERIC_TIME
bool
default n
config GENERIC_CLOCKEVENTS
bool
default n
config MMU
bool
default y
......@@ -67,6 +71,14 @@ config GENERIC_HARDIRQS
bool
default y
config STACKTRACE_SUPPORT
bool
default y
config LOCKDEP_SUPPORT
bool
default y
config TRACE_IRQFLAGS_SUPPORT
bool
default y
......@@ -162,6 +174,8 @@ config ARCH_VERSATILE
select ARM_AMBA
select ARM_VIC
select ICST307
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
This enables support for ARM Ltd Versatile board.
......@@ -262,6 +276,7 @@ config ARCH_IXP4XX
bool "IXP4xx-based"
depends on MMU
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
Support for Intel's IXP4XX (XScale) family of processors.
......@@ -363,6 +378,7 @@ config ARCH_LH7A40X
config ARCH_OMAP
bool "TI OMAP"
select GENERIC_GPIO
select GENERIC_TIME
help
Support for TI's OMAP platform (OMAP1 and OMAP2).
......@@ -513,6 +529,8 @@ endmenu
menu "Kernel Features"
source "kernel/time/Kconfig"
config SMP
bool "Symmetric Multi-Processing (EXPERIMENTAL)"
depends on EXPERIMENTAL && REALVIEW_MPCORE
......@@ -572,6 +590,7 @@ config PREEMPT
config NO_IDLE_HZ
bool "Dynamic tick timer"
depends on !GENERIC_CLOCKEVENTS
help
Select this option if you want to disable continuous timer ticks
and have them programmed to occur as required. This option saves
......@@ -669,6 +688,7 @@ config LEDS_TIMER
bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
MACH_OMAP_H2 || MACH_OMAP_PERSEUS2
depends on LEDS
depends on !GENERIC_CLOCKEVENTS
default y if ARCH_EBSA110
help
If you say Y here, one of the system LEDs (the green one on the
......
arch/arm/boot/compressed/head-at91rm9200.S
浏览文件 @ 6f95416e
......@@ -61,6 +61,12 @@
cmp r7, r3
beq 99f
@ picotux 200 : 963
mov r3, #(MACH_TYPE_PICOTUX2XX & 0xff)
orr r3, r3, #(MACH_TYPE_PICOTUX2XX & 0xff00)
cmp r7, r3
beq 99f
@ Ajeco 1ARM : 1075
mov r3, #(MACH_TYPE_ONEARM & 0xff)
orr r3, r3, #(MACH_TYPE_ONEARM & 0xff00)
......
arch/arm/configs/picotux200_defconfig 0 → 100644
浏览文件 @ 6f95416e
此差异已折叠。
arch/arm/kernel/Makefile
浏览文件 @ 6f95416e
......@@ -7,8 +7,8 @@ AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
# Object file lists.
obj-y := compat.o entry-armv.o entry-common.o irq.o \
process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \
time.o traps.o
process.o ptrace.o semaphore.o setup.o signal.o \
sys_arm.o stacktrace.o time.o traps.o
obj-$(CONFIG_ISA_DMA_API) += dma.o
obj-$(CONFIG_ARCH_ACORN) += ecard.o
......
arch/arm/kernel/ecard.c
浏览文件 @ 6f95416e
......@@ -40,6 +40,7 @@
#include <linux/device.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/kthread.h>
#include <asm/dma.h>
#include <asm/ecard.h>
......@@ -50,6 +51,8 @@
#include <asm/mach/irq.h>
#include <asm/tlbflush.h>
#include "ecard.h"
#ifndef CONFIG_ARCH_RPC
#define HAVE_EXPMASK
#endif
......@@ -123,7 +126,7 @@ static void ecard_task_reset(struct ecard_request *req)
res = ec->slot_no == 8
? &ec->resource[ECARD_RES_MEMC]
: ec->type == ECARD_EASI
: ec->easi
? &ec->resource[ECARD_RES_EASI]
: &ec->resource[ECARD_RES_IOCSYNC];
......@@ -178,7 +181,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
index += 1;
}
} else {
unsigned long base = (ec->type == ECARD_EASI
unsigned long base = (ec->easi
? &ec->resource[ECARD_RES_EASI]
: &ec->resource[ECARD_RES_IOCSYNC])->start;
void __iomem *pbase = (void __iomem *)base;
......@@ -263,8 +266,6 @@ static int ecard_init_mm(void)
static int
ecard_task(void * unused)
{
daemonize("kecardd");
/*
* Allocate a mm. We're not a lazy-TLB kernel task since we need
* to set page table entries where the user space would be. Note
......@@ -727,7 +728,7 @@ static int ecard_prints(char *buffer, ecard_t *ec)
char *start = buffer;
buffer += sprintf(buffer, " %d: %s ", ec->slot_no,
ec->type == ECARD_EASI ? "EASI" : " ");
ec->easi ? "EASI" : " ");
if (ec->cid.id == 0) {
struct in_chunk_dir incd;
......@@ -814,7 +815,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
}
ec->slot_no = slot;
ec->type = type;
ec->easi = type == ECARD_EASI;
ec->irq = NO_IRQ;
ec->fiq = NO_IRQ;
ec->dma = NO_DMA;
......@@ -825,6 +826,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
ec->dev.bus = &ecard_bus_type;
ec->dev.dma_mask = &ec->dma_mask;
ec->dma_mask = (u64)0xffffffff;
ec->dev.coherent_dma_mask = ec->dma_mask;
if (slot < 4) {
ec_set_resource(ec, ECARD_RES_MEMC,
......@@ -907,7 +909,7 @@ static ssize_t ecard_show_device(struct device *dev, struct device_attribute *at
static ssize_t ecard_show_type(struct device *dev, struct device_attribute *attr, char *buf)
{
struct expansion_card *ec = ECARD_DEV(dev);
return sprintf(buf, "%s\n", ec->type == ECARD_EASI ? "EASI" : "IOC");
return sprintf(buf, "%s\n", ec->easi ? "EASI" : "IOC");
}
static struct device_attribute ecard_dev_attrs[] = {
......@@ -1058,13 +1060,14 @@ ecard_probe(int slot, card_type_t type)
*/
static int __init ecard_init(void)
{
int slot, irqhw, ret;
ret = kernel_thread(ecard_task, NULL, CLONE_KERNEL);
if (ret < 0) {
printk(KERN_ERR "Ecard: unable to create kernel thread: %d\n",
ret);
return ret;
struct task_struct *task;
int slot, irqhw;
task = kthread_run(ecard_task, NULL, "kecardd");
if (IS_ERR(task)) {
printk(KERN_ERR "Ecard: unable to create kernel thread: %ld\n",
PTR_ERR(task));
return PTR_ERR(task);
}
printk("Probing expansion cards\n");
......
arch/arm/kernel/ecard.h 0 → 100644
浏览文件 @ 6f95416e
/*
* ecard.h
*
* Copyright 2007 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* Definitions internal to ecard.c - for it's use only!!
*
* External expansion card header as read from the card
*/
struct ex_ecid {
unsigned char r_irq:1;
unsigned char r_zero:1;
unsigned char r_fiq:1;
unsigned char r_id:4;
unsigned char r_a:1;
unsigned char r_cd:1;
unsigned char r_is:1;
unsigned char r_w:2;
unsigned char r_r1:4;
unsigned char r_r2:8;
unsigned char r_prod[2];
unsigned char r_manu[2];
unsigned char r_country;
unsigned char r_fiqmask;
unsigned char r_fiqoff[3];
unsigned char r_irqmask;
unsigned char r_irqoff[3];
};
/*
* Chunk directory entry as read from the card
*/
struct ex_chunk_dir {
unsigned char r_id;
unsigned char r_len[3];
unsigned long r_start;
union {
char string[256];
char data[1];
} d;
#define c_id(x) ((x)->r_id)
#define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
#define c_start(x) ((x)->r_start)
};
arch/arm/kernel/head.S
浏览文件 @ 6f95416e
......@@ -257,7 +257,9 @@ __create_page_tables:
* Map some ram to cover our .data and .bss areas.
*/
orr r3, r7, #(KERNEL_RAM_PADDR & 0xff000000)
.if (KERNEL_RAM_PADDR & 0x00f00000)
orr r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000)
.endif
add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> 18
str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]!
ldr r6, =(_end - 1)
......@@ -274,7 +276,9 @@ __create_page_tables:
*/
add r0, r4, #PAGE_OFFSET >> 18
orr r6, r7, #(PHYS_OFFSET & 0xff000000)
orr r6, r6, #(PHYS_OFFSET & 0x00e00000)
.if (PHYS_OFFSET & 0x00f00000)
orr r6, r6, #(PHYS_OFFSET & 0x00f00000)
.endif
str r6, [r0]
#ifdef CONFIG_DEBUG_LL
......
arch/arm/kernel/process.c
浏览文件 @ 6f95416e
......@@ -27,6 +27,7 @@
#include <linux/cpu.h>
#include <linux/elfcore.h>
#include <linux/pm.h>
#include <linux/tick.h>
#include <asm/leds.h>
#include <asm/processor.h>
......@@ -159,9 +160,11 @@ void cpu_idle(void)
if (!idle)
idle = default_idle;
leds_event(led_idle_start);
tick_nohz_stop_sched_tick();
while (!need_resched())
idle();
leds_event(led_idle_end);
tick_nohz_restart_sched_tick();
preempt_enable_no_resched();
schedule();
preempt_disable();
......
arch/arm/kernel/ptrace.c
浏览文件 @ 6f95416e
......@@ -779,8 +779,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
case PTRACE_SET_SYSCALL:
task_thread_info(child)->syscall = data;
ret = 0;
child->ptrace_message = data;
break;
#ifdef CONFIG_CRUNCH
......@@ -817,7 +817,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
ip = regs->ARM_ip;
regs->ARM_ip = why;
current->ptrace_message = scno;
current_thread_info()->syscall = scno;
/* the 0x80 provides a way for the tracing parent to distinguish
between a syscall stop and SIGTRAP delivery */
......@@ -834,5 +834,5 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
}
regs->ARM_ip = ip;
return current->ptrace_message;
return current_thread_info()->syscall;
}
arch/arm/kernel/stacktrace.c 0 → 100644
浏览文件 @ 6f95416e
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include "stacktrace.h"
int walk_stackframe(unsigned long fp, unsigned long low, unsigned long high,
int (*fn)(struct stackframe *, void *), void *data)
{
struct stackframe *frame;
do {
/*
* Check current frame pointer is within bounds
*/
if ((fp - 12) < low || fp + 4 >= high)
break;
frame = (struct stackframe *)(fp - 12);
if (fn(frame, data))
break;
/*
* Update the low bound - the next frame must always
* be at a higher address than the current frame.
*/
low = fp + 4;
fp = frame->fp;
} while (fp);
return 0;
}
#ifdef CONFIG_STACKTRACE
struct stack_trace_data {
struct stack_trace *trace;
unsigned int skip;
};
static int save_trace(struct stackframe *frame, void *d)
{
struct stack_trace_data *data = d;
struct stack_trace *trace = data->trace;
if (data->skip) {
data->skip--;
return 0;
}
trace->entries[trace->nr_entries++] = frame->lr;
return trace->nr_entries >= trace->max_entries;
}
void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
{
struct stack_trace_data data;
unsigned long fp, base;
data.trace = trace;
data.skip = trace->skip;
if (task) {
base = (unsigned long)task_stack_page(task);
fp = 0; /* FIXME */
} else {
base = (unsigned long)task_stack_page(current);
asm("mov %0, fp" : "=r" (fp));
}
walk_stackframe(fp, base, base + THREAD_SIZE, save_trace, &data);
}
#endif
arch/arm/kernel/stacktrace.h 0 → 100644
浏览文件 @ 6f95416e
struct stackframe {
unsigned long fp;
unsigned long sp;
unsigned long lr;
unsigned long pc;
};
int walk_stackframe(unsigned long fp, unsigned long low, unsigned long high,
int (*fn)(struct stackframe *, void *), void *data);
arch/arm/kernel/time.c
浏览文件 @ 6f95416e
......@@ -327,6 +327,7 @@ void restore_time_delta(struct timespec *delta, struct timespec *rtc)
}
EXPORT_SYMBOL(restore_time_delta);
#ifndef CONFIG_GENERIC_CLOCKEVENTS
/*
* Kernel system timer support.
*/
......@@ -340,8 +341,9 @@ void timer_tick(void)
update_process_times(user_mode(get_irq_regs()));
#endif
}
#endif
#ifdef CONFIG_PM
#if defined(CONFIG_PM) && !defined(CONFIG_GENERIC_CLOCKEVENTS)
static int timer_suspend(struct sys_device *dev, pm_message_t state)
{
struct sys_timer *timer = container_of(dev, struct sys_timer, dev);
......
arch/arm/kernel/traps.c
浏览文件 @ 6f95416e
......@@ -286,6 +286,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
struct undef_hook *hook;
siginfo_t info;
void __user *pc;
unsigned long flags;
/*
* According to the ARM ARM, PC is 2 or 4 bytes ahead,
......@@ -304,7 +305,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
get_user(instr, (u32 __user *)pc);
}
spin_lock_irq(&undef_lock);
spin_lock_irqsave(&undef_lock, flags);
list_for_each_entry(hook, &undef_hook, node) {
if ((instr & hook->instr_mask) == hook->instr_val &&
(regs->ARM_cpsr & hook->cpsr_mask) == hook->cpsr_val) {
......@@ -314,7 +315,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
}
}
}
spin_unlock_irq(&undef_lock);
spin_unlock_irqrestore(&undef_lock, flags);
#ifdef CONFIG_DEBUG_USER
if (user_debug & UDBG_UNDEFINED) {
......
arch/arm/mach-at91/Kconfig
浏览文件 @ 6f95416e
......@@ -81,6 +81,13 @@ config MACH_KB9200
Select this if you are using KwikByte's KB920x board.
