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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 22:46:28 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 22:46:28 -0700
commit6f3cafce0ed24372084b5648c9e8a6aacbaf9900 (patch)
treea20de49dbad477a608d1df3ce19f3eeb68417585 /arch
parent0c97f524fc16004602f97ba19c36acdcc0fb9688 (diff)
parent02916526133aebc0b3b6c486d1b0af95221033bd (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (21 commits) [ARM] 3629/1: S3C24XX: fix missing bracket in regs-dsc.h [ARM] 3537/1: Rework DMA-bounce locking for finer granularity [ARM] 3601/1: i.MX/MX1 DMA error handling for signaled channels only [ARM] 3597/1: ixp4xx/nslu2: Board support for new LED subsystem [ARM] 3595/1: ixp4xx/nas100d: Board support for new LED subsystem [ARM] 3626/1: ARM EABI: fix syscall restarting [ARM] 3628/1: S3C24XX: add get_rate call to struct clk [ARM] 3627/1: S3C24XX: split s3c2410 clocks from core clocks [ARM] 3613/1: S3C2410: Add sysdev and sysclass [ARM] 3624/1: Report true modem control line states [ARM] 3620/2: ixp23xx: add uengine loader support [ARM] 3618/1: add defconfig for logicpd pxa270 card engine [ARM] 3617/1: ep93xx: fix slightly incorrect timer tick rate [ARM] 3616/1: fix timer handler wrap logic for a number of platforms [ARM] 3615/1: ixp23xx: use platform devices for physmap flash [ARM] 3614/1: ep93xx: use platform devices for physmap flash [ARM] 3621/1: fix compilation breakage for pnx4008 [ARM] 3623/1: pnx4008: move GPIO-related defines to gpio.h [ARM] 3622/1: pnx4008: remove clk_use/clk_unuse [ARM] Enable VFP to be built when non-VFP capable CPUs are selected ...
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/common/dmabounce.c67
-rw-r--r--arch/arm/common/uengine.c58
-rw-r--r--arch/arm/configs/lpd270_defconfig963
-rw-r--r--arch/arm/kernel/entry-armv.S24
-rw-r--r--arch/arm/kernel/iwmmxt.S2
-rw-r--r--arch/arm/kernel/process.c24
-rw-r--r--arch/arm/kernel/signal.c21
-rw-r--r--arch/arm/mach-ep93xx/core.c5
-rw-r--r--arch/arm/mach-ep93xx/gesbc9312.c24
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c23
-rw-r--r--arch/arm/mach-imx/dma.c65
-rw-r--r--arch/arm/mach-ixp2000/core.c3
-rw-r--r--arch/arm/mach-ixp23xx/core.c5
-rw-r--r--arch/arm/mach-ixp23xx/espresso.c22
-rw-r--r--arch/arm/mach-ixp23xx/ixdp2351.c22
-rw-r--r--arch/arm/mach-ixp23xx/roadrunner.c22
-rw-r--r--arch/arm/mach-ixp4xx/common.c2
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c41
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c48
-rw-r--r--arch/arm/mach-pnx4008/clock.c129
-rw-r--r--arch/arm/mach-pnx4008/serial.c2
-rw-r--r--arch/arm/mach-s3c2410/Kconfig8
-rw-r--r--arch/arm/mach-s3c2410/Makefile4
-rw-r--r--arch/arm/mach-s3c2410/clock.c228
-rw-r--r--arch/arm/mach-s3c2410/clock.h11
-rw-r--r--arch/arm/mach-s3c2410/cpu.h1
-rw-r--r--arch/arm/mach-s3c2410/s3c2410-clock.c263
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c25
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.h2
-rw-r--r--arch/arm/mach-s3c2410/s3c2440-clock.c4
-rw-r--r--arch/arm/mach-s3c2410/s3c2442-clock.c2
-rw-r--r--arch/arm/mach-s3c2410/s3c244x.c2
-rw-r--r--arch/arm/nwfpe/fpmodule.c25
-rw-r--r--arch/arm/plat-omap/timer32k.c3
-rw-r--r--arch/arm/vfp/Makefile5
-rw-r--r--arch/arm/vfp/vfphw.S4
-rw-r--r--arch/arm/vfp/vfpmodule.c71
38 files changed, 1771 insertions, 460 deletions
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 847e3e6356c..e1289a256ce 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
obj-$(CONFIG_SHARPSL_PM) += sharpsl_pm.o
obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_ARCH_IXP2000) += uengine.o
+obj-$(CONFIG_ARCH_IXP23XX) += uengine.o
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 7971d0dc689..5b7c26395b4 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -77,6 +77,8 @@ struct dmabounce_device_info {
#endif
struct dmabounce_pool small;
struct dmabounce_pool large;
+
+ rwlock_t lock;
};
static LIST_HEAD(dmabounce_devs);
@@ -116,6 +118,7 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
struct safe_buffer *buf;
struct dmabounce_pool *pool;
struct device *dev = device_info->dev;
+ unsigned long flags;
dev_dbg(dev, "%s(ptr=%p, size=%d, dir=%d)\n",
__func__, ptr, size, dir);
@@ -163,8 +166,12 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
print_alloc_stats(device_info);
#endif
+ write_lock_irqsave(&device_info->lock, flags);
+
list_add(&buf->node, &device_info->safe_buffers);
+ write_unlock_irqrestore(&device_info->lock, flags);
+
return buf;
}
@@ -172,22 +179,32 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
static inline struct safe_buffer *
find_safe_buffer(struct dmabounce_device_info *device_info, dma_addr_t safe_dma_addr)
{
- struct safe_buffer *b;
+ struct safe_buffer *b = NULL;
+ unsigned long flags;
+
+ read_lock_irqsave(&device_info->lock, flags);
list_for_each_entry(b, &device_info->safe_buffers, node)
if (b->safe_dma_addr == safe_dma_addr)
- return b;
+ break;
- return NULL;
+ read_unlock_irqrestore(&device_info->lock, flags);
+ return b;
}
static inline void
free_safe_buffer(struct dmabounce_device_info *device_info, struct safe_buffer *buf)
{
+ unsigned long flags;
+
dev_dbg(device_info->dev, "%s(buf=%p)\n", __func__, buf);
+ write_lock_irqsave(&device_info->lock, flags);
+
list_del(&buf->node);
+ write_unlock_irqrestore(&device_info->lock, flags);
+
if (buf->pool)
dma_pool_free(buf->pool->pool, buf->safe, buf->safe_dma_addr);
else
@@ -396,7 +413,6 @@ dma_addr_t
dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction dir)
{
- unsigned long flags;
dma_addr_t dma_addr;
dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
