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Commit be82ae02 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm 

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (291 commits)
  ARM: AMBA: Add pclk support to AMBA bus infrastructure
  ARM: 6278/2: fix regression in RealView after the introduction of pclk
  ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128
  ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACY
  ARM: 6246/1: mmci: support larger MMCIDATALENGTH register
  ARM: 6245/1: mmci: enable hardware flow control on Ux500 variants
  ARM: 6244/1: mmci: add variant data and default MCICLOCK support
  ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback
  ARM: 6274/1: add global control registers definition header file for nuc900
  mx2_camera: fix type of dma buffer virtual address pointer
  mx2_camera: Add soc_camera support for i.MX25/i.MX27
  arm/imx/gpio: add spinlock protection
  ARM: Add support for the LPC32XX arch
  ARM: LPC32XX: Arch config menu supoport and makefiles
  ARM: LPC32XX: Phytec 3250 platform support
  ARM: LPC32XX: Misc support functions
  ARM: LPC32XX: Serial support code
  ARM: LPC32XX: System suspend support
  ARM: LPC32XX: GPIO, timer, and IRQ drivers
  ARM: LPC32XX: Clock driver
  ...
parents 4b4fd27c 7b70c427
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Documentation/arm/memory.txt
View file @ be82ae02
......@@ -33,7 +33,13 @@ ffff0000 ffff0fff CPU vector page.
fffe0000 fffeffff XScale cache flush area. This is used
in proc-xscale.S to flush the whole data
cache. Free for other usage on non-XScale.
cache. (XScale does not have TCM.)
fffe8000 fffeffff DTCM mapping area for platforms with
DTCM mounted inside the CPU.
fffe0000 fffe7fff ITCM mapping area for platforms with
ITCM mounted inside the CPU.
fff00000 fffdffff Fixmap mapping region. Addresses provided
by fix_to_virt() will be located here.
......
Documentation/arm/tcm.txt
View file @ be82ae02
......@@ -19,8 +19,8 @@ defines a CPUID_TCM register that you can read out from the
system control coprocessor. Documentation from ARM can be found
at http://infocenter.arm.com, search for "TCM Status Register"
to see documents for all CPUs. Reading this register you can
determine if ITCM (bit 0) and/or DTCM (bit 16) is present in the
machine.
determine if ITCM (bits 1-0) and/or DTCM (bit 17-16) is present
in the machine.
There is further a TCM region register (search for "TCM Region
Registers" at the ARM site) that can report and modify the location
......@@ -35,7 +35,15 @@ The TCM memory can then be remapped to another address again using
the MMU, but notice that the TCM if often used in situations where
the MMU is turned off. To avoid confusion the current Linux
implementation will map the TCM 1 to 1 from physical to virtual
memory in the location specified by the machine.
memory in the location specified by the kernel. Currently Linux
will map ITCM to 0xfffe0000 and on, and DTCM to 0xfffe8000 and
on, supporting a maximum of 32KiB of ITCM and 32KiB of DTCM.
Newer versions of the region registers also support dividing these
TCMs in two separate banks, so for example an 8KiB ITCM is divided
into two 4KiB banks with its own control registers. The idea is to
be able to lock and hide one of the banks for use by the secure
world (TrustZone).
TCM is used for a few things:
......@@ -65,18 +73,18 @@ in <asm/tcm.h>. Using this interface it is possible to:
memory. Such a heap is great for things like saving
device state when shutting off device power domains.
A machine that has TCM memory shall select HAVE_TCM in
arch/arm/Kconfig for itself, and then the
rest of the functionality will depend on the physical
location and size of ITCM and DTCM to be defined in
mach/memory.h for the machine. Code that needs to use
TCM shall #include <asm/tcm.h> If the TCM is not located
at the place given in memory.h it will be moved using
the TCM Region registers.
A machine that has TCM memory shall select HAVE_TCM from
arch/arm/Kconfig for itself. Code that needs to use TCM shall
#include <asm/tcm.h>
Functions to go into itcm can be tagged like this:
int __tcmfunc foo(int bar);
Since these are marked to become long_calls and you may want
to have functions called locally inside the TCM without
wasting space, there is also the __tcmlocalfunc prefix that
will make the call relative.
Variables to go into dtcm can be tagged like this:
int __tcmdata foo;
......
arch/arm/Kconfig
View file @ be82ae02
This diff is collapsed.
arch/arm/Makefile
View file @ be82ae02
......@@ -34,6 +34,10 @@ ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
endif
ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
KBUILD_CFLAGS +=-fstack-protector
endif
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
KBUILD_CPPFLAGS += -mbig-endian
AS += -EB
......@@ -139,14 +143,14 @@ machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
machine-$(CONFIG_ARCH_KS8695) := ks8695
machine-$(CONFIG_ARCH_L7200) := l7200
machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
machine-$(CONFIG_ARCH_LOKI) := loki
machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx
machine-$(CONFIG_ARCH_MMP) := mmp
machine-$(CONFIG_ARCH_MSM) := msm
machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
machine-$(CONFIG_ARCH_MX1) := mx1
machine-$(CONFIG_ARCH_MX2) := mx2
machine-$(CONFIG_ARCH_MX1) := imx
machine-$(CONFIG_ARCH_MX2) := imx
machine-$(CONFIG_ARCH_MX25) := mx25
machine-$(CONFIG_ARCH_MX3) := mx3
machine-$(CONFIG_ARCH_MX5) := mx5
......
arch/arm/boot/Makefile
View file @ be82ae02
......@@ -14,18 +14,16 @@
MKIMAGE := $(srctree)/scripts/mkuboot.sh
ifneq ($(MACHINE),)
include $(srctree)/$(MACHINE)/Makefile.boot
-include $(srctree)/$(MACHINE)/Makefile.boot
endif
# Note: the following conditions must always be true:
# ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
# PARAMS_PHYS must be within 4MB of ZRELADDR
# INITRD_PHYS must be in RAM
ZRELADDR := $(zreladdr-y)
PARAMS_PHYS := $(params_phys-y)
INITRD_PHYS := $(initrd_phys-y)
export ZRELADDR INITRD_PHYS PARAMS_PHYS
export INITRD_PHYS PARAMS_PHYS
targets := Image zImage xipImage bootpImage uImage
......@@ -67,7 +65,7 @@ quiet_cmd_uimage = UIMAGE $@
ifeq ($(CONFIG_ZBOOT_ROM),y)
$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
else
$(obj)/uImage: LOADADDR=$(ZRELADDR)
$(obj)/uImage: LOADADDR=$(CONFIG_ZRELADDR)
endif
ifeq ($(CONFIG_THUMB2_KERNEL),y)
......
arch/arm/boot/compressed/Makefile
View file @ be82ae02
......@@ -4,6 +4,7 @@
# create a compressed vmlinuz image from the original vmlinux
#
AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
HEAD = head.o
OBJS = misc.o decompress.o
FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
......@@ -19,10 +20,6 @@ ifeq ($(CONFIG_ARCH_SHARK),y)
OBJS += head-shark.o ofw-shark.o
endif
ifeq ($(CONFIG_ARCH_L7200),y)
OBJS += head-l7200.o
endif
ifeq ($(CONFIG_ARCH_P720T),y)
# Borrow this code from SA1100
OBJS += head-sa1100.o
......@@ -82,19 +79,9 @@ endif
EXTRA_CFLAGS := -fpic -fno-builtin
EXTRA_AFLAGS := -Wa,-march=all
# Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
# linker symbols. We only define initrd_phys and params_phys if the
# machine class defined the corresponding makefile variable.
LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8
endif
ifneq ($(INITRD_PHYS),)
LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
endif
ifneq ($(PARAMS_PHYS),)
LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
endif
# ?
LDFLAGS_vmlinux += -p
# Report unresolved symbol references
......
arch/arm/boot/compressed/Makefile.debug deleted 100644 → 0
View file @ 4b4fd27c
#
# linux/arch/arm/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#
COMPRESSED_EXTRA=../../lib/ll_char_wr.o
OBJECTS=misc-debug.o ll_char_wr.aout.o
CFLAGS=-D__KERNEL__ -O2 -DSTDC_HEADERS -DSTANDALONE_DEBUG -Wall -I../../../../include -c
test-gzip: piggy.aout.o $(OBJECTS)
$(CC) -o $@ $(OBJECTS) piggy.aout.o
misc-debug.o: misc.c
$(CC) $(CFLAGS) -o $@ misc.c
piggy.aout.o: piggy.o
arm-linuxelf-objcopy --change-leading-char -I elf32-arm -O arm-aout32-linux piggy.o piggy.aout.o
ll_char_wr.aout.o: $(COMPRESSED_EXTRA)
arm-linuxelf-objcopy --change-leading-char -I elf32-arm -O arm-aout32-linux $(COMPRESSED_EXTRA) ll_char_wr.aout.o
arch/arm/boot/compressed/head-l7200.S deleted 100644 → 0
View file @ 4b4fd27c
/*
* linux/arch/arm/boot/compressed/head-l7200.S
*
* Copyright (C) 2000 Steve Hill <sjhill@cotw.com>
*
* Some code borrowed from Nicolas Pitre's 'head-sa1100.S' file. This
* is merged with head.S by the linker.
*/
#include <asm/mach-types.h>
#ifndef CONFIG_ARCH_L7200
#error What am I doing here...
#endif
.section ".start", "ax"
__L7200_start:
mov r0, #0x00100000 @ FLASH address of initrd
mov r2, #0xf1000000 @ RAM address of initrd
add r3, r2, #0x00700000 @ Size of initrd
1:
ldmia r0!, {r4, r5, r6, r7}
stmia r2!, {r4, r5, r6, r7}
cmp r2, r3
ble 1b
mov r8, #0 @ Zero it out
mov r7, #MACH_TYPE_L7200 @ Set architecture ID
arch/arm/boot/compressed/head.S
View file @ be82ae02
......@@ -170,9 +170,16 @@ not_angel:
.text
adr r0, LC0
ARM( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp})
THUMB( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip} )
ARM( ldmia r0, {r1, r2, r3, r5, r6, r11, ip, sp})
THUMB( ldmia r0, {r1, r2, r3, r5, r6, r11, ip} )
THUMB( ldr sp, [r0, #32] )
#ifdef CONFIG_AUTO_ZRELADDR
@ determine final kernel image address
and r4, pc, #0xf8000000
add r4, r4, #TEXT_OFFSET
#else
ldr r4, =CONFIG_ZRELADDR
#endif
subs r0, r0, r1 @ calculate the delta offset
@ if delta is zero, we are
......@@ -310,18 +317,17 @@ wont_overwrite: mov r0, r4
LC0: .word LC0 @ r1
.word __bss_start @ r2
.word _end @ r3
.word zreladdr @ r4
.word _start @ r5
.word _image_size @ r6
.word _got_start @ r11
.word _got_end @ ip
.word user_stack+4096 @ sp
.word user_stack_end @ sp
LC1: .word reloc_end - reloc_start
.size LC0, . - LC0
#ifdef CONFIG_ARCH_RPC
.globl params
params: ldr r0, =params_phys
params: ldr r0, =0x10000100 @ params_phys for RPC
mov pc, lr
.ltorg
.align
......@@ -339,9 +345,8 @@ params: ldr r0, =params_phys
* r4 = kernel execution address
* r7 = architecture number
* r8 = atags pointer
* r9 = run-time address of "start" (???)
* On exit,
* r1, r2, r3, r9, r10, r12 corrupted
* r0, r1, r2, r3, r9, r10, r12 corrupted
* This routine must preserve:
* r4, r5, r6, r7, r8
*/
......@@ -396,12 +401,18 @@ __armv3_mpu_cache_on:
mov r0, #0
mcr p15, 0, r0, c7, c0, 0 @ invalidate whole cache v3
/*
* ?? ARMv3 MMU does not allow reading the control register,
* does this really work on ARMv3 MPU?
*/
mrc p15, 0, r0, c1, c0, 0 @ read control reg
@ .... .... .... WC.M
orr r0, r0, #0x000d @ .... .... .... 11.1
/* ?? this overwrites the value constructed above? */
mov r0, #0
mcr p15, 0, r0, c1, c0, 0 @ write control reg
/* ?? invalidate for the second time? */
mcr p15, 0, r0, c7, c0, 0 @ invalidate whole cache v3
mov pc, lr
......@@ -771,8 +782,10 @@ proc_types:
* Turn off the Cache and MMU. ARMv3 does not support
* reading the control register, but ARMv4 does.
*
* On exit, r0, r1, r2, r3, r9, r12 corrupted
* This routine must preserve: r4, r6, r7
* On exit,
* r0, r1, r2, r3, r9, r12 corrupted
* This routine must preserve:
* r4, r6, r7
*/
.align 5
cache_off: mov r3, #12 @ cache_off function
......@@ -845,7 +858,7 @@ __armv3_mmu_cache_off:
* Clean and flush the cache to maintain consistency.
*
* On exit,
* r1, r2, r3, r9, r11, r12 corrupted
* r1, r2, r3, r9, r10, r11, r12 corrupted
* This routine must preserve:
* r0, r4, r5, r6, r7
*/
......@@ -988,7 +1001,7 @@ no_cache_id:
__armv3_mmu_cache_flush:
__armv3_mpu_cache_flush:
mov r1, #0
mcr p15, 0, r0, c7, c0, 0 @ invalidate whole cache v3
mcr p15, 0, r1, c7, c0, 0 @ invalidate whole cache v3
mov pc, lr
/*
......@@ -1001,6 +1014,7 @@ __armv3_mpu_cache_flush:
phexbuf: .space 12
.size phexbuf, . - phexbuf
@ phex corrupts {r0, r1, r2, r3}
phex: adr r3, phexbuf
mov r2, #0
strb r2, [r3, r1]
......@@ -1015,6 +1029,7 @@ phex: adr r3, phexbuf
strb r2, [r3, r1]
b 1b
@ puts corrupts {r0, r1, r2, r3}
puts: loadsp r3, r1
1: ldrb r2, [r0], #1
teq r2, #0
......@@ -1029,12 +1044,14 @@ puts: loadsp r3, r1
teq r0, #0
bne 1b
mov pc, lr
@ putc corrupts {r0, r1, r2, r3}
putc:
mov r2, r0
mov r0, #0
loadsp r3, r1
b 2b
@ memdump corrupts {r0, r1, r2, r3, r10, r11, r12, lr}
memdump: mov r12, r0
mov r10, lr
mov r11, #0
......@@ -1070,3 +1087,4 @@ reloc_end:
.align
.section ".stack", "w"
user_stack: .space 4096
user_stack_end:
arch/arm/boot/compressed/misc.c
View file @ be82ae02
......@@ -28,9 +28,6 @@ unsigned int __machine_arch_type;
#include <asm/unaligned.h>
#ifdef STANDALONE_DEBUG
#define putstr printf
#else
static void putstr(const char *ptr);
extern void error(char *x);
......@@ -116,7 +113,6 @@ static void putstr(const char *ptr)
flush();
}
#endif
void *memcpy(void *__dest, __const void *__src, size_t __n)
{
......@@ -186,7 +182,6 @@ asmlinkage void __div0(void)
extern void do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x));
#ifndef STANDALONE_DEBUG
unsigned long
decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
......@@ -211,18 +206,3 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
putstr(" done, booting the kernel.\n");
return output_ptr;
}
#else
char output_buffer[1500*1024];
int main()
{
output_data = output_buffer;
putstr("Uncompressing Linux...");
decompress(input_data, input_data_end - input_data,
NULL, NULL, output_data, NULL, error);
putstr("done.\n");
return 0;
}
#endif
arch/arm/common/gic.c
View file @ be82ae02
......@@ -108,6 +108,51 @@ static void gic_unmask_irq(unsigned int irq)
spin_unlock(&irq_controller_lock);
}
static int gic_set_type(unsigned int irq, unsigned int type)
{
void __iomem *base = gic_dist_base(irq);
unsigned int gicirq = gic_irq(irq);
u32 enablemask = 1 << (gicirq % 32);
u32 enableoff = (gicirq / 32) * 4;
u32 confmask = 0x2 << ((gicirq % 16) * 2);
u32 confoff = (gicirq / 16) * 4;
bool enabled = false;
u32 val;
/* Interrupt configuration for SGIs can't be changed */
if (gicirq < 16)
return -EINVAL;
if (type != IRQ_TYPE_LEVEL_HIGH && type != IRQ_TYPE_EDGE_RISING)
return -EINVAL;
spin_lock(&irq_controller_lock);
val = readl(base + GIC_DIST_CONFIG + confoff);
if (type == IRQ_TYPE_LEVEL_HIGH)
val &= ~confmask;
else if (type == IRQ_TYPE_EDGE_RISING)
val |= confmask;
/*
* As recommended by the spec, disable the interrupt before changing
* the configuration
*/
if (readl(base + GIC_DIST_ENABLE_SET + enableoff) & enablemask) {
writel(enablemask, base + GIC_DIST_ENABLE_CLEAR + enableoff);
enabled = true;
}
writel(val, base + GIC_DIST_CONFIG + confoff);
if (enabled)
writel(enablemask, base + GIC_DIST_ENABLE_SET + enableoff);
spin_unlock(&irq_controller_lock);
return 0;
}
#ifdef CONFIG_SMP
static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val)
{
......@@ -161,6 +206,7 @@ static struct irq_chip gic_chip = {
.ack = gic_ack_irq,
.mask = gic_mask_irq,
.unmask = gic_unmask_irq,
.set_type = gic_set_type,
#ifdef CONFIG_SMP
.set_affinity = gic_set_cpu,
#endif
......
