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OpenCloudOS-Kernel
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Merge branches 'at91', 'davinci', 'imx', 'iop', 'ixp', 'ks8695', 'misc', 'pxa' and 's3c' into devel

This commit is contained in:
Russell King 2007-07-12 21:30:18 +01:00 committed by Russell King
parent feb4722552 83f53220f8 89bba43514 51198ea947 eab03b3f66 8a87a996ea fcae8e0988 46c41e62a1 3c3e69cd4c
commit ca9ced7f67
76 changed files with 2915 additions and 485 deletions
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5
arch/arm/Kconfig
View File

@ -241,6 +241,9 @@ config ARCH_H720X
config ARCH_IMX
bool "IMX"
select GENERIC_GPIO
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
Support for Motorola's i.MX family of processors (MX1, MXL).
@ -308,6 +311,7 @@ config ARCH_L7200
config ARCH_KS8695
bool "Micrel/Kendin KS8695"
select GENERIC_GPIO
help
Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
System-on-Chip devices.
@ -384,6 +388,7 @@ config ARCH_DAVINCI
bool "TI DaVinci"
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
help
Support for TI's DaVinci platform.

1
arch/arm/boot/compressed/.gitignore vendored
View File

@ -1 +1,2 @@
piggy.gz
font.c

13
arch/arm/boot/compressed/Makefile
View File

@ -6,15 +6,13 @@
HEAD = head.o
OBJS = misc.o
FONTC = drivers/video/console/font_acorn_8x8.c
FONT = $(addprefix ../../../../drivers/video/console/, font_acorn_8x8.o)
FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
#
# Architecture dependencies
#
ifeq ($(CONFIG_ARCH_ACORN),y)
OBJS += ll_char_wr.o $(FONT)
OBJS += ll_char_wr.o font.o
endif
ifeq ($(CONFIG_ARCH_SHARK),y)
@ -73,7 +71,7 @@ endif
SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
targets := vmlinux vmlinux.lds piggy.gz piggy.o $(FONT) \
targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
head.o misc.o $(OBJS)
EXTRA_CFLAGS := -fpic
EXTRA_AFLAGS :=
@ -105,7 +103,10 @@ $(obj)/piggy.gz: $(obj)/../Image FORCE
$(obj)/piggy.o: $(obj)/piggy.gz FORCE
CFLAGS_font_acorn_8x8.o := -Dstatic=
CFLAGS_font.o := -Dstatic=
$(obj)/font.c: $(FONTC)
$(call cmd,shipped)
$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
@sed "$(SEDFLAGS)" < $< > $@

5
arch/arm/boot/compressed/head-xscale.S
View File

@ -41,11 +41,6 @@ __XScale_start:
mov r7, #MACH_TYPE_COTULLA_IDP
#endif
#ifdef CONFIG_MACH_GTWX5715
mov r7, #(MACH_TYPE_GTWX5715 & 0xff)
orr r7, r7, #(MACH_TYPE_GTWX5715 & 0xff00)
#endif
#ifdef CONFIG_ARCH_IXP2000
mov r1, #-1
mov r0, #0xd6000000

93
arch/arm/boot/compressed/head.S
View File

@ -436,6 +436,28 @@ __armv4_mmu_cache_on:
mcr p15, 0, r0, c8, c7, 0 @ flush I,D TLBs
mov pc, r12
__armv7_mmu_cache_on:
mov r12, lr
mrc p15, 0, r11, c0, c1, 4 @ read ID_MMFR0
tst r11, #0xf @ VMSA
blne __setup_mmu
mov r0, #0
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
tst r11, #0xf @ VMSA
mcrne p15, 0, r0, c8, c7, 0 @ flush I,D TLBs
mrc p15, 0, r0, c1, c0, 0 @ read control reg
orr r0, r0, #0x5000 @ I-cache enable, RR cache replacement
orr r0, r0, #0x003c @ write buffer
orrne r0, r0, #1 @ MMU enabled
movne r1, #-1
mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer
mcrne p15, 0, r1, c3, c0, 0 @ load domain access control
mcr p15, 0, r0, c1, c0, 0 @ load control register
mrc p15, 0, r0, c1, c0, 0 @ and read it back
mov r0, #0
mcr p15, 0, r0, c7, c5, 4 @ ISB
mov pc, r12
__arm6_mmu_cache_on:
mov r12, lr
bl __setup_mmu
@ -622,11 +644,17 @@ proc_types:
b __armv4_mmu_cache_flush
.word 0x0007b000 @ ARMv6
.word 0x0007f000
.word 0x000ff000
b __armv4_mmu_cache_on
b __armv4_mmu_cache_off
b __armv6_mmu_cache_flush
.word 0x000f0000 @ new CPU Id
.word 0x000f0000
b __armv7_mmu_cache_on
b __armv7_mmu_cache_off
b __armv7_mmu_cache_flush
.word 0 @ unrecognised type
.word 0
mov pc, lr
@ -674,6 +702,16 @@ __armv4_mmu_cache_off:
mcr p15, 0, r0, c8, c7 @ invalidate whole TLB v4
mov pc, lr
__armv7_mmu_cache_off:
mrc p15, 0, r0, c1, c0
bic r0, r0, #0x000d
mcr p15, 0, r0, c1, c0 @ turn MMU and cache off
mov r12, lr
bl __armv7_mmu_cache_flush
mov r0, #0
mcr p15, 0, r0, c8, c7, 0 @ invalidate whole TLB
mov pc, r12
__arm6_mmu_cache_off:
mov r0, #0x00000030 @ ARM6 control reg.
b __armv3_mmu_cache_off
@ -730,6 +768,59 @@ __armv6_mmu_cache_flush:
mcr p15, 0, r1, c7, c10, 4 @ drain WB
mov pc, lr
__armv7_mmu_cache_flush:
mrc p15, 0, r10, c0, c1, 5 @ read ID_MMFR1
tst r10, #0xf << 16 @ hierarchical cache (ARMv7)
beq hierarchical
mov r10, #0
mcr p15, 0, r10, c7, c14, 0 @ clean+invalidate D
b iflush
hierarchical:
stmfd sp!, {r0-r5, r7, r9-r11}
mrc p15, 1, r0, c0, c0, 1 @ read clidr
ands r3, r0, #0x7000000 @ extract loc from clidr
mov r3, r3, lsr #23 @ left align loc bit field
beq finished @ if loc is 0, then no need to clean
mov r10, #0 @ start clean at cache level 0
loop1:
add r2, r10, r10, lsr #1 @ work out 3x current cache level
mov r1, r0, lsr r2 @ extract cache type bits from clidr
and r1, r1, #7 @ mask of the bits for current cache only
cmp r1, #2 @ see what cache we have at this level
blt skip @ skip if no cache, or just i-cache
mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
mcr p15, 0, r10, c7, c5, 4 @ isb to sych the new cssr&csidr
mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
and r2, r1, #7 @ extract the length of the cache lines
add r2, r2, #4 @ add 4 (line length offset)
ldr r4, =0x3ff
ands r4, r4, r1, lsr #3 @ find maximum number on the way size
.word 0xe16f5f14 @ clz r5, r4 - find bit position of way size increment
ldr r7, =0x7fff
ands r7, r7, r1, lsr #13 @ extract max number of the index size
loop2:
mov r9, r4 @ create working copy of max way size
loop3:
orr r11, r10, r9, lsl r5 @ factor way and cache number into r11
orr r11, r11, r7, lsl r2 @ factor index number into r11
mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way
subs r9, r9, #1 @ decrement the way
bge loop3
subs r7, r7, #1 @ decrement the index
bge loop2
skip:
add r10, r10, #2 @ increment cache number
cmp r3, r10
bgt loop1
finished:
mov r10, #0 @ swith back to cache level 0
mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
ldmfd sp!, {r0-r5, r7, r9-r11}
iflush:
mcr p15, 0, r10, c7, c5, 0 @ invalidate I+BTB
mcr p15, 0, r10, c7, c10, 4 @ drain WB
mov pc, lr
__armv4_mmu_cache_flush:
mov r2, #64*1024 @ default: 32K dcache size (*2)
mov r11, #32 @ default: 32 byte line size

2
arch/arm/common/sharpsl_pm.c
View File

@ -766,9 +766,7 @@ static void sharpsl_apm_get_power_status(struct apm_power_info *info)
}
static struct pm_ops sharpsl_pm_ops = {
.prepare = pxa_pm_prepare,
.enter = corgi_pxa_pm_enter,
.finish = pxa_pm_finish,
.valid = pm_valid_only_mem,
};

40
arch/arm/kernel/head-common.S
View File

@ -20,7 +20,8 @@ __switch_data:
.long _end @ r7
.long processor_id @ r4
.long __machine_arch_type @ r5
.long cr_alignment @ r6
.long __atags_pointer @ r6
.long cr_alignment @ r7
.long init_thread_union + THREAD_START_SP @ sp
/*
@ -29,6 +30,7 @@ __switch_data:
*
* r0 = cp#15 control register
* r1 = machine ID
* r2 = atags pointer
* r9 = processor ID
*/
.type __mmap_switched, %function
@ -47,11 +49,12 @@ __mmap_switched:
strcc fp, [r6],#4
bcc 1b
ldmia r3, {r4, r5, r6, sp}
ldmia r3, {r4, r5, r6, r7, sp}
str r9, [r4] @ Save processor ID
str r1, [r5] @ Save machine type
str r2, [r6] @ Save atags pointer
bic r4, r0, #CR_A @ Clear 'A' bit
stmia r6, {r0, r4} @ Save control register values
stmia r7, {r0, r4} @ Save control register values
b start_kernel
/*
@ -215,3 +218,34 @@ ENTRY(lookup_machine_type)
bl __lookup_machine_type
mov r0, r5
ldmfd sp!, {r4 - r6, pc}
/* Determine validity of the r2 atags pointer. The heuristic requires
* that the pointer be aligned, in the first 16k of physical RAM and
* that the ATAG_CORE marker is first and present. Future revisions
* of this function may be more lenient with the physical address and
* may also be able to move the ATAGS block if necessary.
*
* r8 = machinfo
*
* Returns:
* r2 either valid atags pointer, or zero
* r5, r6 corrupted
*/
.type __vet_atags, %function
__vet_atags:
tst r2, #0x3 @ aligned?
bne 1f
ldr r5, [r2, #0] @ is first tag ATAG_CORE?
subs r5, r5, #ATAG_CORE_SIZE
bne 1f
ldr r5, [r2, #4]
ldr r6, =ATAG_CORE
cmp r5, r6
bne 1f
mov pc, lr @ atag pointer is ok
1: mov r2, #0
mov pc, lr

7
arch/arm/kernel/head.S
View File

@ -29,6 +29,10 @@
#define KERNEL_RAM_VADDR (PAGE_OFFSET + TEXT_OFFSET)
#define KERNEL_RAM_PADDR (PHYS_OFFSET + TEXT_OFFSET)
#define ATAG_CORE 0x54410001
#define ATAG_CORE_SIZE ((2*4 + 3*4) >> 2)
/*
* swapper_pg_dir is the virtual address of the initial page table.
* We place the page tables 16K below KERNEL_RAM_VADDR. Therefore, we must
@ -61,7 +65,7 @@
*
* This is normally called from the decompressor code. The requirements
* are: MMU = off, D-cache = off, I-cache = dont care, r0 = 0,
* r1 = machine nr.
* r1 = machine nr, r2 = atags pointer.
*
* This code is mostly position independent, so if you link the kernel at
* 0xc0008000, you call this at __pa(0xc0008000).
@ -85,6 +89,7 @@ ENTRY(stext)
bl __lookup_machine_type @ r5=machinfo
movs r8, r5 @ invalid machine (r5=0)?
beq __error_a @ yes, error 'a'
bl __vet_atags
bl __create_page_tables
/*

8
arch/arm/kernel/process.c
View File

@ -44,6 +44,10 @@ static const char *processor_modes[] = {
"UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
};
static const char *isa_modes[] = {
"ARM" , "Thumb" , "Jazelle", "ThumbEE"
};
extern void setup_mm_for_reboot(char mode);
static volatile int hlt_counter;
@ -230,11 +234,11 @@ void __show_regs(struct pt_regs *regs)
buf[3] = flags & PSR_V_BIT ? 'V' : 'v';
buf[4] = '\0';
printk("Flags: %s IRQs o%s FIQs o%s Mode %s%s Segment %s\n",
printk("Flags: %s IRQs o%s FIQs o%s Mode %s ISA %s Segment %s\n",
buf, interrupts_enabled(regs) ? "n" : "ff",
fast_interrupts_enabled(regs) ? "n" : "ff",
processor_modes[processor_mode(regs)],
thumb_mode(regs) ? " (T)" : "",
isa_modes[isa_mode(regs)],
get_fs() == get_ds() ? "kernel" : "user");
#ifdef CONFIG_CPU_CP15
{

6
arch/arm/kernel/setup.c
View File

@ -63,6 +63,8 @@ unsigned int processor_id;
unsigned int __machine_arch_type;
EXPORT_SYMBOL(__machine_arch_type);
unsigned int __atags_pointer __initdata;
unsigned int system_rev;
EXPORT_SYMBOL(system_rev);
@ -780,7 +782,9 @@ void __init setup_arch(char **cmdline_p)
if (mdesc->soft_reboot)
reboot_setup("s");
if (mdesc->boot_params)
if (__atags_pointer)
tags = phys_to_virt(__atags_pointer);
else if (mdesc->boot_params)
tags = phys_to_virt(mdesc->boot_params);
/*

3
arch/arm/mach-davinci/Makefile
View File

@ -4,7 +4,8 @@
#
# Common objects
obj-y := time.o irq.o serial.o io.o id.o psc.o
obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \
gpio.o mux.o
# Board specific
obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o

2
arch/arm/mach-davinci/board-evm.c
View File

@ -32,6 +32,7 @@
void __init davinci_psc_init(void);
void __init davinci_irq_init(void);
void __init davinci_map_common_io(void);
void __init davinci_init_common_hw(void);
/* NOR Flash base address set to CS0 by default */
#define NOR_FLASH_PHYS 0x02000000
@ -116,6 +117,7 @@ static __init void davinci_evm_init(void)
static __init void davinci_evm_irq_init(void)
{
davinci_init_common_hw();
davinci_irq_init();
}