@@ -404,12 +420,8 @@ dma_map_single(struct device *dev, void *ptr, size_t size,
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
dma_addr = map_single(dev, ptr, size, dir);
- local_irq_restore(flags);
-
return dma_addr;
}
@@ -424,25 +436,18 @@ void
dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction dir)
{
- unsigned long flags;
-
dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
__func__, (void *) dma_addr, size, dir);
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
unmap_single(dev, dma_addr, size, dir);
-
- local_irq_restore(flags);
}
int
dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir)
{
- unsigned long flags;
int i;
dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
@@ -450,8 +455,6 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
for (i = 0; i < nents; i++, sg++) {
struct page *page = sg->page;
unsigned int offset = sg->offset;
@@ -462,8 +465,6 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
map_single(dev, ptr, length, dir);
}
- local_irq_restore(flags);
-
return nents;
}
@@ -471,7 +472,6 @@ void
dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir)
{
- unsigned long flags;
int i;
dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
@@ -479,55 +479,38 @@ dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
for (i = 0; i < nents; i++, sg++) {
dma_addr_t dma_addr = sg->dma_address;
unsigned int length = sg->length;
unmap_single(dev, dma_addr, length, dir);
}
-
- local_irq_restore(flags);
}
void
dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction dir)
{
- unsigned long flags;
-
dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
__func__, (void *) dma_addr, size, dir);
- local_irq_save(flags);
-
sync_single(dev, dma_addr, size, dir);
-
- local_irq_restore(flags);
}
void
dma_sync_single_for_device(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction dir)
{
- unsigned long flags;
-
dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
__func__, (void *) dma_addr, size, dir);
- local_irq_save(flags);
-
sync_single(dev, dma_addr, size, dir);
-
- local_irq_restore(flags);
}
void
dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir)
{
- unsigned long flags;
int i;
dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
@@ -535,23 +518,18 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
for (i = 0; i < nents; i++, sg++) {
dma_addr_t dma_addr = sg->dma_address;
unsigned int length = sg->length;
sync_single(dev, dma_addr, length, dir);
}
-
- local_irq_restore(flags);
}
void
dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir)
{
- unsigned long flags;
int i;
dev_dbg(dev, "%s(sg=%p,nents=%d,dir=%x)\n",
@@ -559,16 +537,12 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
BUG_ON(dir == DMA_NONE);
- local_irq_save(flags);
-
for (i = 0; i < nents; i++, sg++) {
dma_addr_t dma_addr = sg->dma_address;
unsigned int length = sg->length;
sync_single(dev, dma_addr, length, dir);
}
-
- local_irq_restore(flags);
}
static int
@@ -622,6 +596,7 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
device_info->dev = dev;
INIT_LIST_HEAD(&device_info->safe_buffers);
+ rwlock_init(&device_info->lock);
#ifdef STATS
device_info->total_allocs = 0;
diff --git a/arch/arm/common/uengine.c b/arch/arm/common/uengine.c
index a1310b71004..dfca596a9a2 100644
--- a/arch/arm/common/uengine.c
+++ b/arch/arm/common/uengine.c
@@ -18,10 +18,26 @@
#include <linux/module.h>
#include <linux/string.h>
#include <asm/hardware.h>
-#include <asm/arch/ixp2000-regs.h>
+#include <asm/arch/hardware.h>
#include <asm/hardware/uengine.h>
#include <asm/io.h>
+#if defined(CONFIG_ARCH_IXP2000)
+#define IXP_UENGINE_CSR_VIRT_BASE IXP2000_UENGINE_CSR_VIRT_BASE
+#define IXP_PRODUCT_ID IXP2000_PRODUCT_ID
+#define IXP_MISC_CONTROL IXP2000_MISC_CONTROL
+#define IXP_RESET1 IXP2000_RESET1
+#else
+#if defined(CONFIG_ARCH_IXP23XX)
+#define IXP_UENGINE_CSR_VIRT_BASE IXP23XX_UENGINE_CSR_VIRT_BASE
+#define IXP_PRODUCT_ID IXP23XX_PRODUCT_ID
+#define IXP_MISC_CONTROL IXP23XX_MISC_CONTROL
+#define IXP_RESET1 IXP23XX_RESET1
+#else
+#error unknown platform
+#endif
+#endif
+
#define USTORE_ADDRESS 0x000
#define USTORE_DATA_LOWER 0x004
#define USTORE_DATA_UPPER 0x008
@@ -43,7 +59,7 @@ u32 ixp2000_uengine_mask;
static void *ixp2000_uengine_csr_area(int uengine)
{
- return ((void *)IXP2000_UENGINE_CSR_VIRT_BASE) + (uengine << 10);
+ return ((void *)IXP_UENGINE_CSR_VIRT_BASE) + (uengine << 10);
}
/*
@@ -91,8 +107,13 @@ EXPORT_SYMBOL(ixp2000_uengine_csr_write);
void ixp2000_uengine_reset(u32 uengine_mask)
{
- ixp2000_reg_wrb(IXP2000_RESET1, uengine_mask & ixp2000_uengine_mask);
- ixp2000_reg_wrb(IXP2000_RESET1, 0);
+ u32 value;
+
+ value = ixp2000_reg_read(IXP_RESET1) & ~ixp2000_uengine_mask;
+
+ uengine_mask &= ixp2000_uengine_mask;
+ ixp2000_reg_wrb(IXP_RESET1, value | uengine_mask);
+ ixp2000_reg_wrb(IXP_RESET1, value);
}
EXPORT_SYMBOL(ixp2000_uengine_reset);
@@ -235,11 +256,12 @@ static int check_ixp_type(struct ixp2000_uengine_code *c)
u32 product_id;
u32 rev;
- product_id = ixp2000_reg_read(IXP2000_PRODUCT_ID);
+ product_id = ixp2000_reg_read(IXP_PRODUCT_ID);
if (((product_id >> 16) & 0x1f) != 0)
return 0;
switch ((product_id >> 8) & 0xff) {
+#ifdef CONFIG_ARCH_IXP2000
case 0: /* IXP2800 */
if (!(c->cpu_model_bitmask & 4))
return 0;
@@ -254,6 +276,14 @@ static int check_ixp_type(struct ixp2000_uengine_code *c)
if (!(c->cpu_model_bitmask & 2))
return 0;
break;
+#endif
+
+#ifdef CONFIG_ARCH_IXP23XX
+ case 4: /* IXP23xx */
+ if (!(c->cpu_model_bitmask & 0x3f0))
+ return 0;
+ break;
+#endif
default:
return 0;
@@ -432,7 +462,8 @@ static int __init ixp2000_uengine_init(void)
/*
* Determine number of microengines present.