<http://kwikbyte.com/KB9202_description_new.htm>
config MACH_PICOTUX2XX
bool "picotux 200"
depends on ARCH_AT91RM9200
help
Select this if you are using a picotux 200.
<http://www.picotux.com/>
config MACH_KAFA
bool "Sperry-Sun KAFA board"
depends on ARCH_AT91RM9200
......
arch/arm/mach-at91/Makefile
浏览文件 @ 6f95416e
......@@ -25,6 +25,7 @@ obj-$(CONFIG_MACH_CARMEVA) += board-carmeva.o
obj-$(CONFIG_MACH_KB9200) += board-kb9202.o
obj-$(CONFIG_MACH_ATEB9200) += board-eb9200.o
obj-$(CONFIG_MACH_KAFA) += board-kafa.o
obj-$(CONFIG_MACH_PICOTUX2XX) += board-picotux200.o
# AT91SAM9260 board-specific support
obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
......
arch/arm/mach-at91/at91rm9200.c
浏览文件 @ 6f95416e
......@@ -117,6 +117,21 @@ static struct clk pioD_clk = {
.pmc_mask = 1 << AT91RM9200_ID_PIOD,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc0_clk = {
.name = "ssc0_clk",
.pmc_mask = 1 << AT91RM9200_ID_SSC0,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc1_clk = {
.name = "ssc1_clk",
.pmc_mask = 1 << AT91RM9200_ID_SSC1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc2_clk = {
.name = "ssc2_clk",
.pmc_mask = 1 << AT91RM9200_ID_SSC2,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk tc0_clk = {
.name = "tc0_clk",
.pmc_mask = 1 << AT91RM9200_ID_TC0,
......@@ -161,7 +176,9 @@ static struct clk *periph_clocks[] __initdata = {
&udc_clk,
&twi_clk,
&spi_clk,
// ssc 0 .. ssc2
&ssc0_clk,
&ssc1_clk,
&ssc2_clk,
&tc0_clk,
&tc1_clk,
&tc2_clk,
......
arch/arm/mach-at91/at91sam9260.c
浏览文件 @ 6f95416e
......@@ -119,6 +119,11 @@ static struct clk spi1_clk = {
.pmc_mask = 1 << AT91SAM9260_ID_SPI1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc_clk = {
.name = "ssc_clk",
.pmc_mask = 1 << AT91SAM9260_ID_SSC,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk tc0_clk = {
.name = "tc0_clk",
.pmc_mask = 1 << AT91SAM9260_ID_TC0,
......@@ -193,7 +198,7 @@ static struct clk *periph_clocks[] __initdata = {
&twi_clk,
&spi0_clk,
&spi1_clk,
// ssc
&ssc_clk,
&tc0_clk,
&tc1_clk,
&tc2_clk,
......
arch/arm/mach-at91/at91sam9261.c
浏览文件 @ 6f95416e
......@@ -97,6 +97,21 @@ static struct clk spi1_clk = {
.pmc_mask = 1 << AT91SAM9261_ID_SPI1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc0_clk = {
.name = "ssc0_clk",
.pmc_mask = 1 << AT91SAM9261_ID_SSC0,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc1_clk = {
.name = "ssc1_clk",
.pmc_mask = 1 << AT91SAM9261_ID_SSC1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc2_clk = {
.name = "ssc2_clk",
.pmc_mask = 1 << AT91SAM9261_ID_SSC2,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk tc0_clk = {
.name = "tc0_clk",
.pmc_mask = 1 << AT91SAM9261_ID_TC0,
......@@ -135,7 +150,9 @@ static struct clk *periph_clocks[] __initdata = {
&twi_clk,
&spi0_clk,
&spi1_clk,
// ssc 0 .. ssc2
&ssc0_clk,
&ssc1_clk,
&ssc2_clk,
&tc0_clk,
&tc1_clk,
&tc2_clk,
......
arch/arm/mach-at91/at91sam9261_devices.c
浏览文件 @ 6f95416e
......@@ -430,9 +430,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
* LCD Controller
* -------------------------------------------------------------------- */
#if defined(CONFIG_FB_AT91) || defined(CONFIG_FB_AT91_MODULE)
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static u64 lcdc_dmamask = 0xffffffffUL;
static struct at91fb_info lcdc_data;
static struct atmel_lcdfb_info lcdc_data;
static struct resource lcdc_resources[] = {
[0] = {
......@@ -455,7 +455,7 @@ static struct resource lcdc_resources[] = {
};
static struct platform_device at91_lcdc_device = {
.name = "at91-fb",
.name = "atmel_lcdfb",
.id = 0,
.dev = {
.dma_mask = &lcdc_dmamask,
......@@ -466,7 +466,7 @@ static struct platform_device at91_lcdc_device = {
.num_resources = ARRAY_SIZE(lcdc_resources),
};
void __init at91_add_device_lcdc(struct at91fb_info *data)
void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
{
if (!data) {
return;
......@@ -499,7 +499,7 @@ void __init at91_add_device_lcdc(struct at91fb_info *data)
platform_device_register(&at91_lcdc_device);
}
#else
void __init at91_add_device_lcdc(struct at91fb_info *data) {}
void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
#endif
......
arch/arm/mach-at91/at91sam9263.c
浏览文件 @ 6f95416e
......@@ -87,6 +87,11 @@ static struct clk mmc1_clk = {
.pmc_mask = 1 << AT91SAM9263_ID_MCI1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk can_clk = {
.name = "can_clk",
.pmc_mask = 1 << AT91SAM9263_ID_CAN,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk twi_clk = {
.name = "twi_clk",
.pmc_mask = 1 << AT91SAM9263_ID_TWI,
......@@ -102,16 +107,46 @@ static struct clk spi1_clk = {
.pmc_mask = 1 << AT91SAM9263_ID_SPI1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc0_clk = {
.name = "ssc0_clk",
.pmc_mask = 1 << AT91SAM9263_ID_SSC0,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ssc1_clk = {
.name = "ssc1_clk",
.pmc_mask = 1 << AT91SAM9263_ID_SSC1,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk ac97_clk = {
.name = "ac97_clk",
.pmc_mask = 1 << AT91SAM9263_ID_AC97C,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk tcb_clk = {
.name = "tcb_clk",
.pmc_mask = 1 << AT91SAM9263_ID_TCB,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk pwmc_clk = {
.name = "pwmc_clk",
.pmc_mask = 1 << AT91SAM9263_ID_PWMC,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk macb_clk = {
.name = "macb_clk",
.pmc_mask = 1 << AT91SAM9263_ID_EMAC,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk dma_clk = {
.name = "dma_clk",
.pmc_mask = 1 << AT91SAM9263_ID_DMA,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk twodge_clk = {
.name = "2dge_clk",
.pmc_mask = 1 << AT91SAM9263_ID_2DGE,
.type = CLK_TYPE_PERIPHERAL,
};
static struct clk udc_clk = {
.name = "udc_clk",
.pmc_mask = 1 << AT91SAM9263_ID_UDP,
......@@ -142,20 +177,21 @@ static struct clk *periph_clocks[] __initdata = {
&usart2_clk,
&mmc0_clk,
&mmc1_clk,
// can
&can_clk,
&twi_clk,
&spi0_clk,
&spi1_clk,
// ssc0 .. ssc1
// ac97
&ssc0_clk,
&ssc1_clk,
&ac97_clk,
&tcb_clk,
// pwmc
&pwmc_clk,
&macb_clk,
// 2dge
&twodge_clk,
&udc_clk,
&isi_clk,
&lcdc_clk,
// dma
&dma_clk,
&ohci_clk,
// irq0 .. irq1
};
......
arch/arm/mach-at91/at91sam9263_devices.c
浏览文件 @ 6f95416e
......@@ -572,6 +572,130 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
#endif
/* --------------------------------------------------------------------
* AC97
* -------------------------------------------------------------------- */
#if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
static u64 ac97_dmamask = 0xffffffffUL;
static struct atmel_ac97_data ac97_data;
static struct resource ac97_resources[] = {
[0] = {
.start = AT91SAM9263_BASE_AC97C,
.end = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9263_ID_AC97C,
.end = AT91SAM9263_ID_AC97C,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9263_ac97_device = {
.name = "ac97c",
.id = 1,
.dev = {
.dma_mask = &ac97_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &ac97_data,
},
.resource = ac97_resources,
.num_resources = ARRAY_SIZE(ac97_resources),
};
void __init at91_add_device_ac97(struct atmel_ac97_data *data)
{
if (!data)
return;
at91_set_A_periph(AT91_PIN_PB0, 0); /* AC97FS */
at91_set_A_periph(AT91_PIN_PB1, 0); /* AC97CK */
at91_set_A_periph(AT91_PIN_PB2, 0); /* AC97TX */
at91_set_A_periph(AT91_PIN_PB3, 0); /* AC97RX */
/* reset */
if (data->reset_pin)
at91_set_gpio_output(data->reset_pin, 0);
ac97_data = *ek_data;
platform_device_register(&at91sam9263_ac97_device);
}
#else
void __init at91_add_device_ac97(struct atmel_ac97_data *data) {}
#endif
/* --------------------------------------------------------------------
* LCD Controller
* -------------------------------------------------------------------- */
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static u64 lcdc_dmamask = 0xffffffffUL;
static struct atmel_lcdfb_info lcdc_data;
static struct resource lcdc_resources[] = {
[0] = {
.start = AT91SAM9263_LCDC_BASE,
.end = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9263_ID_LCDC,
.end = AT91SAM9263_ID_LCDC,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91_lcdc_device = {
.name = "atmel_lcdfb",
.id = 0,
.dev = {
.dma_mask = &lcdc_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &lcdc_data,
},
.resource = lcdc_resources,
.num_resources = ARRAY_SIZE(lcdc_resources),
};
void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
{
if (!data)
return;
at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
lcdc_data = *data;
platform_device_register(&at91_lcdc_device);
}
#else
void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
#endif
/* --------------------------------------------------------------------
* LEDs
* -------------------------------------------------------------------- */
......
arch/arm/mach-at91/board-picotux200.c 0 → 100644
浏览文件 @ 6f95416e
/*
* linux/arch/arm/mach-at91/board-picotux200.c
*
* Copyright (C) 2005 SAN People
* Copyright (C) 2007 Kleinhenz Elektronik GmbH
*
* 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/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/mtd/physmap.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/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91rm9200_mc.h>
#include "generic.h"
/*
* Serial port configuration.
* 0 .. 3 = USART0 .. USART3
* 4 = DBGU
*/
static struct at91_uart_config __initdata picotux200_uart_config = {
.console_tty = 0, /* ttyS0 */
.nr_tty = 2,
.tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
};
static void __init picotux200_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91rm9200_initialize(18432000, AT91RM9200_BGA);
/* Setup the serial ports and console */
at91_init_serial(&picotux200_uart_config);
}
static void __init picotux200_init_irq(void)
{
at91rm9200_init_interrupts(NULL);
}
static struct at91_eth_data __initdata picotux200_eth_data = {
.phy_irq_pin = AT91_PIN_PC4,
.is_rmii = 1,
};
static struct at91_usbh_data __initdata picotux200_usbh_data = {
.ports = 1,
};
// static struct at91_udc_data __initdata picotux200_udc_data = {
// .vbus_pin = AT91_PIN_PD4,
// .pullup_pin = AT91_PIN_PD5,
// };
static struct at91_mmc_data __initdata picotux200_mmc_data = {
.det_pin = AT91_PIN_PB27,
.slot_b = 0,
.wire4 = 1,
.wp_pin = AT91_PIN_PA17,
};
// static struct spi_board_info picotux200_spi_devices[] = {
// { /* DataFlash chip */
// .modalias = "mtd_dataflash",
// .chip_select = 0,
// .max_speed_hz = 15 * 1000 * 1000,
// },
// #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
// { /* DataFlash card */
// .modalias = "mtd_dataflash",
// .chip_select = 3,
// .max_speed_hz = 15 * 1000 * 1000,
// },
// #endif
// };
#define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
#define PICOTUX200_FLASH_SIZE 0x400000
static struct physmap_flash_data picotux200_flash_data = {
.width = 2,
};
static struct resource picotux200_flash_resource = {
.start = PICOTUX200_FLASH_BASE,
.end = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device picotux200_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &picotux200_flash_data,
},
.resource = &picotux200_flash_resource,
.num_resources = 1,
};
static void __init picotux200_board_init(void)
{
/* Serial */
at91_add_device_serial();
/* Ethernet */
at91_add_device_eth(&picotux200_eth_data);
/* USB Host */
at91_add_device_usbh(&picotux200_usbh_data);
/* USB Device */
// at91_add_device_udc(&picotux200_udc_data);
// at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
/* I2C */
at91_add_device_i2c();
/* SPI */
// at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
/* DataFlash card */
at91_set_gpio_output(AT91_PIN_PB22, 0);
#else
/* MMC */
at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
at91_add_device_mmc(0, &picotux200_mmc_data);
#endif
/* NOR Flash */
platform_device_register(&picotux200_flash);
}
MACHINE_START(PICOTUX2XX, "picotux 200")
/* Maintainer: Kleinhenz Elektronik GmbH */
.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 = picotux200_map_io,
.init_irq = picotux200_init_irq,
.init_machine = picotux200_board_init,
MACHINE_END
arch/arm/mach-at91/board-sam9260ek.c
浏览文件 @ 6f95416e
......@@ -104,9 +104,9 @@ static struct spi_board_info ek_spi_devices[] = {
},
#endif
#endif
#if defined(CONFIG_SND_AT73C213)
#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
{ /* AT73C213 DAC */
.modalias = "snd_at73c213",
.modalias = "at73c213",
.chip_select = 0,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 1,
......@@ -118,7 +118,7 @@ static struct spi_board_info ek_spi_devices[] = {
/*
* MACB Ethernet device
*/
static struct __initdata at91_eth_data ek_macb_data = {
static struct at91_eth_data __initdata ek_macb_data = {
.phy_irq_pin = AT91_PIN_PA7,
.is_rmii = 1,
};
......@@ -140,7 +140,7 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
},
};
static struct mtd_partition *nand_partitions(int size, int *num_partitions)
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
*num_partitions = ARRAY_SIZE(ek_nand_partition);
return ek_nand_partition;
......@@ -188,6 +188,8 @@ static void __init ek_board_init(void)
at91_add_device_eth(&ek_macb_data);
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
/* I2C */
at91_add_device_i2c();
}
MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
......