323
arch/arm/mach-davinci/clock.c Normal file
View File

@ -0,0 +1,323 @@
/*
* TI DaVinci clock config file
*
* Copyright (C) 2006 Texas Instruments.
*
* 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.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/arch/psc.h>
#include "clock.h"
/* PLL/Reset register offsets */
#define PLLM 0x110
static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
static DEFINE_SPINLOCK(clockfw_lock);
static unsigned int commonrate;
static unsigned int armrate;
static unsigned int fixedrate = 27000000; /* 27 MHZ */
extern void davinci_psc_config(unsigned int domain, unsigned int id, char enable);
/*
* Returns a clock. Note that we first try to use device id on the bus
* and clock name. If this fails, we try to use clock name only.
*/
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
int idno;
if (dev == NULL || dev->bus != &platform_bus_type)
idno = -1;
else
idno = to_platform_device(dev)->id;
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
if (p->id == idno &&
strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
goto found;
}
}
list_for_each_entry(p, &clocks, node) {
if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
break;
}
}
found:
mutex_unlock(&clocks_mutex);
return clk;
}
EXPORT_SYMBOL(clk_get);
void clk_put(struct clk *clk)
{
if (clk && !IS_ERR(clk))
module_put(clk->owner);
}
EXPORT_SYMBOL(clk_put);
static int __clk_enable(struct clk *clk)
{
if (clk->flags & ALWAYS_ENABLED)
return 0;
davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, clk->lpsc, 1);
return 0;
}
static void __clk_disable(struct clk *clk)
{
if (clk->usecount)
return;
davinci_psc_config(DAVINCI_GPSC_ARMDOMAIN, clk->lpsc, 0);
}
int clk_enable(struct clk *clk)
{
unsigned long flags;
int ret = 0;
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
if (clk->usecount++ == 0) {
spin_lock_irqsave(&clockfw_lock, flags);
ret = __clk_enable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
return ret;
}
EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
unsigned long flags;
if (clk == NULL || IS_ERR(clk))
return;
if (clk->usecount > 0 && !(--clk->usecount)) {
spin_lock_irqsave(&clockfw_lock, flags);
__clk_disable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
return *(clk->rate);
}
EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
return *(clk->rate);
}
EXPORT_SYMBOL(clk_round_rate);
int clk_set_rate(struct clk *clk, unsigned long rate)
{
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
/* changing the clk rate is not supported */
return -EINVAL;
}
EXPORT_SYMBOL(clk_set_rate);
int clk_register(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
mutex_lock(&clocks_mutex);
list_add(&clk->node, &clocks);
mutex_unlock(&clocks_mutex);
return 0;
}
EXPORT_SYMBOL(clk_register);
void clk_unregister(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return;
mutex_lock(&clocks_mutex);
list_del(&clk->node);
mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unregister);
static struct clk davinci_clks[] = {
{
.name = "ARMCLK",
.rate = &armrate,
.lpsc = -1,
.flags = ALWAYS_ENABLED,
},
{
.name = "UART",
.rate = &fixedrate,
.lpsc = DAVINCI_LPSC_UART0,
},
{
.name = "EMACCLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
},
{
.name = "I2CCLK",
.rate = &fixedrate,
.lpsc = DAVINCI_LPSC_I2C,
},
{
.name = "IDECLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_ATA,
},
{
.name = "McBSPCLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_McBSP,
},
{
.name = "MMCSDCLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_MMC_SD,
},
{
.name = "SPICLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_SPI,
},
{
.name = "gpio",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_GPIO,
},
{
.name = "AEMIFCLK",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_AEMIF,
.usecount = 1,
}
};
int __init davinci_clk_init(void)
{
struct clk *clkp;
int count = 0;
u32 pll_mult;
pll_mult = davinci_readl(DAVINCI_PLL_CNTRL0_BASE + PLLM);
commonrate = ((pll_mult + 1) * 27000000) / 6;
armrate = ((pll_mult + 1) * 27000000) / 2;
for (clkp = davinci_clks; count < ARRAY_SIZE(davinci_clks);
count++, clkp++) {
clk_register(clkp);
/* Turn on clocks that have been enabled in the
* table above */
if (clkp->usecount)
clk_enable(clkp);
}
return 0;
}
#ifdef CONFIG_PROC_FS
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
static void *davinci_ck_start(struct seq_file *m, loff_t *pos)
{
return *pos < 1 ? (void *)1 : NULL;
}
static void *davinci_ck_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return NULL;
}
static void davinci_ck_stop(struct seq_file *m, void *v)
{
}
static int davinci_ck_show(struct seq_file *m, void *v)
{
struct clk *cp;
list_for_each_entry(cp, &clocks, node)
seq_printf(m,"%s %d %d\n", cp->name, *(cp->rate), cp->usecount);
return 0;
}
static struct seq_operations davinci_ck_op = {
.start = davinci_ck_start,
.next = davinci_ck_next,
.stop = davinci_ck_stop,
.show = davinci_ck_show
};
static int davinci_ck_open(struct inode *inode, struct file *file)
{
return seq_open(file, &davinci_ck_op);
}
static struct file_operations proc_davinci_ck_operations = {
.open = davinci_ck_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int __init davinci_ck_proc_init(void)
{
struct proc_dir_entry *entry;
entry = create_proc_entry("davinci_clocks", 0, NULL);
if (entry)
entry->proc_fops = &proc_davinci_ck_operations;
return 0;
}
__initcall(davinci_ck_proc_init);
#endif /* CONFIG_DEBUG_PROC_FS */

33
arch/arm/mach-davinci/clock.h Normal file
View File

@ -0,0 +1,33 @@
/*
* TI DaVinci clock definitions
*
* Copyright (C) 2006 Texas Instruments.
*
* 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.
*/
#ifndef __ARCH_ARM_DAVINCI_CLOCK_H
#define __ARCH_ARM_DAVINCI_CLOCK_H
struct clk {
struct list_head node;
struct module *owner;
const char *name;
unsigned int *rate;
int id;
__s8 usecount;
__u8 flags;
__u8 lpsc;
};
/* Clock flags */
#define RATE_CKCTL 1
#define RATE_FIXED 2
#define RATE_PROPAGATES 4
#define VIRTUAL_CLOCK 8
#define ALWAYS_ENABLED 16
#define ENABLE_REG_32BIT 32
#endif

286
arch/arm/mach-davinci/gpio.c Normal file
View File

@ -0,0 +1,286 @@
/*
* TI DaVinci GPIO Support
*
* Copyright (c) 2006 David Brownell
* Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.com>
*
* 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.
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/bitops.h>
#include <asm/arch/irqs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/gpio.h>
#include <asm/mach/irq.h>
static DEFINE_SPINLOCK(gpio_lock);
static DECLARE_BITMAP(gpio_in_use, DAVINCI_N_GPIO);
int gpio_request(unsigned gpio, const char *tag)
{
if (gpio >= DAVINCI_N_GPIO)
return -EINVAL;
if (test_and_set_bit(gpio, gpio_in_use))
return -EBUSY;
return 0;
}
EXPORT_SYMBOL(gpio_request);
void gpio_free(unsigned gpio)
{
if (gpio >= DAVINCI_N_GPIO)
return;
clear_bit(gpio, gpio_in_use);
}
EXPORT_SYMBOL(gpio_free);
/* create a non-inlined version */
static struct gpio_controller *__iomem gpio2controller(unsigned gpio)
{
return __gpio_to_controller(gpio);
}
/*
* Assuming the pin is muxed as a gpio output, set its output value.
*/
void __gpio_set(unsigned gpio, int value)
{
struct gpio_controller *__iomem g = gpio2controller(gpio);
__raw_writel(__gpio_mask(gpio), value ? &g->set_data : &g->clr_data);
}
EXPORT_SYMBOL(__gpio_set);
/*
* Read the pin's value (works even if it's set up as output);
* returns zero/nonzero.
*
* Note that changes are synched to the GPIO clock, so reading values back
* right after you've set them may give old values.
*/
int __gpio_get(unsigned gpio)
{
struct gpio_controller *__iomem g = gpio2controller(gpio);
return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data));
}
EXPORT_SYMBOL(__gpio_get);
/*--------------------------------------------------------------------------*/
/*
* board setup code *MUST* set PINMUX0 and PINMUX1 as
* needed, and enable the GPIO clock.
*/
int gpio_direction_input(unsigned gpio)
{
struct gpio_controller *__iomem g = gpio2controller(gpio);
u32 temp;
u32 mask;
if (!g)
return -EINVAL;
spin_lock(&gpio_lock);
mask = __gpio_mask(gpio);
temp = __raw_readl(&g->dir);
temp |= mask;
__raw_writel(temp, &g->dir);
spin_unlock(&gpio_lock);
return 0;
}
EXPORT_SYMBOL(gpio_direction_input);
int gpio_direction_output(unsigned gpio, int value)
{
struct gpio_controller *__iomem g = gpio2controller(gpio);
u32 temp;
u32 mask;
if (!g)
return -EINVAL;
spin_lock(&gpio_lock);
mask = __gpio_mask(gpio);
temp = __raw_readl(&g->dir);
temp &= ~mask;
__raw_writel(mask, value ? &g->set_data : &g->clr_data);
__raw_writel(temp, &g->dir);
spin_unlock(&gpio_lock);
return 0;
}
EXPORT_SYMBOL(gpio_direction_output);
/*
* We expect irqs will normally be set up as input pins, but they can also be
* used as output pins ... which is convenient for testing.
*
* NOTE: GPIO0..GPIO7 also have direct INTC hookups, which work in addition
* to their GPIOBNK0 irq (but with a bit less overhead). But we don't have
* a good way to hook those up ...
*
* All those INTC hookups (GPIO0..GPIO7 plus five IRQ banks) can also
* serve as EDMA event triggers.
*/
static void gpio_irq_disable(unsigned irq)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
u32 mask = __gpio_mask(irq_to_gpio(irq));
__raw_writel(mask, &g->clr_falling);
__raw_writel(mask, &g->clr_rising);
}
static void gpio_irq_enable(unsigned irq)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
u32 mask = __gpio_mask(irq_to_gpio(irq));
if (irq_desc[irq].status & IRQ_TYPE_EDGE_FALLING)
__raw_writel(mask, &g->set_falling);
if (irq_desc[irq].status & IRQ_TYPE_EDGE_RISING)
__raw_writel(mask, &g->set_rising);
}
static int gpio_irq_type(unsigned irq, unsigned trigger)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
u32 mask = __gpio_mask(irq_to_gpio(irq));
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
return -EINVAL;
irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK;
irq_desc[irq].status |= trigger;
__raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING)
? &g->set_falling : &g->clr_falling);
__raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING)
? &g->set_rising : &g->clr_rising);
return 0;
}
static struct irq_chip gpio_irqchip = {
.name = "GPIO",
.enable = gpio_irq_enable,
.disable = gpio_irq_disable,
.set_type = gpio_irq_type,
};
static void
gpio_irq_handler(unsigned irq, struct irq_desc *desc)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
u32 mask = 0xffff;
/* we only care about one bank */
if (irq & 1)
mask <<= 16;
/* temporarily mask (level sensitive) parent IRQ */
desc->chip->ack(irq);
while (1) {
u32 status;
struct irq_desc *gpio;
int n;
int res;
/* ack any irqs */
status = __raw_readl(&g->intstat) & mask;
if (!status)
break;
__raw_writel(status, &g->intstat);
if (irq & 1)
status >>= 16;
/* now demux them to the right lowlevel handler */
n = (int)get_irq_data(irq);
gpio = &irq_desc[n];
while (status) {
res = ffs(status);
n += res;
gpio += res;
desc_handle_irq(n - 1, gpio - 1);
status >>= res;
}
}
desc->chip->unmask(irq);
/* now it may re-trigger */
}
/*
* NOTE: for suspend/resume, probably best to make a sysdev (and class)
* with its suspend/resume calls hooking into the results of the set_wake()
* calls ... so if no gpios are wakeup events the clock can be disabled,
* with outputs left at previously set levels, and so that VDD3P3V.IOPWDN0
* can be set appropriately for GPIOV33 pins.
*/
static int __init davinci_gpio_irq_setup(void)
{
unsigned gpio, irq, bank;
struct clk *clk;
clk = clk_get(NULL, "gpio");
if (IS_ERR(clk)) {
printk(KERN_ERR "Error %ld getting gpio clock?\n",
PTR_ERR(clk));
return 0;
}
clk_enable(clk);
for (gpio = 0, irq = gpio_to_irq(0), bank = IRQ_GPIOBNK0;
gpio < DAVINCI_N_GPIO; bank++) {
struct gpio_controller *__iomem g = gpio2controller(gpio);
unsigned i;
__raw_writel(~0, &g->clr_falling);
__raw_writel(~0, &g->clr_rising);
/* set up all irqs in this bank */
set_irq_chained_handler(bank, gpio_irq_handler);
set_irq_chip_data(bank, g);
set_irq_data(bank, (void *)irq);
for (i = 0; i < 16 && gpio < DAVINCI_N_GPIO;
i++, irq++, gpio++) {
set_irq_chip(irq, &gpio_irqchip);
set_irq_chip_data(irq, g);
set_irq_handler(irq, handle_simple_irq);
set_irq_flags(irq, IRQF_VALID);
}
}
/* BINTEN -- per-bank interrupt enable. genirq would also let these
* bits be set/cleared dynamically.
*/
__raw_writel(0x1f, (void *__iomem)
IO_ADDRESS(DAVINCI_GPIO_BASE + 0x08));
printk(KERN_INFO "DaVinci: %d gpio irqs\n", irq - gpio_to_irq(0));
return 0;
}
arch_initcall(davinci_gpio_irq_setup);

6
arch/arm/mach-davinci/io.c
View File

@ -17,6 +17,7 @@
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <asm/arch/clock.h>
extern void davinci_check_revision(void);
@ -49,3 +50,8 @@ void __init davinci_map_common_io(void)
*/
davinci_check_revision();
}
void __init davinci_init_common_hw(void)
{
davinci_clk_init();
}

41
arch/arm/mach-davinci/mux.c Normal file
View File

@ -0,0 +1,41 @@
/*
* DaVinci pin multiplexing configurations
*
* Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/io.h>
#include <linux/spinlock.h>
#include <asm/hardware.h>
#include <asm/arch/mux.h>
/* System control register offsets */
#define PINMUX0 0x00
#define PINMUX1 0x04
static DEFINE_SPINLOCK(mux_lock);
void davinci_mux_peripheral(unsigned int mux, unsigned int enable)
{
u32 pinmux, muxreg = PINMUX0;
if (mux >= DAVINCI_MUX_LEVEL2) {
muxreg = PINMUX1;
mux -= DAVINCI_MUX_LEVEL2;
}
spin_lock(&mux_lock);
pinmux = davinci_readl(DAVINCI_SYSTEM_MODULE_BASE + muxreg);
if (enable)
pinmux |= (1 << mux);
else
pinmux &= ~(1 << mux);
davinci_writel(pinmux, DAVINCI_SYSTEM_MODULE_BASE + muxreg);
spin_unlock(&mux_lock);
}

87
arch/arm/mach-davinci/psc.c
View File

@ -25,39 +25,40 @@
#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/arch/psc.h>
#include <asm/arch/mux.h>
#define PTCMD __REG(0x01C41120)
#define PDSTAT __REG(0x01C41200)
#define PDCTL1 __REG(0x01C41304)
#define EPCPR __REG(0x01C41070)
#define PTSTAT __REG(0x01C41128)
/* PSC register offsets */
#define EPCPR 0x070
#define PTCMD 0x120
#define PTSTAT 0x128
#define PDSTAT 0x200
#define PDCTL1 0x304
#define MDSTAT 0x800
#define MDCTL 0xA00
#define MDSTAT IO_ADDRESS(0x01C41800)
#define MDCTL IO_ADDRESS(0x01C41A00)
#define PINMUX0 __REG(0x01c40000)
#define PINMUX1 __REG(0x01c40004)
#define VDD3P3V_PWDN __REG(0x01C40048)
/* System control register offsets */
#define VDD3P3V_PWDN 0x48
static void davinci_psc_mux(unsigned int id)
{
switch (id) {
case DAVINCI_LPSC_ATA:
PINMUX0 |= (1 << 17) | (1 << 16);
davinci_mux_peripheral(DAVINCI_MUX_HDIREN, 1);
davinci_mux_peripheral(DAVINCI_MUX_ATAEN, 1);
break;
case DAVINCI_LPSC_MMC_SD:
/* VDD power manupulations are done in U-Boot for CPMAC
* so applies to MMC as well
*/
/*Set up the pull regiter for MMC */
VDD3P3V_PWDN = 0x0;
PINMUX1 &= (~(1 << 9));
davinci_writel(0, DAVINCI_SYSTEM_MODULE_BASE + VDD3P3V_PWDN);
davinci_mux_peripheral(DAVINCI_MUX_MSTK, 0);
break;
case DAVINCI_LPSC_I2C:
PINMUX1 |= (1 << 7);
davinci_mux_peripheral(DAVINCI_MUX_I2C, 1);
break;
case DAVINCI_LPSC_McBSP:
PINMUX1 |= (1 << 10);
davinci_mux_peripheral(DAVINCI_MUX_ASP, 1);
break;
default:
break;
@ -67,33 +68,59 @@ static void davinci_psc_mux(unsigned int id)
/* Enable or disable a PSC domain */
void davinci_psc_config(unsigned int domain, unsigned int id, char enable)
{
volatile unsigned int *mdstat = (unsigned int *)((int)MDSTAT + 4 * id);
volatile unsigned int *mdctl = (unsigned int *)((int)MDCTL + 4 * id);
u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl, mdstat_mask;
if (id < 0)
return;
mdctl = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + MDCTL + 4 * id);
if (enable)
*mdctl |= 0x00000003; /* Enable Module */
mdctl |= 0x00000003; /* Enable Module */
else
*mdctl &= 0xFFFFFFF2; /* Disable Module */
mdctl &= 0xFFFFFFF2; /* Disable Module */
davinci_writel(mdctl, DAVINCI_PWR_SLEEP_CNTRL_BASE + MDCTL + 4 * id);
if ((PDSTAT & 0x00000001) == 0) {
PDCTL1 |= 0x1;
PTCMD = (1 << domain);
while ((((EPCPR >> domain) & 1) == 0));
pdstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDSTAT);
if ((pdstat & 0x00000001) == 0) {
pdctl1 = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1);
pdctl1 |= 0x1;
davinci_writel(pdctl1, DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1);
PDCTL1 |= 0x100;
while (!(((PTSTAT >> domain) & 1) == 0));
ptcmd = 1 << domain;
davinci_writel(ptcmd, DAVINCI_PWR_SLEEP_CNTRL_BASE + PTCMD);
do {
epcpr = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE +
EPCPR);
} while ((((epcpr >> domain) & 1) == 0));
pdctl1 = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1);
pdctl1 |= 0x100;
davinci_writel(pdctl1, DAVINCI_PWR_SLEEP_CNTRL_BASE + PDCTL1);
do {
ptstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE +
PTSTAT);
} while (!(((ptstat >> domain) & 1) == 0));
} else {
PTCMD = (1 << domain);
while (!(((PTSTAT >> domain) & 1) == 0));
ptcmd = 1 << domain;
davinci_writel(ptcmd, DAVINCI_PWR_SLEEP_CNTRL_BASE + PTCMD);
do {
ptstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE +
PTSTAT);
} while (!(((ptstat >> domain) & 1) == 0));
}
if (enable)
while (!((*mdstat & 0x0000001F) == 0x3));
mdstat_mask = 0x3;
else
while (!((*mdstat & 0x0000001F) == 0x2));
mdstat_mask = 0x2;
do {
mdstat = davinci_readl(DAVINCI_PWR_SLEEP_CNTRL_BASE +
MDSTAT + 4 * id);
} while (!((mdstat & 0x0000001F) == mdstat_mask));
if (enable)
davinci_psc_mux(id);