*/
- switch ((ixp2000_reg_read(IXP2000_PRODUCT_ID) >> 8) & 0x1fff) {
+ switch ((ixp2000_reg_read(IXP_PRODUCT_ID) >> 8) & 0x1fff) {
+#ifdef CONFIG_ARCH_IXP2000
case 0: /* IXP2800 */
case 1: /* IXP2850 */
ixp2000_uengine_mask = 0x00ff00ff;
@@ -441,10 +472,17 @@ static int __init ixp2000_uengine_init(void)
case 2: /* IXP2400 */
ixp2000_uengine_mask = 0x000f000f;
break;
+#endif
+
+#ifdef CONFIG_ARCH_IXP23XX
+ case 4: /* IXP23xx */
+ ixp2000_uengine_mask = (*IXP23XX_EXP_CFG_FUSE >> 8) & 0xf;
+ break;
+#endif
default:
printk(KERN_INFO "Detected unknown IXP2000 model (%.8x)\n",
- (unsigned int)ixp2000_reg_read(IXP2000_PRODUCT_ID));
+ (unsigned int)ixp2000_reg_read(IXP_PRODUCT_ID));
ixp2000_uengine_mask = 0x00000000;
break;
}
@@ -457,15 +495,15 @@ static int __init ixp2000_uengine_init(void)
/*
* Synchronise timestamp counters across all microengines.
*/
- value = ixp2000_reg_read(IXP2000_MISC_CONTROL);
- ixp2000_reg_wrb(IXP2000_MISC_CONTROL, value & ~0x80);
+ value = ixp2000_reg_read(IXP_MISC_CONTROL);
+ ixp2000_reg_wrb(IXP_MISC_CONTROL, value & ~0x80);
for (uengine = 0; uengine < 32; uengine++) {
if (ixp2000_uengine_mask & (1 << uengine)) {
ixp2000_uengine_csr_write(uengine, TIMESTAMP_LOW, 0);
ixp2000_uengine_csr_write(uengine, TIMESTAMP_HIGH, 0);
}
}
- ixp2000_reg_wrb(IXP2000_MISC_CONTROL, value | 0x80);
+ ixp2000_reg_wrb(IXP_MISC_CONTROL, value | 0x80);
return 0;
}
diff --git a/arch/arm/configs/lpd270_defconfig b/arch/arm/configs/lpd270_defconfig
new file mode 100644
index 00000000000..d08bbe59483
--- /dev/null
+++ b/arch/arm/configs/lpd270_defconfig
@@ -0,0 +1,963 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17-git2
+# Wed Jun 21 22:20:18 2006
+#
+CONFIG_ARM=y
+CONFIG_MMU=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+# CONFIG_EMBEDDED is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SHMEM=y
+CONFIG_SLAB=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+# CONFIG_MODULE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+
+#
+# Block layer
+#
+# CONFIG_BLK_DEV_IO_TRACE is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91RM9200 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP3XX is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_PNX4008 is not set
+CONFIG_ARCH_PXA=y
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_OMAP is not set
+
+#
+# Intel PXA2xx Implementations
+#
+# CONFIG_ARCH_LUBBOCK is not set
+CONFIG_MACH_LOGICPD_PXA270=y
+# CONFIG_MACH_MAINSTONE is not set
+# CONFIG_ARCH_PXA_IDP is not set
+# CONFIG_PXA_SHARPSL is not set
+CONFIG_PXA27x=y
+CONFIG_IWMMXT=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_XSCALE=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_TLB_V4WBI=y
+
+#
+# Processor Features
+#
+# CONFIG_ARM_THUMB is not set
+CONFIG_XSCALE_PMU=y
+
+#
+# Bus support
+#
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_PREEMPT is not set
+# CONFIG_NO_IDLE_HZ is not set
+CONFIG_HZ=100
+# CONFIG_AEABI is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="root=/dev/nfs ip=bootp console=ttyS0,115200 mem=64M"
+# CONFIG_XIP_KERNEL is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+# CONFIG_ARTHUR is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+# CONFIG_APM is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+# CONFIG_PACKET is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+# CONFIG_MTD_CFI_I1 is not set
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_SHARP_SL is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE is not set
+# CONFIG_BLK_DEV_IDECD is not set
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+# CONFIG_IDE_GENERIC is not set
+# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_IDEDMA is not set
+# CONFIG_IDEDMA_AUTO is not set
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# I2O device support
+#
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_SMC91X=y
+# CONFIG_DM9000 is not set
+# CONFIG_SMC911X is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Ethernet (10000 Mbit)
+#
+
+#
+# Token Ring devices
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_PXA=y
+CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_NVRAM is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_MACMODES is not set
+CONFIG_FB_FIRMWARE_EDID=y
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_PXA=y
+# CONFIG_FB_PXA_PARAMETERS is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+
+#
+# Logo configuration
+#
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+CONFIG_SND_AC97_CODEC=y
+CONFIG_SND_AC97_BUS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# ALSA ARM devices
+#
+CONFIG_SND_PXA2XX_PCM=y
+CONFIG_SND_PXA2XX_AC97=y
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# Real Time Clock
+#
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+# CONFIG_VFAT_FS is not set
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_SYSFS=y
+# CONFIG_TMPFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_VM is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_UNWIND_INFO is not set
+CONFIG_FORCED_INLINING=y
+# CONFIG_RCU_TORTURE_TEST is not set
+CONFIG_DEBUG_USER=y
+# CONFIG_DEBUG_WAITQ is not set
+CONFIG_DEBUG_ERRORS=y
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index ab8e600c18c..86c92523a34 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -20,6 +20,7 @@
#include <asm/glue.h>
#include <asm/vfpmacros.h>
#include <asm/arch/entry-macro.S>
+#include <asm/thread_notify.h>
#include "entry-header.S"
@@ -560,10 +561,8 @@ ENTRY(__switch_to)
add ip, r1, #TI_CPU_SAVE
ldr r3, [r2, #TI_TP_VALUE]
stmia ip!, {r4 - sl, fp, sp, lr} @ Store most regs on stack
-#ifndef CONFIG_MMU
- add r2, r2, #TI_CPU_DOMAIN
-#else
- ldr r6, [r2, #TI_CPU_DOMAIN]!