arch/arm/common/sa1111.c
View file @ be82ae02
......@@ -185,13 +185,10 @@ static struct sa1111_dev_info sa1111_devices[] = {
},
};
void __init sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes)
void __init sa1111_adjust_zones(unsigned long *size, unsigned long *holes)
{
unsigned int sz = SZ_1M >> PAGE_SHIFT;
if (node != 0)
sz = 0;
size[1] = size[0] - sz;
size[0] = sz;
}
......
arch/arm/configs/kirkwood_defconfig
View file @ be82ae02
......@@ -13,11 +13,19 @@ CONFIG_MACH_RD88F6192_NAS=y
CONFIG_MACH_RD88F6281=y
CONFIG_MACH_MV88F6281GTW_GE=y
CONFIG_MACH_SHEEVAPLUG=y
CONFIG_MACH_ESATA_SHEEVAPLUG=y
CONFIG_MACH_GURUPLUG=y
CONFIG_MACH_TS219=y
CONFIG_MACH_TS41X=y
CONFIG_MACH_OPENRD_BASE=y
CONFIG_MACH_OPENRD_CLIENT=y
CONFIG_MACH_OPENRD_ULTIMATE=y
CONFIG_MACH_NETSPACE_V2=y
CONFIG_MACH_INETSPACE_V2=y
CONFIG_MACH_NETSPACE_MAX_V2=y
CONFIG_MACH_NET2BIG_V2=y
CONFIG_MACH_NET5BIG_V2=y
CONFIG_MACH_T5325=y
# CONFIG_CPU_FEROCEON_OLD_ID is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
......
arch/arm/configs/lusl7200_defconfig deleted 100644 → 0
View file @ 4b4fd27c
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
# CONFIG_HOTPLUG is not set
CONFIG_MODULES=y
CONFIG_ARCH_L7200=y
# CONFIG_ARM_THUMB is not set
CONFIG_ZBOOT_ROM_TEXT=0x00010000
CONFIG_ZBOOT_ROM_BSS=0xf03e0000
CONFIG_ZBOOT_ROM=y
CONFIG_CMDLINE="console=tty0 console=ttyLU1,115200 root=/dev/ram initrd=0xf1000000,0x005dac7b mem=32M"
CONFIG_BINFMT_AOUT=y
CONFIG_BLK_DEV_RAM=y
# CONFIG_INPUT is not set
# CONFIG_SERIO_SERPORT is not set
# CONFIG_VT is not set
CONFIG_SERIAL_NONSTANDARD=y
CONFIG_EXT2_FS=y
CONFIG_DEBUG_USER=y
# CONFIG_CRC32 is not set
arch/arm/include/asm/elf.h
View file @ be82ae02
......@@ -121,4 +121,8 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
extern void elf_set_personality(const struct elf32_hdr *);
#define SET_PERSONALITY(ex) elf_set_personality(&(ex))
struct mm_struct;
extern unsigned long arch_randomize_brk(struct mm_struct *mm);
#define arch_randomize_brk arch_randomize_brk
#endif
arch/arm/include/asm/hwcap.h
View file @ be82ae02
......@@ -19,6 +19,7 @@
#define HWCAP_NEON 4096
#define HWCAP_VFPv3 8192
#define HWCAP_VFPv3D16 16384
#define HWCAP_TLS 32768
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
/*
......
arch/arm/include/asm/irq.h
View file @ be82ae02
......@@ -7,6 +7,8 @@
#define irq_canonicalize(i) (i)
#endif
#define NR_IRQS_LEGACY 16
/*
* Use this value to indicate lack of interrupt
* capability
......
arch/arm/include/asm/kexec.h
View file @ be82ae02
......@@ -19,10 +19,26 @@
#ifndef __ASSEMBLY__
struct kimage;
/* Provide a dummy definition to avoid build failures. */
/**
* crash_setup_regs() - save registers for the panic kernel
* @newregs: registers are saved here
* @oldregs: registers to be saved (may be %NULL)
*
* Function copies machine registers from @oldregs to @newregs. If @oldregs is
* %NULL then current registers are stored there.
*/
static inline void crash_setup_regs(struct pt_regs *newregs,
struct pt_regs *oldregs) { }
struct pt_regs *oldregs)
{
if (oldregs) {
memcpy(newregs, oldregs, sizeof(*newregs));
} else {
__asm__ __volatile__ ("stmia %0, {r0 - r15}"
: : "r" (&newregs->ARM_r0));
__asm__ __volatile__ ("mrs %0, cpsr"
: "=r" (newregs->ARM_cpsr));
}
}
#endif /* __ASSEMBLY__ */
......
arch/arm/include/asm/mach/arch.h
View file @ be82ae02
......@@ -20,6 +20,7 @@ struct machine_desc {
* by assembler code in head.S, head-common.S
*/
unsigned int nr; /* architecture number */
unsigned int nr_irqs; /* number of IRQs */
unsigned int phys_io; /* start of physical io */
unsigned int io_pg_offst; /* byte offset for io
* page tabe entry */
......@@ -37,6 +38,7 @@ struct machine_desc {
void (*fixup)(struct machine_desc *,
struct tag *, char **,
struct meminfo *);
void (*reserve)(void);/* reserve mem blocks */
void (*map_io)(void);/* IO mapping function */
void (*init_irq)(void);
struct sys_timer *timer; /* system tick timer */
......
arch/arm/include/asm/mach/irq.h
View file @ be82ae02
......@@ -17,6 +17,7 @@ struct seq_file;
/*
* This is internal. Do not use it.
*/
extern unsigned int arch_nr_irqs;
extern void (*init_arch_irq)(void);
extern void init_FIQ(void);
extern int show_fiq_list(struct seq_file *, void *);
......
arch/arm/include/asm/mach/map.h
View file @ be82ae02
......@@ -27,6 +27,8 @@ struct map_desc {
#define MT_MEMORY 9
#define MT_ROM 10
#define MT_MEMORY_NONCACHED 11
#define MT_MEMORY_DTCM 12
#define MT_MEMORY_ITCM 13
#ifdef CONFIG_MMU
extern void iotable_init(struct map_desc *, int);
......
arch/arm/include/asm/mach/pci.h
View file @ be82ae02
......@@ -46,6 +46,7 @@ struct pci_sys_data {
/* IRQ mapping */
int (*map_irq)(struct pci_dev *, u8, u8);
struct hw_pci *hw;
void *private_data; /* platform controller private data */
};
/*
......
arch/arm/include/asm/memblock.h 0 → 100644
View file @ be82ae02
#ifndef _ASM_ARM_MEMBLOCK_H
#define _ASM_ARM_MEMBLOCK_H
#ifdef CONFIG_MMU
extern phys_addr_t lowmem_end_addr;
#define MEMBLOCK_REAL_LIMIT lowmem_end_addr
#else
#define MEMBLOCK_REAL_LIMIT 0
#endif
struct meminfo;
struct machine_desc;
extern void arm_memblock_init(struct meminfo *, struct machine_desc *);
#endif
arch/arm/include/asm/memory.h
View file @ be82ae02
......@@ -123,6 +123,15 @@
#endif /* !CONFIG_MMU */
/*
* We fix the TCM memories max 32 KiB ITCM resp DTCM at these
* locations
*/
#ifdef CONFIG_HAVE_TCM
#define ITCM_OFFSET UL(0xfffe0000)
#define DTCM_OFFSET UL(0xfffe8000)
#endif
/*
* Physical vs virtual RAM address space conversion. These are
* private definitions which should NOT be used outside memory.h
......@@ -158,7 +167,7 @@
#endif
#ifndef arch_adjust_zones
#define arch_adjust_zones(node,size,holes) do { } while (0)
#define arch_adjust_zones(size,holes) do { } while (0)
#elif !defined(CONFIG_ZONE_DMA)
#error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA"
#endif
......@@ -234,76 +243,11 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
* virt_to_page(k) convert a _valid_ virtual address to struct page *
* virt_addr_valid(k) indicates whether a virtual address is valid
*/
#ifndef CONFIG_DISCONTIGMEM
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
#define PHYS_TO_NID(addr) (0)
#else /* CONFIG_DISCONTIGMEM */
/*
* This is more complex. We have a set of mem_map arrays spread
* around in memory.
*/
#include <linux/numa.h>
#define arch_pfn_to_nid(pfn) PFN_TO_NID(pfn)
#define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT)
#define virt_to_page(kaddr) \
(ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr))
#define virt_addr_valid(kaddr) (KVADDR_TO_NID(kaddr) < MAX_NUMNODES)
/*
* Common discontigmem stuff.
* PHYS_TO_NID is used by the ARM kernel/setup.c
*/
#define PHYS_TO_NID(addr) PFN_TO_NID((addr) >> PAGE_SHIFT)
/*
* Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory
* and returns the mem_map of that node.
*/
#define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr))
/*
* Given a page frame number, find the owning node of the memory
* and returns the mem_map of that node.
*/
#define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn))
#ifdef NODE_MEM_SIZE_BITS
#define NODE_MEM_SIZE_MASK ((1 << NODE_MEM_SIZE_BITS) - 1)
/*
* Given a kernel address, find the home node of the underlying memory.
*/
#define KVADDR_TO_NID(addr) \
(((unsigned long)(addr) - PAGE_OFFSET) >> NODE_MEM_SIZE_BITS)
/*
* Given a page frame number, convert it to a node id.
*/
#define PFN_TO_NID(pfn) \
(((pfn) - PHYS_PFN_OFFSET) >> (NODE_MEM_SIZE_BITS - PAGE_SHIFT))
/*
* Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
* and returns the index corresponding to the appropriate page in the
* node's mem_map.
*/
#define LOCAL_MAP_NR(addr) \
(((unsigned long)(addr) & NODE_MEM_SIZE_MASK) >> PAGE_SHIFT)
#endif /* NODE_MEM_SIZE_BITS */
#endif /* !CONFIG_DISCONTIGMEM */
/*
* Optional coherency support. Currently used only by selected
* Intel XSC3-based systems.
......
arch/arm/include/asm/mmzone.h deleted 100644 → 0
View file @ 4b4fd27c
/*
* arch/arm/include/asm/mmzone.h
*
* 1999-12-29 Nicolas Pitre Created
*
* 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_MMZONE_H
#define __ASM_MMZONE_H
/*
* Currently defined in arch/arm/mm/discontig.c
*/
extern pg_data_t discontig_node_data[];
/*
* Return a pointer to the node data for node n.
*/
#define NODE_DATA(nid) (&discontig_node_data[nid])
/*
* NODE_MEM_MAP gives the kaddr for the mem_map of the node.
*/
#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map)
#include <mach/memory.h>
#endif
arch/arm/include/asm/ptrace.h
View file @ be82ae02
......@@ -184,6 +184,42 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define predicate(x) ((x) & 0xf0000000)
#define PREDICATE_ALWAYS 0xe0000000
/*
* kprobe-based event tracer support
*/
#include <linux/stddef.h>
#include <linux/types.h>
#define MAX_REG_OFFSET (offsetof(struct pt_regs, ARM_ORIG_r0))
extern int regs_query_register_offset(const char *name);
extern const char *regs_query_register_name(unsigned int offset);
extern bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
unsigned int n);
/**
* regs_get_register() - get register value from its offset
* @regs: pt_regs from which register value is gotten
* @offset: offset number of the register.
*
* regs_get_register returns the value of a register whose offset from @regs.
* The @offset is the offset of the register in struct pt_regs.
* If @offset is bigger than MAX_REG_OFFSET, this returns 0.
*/
static inline unsigned long regs_get_register(struct pt_regs *regs,
unsigned int offset)
{
if (unlikely(offset > MAX_REG_OFFSET))
return 0;
return *(unsigned long *)((unsigned long)regs + offset);
}
/* Valid only for Kernel mode traps. */
static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
return regs->ARM_sp;
}
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
......
arch/arm/include/asm/setup.h
View file @ be82ae02
......@@ -201,8 +201,7 @@ static struct tagtable __tagtable_##fn __tag = { tag, fn }
struct membank {
unsigned long start;
unsigned long size;
unsigned short node;
unsigned short highmem;
unsigned int highmem;
};
struct meminfo {
......@@ -212,9 +211,8 @@ struct meminfo {
extern struct meminfo meminfo;
#define for_each_nodebank(iter,mi,no) \
for (iter = 0; iter < (mi)->nr_banks; iter++) \
if ((mi)->bank[iter].node == no)
#define for_each_bank(iter,mi) \
for (iter = 0; iter < (mi)->nr_banks; iter++)
#define bank_pfn_start(bank) __phys_to_pfn((bank)->start)
#define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size)
......
arch/arm/include/asm/stackprotector.h 0 → 100644
View file @ be82ae02
/*
* GCC stack protector support.
*
* Stack protector works by putting predefined pattern at the start of
* the stack frame and verifying that it hasn't been overwritten when
* returning from the function. The pattern is called stack canary
* and gcc expects it to be defined by a global variable called
* "__stack_chk_guard" on ARM. This unfortunately means that on SMP
* we cannot have a different canary value per task.
*/
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H 1
#include <linux/random.h>
#include <linux/version.h>
extern unsigned long __stack_chk_guard;
/*
* Initialize the stackprotector canary value.
*
* NOTE: this must only be called from functions that never return,
* and it must always be inlined.
*/
static __always_inline void boot_init_stack_canary(void)
{
unsigned long canary;
/* Try to get a semi random initial value. */
get_random_bytes(&canary, sizeof(canary));
canary ^= LINUX_VERSION_CODE;
current->stack_canary = canary;
__stack_chk_guard = current->stack_canary;
}
#endif /* _ASM_STACKPROTECTOR_H */
arch/arm/include/asm/system.h
View file @ be82ae02
......@@ -83,7 +83,7 @@ void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
struct pt_regs *),
int sig, const char *name);
int sig, int code, const char *name);
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
......
arch/arm/include/asm/tls.h 0 → 100644
View file @ be82ae02
#ifndef __ASMARM_TLS_H
#define __ASMARM_TLS_H
#ifdef __ASSEMBLY__
.macro set_tls_none, tp, tmp1, tmp2
.endm
.macro set_tls_v6k, tp, tmp1, tmp2
mcr p15, 0, \tp, c13, c0, 3 @ set TLS register
.endm
.macro set_tls_v6, tp, tmp1, tmp2
ldr \tmp1, =elf_hwcap
ldr \tmp1, [\tmp1, #0]
mov \tmp2, #0xffff0fff
tst \tmp1, #HWCAP_TLS @ hardware TLS available?
mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register
streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0
.endm
.macro set_tls_software, tp, tmp1, tmp2
mov \tmp1, #0xffff0fff
str \tp, [\tmp1, #-15] @ set TLS value at 0xffff0ff0
.endm
#endif
#ifdef CONFIG_TLS_REG_EMUL
#define tls_emu 1
#define has_tls_reg 1
#define set_tls set_tls_none
#elif __LINUX_ARM_ARCH__ >= 7 || \
(__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K))
#define tls_emu 0
#define has_tls_reg 1
#define set_tls set_tls_v6k
#elif __LINUX_ARM_ARCH__ == 6
#define tls_emu 0
#define has_tls_reg (elf_hwcap & HWCAP_TLS)
#define set_tls set_tls_v6
#else
#define tls_emu 0
#define has_tls_reg 0
#define set_tls set_tls_software
#endif
#endif /* __ASMARM_TLS_H */
arch/arm/include/asm/vfpmacros.h
View file @ be82ae02
......@@ -3,6 +3,8 @@
*
* Assembler-only file containing VFP macros and register definitions.
*/
#include <asm/hwcap.h>
#include "vfp.h"
@ Macros to allow building with old toolkits (with no VFP support)
......@@ -22,11 +24,19 @@
LDC p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPv3D16
ldceq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
.endm
......@@ -38,10 +48,18 @@
STC p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPv3D16
stceq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
.endm
arch/arm/kernel/Makefile
View file @ be82ae02
......@@ -13,10 +13,12 @@ CFLAGS_REMOVE_return_address.o = -pg
# Object file lists.
obj-y := compat.o elf.o entry-armv.o entry-common.o irq.o \
obj-y := elf.o entry-armv.o entry-common.o irq.o \
process.o ptrace.o return_address.o setup.o signal.o \
sys_arm.o stacktrace.o time.o traps.o
obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += compat.o
obj-$(CONFIG_LEDS) += leds.o
obj-$(CONFIG_OC_ETM) += etm.o
......@@ -39,6 +41,7 @@ obj-$(CONFIG_ARM_THUMBEE) += thumbee.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_ARM_UNWIND) += unwind.o
obj-$(CONFIG_HAVE_TCM) += tcm.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o
AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312
......
arch/arm/kernel/asm-offsets.c
View file @ be82ae02
......@@ -40,6 +40,9 @@
int main(void)
{
DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
#ifdef CONFIG_CC_STACKPROTECTOR
DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
#endif
BLANK();
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
......
arch/arm/kernel/compat.c
View file @ be82ae02
......@@ -217,10 +217,3 @@ void __init convert_to_tag_list(struct tag *tags)
struct param_struct *params = (struct param_struct *)tags;
build_tag_list(params, &params->u2);
}
void __init squash_mem_tags(struct tag *tag)
{
for (; tag->hdr.size; tag = tag_next(tag))
if (tag->hdr.tag == ATAG_MEM)
tag->hdr.tag = ATAG_NONE;
}
arch/arm/kernel/compat.h
View file @ be82ae02
......@@ -9,5 +9,3 @@
*/
extern void convert_to_tag_list(struct tag *tags);
extern void squash_mem_tags(struct tag *tag);
arch/arm/kernel/crash_dump.c 0 → 100644
View file @ be82ae02
/*
* arch/arm/kernel/crash_dump.c
*
* Copyright (C) 2010 Nokia Corporation.