118
arch/arm/mach-imx/generic.c
View File

@ -28,12 +28,16 @@
#include <linux/module.h>
#include <linux/string.h>
#include <asm/errno.h>
#include <asm/arch/imxfb.h>
#include <asm/hardware.h>
#include <asm/arch/imx-regs.h>
#include <asm/mach/map.h>
#include <asm/arch/mmc.h>
#include <asm/arch/gpio.h>
unsigned long imx_gpio_alloc_map[(GPIO_PORT_MAX + 1) * 32 / BITS_PER_LONG];
void imx_gpio_mode(int gpio_mode)
{
@ -95,6 +99,120 @@ void imx_gpio_mode(int gpio_mode)
EXPORT_SYMBOL(imx_gpio_mode);
int imx_gpio_request(unsigned gpio, const char *label)
{
if(gpio >= (GPIO_PORT_MAX + 1) * 32)
printk(KERN_ERR "imx_gpio: Attempt to request nonexistent GPIO %d for \"%s\"\n",
gpio, label ? label : "?");
return -EINVAL;
if(test_and_set_bit(gpio, imx_gpio_alloc_map)) {
printk(KERN_ERR "imx_gpio: GPIO %d already used. Allocation for \"%s\" failed\n",
gpio, label ? label : "?");
return -EBUSY;
}
return 0;
}
EXPORT_SYMBOL(imx_gpio_request);
void imx_gpio_free(unsigned gpio)
{
if(gpio >= (GPIO_PORT_MAX + 1) * 32)
return;
clear_bit(gpio, imx_gpio_alloc_map);
}
EXPORT_SYMBOL(imx_gpio_free);
int imx_gpio_direction_input(unsigned gpio)
{
imx_gpio_mode(gpio| GPIO_IN);
return 0;
}
EXPORT_SYMBOL(imx_gpio_direction_input);
int imx_gpio_direction_output(unsigned gpio, int value)
{
imx_gpio_set_value(gpio, value);
imx_gpio_mode(gpio| GPIO_OUT);
return 0;
}
EXPORT_SYMBOL(imx_gpio_direction_output);
int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
int alloc_mode, const char *label)
{
const int *p = pin_list;
int i;
unsigned gpio;
unsigned mode;
for (i = 0; i < count; i++) {
gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
if (gpio >= (GPIO_PORT_MAX + 1) * 32)
goto setup_error;
if (alloc_mode & IMX_GPIO_ALLOC_MODE_RELEASE)
imx_gpio_free(gpio);
else if (!(alloc_mode & IMX_GPIO_ALLOC_MODE_NO_ALLOC))
if (imx_gpio_request(gpio, label))
if (!(alloc_mode & IMX_GPIO_ALLOC_MODE_TRY_ALLOC))
goto setup_error;
if (!(alloc_mode & (IMX_GPIO_ALLOC_MODE_ALLOC_ONLY |
IMX_GPIO_ALLOC_MODE_RELEASE)))
imx_gpio_mode(gpio | mode);
p++;
}
return 0;
setup_error:
if(alloc_mode & (IMX_GPIO_ALLOC_MODE_NO_ALLOC |
IMX_GPIO_ALLOC_MODE_TRY_ALLOC))
return -EINVAL;
while (p != pin_list) {
p--;
gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
imx_gpio_free(gpio);
}
return -EINVAL;
}
EXPORT_SYMBOL(imx_gpio_setup_multiple_pins);
void __imx_gpio_set_value(unsigned gpio, int value)
{
imx_gpio_set_value_inline(gpio, value);
}
EXPORT_SYMBOL(__imx_gpio_set_value);
int imx_gpio_to_irq(unsigned gpio)
{
return IRQ_GPIOA(0) + gpio;
}
EXPORT_SYMBOL(imx_gpio_to_irq);
int imx_irq_to_gpio(unsigned irq)
{
if (irq < IRQ_GPIOA(0))
return -EINVAL;
return irq - IRQ_GPIOA(0);
}
EXPORT_SYMBOL(imx_irq_to_gpio);
/*
* get the system pll clock in Hz
*

121
arch/arm/mach-imx/time.c
View File

@ -3,6 +3,7 @@
*
* Copyright (C) 2000-2001 Deep Blue Solutions
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright (C) 2006-2007 Pavel Pisa (ppisa@pikron.com)
*
* 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
@ -15,6 +16,7 @@
#include <linux/irq.h>
#include <linux/time.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/hardware.h>
#include <asm/io.h>
@ -25,7 +27,8 @@
/* Use timer 1 as system timer */
#define TIMER_BASE IMX_TIM1_BASE
static unsigned long evt_diff;
static struct clock_event_device clockevent_imx;
static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
/*
* IRQ handler for the timer
@ -33,25 +36,20 @@ static unsigned long evt_diff;
static irqreturn_t
imx_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &clockevent_imx;
uint32_t tstat;
irqreturn_t ret = IRQ_NONE;
/* clear the interrupt */
tstat = IMX_TSTAT(TIMER_BASE);
IMX_TSTAT(TIMER_BASE) = 0;
if (tstat & TSTAT_COMP) {
do {
write_seqlock(&xtime_lock);
timer_tick();
write_sequnlock(&xtime_lock);
IMX_TCMP(TIMER_BASE) += evt_diff;
} while (unlikely((int32_t)(IMX_TCMP(TIMER_BASE)
- IMX_TCN(TIMER_BASE)) < 0));
evt->event_handler(evt);
ret = IRQ_HANDLED;
}
return IRQ_HANDLED;
return ret;
}
static struct irqaction imx_timer_irq = {
@ -70,10 +68,8 @@ static void __init imx_timer_hardware_init(void)
*/
IMX_TCTL(TIMER_BASE) = 0;
IMX_TPRER(TIMER_BASE) = 0;
IMX_TCMP(TIMER_BASE) = LATCH - 1;
IMX_TCTL(TIMER_BASE) = TCTL_FRR | TCTL_CLK_PCLK1 | TCTL_IRQEN | TCTL_TEN;
evt_diff = LATCH;
IMX_TCTL(TIMER_BASE) = TCTL_FRR | TCTL_CLK_PCLK1 | TCTL_TEN;
}
cycle_t imx_get_cycles(void)
@ -99,11 +95,108 @@ static int __init imx_clocksource_init(void)
return 0;
}
static int imx_set_next_event(unsigned long evt,
struct clock_event_device *unused)
{
unsigned long tcmp;
tcmp = IMX_TCN(TIMER_BASE) + evt;
IMX_TCMP(TIMER_BASE) = tcmp;
return (int32_t)(tcmp - IMX_TCN(TIMER_BASE)) < 0 ? -ETIME : 0;
}
#ifdef DEBUG
static const char *clock_event_mode_label[]={
[CLOCK_EVT_MODE_PERIODIC] = "CLOCK_EVT_MODE_PERIODIC",
[CLOCK_EVT_MODE_ONESHOT] = "CLOCK_EVT_MODE_ONESHOT",
[CLOCK_EVT_MODE_SHUTDOWN] = "CLOCK_EVT_MODE_SHUTDOWN",
[CLOCK_EVT_MODE_UNUSED] = "CLOCK_EVT_MODE_UNUSED"
};
#endif /*DEBUG*/
static void imx_set_mode(enum clock_event_mode mode, struct clock_event_device *evt)
{
unsigned long flags;
/*
* The timer interrupt generation is disabled at least
* for enough time to call imx_set_next_event()
*/
local_irq_save(flags);
/* Disable interrupt in GPT module */
IMX_TCTL(TIMER_BASE) &= ~TCTL_IRQEN;
if (mode != clockevent_mode) {
/* Set event time into far-far future */
IMX_TCMP(TIMER_BASE) = IMX_TCN(TIMER_BASE) - 3;
/* Clear pending interrupt */
IMX_TSTAT(TIMER_BASE) &= ~TSTAT_COMP;
}
#ifdef DEBUG
printk(KERN_INFO "imx_set_mode: changing mode from %s to %s\n",
clock_event_mode_label[clockevent_mode], clock_event_mode_label[mode]);
#endif /*DEBUG*/
/* Remember timer mode */
clockevent_mode = mode;
local_irq_restore(flags);
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
printk(KERN_ERR "imx_set_mode: Periodic mode is not supported for i.MX\n");
break;
case CLOCK_EVT_MODE_ONESHOT:
/*
* Do not put overhead of interrupt enable/disable into
* imx_set_next_event(), the core has about 4 minutes
* to call imx_set_next_event() or shutdown clock after
* mode switching
*/
local_irq_save(flags);
IMX_TCTL(TIMER_BASE) |= TCTL_IRQEN;
local_irq_restore(flags);
break;
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_UNUSED:
/* Left event sources disabled, no more interrupts appears */
break;
}
}
static struct clock_event_device clockevent_imx = {
.name = "imx_timer1",
.features = CLOCK_EVT_FEAT_ONESHOT,
.shift = 32,
.set_mode = imx_set_mode,
.set_next_event = imx_set_next_event,
.rating = 200,
};
static int __init imx_clockevent_init(void)
{
clockevent_imx.mult = div_sc(imx_get_perclk1(), NSEC_PER_SEC,
clockevent_imx.shift);
clockevent_imx.max_delta_ns =
clockevent_delta2ns(0xfffffffe, &clockevent_imx);
clockevent_imx.min_delta_ns =
clockevent_delta2ns(0xf, &clockevent_imx);
clockevent_imx.cpumask = cpumask_of_cpu(0);
clockevents_register_device(&clockevent_imx);
return 0;
}
static void __init imx_timer_init(void)
{
imx_timer_hardware_init();
imx_clocksource_init();
imx_clockevent_init();
/*
* Make irqs happen for the system timer
*/

32
arch/arm/mach-iop13xx/tpmi.c
View File

@ -29,13 +29,15 @@
#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_IOP_CTRL(dev) (IOP13XX_TPMI_CTRL(dev) + 0x2000)
#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
#define IOP13XX_TPMI_RESOURCE_IOP_CTRL 3
#define IOP13XX_TPMI_RESOURCE_IRQ 4
static struct resource iop13xx_tpmi_0_resources[] = {
[IOP13XX_TPMI_RESOURCE_MMR] = {
@ -53,6 +55,11 @@ static struct resource iop13xx_tpmi_0_resources[] = {
.end = IOP13XX_TPMI_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
.start = IOP13XX_TPMI_IOP_CTRL(0),
.end = IOP13XX_TPMI_IOP_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI0_OUT,
.end = IRQ_IOP13XX_TPMI0_OUT,
@ -76,6 +83,11 @@ static struct resource iop13xx_tpmi_1_resources[] = {
.end = IOP13XX_TPMI_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
.start = IOP13XX_TPMI_IOP_CTRL(1),
.end = IOP13XX_TPMI_IOP_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI1_OUT,
.end = IRQ_IOP13XX_TPMI1_OUT,
@ -99,6 +111,11 @@ static struct resource iop13xx_tpmi_2_resources[] = {
.end = IOP13XX_TPMI_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
.start = IOP13XX_TPMI_IOP_CTRL(2),
.end = IOP13XX_TPMI_IOP_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI2_OUT,
.end = IRQ_IOP13XX_TPMI2_OUT,
@ -122,6 +139,11 @@ static struct resource iop13xx_tpmi_3_resources[] = {
.end = IOP13XX_TPMI_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
.start = IOP13XX_TPMI_IOP_CTRL(3),
.end = IOP13XX_TPMI_IOP_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,
.flags = IORESOURCE_MEM,
},
[IOP13XX_TPMI_RESOURCE_IRQ] = {
.start = IRQ_IOP13XX_TPMI3_OUT,
.end = IRQ_IOP13XX_TPMI3_OUT,
@ -133,7 +155,7 @@ u64 iop13xx_tpmi_mask = DMA_64BIT_MASK;
static struct platform_device iop13xx_tpmi_0_device = {
.name = "iop-tpmi",
.id = 0,
.num_resources = 4,
.num_resources = ARRAY_SIZE(iop13xx_tpmi_0_resources),
.resource = iop13xx_tpmi_0_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
@ -144,7 +166,7 @@ static struct platform_device iop13xx_tpmi_0_device = {
static struct platform_device iop13xx_tpmi_1_device = {
.name = "iop-tpmi",
.id = 1,
.num_resources = 4,
.num_resources = ARRAY_SIZE(iop13xx_tpmi_1_resources),
.resource = iop13xx_tpmi_1_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
@ -155,7 +177,7 @@ static struct platform_device iop13xx_tpmi_1_device = {
static struct platform_device iop13xx_tpmi_2_device = {
.name = "iop-tpmi",
.id = 2,
.num_resources = 4,
.num_resources = ARRAY_SIZE(iop13xx_tpmi_2_resources),
.resource = iop13xx_tpmi_2_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,
@ -166,7 +188,7 @@ static struct platform_device iop13xx_tpmi_2_device = {
static struct platform_device iop13xx_tpmi_3_device = {
.name = "iop-tpmi",
.id = 3,
.num_resources = 4,
.num_resources = ARRAY_SIZE(iop13xx_tpmi_3_resources),
.resource = iop13xx_tpmi_3_resources,
.dev = {
.dma_mask = &iop13xx_tpmi_mask,

16
arch/arm/mach-ixp4xx/Kconfig
View File

@ -41,6 +41,22 @@ config ARCH_ADI_COYOTE
Engineering Coyote Gateway Reference Platform. For more
information on this platform, see <file:Documentation/arm/IXP4xx>.
config MACH_GATEWAY7001
bool "Gateway 7001"
select PCI
help
Say 'Y' here if you want your kernel to support Gateway's
7001 Access Point. For more information on this platform,
see http://openwrt.org
config MACH_WG302V2
bool "Netgear WG302 v2 / WAG302 v2"
select PCI
help
Say 'Y' here if you want your kernel to support Netgear's
WG302 v2 or WAG302 v2 Access Points. For more information
on this platform, see http://openwrt.org
config ARCH_IXDP425
bool "IXDP425"
help