+#ifdef CONFIG_MMU
+ ldr r6, [r2, #TI_CPU_DOMAIN]
#endif
#if __LINUX_ARM_ARCH__ >= 6
#ifdef CONFIG_CPU_32v6K
@@ -585,21 +584,20 @@ ENTRY(__switch_to)
#ifdef CONFIG_MMU
mcr p15, 0, r6, c3, c0, 0 @ Set domain register
#endif
-#ifdef CONFIG_VFP
- @ Always disable VFP so we can lazily save/restore the old
- @ state. This occurs in the context of the previous thread.
- VFPFMRX r4, FPEXC
- bic r4, r4, #FPEXC_ENABLE
- VFPFMXR FPEXC, r4
-#endif
#if defined(CONFIG_IWMMXT)
bl iwmmxt_task_switch
#elif defined(CONFIG_CPU_XSCALE)
- add r4, r2, #40 @ cpu_context_save->extra
+ add r4, r2, #TI_CPU_DOMAIN + 40 @ cpu_context_save->extra
ldmib r4, {r4, r5}
mar acc0, r4, r5
#endif
- ldmib r2, {r4 - sl, fp, sp, pc} @ Load all regs saved previously
+ mov r5, r0
+ add r4, r2, #TI_CPU_SAVE
+ ldr r0, =thread_notify_head
+ mov r1, #THREAD_NOTIFY_SWITCH
+ bl atomic_notifier_call_chain
+ mov r0, r5
+ ldmia r4, {r4 - sl, fp, sp, pc} @ Load all regs saved previously
__INIT
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index 24c7b0477a0..af9e0ae952d 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -285,7 +285,7 @@ ENTRY(iwmmxt_task_switch)
bne 1f @ yes: block them for next task
ldr r5, =concan_owner
- add r6, r2, #(TI_IWMMXT_STATE - TI_CPU_DOMAIN) @ get next task Concan save area
+ add r6, r2, #TI_IWMMXT_STATE @ get next task Concan save area
ldr r5, [r5] @ get current Concan owner
teq r5, r6 @ next task owns it?
movne pc, lr @ no: leave Concan disabled
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 17c38dbf2f3..e1c77ee885a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -33,6 +33,7 @@
#include <asm/leds.h>
#include <asm/processor.h>
#include <asm/system.h>
+#include <asm/thread_notify.h>
#include <asm/uaccess.h>
#include <asm/mach/time.h>
@@ -338,13 +339,9 @@ void exit_thread(void)
{
}
-static void default_fp_init(union fp_state *fp)
-{
- memset(fp, 0, sizeof(union fp_state));
-}
+ATOMIC_NOTIFIER_HEAD(thread_notify_head);
-void (*fp_init)(union fp_state *) = default_fp_init;
-EXPORT_SYMBOL(fp_init);
+EXPORT_SYMBOL_GPL(thread_notify_head);
void flush_thread(void)
{
@@ -353,22 +350,21 @@ void flush_thread(void)
memset(thread->used_cp, 0, sizeof(thread->used_cp));
memset(&tsk->thread.debug, 0, sizeof(struct debug_info));
+ memset(&thread->fpstate, 0, sizeof(union fp_state));
+
+ thread_notify(THREAD_NOTIFY_FLUSH, thread);
#if defined(CONFIG_IWMMXT)
iwmmxt_task_release(thread);
#endif
- fp_init(&thread->fpstate);
-#if defined(CONFIG_VFP)
- vfp_flush_thread(&thread->vfpstate);
-#endif
}
void release_thread(struct task_struct *dead_task)
{
-#if defined(CONFIG_VFP)
- vfp_release_thread(&task_thread_info(dead_task)->vfpstate);
-#endif
+ struct thread_info *thread = task_thread_info(dead_task);
+
+ thread_notify(THREAD_NOTIFY_RELEASE, thread);
#if defined(CONFIG_IWMMXT)
- iwmmxt_task_release(task_thread_info(dead_task));
+ iwmmxt_task_release(thread);
#endif
}
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index a0cd0a90a10..e9fe7803336 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -665,17 +665,33 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall)
if (syscall) {
if (regs->ARM_r0 == -ERESTART_RESTARTBLOCK) {
if (thumb_mode(regs)) {
- regs->ARM_r7 = __NR_restart_syscall;
+ regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE;
regs->ARM_pc -= 2;
} else {
+#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT)
+ regs->ARM_r7 = __NR_restart_syscall;
+ regs->ARM_pc -= 4;
+#else
u32 __user *usp;
+ u32 swival = __NR_restart_syscall;
regs->ARM_sp -= 12;
usp = (u32 __user *)regs->ARM_sp;
+ /*
+ * Either we supports OABI only, or we have
+ * EABI with the OABI compat layer enabled.
+ * In the later case we don't know if user
+ * space is EABI or not, and if not we must
+ * not clobber r7. Always using the OABI
+ * syscall solves that issue and works for
+ * all those cases.