arch/arm/mach-at91/board-sam9261ek.c
浏览文件 @ 6f95416e
......@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/dm9000.h>
#include <asm/hardware.h>
......@@ -194,6 +195,41 @@ static struct at91_nand_data __initdata ek_nand_data = {
#endif
};
/*
* ADS7846 Touchscreen
*/
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
static int ads7843_pendown_state(void)
{
return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
}
static struct ads7846_platform_data ads_info = {
.model = 7843,
.x_min = 150,
.x_max = 3830,
.y_min = 190,
.y_max = 3830,
.vref_delay_usecs = 100,
.x_plate_ohms = 450,
.y_plate_ohms = 250,
.pressure_max = 15000,
.debounce_max = 1,
.debounce_rep = 0,
.debounce_tol = (~0),
.get_pendown_state = ads7843_pendown_state,
};
static void __init ek_add_device_ts(void)
{
at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
}
#else
static void __init ek_add_device_ts(void) {}
#endif
/*
* SPI devices
*/
......@@ -204,6 +240,16 @@ static struct spi_board_info ek_spi_devices[] = {
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
{
.modalias = "ads7846",
.chip_select = 2,
.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91SAM9261_ID_IRQ0,
},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
{ /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
.modalias = "mtd_dataflash",
......@@ -211,9 +257,9 @@ static struct spi_board_info ek_spi_devices[] = {
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#elif defined(CONFIG_SND_AT73C213)
#elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
{ /* AT73C213 DAC */
.modalias = "snd_at73c213",
.modalias = "at73c213",
.chip_select = 3,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
......@@ -241,6 +287,8 @@ static void __init ek_board_init(void)
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
/* SPI */
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
#else
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
......
arch/arm/mach-at91/board-sam9263ek.c
浏览文件 @ 6f95416e
......@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <asm/hardware.h>
#include <asm/setup.h>
......@@ -85,6 +86,40 @@ static struct at91_udc_data __initdata ek_udc_data = {
};
/*
* ADS7846 Touchscreen
*/
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
static int ads7843_pendown_state(void)
{
return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
}
static struct ads7846_platform_data ads_info = {
.model = 7843,
.x_min = 150,
.x_max = 3830,
.y_min = 190,
.y_max = 3830,
.vref_delay_usecs = 100,
.x_plate_ohms = 450,
.y_plate_ohms = 250,
.pressure_max = 15000,
.debounce_max = 1,
.debounce_rep = 0,
.debounce_tol = (~0),
.get_pendown_state = ads7843_pendown_state,
};
static void __init ek_add_device_ts(void)
{
at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
}
#else
static void __init ek_add_device_ts(void) {}
#endif
/*
* SPI devices.
*/
......@@ -97,6 +132,16 @@ static struct spi_board_info ek_spi_devices[] = {
.bus_num = 0,
},
#endif
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
{
.modalias = "ads7846",
.chip_select = 3,
.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91SAM9263_ID_IRQ1,
},
#endif
};
......@@ -111,6 +156,14 @@ static struct at91_mmc_data __initdata ek_mmc_data = {
};
/*
* MACB Ethernet device
*/
static struct at91_eth_data __initdata ek_macb_data = {
.is_rmii = 1,
};
/*
* NAND flash
*/
......@@ -148,6 +201,14 @@ static struct at91_nand_data __initdata ek_nand_data = {
};
/*
* AC97
*/
static struct atmel_ac97_data ek_ac97_data = {
.reset_pin = AT91_PIN_PA13,
};
static void __init ek_board_init(void)
{
/* Serial */
......@@ -157,11 +218,20 @@ static void __init ek_board_init(void)
/* USB Device */
at91_add_device_udc(&ek_udc_data);
/* SPI */
at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
/* MMC */
at91_add_device_mmc(1, &ek_mmc_data);
/* Ethernet */
at91_add_device_eth(&ek_macb_data);
/* NAND */
at91_add_device_nand(&ek_nand_data);
/* I2C */
at91_add_device_i2c();
/* AC97 */
at91_add_device_ac97(&ek_ac97_data);
}
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
......
arch/arm/mach-ep93xx/clock.c
浏览文件 @ 6f95416e
......@@ -27,6 +27,10 @@ struct clk {
u32 enable_mask;
};
static struct clk clk_uart = {
.name = "UARTCLK",
.rate = 14745600,
};
static struct clk clk_pll1 = {
.name = "pll1",
};
......@@ -50,6 +54,7 @@ static struct clk clk_usb_host = {
static struct clk *clocks[] = {
&clk_uart,
&clk_pll1,
&clk_f,
&clk_h,
......
arch/arm/mach-iop13xx/Makefile
浏览文件 @ 6f95416e
......@@ -7,5 +7,6 @@ obj-$(CONFIG_ARCH_IOP13XX) += setup.o
obj-$(CONFIG_ARCH_IOP13XX) += irq.o
obj-$(CONFIG_ARCH_IOP13XX) += pci.o
obj-$(CONFIG_ARCH_IOP13XX) += io.o
obj-$(CONFIG_ARCH_IOP13XX) += tpmi.o
obj-$(CONFIG_MACH_IQ81340SC) += iq81340sc.o
obj-$(CONFIG_MACH_IQ81340MC) += iq81340mc.o
arch/arm/mach-iop13xx/iq81340mc.c
浏览文件 @ 6f95416e
......@@ -75,11 +75,14 @@ static void __init iq81340mc_init(void)
{
iop13xx_platform_init();
iq81340mc_pci_init();
iop13xx_add_tpmi_devices();
}
static void __init iq81340mc_timer_init(void)
{
iop_init_time(400000000);
unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
printk(KERN_DEBUG "%s: bus frequency: %lu\n", __FUNCTION__, bus_freq);
iop_init_time(bus_freq);
}
static struct sys_timer iq81340mc_timer = {
......
arch/arm/mach-iop13xx/iq81340sc.c
浏览文件 @ 6f95416e
......@@ -77,11 +77,14 @@ static void __init iq81340sc_init(void)
{
iop13xx_platform_init();
iq81340sc_pci_init();
iop13xx_add_tpmi_devices();
}
static void __init iq81340sc_timer_init(void)
{
iop_init_time(400000000);
unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
printk(KERN_DEBUG "%s: bus frequency: %lu\n", __FUNCTION__, bus_freq);
iop_init_time(bus_freq);
}
static struct sys_timer iq81340sc_timer = {
......
arch/arm/mach-iop13xx/pci.c
浏览文件 @ 6f95416e
......@@ -1023,7 +1023,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)
<< IOP13XX_ATUX_PCIXSR_FUNC_NUM;
__raw_writel(pcixsr, IOP13XX_ATUX_PCIXSR);
res[0].start = IOP13XX_PCIX_LOWER_IO_PA;
res[0].start = IOP13XX_PCIX_LOWER_IO_PA + IOP13XX_PCIX_IO_BUS_OFFSET;
res[0].end = IOP13XX_PCIX_UPPER_IO_PA;
res[0].name = "IQ81340 ATUX PCI I/O Space";
res[0].flags = IORESOURCE_IO;
......@@ -1033,7 +1033,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)
res[1].name = "IQ81340 ATUX PCI Memory Space";
res[1].flags = IORESOURCE_MEM;
sys->mem_offset = IOP13XX_PCIX_MEM_OFFSET;
sys->io_offset = IOP13XX_PCIX_IO_OFFSET;
sys->io_offset = IOP13XX_PCIX_LOWER_IO_PA;
break;
case IOP13XX_INIT_ATU_ATUE:
/* Note: the function number field in the PCSR is ro */
......@@ -1044,7 +1044,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)
__raw_writel(pcsr, IOP13XX_ATUE_PCSR);
res[0].start = IOP13XX_PCIE_LOWER_IO_PA;
res[0].start = IOP13XX_PCIE_LOWER_IO_PA + IOP13XX_PCIE_IO_BUS_OFFSET;
res[0].end = IOP13XX_PCIE_UPPER_IO_PA;
res[0].name = "IQ81340 ATUE PCI I/O Space";
res[0].flags = IORESOURCE_IO;
......@@ -1054,7 +1054,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)
res[1].name = "IQ81340 ATUE PCI Memory Space";
res[1].flags = IORESOURCE_MEM;
sys->mem_offset = IOP13XX_PCIE_MEM_OFFSET;
sys->io_offset = IOP13XX_PCIE_IO_OFFSET;
sys->io_offset = IOP13XX_PCIE_LOWER_IO_PA;
sys->map_irq = iop13xx_pcie_map_irq;
break;
default:
......
arch/arm/mach-iop13xx/setup.c
浏览文件 @ 6f95416e
......@@ -258,15 +258,11 @@ void __init iop13xx_platform_init(void)
if (init_uart == IOP13XX_INIT_UART_DEFAULT) {
switch (iop13xx_dev_id()) {
/* enable both uarts on iop341 and iop342 */
/* enable both uarts on iop341 */
case 0x3380:
case 0x3384:
case 0x3388:
case 0x338c:
case 0x3382:
case 0x3386:
case 0x338a:
case 0x338e:
init_uart |= IOP13XX_INIT_UART_0;
init_uart |= IOP13XX_INIT_UART_1;
break;
......
arch/arm/mach-iop13xx/tpmi.c 0 → 100644
浏览文件 @ 6f95416e
/*
* iop13xx tpmi device resources
* Copyright (c) 2005-2006, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/sizes.h>
/* assumes CONTROLLER_ONLY# is never asserted in the ESSR register */
#define IOP13XX_TPMI_MMR(dev) IOP13XX_REG_ADDR32_PHYS(0x48000 + (dev << 12))
#define IOP13XX_TPMI_MEM(dev) IOP13XX_REG_ADDR32_PHYS(0x60000 + (dev << 13))
#define IOP13XX_TPMI_CTRL(dev) IOP13XX_REG_ADDR32_PHYS(0x50000 + (dev << 10))
#define IOP13XX_TPMI_MMR_SIZE (SZ_4K - 1)
#define IOP13XX_TPMI_MEM_SIZE (255)
#define IOP13XX_TPMI_MEM_CTRL (SZ_1K - 1)
#define IOP13XX_TPMI_RESOURCE_MMR 0
#define IOP13XX_TPMI_RESOURCE_MEM 1
#define IOP13XX_TPMI_RESOURCE_CTRL 2
#define IOP13XX_TPMI_RESOURCE_IRQ 3
static struct resource iop13xx_tpmi_0_resources[] = {
[IOP13XX_TPMI_RESOURCE_MMR] = {
.start = IOP13XX_TPMI_MMR(4), /* tpmi0 starts at dev == 4 */
.end = IOP13XX_TPMI_MMR(4) + IOP13XX_TPMI_MMR_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_MEM] = {
.start = IOP13XX_TPMI_MEM(0),
.end = IOP13XX_TPMI_MEM(0) + IOP13XX_TPMI_MEM_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_CTRL] = {
.start = IOP13XX_TPMI_CTRL(0),
.end = IOP13XX_TPMI_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI0_OUT,
.end = IRQ_IOP13XX_TPMI0_OUT,
.flags = IORESOURCE_IRQ
}
};
static struct resource iop13xx_tpmi_1_resources[] = {
[IOP13XX_TPMI_RESOURCE_MMR] = {
.start = IOP13XX_TPMI_MMR(1),
.end = IOP13XX_TPMI_MMR(1) + IOP13XX_TPMI_MMR_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_MEM] = {
.start = IOP13XX_TPMI_MEM(1),
.end = IOP13XX_TPMI_MEM(1) + IOP13XX_TPMI_MEM_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_CTRL] = {
.start = IOP13XX_TPMI_CTRL(1),
.end = IOP13XX_TPMI_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI1_OUT,
.end = IRQ_IOP13XX_TPMI1_OUT,
.flags = IORESOURCE_IRQ
}
};
static struct resource iop13xx_tpmi_2_resources[] = {
[IOP13XX_TPMI_RESOURCE_MMR] = {
.start = IOP13XX_TPMI_MMR(2),
.end = IOP13XX_TPMI_MMR(2) + IOP13XX_TPMI_MMR_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_MEM] = {
.start = IOP13XX_TPMI_MEM(2),
.end = IOP13XX_TPMI_MEM(2) + IOP13XX_TPMI_MEM_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_CTRL] = {
.start = IOP13XX_TPMI_CTRL(2),
.end = IOP13XX_TPMI_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI2_OUT,
.end = IRQ_IOP13XX_TPMI2_OUT,
.flags = IORESOURCE_IRQ
}
};
static struct resource iop13xx_tpmi_3_resources[] = {
[IOP13XX_TPMI_RESOURCE_MMR] = {
.start = IOP13XX_TPMI_MMR(3),
.end = IOP13XX_TPMI_MMR(3) + IOP13XX_TPMI_MMR_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_MEM] = {
.start = IOP13XX_TPMI_MEM(3),
.end = IOP13XX_TPMI_MEM(3) + IOP13XX_TPMI_MEM_SIZE,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_CTRL] = {
.start = IOP13XX_TPMI_CTRL(3),
.end = IOP13XX_TPMI_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI3_OUT,
.end = IRQ_IOP13XX_TPMI3_OUT,
.flags = IORESOURCE_IRQ
}
};
u64 iop13xx_tpmi_mask = DMA_64BIT_MASK;
static struct platform_device iop13xx_tpmi_0_device = {
.name = "iop-tpmi",
.id = 0,
.num_resources = 4,
.resource = iop13xx_tpmi_0_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
.coherent_dma_mask = DMA_64BIT_MASK,
},
};
static struct platform_device iop13xx_tpmi_1_device = {
.name = "iop-tpmi",
.id = 1,
.num_resources = 4,
.resource = iop13xx_tpmi_1_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
.coherent_dma_mask = DMA_64BIT_MASK,
},
};
static struct platform_device iop13xx_tpmi_2_device = {
.name = "iop-tpmi",
.id = 2,
.num_resources = 4,
.resource = iop13xx_tpmi_2_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
.coherent_dma_mask = DMA_64BIT_MASK,
},
};
static struct platform_device iop13xx_tpmi_3_device = {
.name = "iop-tpmi",
.id = 3,
.num_resources = 4,
.resource = iop13xx_tpmi_3_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
.coherent_dma_mask = DMA_64BIT_MASK,
},
};
__init void iop13xx_add_tpmi_devices(void)
{
unsigned short device_id;
/* tpmi's not present on iop341 or iop342 */
if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX)
/* ATUE must be present */
device_id = __raw_readw(IOP13XX_ATUE_DID);
else
/* ATUX must be present */
device_id = __raw_readw(IOP13XX_ATUX_DID);
switch (device_id) {
/* iop34[1|2] 0-tpmi */
case 0x3380:
case 0x3384:
case 0x3388:
case 0x338c:
case 0x3382:
case 0x3386:
case 0x338a:
case 0x338e:
return;
/* iop348 1-tpmi */
case 0x3310:
case 0x3312:
case 0x3314:
case 0x3318:
case 0x331a:
case 0x331c:
case 0x33c0:
case 0x33c2:
case 0x33c4:
case 0x33c8:
case 0x33ca:
case 0x33cc:
case 0x33b0:
case 0x33b2:
case 0x33b4:
case 0x33b8:
case 0x33ba:
case 0x33bc:
case 0x3320:
case 0x3322:
case 0x3324:
case 0x3328:
case 0x332a:
case 0x332c:
platform_device_register(&iop13xx_tpmi_0_device);
return;
default:
platform_device_register(&iop13xx_tpmi_0_device);
platform_device_register(&iop13xx_tpmi_1_device);
platform_device_register(&iop13xx_tpmi_2_device);
platform_device_register(&iop13xx_tpmi_3_device);
return;
}
}
arch/arm/mach-iop32x/Kconfig
浏览文件 @ 6f95416e
......@@ -34,6 +34,14 @@ config MACH_N2100
Say Y here if you want to run your kernel on the Thecus n2100
NAS appliance.