4
arch/arm/mach-ixp4xx/Makefile
View File

@ -13,6 +13,8 @@ obj-pci-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o
obj-pci-$(CONFIG_MACH_NSLU2) += nslu2-pci.o
obj-pci-$(CONFIG_MACH_NAS100D) += nas100d-pci.o
obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o
obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o
obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
obj-y += common.o
@ -24,5 +26,7 @@ obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-setup.o
obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o nslu2-power.o
obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o nas100d-power.o
obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o

63
arch/arm/mach-ixp4xx/gateway7001-pci.c Normal file
View File

@ -0,0 +1,63 @@
/*
* arch/arch/mach-ixp4xx/gateway7001-pci.c
*
* PCI setup routines for Gateway 7001
*
* Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
*
* based on coyote-pci.c:
* Copyright (C) 2002 Jungo Software Technologies.
* Copyright (C) 2003 MontaVista Softwrae, Inc.
*
* Maintainer: Imre Kaloz <kaloz@openwrt.org>
*
* 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/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/mach/pci.h>
void __init gateway7001_pci_preinit(void)
{
set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
ixp4xx_pci_preinit();
}
static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
if (slot == 1)
return IRQ_IXP4XX_GPIO11;
else if (slot == 2)
return IRQ_IXP4XX_GPIO10;
else return -1;
}
struct hw_pci gateway7001_pci __initdata = {
.nr_controllers = 1,
.preinit = gateway7001_pci_preinit,
.swizzle = pci_std_swizzle,
.setup = ixp4xx_setup,
.scan = ixp4xx_scan_bus,
.map_irq = gateway7001_map_irq,
};
int __init gateway7001_pci_init(void)
{
if (machine_is_gateway7001())
pci_common_init(&gateway7001_pci);
return 0;
}
subsys_initcall(gateway7001_pci_init);

108
arch/arm/mach-ixp4xx/gateway7001-setup.c Normal file
View File

@ -0,0 +1,108 @@
/*
* arch/arm/mach-ixp4xx/gateway7001-setup.c
*
* Board setup for the Gateway 7001 board
*
* Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
*
* based on coyote-setup.c:
* Copyright (C) 2003-2005 MontaVista Software, Inc.
*
* Author: Imre Kaloz <Kaloz@openwrt.org>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
static struct flash_platform_data gateway7001_flash_data = {
.map_name = "cfi_probe",
.width = 2,
};
static struct resource gateway7001_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device gateway7001_flash = {
.name = "IXP4XX-Flash",
.id = 0,
.dev = {
.platform_data = &gateway7001_flash_data,
},
.num_resources = 1,
.resource = &gateway7001_flash_resource,
};
static struct resource gateway7001_uart_resource = {
.start = IXP4XX_UART2_BASE_PHYS,
.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM,
};
static struct plat_serial8250_port gateway7001_uart_data[] = {
{
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
{ },
};
static struct platform_device gateway7001_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = gateway7001_uart_data,
},
.num_resources = 1,
.resource = &gateway7001_uart_resource,
};
static struct platform_device *gateway7001_devices[] __initdata = {
&gateway7001_flash,
&gateway7001_uart
};
static void __init gateway7001_init(void)
{
ixp4xx_sys_init();
gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
}
#ifdef CONFIG_MACH_GATEWAY7001
MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
.map_io = ixp4xx_map_io,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.boot_params = 0x0100,
.init_machine = gateway7001_init,
MACHINE_END
#endif

8
arch/arm/mach-ixp4xx/gtwx5715-pci.c
View File

@ -25,17 +25,13 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/arch/gtwx5715.h>
#include <asm/mach/pci.h>
extern void ixp4xx_pci_preinit(void);
extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
/*
* The exact GPIO pins and IRQs are defined in arch-ixp4xx/gtwx5715.h
* Slot 0 isn't actually populated with a card connector but

96
arch/arm/mach-ixp4xx/ixdp425-setup.c
View File

@ -15,6 +15,10 @@
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <asm/types.h>
#include <asm/setup.h>
@ -24,6 +28,7 @@
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/delay.h>
static struct flash_platform_data ixdp425_flash_data = {
.map_name = "cfi_probe",
@ -44,6 +49,77 @@ static struct platform_device ixdp425_flash = {
.resource = &ixdp425_flash_resource,
};
#if defined(CONFIG_MTD_NAND_PLATFORM) || \
defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
#ifdef CONFIG_MTD_PARTITIONS
const char *part_probes[] = { "cmdlinepart", NULL };
static struct mtd_partition ixdp425_partitions[] = {
{
.name = "ixp400 NAND FS 0",
.offset = 0,
.size = SZ_8M
}, {
.name = "ixp400 NAND FS 1",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL
},
};
#endif
static void
ixdp425_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *this = mtd->priv;
int offset = (int)this->priv;
if (ctrl & NAND_CTRL_CHANGE) {
if (ctrl & NAND_NCE) {
gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_LOW);
udelay(5);
} else
gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_HIGH);
offset = (ctrl & NAND_CLE) ? IXDP425_NAND_CMD_BYTE : 0;
offset |= (ctrl & NAND_ALE) ? IXDP425_NAND_ADDR_BYTE : 0;
this->priv = (void *)offset;
}
if (cmd != NAND_CMD_NONE)
writeb(cmd, this->IO_ADDR_W + offset);
}
static struct platform_nand_data ixdp425_flash_nand_data = {
.chip = {
.chip_delay = 30,
.options = NAND_NO_AUTOINCR,
#ifdef CONFIG_MTD_PARTITIONS
.part_probe_types = part_probes,
.partitions = ixdp425_partitions,
.nr_partitions = ARRAY_SIZE(ixdp425_partitions),
#endif
},
.ctrl = {
.cmd_ctrl = ixdp425_flash_nand_cmd_ctrl
}
};
static struct resource ixdp425_flash_nand_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device ixdp425_flash_nand = {
.name = "gen_nand",
.id = -1,
.dev = {
.platform_data = &ixdp425_flash_nand_data,
},
.num_resources = 1,
.resource = &ixdp425_flash_nand_resource,
};
#endif /* CONFIG_MTD_NAND_PLATFORM */
static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
.sda_pin = IXDP425_SDA_PIN,
.scl_pin = IXDP425_SCL_PIN,
@ -104,6 +180,10 @@ static struct platform_device ixdp425_uart = {
static struct platform_device *ixdp425_devices[] __initdata = {
&ixdp425_i2c_controller,
&ixdp425_flash,
#if defined(CONFIG_MTD_NAND_PLATFORM) || \
defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
&ixdp425_flash_nand,
#endif
&ixdp425_uart
};
@ -115,6 +195,22 @@ static void __init ixdp425_init(void)
ixdp425_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
#if defined(CONFIG_MTD_NAND_PLATFORM) || \
defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
ixdp425_flash_nand_resource.start = IXP4XX_EXP_BUS_BASE(3),
ixdp425_flash_nand_resource.end = IXP4XX_EXP_BUS_BASE(3) + 0x10 - 1;
gpio_line_config(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_OUT);
/* Configure expansion bus for NAND Flash */
*IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_STROBE_T(1) | /* extend by 1 clock */
IXP4XX_EXP_BUS_CYCLES(0) | /* Intel cycles */
IXP4XX_EXP_BUS_SIZE(0) | /* 512bytes addr space*/
IXP4XX_EXP_BUS_WR_EN |
IXP4XX_EXP_BUS_BYTE_EN; /* 8 bit data bus */
#endif
if (cpu_is_ixp43x()) {
ixdp425_uart.num_resources = 1;
ixdp425_uart_data[1].flags = 0;

63
arch/arm/mach-ixp4xx/wg302v2-pci.c Normal file
View File

@ -0,0 +1,63 @@
/*
* arch/arch/mach-ixp4xx/wg302v2-pci.c
*
* PCI setup routines for the Netgear WG302 v2 and WAG302 v2
*
* Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
*
* based on coyote-pci.c:
* Copyright (C) 2002 Jungo Software Technologies.
* Copyright (C) 2003 MontaVista Software, Inc.
*
* Maintainer: Imre Kaloz <kaloz@openwrt.org>
*
* 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/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/mach/pci.h>
void __init wg302v2_pci_preinit(void)
{
set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
ixp4xx_pci_preinit();
}
static int __init wg302v2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
if (slot == 1)
return IRQ_IXP4XX_GPIO8;
else if (slot == 2)
return IRQ_IXP4XX_GPIO9;
else return -1;
}
struct hw_pci wg302v2_pci __initdata = {
.nr_controllers = 1,
.preinit = wg302v2_pci_preinit,
.swizzle = pci_std_swizzle,
.setup = ixp4xx_setup,
.scan = ixp4xx_scan_bus,
.map_irq = wg302v2_map_irq,
};
int __init wg302v2_pci_init(void)
{
if (machine_is_wg302v2())
pci_common_init(&wg302v2_pci);
return 0;
}
subsys_initcall(wg302v2_pci_init);

109
arch/arm/mach-ixp4xx/wg302v2-setup.c Normal file
View File

@ -0,0 +1,109 @@
/*
* arch/arm/mach-ixp4xx/wg302-setup.c
*
* Board setup for the Netgear WG302 v2 and WAG302 v2
*
* Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
*
* based on coyote-setup.c:
* Copyright (C) 2003-2005 MontaVista Software, Inc.
*
* Author: Imre Kaloz <kaloz@openwrt.org>
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/slab.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
static struct flash_platform_data wg302v2_flash_data = {
.map_name = "cfi_probe",
.width = 2,
};
static struct resource wg302v2_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device wg302v2_flash = {
.name = "IXP4XX-Flash",
.id = 0,
.dev = {
.platform_data = &wg302v2_flash_data,
},
.num_resources = 1,
.resource = &wg302v2_flash_resource,
};
static struct resource wg302v2_uart_resource = {
.start = IXP4XX_UART2_BASE_PHYS,
.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM,
};
static struct plat_serial8250_port wg302v2_uart_data[] = {
{
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
{ },
};
static struct platform_device wg302v2_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = wg302v2_uart_data,
},
.num_resources = 1,
.resource = &wg302v2_uart_resource,
};
static struct platform_device *wg302v2_devices[] __initdata = {
&wg302v2_flash,
&wg302v2_uart,
};
static void __init wg302v2_init(void)
{
ixp4xx_sys_init();
wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
}
#ifdef CONFIG_MACH_WG302V2
MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
.map_io = ixp4xx_map_io,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.boot_params = 0x0100,
.init_machine = wg302v2_init,
MACHINE_END
#endif

2
arch/arm/mach-ks8695/Makefile
View File

@ -3,7 +3,7 @@
# Makefile for KS8695 architecture support
#
obj-y := cpu.o irq.o time.o devices.o
obj-y := cpu.o irq.o time.o gpio.o devices.o
obj-m :=
obj-n :=
obj- :=

218
arch/arm/mach-ks8695/gpio.c Normal file
View File

@ -0,0 +1,218 @@
/*
* arch/arm/mach-ks8695/gpio.c
*
* Copyright (C) 2006 Andrew Victor
*
* 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.
*
* 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/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/module.h>
#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/mach/irq.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/gpio.h>
/*
* Configure a GPIO line for either GPIO function, or its internal
* function (Interrupt, Timer, etc).
*/
static void __init_or_module ks8695_gpio_mode(unsigned int pin, short gpio)
{
unsigned int enable[] = { IOPC_IOEINT0EN, IOPC_IOEINT1EN, IOPC_IOEINT2EN, IOPC_IOEINT3EN, IOPC_IOTIM0EN, IOPC_IOTIM1EN };
unsigned long x, flags;
if (pin > KS8695_GPIO_5) /* only GPIO 0..5 have internal functions */
return;
local_irq_save(flags);
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPC);
if (gpio) /* GPIO: set bit to 0 */
x &= ~enable[pin];
else /* Internal function: set bit to 1 */
x |= enable[pin];
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPC);
local_irq_restore(flags);
}
static unsigned short gpio_irq[] = { KS8695_IRQ_EXTERN0, KS8695_IRQ_EXTERN1, KS8695_IRQ_EXTERN2, KS8695_IRQ_EXTERN3 };
/*
* Configure GPIO pin as external interrupt source.
*/
int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type)
{
unsigned long x, flags;
if (pin > KS8695_GPIO_3) /* only GPIO 0..3 can generate IRQ */
return -EINVAL;
local_irq_save(flags);
/* set pin as input */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM);
x &= ~IOPM_(pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM);
local_irq_restore(flags);
/* Set IRQ triggering type */
set_irq_type(gpio_irq[pin], type);
/* enable interrupt mode */
ks8695_gpio_mode(pin, 0);
return 0;
}
EXPORT_SYMBOL(ks8695_gpio_interrupt);
/* .... Generic GPIO interface .............................................. */
/*
* Configure the GPIO line as an input.
*/
int __init_or_module gpio_direction_input(unsigned int pin)
{
unsigned long x, flags;
if (pin > KS8695_GPIO_15)
return -EINVAL;
/* set pin to GPIO mode */
ks8695_gpio_mode(pin, 1);
local_irq_save(flags);
/* set pin as input */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM);
x &= ~IOPM_(pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM);
local_irq_restore(flags);
return 0;
}
EXPORT_SYMBOL(gpio_direction_input);
/*
* Configure the GPIO line as an output, with default state.
*/
int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state)
{
unsigned long x, flags;
if (pin > KS8695_GPIO_15)
return -EINVAL;
/* set pin to GPIO mode */
ks8695_gpio_mode(pin, 1);
local_irq_save(flags);
/* set line state */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
if (state)
x |= (1 << pin);
else
x &= ~(1 << pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD);
/* set pin as output */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM);
x |= IOPM_(pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM);
local_irq_restore(flags);
return 0;
}
EXPORT_SYMBOL(gpio_direction_output);
/*
* Set the state of an output GPIO line.
*/
void gpio_set_value(unsigned int pin, unsigned int state)
{
unsigned long x, flags;
if (pin > KS8695_GPIO_15)
return;
local_irq_save(flags);
/* set output line state */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
if (state)
x |= (1 << pin);
else
x &= ~(1 << pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD);
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_set_value);
/*
* Read the state of a GPIO line.
*/
int gpio_get_value(unsigned int pin)
{
unsigned long x;
if (pin > KS8695_GPIO_15)
return -EINVAL;
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
return (x & (1 << pin)) != 0;
}
EXPORT_SYMBOL(gpio_get_value);
/*
* Map GPIO line to IRQ number.
*/
int gpio_to_irq(unsigned int pin)
{
if (pin > KS8695_GPIO_3) /* only GPIO 0..3 can generate IRQ */
return -EINVAL;
return gpio_irq[pin];
}
EXPORT_SYMBOL(gpio_to_irq);
/*
* Map IRQ number to GPIO line.
*/
int irq_to_gpio(unsigned int irq)
{
if ((irq < KS8695_IRQ_EXTERN0) || (irq > KS8695_IRQ_EXTERN3))
return -EINVAL;
return (irq - KS8695_IRQ_EXTERN0);
}
EXPORT_SYMBOL(irq_to_gpio);

15
arch/arm/mach-pxa/clock.c
View File

@ -12,7 +12,6 @@
#include <asm/arch/pxa-regs.h>
#include <asm/hardware.h>
#include <asm/semaphore.h>
struct clk {
struct list_head node;
@ -25,21 +24,21 @@ 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)) {
clk = p;
break;
}
}
up(&clocks_sem);
mutex_unlock(&clocks_mutex);
return clk;
}
@ -101,18 +100,18 @@ 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);