+ */
+ swival = swival - __NR_SYSCAll_BASE + __NR_OABI_SYSCALL_BASE;
+
put_user(regs->ARM_pc, &usp[0]);
/* swi __NR_restart_syscall */
- put_user(0xef000000 | __NR_restart_syscall, &usp[1]);
+ put_user(0xef000000 | swival, &usp[1]);
/* ldr pc, [sp], #12 */
put_user(0xe49df00c, &usp[2]);
@@ -683,6 +699,7 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall)
(unsigned long)(usp + 3));
regs->ARM_pc = regs->ARM_sp + 4;
+#endif
}
}
if (regs->ARM_r0 == -ERESTARTNOHAND ||
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index dcd41762538..bf6bd71bdd0 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -103,7 +103,8 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
write_seqlock(&xtime_lock);
__raw_writel(1, EP93XX_TIMER1_CLEAR);
- while (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time
+ while ((signed long)
+ (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time)
>= TIMER4_TICKS_PER_JIFFY) {
last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
timer_tick(regs);
@@ -124,7 +125,7 @@ static void __init ep93xx_timer_init(void)
{
/* Enable periodic HZ timer. */
__raw_writel(0x48, EP93XX_TIMER1_CONTROL);
- __raw_writel((508000 / HZ) - 1, EP93XX_TIMER1_LOAD);
+ __raw_writel((508469 / HZ) - 1, EP93XX_TIMER1_LOAD);
__raw_writel(0xc8, EP93XX_TIMER1_CONTROL);
/* Enable lost jiffy timer. */
diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c
index d18fcb1a2f1..47cc6c8b7c7 100644
--- a/arch/arm/mach-ep93xx/gesbc9312.c
+++ b/arch/arm/mach-ep93xx/gesbc9312.c
@@ -16,16 +16,38 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
+#include <linux/ioport.h>
#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+static struct physmap_flash_data gesbc9312_flash_data = {
+ .width = 4,
+};
+
+static struct resource gesbc9312_flash_resource = {
+ .start = 0x60000000,
+ .end = 0x60800000,
+ .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 void __init gesbc9312_init_machine(void)
{
ep93xx_init_devices();
- physmap_configure(0x60000000, 0x00800000, 4, NULL);
+ platform_device_register(&gesbc9312_flash);
}
MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index e24566b88a7..6e5a56cd5ae 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
+#include <linux/ioport.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/m48t86.h>
@@ -111,6 +112,26 @@ static void __init ts72xx_map_io(void)
}
}
+static struct physmap_flash_data ts72xx_flash_data = {
+ .width = 1,
+};
+
+static struct resource ts72xx_flash_resource = {
+ .start = TS72XX_NOR_PHYS_BASE,
+ .end = TS72XX_NOR_PHYS_BASE + 0x01000000,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ts72xx_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &ts72xx_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ts72xx_flash_resource,
+};
+
static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
{
__raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
@@ -141,7 +162,7 @@ static void __init ts72xx_init_machine(void)
{
ep93xx_init_devices();
if (board_is_ts7200())
- physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL);
+ platform_device_register(&ts72xx_flash);
platform_device_register(&ts72xx_rtc_device);
}
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c
index 4ca51dcf13a..36578871ecc 100644
--- a/arch/arm/mach-imx/dma.c
+++ b/arch/arm/mach-imx/dma.c
@@ -15,6 +15,9 @@
* Changed to support scatter gather DMA
* by taking Russell's code from RiscPC
*
+ * 2006-05-31 Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ * Corrected error handling code.
+ *
*/
#undef DEBUG
@@ -277,7 +280,7 @@ imx_dma_setup_sg(imx_dmach_t dma_ch,
int
imx_dma_setup_handlers(imx_dmach_t dma_ch,
void (*irq_handler) (int, void *, struct pt_regs *),
- void (*err_handler) (int, void *, struct pt_regs *),
+ void (*err_handler) (int, void *, struct pt_regs *, int),
void *data)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
@@ -463,43 +466,53 @@ static irqreturn_t dma_err_handler(int irq, void *dev_id, struct pt_regs *regs)
int i, disr = DISR;
struct imx_dma_channel *channel;
unsigned int err_mask = DBTOSR | DRTOSR | DSESR | DBOSR;
+ int errcode;
- DISR = disr;
+ DISR = disr & err_mask;
for (i = 0; i < IMX_DMA_CHANNELS; i++) {
- channel = &imx_dma_channels[i];
-
- if ((err_mask & 1 << i) && channel->name
- && channel->err_handler) {
- channel->err_handler(i, channel->data, regs);
+ if(!(err_mask & (1 << i)))
continue;
- }
-
- imx_dma_channels[i].sg = NULL;
+ channel = &imx_dma_channels[i];
+ errcode = 0;
if (DBTOSR & (1 << i)) {
- printk(KERN_WARNING
- "Burst timeout on channel %d (%s)\n",
- i, channel->name);
- DBTOSR |= (1 << i);
+ DBTOSR = (1 << i);
+ errcode |= IMX_DMA_ERR_BURST;
}
if (DRTOSR & (1 << i)) {
- printk(KERN_WARNING
- "Request timeout on channel %d (%s)\n",
- i, channel->name);
- DRTOSR |= (1 << i);
+ DRTOSR = (1 << i);
+ errcode |= IMX_DMA_ERR_REQUEST;
}
if (DSESR & (1 << i)) {
- printk(KERN_WARNING
- "Transfer timeout on channel %d (%s)\n",
- i, channel->name);
- DSESR |= (1 << i);
+ DSESR = (1 << i);
+ errcode |= IMX_DMA_ERR_TRANSFER;
}
if (DBOSR & (1 << i)) {
- printk(KERN_WARNING
- "Buffer overflow timeout on channel %d (%s)\n",
- i, channel->name);
- DBOSR |= (1 << i);
+ DBOSR = (1 << i);
+ errcode |= IMX_DMA_ERR_BUFFER;
}
+
+ /*
+ * The cleaning of @sg field would be questionable
+ * there, because its value can help to compute
+ * remaining/transfered bytes count in the handler
+ */
+ /*imx_dma_channels[i].sg = NULL;*/
+
+ if (channel->name && channel->err_handler) {
+ channel->err_handler(i, channel->data, regs, errcode);