* Author: Mika Westerberg
*
* This code is taken from arch/x86/kernel/crash_dump_64.c
* Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
* Copyright (C) IBM Corporation, 2004. All rights reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include <linux/crash_dump.h>
#include <linux/uaccess.h>
#include <linux/io.h>
/* stores the physical address of elf header of crash image */
unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
/**
* copy_oldmem_page() - copy one page from old kernel memory
* @pfn: page frame number to be copied
* @buf: buffer where the copied page is placed
* @csize: number of bytes to copy
* @offset: offset in bytes into the page
* @userbuf: if set, @buf is int he user address space
*
* This function copies one page from old kernel memory into buffer pointed by
* @buf. If @buf is in userspace, set @userbuf to %1. Returns number of bytes
* copied or negative error in case of failure.
*/
ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
size_t csize, unsigned long offset,
int userbuf)
{
void *vaddr;
if (!csize)
return 0;
vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
if (!vaddr)
return -ENOMEM;
if (userbuf) {
if (copy_to_user(buf, vaddr + offset, csize)) {
iounmap(vaddr);
return -EFAULT;
}
} else {
memcpy(buf, vaddr + offset, csize);
}
iounmap(vaddr);
return csize;
}
arch/arm/kernel/entry-armv.S
View file @ be82ae02
......@@ -22,6 +22,7 @@
#include <asm/thread_notify.h>
#include <asm/unwind.h>
#include <asm/unistd.h>
#include <asm/tls.h>
#include "entry-header.S"
......@@ -735,11 +736,11 @@ ENTRY(__switch_to)
#ifdef CONFIG_MMU
ldr r6, [r2, #TI_CPU_DOMAIN]
#endif
#if defined(CONFIG_HAS_TLS_REG)
mcr p15, 0, r3, c13, c0, 3 @ set TLS register
#elif !defined(CONFIG_TLS_REG_EMUL)
mov r4, #0xffff0fff
str r3, [r4, #-15] @ TLS val at 0xffff0ff0
set_tls r3, r4, r5
#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
ldr r7, [r2, #TI_TASK]
ldr r8, =__stack_chk_guard
ldr r7, [r7, #TSK_STACK_CANARY]
#endif
#ifdef CONFIG_MMU
mcr p15, 0, r6, c3, c0, 0 @ Set domain register
......@@ -749,6 +750,9 @@ ENTRY(__switch_to)
ldr r0, =thread_notify_head
mov r1, #THREAD_NOTIFY_SWITCH
bl atomic_notifier_call_chain
#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
str r7, [r8]
#endif
THUMB( mov ip, r4 )
mov r0, r5
ARM( ldmia r4, {r4 - sl, fp, sp, pc} ) @ Load all regs saved previously
......@@ -1005,17 +1009,12 @@ kuser_cmpxchg_fixup:
*/
__kuser_get_tls: @ 0xffff0fe0
#if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL)
ldr r0, [pc, #(16 - 8)] @ TLS stored at 0xffff0ff0
#else
mrc p15, 0, r0, c13, c0, 3 @ read TLS register
#endif
ldr r0, [pc, #(16 - 8)] @ read TLS, set in kuser_get_tls_init
usr_ret lr
.rep 5
.word 0 @ pad up to __kuser_helper_version
.endr
mrc p15, 0, r0, c13, c0, 3 @ 0xffff0fe8 hardware TLS code
.rep 4
.word 0 @ 0xffff0ff0 software TLS value, then
.endr @ pad up to __kuser_helper_version
/*
* Reference declaration:
......
arch/arm/kernel/irq.c
View file @ be82ae02
......@@ -47,12 +47,14 @@
#define irq_finish(irq) do { } while (0)
#endif
unsigned int arch_nr_irqs;
void (*init_arch_irq)(void) __initdata = NULL;
unsigned long irq_err_count;
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, cpu;
struct irq_desc *desc;
struct irqaction * action;
unsigned long flags;
......@@ -67,24 +69,25 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (i < nr_irqs) {
desc = irq_to_desc(i);
raw_spin_lock_irqsave(&desc->lock, flags);
action = desc->action;
if (!action)
goto unlock;
seq_printf(p, "%3d: ", i);
for_each_present_cpu(cpu)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-");
seq_printf(p, " %10s", desc->chip->name ? : "-");
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
unlock:
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
raw_spin_unlock_irqrestore(&desc->lock, flags);
} else if (i == nr_irqs) {
#ifdef CONFIG_FIQ
show_fiq_list(p, v);
#endif
......@@ -112,7 +115,7 @@ asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
* Some hardware gives randomly wrong interrupts. Rather
* than crashing, do something sensible.
*/
if (unlikely(irq >= NR_IRQS)) {
if (unlikely(irq >= nr_irqs)) {
if (printk_ratelimit())
printk(KERN_WARNING "Bad IRQ%u\n", irq);
ack_bad_irq(irq);
......@@ -132,12 +135,12 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
struct irq_desc *desc;
unsigned long flags;
if (irq >= NR_IRQS) {
if (irq >= nr_irqs) {
printk(KERN_ERR "Trying to set irq flags for IRQ%d\n", irq);
return;
}
desc = irq_desc + irq;
desc = irq_to_desc(irq);
raw_spin_lock_irqsave(&desc->lock, flags);
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
if (iflags & IRQF_VALID)
......@@ -151,14 +154,25 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
void __init init_IRQ(void)
{
struct irq_desc *desc;
int irq;
for (irq = 0; irq < NR_IRQS; irq++)
irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
for (irq = 0; irq < nr_irqs; irq++) {
desc = irq_to_desc_alloc_node(irq, 0);
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE;
}
init_arch_irq();
}
#ifdef CONFIG_SPARSE_IRQ
int __init arch_probe_nr_irqs(void)
{
nr_irqs = arch_nr_irqs ? arch_nr_irqs : NR_IRQS;
return 0;
}
#endif
#ifdef CONFIG_HOTPLUG_CPU
static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
......@@ -178,10 +192,9 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
void migrate_irqs(void)
{
unsigned int i, cpu = smp_processor_id();
struct irq_desc *desc;
for (i = 0; i < NR_IRQS; i++) {
struct irq_desc *desc = irq_desc + i;
for_each_irq_desc(i, desc) {
if (desc->node == cpu) {
unsigned int newcpu = cpumask_any_and(desc->affinity,
cpu_online_mask);
......
arch/arm/kernel/machine_kexec.c
View file @ be82ae02
......@@ -37,12 +37,12 @@ void machine_kexec_cleanup(struct kimage *image)
{
}
void machine_shutdown(void)
{
}
void machine_crash_shutdown(struct pt_regs *regs)
{
local_irq_disable();
crash_save_cpu(regs, smp_processor_id());
printk(KERN_INFO "Loading crashdump kernel...\n");
}
void machine_kexec(struct kimage *image)
......@@ -74,7 +74,11 @@ void machine_kexec(struct kimage *image)
(unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
printk(KERN_INFO "Bye!\n");
cpu_proc_fin();
local_irq_disable();
local_fiq_disable();
setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
flush_cache_all();
cpu_proc_fin();
flush_cache_all();
cpu_reset(reboot_code_buffer_phys);
}
arch/arm/kernel/process.c
View file @ be82ae02
......@@ -28,7 +28,9 @@
#include <linux/tick.h>
#include <linux/utsname.h>
#include <linux/uaccess.h>
#include <linux/random.h>
#include <asm/cacheflush.h>
#include <asm/leds.h>
#include <asm/processor.h>
#include <asm/system.h>
......@@ -36,6 +38,12 @@
#include <asm/stacktrace.h>
#include <asm/mach/time.h>
#ifdef CONFIG_CC_STACKPROTECTOR
#include <linux/stackprotector.h>
unsigned long __stack_chk_guard __read_mostly;
EXPORT_SYMBOL(__stack_chk_guard);
#endif
static const char *processor_modes[] = {
"USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
"UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
......@@ -84,10 +92,9 @@ __setup("hlt", hlt_setup);
void arm_machine_restart(char mode, const char *cmd)
{
/*
* Clean and disable cache, and turn off interrupts
*/
cpu_proc_fin();
/* Disable interrupts first */
local_irq_disable();
local_fiq_disable();
/*
* Tell the mm system that we are going to reboot -
......@@ -96,6 +103,15 @@ void arm_machine_restart(char mode, const char *cmd)
*/
setup_mm_for_reboot(mode);
/* Clean and invalidate caches */
flush_cache_all();
/* Turn off caching */
cpu_proc_fin();
/* Push out any further dirty data, and ensure cache is empty */
flush_cache_all();
/*
* Now call the architecture specific reboot code.
*/
......@@ -189,19 +205,29 @@ int __init reboot_setup(char *str)
__setup("reboot=", reboot_setup);
void machine_halt(void)
void machine_shutdown(void)
{
#ifdef CONFIG_SMP
smp_send_stop();
#endif
}
void machine_halt(void)
{
machine_shutdown();
while (1);
}
void machine_power_off(void)
{
machine_shutdown();
if (pm_power_off)
pm_power_off();
}
void machine_restart(char *cmd)
{
machine_shutdown();
arm_pm_restart(reboot_mode, cmd);
}
......@@ -426,3 +452,9 @@ unsigned long get_wchan(struct task_struct *p)
} while (count ++ < 16);
return 0;
}
unsigned long arch_randomize_brk(struct mm_struct *mm)
{
unsigned long range_end = mm->brk + 0x02000000;
return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
}
arch/arm/kernel/ptrace.c
View file @ be82ae02
......@@ -52,6 +52,102 @@
#define BREAKINST_THUMB 0xde01
#endif
struct pt_regs_offset {
const char *name;
int offset;
};
#define REG_OFFSET_NAME(r) \
{.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)}
#define REG_OFFSET_END {.name = NULL, .offset = 0}
static const struct pt_regs_offset regoffset_table[] = {
REG_OFFSET_NAME(r0),
REG_OFFSET_NAME(r1),
REG_OFFSET_NAME(r2),
REG_OFFSET_NAME(r3),
REG_OFFSET_NAME(r4),
REG_OFFSET_NAME(r5),
REG_OFFSET_NAME(r6),
REG_OFFSET_NAME(r7),
REG_OFFSET_NAME(r8),
REG_OFFSET_NAME(r9),
REG_OFFSET_NAME(r10),
REG_OFFSET_NAME(fp),
REG_OFFSET_NAME(ip),
REG_OFFSET_NAME(sp),
REG_OFFSET_NAME(lr),
REG_OFFSET_NAME(pc),
REG_OFFSET_NAME(cpsr),
REG_OFFSET_NAME(ORIG_r0),
REG_OFFSET_END,
};
/**
* regs_query_register_offset() - query register offset from its name
* @name: the name of a register
*
* regs_query_register_offset() returns the offset of a register in struct
* pt_regs from its name. If the name is invalid, this returns -EINVAL;
*/
int regs_query_register_offset(const char *name)
{
const struct pt_regs_offset *roff;
for (roff = regoffset_table; roff->name != NULL; roff++)
if (!strcmp(roff->name, name))
return roff->offset;
return -EINVAL;
}
/**
* regs_query_register_name() - query register name from its offset
* @offset: the offset of a register in struct pt_regs.
*
* regs_query_register_name() returns the name of a register from its
* offset in struct pt_regs. If the @offset is invalid, this returns NULL;
*/
const char *regs_query_register_name(unsigned int offset)
{
const struct pt_regs_offset *roff;
for (roff = regoffset_table; roff->name != NULL; roff++)
if (roff->offset == offset)
return roff->name;
return NULL;
}
/**
* regs_within_kernel_stack() - check the address in the stack
* @regs: pt_regs which contains kernel stack pointer.
* @addr: address which is checked.
*
* regs_within_kernel_stack() checks @addr is within the kernel stack page(s).
* If @addr is within the kernel stack, it returns true. If not, returns false.
*/
bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr)
{
return ((addr & ~(THREAD_SIZE - 1)) ==
(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));
}
/**
* regs_get_kernel_stack_nth() - get Nth entry of the stack
* @regs: pt_regs which contains kernel stack pointer.
* @n: stack entry number.
*
* regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which
* is specified by @regs. If the @n th entry is NOT in the kernel stack,
* this returns 0.
*/
unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)
{
unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);
addr += n;
if (regs_within_kernel_stack(regs, (unsigned long)addr))
return *addr;
else
return 0;
}
/*
* this routine will get a word off of the processes privileged stack.
* the offset is how far from the base addr as stored in the THREAD.
......
arch/arm/kernel/relocate_kernel.S
View file @ be82ae02
......@@ -10,6 +10,12 @@ relocate_new_kernel:
ldr r0,kexec_indirection_page
ldr r1,kexec_start_address
/*
* If there is no indirection page (we are doing crashdumps)
* skip any relocation.
*/
cmp r0, #0
beq 2f
0: /* top, read another word for the indirection page */
ldr r3, [r0],#4
......
arch/arm/kernel/setup.c
View file @ be82ae02
......@@ -19,12 +19,15 @@
#include <linux/seq_file.h>
#include <linux/screen_info.h>
#include <linux/init.h>
#include <linux/kexec.h>
#include <linux/crash_dump.h>
#include <linux/root_dev.h>
#include <linux/cpu.h>
#include <linux/interrupt.h>
#include <linux/smp.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/memblock.h>
#include <asm/unified.h>
#include <asm/cpu.h>
......@@ -44,7 +47,9 @@
#include <asm/traps.h>
#include <asm/unwind.h>
#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
#include "compat.h"
#endif
#include "atags.h"
#include "tcm.h"
......@@ -269,6 +274,21 @@ static void __init cacheid_init(void)
extern struct proc_info_list *lookup_processor_type(unsigned int);
extern struct machine_desc *lookup_machine_type(unsigned int);
static void __init feat_v6_fixup(void)
{
int id = read_cpuid_id();
if ((id & 0xff0f0000) != 0x41070000)
return;
/*
* HWCAP_TLS is available only on 1136 r1p0 and later,
* see also kuser_get_tls_init.
*/
if ((((id >> 4) & 0xfff) == 0xb36) && (((id >> 20) & 3) == 0))
elf_hwcap &= ~HWCAP_TLS;
}
static void __init setup_processor(void)
{
struct proc_info_list *list;
......@@ -311,6 +331,8 @@ static void __init setup_processor(void)
elf_hwcap &= ~HWCAP_THUMB;
#endif
feat_v6_fixup();
cacheid_init();
cpu_proc_init();
}
......@@ -402,13 +424,12 @@ static int __init arm_add_memory(unsigned long start, unsigned long size)
size -= start & ~PAGE_MASK;
bank->start = PAGE_ALIGN(start);
bank->size = size & PAGE_MASK;
bank->node = PHYS_TO_NID(start);
/*
* Check whether this memory region has non-zero size or
* invalid node number.
*/
if (bank->size == 0 || bank->node >= MAX_NUMNODES)
if (bank->size == 0)
return -EINVAL;
meminfo.nr_banks++;
......@@ -663,6 +684,86 @@ static int __init customize_machine(void)
}
arch_initcall(customize_machine);
#ifdef CONFIG_KEXEC
static inline unsigned long long get_total_mem(void)
{
unsigned long total;
total = max_low_pfn - min_low_pfn;
return total << PAGE_SHIFT;
}
/**
* reserve_crashkernel() - reserves memory are for crash kernel
*
* This function reserves memory area given in "crashkernel=" kernel command
* line parameter. The memory reserved is used by a dump capture kernel when
* primary kernel is crashing.
*/
static void __init reserve_crashkernel(void)
{
unsigned long long crash_size, crash_base;
unsigned long long total_mem;
int ret;
total_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
if (ret)
return;
ret = reserve_bootmem(crash_base, crash_size, BOOTMEM_EXCLUSIVE);
if (ret < 0) {
printk(KERN_WARNING "crashkernel reservation failed - "
"memory is in use (0x%lx)\n", (unsigned long)crash_base);
return;
}
printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
"for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crash_base >> 20),
(unsigned long)(total_mem >> 20));
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
insert_resource(&iomem_resource, &crashk_res);
}
#else
static inline void reserve_crashkernel(void) {}
#endif /* CONFIG_KEXEC */
/*
* Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
* is_kdump_kernel() to determine if we are booting after a panic. Hence
* ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
*/
#ifdef CONFIG_CRASH_DUMP
/*
* elfcorehdr= specifies the location of elf core header stored by the crashed
* kernel. This option will be passed by kexec loader to the capture kernel.
*/
static int __init setup_elfcorehdr(char *arg)
{
char *end;
if (!arg)
return -EINVAL;
elfcorehdr_addr = memparse(arg, &end);
return end > arg ? 0 : -EINVAL;
}
early_param("elfcorehdr", setup_elfcorehdr);
#endif /* CONFIG_CRASH_DUMP */
static void __init squash_mem_tags(struct tag *tag)
{
for (; tag->hdr.size; tag = tag_next(tag))
if (tag->hdr.tag == ATAG_MEM)
tag->hdr.tag = ATAG_NONE;
}
void __init setup_arch(char **cmdline_p)
{
struct tag *tags = (struct tag *)&init_tags;
......@@ -683,12 +784,14 @@ void __init setup_arch(char **cmdline_p)
else if (mdesc->boot_params)
tags = phys_to_virt(mdesc->boot_params);
#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
/*
* If we have the old style parameters, convert them to
* a tag list.