config IOP3XX_ATU
bool "Enable the PCI Controller"
default y
help
Say Y here if you want the IOP to initialize its PCI Controller.
Say N if the IOP is an add in card, the host system owns the PCI
bus in this case.
endmenu
endif
arch/arm/mach-iop32x/iq31244.c
浏览文件 @ 6f95416e
......@@ -178,9 +178,10 @@ static struct hw_pci iq31244_pci __initdata = {
static int __init iq31244_pci_init(void)
{
if (is_ep80219())
pci_common_init(&ep80219_pci);
else if (machine_is_iq31244()) {
if (is_ep80219()) {
if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
pci_common_init(&ep80219_pci);
} else if (machine_is_iq31244()) {
if (is_80219()) {
printk("note: iq31244 board type has been selected\n");
printk("note: to select ep80219 operation:\n");
......@@ -189,7 +190,9 @@ static int __init iq31244_pci_init(void)
printk("\t2/ update boot loader to pass"
" the ep80219 id: %d\n", MACH_TYPE_EP80219);
}
pci_common_init(&iq31244_pci);
if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
pci_common_init(&iq31244_pci);
}
return 0;
......
arch/arm/mach-iop32x/iq80321.c
浏览文件 @ 6f95416e
......@@ -113,7 +113,8 @@ static struct hw_pci iq80321_pci __initdata = {
static int __init iq80321_pci_init(void)
{
if (machine_is_iq80321())
if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
machine_is_iq80321())
pci_common_init(&iq80321_pci);
return 0;
......
arch/arm/mach-iop33x/Kconfig
浏览文件 @ 6f95416e
......@@ -16,6 +16,14 @@ config MACH_IQ80332
Say Y here if you want to run your kernel on the Intel IQ80332
evaluation kit for the IOP332 chipset.
config IOP3XX_ATU
bool "Enable the PCI Controller"
default y
help
Say Y here if you want the IOP to initialize its PCI Controller.
Say N if the IOP is an add in card, the host system owns the PCI
bus in this case.
endmenu
endif
arch/arm/mach-iop33x/iq80331.c
浏览文件 @ 6f95416e
......@@ -96,7 +96,8 @@ static struct hw_pci iq80331_pci __initdata = {
static int __init iq80331_pci_init(void)
{
if (machine_is_iq80331())
if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
machine_is_iq80331())
pci_common_init(&iq80331_pci);
return 0;
......
arch/arm/mach-iop33x/iq80332.c
浏览文件 @ 6f95416e
......@@ -96,7 +96,8 @@ static struct hw_pci iq80332_pci __initdata = {
static int __init iq80332_pci_init(void)
{
if (machine_is_iq80332())
if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
machine_is_iq80332())
pci_common_init(&iq80332_pci);
return 0;
......
arch/arm/mach-ixp4xx/common.c
浏览文件 @ 6f95416e
......@@ -27,6 +27,7 @@
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/arch/udc.h>
#include <asm/hardware.h>
......@@ -41,6 +42,8 @@
#include <asm/mach/time.h>
static int __init ixp4xx_clocksource_init(void);
static int __init ixp4xx_clockevent_init(void);
static struct clock_event_device clockevent_ixp4xx;
/*************************************************************************
* IXP4xx chipset I/O mapping
......@@ -239,52 +242,40 @@ void __init ixp4xx_init_irq(void)
* counter as a source of real clock ticks to account for missed jiffies.
*************************************************************************/
static unsigned volatile last_jiffy_time;
#define CLOCK_TICKS_PER_USEC ((CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC)
static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
{
write_seqlock(&xtime_lock);
struct clock_event_device *evt = &clockevent_ixp4xx;
/* Clear Pending Interrupt by writing '1' to it */
*IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
/*
* Catch up with the real idea of time
*/
while ((signed long)(*IXP4XX_OSTS - last_jiffy_time) >= LATCH) {
timer_tick();
last_jiffy_time += LATCH;
}
write_sequnlock(&xtime_lock);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction ixp4xx_timer_irq = {
.name = "IXP4xx Timer Tick",
.name = "timer1",
.flags = IRQF_DISABLED | IRQF_TIMER,
.handler = ixp4xx_timer_interrupt,
};
static void __init ixp4xx_timer_init(void)
{
/* Reset/disable counter */
*IXP4XX_OSRT1 = 0;
/* Clear Pending Interrupt by writing '1' to it */
*IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
/* Setup the Timer counter value */
*IXP4XX_OSRT1 = (LATCH & ~IXP4XX_OST_RELOAD_MASK) | IXP4XX_OST_ENABLE;
/* Reset time-stamp counter */
*IXP4XX_OSTS = 0;
last_jiffy_time = 0;
/* Connect the interrupt handler and enable the interrupt */
setup_irq(IRQ_IXP4XX_TIMER1, &ixp4xx_timer_irq);
ixp4xx_clocksource_init();
ixp4xx_clockevent_init();
}
struct sys_timer ixp4xx_timer = {
......@@ -384,6 +375,9 @@ void __init ixp4xx_sys_init(void)
ixp4xx_exp_bus_size >> 20);
}
/*
* clocksource
*/
cycle_t ixp4xx_get_cycles(void)
{
return *IXP4XX_OSTS;
......@@ -408,3 +402,64 @@ static int __init ixp4xx_clocksource_init(void)
return 0;
}
/*
* clockevents
*/
static int ixp4xx_set_next_event(unsigned long evt,
struct clock_event_device *unused)
{
unsigned long opts = *IXP4XX_OSRT1 & IXP4XX_OST_RELOAD_MASK;
*IXP4XX_OSRT1 = (evt & ~IXP4XX_OST_RELOAD_MASK) | opts;
return 0;
}
static void ixp4xx_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
unsigned long opts, osrt = *IXP4XX_OSRT1 & ~IXP4XX_OST_RELOAD_MASK;
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
osrt = LATCH & ~IXP4XX_OST_RELOAD_MASK;
opts = IXP4XX_OST_ENABLE;
break;
case CLOCK_EVT_MODE_ONESHOT:
/* period set by 'set next_event' */
osrt = 0;
opts = IXP4XX_OST_ENABLE | IXP4XX_OST_ONE_SHOT;
break;
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_UNUSED:
default:
osrt = opts = 0;
break;
}
*IXP4XX_OSRT1 = osrt | opts;
}
static struct clock_event_device clockevent_ixp4xx = {
.name = "ixp4xx timer1",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.rating = 200,
.shift = 24,
.set_mode = ixp4xx_set_mode,
.set_next_event = ixp4xx_set_next_event,
};
static int __init ixp4xx_clockevent_init(void)
{
clockevent_ixp4xx.mult = div_sc(FREQ, NSEC_PER_SEC,
clockevent_ixp4xx.shift);
clockevent_ixp4xx.max_delta_ns =
clockevent_delta2ns(0xfffffffe, &clockevent_ixp4xx);
clockevent_ixp4xx.min_delta_ns =
clockevent_delta2ns(0xf, &clockevent_ixp4xx);
clockevent_ixp4xx.cpumask = cpumask_of_cpu(0);
clockevents_register_device(&clockevent_ixp4xx);
return 0;
}
arch/arm/mach-ns9xxx/Kconfig
浏览文件 @ 6f95416e
......@@ -3,19 +3,30 @@ if ARCH_NS9XXX
menu "NS9xxx Implementations"
config MACH_CC9P9360DEV
bool "Connect Core 9P 9360 on an A9M9750 Devboard"
bool "ConnectCore 9P 9360 on an A9M9750 Devboard"
select PROCESSOR_NS9360
select BOARD_A9M9750DEV
help
Say Y here if you are using the Digi Connect Core 9P 9360
Say Y here if you are using the Digi ConnectCore 9P 9360
on an A9M9750 Development Board.
config MACH_CC9P9360JS
bool "ConnectCore 9P 9360 on a JSCC9P9360 Devboard"
select PROCESSOR_NS9360
select BOARD_JSCC9P9360
help
Say Y here if you are using the Digi ConnectCore 9P 9360
on an JSCC9P9360 Development Board.
config PROCESSOR_NS9360
bool
config BOARD_A9M9750DEV
bool
config BOARD_JSCC9P9360
bool
endmenu
endif
arch/arm/mach-ns9xxx/Makefile
浏览文件 @ 6f95416e
......@@ -3,3 +3,4 @@ obj-y := irq.o time.o generic.o
obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o
obj-$(CONFIG_BOARD_A9M9750DEV) += board-a9m9750dev.o
obj-$(CONFIG_BOARD_JSCC9P9360) += board-jscc9p9360.o
arch/arm/mach-ns9xxx/board-jscc9p9360.c 0 → 100644
浏览文件 @ 6f95416e
/*
* arch/arm/mach-ns9xxx/board-jscc9p9360.c
*
* Copyright (C) 2006,2007 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#include "board-jscc9p9360.h"
void __init board_jscc9p9360_init_machine(void)
{
/* TODO: reserve GPIOs for push buttons, etc pp */
}
arch/arm/mach-ns9xxx/board-jscc9p9360.h 0 → 100644
浏览文件 @ 6f95416e
/*
* arch/arm/mach-ns9xxx/board-jscc9p9360.h
*
* Copyright (C) 2006 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#include <linux/init.h>
void __init board_jscc9p9360_init_machine(void);
arch/arm/mach-ns9xxx/mach-cc9p9360js.c 0 → 100644
浏览文件 @ 6f95416e
/*
* arch/arm/mach-ns9xxx/mach-cc9p9360js.c
*
* Copyright (C) 2006 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include "board-jscc9p9360.h"
#include "generic.h"
static void __init mach_cc9p9360js_init_machine(void)
{
ns9xxx_init_machine();
board_jscc9p9360_init_machine();
}
MACHINE_START(CC9P9360DEV, "Digi ConnectCore 9P 9360 on an JSCC9P9360 Devboard")
.map_io = ns9xxx_map_io,
.init_irq = ns9xxx_init_irq,
.init_machine = mach_cc9p9360js_init_machine,
.timer = &ns9xxx_timer,
.boot_params = 0x100,
MACHINE_END
arch/arm/mach-omap1/time.c
浏览文件 @ 6f95416e
......@@ -39,6 +39,10 @@
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/system.h>
#include <asm/hardware.h>
......@@ -48,13 +52,7 @@
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
struct sys_timer omap_timer;
/*
* ---------------------------------------------------------------------------
* MPU timer
* ---------------------------------------------------------------------------
*/
#define OMAP_MPU_TIMER_BASE OMAP_MPU_TIMER1_BASE
#define OMAP_MPU_TIMER_OFFSET 0x100
......@@ -88,21 +86,6 @@ static inline unsigned long long cycles_2_ns(unsigned long long cyc)
return (cyc * cyc2ns_scale) >> CYC2NS_SCALE_FACTOR;
}
/*
* MPU_TICKS_PER_SEC must be an even number, otherwise machinecycles_to_usecs
* will break. On P2, the timer count rate is 6.5 MHz after programming PTV
* with 0. This divides the 13MHz input by 2, and is undocumented.
*/
#if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE)
/* REVISIT: This ifdef construct should be replaced by a query to clock
* framework to see if timer base frequency is 12.0, 13.0 or 19.2 MHz.