+ continue;
+ }
+
+ imx_dma_channels[i].sg = NULL;
+
+ printk(KERN_WARNING
+ "DMA timeout on channel %d (%s) -%s%s%s%s\n",
+ i, channel->name,
+ errcode&IMX_DMA_ERR_BURST? " burst":"",
+ errcode&IMX_DMA_ERR_REQUEST? " request":"",
+ errcode&IMX_DMA_ERR_TRANSFER? " transfer":"",
+ errcode&IMX_DMA_ERR_BUFFER? " buffer":"");
}
return IRQ_HANDLED;
}
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 6e8d504aca5..186f632035b 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -211,7 +211,8 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
/* clear timer 1 */
ixp2000_reg_wrb(IXP2000_T1_CLR, 1);
- while ((next_jiffy_time - *missing_jiffy_timer_csr) > ticks_per_jiffy) {
+ while ((signed long)(next_jiffy_time - *missing_jiffy_timer_csr)
+ >= ticks_per_jiffy) {
timer_tick(regs);
next_jiffy_time -= ticks_per_jiffy;
}
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index affd1d5d744..051e3d70026 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -334,7 +334,7 @@ void __init ixp23xx_init_irq(void)
/*************************************************************************
* Timer-tick functions for IXP23xx
*************************************************************************/
-#define CLOCK_TICKS_PER_USEC CLOCK_TICK_RATE / (USEC_PER_SEC)
+#define CLOCK_TICKS_PER_USEC (CLOCK_TICK_RATE / USEC_PER_SEC)
static unsigned long next_jiffy_time;
@@ -353,7 +353,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
/* Clear Pending Interrupt by writing '1' to it */
*IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
- while ((*IXP23XX_TIMER_CONT - next_jiffy_time) > LATCH) {
+ while ((signed long)(*IXP23XX_TIMER_CONT - next_jiffy_time) >= LATCH) {
timer_tick(regs);
next_jiffy_time += LATCH;
}
@@ -439,5 +439,6 @@ static struct platform_device *ixp23xx_devices[] __initdata = {
void __init ixp23xx_sys_init(void)
{
+ *IXP23XX_EXP_UNIT_FUSE |= 0xf;
platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
}
diff --git a/arch/arm/mach-ixp23xx/espresso.c b/arch/arm/mach-ixp23xx/espresso.c
index bf688c12863..dc5e489c70b 100644
--- a/arch/arm/mach-ixp23xx/espresso.c
+++ b/arch/arm/mach-ixp23xx/espresso.c
@@ -53,9 +53,29 @@ static int __init espresso_pci_init(void)
};
subsys_initcall(espresso_pci_init);
+static struct physmap_flash_data espresso_flash_data = {
+ .width = 2,
+};
+
+static struct resource espresso_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x92000000,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device espresso_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &espresso_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &espresso_flash_resource,
+};
+
static void __init espresso_init(void)
{
- physmap_configure(0x90000000, 0x02000000, 2, NULL);
+ platform_device_register(&espresso_flash);
/*
* Mark flash as writeable.
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index 00146c35daa..535b334ee04 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -298,9 +298,29 @@ static void __init ixdp2351_map_io(void)
iotable_init(ixdp2351_io_desc, ARRAY_SIZE(ixdp2351_io_desc));
}
+static struct physmap_flash_data ixdp2351_flash_data = {
+ .width = 1,
+};
+
+static struct resource ixdp2351_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x94000000,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ixdp2351_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &ixdp2351_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ixdp2351_flash_resource,
+};
+
static void __init ixdp2351_init(void)
{
- physmap_configure(0x90000000, 0x04000000, 1, NULL);
+ platform_device_register(&ixdp2351_flash);
/*
* Mark flash as writeable
diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c
index 43c14e74079..b9f5d13fcfe 100644
--- a/arch/arm/mach-ixp23xx/roadrunner.c
+++ b/arch/arm/mach-ixp23xx/roadrunner.c
@@ -137,9 +137,29 @@ static int __init roadrunner_pci_init(void)
subsys_initcall(roadrunner_pci_init);
+static struct physmap_flash_data roadrunner_flash_data = {
+ .width = 2,
+};
+
+static struct resource roadrunner_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x94000000,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device roadrunner_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &roadrunner_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &roadrunner_flash_resource,
+};
+
static void __init roadrunner_init(void)
{
- physmap_configure(0x90000000, 0x04000000, 2, NULL);
+ platform_device_register(&roadrunner_flash);
/*
* Mark flash as writeable
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 00b761ff0f9..bf25a76e9bd 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -276,7 +276,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs
/*
* Catch up with the real idea of time
*/
- while ((*IXP4XX_OSTS - last_jiffy_time) > LATCH) {
+ while ((signed long)(*IXP4XX_OSTS - last_jiffy_time) >= LATCH) {
timer_tick(regs);
last_jiffy_time += LATCH;
}
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index a3b4c6ac570..9a31444d921 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -37,6 +38,36 @@ static struct platform_device nas100d_flash = {
.resource = &nas100d_flash_resource,
};
+#ifdef CONFIG_LEDS_IXP4XX
+static struct resource nas100d_led_resources[] = {
+ {
+ .name = "wlan", /* green led */
+ .start = 0,
+ .end = 0,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "ready", /* blue power led (off is flashing!) */
+ .start = 15,
+ .end = 15,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk", /* yellow led */
+ .start = 3,