7
arch/arm/mach-pxa/corgi.c
View File

@ -44,6 +44,7 @@
#include <asm/hardware/scoop.h>
#include "generic.h"
#include "devices.h"
#include "sharpsl.h"
@ -368,7 +369,7 @@ MACHINE_START(CORGI, "SHARP Corgi")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_corgi,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa25x_init_irq,
.init_machine = corgi_init,
.timer = &pxa_timer,
MACHINE_END
@ -380,7 +381,7 @@ MACHINE_START(SHEPHERD, "SHARP Shepherd")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_corgi,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa25x_init_irq,
.init_machine = corgi_init,
.timer = &pxa_timer,
MACHINE_END
@ -392,7 +393,7 @@ MACHINE_START(HUSKY, "SHARP Husky")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_corgi,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa25x_init_irq,
.init_machine = corgi_init,
.timer = &pxa_timer,
MACHINE_END

11
arch/arm/mach-pxa/devices.h Normal file
View File

@ -0,0 +1,11 @@
extern struct platform_device pxamci_device;
extern struct platform_device pxaudc_device;
extern struct platform_device pxafb_device;
extern struct platform_device ffuart_device;
extern struct platform_device btuart_device;
extern struct platform_device stuart_device;
extern struct platform_device hwuart_device;
extern struct platform_device pxai2c_device;
extern struct platform_device pxai2s_device;
extern struct platform_device pxaficp_device;
extern struct platform_device pxartc_device;

44
arch/arm/mach-pxa/dma.c
View File

@ -25,12 +25,15 @@
#include <asm/arch/pxa-regs.h>
static struct dma_channel {
struct dma_channel {
char *name;
pxa_dma_prio prio;
void (*irq_handler)(int, void *);
void *data;
} dma_channels[PXA_DMA_CHANNELS];
};
static struct dma_channel *dma_channels;
static int num_dma_channels;
int pxa_request_dma (char *name, pxa_dma_prio prio,
void (*irq_handler)(int, void *),
@ -47,8 +50,9 @@ int pxa_request_dma (char *name, pxa_dma_prio prio,
do {
/* try grabbing a DMA channel with the requested priority */
pxa_for_each_dma_prio (i, prio) {
if (!dma_channels[i].name) {
for (i = 0; i < num_dma_channels; i++) {
if ((dma_channels[i].prio == prio) &&
!dma_channels[i].name) {
found = 1;
break;
}
@ -91,7 +95,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
{
int i, dint = DINT;
for (i = 0; i < PXA_DMA_CHANNELS; i++) {
for (i = 0; i < num_dma_channels; i++) {
if (dint & (1 << i)) {
struct dma_channel *channel = &dma_channels[i];
if (channel->name && channel->irq_handler) {
@ -109,18 +113,32 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int __init pxa_dma_init (void)
int __init pxa_init_dma(int num_ch)
{
int ret;
int i, ret;
ret = request_irq (IRQ_DMA, dma_irq_handler, 0, "DMA", NULL);
if (ret)
dma_channels = kzalloc(sizeof(struct dma_channel) * num_ch, GFP_KERNEL);
if (dma_channels == NULL)
return -ENOMEM;
ret = request_irq(IRQ_DMA, dma_irq_handler, IRQF_DISABLED, "DMA", NULL);
if (ret) {
printk (KERN_CRIT "Wow! Can't register IRQ for DMA\n");
return ret;
}
kfree(dma_channels);
return ret;
}
arch_initcall(pxa_dma_init);
/* dma channel priorities on pxa2xx processors:
* ch 0 - 3, 16 - 19 <--> (0) DMA_PRIO_HIGH
* ch 4 - 7, 20 - 23 <--> (1) DMA_PRIO_MEDIUM
* ch 8 - 15, 24 - 31 <--> (2) DMA_PRIO_LOW
*/
for (i = 0; i < num_ch; i++)
dma_channels[i].prio = min((i & 0xf) >> 2, DMA_PRIO_LOW);
num_dma_channels = num_ch;
return 0;
}
EXPORT_SYMBOL(pxa_request_dma);
EXPORT_SYMBOL(pxa_free_dma);

93
arch/arm/mach-pxa/generic.c
View File

@ -43,6 +43,7 @@
#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
#include "devices.h"
#include "generic.h"
/*
@ -242,7 +243,7 @@ static struct resource pxamci_resources[] = {
static u64 pxamci_dmamask = 0xffffffffUL;
static struct platform_device pxamci_device = {
struct platform_device pxamci_device = {
.name = "pxa2xx-mci",
.id = -1,
.dev = {
@ -281,7 +282,7 @@ static struct resource pxa2xx_udc_resources[] = {
static u64 udc_dma_mask = ~(u32)0;
static struct platform_device udc_device = {
struct platform_device pxaudc_device = {
.name = "pxa2xx-udc",
.id = -1,
.resource = pxa2xx_udc_resources,
@ -307,7 +308,7 @@ static struct resource pxafb_resources[] = {
static u64 fb_dma_mask = ~(u64)0;
static struct platform_device pxafb_device = {
struct platform_device pxafb_device = {
.name = "pxa2xx-fb",
.id = -1,
.dev = {
@ -328,24 +329,24 @@ void __init set_pxa_fb_parent(struct device *parent_dev)
pxafb_device.dev.parent = parent_dev;
}
static struct platform_device ffuart_device = {
struct platform_device ffuart_device = {
.name = "pxa2xx-uart",
.id = 0,
};
static struct platform_device btuart_device = {
struct platform_device btuart_device = {
.name = "pxa2xx-uart",
.id = 1,
};
static struct platform_device stuart_device = {
struct platform_device stuart_device = {
.name = "pxa2xx-uart",
.id = 2,
};
static struct platform_device hwuart_device = {
struct platform_device hwuart_device = {
.name = "pxa2xx-uart",
.id = 3,
};
static struct resource i2c_resources[] = {
static struct resource pxai2c_resources[] = {
{
.start = 0x40301680,
.end = 0x403016a3,
@ -357,40 +358,19 @@ static struct resource i2c_resources[] = {
},
};
static struct platform_device i2c_device = {
struct platform_device pxai2c_device = {
.name = "pxa2xx-i2c",
.id = 0,
.resource = i2c_resources,
.num_resources = ARRAY_SIZE(i2c_resources),
.resource = pxai2c_resources,
.num_resources = ARRAY_SIZE(pxai2c_resources),
};
#ifdef CONFIG_PXA27x
static struct resource i2c_power_resources[] = {
{
.start = 0x40f00180,
.end = 0x40f001a3,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PWRI2C,
.end = IRQ_PWRI2C,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device i2c_power_device = {
.name = "pxa2xx-i2c",
.id = 1,
.resource = i2c_power_resources,
.num_resources = ARRAY_SIZE(i2c_resources),
};
#endif
void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
{
i2c_device.dev.platform_data = info;
pxai2c_device.dev.platform_data = info;
}
static struct resource i2s_resources[] = {
static struct resource pxai2s_resources[] = {
{
.start = 0x40400000,
.end = 0x40400083,
@ -402,16 +382,16 @@ static struct resource i2s_resources[] = {
},
};
static struct platform_device i2s_device = {
struct platform_device pxai2s_device = {
.name = "pxa2xx-i2s",
.id = -1,
.resource = i2s_resources,
.num_resources = ARRAY_SIZE(i2s_resources),
.resource = pxai2s_resources,
.num_resources = ARRAY_SIZE(pxai2s_resources),
};
static u64 pxaficp_dmamask = ~(u32)0;
static struct platform_device pxaficp_device = {
struct platform_device pxaficp_device = {
.name = "pxa2xx-ir",
.id = -1,
.dev = {
@ -425,42 +405,7 @@ void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
pxaficp_device.dev.platform_data = info;
}
static struct platform_device pxartc_device = {
struct platform_device pxartc_device = {
.name = "sa1100-rtc",
.id = -1,
};
static struct platform_device *devices[] __initdata = {
&pxamci_device,
&udc_device,
&pxafb_device,
&ffuart_device,
&btuart_device,
&stuart_device,
&pxaficp_device,
&i2c_device,
#ifdef CONFIG_PXA27x
&i2c_power_device,
#endif
&i2s_device,
&pxartc_device,
};
static int __init pxa_init(void)
{
int cpuid, ret;
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
if (ret)
return ret;
/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
cpuid = read_cpuid(CPUID_ID);
if (((cpuid >> 4) & 0xfff) == 0x2d0 ||
((cpuid >> 4) & 0xfff) == 0x290)
ret = platform_device_register(&hwuart_device);
return ret;
}
subsys_initcall(pxa_init);

6
arch/arm/mach-pxa/generic.h
View File

@ -12,8 +12,12 @@
struct sys_timer;
extern struct sys_timer pxa_timer;
extern void __init pxa_init_irq_low(void);
extern void __init pxa_init_irq_high(void);
extern void __init pxa_init_irq_gpio(int gpio_nr);
extern void __init pxa25x_init_irq(void);
extern void __init pxa27x_init_irq(void);
extern void __init pxa_map_io(void);
extern void __init pxa_init_irq(void);
extern unsigned int get_clk_frequency_khz(int info);

3
arch/arm/mach-pxa/idp.c
View File

@ -38,6 +38,7 @@
#include <asm/arch/mmc.h>
#include "generic.h"
#include "devices.h"
/* TODO:
* - add pxa2xx_audio_ops_t device structure
@ -152,7 +153,7 @@ static void __init idp_init(void)
static void __init idp_init_irq(void)
{
pxa_init_irq();
pxa25x_init_irq();
set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
}

106
arch/arm/mach-pxa/irq.c
View File

@ -30,12 +30,12 @@
static void pxa_mask_low_irq(unsigned int irq)
{
ICMR &= ~(1 << (irq + PXA_IRQ_SKIP));
ICMR &= ~(1 << irq);
}
static void pxa_unmask_low_irq(unsigned int irq)
{
ICMR |= (1 << (irq + PXA_IRQ_SKIP));
ICMR |= (1 << irq);
}
static int pxa_set_wake(unsigned int irq, unsigned int on)
@ -67,7 +67,27 @@ static struct irq_chip pxa_internal_chip_low = {
.set_wake = pxa_set_wake,
};
#if PXA_INTERNAL_IRQS > 32
void __init pxa_init_irq_low(void)
{
int irq;
/* disable all IRQs */
ICMR = 0;
/* all IRQs are IRQ, not FIQ */
ICLR = 0;
/* only unmasked interrupts kick us out of idle */
ICCR = 1;
for (irq = PXA_IRQ(0); irq <= PXA_IRQ(31); irq++) {
set_irq_chip(irq, &pxa_internal_chip_low);
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
}
#ifdef CONFIG_PXA27x
/*
* This is for the second set of internal IRQs as found on the PXA27x.
@ -75,12 +95,12 @@ static struct irq_chip pxa_internal_chip_low = {
static void pxa_mask_high_irq(unsigned int irq)
{
ICMR2 &= ~(1 << (irq - 32 + PXA_IRQ_SKIP));
ICMR2 &= ~(1 << (irq - 32));
}
static void pxa_unmask_high_irq(unsigned int irq)
{
ICMR2 |= (1 << (irq - 32 + PXA_IRQ_SKIP));
ICMR2 |= (1 << (irq - 32));
}
static struct irq_chip pxa_internal_chip_high = {
@ -90,6 +110,19 @@ static struct irq_chip pxa_internal_chip_high = {
.unmask = pxa_unmask_high_irq,
};
void __init pxa_init_irq_high(void)
{
int irq;
ICMR2 = 0;
ICLR2 = 0;
for (irq = PXA_IRQ(32); irq < PXA_IRQ(64); irq++) {
set_irq_chip(irq, &pxa_internal_chip_high);
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
}
#endif
/* Note that if an input/irq line ever gets changed to an output during
@ -217,7 +250,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
do {
loop = 0;
mask = GEDR0 & ~3;
mask = GEDR0 & GPIO_IRQ_mask[0] & ~3;
if (mask) {
GEDR0 = mask;
irq = IRQ_GPIO(2);
@ -233,7 +266,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
loop = 1;
}
mask = GEDR1;
mask = GEDR1 & GPIO_IRQ_mask[1];
if (mask) {
GEDR1 = mask;
irq = IRQ_GPIO(32);
@ -248,7 +281,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
loop = 1;
}
mask = GEDR2;
mask = GEDR2 & GPIO_IRQ_mask[2];
if (mask) {
GEDR2 = mask;
irq = IRQ_GPIO(64);
@ -263,8 +296,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
loop = 1;
}
#if PXA_LAST_GPIO >= 96
mask = GEDR3;
mask = GEDR3 & GPIO_IRQ_mask[3];
if (mask) {
GEDR3 = mask;
irq = IRQ_GPIO(96);
@ -278,7 +310,6 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
} while (mask);
loop = 1;
}
#endif
} while (loop);
}
@ -314,64 +345,27 @@ static struct irq_chip pxa_muxed_gpio_chip = {
.set_wake = pxa_set_gpio_wake,
};
void __init pxa_init_irq(void)
void __init pxa_init_irq_gpio(int gpio_nr)
{
int irq;
/* disable all IRQs */
ICMR = 0;
/* all IRQs are IRQ, not FIQ */
ICLR = 0;
int irq, i;
/* clear all GPIO edge detects */
GFER0 = 0;
GFER1 = 0;
GFER2 = 0;
GRER0 = 0;
GRER1 = 0;
GRER2 = 0;
GEDR0 = GEDR0;
GEDR1 = GEDR1;
GEDR2 = GEDR2;
#ifdef CONFIG_PXA27x
/* And similarly for the extra regs on the PXA27x */
ICMR2 = 0;
ICLR2 = 0;
GFER3 = 0;
GRER3 = 0;
GEDR3 = GEDR3;
#endif
/* only unmasked interrupts kick us out of idle */
ICCR = 1;
for (i = 0; i < gpio_nr; i += 32) {
GFER(i) = 0;
GRER(i) = 0;
GEDR(i) = GEDR(i);
}
/* GPIO 0 and 1 must have their mask bit always set */
GPIO_IRQ_mask[0] = 3;
for (irq = PXA_IRQ(PXA_IRQ_SKIP); irq <= PXA_IRQ(31); irq++) {
set_irq_chip(irq, &pxa_internal_chip_low);
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
#if PXA_INTERNAL_IRQS > 32
for (irq = PXA_IRQ(32); irq < PXA_IRQ(PXA_INTERNAL_IRQS); irq++) {
set_irq_chip(irq, &pxa_internal_chip_high);
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
#endif
for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) {
set_irq_chip(irq, &pxa_low_gpio_chip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(PXA_LAST_GPIO); irq++) {
for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(gpio_nr); irq++) {
set_irq_chip(irq, &pxa_muxed_gpio_chip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);

3
arch/arm/mach-pxa/lpd270.c
View File

@ -46,6 +46,7 @@
#include <asm/arch/ohci.h>
#include "generic.h"
#include "devices.h"
static unsigned int lpd270_irq_enabled;
@ -97,7 +98,7 @@ static void __init lpd270_init_irq(void)
{
int irq;
pxa_init_irq();
pxa27x_init_irq();
__raw_writew(0, LPD270_INT_MASK);
__raw_writew(0, LPD270_INT_STATUS);

3
arch/arm/mach-pxa/lubbock.c
View File

@ -48,6 +48,7 @@
#include <asm/arch/mmc.h>
#include "generic.h"
#include "devices.h"
#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
@ -103,7 +104,7 @@ static void __init lubbock_init_irq(void)
{
int irq;
pxa_init_irq();
pxa25x_init_irq();
/* setup extra lubbock irqs */
for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {

3
arch/arm/mach-pxa/mainstone.c
View File

@ -46,6 +46,7 @@
#include <asm/arch/ohci.h>
#include "generic.h"
#include "devices.h"
static unsigned long mainstone_irq_enabled;
@ -89,7 +90,7 @@ static void __init mainstone_init_irq(void)
{
int irq;
pxa_init_irq();
pxa27x_init_irq();
/* setup extra Mainstone irqs */
for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {

47
arch/arm/mach-pxa/pm.c
View File

@ -77,7 +77,6 @@ int pxa_pm_enter(suspend_state_t state)
{
unsigned long sleep_save[SLEEP_SAVE_SIZE];
unsigned long checksum = 0;
struct timespec delta, rtc;
int i;
extern void pxa_cpu_pm_enter(suspend_state_t state);
@ -87,11 +86,6 @@ int pxa_pm_enter(suspend_state_t state)
iwmmxt_task_disable(NULL);
#endif
/* preserve current time */
rtc.tv_sec = RCNR;
rtc.tv_nsec = 0;
save_time_delta(&delta, &rtc);
SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2);
SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2);
SAVE(GRER0); SAVE(GRER1); SAVE(GRER2);
@ -183,10 +177,6 @@ int pxa_pm_enter(suspend_state_t state)
RESTORE(PSTR);
/* restore current time */
rtc.tv_sec = RCNR;
restore_time_delta(&delta, &rtc);
#ifdef DEBUG
printk(KERN_DEBUG "*** made it back from resume\n");
#endif
@ -200,40 +190,3 @@ unsigned long sleep_phys_sp(void *sp)
{
return virt_to_phys(sp);
}
/*
* Called after processes are frozen, but before we shut down devices.
*/
int pxa_pm_prepare(suspend_state_t state)
{
extern int pxa_cpu_pm_prepare(suspend_state_t state);
return pxa_cpu_pm_prepare(state);
}
EXPORT_SYMBOL_GPL(pxa_pm_prepare);
/*
* Called after devices are re-setup, but before processes are thawed.
*/
int pxa_pm_finish(suspend_state_t state)
{
return 0;
}
EXPORT_SYMBOL_GPL(pxa_pm_finish);
static struct pm_ops pxa_pm_ops = {
.prepare = pxa_pm_prepare,
.enter = pxa_pm_enter,
.finish = pxa_pm_finish,
.valid = pm_valid_only_mem,
};
static int __init pxa_pm_init(void)
{
pm_set_ops(&pxa_pm_ops);
return 0;
}
device_initcall(pxa_pm_init);

3
arch/arm/mach-pxa/poodle.c
View File

@ -45,6 +45,7 @@
#include <asm/mach/sharpsl_param.h>
#include "generic.h"
#include "devices.h"
#include "sharpsl.h"
static struct resource poodle_scoop_resources[] = {
@ -412,7 +413,7 @@ MACHINE_START(POODLE, "SHARP Poodle")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_poodle,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa25x_init_irq,
.timer = &pxa_timer,
.init_machine = poodle_init,
MACHINE_END

62
arch/arm/mach-pxa/pxa25x.c
View File

@ -19,12 +19,17 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <asm/hardware.h>
#include <asm/arch/irqs.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pm.h>
#include <asm/arch/dma.h>
#include "generic.h"
#include "devices.h"
/*
* Various clock factors driven by the CCCR register.
@ -105,18 +110,6 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
#ifdef CONFIG_PM
int pxa_cpu_pm_prepare(suspend_state_t state)
{
switch (state) {
case PM_SUSPEND_MEM:
break;
default:
return -EINVAL;
}
return 0;
}
void pxa_cpu_pm_enter(suspend_state_t state)
{
extern void pxa_cpu_suspend(unsigned int);
@ -133,4 +126,49 @@ void pxa_cpu_pm_enter(suspend_state_t state)
}
}
static struct pm_ops pxa25x_pm_ops = {
.enter = pxa_pm_enter,
.valid = pm_valid_only_mem,
};
#endif
void __init pxa25x_init_irq(void)
{
pxa_init_irq_low();
pxa_init_irq_gpio(85);
}
static struct platform_device *pxa25x_devices[] __initdata = {
&pxamci_device,
&pxaudc_device,
&pxafb_device,
&ffuart_device,
&btuart_device,
&stuart_device,
&pxai2c_device,
&pxai2s_device,
&pxaficp_device,
&pxartc_device,
};
static int __init pxa25x_init(void)
{
int ret = 0;
if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
if ((ret = pxa_init_dma(16)))
return ret;
#ifdef CONFIG_PM
pm_set_ops(&pxa25x_pm_ops);
#endif
ret = platform_add_devices(pxa25x_devices,
ARRAY_SIZE(pxa25x_devices));
}
/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
if (cpu_is_pxa25x())
ret = platform_device_register(&hwuart_device);
return ret;
}
subsys_initcall(pxa25x_init);

80
arch/arm/mach-pxa/pxa27x.c
View File

@ -19,10 +19,14 @@
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/arch/irqs.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pm.h>
#include <asm/arch/dma.h>
#include "generic.h"
#include "devices.h"
/* Crystal clock: 13MHz */
#define BASE_CLK 13000000
@ -122,17 +126,6 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
#ifdef CONFIG_PM
int pxa_cpu_pm_prepare(suspend_state_t state)
{
switch (state) {
case PM_SUSPEND_MEM:
case PM_SUSPEND_STANDBY:
return 0;
default:
return -EINVAL;
}
}
void pxa_cpu_pm_enter(suspend_state_t state)
{
extern void pxa_cpu_standby(void);
@ -162,6 +155,15 @@ void pxa_cpu_pm_enter(suspend_state_t state)
}
}
static int pxa27x_pm_valid(suspend_state_t state)
{
return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY;
}
static struct pm_ops pxa27x_pm_ops = {
.enter = pxa_pm_enter,
.valid = pxa27x_pm_valid,
};
#endif
/*
@ -183,7 +185,7 @@ static struct resource pxa27x_ohci_resources[] = {
},
};
static struct platform_device ohci_device = {
static struct platform_device pxaohci_device = {
.name = "pxa27x-ohci",
.id = -1,
.dev = {
@ -196,16 +198,62 @@ static struct platform_device ohci_device = {
void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
{
ohci_device.dev.platform_data = info;
pxaohci_device.dev.platform_data = info;
}
static struct platform_device *devices[] __initdata = {
&ohci_device,
static struct resource i2c_power_resources[] = {
{
.start = 0x40f00180,
.end = 0x40f001a3,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PWRI2C,
.end = IRQ_PWRI2C,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device pxai2c_power_device = {
.name = "pxa2xx-i2c",
.id = 1,
.resource = i2c_power_resources,
.num_resources = ARRAY_SIZE(i2c_power_resources),
};
static struct platform_device *devices[] __initdata = {
&pxamci_device,
&pxaudc_device,
&pxafb_device,
&ffuart_device,
&btuart_device,
&stuart_device,
&pxai2c_device,
&pxai2c_power_device,
&pxai2s_device,
&pxaficp_device,
&pxartc_device,
&pxaohci_device,
};
void __init pxa27x_init_irq(void)
{
pxa_init_irq_low();
pxa_init_irq_high();
pxa_init_irq_gpio(128);
}
static int __init pxa27x_init(void)
{
return platform_add_devices(devices, ARRAY_SIZE(devices));
int ret = 0;
if (cpu_is_pxa27x()) {
if ((ret = pxa_init_dma(32)))
return ret;
#ifdef CONFIG_PM
pm_set_ops(&pxa27x_pm_ops);
#endif
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
}
return ret;
}
subsys_initcall(pxa27x_init);

7
arch/arm/mach-pxa/spitz.c
View File

@ -48,6 +48,7 @@
#include <asm/hardware/scoop.h>
#include "generic.h"
#include "devices.h"
#include "sharpsl.h"
/*
@ -560,7 +561,7 @@ MACHINE_START(SPITZ, "SHARP Spitz")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_spitz,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa27x_init_irq,
.init_machine = spitz_init,
.timer = &pxa_timer,
MACHINE_END
@ -572,7 +573,7 @@ MACHINE_START(BORZOI, "SHARP Borzoi")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_spitz,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa27x_init_irq,
.init_machine = spitz_init,
.timer = &pxa_timer,
MACHINE_END
@ -584,7 +585,7 @@ MACHINE_START(AKITA, "SHARP Akita")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_spitz,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa27x_init_irq,
.init_machine = akita_init,
.timer = &pxa_timer,
MACHINE_END

9
arch/arm/mach-pxa/time.c
View File

@ -30,11 +30,6 @@
#include <asm/arch/pxa-regs.h>
static inline unsigned long pxa_get_rtc_time(void)
{
return RCNR;
}
static int pxa_set_rtc(void)
{
unsigned long current_time = xtime.tv_sec;
@ -122,10 +117,6 @@ static void __init pxa_timer_init(void)
set_rtc = pxa_set_rtc;
tv.tv_nsec = 0;
tv.tv_sec = pxa_get_rtc_time();
do_settimeofday(&tv);
OIER = 0; /* disable any timer interrupts */
OSSR = 0xf; /* clear status on all timers */
setup_irq(IRQ_OST0, &pxa_timer_irq);

4
arch/arm/mach-pxa/tosa.c
View File

@ -42,7 +42,7 @@
#include <asm/mach/sharpsl_param.h>
#include "generic.h"
#include "devices.h"
/*
* SCOOP Device
@ -332,7 +332,7 @@ MACHINE_START(TOSA, "SHARP Tosa")
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_tosa,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa25x_init_irq,
.init_machine = tosa_init,
.timer = &pxa_timer,
MACHINE_END

3
arch/arm/mach-pxa/trizeps4.c
View File

@ -49,6 +49,7 @@
#include <asm/arch/ohci.h>
#include "generic.h"
#include "devices.h"
/********************************************************************************************
* ONBOARD FLASH
@ -503,7 +504,7 @@ MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
.boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
.init_machine = trizeps4_init,
.map_io = trizeps4_map_io,
.init_irq = pxa_init_irq,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
MACHINE_END

59
arch/arm/mach-s3c2410/mach-bast.c
View File

@ -20,6 +20,8 @@
#include <linux/platform_device.h>
#include <linux/dm9000.h>
#include <net/ax88796.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
@ -409,6 +411,61 @@ static struct s3c2410_platform_i2c bast_i2c_info = {
.max_freq = 130*1000,
};
/* Asix AX88796 10/100 ethernet controller */
static struct ax_plat_data bast_asix_platdata = {
.flags = AXFLG_MAC_FROMDEV,
.wordlength = 2,
.dcr_val = 0x48,
.rcr_val = 0x40,
};
static struct resource bast_asix_resource[] = {
[0] = {
.start = S3C2410_CS5 + BAST_PA_ASIXNET,
.end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
.end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
.flags = IORESOURCE_MEM,
},
[2] = {
.start = IRQ_ASIX,
.end = IRQ_ASIX,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device bast_device_asix = {
.name = "ax88796",
.id = 0,
.num_resources = ARRAY_SIZE(bast_asix_resource),
.resource = bast_asix_resource,
.dev = {
.platform_data = &bast_asix_platdata
}
};
/* Asix AX88796 10/100 ethernet controller parallel port */
static struct resource bast_asixpp_resource[] = {
[0] = {
.start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20),
.end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device bast_device_axpp = {
.name = "ax88796-pp",
.id = 0,
.num_resources = ARRAY_SIZE(bast_asixpp_resource),
.resource = bast_asixpp_resource,
};
/* LCD/VGA controller */
static struct s3c2410fb_mach_info __initdata bast_lcd_info = {
.width = 640,
@ -453,6 +510,8 @@ static struct platform_device *bast_devices[] __initdata = {
&s3c_device_nand,
&bast_device_nor,
&bast_device_dm9k,
&bast_device_asix,
&bast_device_axpp,
&bast_sio,
};

141
arch/arm/mach-s3c2440/mach-anubis.c
View File

@ -18,6 +18,9 @@
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/sm501.h>
#include <linux/sm501-regs.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
@ -42,6 +45,8 @@
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <net/ax88796.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
@ -153,6 +158,29 @@ static struct mtd_partition anubis_default_nand_part[] = {
}
};
static struct mtd_partition anubis_default_nand_part_large[] = {
[0] = {
.name = "Boot Agent",
.size = SZ_128K,
.offset = 0,
},
[1] = {
.name = "/boot",
.size = SZ_4M - SZ_128K,
.offset = SZ_128K,
},
[2] = {
.name = "user1",
.offset = SZ_4M,
.size = SZ_32M - SZ_4M,
},
[3] = {
.name = "user2",
.offset = SZ_32M,
.size = MTDPART_SIZ_FULL,
}
};
/* the Anubis has 3 selectable slots for nand-flash, the two
* on-board chip areas, as well as the external slot.
*
@ -260,6 +288,104 @@ static struct platform_device anubis_device_ide1 = {
.resource = anubis_ide1_resource,
};
/* Asix AX88796 10/100 ethernet controller */
static struct ax_plat_data anubis_asix_platdata = {
.flags = AXFLG_MAC_FROMDEV,
.wordlength = 2,
.dcr_val = 0x48,
.rcr_val = 0x40,
};
static struct resource anubis_asix_resource[] = {
[0] = {
.start = S3C2410_CS5,
.end = S3C2410_CS5 + (0x20 * 0x20) -1,
.flags = IORESOURCE_MEM
},
[1] = {
.start = IRQ_ASIX,
.end = IRQ_ASIX,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device anubis_device_asix = {
.name = "ax88796",
.id = 0,
.num_resources = ARRAY_SIZE(anubis_asix_resource),
.resource = anubis_asix_resource,
.dev = {
.platform_data = &anubis_asix_platdata,
}
};
/* SM501 */
static struct resource anubis_sm501_resource[] = {
[0] = {
.start = S3C2410_CS2,
.end = S3C2410_CS2 + SZ_8M,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = S3C2410_CS2 + SZ_64M - SZ_2M,
.end = S3C2410_CS2 + SZ_64M - 1,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = IRQ_EINT0,
.end = IRQ_EINT0,
.flags = IORESOURCE_IRQ,
},
};
static struct sm501_initdata anubis_sm501_initdata = {
.gpio_high = {
.set = 0x3F000000, /* 24bit panel */
.mask = 0x0,
},
.misc_timing = {
.set = 0x010100, /* SDRAM timing */
.mask = 0x1F1F00,
},
.misc_control = {
.set = SM501_MISC_PNL_24BIT,
.mask = 0,
},
/* set the SDRAM and bus clocks */
.mclk = 72 * MHZ,
.m1xclk = 144 * MHZ,
};
static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
[0] = {
.pin_scl = 44,
.pin_sda = 45,
},
[1] = {
.pin_scl = 40,
.pin_sda = 41,
},
};
static struct sm501_platdata anubis_sm501_platdata = {
.init = &anubis_sm501_initdata,
.gpio_i2c = anubis_sm501_gpio_i2c,
.gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
};
static struct platform_device anubis_device_sm501 = {
.name = "sm501",
.id = 0,
.num_resources = ARRAY_SIZE(anubis_sm501_resource),
.resource = anubis_sm501_resource,
.dev = {
.platform_data = &anubis_sm501_platdata,
},
};
/* Standard Anubis devices */
static struct platform_device *anubis_devices[] __initdata = {
@ -271,6 +397,8 @@ static struct platform_device *anubis_devices[] __initdata = {
&s3c_device_nand,
&anubis_device_ide0,
&anubis_device_ide1,
&anubis_device_asix,
&anubis_device_sm501,
};
static struct clk *anubis_clocks[] = {
@ -304,8 +432,17 @@ static void __init anubis_map_io(void)
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
/* ensure that the GPIO is setup */
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
/* check for the newer revision boards with large page nand */
if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
} else {
/* ensure that the GPIO is setup */
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
}
}
static void __init anubis_init(void)