*/
#define MPU_TICKS_PER_SEC (13000000 / 2)
#else
#define MPU_TICKS_PER_SEC (12000000 / 2)
#endif
#define MPU_TIMER_TICK_PERIOD ((MPU_TICKS_PER_SEC / HZ) - 1)
typedef struct {
u32 cntl; /* CNTL_TIMER, R/W */
......@@ -120,98 +103,164 @@ static inline unsigned long omap_mpu_timer_read(int nr)
return timer->read_tim;
}
static inline void omap_mpu_timer_start(int nr, unsigned long load_val)
static inline void omap_mpu_set_autoreset(int nr)
{
volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
timer->cntl = MPU_TIMER_CLOCK_ENABLE;
udelay(1);
timer->load_tim = load_val;
udelay(1);
timer->cntl = (MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_AR | MPU_TIMER_ST);
timer->cntl = timer->cntl | MPU_TIMER_AR;
}
unsigned long omap_mpu_timer_ticks_to_usecs(unsigned long nr_ticks)
static inline void omap_mpu_remove_autoreset(int nr)
{
unsigned long long nsec;
volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
nsec = cycles_2_ns((unsigned long long)nr_ticks);
return (unsigned long)nsec / 1000;
timer->cntl = timer->cntl & ~MPU_TIMER_AR;
}
/*
* Last processed system timer interrupt
*/
static unsigned long omap_mpu_timer_last = 0;
static inline void omap_mpu_timer_start(int nr, unsigned long load_val,
int autoreset)
{
volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
unsigned int timerflags = (MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_ST);
if (autoreset) timerflags |= MPU_TIMER_AR;
timer->cntl = MPU_TIMER_CLOCK_ENABLE;
udelay(1);
timer->load_tim = load_val;
udelay(1);
timer->cntl = timerflags;
}
/*
* Returns elapsed usecs since last system timer interrupt
* ---------------------------------------------------------------------------
* MPU timer 1 ... count down to zero, interrupt, reload
* ---------------------------------------------------------------------------
*/
static unsigned long omap_mpu_timer_gettimeoffset(void)
static int omap_mpu_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
unsigned long now = 0 - omap_mpu_timer_read(0);
unsigned long elapsed = now - omap_mpu_timer_last;
omap_mpu_timer_start(0, cycles, 0);
return 0;
}
return omap_mpu_timer_ticks_to_usecs(elapsed);
static void omap_mpu_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
omap_mpu_set_autoreset(0);
break;
case CLOCK_EVT_MODE_ONESHOT:
omap_mpu_remove_autoreset(0);
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
break;
}
}
/*
* Elapsed time between interrupts is calculated using timer0.
* Latency during the interrupt is calculated using timer1.
* Both timer0 and timer1 are counting at 6MHz (P2 6.5MHz).
*/
static irqreturn_t omap_mpu_timer_interrupt(int irq, void *dev_id)
static struct clock_event_device clockevent_mpu_timer1 = {
.name = "mpu_timer1",
.features = CLOCK_EVT_FEAT_PERIODIC, CLOCK_EVT_FEAT_ONESHOT,
.shift = 32,
.set_next_event = omap_mpu_set_next_event,
.set_mode = omap_mpu_set_mode,
};
static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id)
{
unsigned long now, latency;
struct clock_event_device *evt = &clockevent_mpu_timer1;
write_seqlock(&xtime_lock);
now = 0 - omap_mpu_timer_read(0);
latency = MPU_TICKS_PER_SEC / HZ - omap_mpu_timer_read(1);
omap_mpu_timer_last = now - latency;
timer_tick();
write_sequnlock(&xtime_lock);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction omap_mpu_timer_irq = {
.name = "mpu timer",
static struct irqaction omap_mpu_timer1_irq = {
.name = "mpu_timer1",
.flags = IRQF_DISABLED | IRQF_TIMER,
.handler = omap_mpu_timer_interrupt,
.handler = omap_mpu_timer1_interrupt,
};
static unsigned long omap_mpu_timer1_overflows;
static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id)
static __init void omap_init_mpu_timer(unsigned long rate)
{
set_cyc2ns_scale(rate / 1000);
setup_irq(INT_TIMER1, &omap_mpu_timer1_irq);
omap_mpu_timer_start(0, (rate / HZ) - 1, 1);
clockevent_mpu_timer1.mult = div_sc(rate, NSEC_PER_SEC,
clockevent_mpu_timer1.shift);
clockevent_mpu_timer1.max_delta_ns =
clockevent_delta2ns(-1, &clockevent_mpu_timer1);
clockevent_mpu_timer1.min_delta_ns =
clockevent_delta2ns(1, &clockevent_mpu_timer1);
clockevent_mpu_timer1.cpumask = cpumask_of_cpu(0);
clockevents_register_device(&clockevent_mpu_timer1);
}
/*
* ---------------------------------------------------------------------------
* MPU timer 2 ... free running 32-bit clock source and scheduler clock
* ---------------------------------------------------------------------------
*/
static unsigned long omap_mpu_timer2_overflows;
static irqreturn_t omap_mpu_timer2_interrupt(int irq, void *dev_id)
{
omap_mpu_timer1_overflows++;
omap_mpu_timer2_overflows++;
return IRQ_HANDLED;
}
static struct irqaction omap_mpu_timer1_irq = {
.name = "mpu timer1 overflow",
static struct irqaction omap_mpu_timer2_irq = {
.name = "mpu_timer2",
.flags = IRQF_DISABLED,
.handler = omap_mpu_timer1_interrupt,
.handler = omap_mpu_timer2_interrupt,
};
static __init void omap_init_mpu_timer(void)
static cycle_t mpu_read(void)
{
set_cyc2ns_scale(MPU_TICKS_PER_SEC / 1000);
omap_timer.offset = omap_mpu_timer_gettimeoffset;
setup_irq(INT_TIMER1, &omap_mpu_timer1_irq);
setup_irq(INT_TIMER2, &omap_mpu_timer_irq);
omap_mpu_timer_start(0, 0xffffffff);
omap_mpu_timer_start(1, MPU_TIMER_TICK_PERIOD);
return ~omap_mpu_timer_read(1);
}
static struct clocksource clocksource_mpu = {
.name = "mpu_timer2",
.rating = 300,
.read = mpu_read,
.mask = CLOCKSOURCE_MASK(32),
.shift = 24,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void __init omap_init_clocksource(unsigned long rate)
{
static char err[] __initdata = KERN_ERR
"%s: can't register clocksource!\n";
clocksource_mpu.mult
= clocksource_khz2mult(rate/1000, clocksource_mpu.shift);
setup_irq(INT_TIMER2, &omap_mpu_timer2_irq);
omap_mpu_timer_start(1, ~0, 1);
if (clocksource_register(&clocksource_mpu))
printk(err, clocksource_mpu.name);
}
/*
* Scheduler clock - returns current time in nanosec units.
*/
unsigned long long sched_clock(void)
{
unsigned long ticks = 0 - omap_mpu_timer_read(0);
unsigned long ticks = 0 - omap_mpu_timer_read(1);
unsigned long long ticks64;
ticks64 = omap_mpu_timer1_overflows;
ticks64 = omap_mpu_timer2_overflows;
ticks64 <<= 32;
ticks64 |= ticks;
......@@ -225,10 +274,21 @@ unsigned long long sched_clock(void)
*/
static void __init omap_timer_init(void)
{
omap_init_mpu_timer();
struct clk *ck_ref = clk_get(NULL, "ck_ref");
unsigned long rate;
BUG_ON(IS_ERR(ck_ref));
rate = clk_get_rate(ck_ref);
clk_put(ck_ref);
/* PTV = 0 */
rate /= 2;
omap_init_mpu_timer(rate);
omap_init_clocksource(rate);
}
struct sys_timer omap_timer = {
.init = omap_timer_init,
.offset = NULL, /* Initialized later */
};
arch/arm/mach-pxa/generic.c
浏览文件 @ 6f95416e
......@@ -164,9 +164,9 @@ void pxa_set_cken(int clock, int enable)
local_irq_save(flags);
if (enable)
CKEN |= clock;
CKEN |= (1 << clock);
else
CKEN &= ~clock;
CKEN &= ~(1 << clock);
local_irq_restore(flags);
}
......
arch/arm/mach-pxa/irq.c
浏览文件 @ 6f95416e
......@@ -38,11 +38,33 @@ static void pxa_unmask_low_irq(unsigned int irq)
ICMR |= (1 << (irq + PXA_IRQ_SKIP));
}
static int pxa_set_wake(unsigned int irq, unsigned int on)
{
u32 mask;
switch (irq) {
case IRQ_RTCAlrm:
mask = PWER_RTC;
break;
#ifdef CONFIG_PXA27x
/* REVISIT can handle USBH1, USBH2, USB, MSL, USIM, ... */
#endif
default:
return -EINVAL;
}
if (on)
PWER |= mask;
else
PWER &= ~mask;
return 0;
}
static struct irq_chip pxa_internal_chip_low = {
.name = "SC",
.ack = pxa_mask_low_irq,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
.set_wake = pxa_set_wake,
};
#if PXA_INTERNAL_IRQS > 32
......@@ -70,6 +92,26 @@ static struct irq_chip pxa_internal_chip_high = {
#endif
/* Note that if an input/irq line ever gets changed to an output during
* suspend, the relevant PWER, PRER, and PFER bits should be cleared.
*/
#ifdef CONFIG_PXA27x
/* PXA27x: Various gpios can issue wakeup events. This logic only
* handles the simple cases, not the WEMUX2 and WEMUX3 options
*/
#define PXA27x_GPIO_NOWAKE_MASK \
((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
#define WAKEMASK(gpio) \
(((gpio) <= 15) \
? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
: ((gpio == 35) ? (1 << 24) : 0))
#else
/* pxa 210, 250, 255, 26x: gpios 0..15 can issue wakeups */
#define WAKEMASK(gpio) (((gpio) <= 15) ? (1 << (gpio)) : 0)
#endif
/*
* PXA GPIO edge detection for IRQs:
* IRQs are generated on Falling-Edge, Rising-Edge, or both.
......@@ -83,9 +125,11 @@ static long GPIO_IRQ_mask[4];
static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
{
int gpio, idx;
u32 mask;
gpio = IRQ_TO_GPIO(irq);
idx = gpio >> 5;
mask = WAKEMASK(gpio);
if (type == IRQT_PROBE) {
/* Don't mess with enabled GPIOs using preconfigured edges or
......@@ -105,14 +149,20 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
if (type & __IRQT_RISEDGE) {
/* printk("rising "); */
__set_bit (gpio, GPIO_IRQ_rising_edge);
} else
PRER |= mask;
} else {
__clear_bit (gpio, GPIO_IRQ_rising_edge);
PRER &= ~mask;
}
if (type & __IRQT_FALEDGE) {
/* printk("falling "); */
__set_bit (gpio, GPIO_IRQ_falling_edge);
} else
PFER |= mask;
} else {
__clear_bit (gpio, GPIO_IRQ_falling_edge);
PFER &= ~mask;
}
/* printk("edges\n"); */
......@@ -130,12 +180,29 @@ static void pxa_ack_low_gpio(unsigned int irq)
GEDR0 = (1 << (irq - IRQ_GPIO0));
}
static int pxa_set_gpio_wake(unsigned int irq, unsigned int on)
{
int gpio = IRQ_TO_GPIO(irq);
u32 mask = WAKEMASK(gpio);
if (!mask)
return -EINVAL;
if (on)
PWER |= mask;
else
PWER &= ~mask;
return 0;
}
static struct irq_chip pxa_low_gpio_chip = {
.name = "GPIO-l",
.ack = pxa_ack_low_gpio,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
.set_type = pxa_gpio_irq_type,
.set_wake = pxa_set_gpio_wake,
};
/*
......@@ -244,6 +311,7 @@ static struct irq_chip pxa_muxed_gpio_chip = {
.mask = pxa_mask_muxed_gpio,
.unmask = pxa_unmask_muxed_gpio,
.set_type = pxa_gpio_irq_type,
.set_wake = pxa_set_gpio_wake,
};
......
arch/arm/mach-pxa/lpd270.c
浏览文件 @ 6f95416e
......@@ -234,7 +234,7 @@ static void lpd270_backlight_power(int on)
{
if (on) {
pxa_gpio_mode(GPIO16_PWM0_MD);
pxa_set_cken(CKEN0_PWM0, 1);
pxa_set_cken(CKEN_PWM0, 1);
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x3ff;
PWM_PERVAL0 = 0x3ff;
......@@ -242,7 +242,7 @@ static void lpd270_backlight_power(int on)
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x0;
PWM_PERVAL0 = 0x3FF;
pxa_set_cken(CKEN0_PWM0, 0);
pxa_set_cken(CKEN_PWM0, 0);
}
}
......
arch/arm/mach-pxa/lubbock.c
浏览文件 @ 6f95416e
......@@ -220,7 +220,7 @@ static struct resource pxa_ssp_resources[] = {
static struct pxa2xx_spi_master pxa_ssp_master_info = {
.ssp_type = PXA25x_SSP,
.clock_enable = CKEN3_SSP,
.clock_enable = CKEN_SSP,
.num_chipselect = 0,
};
......
arch/arm/mach-pxa/mainstone.c
浏览文件 @ 6f95416e
......@@ -266,7 +266,7 @@ static void mainstone_backlight_power(int on)
{
if (on) {
pxa_gpio_mode(GPIO16_PWM0_MD);
pxa_set_cken(CKEN0_PWM0, 1);
pxa_set_cken(CKEN_PWM0, 1);
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x3ff;
PWM_PERVAL0 = 0x3ff;
......@@ -274,7 +274,7 @@ static void mainstone_backlight_power(int on)
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x0;
PWM_PERVAL0 = 0x3FF;
pxa_set_cken(CKEN0_PWM0, 0);
pxa_set_cken(CKEN_PWM0, 0);
}
}
......