+ .end = 3,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nas100d_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nas100d_led_resources),
+ .resource = nas100d_led_resources,
+};
+#endif
+
static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = {
.sda_pin = NAS100D_SDA_PIN,
.scl_pin = NAS100D_SCL_PIN,
@@ -95,7 +126,9 @@ static struct platform_device nas100d_uart = {
static struct platform_device *nas100d_devices[] __initdata = {
&nas100d_i2c_controller,
&nas100d_flash,
- &nas100d_uart,
+#ifdef CONFIG_LEDS_IXP4XX
+ &nas100d_leds,
+#endif
};
static void nas100d_power_off(void)
@@ -122,6 +155,12 @@ static void __init nas100d_init(void)
pm_power_off = nas100d_power_off;
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nas100d_uart);
+
platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));
}
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 55411f21d83..749a337494d 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -7,6 +7,7 @@
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* Author: Mark Rakes <mrakes at mac.com>
+ * Author: Rod Whitby <rod@whitby.id.au>
* Maintainers: http://www.nslu2-linux.org/
*
* Fixed missing init_time in MACHINE_START kas11 10/22/04
@@ -16,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -43,6 +45,42 @@ static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
.scl_pin = NSLU2_SCL_PIN,
};
+#ifdef CONFIG_LEDS_IXP4XX
+static struct resource nslu2_led_resources[] = {
+ {
+ .name = "ready", /* green led */
+ .start = NSLU2_LED_GRN,
+ .end = NSLU2_LED_GRN,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "status", /* red led */
+ .start = NSLU2_LED_RED,
+ .end = NSLU2_LED_RED,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "disk-1",
+ .start = NSLU2_LED_DISK1,
+ .end = NSLU2_LED_DISK1,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk-2",
+ .start = NSLU2_LED_DISK2,
+ .end = NSLU2_LED_DISK2,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nslu2_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nslu2_led_resources),
+ .resource = nslu2_led_resources,
+};
+#endif
+
static struct platform_device nslu2_i2c_controller = {
.name = "IXP4XX-I2C",
.id = 0,
@@ -102,8 +140,10 @@ static struct platform_device nslu2_uart = {
static struct platform_device *nslu2_devices[] __initdata = {
&nslu2_i2c_controller,
&nslu2_flash,
- &nslu2_uart,
&nslu2_beeper,
+#ifdef CONFIG_LEDS_IXP4XX
+ &nslu2_leds,
+#endif
};
static void nslu2_power_off(void)
@@ -127,6 +167,12 @@ static void __init nslu2_init(void)
pm_power_off = nslu2_power_off;
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nslu2_uart);
+
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
}
diff --git a/arch/arm/mach-pnx4008/clock.c b/arch/arm/mach-pnx4008/clock.c
index 285b22f631e..f582ed2ec43 100644
--- a/arch/arm/mach-pnx4008/clock.c
+++ b/arch/arm/mach-pnx4008/clock.c
@@ -767,6 +767,54 @@ static struct clk *onchip_clks[] = {
&uart6_ck,
};
+static int local_clk_enable(struct clk *clk)
+{
+ int ret = 0;
+
+ if (!(clk->flags & FIXED_RATE) && !clk->rate && clk->set_rate
+ && clk->user_rate)
+ ret = clk->set_rate(clk, clk->user_rate);
+ return ret;
+}
+
+static void local_clk_disable(struct clk *clk)
+{
+ if (!(clk->flags & FIXED_RATE) && clk->rate && clk->set_rate)
+ clk->set_rate(clk, 0);
+}
+
+static void local_clk_unuse(struct clk *clk)
+{
+ if (clk->usecount > 0 && !(--clk->usecount)) {
+ local_clk_disable(clk);
+ if (clk->parent)
+ local_clk_unuse(clk->parent);
+ }
+}
+
+static int local_clk_use(struct clk *clk)
+{
+ int ret = 0;
+ if (clk->usecount++ == 0) {
+ if (clk->parent)
+ ret = local_clk_use(clk->parent);
+
+ if (ret != 0) {
+ clk->usecount--;
+ goto out;
+ }
+
+ ret = local_clk_enable(clk);
+
+ if (ret != 0 && clk->parent) {
+ local_clk_unuse(clk->parent);
+ clk->usecount--;
+ }
+ }
+out:
+ return ret;
+}
+
static int local_set_rate(struct clk *clk, u32 rate)
{
int ret = -EINVAL;
@@ -847,28 +895,12 @@ unsigned long clk_get_rate(struct clk *clk)
}
EXPORT_SYMBOL(clk_get_rate);
-static int local_clk_enable(struct clk *clk)
-{
- int ret = 0;
-
- if (!(clk->flags & FIXED_RATE) && !clk->rate && clk->set_rate
- && clk->user_rate)
- ret = clk->set_rate(clk, clk->user_rate);
- return ret;
-}
-
-static void local_clk_disable(struct clk *clk)
-{
- if (!(clk->flags & FIXED_RATE) && clk->rate && clk->set_rate)
- clk->set_rate(clk, 0);
-}
-
int clk_enable(struct clk *clk)
{
int ret = 0;
clock_lock();
- ret = local_clk_enable(clk);
+ ret = local_clk_use(clk);
clock_unlock();
return ret;
}
@@ -878,70 +910,11 @@ EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
clock_lock();
- local_clk_disable(clk);
- clock_unlock();
-}
-
-EXPORT_SYMBOL(clk_disable);
-
-static void local_clk_unuse(struct clk *clk)
-{
- if (clk->usecount > 0 && !(--clk->usecount)) {
- local_clk_disable(clk);
- if (clk->parent)
- local_clk_unuse(clk->parent);
- }
-}
-
-static int local_clk_use(struct clk *clk)
-{
- int ret = 0;
- if (clk->usecount++ == 0) {
- if (clk->parent)
- ret = local_clk_use(clk->parent);
-
- if (ret != 0) {
- clk->usecount--;
- goto out;
- }
-
- ret = local_clk_enable(clk);
-
- if (ret != 0 && clk->parent) {
- local_clk_unuse(clk->parent);
- clk->usecount--;
- }
- }
-out:
- return ret;
-}
-
-/* The main purpose of clk_use ans clk_unuse functions
- * is to control switching 13MHz oscillator and PLL1 (13'MHz),
- * so that they are disabled whenever none of PLL2-5 is using them.
- * Although in theory these functions should work with any clock,
- * please use them only on PLL2 - PLL5 to avoid confusion.