38
arch/arm/mach-s3c2440/mach-osiris.c
View File

@ -166,6 +166,29 @@ static struct mtd_partition osiris_default_nand_part[] = {
}
};
static struct mtd_partition osiris_default_nand_part_large[] = {
[0] = {
.name = "Boot Agent",
.size = SZ_128K,
.offset = 0,
},
[1] = {
.name = "/boot",
.size = SZ_4M - SZ_128K,
.offset = SZ_128K,
},
[2] = {
.name = "user1",
.offset = SZ_4M,
.size = SZ_32M - SZ_4M,
},
[3] = {
.name = "user2",
.offset = SZ_32M,
.size = MTDPART_SIZ_FULL,
}
};
/* the Osiris has 3 selectable slots for nand-flash, the two
* on-board chip areas, as well as the external slot.
*
@ -322,14 +345,23 @@ static void __init osiris_map_io(void)
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs));
/* check for the newer revision boards with large page nand */
if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) {
printk(KERN_INFO "OSIRIS-B detected (revision %d)\n",
__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK);
osiris_nand_sets[0].partitions = osiris_default_nand_part_large;
osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large);
} else {
/* write-protect line to the NAND */
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
}
/* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */
local_irq_save(flags);
__raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON);
local_irq_restore(flags);
/* write-protect line to the NAND */
s3c2410_gpio_setpin(S3C2410_GPA0, 1);
}
static void __init osiris_init(void)

9
arch/arm/mach-sa1100/pm.c
View File

@ -57,12 +57,7 @@ enum { SLEEP_SAVE_SP = 0,
static int sa11x0_pm_enter(suspend_state_t state)
{
unsigned long gpio, sleep_save[SLEEP_SAVE_SIZE];
struct timespec delta, rtc;
/* preserve current time */
rtc.tv_sec = RCNR;
rtc.tv_nsec = 0;
save_time_delta(&delta, &rtc);
gpio = GPLR;
/* save vital registers */
@ -119,10 +114,6 @@ static int sa11x0_pm_enter(suspend_state_t state)
*/
PSSR = PSSR_PH;
/* restore current time */
rtc.tv_sec = RCNR;
restore_time_delta(&delta, &rtc);
return 0;
}

24
arch/arm/mach-sa1100/time.c
View File

@ -21,25 +21,6 @@
#define RTC_DEF_DIVIDER (32768 - 1)
#define RTC_DEF_TRIM 0
static unsigned long __init sa1100_get_rtc_time(void)
{
/*
* According to the manual we should be able to let RTTR be zero
* and then a default divisor for a 32.768KHz clock is used.
* Apparently this doesn't work, at least for my SA1110 rev 5.
* If the clock divider is uninitialized then reset it to the
* default value to get the 1Hz clock.
*/
if (RTTR == 0) {
RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16);
printk(KERN_WARNING "Warning: uninitialized Real Time Clock\n");
/* The current RTC value probably doesn't make sense either */
RCNR = 0;
return 0;
}
return RCNR;
}
static int sa1100_set_rtc(void)
{
unsigned long current_time = xtime.tv_sec;
@ -117,15 +98,10 @@ static struct irqaction sa1100_timer_irq = {
static void __init sa1100_timer_init(void)
{
struct timespec tv;
unsigned long flags;
set_rtc = sa1100_set_rtc;
tv.tv_nsec = 0;
tv.tv_sec = sa1100_get_rtc_time();
do_settimeofday(&tv);
OIER = 0; /* disable any timer interrupts */
OSSR = 0xf; /* clear status on all timers */
setup_irq(IRQ_OST0, &sa1100_timer_irq);

10
arch/arm/mm/ioremap.c
View File

@ -280,7 +280,10 @@ __arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
if (!type)
return NULL;
size = PAGE_ALIGN(size);
/*
* Page align the mapping size, taking account of any offset.
*/
size = PAGE_ALIGN(offset + size);
area = get_vm_area(size, VM_IOREMAP);
if (!area)
@ -325,11 +328,6 @@ __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
if (!size || last_addr < phys_addr)
return NULL;
/*
* Page align the mapping size
*/
size = PAGE_ALIGN(last_addr + 1) - phys_addr;
return __arm_ioremap_pfn(pfn, offset, size, mtype);
}
EXPORT_SYMBOL(__arm_ioremap);

22
drivers/mmc/host/pxamci.h
View File

@ -1,25 +1,3 @@
#undef MMC_STRPCL
#undef MMC_STAT
#undef MMC_CLKRT
#undef MMC_SPI
#undef MMC_CMDAT
#undef MMC_RESTO
#undef MMC_RDTO
#undef MMC_BLKLEN
#undef MMC_NOB
#undef MMC_PRTBUF
#undef MMC_I_MASK
#undef END_CMD_RES
#undef PRG_DONE
#undef DATA_TRAN_DONE
#undef MMC_I_REG
#undef MMC_CMD
#undef MMC_ARGH
#undef MMC_ARGL
#undef MMC_RES
#undef MMC_RXFIFO
#undef MMC_TXFIFO
#define MMC_STRPCL 0x0000
#define STOP_CLOCK (1 << 0)
#define START_CLOCK (2 << 0)

2
include/asm-arm/Kbuild
View File

@ -1 +1,3 @@
include include/asm-generic/Kbuild.asm
unifdef-y += hwcap.h

22
include/asm-arm/arch-davinci/clock.h Normal file
View File

@ -0,0 +1,22 @@
/*
* include/asm-arm/arch-davinci/clock.h
*
* Clock control driver for DaVinci - header file
*
* Authors: Vladimir Barinov <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ASM_ARCH_DAVINCI_CLOCK_H
#define __ASM_ARCH_DAVINCI_CLOCK_H
struct clk;
extern int clk_register(struct clk *clk);
extern void clk_unregister(struct clk *clk);
extern int davinci_clk_init(void);
#endif

156
include/asm-arm/arch-davinci/gpio.h Normal file
View File

@ -0,0 +1,156 @@
/*
* TI DaVinci GPIO Support
*
* Copyright (c) 2006 David Brownell
* Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.com>
*
* 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.
*/
#ifndef __DAVINCI_GPIO_H
#define __DAVINCI_GPIO_H
/*
* basic gpio routines
*
* board-specific init should be done by arch/.../.../board-XXX.c (maybe
* initializing banks together) rather than boot loaders; kexec() won't
* go through boot loaders.
*
* the gpio clock will be turned on when gpios are used, and you may also
* need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are
* used as gpios, not with other peripherals.
*
* GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, and maybe
* for later updates, code should write GPIO(N) or:
* - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53)
* - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70)
*
* For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc
* for now, that's != GPIO(N)
*/
#define GPIO(X) (X) /* 0 <= X <= 70 */
#define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */
#define GPIOV33(X) ((X)+54) /* 3.3V i/o; 0 <= X <= 17 */
struct gpio_controller {
u32 dir;
u32 out_data;
u32 set_data;
u32 clr_data;
u32 in_data;
u32 set_rising;
u32 clr_rising;
u32 set_falling;
u32 clr_falling;
u32 intstat;
};
/* The __gpio_to_controller() and __gpio_mask() functions inline to constants
* with constant parameters; or in outlined code they execute at runtime.
*
* You'd access the controller directly when reading or writing more than
* one gpio value at a time, and to support wired logic where the value
* being driven by the cpu need not match the value read back.
*
* These are NOT part of the cross-platform GPIO interface
*/
static inline struct gpio_controller *__iomem
__gpio_to_controller(unsigned gpio)
{
void *__iomem ptr;
if (gpio < 32)
ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10);
else if (gpio < 64)
ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38);
else if (gpio < DAVINCI_N_GPIO)
ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60);
else
ptr = NULL;
return ptr;
}
static inline u32 __gpio_mask(unsigned gpio)
{
return 1 << (gpio % 32);
}
/* The get/set/clear functions will inline when called with constant
* parameters, for low-overhead bitbanging. Illegal constant parameters
* cause link-time errors.
*
* Otherwise, calls with variable parameters use outlined functions.
*/
extern int __error_inval_gpio(void);
extern void __gpio_set(unsigned gpio, int value);
extern int __gpio_get(unsigned gpio);
static inline void gpio_set_value(unsigned gpio, int value)
{
if (__builtin_constant_p(value)) {
struct gpio_controller *__iomem g;
u32 mask;
if (gpio >= DAVINCI_N_GPIO)
__error_inval_gpio();
g = __gpio_to_controller(gpio);
mask = __gpio_mask(gpio);
if (value)
__raw_writel(mask, &g->set_data);
else
__raw_writel(mask, &g->clr_data);
return;
}
__gpio_set(gpio, value);
}
/* Returns zero or nonzero; works for gpios configured as inputs OR
* as outputs.
*
* NOTE: changes in reported values are synchronized to the GPIO clock.
* This is most easily seen after calling gpio_set_value() and then immediatly
* gpio_get_value(), where the gpio_get_value() would return the old value
* until the GPIO clock ticks and the new value gets latched.
*/
static inline int gpio_get_value(unsigned gpio)
{
struct gpio_controller *__iomem g;
if (!__builtin_constant_p(gpio))
return __gpio_get(gpio);
if (gpio >= DAVINCI_N_GPIO)
return __error_inval_gpio();
g = __gpio_to_controller(gpio);
return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data));
}
/* powerup default direction is IN */
extern int gpio_direction_input(unsigned gpio);
extern int gpio_direction_output(unsigned gpio, int value);
#include <asm-generic/gpio.h> /* cansleep wrappers */
extern int gpio_request(unsigned gpio, const char *tag);
extern void gpio_free(unsigned gpio);
static inline int gpio_to_irq(unsigned gpio)
{
return DAVINCI_N_AINTC_IRQ + gpio;
}
static inline int irq_to_gpio(unsigned irq)
{
return irq - DAVINCI_N_AINTC_IRQ;
}
#endif /* __DAVINCI_GPIO_H */

38
include/asm-arm/arch-davinci/hardware.h
View File

@ -11,4 +11,42 @@
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
/*
* Base register addresses
*/
#define DAVINCI_DMA_3PCC_BASE (0x01C00000)
#define DAVINCI_DMA_3PTC0_BASE (0x01C10000)
#define DAVINCI_DMA_3PTC1_BASE (0x01C10400)
#define DAVINCI_I2C_BASE (0x01C21000)
#define DAVINCI_PWM0_BASE (0x01C22000)
#define DAVINCI_PWM1_BASE (0x01C22400)
#define DAVINCI_PWM2_BASE (0x01C22800)
#define DAVINCI_SYSTEM_MODULE_BASE (0x01C40000)
#define DAVINCI_PLL_CNTRL0_BASE (0x01C40800)
#define DAVINCI_PLL_CNTRL1_BASE (0x01C40C00)
#define DAVINCI_PWR_SLEEP_CNTRL_BASE (0x01C41000)
#define DAVINCI_SYSTEM_DFT_BASE (0x01C42000)
#define DAVINCI_IEEE1394_BASE (0x01C60000)
#define DAVINCI_USB_OTG_BASE (0x01C64000)
#define DAVINCI_CFC_ATA_BASE (0x01C66000)
#define DAVINCI_SPI_BASE (0x01C66800)
#define DAVINCI_GPIO_BASE (0x01C67000)
#define DAVINCI_UHPI_BASE (0x01C67800)
#define DAVINCI_VPSS_REGS_BASE (0x01C70000)
#define DAVINCI_EMAC_CNTRL_REGS_BASE (0x01C80000)
#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE (0x01C81000)
#define DAVINCI_EMAC_WRAPPER_RAM_BASE (0x01C82000)
#define DAVINCI_MDIO_CNTRL_REGS_BASE (0x01C84000)
#define DAVINCI_IMCOP_BASE (0x01CC0000)
#define DAVINCI_ASYNC_EMIF_CNTRL_BASE (0x01E00000)
#define DAVINCI_VLYNQ_BASE (0x01E01000)
#define DAVINCI_MCBSP_BASE (0x01E02000)
#define DAVINCI_MMC_SD_BASE (0x01E10000)
#define DAVINCI_MS_BASE (0x01E20000)
#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE (0x02000000)
#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE (0x04000000)
#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE (0x06000000)
#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE (0x08000000)
#define DAVINCI_VLYNQ_REMOTE_BASE (0x0C000000)
#endif /* __ASM_ARCH_HARDWARE_H */

55
include/asm-arm/arch-davinci/mux.h Normal file
View File

@ -0,0 +1,55 @@
/*
* DaVinci pin multiplexing defines
*
* Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ASM_ARCH_MUX_H
#define __ASM_ARCH_MUX_H
#define DAVINCI_MUX_AEAW0 0
#define DAVINCI_MUX_AEAW1 1
#define DAVINCI_MUX_AEAW2 2
#define DAVINCI_MUX_AEAW3 3
#define DAVINCI_MUX_AEAW4 4
#define DAVINCI_MUX_AECS4 10
#define DAVINCI_MUX_AECS5 11
#define DAVINCI_MUX_VLYNQWD0 12
#define DAVINCI_MUX_VLYNQWD1 13
#define DAVINCI_MUX_VLSCREN 14
#define DAVINCI_MUX_VLYNQEN 15
#define DAVINCI_MUX_HDIREN 16
#define DAVINCI_MUX_ATAEN 17
#define DAVINCI_MUX_RGB666 22
#define DAVINCI_MUX_RGB888 23
#define DAVINCI_MUX_LOEEN 24
#define DAVINCI_MUX_LFLDEN 25
#define DAVINCI_MUX_CWEN 26
#define DAVINCI_MUX_CFLDEN 27
#define DAVINCI_MUX_HPIEN 29
#define DAVINCI_MUX_1394EN 30
#define DAVINCI_MUX_EMACEN 31
#define DAVINCI_MUX_LEVEL2 32
#define DAVINCI_MUX_UART0 (DAVINCI_MUX_LEVEL2 + 0)
#define DAVINCI_MUX_UART1 (DAVINCI_MUX_LEVEL2 + 1)
#define DAVINCI_MUX_UART2 (DAVINCI_MUX_LEVEL2 + 2)
#define DAVINCI_MUX_U2FLO (DAVINCI_MUX_LEVEL2 + 3)
#define DAVINCI_MUX_PWM0 (DAVINCI_MUX_LEVEL2 + 4)
#define DAVINCI_MUX_PWM1 (DAVINCI_MUX_LEVEL2 + 5)
#define DAVINCI_MUX_PWM2 (DAVINCI_MUX_LEVEL2 + 6)
#define DAVINCI_MUX_I2C (DAVINCI_MUX_LEVEL2 + 7)
#define DAVINCI_MUX_SPI (DAVINCI_MUX_LEVEL2 + 8)
#define DAVINCI_MUX_MSTK (DAVINCI_MUX_LEVEL2 + 9)
#define DAVINCI_MUX_ASP (DAVINCI_MUX_LEVEL2 + 10)
#define DAVINCI_MUX_CLK0 (DAVINCI_MUX_LEVEL2 + 16)
#define DAVINCI_MUX_CLK1 (DAVINCI_MUX_LEVEL2 + 17)
#define DAVINCI_MUX_TIMIN (DAVINCI_MUX_LEVEL2 + 18)
extern void davinci_mux_peripheral(unsigned int mux, unsigned int enable);
#endif /* __ASM_ARCH_MUX_H */