arch/arm/mach-pxa/pxa27x.c
浏览文件 @ 6f95416e
......@@ -140,9 +140,9 @@ void pxa_cpu_pm_enter(suspend_state_t state)
extern void pxa_cpu_resume(void);
if (state == PM_SUSPEND_STANDBY)
CKEN = CKEN22_MEMC | CKEN9_OSTIMER | CKEN16_LCD |CKEN0_PWM0;
CKEN = CKEN_MEMC | CKEN_OSTIMER | CKEN_LCD | CKEN_PWM0;
else
CKEN = CKEN22_MEMC | CKEN9_OSTIMER;
CKEN = CKEN_MEMC | CKEN_OSTIMER;
/* ensure voltage-change sequencer not initiated, which hangs */
PCFR &= ~PCFR_FVC;
......
arch/arm/mach-pxa/ssp.c
浏览文件 @ 6f95416e
......@@ -52,13 +52,13 @@ struct ssp_info_ {
*/
static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = {
#if defined (CONFIG_PXA27x)
{IRQ_SSP, CKEN23_SSP1},
{IRQ_SSP2, CKEN3_SSP2},
{IRQ_SSP3, CKEN4_SSP3},
{IRQ_SSP, CKEN_SSP1},
{IRQ_SSP2, CKEN_SSP2},
{IRQ_SSP3, CKEN_SSP3},
#else
{IRQ_SSP, CKEN3_SSP},
{IRQ_NSSP, CKEN9_NSSP},
{IRQ_ASSP, CKEN10_ASSP},
{IRQ_SSP, CKEN_SSP},
{IRQ_NSSP, CKEN_NSSP},
{IRQ_ASSP, CKEN_ASSP},
#endif
};
......
arch/arm/mach-rpc/riscpc.c
浏览文件 @ 6f95416e
......@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/serial_8250.h>
#include <linux/pata_platform.h>
#include <asm/elf.h>
#include <asm/io.h>
......@@ -159,11 +160,45 @@ static struct platform_device serial_device = {
},
};
static struct pata_platform_info pata_platform_data = {
.ioport_shift = 2,
};
static struct resource pata_resources[] = {
[0] = {
.start = 0x030107c0,
.end = 0x030107df,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0x03010fd8,
.end = 0x03010fdb,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = IRQ_HARDDISK,
.end = IRQ_HARDDISK,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device pata_device = {
.name = "pata_platform",
.id = -1,
.num_resources = ARRAY_SIZE(pata_resources),
.resource = pata_resources,
.dev = {
.platform_data = &pata_platform_data,
.coherent_dma_mask = ~0, /* grumble */
},
};
static struct platform_device *devs[] __initdata = {
&iomd_device,
&kbd_device,
&serial_device,
&acornfb_device,
&pata_device,
};
static int __init rpc_init(void)
......
arch/arm/mach-s3c2410/mach-amlm5900.c
浏览文件 @ 6f95416e
......@@ -160,17 +160,11 @@ static struct platform_device *amlm5900_devices[] __initdata = {
#endif
};
static struct s3c24xx_board amlm5900_board __initdata = {
.devices = amlm5900_devices,
.devices_count = ARRAY_SIZE(amlm5900_devices)
};
void __init amlm5900_map_io(void)
{
s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
s3c24xx_set_board(&amlm5900_board);
}
#ifdef CONFIG_FB_S3C2410
......@@ -247,6 +241,7 @@ static void __init amlm5900_init(void)
#ifdef CONFIG_FB_S3C2410
s3c24xx_fb_set_platdata(&amlm5900_lcd_info);
#endif
platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
}
MACHINE_START(AML_M5900, "AML_M5900")
......
arch/arm/mach-s3c2410/mach-bast.c
浏览文件 @ 6f95416e
......@@ -464,13 +464,6 @@ static struct clk *bast_clocks[] = {
&s3c24xx_uclk,
};
static struct s3c24xx_board bast_board __initdata = {
.devices = bast_devices,
.devices_count = ARRAY_SIZE(bast_devices),
.clocks = bast_clocks,
.clocks_count = ARRAY_SIZE(bast_clocks),
};
static void __init bast_map_io(void)
{
/* initialise the clocks */
......@@ -486,19 +479,22 @@ static void __init bast_map_io(void)
s3c24xx_uclk.parent = &s3c24xx_clkout1;
s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
s3c_device_nand.dev.platform_data = &bast_nand_info;
s3c_device_i2c.dev.platform_data = &bast_i2c_info;
s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
s3c24xx_set_board(&bast_board);
usb_simtec_init();
}
static void __init bast_init(void)
{
s3c24xx_fb_set_platdata(&bast_lcd_info);
platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
}
MACHINE_START(BAST, "Simtec-BAST")
......
arch/arm/mach-s3c2410/mach-h1940.c
浏览文件 @ 6f95416e
......@@ -129,7 +129,6 @@ static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
};
/**
* Set lcd on or off
**/
......@@ -188,17 +187,11 @@ static struct platform_device *h1940_devices[] __initdata = {
&s3c_device_leds,
};
static struct s3c24xx_board h1940_board __initdata = {
.devices = h1940_devices,
.devices_count = ARRAY_SIZE(h1940_devices)
};
static void __init h1940_map_io(void)
{
s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
s3c24xx_set_board(&h1940_board);
/* setup PM */
......@@ -232,6 +225,8 @@ static void __init h1940_init(void)
| (0x02 << S3C2410_PLLCON_PDIVSHIFT)
| (0x03 << S3C2410_PLLCON_SDIVSHIFT);
writel(tmp, S3C2410_UPLLCON);
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
}
MACHINE_START(H1940, "IPAQ-H1940")
......
arch/arm/mach-s3c2410/mach-n30.c
浏览文件 @ 6f95416e
......@@ -90,17 +90,11 @@ static struct s3c2410_platform_i2c n30_i2ccfg = {
.max_freq = 10*1000,
};
static struct s3c24xx_board n30_board __initdata = {
.devices = n30_devices,
.devices_count = ARRAY_SIZE(n30_devices)
};
static void __init n30_map_io(void)
{
s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
s3c24xx_set_board(&n30_board);
}
static void __init n30_init_irq(void)
......@@ -120,6 +114,8 @@ static void __init n30_init(void)
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
}
MACHINE_START(N30, "Acer-N30")
......
arch/arm/mach-s3c2410/mach-otom.c
浏览文件 @ 6f95416e
......@@ -100,20 +100,17 @@ static struct platform_device *otom11_devices[] __initdata = {
&otom_device_nor,
};
static struct s3c24xx_board otom11_board __initdata = {
.devices = otom11_devices,
.devices_count = ARRAY_SIZE(otom11_devices)
};
static void __init otom11_map_io(void)
{
s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
s3c24xx_set_board(&otom11_board);
}
static void __init otom11_init(void)
{
platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
}
MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
......@@ -121,6 +118,7 @@ MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = otom11_map_io,
.init_machine = otom11_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2410/mach-qt2410.c
浏览文件 @ 6f95416e
......@@ -29,7 +29,6 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/mmc/protocol.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
......@@ -331,11 +330,6 @@ static struct platform_device *qt2410_devices[] __initdata = {
&qt2410_led,
};
static struct s3c24xx_board qt2410_board __initdata = {
.devices = qt2410_devices,
.devices_count = ARRAY_SIZE(qt2410_devices)
};
static struct mtd_partition qt2410_nand_part[] = {
[0] = {
.name = "U-Boot",
......@@ -405,7 +399,6 @@ static void __init qt2410_map_io(void)
s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
s3c24xx_init_clocks(12*1000*1000);
s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
s3c24xx_set_board(&qt2410_board);
}
static void __init qt2410_machine_init(void)
......@@ -432,6 +425,7 @@ static void __init qt2410_machine_init(void)
s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
s3c2410_pm_init();
}
......
arch/arm/mach-s3c2410/mach-smdk2410.c
浏览文件 @ 6f95416e
......@@ -94,17 +94,17 @@ static struct platform_device *smdk2410_devices[] __initdata = {
&s3c_device_iis,
};
static struct s3c24xx_board smdk2410_board __initdata = {
.devices = smdk2410_devices,
.devices_count = ARRAY_SIZE(smdk2410_devices)
};
static void __init smdk2410_map_io(void)
{
s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
s3c24xx_set_board(&smdk2410_board);
}
static void __init smdk2410_init(void)
{
platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
smdk_machine_init();
}
MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
......@@ -115,7 +115,7 @@ MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switc
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = smdk2410_map_io,
.init_irq = s3c24xx_init_irq,
.init_machine = smdk_machine_init,
.init_machine = smdk2410_init,
.timer = &s3c24xx_timer,
MACHINE_END
......
arch/arm/mach-s3c2410/mach-vr1000.c
浏览文件 @ 6f95416e
......@@ -384,13 +384,6 @@ static struct clk *vr1000_clocks[] = {
&s3c24xx_uclk,
};
static struct s3c24xx_board vr1000_board __initdata = {
.devices = vr1000_devices,
.devices_count = ARRAY_SIZE(vr1000_devices),
.clocks = vr1000_clocks,
.clocks_count = ARRAY_SIZE(vr1000_clocks),
};
static void vr1000_power_off(void)
{
s3c2410_gpio_cfgpin(S3C2410_GPB9, S3C2410_GPB9_OUTP);
......@@ -412,15 +405,19 @@ static void __init vr1000_map_io(void)
s3c24xx_uclk.parent = &s3c24xx_clkout1;
s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks));
pm_power_off = vr1000_power_off;
s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
s3c24xx_set_board(&vr1000_board);
usb_simtec_init();
}
static void __init vr1000_init(void)
{
platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));
}
MACHINE_START(VR1000, "Thorcom-VR1000")
/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
......@@ -428,6 +425,7 @@ MACHINE_START(VR1000, "Thorcom-VR1000")
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = vr1000_map_io,
.init_machine = vr1000_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2412/Kconfig
浏览文件 @ 6f95416e
......@@ -47,6 +47,15 @@ config MACH_S3C2413
machine_is_s3c2413() will work when MACH_SMDK2413 is
selected
config MACH_SMDK2412
bool "SMDK2412"
select MACH_SMDK2413
help
Say Y here if you are using an SMDK2412
Note, this shares support with SMDK2413, so will automatically
select MACH_SMDK2413.
config MACH_VSTMS
bool "VMSTMS"
select CPU_S3C2412
......
arch/arm/mach-s3c2412/mach-smdk2413.c
浏览文件 @ 6f95416e
......@@ -110,11 +110,6 @@ static struct platform_device *smdk2413_devices[] __initdata = {
&s3c_device_usbgadget,
};
static struct s3c24xx_board smdk2413_board __initdata = {
.devices = smdk2413_devices,
.devices_count = ARRAY_SIZE(smdk2413_devices)
};
static void __init smdk2413_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline,
struct meminfo *mi)
......@@ -132,7 +127,6 @@ static void __init smdk2413_map_io(void)
s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
s3c24xx_set_board(&smdk2413_board);
}
static void __init smdk2413_machine_init(void)
......@@ -149,6 +143,7 @@ static void __init smdk2413_machine_init(void)
s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
smdk_machine_init();
}
......
arch/arm/mach-s3c2412/mach-vstms.c
浏览文件 @ 6f95416e
......@@ -129,11 +129,6 @@ static struct platform_device *vstms_devices[] __initdata = {
&s3c_device_nand,
};
static struct s3c24xx_board vstms_board __initdata = {
.devices = vstms_devices,
.devices_count = ARRAY_SIZE(vstms_devices)
};
static void __init vstms_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline,
struct meminfo *mi)
......@@ -153,7 +148,11 @@ static void __init vstms_map_io(void)
s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
s3c24xx_set_board(&vstms_board);
}
static void __init vstms_init(void)
{
platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
}
MACHINE_START(VSTMS, "VSTMS")
......@@ -163,6 +162,7 @@ MACHINE_START(VSTMS, "VSTMS")
.fixup = vstms_fixup,
.init_irq = s3c24xx_init_irq,
.init_machine = vstms_init,
.map_io = vstms_map_io,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2440/mach-anubis.c
浏览文件 @ 6f95416e
......@@ -281,13 +281,6 @@ static struct clk *anubis_clocks[] = {
&s3c24xx_uclk,
};
static struct s3c24xx_board anubis_board __initdata = {
.devices = anubis_devices,
.devices_count = ARRAY_SIZE(anubis_devices),
.clocks = anubis_clocks,
.clocks_count = ARRAY_SIZE(anubis_clocks),
};
static void __init anubis_map_io(void)
{
/* initialise the clocks */
......@@ -303,23 +296,31 @@ static void __init anubis_map_io(void)
s3c24xx_uclk.parent = &s3c24xx_clkout1;
s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
s3c_device_nand.dev.platform_data = &anubis_nand_info;
s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
s3c24xx_set_board(&anubis_board);
/* ensure that the GPIO is setup */
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
}
static void __init anubis_init(void)
{
platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
}
MACHINE_START(ANUBIS, "Simtec-Anubis")
/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = anubis_map_io,
.init_machine = anubis_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2440/mach-nexcoder.c
浏览文件 @ 6f95416e
......@@ -116,12 +116,6 @@ static struct platform_device *nexcoder_devices[] __initdata = {
&nexcoder_device_nor,
};
static struct s3c24xx_board nexcoder_board __initdata = {
.devices = nexcoder_devices,
.devices_count = ARRAY_SIZE(nexcoder_devices),
};
static void __init nexcoder_sensorboard_init(void)
{
// Initialize SCCB bus
......@@ -142,10 +136,14 @@ static void __init nexcoder_map_io(void)
s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
s3c24xx_set_board(&nexcoder_board);
nexcoder_sensorboard_init();
}
static void __init nexcoder_init(void)
{
platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
};
MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
......@@ -153,6 +151,7 @@ MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = nexcoder_map_io,
.init_machine = nexcoder_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2440/mach-osiris.c
浏览文件 @ 6f95416e
......@@ -251,13 +251,6 @@ static struct clk *osiris_clocks[] = {
&s3c24xx_uclk,
};
static struct s3c24xx_board osiris_board __initdata = {
.devices = osiris_devices,
.devices_count = ARRAY_SIZE(osiris_devices),
.clocks = osiris_clocks,
.clocks_count = ARRAY_SIZE(osiris_clocks),
};
static void __init osiris_map_io(void)
{
unsigned long flags;
......@@ -275,12 +268,13 @@ static void __init osiris_map_io(void)
s3c24xx_uclk.parent = &s3c24xx_clkout1;
s3c24xx_register_clocks(osiris_clocks, ARRAY_SIZE(osiris_clocks));
s3c_device_nand.dev.platform_data = &osiris_nand_info;
s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs));
s3c24xx_set_board(&osiris_board);
/* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */
......@@ -292,12 +286,18 @@ static void __init osiris_map_io(void)
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
}
static void __init osiris_init(void)
{
platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices));
};
MACHINE_START(OSIRIS, "Simtec-OSIRIS")
/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = osiris_map_io,
.init_machine = osiris_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mach-s3c2440/mach-rx3715.c
浏览文件 @ 6f95416e
......@@ -202,11 +202,6 @@ static struct platform_device *rx3715_devices[] __initdata = {
&s3c_device_nand,
};
static struct s3c24xx_board rx3715_board __initdata = {
.devices = rx3715_devices,
.devices_count = ARRAY_SIZE(rx3715_devices)
};
static void __init rx3715_map_io(void)
{
s3c_device_nand.dev.platform_data = &rx3715_nand_info;
......@@ -214,7 +209,6 @@ static void __init rx3715_map_io(void)
s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
s3c24xx_init_clocks(16934000);
s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
s3c24xx_set_board(&rx3715_board);
}
static void __init rx3715_init_irq(void)
......@@ -230,9 +224,9 @@ static void __init rx3715_init_machine(void)
s3c2410_pm_init();
s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices));
}
MACHINE_START(RX3715, "IPAQ-RX3715")
/* Maintainer: Ben Dooks <ben@fluff.org> */
.phys_io = S3C2410_PA_UART,
......