*/
if (tags->hdr.tag != ATAG_CORE)
convert_to_tag_list(tags);
#endif
if (tags->hdr.tag != ATAG_CORE)
tags = (struct tag *)&init_tags;
......@@ -716,12 +819,15 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
arm_memblock_init(&meminfo, mdesc);
paging_init(mdesc);
request_standard_resources(&meminfo, mdesc);
#ifdef CONFIG_SMP
smp_init_cpus();
#endif
reserve_crashkernel();
cpu_init();
tcm_init();
......@@ -729,6 +835,7 @@ void __init setup_arch(char **cmdline_p)
/*
* Set up various architecture-specific pointers
*/
arch_nr_irqs = mdesc->nr_irqs;
init_arch_irq = mdesc->init_irq;
system_timer = mdesc->timer;
init_machine = mdesc->init_machine;
......
arch/arm/kernel/smp.c
View file @ be82ae02
......@@ -429,7 +429,11 @@ static void smp_timer_broadcast(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_TIMER);
}
#else
#define smp_timer_broadcast NULL
#endif
#ifndef CONFIG_LOCAL_TIMERS
static void broadcast_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
......@@ -444,7 +448,6 @@ static void local_timer_setup(struct clock_event_device *evt)
evt->rating = 400;
evt->mult = 1;
evt->set_mode = broadcast_timer_set_mode;
evt->broadcast = smp_timer_broadcast;
clockevents_register_device(evt);
}
......@@ -456,6 +459,7 @@ void __cpuinit percpu_timer_setup(void)
struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu);
evt->cpumask = cpumask_of(cpu);
evt->broadcast = smp_timer_broadcast;
local_timer_setup(evt);
}
......@@ -467,10 +471,13 @@ static DEFINE_SPINLOCK(stop_lock);
*/
static void ipi_cpu_stop(unsigned int cpu)
{
spin_lock(&stop_lock);
printk(KERN_CRIT "CPU%u: stopping\n", cpu);
dump_stack();
spin_unlock(&stop_lock);
if (system_state == SYSTEM_BOOTING ||
system_state == SYSTEM_RUNNING) {
spin_lock(&stop_lock);
printk(KERN_CRIT "CPU%u: stopping\n", cpu);
dump_stack();
spin_unlock(&stop_lock);
}
set_cpu_online(cpu, false);
......
arch/arm/kernel/smp_twd.c
View file @ be82ae02
......@@ -132,7 +132,8 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk)
twd_calibrate_rate();
clk->name = "local_timer";
clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT |
CLOCK_EVT_FEAT_C3STOP;
clk->rating = 350;
clk->set_mode = twd_set_mode;
clk->set_next_event = twd_set_next_event;
......
arch/arm/kernel/tcm.c
View file @ be82ae02
......@@ -13,38 +13,35 @@
#include <linux/ioport.h>
#include <linux/genalloc.h>
#include <linux/string.h> /* memcpy */
#include <asm/page.h> /* PAGE_SHIFT */
#include <asm/cputype.h>
#include <asm/mach/map.h>
#include <mach/memory.h>
#include "tcm.h"
/* Scream and warn about misuse */
#if !defined(ITCM_OFFSET) || !defined(ITCM_END) || \
!defined(DTCM_OFFSET) || !defined(DTCM_END)
#error "TCM support selected but offsets not defined!"
#endif
static struct gen_pool *tcm_pool;
/* TCM section definitions from the linker */
extern char __itcm_start, __sitcm_text, __eitcm_text;
extern char __dtcm_start, __sdtcm_data, __edtcm_data;
/* These will be increased as we run */
u32 dtcm_end = DTCM_OFFSET;
u32 itcm_end = ITCM_OFFSET;
/*
* TCM memory resources
*/
static struct resource dtcm_res = {
.name = "DTCM RAM",
.start = DTCM_OFFSET,
.end = DTCM_END,
.end = DTCM_OFFSET,
.flags = IORESOURCE_MEM
};
static struct resource itcm_res = {
.name = "ITCM RAM",
.start = ITCM_OFFSET,
.end = ITCM_END,
.end = ITCM_OFFSET,
.flags = IORESOURCE_MEM
};
......@@ -52,8 +49,8 @@ static struct map_desc dtcm_iomap[] __initdata = {
{
.virtual = DTCM_OFFSET,
.pfn = __phys_to_pfn(DTCM_OFFSET),
.length = (DTCM_END - DTCM_OFFSET + 1),
.type = MT_UNCACHED
.length = 0,
.type = MT_MEMORY_DTCM
}
};
......@@ -61,8 +58,8 @@ static struct map_desc itcm_iomap[] __initdata = {
{
.virtual = ITCM_OFFSET,
.pfn = __phys_to_pfn(ITCM_OFFSET),
.length = (ITCM_END - ITCM_OFFSET + 1),
.type = MT_UNCACHED
.length = 0,
.type = MT_MEMORY_ITCM
}
};
......@@ -93,14 +90,24 @@ void tcm_free(void *addr, size_t len)
}
EXPORT_SYMBOL(tcm_free);
static void __init setup_tcm_bank(u8 type, u32 offset, u32 expected_size)
static int __init setup_tcm_bank(u8 type, u8 bank, u8 banks,
u32 *offset)
{
const int tcm_sizes[16] = { 0, -1, -1, 4, 8, 16, 32, 64, 128,
256, 512, 1024, -1, -1, -1, -1 };
u32 tcm_region;
int tcm_size;
/*
* If there are more than one TCM bank of this type,
* select the TCM bank to operate on in the TCM selection
* register.
*/
if (banks > 1)
asm("mcr p15, 0, %0, c9, c2, 0"
: /* No output operands */
: "r" (bank));
/* Read the special TCM region register c9, 0 */
if (!type)
asm("mrc p15, 0, %0, c9, c1, 0"
......@@ -111,26 +118,24 @@ static void __init setup_tcm_bank(u8 type, u32 offset, u32 expected_size)
tcm_size = tcm_sizes[(tcm_region >> 2) & 0x0f];
if (tcm_size < 0) {
pr_err("CPU: %sTCM of unknown size!\n",
type ? "I" : "D");
pr_err("CPU: %sTCM%d of unknown size\n",
type ? "I" : "D", bank);
return -EINVAL;
} else if (tcm_size > 32) {
pr_err("CPU: %sTCM%d larger than 32k found\n",
type ? "I" : "D", bank);
return -EINVAL;
} else {
pr_info("CPU: found %sTCM %dk @ %08x, %senabled\n",
pr_info("CPU: found %sTCM%d %dk @ %08x, %senabled\n",
type ? "I" : "D",
bank,
tcm_size,
(tcm_region & 0xfffff000U),
(tcm_region & 1) ? "" : "not ");
}
if (tcm_size != expected_size) {
pr_crit("CPU: %sTCM was detected %dk but expected %dk!\n",
type ? "I" : "D",
tcm_size,
expected_size);
/* Adjust to the expected size? what can we do... */
}
/* Force move the TCM bank to where we want it, enable */
tcm_region = offset | (tcm_region & 0x00000ffeU) | 1;
tcm_region = *offset | (tcm_region & 0x00000ffeU) | 1;
if (!type)
asm("mcr p15, 0, %0, c9, c1, 0"
......@@ -141,10 +146,15 @@ static void __init setup_tcm_bank(u8 type, u32 offset, u32 expected_size)
: /* No output operands */
: "r" (tcm_region));
pr_debug("CPU: moved %sTCM %dk to %08x, enabled\n",
type ? "I" : "D",
tcm_size,
(tcm_region & 0xfffff000U));
/* Increase offset */
*offset += (tcm_size << 10);
pr_info("CPU: moved %sTCM%d %dk to %08x, enabled\n",
type ? "I" : "D",
bank,
tcm_size,
(tcm_region & 0xfffff000U));
return 0;
}
/*
......@@ -153,34 +163,52 @@ static void __init setup_tcm_bank(u8 type, u32 offset, u32 expected_size)
void __init tcm_init(void)
{
u32 tcm_status = read_cpuid_tcmstatus();
u8 dtcm_banks = (tcm_status >> 16) & 0x03;
u8 itcm_banks = (tcm_status & 0x03);
char *start;
char *end;
char *ram;
int ret;
int i;
/* Setup DTCM if present */
if (tcm_status & (1 << 16)) {
setup_tcm_bank(0, DTCM_OFFSET,
(DTCM_END - DTCM_OFFSET + 1) >> 10);
if (dtcm_banks > 0) {
for (i = 0; i < dtcm_banks; i++) {
ret = setup_tcm_bank(0, i, dtcm_banks, &dtcm_end);
if (ret)
return;
}
dtcm_res.end = dtcm_end - 1;
request_resource(&iomem_resource, &dtcm_res);
dtcm_iomap[0].length = dtcm_end - DTCM_OFFSET;
iotable_init(dtcm_iomap, 1);
/* Copy data from RAM to DTCM */
start = &__sdtcm_data;
end = &__edtcm_data;
ram = &__dtcm_start;
/* This means you compiled more code than fits into DTCM */
BUG_ON((end - start) > (dtcm_end - DTCM_OFFSET));
memcpy(start, ram, (end-start));
pr_debug("CPU DTCM: copied data from %p - %p\n", start, end);
}
/* Setup ITCM if present */
if (tcm_status & 1) {
setup_tcm_bank(1, ITCM_OFFSET,
(ITCM_END - ITCM_OFFSET + 1) >> 10);
if (itcm_banks > 0) {
for (i = 0; i < itcm_banks; i++) {
ret = setup_tcm_bank(1, i, itcm_banks, &itcm_end);
if (ret)
return;
}
itcm_res.end = itcm_end - 1;
request_resource(&iomem_resource, &itcm_res);
itcm_iomap[0].length = itcm_end - ITCM_OFFSET;
iotable_init(itcm_iomap, 1);
/* Copy code from RAM to ITCM */
start = &__sitcm_text;
end = &__eitcm_text;
ram = &__itcm_start;
/* This means you compiled more code than fits into ITCM */
BUG_ON((end - start) > (itcm_end - ITCM_OFFSET));
memcpy(start, ram, (end-start));
pr_debug("CPU ITCM: copied code from %p - %p\n", start, end);
}
......@@ -208,10 +236,10 @@ static int __init setup_tcm_pool(void)
pr_debug("Setting up TCM memory pool\n");
/* Add the rest of DTCM to the TCM pool */
if (tcm_status & (1 << 16)) {
if (dtcm_pool_start < DTCM_END) {
if (tcm_status & (0x03 << 16)) {
if (dtcm_pool_start < dtcm_end) {
ret = gen_pool_add(tcm_pool, dtcm_pool_start,
DTCM_END - dtcm_pool_start + 1, -1);
dtcm_end - dtcm_pool_start, -1);
if (ret) {
pr_err("CPU DTCM: could not add DTCM " \
"remainder to pool!\n");
......@@ -219,16 +247,16 @@ static int __init setup_tcm_pool(void)
}
pr_debug("CPU DTCM: Added %08x bytes @ %08x to " \
"the TCM memory pool\n",
DTCM_END - dtcm_pool_start + 1,
dtcm_end - dtcm_pool_start,
dtcm_pool_start);
}
}
/* Add the rest of ITCM to the TCM pool */
if (tcm_status & 1) {
if (itcm_pool_start < ITCM_END) {
if (tcm_status & 0x03) {
if (itcm_pool_start < itcm_end) {
ret = gen_pool_add(tcm_pool, itcm_pool_start,
ITCM_END - itcm_pool_start + 1, -1);
itcm_end - itcm_pool_start, -1);
if (ret) {
pr_err("CPU ITCM: could not add ITCM " \
"remainder to pool!\n");
......@@ -236,7 +264,7 @@ static int __init setup_tcm_pool(void)
}
pr_debug("CPU ITCM: Added %08x bytes @ %08x to " \
"the TCM memory pool\n",
ITCM_END - itcm_pool_start + 1,
itcm_end - itcm_pool_start,
itcm_pool_start);
}
}
......
arch/arm/kernel/traps.c
View file @ be82ae02
......@@ -30,6 +30,7 @@
#include <asm/unistd.h>
#include <asm/traps.h>
#include <asm/unwind.h>
#include <asm/tls.h>
#include "ptrace.h"
#include "signal.h"
......@@ -518,17 +519,20 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
case NR(set_tls):
thread->tp_value = regs->ARM_r0;
#if defined(CONFIG_HAS_TLS_REG)
asm ("mcr p15, 0, %0, c13, c0, 3" : : "r" (regs->ARM_r0) );
#elif !defined(CONFIG_TLS_REG_EMUL)
/*
* User space must never try to access this directly.
* Expect your app to break eventually if you do so.
* The user helper at 0xffff0fe0 must be used instead.
* (see entry-armv.S for details)
*/
*((unsigned int *)0xffff0ff0) = regs->ARM_r0;
#endif
if (tls_emu)
return 0;
if (has_tls_reg) {
asm ("mcr p15, 0, %0, c13, c0, 3"
: : "r" (regs->ARM_r0));
} else {
/*
* User space must never try to access this directly.
* Expect your app to break eventually if you do so.
* The user helper at 0xffff0fe0 must be used instead.
* (see entry-armv.S for details)
*/
*((unsigned int *)0xffff0ff0) = regs->ARM_r0;
}
return 0;
#ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG
......@@ -743,6 +747,16 @@ void __init trap_init(void)
return;
}
static void __init kuser_get_tls_init(unsigned long vectors)
{
/*
* vectors + 0xfe0 = __kuser_get_tls
* vectors + 0xfe8 = hardware TLS instruction at 0xffff0fe8
*/
if (tls_emu || has_tls_reg)
memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4);
}
void __init early_trap_init(void)
{
unsigned long vectors = CONFIG_VECTORS_BASE;
......@@ -760,6 +774,11 @@ void __init early_trap_init(void)
memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start);
memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz);
/*
* Do processor specific fixups for the kuser helpers
*/
kuser_get_tls_init(vectors);
/*
* Copy signal return handlers into the vector page, and
* set sigreturn to be a pointer to these.
......
arch/arm/lib/Makefile
View file @ be82ae02
......@@ -41,7 +41,6 @@ else
endif
lib-$(CONFIG_ARCH_RPC) += ecard.o io-acorn.o floppydma.o
lib-$(CONFIG_ARCH_L7200) += io-acorn.o
lib-$(CONFIG_ARCH_SHARK) += io-shark.o
$(obj)/csumpartialcopy.o: $(obj)/csumpartialcopygeneric.S
......
arch/arm/mach-aaec2000/include/mach/memory.h
View file @ be82ae02
......@@ -14,14 +14,4 @@
#define PHYS_OFFSET UL(0xf0000000)
/*
* The nodes are the followings:
*
* node 0: 0xf000.0000 - 0xf3ff.ffff
* node 1: 0xf400.0000 - 0xf7ff.ffff
* node 2: 0xf800.0000 - 0xfbff.ffff
* node 3: 0xfc00.0000 - 0xffff.ffff
*/
#define NODE_MEM_SIZE_BITS 26
#endif /* __ASM_ARCH_MEMORY_H */
arch/arm/mach-at91/Kconfig
View file @ be82ae02
......@@ -366,6 +366,17 @@ config MACH_STAMP9G20
endif
if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20)
comment "AT91SAM9260/AT91SAM9G20 boards"
config MACH_SNAPPER_9260
bool "Bluewater Systems Snapper 9260/9G20 module"
help
Select this if you are using the Bluewater Systems Snapper 9260 or
Snapper 9G20 modules.