102
include/asm-arm/arch-imx/gpio.h Normal file
View File

@ -0,0 +1,102 @@
#ifndef _IMX_GPIO_H
#include <asm/arch/imx-regs.h>
#define IMX_GPIO_ALLOC_MODE_NORMAL 0
#define IMX_GPIO_ALLOC_MODE_NO_ALLOC 1
#define IMX_GPIO_ALLOC_MODE_TRY_ALLOC 2
#define IMX_GPIO_ALLOC_MODE_ALLOC_ONLY 4
#define IMX_GPIO_ALLOC_MODE_RELEASE 8
extern int imx_gpio_request(unsigned gpio, const char *label);
extern void imx_gpio_free(unsigned gpio);
extern int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
int alloc_mode, const char *label);
extern int imx_gpio_direction_input(unsigned gpio);
extern int imx_gpio_direction_output(unsigned gpio, int value);
extern void __imx_gpio_set_value(unsigned gpio, int value);
static inline int imx_gpio_get_value(unsigned gpio)
{
return SSR(gpio >> GPIO_PORT_SHIFT) & (1 << (gpio & GPIO_PIN_MASK));
}
static inline void imx_gpio_set_value_inline(unsigned gpio, int value)
{
unsigned long flags;
raw_local_irq_save(flags);
if(value)
DR(gpio >> GPIO_PORT_SHIFT) |= (1 << (gpio & GPIO_PIN_MASK));
else
DR(gpio >> GPIO_PORT_SHIFT) &= ~(1 << (gpio & GPIO_PIN_MASK));
raw_local_irq_restore(flags);
}
static inline void imx_gpio_set_value(unsigned gpio, int value)
{
if(__builtin_constant_p(gpio))
imx_gpio_set_value_inline(gpio, value);
else
__imx_gpio_set_value(gpio, value);
}
extern int imx_gpio_to_irq(unsigned gpio);
extern int imx_irq_to_gpio(unsigned irq);
/*-------------------------------------------------------------------------*/
/* Wrappers for "new style" GPIO calls. These calls i.MX specific versions
* to allow future extension of GPIO logic.
*/
static inline int gpio_request(unsigned gpio, const char *label)
{
return imx_gpio_request(gpio, label);
}
static inline void gpio_free(unsigned gpio)
{
imx_gpio_free(gpio);
}
static inline int gpio_direction_input(unsigned gpio)
{
return imx_gpio_direction_input(gpio);
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
return imx_gpio_direction_output(gpio, value);
}
static inline int gpio_get_value(unsigned gpio)
{
return imx_gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
imx_gpio_set_value(gpio, value);
}
#include <asm-generic/gpio.h> /* cansleep wrappers */
static inline int gpio_to_irq(unsigned gpio)
{
return imx_gpio_to_irq(gpio);
}
static inline int irq_to_gpio(unsigned irq)
{
return imx_irq_to_gpio(irq);
}
#endif

2
include/asm-arm/arch-imx/imx-regs.h
View File

@ -77,6 +77,8 @@
#define SWR(x) __REG2(IMX_GPIO_BASE + 0x3c, ((x) & 3) << 8)
#define PUEN(x) __REG2(IMX_GPIO_BASE + 0x40, ((x) & 3) << 8)
#define GPIO_PORT_MAX 3
#define GPIO_PIN_MASK 0x1f
#define GPIO_PORT_MASK (0x3 << 5)

4
include/asm-arm/arch-ixp4xx/ixdp425.h
View File

@ -32,4 +32,8 @@
#define IXDP425_PCI_INTC_PIN 9
#define IXDP425_PCI_INTD_PIN 8
/* NAND Flash pins */
#define IXDP425_NAND_NCE_PIN 12
#define IXDP425_NAND_CMD_BYTE 0x01
#define IXDP425_NAND_ADDR_BYTE 0x02

5
include/asm-arm/arch-ixp4xx/uncompress.h
View File

@ -38,9 +38,10 @@ static void flush(void)
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
/*
* Coyote and gtwx5715 only have UART2 connected
* Some boards are using UART2 as console
*/
if (machine_is_adi_coyote() || machine_is_gtwx5715())
if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
machine_is_gateway7001() || machine_is_wg302v2())
uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
else
uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;

79
include/asm-arm/arch-ks8695/gpio.h Normal file
View File

@ -0,0 +1,79 @@
/*
* include/asm-arm/arch-ks8695/gpio.h
*
* Copyright (C) 2006 Andrew Victor
*
* 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.
*/
#ifndef __ASM_ARCH_GPIO_H_
#define __ASM_ARCH_GPIO_H_
#define KS8695_GPIO_0 0
#define KS8695_GPIO_1 1
#define KS8695_GPIO_2 2
#define KS8695_GPIO_3 3
#define KS8695_GPIO_4 4
#define KS8695_GPIO_5 5
#define KS8695_GPIO_6 6
#define KS8695_GPIO_7 7
#define KS8695_GPIO_8 8
#define KS8695_GPIO_9 9
#define KS8695_GPIO_10 10
#define KS8695_GPIO_11 11
#define KS8695_GPIO_12 12
#define KS8695_GPIO_13 13
#define KS8695_GPIO_14 14
#define KS8695_GPIO_15 15
/*
* Configure GPIO pin as external interrupt source.
*/
int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
/*
* Configure the GPIO line as an input.
*/
int __init_or_module gpio_direction_input(unsigned int pin);
/*
* Configure the GPIO line as an output, with default state.
*/
int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
/*
* Set the state of an output GPIO line.
*/
void gpio_set_value(unsigned int pin, unsigned int state);
/*
* Read the state of a GPIO line.
*/
int gpio_get_value(unsigned int pin);
/*
* Map GPIO line to IRQ number.
*/
int gpio_to_irq(unsigned int pin);
/*
* Map IRQ number to GPIO line.
*/
int irq_to_gpio(unsigned int irq);
#include <asm-generic/gpio.h>
static inline int gpio_request(unsigned int pin, const char *label)
{
return 0;
}
static inline void gpio_free(unsigned int pin)
{
}
#endif

22
include/asm-arm/arch-pxa/dma.h
View File

@ -30,30 +30,12 @@ typedef enum {
DMA_PRIO_LOW = 2
} pxa_dma_prio;
#if defined(CONFIG_PXA27x)
#define PXA_DMA_CHANNELS 32
#define pxa_for_each_dma_prio(ch, prio) \
for ( \
ch = prio * 4; \
ch != (4 << prio) + 16; \
ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1) \
)
#elif defined(CONFIG_PXA25x)
#define PXA_DMA_CHANNELS 16
#define pxa_for_each_dma_prio(ch, prio) \
for (ch = prio * 4; ch != (4 << prio); ch++)
#endif
/*
* DMA registration
*/
int __init pxa_init_dma(int num_ch);
int pxa_request_dma (char *name,
pxa_dma_prio prio,
void (*irq_handler)(int, void *),

30
include/asm-arm/arch-pxa/entry-macro.S
View File

@ -20,20 +20,38 @@
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
#ifdef CONFIG_PXA27x
mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
#else
mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
mov \tmp, \tmp, lsr #13
and \tmp, \tmp, #0x7 @ Core G
cmp \tmp, #1
bhi 1004f
mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
add \base, \base, #0x00d00000
ldr \irqstat, [\base, #0] @ ICIP
ldr \irqnr, [\base, #4] @ ICMR
#endif
b 1002f
1004:
mrc p6, 0, \irqstat, c6, c0, 0 @ ICIP2
mrc p6, 0, \irqnr, c7, c0, 0 @ ICMR2
ands \irqstat, \irqstat, \irqnr
beq 1003f
rsb \irqstat, \irqnr, #0
and \irqstat, \irqstat, \irqnr
clz \irqnr, \irqstat
rsb \irqnr, \irqnr, #31
add \irqnr, \irqnr, #32
b 1001f
1003:
mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
1002:
ands \irqnr, \irqstat, \irqnr
beq 1001f
rsb \irqstat, \irqnr, #0
and \irqstat, \irqstat, \irqnr
clz \irqnr, \irqstat
rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
rsb \irqnr, \irqnr, #31
1001:
.endm

36
include/asm-arm/arch-pxa/hardware.h
View File

@ -62,6 +62,42 @@
#ifndef __ASSEMBLY__
#define __cpu_is_pxa21x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xf3f; \
_id == 0x212; \
})
#define __cpu_is_pxa25x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x2d0 || _id == 0x290; \
})
#define __cpu_is_pxa27x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x411; \
})
#define cpu_is_pxa21x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa21x(id); \
})
#define cpu_is_pxa25x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa25x(id); \
})
#define cpu_is_pxa27x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa27x(id); \
})
/*
* Handy routine to set GPIO alternate functions
*/

26
include/asm-arm/arch-pxa/irqs.h
View File

@ -11,14 +11,9 @@
*/
#define PXA_IRQ(x) (x)
#ifdef CONFIG_PXA27x
#define PXA_IRQ_SKIP 0
#else
#define PXA_IRQ_SKIP 7
#endif
#define PXA_IRQ(x) ((x) - PXA_IRQ_SKIP)
#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */
#define IRQ_MSL PXA_IRQ(1) /* MSL Interface interrupt */
#define IRQ_USBH2 PXA_IRQ(2) /* USB Host interrupt 1 (OHCI) */
@ -26,6 +21,8 @@
#define IRQ_KEYPAD PXA_IRQ(4) /* Key pad controller */
#define IRQ_MEMSTK PXA_IRQ(5) /* Memory Stick interrupt */
#define IRQ_PWRI2C PXA_IRQ(6) /* Power I2C interrupt */
#endif
#define IRQ_HWUART PXA_IRQ(7) /* HWUART Transmit/Receive/Error (PXA26x) */
#define IRQ_OST_4_11 PXA_IRQ(7) /* OS timer 4-11 matches (PXA27x) */
#define IRQ_GPIO0 PXA_IRQ(8) /* GPIO0 Edge Detect */
@ -58,18 +55,15 @@
#ifdef CONFIG_PXA27x
#define IRQ_TPM PXA_IRQ(32) /* TPM interrupt */
#define IRQ_CAMERA PXA_IRQ(33) /* Camera Interface */
#define PXA_INTERNAL_IRQS 34
#else
#define PXA_INTERNAL_IRQS 32
#endif
#define GPIO_2_x_TO_IRQ(x) \
PXA_IRQ((x) - 2 + PXA_INTERNAL_IRQS)
#define PXA_GPIO_IRQ_BASE (64)
#define PXA_GPIO_IRQ_NUM (128)
#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
#define IRQ_GPIO(x) (((x) < 2) ? (IRQ_GPIO0 + (x)) : GPIO_2_x_TO_IRQ(x))
#define IRQ_TO_GPIO_2_x(i) \
((i) - IRQ_GPIO(2) + 2)
#define IRQ_TO_GPIO_2_x(i) ((i) - PXA_GPIO_IRQ_BASE)
#define IRQ_TO_GPIO(i) (((i) < IRQ_GPIO(2)) ? ((i) - IRQ_GPIO0) : IRQ_TO_GPIO_2_x(i))
#if defined(CONFIG_PXA25x)
@ -84,7 +78,7 @@
* these. If you need more, increase IRQ_BOARD_END, but keep it
* within sensible limits.
*/
#define IRQ_BOARD_START (IRQ_GPIO(PXA_LAST_GPIO) + 1)
#define IRQ_BOARD_START (PXA_GPIO_IRQ_BASE + PXA_GPIO_IRQ_NUM)
#define IRQ_BOARD_END (IRQ_BOARD_START + 16)
#define IRQ_SA1111_START (IRQ_BOARD_END)

1
include/asm-arm/arch-pxa/pm.h
View File

@ -9,4 +9,3 @@
extern int pxa_pm_prepare(suspend_state_t state);
extern int pxa_pm_enter(suspend_state_t state);
extern int pxa_pm_finish(suspend_state_t state);

22
include/asm-arm/arch-pxa/pxa-regs.h
View File

@ -1765,29 +1765,9 @@
#define SSACD_P(x) (*(((x) == 1) ? &SSACD_P1 : ((x) == 2) ? &SSACD_P2 : ((x) == 3) ? &SSACD_P3 : NULL))
/*
* MultiMediaCard (MMC) controller
* MultiMediaCard (MMC) controller - see drivers/mmc/host/pxamci.h
*/
#define MMC_STRPCL __REG(0x41100000) /* Control to start and stop MMC clock */
#define MMC_STAT __REG(0x41100004) /* MMC Status Register (read only) */
#define MMC_CLKRT __REG(0x41100008) /* MMC clock rate */
#define MMC_SPI __REG(0x4110000c) /* SPI mode control bits */
#define MMC_CMDAT __REG(0x41100010) /* Command/response/data sequence control */
#define MMC_RESTO __REG(0x41100014) /* Expected response time out */
#define MMC_RDTO __REG(0x41100018) /* Expected data read time out */
#define MMC_BLKLEN __REG(0x4110001c) /* Block length of data transaction */
#define MMC_NOB __REG(0x41100020) /* Number of blocks, for block mode */
#define MMC_PRTBUF __REG(0x41100024) /* Partial MMC_TXFIFO FIFO written */
#define MMC_I_MASK __REG(0x41100028) /* Interrupt Mask */
#define MMC_I_REG __REG(0x4110002c) /* Interrupt Register (read only) */
#define MMC_CMD __REG(0x41100030) /* Index of current command */
#define MMC_ARGH __REG(0x41100034) /* MSW part of the current command argument */
#define MMC_ARGL __REG(0x41100038) /* LSW part of the current command argument */
#define MMC_RES __REG(0x4110003c) /* Response FIFO (read only) */
#define MMC_RXFIFO __REG(0x41100040) /* Receive FIFO (read only) */
#define MMC_TXFIFO __REG(0x41100044) /* Transmit FIFO (write only) */
/*
* Core Clock
*/

23
include/asm-arm/elf.h
View File

@ -7,6 +7,7 @@
*/
#include <asm/ptrace.h>
#include <asm/user.h>
#include <asm/hwcap.h>
typedef unsigned long elf_greg_t;
typedef unsigned long elf_freg_t[3];
@ -39,30 +40,8 @@ typedef struct user_fp elf_fpregset_t;
#endif
#define ELF_ARCH EM_ARM
/*
* HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
*/
#define HWCAP_SWP 1
#define HWCAP_HALF 2
#define HWCAP_THUMB 4
#define HWCAP_26BIT 8 /* Play it safe */
#define HWCAP_FAST_MULT 16
#define HWCAP_FPA 32
#define HWCAP_VFP 64
#define HWCAP_EDSP 128
#define HWCAP_JAVA 256
#define HWCAP_IWMMXT 512
#define HWCAP_CRUNCH 1024
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
/*
* This yields a mask that user programs can use to figure out what
* instruction set this cpu supports.
*/
#define ELF_HWCAP (elf_hwcap)
extern unsigned int elf_hwcap;
/*
* This yields a string that ld.so will use to load implementation
* specific libraries for optimization. This is more specific in

28
include/asm-arm/hwcap.h Normal file
View File

@ -0,0 +1,28 @@
#ifndef __ASMARM_HWCAP_H
#define __ASMARM_HWCAP_H
/*
* HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
*/
#define HWCAP_SWP 1
#define HWCAP_HALF 2
#define HWCAP_THUMB 4
#define HWCAP_26BIT 8 /* Play it safe */
#define HWCAP_FAST_MULT 16
#define HWCAP_FPA 32
#define HWCAP_VFP 64
#define HWCAP_EDSP 128
#define HWCAP_JAVA 256
#define HWCAP_IWMMXT 512
#define HWCAP_CRUNCH 1024
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
/*
* This yields a mask that user programs can use to figure out what
* instruction set this cpu supports.
*/
#define ELF_HWCAP (elf_hwcap)
extern unsigned int elf_hwcap;
#endif
#endif

16
include/asm-arm/ptrace.h
View File

@ -10,6 +10,8 @@
#ifndef __ASM_ARM_PTRACE_H
#define __ASM_ARM_PTRACE_H
#include <asm/hwcap.h>
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
@ -45,6 +47,7 @@
#define PSR_T_BIT 0x00000020
#define PSR_F_BIT 0x00000040
#define PSR_I_BIT 0x00000080
#define PSR_A_BIT 0x00000100
#define PSR_J_BIT 0x01000000
#define PSR_Q_BIT 0x08000000
#define PSR_V_BIT 0x10000000
@ -103,6 +106,10 @@ struct pt_regs {
#define thumb_mode(regs) (0)
#endif
#define isa_mode(regs) \
((((regs)->ARM_cpsr & PSR_J_BIT) >> 23) | \
(((regs)->ARM_cpsr & PSR_T_BIT) >> 5))
#define processor_mode(regs) \
((regs)->ARM_cpsr & MODE_MASK)
@ -117,14 +124,17 @@ struct pt_regs {
*/
static inline int valid_user_regs(struct pt_regs *regs)
{
if (user_mode(regs) &&
(regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0)
if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) {
regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
return 1;
}
/*
* Force CPSR to something logical...
*/
regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT;
regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT;
if (!(elf_hwcap & HWCAP_26BIT))
regs->ARM_cpsr |= USR_MODE;
return 0;
}