arch/arm/mach-s3c2440/mach-smdk2440.c
浏览文件 @ 6f95416e
......@@ -174,23 +174,18 @@ static struct platform_device *smdk2440_devices[] __initdata = {
&s3c_device_iis,
};
static struct s3c24xx_board smdk2440_board __initdata = {
.devices = smdk2440_devices,
.devices_count = ARRAY_SIZE(smdk2440_devices)
};
static void __init smdk2440_map_io(void)
{
s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
s3c24xx_init_clocks(16934400);
s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
s3c24xx_set_board(&smdk2440_board);
}
static void __init smdk2440_machine_init(void)
{
s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
smdk_machine_init();
}
......
arch/arm/mach-s3c2443/mach-smdk2443.c
浏览文件 @ 6f95416e
......@@ -106,21 +106,16 @@ static struct platform_device *smdk2443_devices[] __initdata = {
&s3c_device_i2c,
};
static struct s3c24xx_board smdk2443_board __initdata = {
.devices = smdk2443_devices,
.devices_count = ARRAY_SIZE(smdk2443_devices)
};
static void __init smdk2443_map_io(void)
{
s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
s3c24xx_set_board(&smdk2443_board);
}
static void __init smdk2443_machine_init(void)
{
platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
smdk_machine_init();
}
......
arch/arm/mach-sa1100/clock.c
浏览文件 @ 6f95416e
......@@ -9,14 +9,17 @@
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <asm/hardware.h>
#include <asm/semaphore.h>
/*
* Very simple clock implementation - we only have one clock to
* deal with at the moment, so we only match using the "name".
*/
struct clk {
struct list_head node;
unsigned long rate;
struct module *owner;
const char *name;
unsigned int enabled;
void (*enable)(void);
......@@ -24,21 +27,21 @@ struct clk {
};
static LIST_HEAD(clocks);
static DECLARE_MUTEX(clocks_sem);
static DEFINE_MUTEX(clocks_mutex);
static DEFINE_SPINLOCK(clocks_lock);
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)) {
if (strcmp(id, p->name) == 0) {
clk = p;
break;
}
}
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return clk;
}
......@@ -46,7 +49,6 @@ EXPORT_SYMBOL(clk_get);
void clk_put(struct clk *clk)
{
module_put(clk->owner);
}
EXPORT_SYMBOL(clk_put);
......@@ -109,18 +111,18 @@ static struct clk clk_gpio27 = {
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-versatile/core.c
浏览文件 @ 6f95416e
......@@ -26,6 +26,8 @@
#include <linux/interrupt.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/cnt32_to_63.h>
#include <asm/system.h>
......@@ -828,59 +830,61 @@ void __init versatile_init(void)
#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
#endif
/*
* Returns number of ms since last clock interrupt. Note that interrupts
* will have been disabled by do_gettimeoffset()
*/
static unsigned long versatile_gettimeoffset(void)
static void timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *clk)
{
unsigned long ticks1, ticks2, status;
unsigned long ctrl;
/*
* Get the current number of ticks. Note that there is a race
* condition between us reading the timer and checking for
* an interrupt. We get around this by ensuring that the
* counter has not reloaded between our two reads.
*/
ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
do {
ticks1 = ticks2;
status = __raw_readl(VA_IC_BASE + VIC_RAW_STATUS);
ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
} while (ticks2 > ticks1);
switch(mode) {
case CLOCK_EVT_MODE_PERIODIC:
writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_LOAD);
/*
* Number of ticks since last interrupt.
*/
ticks1 = TIMER_RELOAD - ticks2;
ctrl = TIMER_CTRL_PERIODIC;
ctrl |= TIMER_CTRL_32BIT | TIMER_CTRL_IE | TIMER_CTRL_ENABLE;
break;
case CLOCK_EVT_MODE_ONESHOT:
/* period set, and timer enabled in 'next_event' hook */
ctrl = TIMER_CTRL_ONESHOT;
ctrl |= TIMER_CTRL_32BIT | TIMER_CTRL_IE;
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
default:
ctrl = 0;
}
/*
* Interrupt pending? If so, we've reloaded once already.
*
* FIXME: Need to check this is effectively timer 0 that expires
*/
if (status & IRQMASK_TIMERINT0_1)
ticks1 += TIMER_RELOAD;
writel(ctrl, TIMER0_VA_BASE + TIMER_CTRL);
}
/*
* Convert the ticks to usecs
*/
return TICKS2USECS(ticks1);
static int timer_set_next_event(unsigned long evt,
struct clock_event_device *unused)
{
unsigned long ctrl = readl(TIMER0_VA_BASE + TIMER_CTRL);
writel(evt, TIMER0_VA_BASE + TIMER_LOAD);
writel(ctrl | TIMER_CTRL_ENABLE, TIMER0_VA_BASE + TIMER_CTRL);
return 0;
}
static struct clock_event_device timer0_clockevent = {
.name = "timer0",
.shift = 32,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = timer_set_mode,
.set_next_event = timer_set_next_event,
};
/*
* IRQ handler for the timer
*/
static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id)
{
write_seqlock(&xtime_lock);
struct clock_event_device *evt = &timer0_clockevent;
// ...clear the interrupt
writel(1, TIMER0_VA_BASE + TIMER_INTCLR);
timer_tick();
write_sequnlock(&xtime_lock);
evt->event_handler(evt);
return IRQ_HANDLED;
}
......@@ -891,6 +895,36 @@ static struct irqaction versatile_timer_irq = {
.handler = versatile_timer_interrupt,
};
static cycle_t versatile_get_cycles(void)
{
return ~readl(TIMER3_VA_BASE + TIMER_VALUE);
}
static struct clocksource clocksource_versatile = {
.name = "timer3",
.rating = 200,
.read = versatile_get_cycles,
.mask = CLOCKSOURCE_MASK(32),
.shift = 20,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static int __init versatile_clocksource_init(void)
{
/* setup timer3 as free-running clocksource */
writel(0, TIMER3_VA_BASE + TIMER_CTRL);
writel(0xffffffff, TIMER3_VA_BASE + TIMER_LOAD);
writel(0xffffffff, TIMER3_VA_BASE + TIMER_VALUE);
writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC,
TIMER3_VA_BASE + TIMER_CTRL);
clocksource_versatile.mult =
clocksource_khz2mult(1000, clocksource_versatile.shift);
clocksource_register(&clocksource_versatile);
return 0;
}
/*
* Set up timer interrupt, and return the current time in seconds.
*/
......@@ -918,18 +952,25 @@ static void __init versatile_timer_init(void)
writel(0, TIMER2_VA_BASE + TIMER_CTRL);
writel(0, TIMER3_VA_BASE + TIMER_CTRL);
writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_LOAD);
writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_VALUE);
writel(TIMER_DIVISOR | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC |
TIMER_CTRL_IE, TIMER0_VA_BASE + TIMER_CTRL);
/*
* Make irqs happen for the system timer
*/
setup_irq(IRQ_TIMERINT0_1, &versatile_timer_irq);
versatile_clocksource_init();
timer0_clockevent.mult =
div_sc(1000000, NSEC_PER_SEC, timer0_clockevent.shift);
timer0_clockevent.max_delta_ns =
clockevent_delta2ns(0xffffffff, &timer0_clockevent);
timer0_clockevent.min_delta_ns =
clockevent_delta2ns(0xf, &timer0_clockevent);
timer0_clockevent.cpumask = cpumask_of_cpu(0);
clockevents_register_device(&timer0_clockevent);
}
struct sys_timer versatile_timer = {
.init = versatile_timer_init,
.offset = versatile_gettimeoffset,
};
arch/arm/oprofile/backtrace.c
浏览文件 @ 6f95416e
......@@ -19,6 +19,19 @@
#include <asm/ptrace.h>
#include <asm/uaccess.h>
#include "../kernel/stacktrace.h"
static int report_trace(struct stackframe *frame, void *d)
{
unsigned int *depth = d;
if (*depth) {
oprofile_add_trace(frame->lr);
(*depth)--;
}
return *depth == 0;
}
/*
* The registers we're interested in are at the end of the variable
......@@ -32,21 +45,6 @@ struct frame_tail {
unsigned long lr;
} __attribute__((packed));
#ifdef CONFIG_FRAME_POINTER
static struct frame_tail* kernel_backtrace(struct frame_tail *tail)
{
oprofile_add_trace(tail->lr);
/* frame pointers should strictly progress back up the stack
* (towards higher addresses) */
if (tail >= tail->fp)
return NULL;
return tail->fp-1;
}
#endif
static struct frame_tail* user_backtrace(struct frame_tail *tail)
{
struct frame_tail buftail[2];
......@@ -67,47 +65,14 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail)
return buftail[0].fp-1;
}
/*
* | | /\ Higher addresses
* | |
* --------------- stack base (address of current_thread_info)
* | thread info |
* . .
* | stack |
* --------------- saved regs->ARM_fp value if valid (frame_tail address)
* . .
* --------------- struct pt_regs stored on stack (struct pt_regs *)
* | |
* . .
* | |
* --------------- %esp
* | |
* | | \/ Lower addresses
*
* Thus, &pt_regs <-> stack base restricts the valid(ish) fp values
*/
static int valid_kernel_stack(struct frame_tail *tail, struct pt_regs *regs)
{
unsigned long tailaddr = (unsigned long)tail;
unsigned long stack = (unsigned long)regs;
unsigned long stack_base = (stack & ~(THREAD_SIZE - 1)) + THREAD_SIZE;
return (tailaddr > stack) && (tailaddr < stack_base);
}
void arm_backtrace(struct pt_regs * const regs, unsigned int depth)
{
struct frame_tail *tail;
tail = ((struct frame_tail *) regs->ARM_fp) - 1;
struct frame_tail *tail = ((struct frame_tail *) regs->ARM_fp) - 1;
if (!user_mode(regs)) {
#ifdef CONFIG_FRAME_POINTER
while (depth-- && tail && valid_kernel_stack(tail, regs)) {
tail = kernel_backtrace(tail);
}
#endif
unsigned long base = ((unsigned long)regs) & ~(THREAD_SIZE - 1);
walk_stackframe(regs->ARM_fp, base, base + THREAD_SIZE,
report_trace, &depth);
return;
}
......
arch/arm/plat-iop/pci.c
浏览文件 @ 6f95416e
......@@ -55,7 +55,7 @@ static u32 iop3xx_cfg_address(struct pci_bus *bus, int devfn, int where)
* This routine checks the status of the last configuration cycle. If an error
* was detected it returns a 1, else it returns a 0. The errors being checked
* are parity, master abort, target abort (master and target). These types of
* errors occure during a config cycle where there is no device, like during
* errors occur during a config cycle where there is no device, like during
* the discovery stage.