<http://www.bluewatersys.com/>
endif
# ----------------------------------------------------------
if ARCH_AT91SAM9G45
......
arch/arm/mach-at91/Makefile
View file @ be82ae02
......@@ -66,6 +66,9 @@ obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o
obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
# AT91SAM9260/AT91SAM9G20 board-specific support
obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o
# AT91SAM9G45 board-specific support
obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o
......
arch/arm/mach-at91/at91sam9g45.c
View file @ be82ae02
......@@ -20,6 +20,7 @@
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
#include <mach/at91_shdwc.h>
#include <mach/cpu.h>
#include "generic.h"
#include "clock.h"
......@@ -176,6 +177,13 @@ static struct clk mmc1_clk = {
.type = CLK_TYPE_PERIPHERAL,
};
/* Video decoder clock - Only for sam9m10/sam9m11 */
static struct clk vdec_clk = {
.name = "vdec_clk",
.pmc_mask = 1 << AT91SAM9G45_ID_VDEC,
.type = CLK_TYPE_PERIPHERAL,
};
/* One additional fake clock for ohci */
static struct clk ohci_clk = {
.name = "ohci_clk",
......@@ -239,6 +247,9 @@ static void __init at91sam9g45_register_clocks(void)
for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
clk_register(periph_clocks[i]);
if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11())
clk_register(&vdec_clk);
clk_register(&pck0);
clk_register(&pck1);
}
......
arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
View file @ be82ae02
......@@ -26,6 +26,9 @@
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/consumer.h>
#include <mach/hardware.h>
#include <asm/setup.h>
......@@ -235,6 +238,46 @@ static struct gpio_led ek_leds[] = {
}
};
#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
REGULATOR_SUPPLY("AVDD", "0-001b"),
REGULATOR_SUPPLY("HPVDD", "0-001b"),
REGULATOR_SUPPLY("DBVDD", "0-001b"),
REGULATOR_SUPPLY("DCVDD", "0-001b"),
};
static struct regulator_init_data ek_avdd_reg_init_data = {
.constraints = {
.name = "3V3",
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.consumer_supplies = ek_audio_consumer_supplies,
.num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
};
static struct fixed_voltage_config ek_vdd_pdata = {
.supply_name = "board-3V3",
.microvolts = 3300000,
.gpio = -EINVAL,
.enabled_at_boot = 0,
.init_data = &ek_avdd_reg_init_data,
};
static struct platform_device ek_voltage_regulator = {
.name = "reg-fixed-voltage",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ek_vdd_pdata,
},
};
static void __init ek_add_regulators(void)
{
platform_device_register(&ek_voltage_regulator);
}
#else
static void __init ek_add_regulators(void) {}
#endif
static struct i2c_board_info __initdata ek_i2c_devices[] = {
{
I2C_BOARD_INFO("24c512", 0x50),
......@@ -256,6 +299,8 @@ static void __init ek_board_init(void)
ek_add_device_nand();
/* Ethernet */
at91_add_device_eth(&ek_macb_data);
/* Regulators */
ek_add_regulators();
/* MMC */
#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
at91_add_device_mci(0, &ek_mmc_data);
......
arch/arm/mach-at91/board-sam9g20ek.c
View file @ be82ae02
......@@ -27,6 +27,9 @@
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/clk.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/consumer.h>
#include <mach/hardware.h>
#include <asm/setup.h>
......@@ -269,6 +272,46 @@ static void __init ek_add_device_buttons(void)
static void __init ek_add_device_buttons(void) {}
#endif
#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
REGULATOR_SUPPLY("AVDD", "0-001b"),
REGULATOR_SUPPLY("HPVDD", "0-001b"),
REGULATOR_SUPPLY("DBVDD", "0-001b"),
REGULATOR_SUPPLY("DCVDD", "0-001b"),
};
static struct regulator_init_data ek_avdd_reg_init_data = {
.constraints = {
.name = "3V3",
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.consumer_supplies = ek_audio_consumer_supplies,
.num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
};
static struct fixed_voltage_config ek_vdd_pdata = {
.supply_name = "board-3V3",
.microvolts = 3300000,
.gpio = -EINVAL,
.enabled_at_boot = 0,
.init_data = &ek_avdd_reg_init_data,
};
static struct platform_device ek_voltage_regulator = {
.name = "reg-fixed-voltage",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ek_vdd_pdata,
},
};
static void __init ek_add_regulators(void)
{
platform_device_register(&ek_voltage_regulator);
}
#else
static void __init ek_add_regulators(void) {}
#endif
static struct i2c_board_info __initdata ek_i2c_devices[] = {
{
......@@ -294,6 +337,8 @@ static void __init ek_board_init(void)
ek_add_device_nand();
/* Ethernet */
at91_add_device_eth(&ek_macb_data);
/* Regulators */
ek_add_regulators();
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
/* I2C */
......
arch/arm/mach-at91/board-snapper9260.c 0 → 100644
View file @ be82ae02
/*
* linux/arch/arm/mach-at91/board-snapper9260.c
*
* Copyright (C) 2010 Bluewater System Ltd
*
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: Ryan Mallon <ryan@bluewatersys.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.
*
* 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/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/i2c/pca953x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/at91sam9_smc.h>
#include "sam9_smc.h"
#include "generic.h"
#define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x))
static void __init snapper9260_map_io(void)
{
at91sam9260_initialize(18432000);
/* Debug on ttyS0 */
at91_register_uart(0, 0, 0);
at91_set_serial_console(0);
at91_register_uart(AT91SAM9260_ID_US0, 1,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US1, 2,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
}
static void __init snapper9260_init_irq(void)
{
at91sam9260_init_interrupts(NULL);
}
static struct at91_usbh_data __initdata snapper9260_usbh_data = {
.ports = 2,
};
static struct at91_udc_data __initdata snapper9260_udc_data = {
.vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
.vbus_active_low = 1,
.vbus_polled = 1,
};
static struct at91_eth_data snapper9260_macb_data = {
.is_rmii = 1,
};
static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
{
.name = "Preboot",
.offset = 0,
.size = SZ_128K,
},
{
.name = "Bootloader",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K,
},
{
.name = "Environment",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
},
{
.name = "Filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct mtd_partition * __init
snapper9260_nand_partition_info(int size, int *num_partitions)
{
*num_partitions = ARRAY_SIZE(snapper9260_nand_partitions);
return snapper9260_nand_partitions;
}
static struct atmel_nand_data __initdata snapper9260_nand_data = {
.ale = 21,
.cle = 22,
.rdy_pin = AT91_PIN_PC13,
.partition_info = snapper9260_nand_partition_info,
.bus_width_16 = 0,
};
static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 0,
.ncs_write_setup = 0,
.nwe_setup = 0,
.ncs_read_pulse = 5,
.nrd_pulse = 2,
.ncs_write_pulse = 5,
.nwe_pulse = 2,
.read_cycle = 7,
.write_cycle = 7,
.mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE),
.tdf_cycles = 1,
};
static struct pca953x_platform_data snapper9260_io_expander_data = {
.gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
};
static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
{
/* IO expander */
I2C_BOARD_INFO("max7312", 0x28),
.platform_data = &snapper9260_io_expander_data,
},
{
/* Audio codec */
I2C_BOARD_INFO("tlv320aic23", 0x1a),
},
{
/* RTC */
I2C_BOARD_INFO("isl1208", 0x6f),
},
};
static void __init snapper9260_add_device_nand(void)
{
at91_set_A_periph(AT91_PIN_PC14, 0);
sam9_smc_configure(3, &snapper9260_nand_smc_config);
at91_add_device_nand(&snapper9260_nand_data);
}
static void __init snapper9260_board_init(void)
{
at91_add_device_i2c(snapper9260_i2c_devices,
ARRAY_SIZE(snapper9260_i2c_devices));
at91_add_device_serial();
at91_add_device_usbh(&snapper9260_usbh_data);
at91_add_device_udc(&snapper9260_udc_data);
at91_add_device_eth(&snapper9260_macb_data);
at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
ATMEL_SSC_TD | ATMEL_SSC_RD));
snapper9260_add_device_nand();
}
MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
.phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
.timer = &at91sam926x_timer,
.map_io = snapper9260_map_io,
.init_irq = snapper9260_init_irq,
.init_machine = snapper9260_board_init,
MACHINE_END
arch/arm/mach-at91/include/mach/at91cap9.h
View file @ be82ae02
......@@ -84,7 +84,7 @@
*/
#define AT91_ECC (0xffffe200 - AT91_BASE_SYS)
#define AT91_BCRAMC (0xffffe400 - AT91_BASE_SYS)
#define AT91_DDRSDRC (0xffffe600 - AT91_BASE_SYS)
#define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS)
#define AT91_SMC (0xffffe800 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS)
#define AT91_CCFG (0xffffeb10 - AT91_BASE_SYS)
......
arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h
View file @ be82ae02
......@@ -15,7 +15,7 @@
#ifndef AT91CAP9_DDRSDR_H
#define AT91CAP9_DDRSDR_H
#define AT91_DDRSDRC_MR (AT91_DDRSDRC + 0x00) /* Mode Register */
#define AT91_DDRSDRC_MR 0x00 /* Mode Register */
#define AT91_DDRSDRC_MODE (0xf << 0) /* Command Mode */
#define AT91_DDRSDRC_MODE_NORMAL 0
#define AT91_DDRSDRC_MODE_NOP 1
......@@ -25,10 +25,10 @@
#define AT91_DDRSDRC_MODE_EXT_LMR 5
#define AT91_DDRSDRC_MODE_DEEP 6
#define AT91_DDRSDRC_RTR (AT91_DDRSDRC + 0x04) /* Refresh Timer Register */
#define AT91_DDRSDRC_RTR 0x04 /* Refresh Timer Register */
#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */
#define AT91_DDRSDRC_CR (AT91_DDRSDRC + 0x08) /* Configuration Register */
#define AT91_DDRSDRC_CR 0x08 /* Configuration Register */
#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */
#define AT91_DDRSDRC_NC_SDR8 (0 << 0)
#define AT91_DDRSDRC_NC_SDR9 (1 << 0)
......@@ -49,7 +49,7 @@
#define AT91_DDRSDRC_DLL (1 << 7) /* Reset DLL */
#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */
#define AT91_DDRSDRC_T0PR (AT91_DDRSDRC + 0x0C) /* Timing 0 Register */
#define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */
#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */
#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */
#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */
......@@ -59,13 +59,13 @@
#define AT91_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */
#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */
#define AT91_DDRSDRC_T1PR (AT91_DDRSDRC + 0x10) /* Timing 1 Register */
#define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */
#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */
#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */
#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */
#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */
#define AT91_DDRSDRC_LPR (AT91_DDRSDRC + 0x18) /* Low Power Register */
#define AT91_DDRSDRC_LPR 0x18 /* Low Power Register */
#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */
#define AT91_DDRSDRC_LPCB_DISABLE 0
#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1
......@@ -80,14 +80,14 @@
#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12)
#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12)
#define AT91_DDRSDRC_MDR (AT91_DDRSDRC + 0x1C) /* Memory Device Register */
#define AT91_DDRSDRC_MDR 0x1C /* Memory Device Register */
#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */
#define AT91_DDRSDRC_MD_SDR 0
#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1
#define AT91_DDRSDRC_MD_DDR 2
#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3
#define AT91_DDRSDRC_DLLR (AT91_DDRSDRC + 0x20) /* DLL Information Register */
#define AT91_DDRSDRC_DLLR 0x20 /* DLL Information Register */
#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */
#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */
#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */
......@@ -98,5 +98,11 @@
#define AT91_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */
#define AT91_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */
/* Register access macros */
#define at91_ramc_read(num, reg) \
at91_sys_read(AT91_DDRSDRC##num + reg)
#define at91_ramc_write(num, reg, value) \
at91_sys_write(AT91_DDRSDRC##num + reg, value)
#endif
arch/arm/mach-at91/include/mach/at91sam9260.h
View file @ be82ae02
......@@ -84,7 +84,7 @@
* System Peripherals (offset from AT91_BASE_SYS)
*/
#define AT91_ECC (0xffffe800 - AT91_BASE_SYS)
#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS)
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_SMC (0xffffec00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_CCFG (0xffffef10 - AT91_BASE_SYS)
......
arch/arm/mach-at91/include/mach/at91sam9261.h
View file @ be82ae02
......@@ -68,7 +68,7 @@
/*
* System Peripherals (offset from AT91_BASE_SYS)
*/
#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS)
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_SMC (0xffffec00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
......
arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h 0 → 100644
View file @ be82ae02
/*
* Header file for the Atmel DDR/SDR SDRAM Controller
*
* Copyright (C) 2010 Atmel Corporation
* Nicolas Ferre <nicolas.ferre@atmel.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 AT91SAM9_DDRSDR_H
#define AT91SAM9_DDRSDR_H
#define AT91_DDRSDRC_MR 0x00 /* Mode Register */
#define AT91_DDRSDRC_MODE (0x7 << 0) /* Command Mode */
#define AT91_DDRSDRC_MODE_NORMAL 0
#define AT91_DDRSDRC_MODE_NOP 1
#define AT91_DDRSDRC_MODE_PRECHARGE 2
#define AT91_DDRSDRC_MODE_LMR 3
#define AT91_DDRSDRC_MODE_REFRESH 4
#define AT91_DDRSDRC_MODE_EXT_LMR 5
#define AT91_DDRSDRC_MODE_DEEP 6
#define AT91_DDRSDRC_RTR 0x04 /* Refresh Timer Register */
#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */
#define AT91_DDRSDRC_CR 0x08 /* Configuration Register */
#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */
#define AT91_DDRSDRC_NC_SDR8 (0 << 0)
#define AT91_DDRSDRC_NC_SDR9 (1 << 0)
#define AT91_DDRSDRC_NC_SDR10 (2 << 0)
#define AT91_DDRSDRC_NC_SDR11 (3 << 0)
#define AT91_DDRSDRC_NC_DDR9 (0 << 0)
#define AT91_DDRSDRC_NC_DDR10 (1 << 0)
#define AT91_DDRSDRC_NC_DDR11 (2 << 0)
#define AT91_DDRSDRC_NC_DDR12 (3 << 0)
#define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */
#define AT91_DDRSDRC_NR_11 (0 << 2)
#define AT91_DDRSDRC_NR_12 (1 << 2)
#define AT91_DDRSDRC_NR_13 (2 << 2)
#define AT91_DDRSDRC_NR_14 (3 << 2)
#define AT91_DDRSDRC_CAS (7 << 4) /* CAS Latency */
#define AT91_DDRSDRC_CAS_2 (2 << 4)
#define AT91_DDRSDRC_CAS_3 (3 << 4)
#define AT91_DDRSDRC_CAS_25 (6 << 4)
#define AT91_DDRSDRC_RST_DLL (1 << 7) /* Reset DLL */
#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */
#define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL */
#define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver */
#define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared */
#define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y */
#define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */
#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */
#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */
#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */
#define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */
#define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */
#define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */
#define AT91_DDRSDRC_TWTR (0x7 << 24) /* Internal Write to Read delay */
#define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay */
#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */
#define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */
#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */
#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */
#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */
#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */
#define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register */
#define AT91_DDRSDRC_TXARD (0xf << 0) /* Exit active power down delay to read command in mode "Fast Exit" */
#define AT91_DDRSDRC_TXARDS (0xf << 4) /* Exit active power down delay to read command in mode "Slow Exit" */
#define AT91_DDRSDRC_TRPA (0xf << 8) /* Row Precharge All delay */
#define AT91_DDRSDRC_TRTP (0x7 << 12) /* Read to Precharge delay */
#define AT91_DDRSDRC_LPR 0x1C /* Low Power Register */
#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */
#define AT91_DDRSDRC_LPCB_DISABLE 0
#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1
#define AT91_DDRSDRC_LPCB_POWER_DOWN 2
#define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3
#define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */
#define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */
#define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
#define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */
#define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */
#define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12)
#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12)
#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12)
#define AT91_DDRSDRC_APDE (1 << 16) /* Active power down exit time */
#define AT91_DDRSDRC_UPD_MR (3 << 20) /* Update load mode register and extended mode register */
#define AT91_DDRSDRC_MDR 0x20 /* Memory Device Register */
#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */
#define AT91_DDRSDRC_MD_SDR 0
#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1
#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3
#define AT91_DDRSDRC_MD_DDR2 6
#define AT91_DDRSDRC_DBW (1 << 4) /* Data Bus Width */
#define AT91_DDRSDRC_DBW_32BITS (0 << 4)
#define AT91_DDRSDRC_DBW_16BITS (1 << 4)
#define AT91_DDRSDRC_DLL 0x24 /* DLL Information Register */
#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */
#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */
#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */
#define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */
#define AT91_DDRSDRC_HS 0x2C /* High Speed Register */
#define AT91_DDRSDRC_DIS_ATCP_RD (1 << 2) /* Anticip read access is disabled */
#define AT91_DDRSDRC_DELAY(n) (0x30 + (0x4 * (n))) /* Delay I/O Register n */
#define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register */
#define AT91_DDRSDRC_WP (1 << 0) /* Write protect enable */
#define AT91_DDRSDRC_WPKEY (0xffffff << 8) /* Write protect key */
#define AT91_DDRSDRC_KEY (0x444452 << 8) /* Write protect key = "DDR" */
#define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register */
#define AT91_DDRSDRC_WPVS (1 << 0) /* Write protect violation status */
#define AT91_DDRSDRC_WPVSRC (0xffff << 8) /* Write protect violation source */
/* Register access macros */
#define at91_ramc_read(num, reg) \
at91_sys_read(AT91_DDRSDRC##num + reg)
#define at91_ramc_write(num, reg, value) \
at91_sys_write(AT91_DDRSDRC##num + reg, value)
#endif
arch/arm/mach-at91/include/mach/at91sam9_sdramc.h
View file @ be82ae02
......@@ -17,7 +17,7 @@
#define AT91SAM9_SDRAMC_H
/* SDRAM Controller (SDRAMC) registers */
#define AT91_SDRAMC_MR (AT91_SDRAMC + 0x00) /* SDRAM Controller Mode Register */
#define AT91_SDRAMC_MR 0x00 /* SDRAM Controller Mode Register */
#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */
#define AT91_SDRAMC_MODE_NORMAL 0
#define AT91_SDRAMC_MODE_NOP 1
......@@ -27,10 +27,10 @@
#define AT91_SDRAMC_MODE_EXT_LMR 5
#define AT91_SDRAMC_MODE_DEEP 6
#define AT91_SDRAMC_TR (AT91_SDRAMC + 0x04) /* SDRAM Controller Refresh Timer Register */
#define AT91_SDRAMC_TR 0x04 /* SDRAM Controller Refresh Timer Register */
#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Counter */
#define AT91_SDRAMC_CR (AT91_SDRAMC + 0x08) /* SDRAM Controller Configuration Register */
#define AT91_SDRAMC_CR 0x08 /* SDRAM Controller Configuration Register */
#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */
#define AT91_SDRAMC_NC_8 (0 << 0)
#define AT91_SDRAMC_NC_9 (1 << 0)
......@@ -57,7 +57,7 @@
#define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */
#define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */
#define AT91_SDRAMC_LPR (AT91_SDRAMC + 0x10) /* SDRAM Controller Low Power Register */
#define AT91_SDRAMC_LPR 0x10 /* SDRAM Controller Low Power Register */
#define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */
#define AT91_SDRAMC_LPCB_DISABLE 0
#define AT91_SDRAMC_LPCB_SELF_REFRESH 1
......@@ -71,16 +71,21 @@
#define AT91_SDRAMC_TIMEOUT_64_CLK_CYCLES (1 << 12)
#define AT91_SDRAMC_TIMEOUT_128_CLK_CYCLES (2 << 12)
#define AT91_SDRAMC_IER (AT91_SDRAMC + 0x14) /* SDRAM Controller Interrupt Enable Register */
#define AT91_SDRAMC_IDR (AT91_SDRAMC + 0x18) /* SDRAM Controller Interrupt Disable Register */
#define AT91_SDRAMC_IMR (AT91_SDRAMC + 0x1C) /* SDRAM Controller Interrupt Mask Register */
#define AT91_SDRAMC_ISR (AT91_SDRAMC + 0x20) /* SDRAM Controller Interrupt Status Register */
#define AT91_SDRAMC_IER 0x14 /* SDRAM Controller Interrupt Enable Register */
#define AT91_SDRAMC_IDR 0x18 /* SDRAM Controller Interrupt Disable Register */
#define AT91_SDRAMC_IMR 0x1C /* SDRAM Controller Interrupt Mask Register */
#define AT91_SDRAMC_ISR 0x20 /* SDRAM Controller Interrupt Status Register */
#define AT91_SDRAMC_RES (1 << 0) /* Refresh Error Status */
#define AT91_SDRAMC_MDR (AT91_SDRAMC + 0x24) /* SDRAM Memory Device Register */
#define AT91_SDRAMC_MDR 0x24 /* SDRAM Memory Device Register */
#define AT91_SDRAMC_MD (3 << 0) /* Memory Device Type */
#define AT91_SDRAMC_MD_SDRAM 0
#define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1
/* Register access macros */
#define at91_ramc_read(num, reg) \
at91_sys_read(AT91_SDRAMC##num + reg)
#define at91_ramc_write(num, reg, value) \
at91_sys_write(AT91_SDRAMC##num + reg, value)
#endif
arch/arm/mach-at91/include/mach/at91sam9rl.h
View file @ be82ae02
......@@ -74,7 +74,7 @@
*/
#define AT91_DMA (0xffffe600 - AT91_BASE_SYS)
#define AT91_ECC (0xffffe800 - AT91_BASE_SYS)
#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS)
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_SMC (0xffffec00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_CCFG (0xffffef10 - AT91_BASE_SYS)
......