*/
static int iop3xx_pci_status(void)
......@@ -223,8 +223,111 @@ struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *sys)
return pci_scan_bus(sys->busnr, &iop3xx_ops, sys);
}
void __init iop3xx_atu_setup(void)
{
/* BAR 0 ( Disabled ) */
*IOP3XX_IAUBAR0 = 0x0;
*IOP3XX_IABAR0 = 0x0;
*IOP3XX_IATVR0 = 0x0;
*IOP3XX_IALR0 = 0x0;
/* BAR 1 ( Disabled ) */
*IOP3XX_IAUBAR1 = 0x0;
*IOP3XX_IABAR1 = 0x0;
*IOP3XX_IALR1 = 0x0;
/* BAR 2 (1:1 mapping with Physical RAM) */
/* Set limit and enable */
*IOP3XX_IALR2 = ~((u32)IOP3XX_MAX_RAM_SIZE - 1) & ~0x1;
*IOP3XX_IAUBAR2 = 0x0;
/* Align the inbound bar with the base of memory */
*IOP3XX_IABAR2 = PHYS_OFFSET |
PCI_BASE_ADDRESS_MEM_TYPE_64 |
PCI_BASE_ADDRESS_MEM_PREFETCH;
*IOP3XX_IATVR2 = PHYS_OFFSET;
/* Outbound window 0 */
*IOP3XX_OMWTVR0 = IOP3XX_PCI_LOWER_MEM_PA;
*IOP3XX_OUMWTVR0 = 0;
/* Outbound window 1 */
*IOP3XX_OMWTVR1 = IOP3XX_PCI_LOWER_MEM_PA + IOP3XX_PCI_MEM_WINDOW_SIZE;
*IOP3XX_OUMWTVR1 = 0;
/* BAR 3 ( Disabled ) */
*IOP3XX_IAUBAR3 = 0x0;
*IOP3XX_IABAR3 = 0x0;
*IOP3XX_IATVR3 = 0x0;
*IOP3XX_IALR3 = 0x0;
/* Setup the I/O Bar
*/
*IOP3XX_OIOWTVR = IOP3XX_PCI_LOWER_IO_PA;;
/* Enable inbound and outbound cycles
*/
*IOP3XX_ATUCMD |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
*IOP3XX_ATUCR |= IOP3XX_ATUCR_OUT_EN;
}
void __init iop3xx_atu_disable(void)
{
*IOP3XX_ATUCMD = 0;
*IOP3XX_ATUCR = 0;
/* wait for cycles to quiesce */
while (*IOP3XX_PCSR & (IOP3XX_PCSR_OUT_Q_BUSY |
IOP3XX_PCSR_IN_Q_BUSY))
cpu_relax();
/* BAR 0 ( Disabled ) */
*IOP3XX_IAUBAR0 = 0x0;
*IOP3XX_IABAR0 = 0x0;
*IOP3XX_IATVR0 = 0x0;
*IOP3XX_IALR0 = 0x0;
/* BAR 1 ( Disabled ) */
*IOP3XX_IAUBAR1 = 0x0;
*IOP3XX_IABAR1 = 0x0;
*IOP3XX_IALR1 = 0x0;
/* BAR 2 ( Disabled ) */
*IOP3XX_IAUBAR2 = 0x0;
*IOP3XX_IABAR2 = 0x0;
*IOP3XX_IATVR2 = 0x0;
*IOP3XX_IALR2 = 0x0;
/* BAR 3 ( Disabled ) */
*IOP3XX_IAUBAR3 = 0x0;
*IOP3XX_IABAR3 = 0x0;
*IOP3XX_IATVR3 = 0x0;
*IOP3XX_IALR3 = 0x0;
/* Clear the outbound windows */
*IOP3XX_OIOWTVR = 0;
/* Outbound window 0 */
*IOP3XX_OMWTVR0 = 0;
*IOP3XX_OUMWTVR0 = 0;
/* Outbound window 1 */
*IOP3XX_OMWTVR1 = 0;
*IOP3XX_OUMWTVR1 = 0;
}
/* Flag to determine whether the ATU is initialized and the PCI bus scanned */
int init_atu;
void iop3xx_pci_preinit(void)
{
if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) {
iop3xx_atu_disable();
iop3xx_atu_setup();
}
DBG("PCI: Intel 803xx PCI init code.\n");
DBG("ATU: IOP3XX_ATUCMD=0x%04x\n", *IOP3XX_ATUCMD);
DBG("ATU: IOP3XX_OMWTVR0=0x%04x, IOP3XX_OIOWTVR=0x%04x\n",
......@@ -245,3 +348,38 @@ void iop3xx_pci_preinit(void)
hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, "imprecise external abort");
}
/* allow init_atu to be user overridden */
static int __init iop3xx_init_atu_setup(char *str)
{
init_atu = IOP3XX_INIT_ATU_DEFAULT;
if (str) {
while (*str != '\0') {
switch (*str) {
case 'y':
case 'Y':
init_atu = IOP3XX_INIT_ATU_ENABLE;
break;
case 'n':
case 'N':
init_atu = IOP3XX_INIT_ATU_DISABLE;
break;
case ',':
case '=':
break;
default:
printk(KERN_DEBUG "\"%s\" malformed at "
"character: \'%c\'",
__FUNCTION__,
*str);
*(str + 1) = '\0';
}
str++;
}
}
return 1;
}
__setup("iop3xx_init_atu", iop3xx_init_atu_setup);
arch/arm/plat-iop/time.c
浏览文件 @ 6f95416e
......@@ -32,22 +32,22 @@ static unsigned long next_jiffy_time;
unsigned long iop_gettimeoffset(void)
{
unsigned long offset, temp1, temp2;
unsigned long offset, temp;
/* enable cp6, if necessary, to avoid taking the overhead of an
* undefined instruction trap
*/
asm volatile (
"mrc p15, 0, %0, c15, c1, 0\n\t"
"ands %1, %0, #(1 << 6)\n\t"
"tst %0, #(1 << 6)\n\t"
"orreq %0, %0, #(1 << 6)\n\t"
"mcreq p15, 0, %0, c15, c1, 0\n\t"
#ifdef CONFIG_XSCALE
#ifdef CONFIG_CPU_XSCALE
"mrceq p15, 0, %0, c15, c1, 0\n\t"
"moveq %0, %0\n\t"
"subeq pc, pc, #4\n\t"
#endif
: "=r"(temp1), "=r"(temp2) : : "cc");
: "=r"(temp) : : "cc");
offset = next_jiffy_time - read_tcr1();
......
arch/arm/plat-omap/Kconfig
浏览文件 @ 6f95416e
......@@ -11,6 +11,7 @@ choice
config ARCH_OMAP1
bool "TI OMAP1"
select GENERIC_CLOCKEVENTS
config ARCH_OMAP2
bool "TI OMAP2"
......
arch/arm/plat-omap/common.c
浏览文件 @ 6f95416e
......@@ -156,3 +156,53 @@ static int __init omap_add_serial_console(void)
return add_preferred_console("ttyS", line, opt);
}
console_initcall(omap_add_serial_console);
/*
* 32KHz clocksource ... always available, on pretty most chips except
* OMAP 730 and 1510. Other timers could be used as clocksources, with
* higher resolution in free-running counter modes (e.g. 12 MHz xtal),
* but systems won't necessarily want to spend resources that way.
*/
#if defined(CONFIG_ARCH_OMAP16XX)
#define TIMER_32K_SYNCHRONIZED 0xfffbc410
#elif defined(CONFIG_ARCH_OMAP24XX)
#define TIMER_32K_SYNCHRONIZED 0x48004010
#endif
#ifdef TIMER_32K_SYNCHRONIZED
#include <linux/clocksource.h>
static cycle_t omap_32k_read(void)
{
return omap_readl(TIMER_32K_SYNCHRONIZED);
}
static struct clocksource clocksource_32k = {
.name = "32k_counter",
.rating = 250,
.read = omap_32k_read,
.mask = CLOCKSOURCE_MASK(32),
.shift = 10,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static int __init omap_init_clocksource_32k(void)
{
static char err[] __initdata = KERN_ERR
"%s: can't register clocksource!\n";
if (cpu_is_omap16xx() || cpu_is_omap24xx()) {
clocksource_32k.mult = clocksource_hz2mult(32768,
clocksource_32k.shift);
if (clocksource_register(&clocksource_32k))
printk(err, clocksource_32k.name);
}
return 0;
}
arch_initcall(omap_init_clocksource_32k);
#endif /* TIMER_32K_SYNCHRONIZED */
arch/arm/plat-omap/devices.c
浏览文件 @ 6f95416e
......@@ -429,6 +429,10 @@ static inline void omap_init_rng(void) {}
*/
static int __init omap_init_devices(void)
{
/*
* Need to enable relevant once for 2430 SDP
*/
#ifndef CONFIG_MACH_OMAP_2430SDP
/* please keep these calls, and their implementations above,
* in alphabetical order so they're easier to sort through.
*/
......@@ -438,7 +442,7 @@ static int __init omap_init_devices(void)
omap_init_uwire();
omap_init_wdt();
omap_init_rng();
#endif
return 0;
}
arch_initcall(omap_init_devices);
......
arch/arm/plat-omap/dmtimer.c
浏览文件 @ 6f95416e
......@@ -506,6 +506,8 @@ int omap_dm_timer_init(void)
BUG_ON(dm_source_clocks[i] == NULL);
}
#endif
if (cpu_is_omap243x())
dm_timers[0].phys_base = 0x49018000;
for (i = 0; i < dm_timer_count; i++) {
#ifdef CONFIG_ARCH_OMAP2
......
arch/arm/plat-omap/gpio.c
浏览文件 @ 6f95416e
此差异已折叠。
arch/arm/plat-omap/mcbsp.c
浏览文件 @ 6f95416e
......@@ -225,11 +225,16 @@ static void omap_mcbsp_dsp_free(void)
#ifdef CONFIG_ARCH_OMAP2
static void omap2_mcbsp2_mux_setup(void)
{
omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
omap_cfg_reg(R14_24XX_MCBSP2_FSX);
omap_cfg_reg(W15_24XX_MCBSP2_DR);
omap_cfg_reg(V15_24XX_MCBSP2_DX);
omap_cfg_reg(V14_24XX_GPIO117);
if (cpu_is_omap2420()) {
omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
omap_cfg_reg(R14_24XX_MCBSP2_FSX);
omap_cfg_reg(W15_24XX_MCBSP2_DR);
omap_cfg_reg(V15_24XX_MCBSP2_DX);
omap_cfg_reg(V14_24XX_GPIO117);
}
/*
* Need to add MUX settings for OMAP 2430 SDP
*/
}
#endif
......
arch/arm/plat-omap/timer32k.c
浏览文件 @ 6f95416e
此差异已折叠。
arch/arm/plat-s3c24xx/clock.c
浏览文件 @ 6f95416e
......@@ -404,6 +404,18 @@ int s3c24xx_register_clock(struct clk *clk)
return 0;
}
int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
{
int fails = 0;
for (; nr_clks > 0; nr_clks--, clks++) {
if (s3c24xx_register_clock(*clks) < 0)
fails++;
}
return fails;
}
/* initalise all the clocks */
int __init s3c24xx_setup_clocks(unsigned long xtal,
......
arch/arm/plat-s3c24xx/cpu.c
浏览文件 @ 6f95416e
......@@ -181,24 +181,6 @@ s3c_lookup_cpu(unsigned long idcode)
return NULL;
}
/* board information */
static struct s3c24xx_board *board;
void s3c24xx_set_board(struct s3c24xx_board *b)
{
int i;
board = b;
if (b->clocks_count != 0) {
struct clk **ptr = b->clocks;
for (i = b->clocks_count; i > 0; i--, ptr++)
s3c24xx_register_clock(*ptr);
}
}
/* cpu information */
static struct cpu_table *cpu;
......@@ -342,26 +324,6 @@ static int __init s3c_arch_init(void)
return ret;
ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts);
if (ret != 0)
return ret;
if (board != NULL) {
struct platform_device **ptr = board->devices;
int i;
for (i = 0; i < board->devices_count; i++, ptr++) {
ret = platform_device_register(*ptr);
if (ret) {
printk(KERN_ERR "s3c24xx: failed to add board device %s (%d) @%p\n", (*ptr)->name, ret, *ptr);
}
}
/* mask any error, we may not need all these board
* devices */
ret = 0;
}
return ret;
}
......
arch/arm/plat-s3c24xx/dma.c
浏览文件 @ 6f95416e
此差异已折叠。
arch/arm/vfp/vfpdouble.c
浏览文件 @ 6f95416e
......@@ -34,7 +34,6 @@
#include <linux/bitops.h>
#include <asm/div64.h>
#include <asm/ptrace.h>
#include <asm/vfp.h>
#include "vfpinstr.h"
......
arch/arm/vfp/vfpsingle.c
浏览文件 @ 6f95416e
......@@ -34,7 +34,6 @@
#include <linux/bitops.h>
#include <asm/div64.h>
#include <asm/ptrace.h>
#include <asm/vfp.h>
#include "vfpinstr.h"
......
drivers/ata/Kconfig
浏览文件 @ 6f95416e
此差异已折叠。
drivers/ata/Makefile
浏览文件 @ 6f95416e
......@@ -61,6 +61,7 @@ obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o
obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o
obj-$(CONFIG_PATA_SCC) += pata_scc.o
obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o
obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o
# Should be last but one libata driver
obj-$(CONFIG_ATA_GENERIC) += ata_generic.o
# Should be last libata driver
......
drivers/ata/pata_icside.c 0 → 100644
浏览文件 @ 6f95416e
此差异已折叠。
drivers/i2c/busses/i2c-pxa.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/mmc/pxamci.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/net/irda/pxaficp_ir.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/serial/amba-pl010.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/serial/atmel_serial.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/serial/atmel_serial.h
浏览文件 @ 6f95416e
此差异已折叠。
drivers/serial/imx.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/serial/pxa.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/usb/gadget/pxa2xx_udc.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/usb/host/ohci-pxa27x.c
浏览文件 @ 6f95416e
此差异已折叠。
drivers/video/pxafb.c
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-at91/at91_adc.h 0 → 100644
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-at91/board.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-imx/imx-regs.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-iop13xx/time.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-ns9xxx/board.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-ns9xxx/clock.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-pxa/i2c.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/arch-pxa/pxa-regs.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/ecard.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/hardware/iop3xx.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/plat-s3c24xx/cpu.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/ptrace.h
浏览文件 @ 6f95416e
此差异已折叠。
include/asm-arm/thread_info.h
浏览文件 @ 6f95416e
此差异已折叠。
sound/arm/pxa2xx-ac97.c
浏览文件 @ 6f95416e
此差异已折叠。
sound/soc/pxa/pxa2xx-ac97.c
浏览文件 @ 6f95416e
此差异已折叠。
sound/soc/pxa/pxa2xx-i2s.c
浏览文件 @ 6f95416e
此差异已折叠。
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