arch/arm/mach-at91/include/mach/board.h
View file @ be82ae02
......@@ -44,6 +44,8 @@
/* USB Device */
struct at91_udc_data {
u8 vbus_pin; /* high == host powering us */
u8 vbus_active_low; /* vbus polarity */
u8 vbus_polled; /* Use polling, not interrupt */
u8 pullup_pin; /* active == D+ pulled up */
u8 pullup_active_low; /* true == pullup_pin is active low */
};
......
arch/arm/mach-at91/include/mach/cpu.h
View file @ be82ae02
......@@ -52,6 +52,7 @@ static inline unsigned long at91_cpu_fully_identify(void)
#define ARCH_EXID_AT91SAM9M11 0x00000001
#define ARCH_EXID_AT91SAM9M10 0x00000002
#define ARCH_EXID_AT91SAM9G46 0x00000003
#define ARCH_EXID_AT91SAM9G45 0x00000004
static inline unsigned long at91_exid_identify(void)
......@@ -128,9 +129,18 @@ static inline unsigned long at91cap9_rev_identify(void)
#ifdef CONFIG_ARCH_AT91SAM9G45
#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
#else
#define cpu_is_at91sam9g45() (0)
#define cpu_is_at91sam9g45es() (0)
#define cpu_is_at91sam9m10() (0)
#define cpu_is_at91sam9g46() (0)
#define cpu_is_at91sam9m11() (0)
#endif
#ifdef CONFIG_ARCH_AT91CAP9
......
arch/arm/mach-at91/include/mach/gpio.h
View file @ be82ae02
......@@ -19,6 +19,7 @@
#define PIN_BASE NR_AIC_IRQS
#define MAX_GPIO_BANKS 5
#define NR_BUILTIN_GPIO (PIN_BASE + (MAX_GPIO_BANKS * 32))
/* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
......
arch/arm/mach-at91/pm.h
View file @ be82ae02
......@@ -30,14 +30,50 @@ static inline u32 sdram_selfrefresh_enable(void)
{
u32 saved_lpr, lpr;
saved_lpr = at91_sys_read(AT91_DDRSDRC_LPR);
saved_lpr = at91_ramc_read(0, AT91_DDRSDRC_LPR);
lpr = saved_lpr & ~AT91_DDRSDRC_LPCB;
at91_sys_write(AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH);
at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH);
return saved_lpr;
}
#define sdram_selfrefresh_disable(saved_lpr) at91_sys_write(AT91_DDRSDRC_LPR, saved_lpr)
#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr)
#elif defined(CONFIG_ARCH_AT91SAM9G45)
#include <mach/at91sam9_ddrsdr.h>
/* We manage both DDRAM/SDRAM controllers, we need more than one value to
* remember.
*/
static u32 saved_lpr1;
static inline u32 sdram_selfrefresh_enable(void)
{
/* Those tow values allow us to delay self-refresh activation
* to the maximum. */
u32 lpr0, lpr1;
u32 saved_lpr0;
saved_lpr1 = at91_ramc_read(1, AT91_DDRSDRC_LPR);
lpr1 = saved_lpr1 & ~AT91_DDRSDRC_LPCB;
lpr1 |= AT91_DDRSDRC_LPCB_SELF_REFRESH;
saved_lpr0 = at91_ramc_read(0, AT91_DDRSDRC_LPR);
lpr0 = saved_lpr0 & ~AT91_DDRSDRC_LPCB;
lpr0 |= AT91_DDRSDRC_LPCB_SELF_REFRESH;
/* self-refresh mode now */
at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr0);
at91_ramc_write(1, AT91_DDRSDRC_LPR, lpr1);
return saved_lpr0;
}
#define sdram_selfrefresh_disable(saved_lpr0) \
do { \
at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0); \
at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); \
} while (0)
#else
#include <mach/at91sam9_sdramc.h>
......@@ -47,7 +83,6 @@ static inline u32 sdram_selfrefresh_enable(void)
* FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
* handle those cases both here and in the Suspend-To-RAM support.
*/
#define AT91_SDRAMC AT91_SDRAMC0
#warning Assuming EB1 SDRAM controller is *NOT* used
#endif
......@@ -55,13 +90,13 @@ static inline u32 sdram_selfrefresh_enable(void)
{
u32 saved_lpr, lpr;
saved_lpr = at91_sys_read(AT91_SDRAMC_LPR);
saved_lpr = at91_ramc_read(0, AT91_SDRAMC_LPR);
lpr = saved_lpr & ~AT91_SDRAMC_LPCB;
at91_sys_write(AT91_SDRAMC_LPR, lpr | AT91_SDRAMC_LPCB_SELF_REFRESH);
at91_ramc_write(0, AT91_SDRAMC_LPR, lpr | AT91_SDRAMC_LPCB_SELF_REFRESH);
return saved_lpr;
}
#define sdram_selfrefresh_disable(saved_lpr) at91_sys_write(AT91_SDRAMC_LPR, saved_lpr)
#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr)
#endif
arch/arm/mach-at91/pm_slowclock.S
View file @ be82ae02
......@@ -16,10 +16,12 @@
#include <mach/hardware.h>
#include <mach/at91_pmc.h>
#ifdef CONFIG_ARCH_AT91RM9200
#if defined(CONFIG_ARCH_AT91RM9200)
#include <mach/at91rm9200_mc.h>
#elif defined(CONFIG_ARCH_AT91CAP9)
#include <mach/at91cap9_ddrsdr.h>
#elif defined(CONFIG_ARCH_AT91SAM9G45)
#include <mach/at91sam9_ddrsdr.h>
#else
#include <mach/at91sam9_sdramc.h>
#endif
......@@ -30,7 +32,6 @@
* FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
* handle those cases both here and in the Suspend-To-RAM support.
*/
#define AT91_SDRAMC AT91_SDRAMC0
#warning Assuming EB1 SDRAM controller is *NOT* used
#endif
......@@ -113,12 +114,14 @@ ENTRY(at91_slow_clock)
/*
* Register usage:
* R1 = Base address of AT91_PMC
* R2 = Base address of AT91_SDRAMC (or AT91_SYS on AT91RM9200)
* R2 = Base address of RAM Controller (SDRAM, DDRSDR, or AT91_SYS)
* R3 = temporary register
* R4 = temporary register
* R5 = Base address of second RAM Controller or 0 if not present
*/
ldr r1, .at91_va_base_pmc
ldr r2, .at91_va_base_sdramc
ldr r5, .at91_va_base_ramc1
/* Drain write buffer */
mcr p15, 0, r0, c7, c10, 4
......@@ -127,20 +130,33 @@ ENTRY(at91_slow_clock)
/* Put SDRAM in self-refresh mode */
mov r3, #1
str r3, [r2, #AT91_SDRAMC_SRR]
#elif defined(CONFIG_ARCH_AT91CAP9)
/* Enable SDRAM self-refresh mode */
ldr r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
str r3, .saved_sam9_lpr
#elif defined(CONFIG_ARCH_AT91CAP9) \
|| defined(CONFIG_ARCH_AT91SAM9G45)
mov r3, #AT91_DDRSDRC_LPCB_SELF_REFRESH
str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
/* prepare for DDRAM self-refresh mode */
ldr r3, [r2, #AT91_DDRSDRC_LPR]
str r3, .saved_sam9_lpr
bic r3, #AT91_DDRSDRC_LPCB
orr r3, #AT91_DDRSDRC_LPCB_SELF_REFRESH
/* figure out if we use the second ram controller */
cmp r5, #0
ldrne r4, [r5, #AT91_DDRSDRC_LPR]
strne r4, .saved_sam9_lpr1
bicne r4, #AT91_DDRSDRC_LPCB
orrne r4, #AT91_DDRSDRC_LPCB_SELF_REFRESH
/* Enable DDRAM self-refresh mode */
str r3, [r2, #AT91_DDRSDRC_LPR]
strne r4, [r5, #AT91_DDRSDRC_LPR]
#else
/* Enable SDRAM self-refresh mode */
ldr r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
ldr r3, [r2, #AT91_SDRAMC_LPR]
str r3, .saved_sam9_lpr
mov r3, #AT91_SDRAMC_LPCB_SELF_REFRESH
str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
bic r3, #AT91_SDRAMC_LPCB
orr r3, #AT91_SDRAMC_LPCB_SELF_REFRESH
str r3, [r2, #AT91_SDRAMC_LPR]
#endif
/* Save Master clock setting */
......@@ -247,14 +263,21 @@ ENTRY(at91_slow_clock)
#ifdef CONFIG_ARCH_AT91RM9200
/* Do nothing - self-refresh is automatically disabled. */
#elif defined(CONFIG_ARCH_AT91CAP9)
/* Restore LPR on AT91CAP9 */
#elif defined(CONFIG_ARCH_AT91CAP9) \
|| defined(CONFIG_ARCH_AT91SAM9G45)
/* Restore LPR on AT91 with DDRAM */
ldr r3, .saved_sam9_lpr
str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
str r3, [r2, #AT91_DDRSDRC_LPR]
/* if we use the second ram controller */
cmp r5, #0
ldrne r4, .saved_sam9_lpr1
strne r4, [r5, #AT91_DDRSDRC_LPR]
#else
/* Restore LPR on AT91SAM9 */
/* Restore LPR on AT91 with SDRAM */
ldr r3, .saved_sam9_lpr
str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
str r3, [r2, #AT91_SDRAMC_LPR]
#endif
/* Restore registers, and return */
......@@ -273,18 +296,29 @@ ENTRY(at91_slow_clock)
.saved_sam9_lpr:
.word 0
.saved_sam9_lpr1:
.word 0
.at91_va_base_pmc:
.word AT91_VA_BASE_SYS + AT91_PMC
#ifdef CONFIG_ARCH_AT91RM9200
.at91_va_base_sdramc:
.word AT91_VA_BASE_SYS
#elif defined(CONFIG_ARCH_AT91CAP9)
#elif defined(CONFIG_ARCH_AT91CAP9) \
|| defined(CONFIG_ARCH_AT91SAM9G45)
.at91_va_base_sdramc:
.word AT91_VA_BASE_SYS + AT91_DDRSDRC
.word AT91_VA_BASE_SYS + AT91_DDRSDRC0
#else
.at91_va_base_sdramc:
.word AT91_VA_BASE_SYS + AT91_SDRAMC
.word AT91_VA_BASE_SYS + AT91_SDRAMC0
#endif
.at91_va_base_ramc1:
#if defined(CONFIG_ARCH_AT91SAM9G45)
.word AT91_VA_BASE_SYS + AT91_DDRSDRC1
#else
.word 0
#endif
ENTRY(at91_slow_clock_sz)
......
arch/arm/mach-bcmring/core.c
View file @ be82ae02
......@@ -91,14 +91,23 @@ static struct clk uart_clk = {
.parent = &pll1_clk,
};
static struct clk dummy_apb_pclk = {
.name = "BUSCLK",
.type = CLK_TYPE_PRIMARY,
.mode = CLK_MODE_XTAL,
};
static struct clk_lookup lookups[] = {
{ /* UART0 */
.dev_id = "uarta",
.clk = &uart_clk,
}, { /* UART1 */
.dev_id = "uartb",
.clk = &uart_clk,
}
{ /* Bus clock */
.con_id = "apb_pclk",
.clk = &dummy_apb_pclk,
}, { /* UART0 */
.dev_id = "uarta",
.clk = &uart_clk,
}, { /* UART1 */
.dev_id = "uartb",
.clk = &uart_clk,
}
};
static struct amba_device *amba_devs[] __initdata = {
......
arch/arm/mach-clps711x/Kconfig
View file @ be82ae02
......@@ -30,7 +30,6 @@ config ARCH_CLEP7312
config ARCH_EDB7211
bool "EDB7211"
select ISA
select ARCH_DISCONTIGMEM_ENABLE
select ARCH_SPARSEMEM_ENABLE
select ARCH_SELECT_MEMORY_MODEL
help
......
arch/arm/mach-clps711x/clep7312.c
View file @ be82ae02
......@@ -32,7 +32,6 @@ fixup_clep7312(struct machine_desc *desc, struct tag *tags,
mi->nr_banks=1;
mi->bank[0].start = 0xc0000000;
mi->bank[0].size = 0x01000000;
mi->bank[0].node = 0;
}
......
arch/arm/mach-clps711x/edb7211-arch.c
View file @ be82ae02
......@@ -18,6 +18,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/memblock.h>
#include <linux/types.h>
#include <linux/string.h>
......@@ -29,6 +30,12 @@
extern void edb7211_map_io(void);
/* Reserve screen memory region at the start of main system memory. */
static void __init edb7211_reserve(void)
{
memblock_reserve(PHYS_OFFSET, 0x00020000);
}
static void __init
fixup_edb7211(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
......@@ -43,10 +50,8 @@ fixup_edb7211(struct machine_desc *desc, struct tag *tags,
*/
mi->bank[0].start = 0xc0000000;
mi->bank[0].size = 8*1024*1024;
mi->bank[0].node = 0;
mi->bank[1].start = 0xc1000000;
mi->bank[1].size = 8*1024*1024;
mi->bank[1].node = 1;
mi->nr_banks = 2;
}
......@@ -57,6 +62,7 @@ MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
.boot_params = 0xc0020100, /* 0xc0000000 - 0xc001ffff can be video RAM */
.fixup = fixup_edb7211,
.map_io = edb7211_map_io,
.reserve = edb7211_reserve,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
MACHINE_END
arch/arm/mach-clps711x/fortunet.c
View file @ be82ae02
......@@ -39,7 +39,6 @@ struct meminfo memmap = {
{
.start = 0xC0000000,
.size = 0x01000000,
.node = 0
},
},
};
......
arch/arm/mach-clps711x/include/mach/memory.h
View file @ be82ae02
......@@ -20,7 +20,6 @@
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
......@@ -72,7 +71,6 @@
* node 2: 0xd0000000 - 0xd7ffffff
* node 3: 0xd8000000 - 0xdfffffff
*/
#define NODE_MEM_SIZE_BITS 24
#define SECTION_SIZE_BITS 24
#define MAX_PHYSMEM_BITS 32
......
arch/arm/mach-cns3xxx/Makefile
View file @ be82ae02
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
arch/arm/mach-cns3xxx/cns3420vb.c
View file @ be82ae02
......@@ -32,6 +32,7 @@
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include "core.h"
#include "devices.h"
/*
* NOR Flash
......@@ -117,6 +118,9 @@ static void __init cns3420_init(void)
{
platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
cns3xxx_ahci_init();
cns3xxx_sdhci_init();
pm_power_off = cns3xxx_power_off;
}
......
arch/arm/mach-cns3xxx/devices.c 0 → 100644
View file @ be82ae02
/*
* CNS3xxx common devices
*
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file 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/io.h>
#include <linux/init.h>
#include <linux/compiler.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include "core.h"
#include "devices.h"
/*
* AHCI
*/
static struct resource cns3xxx_ahci_resource[] = {
[0] = {
.start = CNS3XXX_SATA2_BASE,
.end = CNS3XXX_SATA2_BASE + CNS3XXX_SATA2_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_SATA,
.end = IRQ_CNS3XXX_SATA,
.flags = IORESOURCE_IRQ,
},
};
static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
static struct platform_device cns3xxx_ahci_pdev = {
.name = "ahci",
.id = 0,
.resource = cns3xxx_ahci_resource,
.num_resources = ARRAY_SIZE(cns3xxx_ahci_resource),
.dev = {
.dma_mask = &cns3xxx_ahci_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init cns3xxx_ahci_init(void)
{
u32 tmp;
tmp = __raw_readl(MISC_SATA_POWER_MODE);
tmp |= 0x1 << 16; /* Disable SATA PHY 0 from SLUMBER Mode */
tmp |= 0x1 << 17; /* Disable SATA PHY 1 from SLUMBER Mode */
__raw_writel(tmp, MISC_SATA_POWER_MODE);
/* Enable SATA PHY */
cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0);
cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1);
/* Enable SATA Clock */
cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_SATA);
/* De-Asscer SATA Reset */
cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));
platform_device_register(&cns3xxx_ahci_pdev);
}
/*
* SDHCI
*/
static struct resource cns3xxx_sdhci_resources[] = {
[0] = {
.start = CNS3XXX_SDIO_BASE,
.end = CNS3XXX_SDIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_SDIO,
.end = IRQ_CNS3XXX_SDIO,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device cns3xxx_sdhci_pdev = {
.name = "sdhci-cns3xxx",
.id = 0,
.num_resources = ARRAY_SIZE(cns3xxx_sdhci_resources),
.resource = cns3xxx_sdhci_resources,
};
void __init cns3xxx_sdhci_init(void)
{
u32 __iomem *gpioa = __io(CNS3XXX_MISC_BASE_VIRT + 0x0014);
u32 gpioa_pins = __raw_readl(gpioa);
/* MMC/SD pins share with GPIOA */
gpioa_pins |= 0x1fff0004;
__raw_writel(gpioa_pins, gpioa);
cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));
cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO));
platform_device_register(&cns3xxx_sdhci_pdev);
}
arch/arm/mach-cns3xxx/devices.h 0 → 100644
View file @ be82ae02
/*
* CNS3xxx common devices
*
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file 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 __CNS3XXX_DEVICES_H_
#define __CNS3XXX_DEVICES_H_
void __init cns3xxx_ahci_init(void);
void __init cns3xxx_sdhci_init(void);
#endif /* __CNS3XXX_DEVICES_H_ */
arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
View file @ be82ae02
......@@ -247,37 +247,36 @@
* Misc block
*/
#define MISC_MEM_MAP(offs) (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + (offs))
#define MISC_MEM_MAP_VALUE(offset) (*((volatile unsigned int *)(CNS3XXX_MISC_BASE_VIRT + (offset))))
#define MISC_MEMORY_REMAP_REG MISC_MEM_MAP_VALUE(0x00)
#define MISC_CHIP_CONFIG_REG MISC_MEM_MAP_VALUE(0x04)
#define MISC_DEBUG_PROBE_DATA_REG MISC_MEM_MAP_VALUE(0x08)
#define MISC_DEBUG_PROBE_SELECTION_REG MISC_MEM_MAP_VALUE(0x0C)
#define MISC_IO_PIN_FUNC_SELECTION_REG MISC_MEM_MAP_VALUE(0x10)
#define MISC_GPIOA_PIN_ENABLE_REG MISC_MEM_MAP_VALUE(0x14)
#define MISC_GPIOB_PIN_ENABLE_REG MISC_MEM_MAP_VALUE(0x18)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_A MISC_MEM_MAP_VALUE(0x1C)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B MISC_MEM_MAP_VALUE(0x20)
#define MISC_GPIOA_15_0_PULL_CTRL_REG MISC_MEM_MAP_VALUE(0x24)
#define MISC_GPIOA_16_31_PULL_CTRL_REG MISC_MEM_MAP_VALUE(0x28)
#define MISC_GPIOB_15_0_PULL_CTRL_REG MISC_MEM_MAP_VALUE(0x2C)
#define MISC_GPIOB_16_31_PULL_CTRL_REG MISC_MEM_MAP_VALUE(0x30)
#define MISC_IO_PULL_CTRL_REG MISC_MEM_MAP_VALUE(0x34)
#define MISC_E_FUSE_31_0_REG MISC_MEM_MAP_VALUE(0x40)
#define MISC_E_FUSE_63_32_REG MISC_MEM_MAP_VALUE(0x44)
#define MISC_E_FUSE_95_64_REG MISC_MEM_MAP_VALUE(0x48)
#define MISC_E_FUSE_127_96_REG MISC_MEM_MAP_VALUE(0x4C)
#define MISC_SOFTWARE_TEST_1_REG MISC_MEM_MAP_VALUE(0x50)
#define MISC_SOFTWARE_TEST_2_REG MISC_MEM_MAP_VALUE(0x54)
#define MISC_SATA_POWER_MODE MISC_MEM_MAP_VALUE(0x310)
#define MISC_USB_CFG_REG MISC_MEM_MAP_VALUE(0x800)
#define MISC_USB_STS_REG MISC_MEM_MAP_VALUE(0x804)
#define MISC_USBPHY00_CFG_REG MISC_MEM_MAP_VALUE(0x808)
#define MISC_USBPHY01_CFG_REG MISC_MEM_MAP_VALUE(0x80c)
#define MISC_USBPHY10_CFG_REG MISC_MEM_MAP_VALUE(0x810)
#define MISC_USBPHY11_CFG_REG MISC_MEM_MAP_VALUE(0x814)
#define MISC_MEMORY_REMAP_REG MISC_MEM_MAP(0x00)
#define MISC_CHIP_CONFIG_REG MISC_MEM_MAP(0x04)
#define MISC_DEBUG_PROBE_DATA_REG MISC_MEM_MAP(0x08)
#define MISC_DEBUG_PROBE_SELECTION_REG MISC_MEM_MAP(0x0C)
#define MISC_IO_PIN_FUNC_SELECTION_REG MISC_MEM_MAP(0x10)
#define MISC_GPIOA_PIN_ENABLE_REG MISC_MEM_MAP(0x14)
#define MISC_GPIOB_PIN_ENABLE_REG MISC_MEM_MAP(0x18)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_A MISC_MEM_MAP(0x1C)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B MISC_MEM_MAP(0x20)
#define MISC_GPIOA_15_0_PULL_CTRL_REG MISC_MEM_MAP(0x24)
#define MISC_GPIOA_16_31_PULL_CTRL_REG MISC_MEM_MAP(0x28)
#define MISC_GPIOB_15_0_PULL_CTRL_REG MISC_MEM_MAP(0x2C)
#define MISC_GPIOB_16_31_PULL_CTRL_REG MISC_MEM_MAP(0x30)
#define MISC_IO_PULL_CTRL_REG MISC_MEM_MAP(0x34)
#define MISC_E_FUSE_31_0_REG MISC_MEM_MAP(0x40)
#define MISC_E_FUSE_63_32_REG MISC_MEM_MAP(0x44)
#define MISC_E_FUSE_95_64_REG MISC_MEM_MAP(0x48)
#define MISC_E_FUSE_127_96_REG MISC_MEM_MAP(0x4C)
#define MISC_SOFTWARE_TEST_1_REG MISC_MEM_MAP(0x50)
#define MISC_SOFTWARE_TEST_2_REG MISC_MEM_MAP(0x54)
#define MISC_SATA_POWER_MODE MISC_MEM_MAP(0x310)
#define MISC_USB_CFG_REG MISC_MEM_MAP(0x800)
#define MISC_USB_STS_REG MISC_MEM_MAP(0x804)
#define MISC_USBPHY00_CFG_REG MISC_MEM_MAP(0x808)
#define MISC_USBPHY01_CFG_REG MISC_MEM_MAP(0x80c)
#define MISC_USBPHY10_CFG_REG MISC_MEM_MAP(0x810)
#define MISC_USBPHY11_CFG_REG MISC_MEM_MAP(0x814)
#define MISC_PCIEPHY_CMCTL(x) MISC_MEM_MAP(0x900 + (x) * 0x004)
#define MISC_PCIEPHY_CTL(x) MISC_MEM_MAP(0x940 + (x) * 0x100)
......@@ -300,21 +299,21 @@
/*
* Power management and clock control
*/
#define PMU_REG_VALUE(offset) (*((volatile unsigned int *)(CNS3XXX_PM_BASE_VIRT + (offset))))
#define PM_CLK_GATE_REG PMU_REG_VALUE(0x000)
#define PM_SOFT_RST_REG PMU_REG_VALUE(0x004)
#define PM_HS_CFG_REG PMU_REG_VALUE(0x008)
#define PM_CACTIVE_STA_REG PMU_REG_VALUE(0x00C)
#define PM_PWR_STA_REG PMU_REG_VALUE(0x010)
#define PM_CLK_CTRL_REG PMU_REG_VALUE(0x014)
#define PM_PLL_LCD_I2S_CTRL_REG PMU_REG_VALUE(0x018)
#define PM_PLL_HM_PD_CTRL_REG PMU_REG_VALUE(0x01C)
#define PM_REGULAT_CTRL_REG PMU_REG_VALUE(0x020)
#define PM_WDT_CTRL_REG PMU_REG_VALUE(0x024)
#define PM_WU_CTRL0_REG PMU_REG_VALUE(0x028)
#define PM_WU_CTRL1_REG PMU_REG_VALUE(0x02C)
#define PM_CSR_REG PMU_REG_VALUE(0x030)
#define PMU_MEM_MAP(offs) (void __iomem *)(CNS3XXX_PM_BASE_VIRT + (offs))
#define PM_CLK_GATE_REG PMU_MEM_MAP(0x000)
#define PM_SOFT_RST_REG PMU_MEM_MAP(0x004)
#define PM_HS_CFG_REG PMU_MEM_MAP(0x008)
#define PM_CACTIVE_STA_REG PMU_MEM_MAP(0x00C)
#define PM_PWR_STA_REG PMU_MEM_MAP(0x010)
#define PM_CLK_CTRL_REG PMU_MEM_MAP(0x014)
#define PM_PLL_LCD_I2S_CTRL_REG PMU_MEM_MAP(0x018)
#define PM_PLL_HM_PD_CTRL_REG PMU_MEM_MAP(0x01C)
#define PM_REGULAT_CTRL_REG PMU_MEM_MAP(0x020)
#define PM_WDT_CTRL_REG PMU_MEM_MAP(0x024)
#define PM_WU_CTRL0_REG PMU_MEM_MAP(0x028)
#define PM_WU_CTRL1_REG PMU_MEM_MAP(0x02C)
#define PM_CSR_REG PMU_MEM_MAP(0x030)
/* PM_CLK_GATE_REG */
#define PM_CLK_GATE_REG_OFFSET_SDIO (25)
......
arch/arm/mach-cns3xxx/pcie.c 0 → 100644
View file @ be82ae02
This diff is collapsed.
arch/arm/mach-cns3xxx/pm.c
View file @ be82ae02
......@@ -6,18 +6,25 @@
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/delay.h>
#include <mach/system.h>
#include <mach/cns3xxx.h>
void cns3xxx_pwr_clk_en(unsigned int block)
{
PM_CLK_GATE_REG |= (block & PM_CLK_GATE_REG_MASK);
u32 reg = __raw_readl(PM_CLK_GATE_REG);
reg |= (block & PM_CLK_GATE_REG_MASK);
__raw_writel(reg, PM_CLK_GATE_REG);
}
void cns3xxx_pwr_power_up(unsigned int block)
{
PM_PLL_HM_PD_CTRL_REG &= ~(block & CNS3XXX_PWR_PLL_ALL);
u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
reg &= ~(block & CNS3XXX_PWR_PLL_ALL);
__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
/* Wait for 300us for the PLL output clock locked. */
udelay(300);
......@@ -25,22 +32,29 @@ void cns3xxx_pwr_power_up(unsigned int block)
void cns3xxx_pwr_power_down(unsigned int block)
{
u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
/* write '1' to power down */
PM_PLL_HM_PD_CTRL_REG |= (block & CNS3XXX_PWR_PLL_ALL);
reg |= (block & CNS3XXX_PWR_PLL_ALL);
__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
};
static void cns3xxx_pwr_soft_rst_force(unsigned int block)
{
u32 reg = __raw_readl(PM_SOFT_RST_REG);
/*
* bit 0, 28, 29 => program low to reset,
* the other else program low and then high
*/
if (block & 0x30000001) {
PM_SOFT_RST_REG &= ~(block & PM_SOFT_RST_REG_MASK);
reg &= ~(block & PM_SOFT_RST_REG_MASK);
} else {
PM_SOFT_RST_REG &= ~(block & PM_SOFT_RST_REG_MASK);
PM_SOFT_RST_REG |= (block & PM_SOFT_RST_REG_MASK);
reg &= ~(block & PM_SOFT_RST_REG_MASK);
reg |= (block & PM_SOFT_RST_REG_MASK);
}
__raw_writel(reg, PM_SOFT_RST_REG);
}
void cns3xxx_pwr_soft_rst(unsigned int block)
......@@ -73,12 +87,13 @@ void arch_reset(char mode, const char *cmd)
*/
int cns3xxx_cpu_clock(void)
{
u32 reg = __raw_readl(PM_CLK_CTRL_REG);
int cpu;
int cpu_sel;
int div_sel;
cpu_sel = (PM_CLK_CTRL_REG >> PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL) & 0xf;
div_sel = (PM_CLK_CTRL_REG >> PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV) & 0x3;
cpu_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL) & 0xf;
div_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV) & 0x3;
cpu = (300 + ((cpu_sel / 3) * 100) + ((cpu_sel % 3) * 33)) >> div_sel;
......
arch/arm/mach-davinci/include/mach/memory.h
View file @ be82ae02
......@@ -48,19 +48,16 @@
* below 128M
*/
static inline void
__arch_adjust_zones(int node, unsigned long *size, unsigned long *holes)
__arch_adjust_zones(unsigned long *size, unsigned long *holes)
{
unsigned int sz = (128<<20) >> PAGE_SHIFT;
if (node != 0)
sz = 0;
size[1] = size[0] - sz;
size[0] = sz;
}
#define arch_adjust_zones(node, zone_size, holes) \
if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(node, zone_size, holes)
#define arch_adjust_zones(zone_size, holes) \
if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(zone_size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + (128<<20) - 1)
#define MAX_DMA_ADDRESS (PAGE_OFFSET + (128<<20))
......
arch/arm/mach-dove/common.c
View file @ be82ae02
......@@ -752,6 +752,67 @@ void __init dove_xor1_init(void)
platform_device_register(&dove_xor11_channel);
}
/*****************************************************************************
* SDIO
****************************************************************************/
static u64 sdio_dmamask = DMA_BIT_MASK(32);
static struct resource dove_sdio0_resources[] = {
{
.start = DOVE_SDIO0_PHYS_BASE,
.end = DOVE_SDIO0_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO0,
.end = IRQ_DOVE_SDIO0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio0 = {
.name = "sdhci-mv",
.id = 0,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio0_resources,
.num_resources = ARRAY_SIZE(dove_sdio0_resources),
};
void __init dove_sdio0_init(void)
{
platform_device_register(&dove_sdio0);
}
static struct resource dove_sdio1_resources[] = {
{
.start = DOVE_SDIO1_PHYS_BASE,
.end = DOVE_SDIO1_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO1,
.end = IRQ_DOVE_SDIO1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio1 = {
.name = "sdhci-mv",
.id = 1,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio1_resources,
.num_resources = ARRAY_SIZE(dove_sdio1_resources),
};
void __init dove_sdio1_init(void)
{
platform_device_register(&dove_sdio1);
}
void __init dove_init(void)
{
int tclk;
......
arch/arm/mach-dove/common.h
View file @ be82ae02
......@@ -36,5 +36,7 @@ void dove_uart3_init(void);
void dove_spi0_init(void);
void dove_spi1_init(void);
void dove_i2c_init(void);
void dove_sdio0_init(void);
void dove_sdio1_init(void);
#endif
arch/arm/mach-dove/dove-db-setup.c
View file @ be82ae02
......@@ -82,6 +82,8 @@ static void __init dove_db_init(void)
dove_ehci0_init();
dove_ehci1_init();
dove_sata_init(&dove_db_sata_data);
dove_sdio0_init();
dove_sdio1_init();
dove_spi0_init();
dove_spi1_init();
dove_uart0_init();
......
arch/arm/mach-ep93xx/adssphere.c
View file @ be82ae02
......@@ -13,7 +13,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <mach/hardware.h>
......@@ -21,26 +20,6 @@
#include <asm/mach/arch.h>
static struct physmap_flash_data adssphere_flash_data = {
.width = 4,
};
static struct resource adssphere_flash_resource = {
.start = EP93XX_CS6_PHYS_BASE,
.end = EP93XX_CS6_PHYS_BASE + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device adssphere_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &adssphere_flash_data,
},
.num_resources = 1,
.resource = &adssphere_flash_resource,
};
static struct ep93xx_eth_data __initdata adssphere_eth_data = {
.phy_id = 1,
};
......@@ -48,8 +27,7 @@ static struct ep93xx_eth_data __initdata adssphere_eth_data = {
static void __init adssphere_init_machine(void)
{
ep93xx_init_devices();
platform_device_register(&adssphere_flash);
ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
ep93xx_register_eth(&adssphere_eth_data, 1);
}
......
arch/arm/mach-ep93xx/clock.c
View file @ be82ae02
......@@ -185,7 +185,7 @@ static struct clk_lookup clocks[] = {
INIT_CK(NULL, "pll1", &clk_pll1),
INIT_CK(NULL, "fclk", &clk_f),
INIT_CK(NULL, "hclk", &clk_h),
INIT_CK(NULL, "pclk", &clk_p),
INIT_CK(NULL, "apb_pclk", &clk_p),
INIT_CK(NULL, "pll2", &clk_pll2),
INIT_CK("ep93xx-ohci", NULL, &clk_usb_host),
INIT_CK("ep93xx-keypad", NULL, &clk_keypad),
......
arch/arm/mach-ep93xx/core.c
View file @ be82ae02
......@@ -29,6 +29,7 @@
#include <linux/termios.h>
#include <linux/amba/bus.h>
#include <linux/amba/serial.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/spi/spi.h>
......@@ -215,8 +216,8 @@ void ep93xx_devcfg_set_clear(unsigned int set_bits, unsigned int clear_bits)
spin_lock_irqsave(&syscon_swlock, flags);
val = __raw_readl(EP93XX_SYSCON_DEVCFG);
val |= set_bits;
val &= ~clear_bits;
val |= set_bits;
__raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
__raw_writel(val, EP93XX_SYSCON_DEVCFG);
......@@ -347,6 +348,43 @@ static struct platform_device ep93xx_ohci_device = {
};
/*************************************************************************
* EP93xx physmap'ed flash
*************************************************************************/
static struct physmap_flash_data ep93xx_flash_data;
static struct resource ep93xx_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device ep93xx_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &ep93xx_flash_data,
},
.num_resources = 1,
.resource = &ep93xx_flash_resource,
};
/**
* ep93xx_register_flash() - Register the external flash device.
* @width: bank width in octets
* @start: resource start address
* @size: resource size
*/
void __init ep93xx_register_flash(unsigned int width,
resource_size_t start, resource_size_t size)
{
ep93xx_flash_data.width = width;
ep93xx_flash_resource.start = start;
ep93xx_flash_resource.end = start + size - 1;
platform_device_register(&ep93xx_flash);
}
/*************************************************************************
* EP93xx ethernet peripheral handling
*************************************************************************/
......@@ -620,6 +658,11 @@ static struct platform_device ep93xx_fb_device = {
.resource = ep93xx_fb_resource,
};
static struct platform_device ep93xx_bl_device = {
.name = "ep93xx-bl",
.id = -1,
};
/**
* ep93xx_register_fb - Register the framebuffer platform device.
* @data: platform specific framebuffer configuration (__initdata)
......@@ -628,6 +671,7 @@ void __init ep93xx_register_fb(struct ep93xxfb_mach_info *data)
{
ep93xxfb_data = *data;
platform_device_register(&ep93xx_fb_device);
platform_device_register(&ep93xx_bl_device);
}
......
arch/arm/mach-ep93xx/edb93xx.c
View file @ be82ae02
......@@ -27,7 +27,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
......@@ -38,39 +37,13 @@
#include <asm/mach/arch.h>
static struct physmap_flash_data edb93xx_flash_data;
static struct resource edb93xx_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device edb93xx_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &edb93xx_flash_data,
},
.num_resources = 1,
.resource = &edb93xx_flash_resource,
};
static void __init __edb93xx_register_flash(unsigned int width,
resource_size_t start, resource_size_t size)
{
edb93xx_flash_data.width = width;
edb93xx_flash_resource.start = start;
edb93xx_flash_resource.end = start + size - 1;
platform_device_register(&edb93xx_flash);
}
static void __init edb93xx_register_flash(void)
{
if (machine_is_edb9307() || machine_is_edb9312() ||
machine_is_edb9315()) {
__edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
} else {
__edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
}
}
......
arch/arm/mach-ep93xx/gesbc9312.c
View file @ be82ae02
......@@ -13,7 +13,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <mach/hardware.h>
......@@ -21,26 +20,6 @@
#include <asm/mach/arch.h>
static struct physmap_flash_data gesbc9312_flash_data = {
.width = 4,
};
static struct resource gesbc9312_flash_resource = {
.start = EP93XX_CS6_PHYS_BASE,
.end = EP93XX_CS6_PHYS_BASE + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device gesbc9312_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &gesbc9312_flash_data,
},
.num_resources = 1,
.resource = &gesbc9312_flash_resource,
};
static struct ep93xx_eth_data __initdata gesbc9312_eth_data = {
.phy_id = 1,
};
......@@ -48,8 +27,7 @@ static struct ep93xx_eth_data __initdata gesbc9312_eth_data = {
static void __init gesbc9312_init_machine(void)
{
ep93xx_init_devices();
platform_device_register(&gesbc9312_flash);
ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_8M);
ep93xx_register_eth(&gesbc9312_eth_data, 0);
}
......
arch/arm/mach-ep93xx/include/mach/platform.h
View file @ be82ae02
......@@ -43,6 +43,9 @@ static inline void ep93xx_devcfg_clear_bits(unsigned int bits)
unsigned int ep93xx_chip_revision(void);
void ep93xx_register_flash(unsigned int width,
resource_size_t start, resource_size_t size);
void ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr);
void ep93xx_register_i2c(struct i2c_gpio_platform_data *data,
struct i2c_board_info *devices, int num);
......
arch/arm/mach-ep93xx/micro9.c
View file @ be82ae02
......@@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
#include <mach/hardware.h>
......@@ -31,31 +30,6 @@
* Micro9-Lite uses a separate MTD map driver for flash support
* Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
*************************************************************************/
static struct physmap_flash_data micro9_flash_data;
static struct resource micro9_flash_resource = {
.start = EP93XX_CS1_PHYS_BASE,
.end = EP93XX_CS1_PHYS_BASE + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device micro9_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &micro9_flash_data,
},
.num_resources = 1,
.resource = &micro9_flash_resource,
};
static void __init __micro9_register_flash(unsigned int width)
{
micro9_flash_data.width = width;
platform_device_register(&micro9_flash);
}
static unsigned int __init micro9_detect_bootwidth(void)
{
u32 v;
......@@ -70,10 +44,17 @@ static unsigned int __init micro9_detect_bootwidth(void)
static void __init micro9_register_flash(void)
{
unsigned int width;
if (machine_is_micro9())
__micro9_register_flash(4);
width = 4;
else if (machine_is_micro9m() || machine_is_micro9s())
__micro9_register_flash(micro9_detect_bootwidth());
width = micro9_detect_bootwidth();
else
width = 0;
if (width)
ep93xx_register_flash(width, EP93XX_CS1_PHYS_BASE, SZ_64M);
}
......
arch/arm/mach-ep93xx/simone.c
View file @ be82ae02
......@@ -18,7 +18,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
......@@ -29,26 +28,6 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
static struct physmap_flash_data simone_flash_data = {
.width = 2,
};
static struct resource simone_flash_resource = {
.start = EP93XX_CS6_PHYS_BASE,
.end = EP93XX_CS6_PHYS_BASE + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device simone_flash = {
.name = "physmap-flash",
.id = 0,
.num_resources = 1,
.resource = &simone_flash_resource,
.dev = {
.platform_data = &simone_flash_data,
},
};
static struct ep93xx_eth_data __initdata simone_eth_data = {
.phy_id = 1,
};
......@@ -77,8 +56,7 @@ static struct i2c_board_info __initdata simone_i2c_board_info[] = {
static void __init simone_init_machine(void)
{
ep93xx_init_devices();
platform_device_register(&simone_flash);
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_8M);
ep93xx_register_eth(&simone_eth_data, 1);
ep93xx_register_fb(&simone_fb_info);
ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info,
......
arch/arm/mach-ep93xx/ts72xx.c
View file @ be82ae02
......@@ -17,7 +17,6 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/m48t86.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
......@@ -173,31 +172,13 @@ static struct platform_device ts72xx_nand_flash = {
};
/*************************************************************************
* NOR flash (TS-7200 only)
*************************************************************************/
static struct physmap_flash_data ts72xx_nor_data = {
.width = 2,
};
static struct resource ts72xx_nor_resource = {
.start = EP93XX_CS6_PHYS_BASE,
.end = EP93XX_CS6_PHYS_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device ts72xx_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev.platform_data = &ts72xx_nor_data,
.resource = &ts72xx_nor_resource,
.num_resources = 1,
};
static void __init ts72xx_register_flash(void)
{
/*
* TS7200 has NOR flash all other TS72xx board have NAND flash.
*/
if (board_is_ts7200()) {
platform_device_register(&ts72xx_nor_flash);
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
} else {
resource_size_t start;
......
arch/arm/mach-mx2/Kconfig → arch/arm/mach-imx/Kconfig
View file @ be82ae02
config IMX_HAVE_DMA_V1
bool
if ARCH_MX1
config SOC_IMX1
select CPU_ARM920T
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
bool
comment "MX1 platforms:"
config MACH_MXLADS
bool
config ARCH_MX1ADS
bool "MX1ADS platform"
select MACH_MXLADS
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
help
Say Y here if you are using Motorola MX1ADS/MXLADS boards
config MACH_SCB9328
bool "Synertronixx scb9328"
select IMX_HAVE_PLATFORM_IMX_UART
help
Say Y here if you are using a Synertronixx scb9328 board
endif
if ARCH_MX2
config SOC_IMX21
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
bool
config SOC_IMX27
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
bool
choice
prompt "CPUs:"
default MACH_MX21
config MACH_MX21
bool "i.MX21 support"
select ARCH_MXC_AUDMUX_V1
select SOC_IMX21
help
This enables support for Freescale's MX2 based i.MX21 processor.
config MACH_MX27
bool "i.MX27 support"
select ARCH_MXC_AUDMUX_V1
select SOC_IMX27
help
This enables support for Freescale's MX2 based i.MX27 processor.
endchoice
comment "MX2 platforms:"
endif
if MACH_MX21
comment "MX21 platforms:"
config MACH_MX21ADS
bool "MX21ADS platform"
depends on MACH_MX21
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for MX21ADS platform. This includes specific
configurations for the board and its peripherals.
endif
if MACH_MX27
comment "MX27 platforms:"
config MACH_MX27ADS
bool "MX27ADS platform"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for MX27ADS platform. This includes specific
configurations for the board and its peripherals.
config MACH_PCM038
bool "Phytec phyCORE-i.MX27 CPU module (pcm038)"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_ULPI if USB_ULPI
help
Include support for phyCORE-i.MX27 (aka pcm038) platform. This
......@@ -58,7 +119,9 @@ endchoice
config MACH_CPUIMX27
bool "Eukrea CPUIMX27 module"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for Eukrea CPUIMX27 platform. This includes
specific configurations for the module and its peripherals.
......@@ -67,9 +130,16 @@ config MACH_EUKREA_CPUIMX27_USESDHC2
bool "CPUIMX27 integrates SDHC2 module"
depends on MACH_CPUIMX27
help
This adds support for the internal SDHC2 used on CPUIMX27 used
This adds support for the internal SDHC2 used on CPUIMX27
for wifi or eMMC.
config MACH_EUKREA_CPUIMX27_USEUART4
bool "CPUIMX27 integrates UART4 module"
depends on MACH_CPUIMX27
help
This adds support for the internal UART4 used on CPUIMX27
for bluetooth.
choice
prompt "Baseboard"
depends on MACH_CPUIMX27
......@@ -78,6 +148,8 @@ choice
config MACH_EUKREA_MBIMX27_BASEBOARD
prompt "Eukrea MBIMX27 development board"
bool
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SPI_IMX
help
This adds board specific devices that can be found on Eukrea's
MBIMX27 evaluation board.
......@@ -86,21 +158,24 @@ endchoice
config MACH_MX27_3DS
bool "MX27PDK platform"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_UART
help
Include support for MX27PDK platform. This includes specific
configurations for the board and its peripherals.
config MACH_IMX27LITE
bool "LogicPD MX27 LITEKIT platform"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_UART
help
Include support for MX27 LITEKIT platform. This includes specific
configurations for the board and its peripherals.
config MACH_PCA100
bool "Phytec phyCARD-s (pca100)"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_ULPI if USB_ULPI
help
Include support for phyCARD-s (aka pca100) platform. This
......@@ -108,7 +183,9 @@ config MACH_PCA100
config MACH_MXT_TD60
bool "Maxtrack i-MXT TD60"
depends on MACH_MX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
help
Include support for i-MXT (aka td60) platform. This
includes specific configurations for the module and its peripherals.
......
arch/arm/mach-mx2/Makefile → arch/arm/mach-imx/Makefile
View file @ be82ae02
......@@ -4,14 +4,24 @@
# Object file lists.
obj-y := devices.o serial.o
obj-y := devices.o
obj-$(CONFIG_MACH_MX21) += clock_imx21.o mm-imx21.o
obj-$(CONFIG_IMX_HAVE_DMA_V1) += dma-v1.o
obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
obj-$(CONFIG_MACH_MX27) += clock_imx27.o mm-imx27.o
obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o
obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o
obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o
obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o
# Support for CMOS sensor interface
obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o
obj-$(CONFIG_ARCH_MX1ADS) += mach-mx1ads.o
obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o
obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
obj-$(CONFIG_MACH_MX27ADS) += mach-mx27ads.o
obj-$(CONFIG_MACH_PCM038) += mach-pcm038.o
obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
......
arch/arm/mach-mx2/Makefile.boot → arch/arm/mach-imx/Makefile.boot
View file @ be82ae02
zreladdr-$(CONFIG_ARCH_MX1) := 0x08008000
params_phys-$(CONFIG_ARCH_MX1) := 0x08000100
initrd_phys-$(CONFIG_ARCH_MX1) := 0x08800000
zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000
params_phys-$(CONFIG_MACH_MX21) := 0xC0000100
initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000
......
arch/arm/mach-mx1/clock.c → arch/arm/mach-imx/clock-imx1.c
View file @ be82ae02
......@@ -2,18 +2,17 @@
* Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* 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.
* 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
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/kernel.h>
......@@ -29,7 +28,41 @@
#include <mach/clock.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include "crm_regs.h"
#define IO_ADDR_CCM(off) (MX1_IO_ADDRESS(MX1_CCM_BASE_ADDR + (off)))
/* CCM register addresses */
#define CCM_CSCR IO_ADDR_CCM(0x0)
#define CCM_MPCTL0 IO_ADDR_CCM(0x4)
#define CCM_SPCTL0 IO_ADDR_CCM(0xc)
#define CCM_PCDR IO_ADDR_CCM(0x20)
#define CCM_CSCR_CLKO_OFFSET 29
#define CCM_CSCR_CLKO_MASK (0x7 << 29)
#define CCM_CSCR_USB_OFFSET 26
#define CCM_CSCR_USB_MASK (0x7 << 26)
#define CCM_CSCR_OSC_EN_SHIFT 17
#define CCM_CSCR_SYSTEM_SEL (1 << 16)
#define CCM_CSCR_BCLK_OFFSET 10
#define CCM_CSCR_BCLK_MASK (0xf << 10)
#define CCM_CSCR_PRESC (1 << 15)
#define CCM_PCDR_PCLK3_OFFSET 16
#define CCM_PCDR_PCLK3_MASK (0x7f << 16)
#define CCM_PCDR_PCLK2_OFFSET 4
#define CCM_PCDR_PCLK2_MASK (0xf << 4)
#define CCM_PCDR_PCLK1_OFFSET 0
#define CCM_PCDR_PCLK1_MASK 0xf
#define IO_ADDR_SCM(off) (MX1_IO_ADDRESS(MX1_SCM_BASE_ADDR + (off)))
/* SCM register addresses */
#define SCM_GCCR IO_ADDR_SCM(0xc)
#define SCM_GCCR_DMA_CLK_EN_OFFSET 3
#define SCM_GCCR_CSI_CLK_EN_OFFSET 2
#define SCM_GCCR_MMA_CLK_EN_OFFSET 1
#define SCM_GCCR_USBD_CLK_EN_OFFSET 0
static int _clk_enable(struct clk *clk)
{
......@@ -596,7 +629,8 @@ int __init mx1_clocks_init(unsigned long fref)
clk_enable(&hclk);
clk_enable(&fclk);
mxc_timer_init(&gpt_clk, IO_ADDRESS(TIM1_BASE_ADDR), TIM1_INT);
mxc_timer_init(&gpt_clk, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR),
MX1_TIM1_INT);
return 0;
}
arch/arm/mach-mx2/clock_imx27.c → arch/arm/mach-imx/clock-imx27.c
View file @ be82ae02
......@@ -644,7 +644,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("spi_imx.1", NULL, cspi2_clk)
_REGISTER_CLOCK("spi_imx.2", NULL, cspi3_clk)
_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
_REGISTER_CLOCK(NULL, "csi", csi_clk)
_REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk1)
_REGISTER_CLOCK("mxc-ehci.0", "usb", usb_clk)
......
arch/arm/mach-imx/devices-imx1.h 0 → 100644
View file @ be82ae02
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arch/arm/mach-imx/devices-imx27.h 0 → 100644
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arch/arm/mach-imx/include/mach/dma-mx1-mx2.h 0 → 100644
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arch/arm/mach-imx/pm-imx27.c 0 → 100644
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