- */
-int clk_use(struct clk *clk)
-{
- int ret = 0;
-
- clock_lock();
- ret = local_clk_use(clk);
- clock_unlock();
- return ret;
-}
-EXPORT_SYMBOL(clk_use);
-
-void clk_unuse(struct clk *clk)
-{
-
- clock_lock();
local_clk_unuse(clk);
clock_unlock();
}
-EXPORT_SYMBOL(clk_unuse);
+EXPORT_SYMBOL(clk_disable);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
@@ -995,7 +968,7 @@ static int __init clk_init(void)
__FUNCTION__, (*clkp)->name, (*clkp)->rate);
}
- clk_use(&ck_pll4);
+ local_clk_use(&ck_pll4);
/* if ck_13MHz is not used, disable it. */
if (ck_13MHz.usecount == 0)
diff --git a/arch/arm/mach-pnx4008/serial.c b/arch/arm/mach-pnx4008/serial.c
index 10322384e45..95a1b3f964a 100644
--- a/arch/arm/mach-pnx4008/serial.c
+++ b/arch/arm/mach-pnx4008/serial.c
@@ -20,7 +20,7 @@
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
-#include <asm/arch/pm.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/clock.h>
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 0c334136db7..7b786d72563 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -114,9 +114,15 @@ config MACH_NEXCODER_2440
endmenu
+config S3C2410_CLOCK
+ bool
+ help
+ Clock code for the S3C2410, and similar processors
+
config CPU_S3C2410
bool
depends on ARCH_S3C2410
+ select S3C2410_CLOCK
help
Support for S3C2410 and S3C2410A family from the S3C24XX line
of Samsung Mobile CPUs.
@@ -130,6 +136,7 @@ config CPU_S3C244X
config CPU_S3C2440
bool
depends on ARCH_S3C2410
+ select S3C2410_CLOCK
select CPU_S3C244X
help
Support for S3C2440 Samsung Mobile CPU based systems.
@@ -137,6 +144,7 @@ config CPU_S3C2440
config CPU_S3C2442
bool
depends on ARCH_S3C2420
+ select S3C2410_CLOCK
select CPU_S3C244X
help
Support for S3C2442 Samsung Mobile CPU based systems.
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 5e09355cd4f..372dbcea143 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -29,6 +29,10 @@ obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o
obj-$(CONFIG_CPU_S3C244X) += s3c244x.o
obj-$(CONFIG_CPU_S3C244X) += s3c244x-irq.o
+# Clock control
+
+obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
+
# S3C2440 support
obj-$(CONFIG_CPU_S3C2440) += s3c2440.o s3c2440-dsc.o
diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index 99d174612b5..c5c93c333ac 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -3,7 +3,7 @@
* Copyright (c) 2004-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
- * S3C2410 Clock control support
+ * S3C24XX Core clock control support
*
* Based on, and code from linux/arch/arm/mach-versatile/clock.c
**
@@ -56,25 +56,6 @@ static LIST_HEAD(clocks);
DEFINE_MUTEX(clocks_mutex);
-/* old functions */
-
-void inline s3c24xx_clk_enable(unsigned int clocks, unsigned int enable)
-{
- unsigned long clkcon;
-
- clkcon = __raw_readl(S3C2410_CLKCON);
-
- if (enable)
- clkcon |= clocks;
- else
- clkcon &= ~clocks;
-
- /* ensure none of the special function bits set */
- clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER | 3);
-
- __raw_writel(clkcon, S3C2410_CLKCON);
-}
-
/* enable and disable calls for use with the clk struct */
static int clk_null_enable(struct clk *clk, int enable)
@@ -82,12 +63,6 @@ static int clk_null_enable(struct clk *clk, int enable)
return 0;
}
-int s3c24xx_clkcon_enable(struct clk *clk, int enable)
-{
- s3c24xx_clk_enable(clk->ctrlbit, enable);
- return 0;
-}
-
/* Clock API calls */
struct clk *clk_get(struct device *dev, const char *id)
@@ -173,8 +148,11 @@ unsigned long clk_get_rate(struct clk *clk)
if (clk->rate != 0)
return clk->rate;
- while (clk->parent != NULL && clk->rate == 0)
- clk = clk->parent;
+ if (clk->get_rate != NULL)
+ return (clk->get_rate)(clk);
+
+ if (clk->parent != NULL)
+ return clk_get_rate(clk->parent);
return clk->rate;
}
@@ -233,28 +211,6 @@ EXPORT_SYMBOL(clk_set_rate);
EXPORT_SYMBOL(clk_get_parent);
EXPORT_SYMBOL(clk_set_parent);
-/* base clock enable */
-
-static int s3c24xx_upll_enable(struct clk *clk, int enable)
-{
- unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
- unsigned long orig = clkslow;
-
- if (enable)
- clkslow &= ~S3C2410_CLKSLOW_UCLK_OFF;
- else
- clkslow |= S3C2410_CLKSLOW_UCLK_OFF;
-
- __raw_writel(clkslow, S3C2410_CLKSLOW);
-
- /* if we started the UPLL, then allow to settle */
-
- if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF))
- udelay(200);
-
- return 0;
-}
-
/* base clocks */
static struct clk clk_xtal = {
@@ -265,15 +221,14 @@ static struct clk clk_xtal = {
.ctrlbit = 0,
};
-static struct clk clk_upll = {
+struct clk clk_upll = {
.name = "upll",
.id = -1,
.parent = NULL,
- .enable = s3c24xx_upll_enable,
.ctrlbit = 0,
};
-static struct clk clk_f = {
+struct clk clk_f = {
.name = "fclk",
.id = -1,
.rate = 0,
@@ -281,7 +236,7 @@ static struct clk clk_f = {
.ctrlbit = 0,
};
-static struct clk clk_h = {
+struct clk clk_h = {
.name = "hclk",
.id = -1,
.rate = 0,
@@ -289,7 +244,7 @@ static struct clk clk_h = {
.ctrlbit = 0,
};
-static struct clk clk_p = {
+struct clk clk_p = {
.name = "pclk",
.id = -1,
.rate = 0,
@@ -426,108 +381,6 @@ struct clk s3c24xx_uclk = {
.id = -1,
};
-
-/* standard clock definitions */
-
-static struct clk init_clocks[] = {
- {
- .name = "nand",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_NAND,
- }, {
- .name = "lcd",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_LCDC,
- }, {
- .name = "usb-host",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_USBH,
- }, {
- .name = "usb-device",
- .id = -1,
- .parent = &clk_h,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_USBD,
- }, {
- .name = "timers",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_PWMT,
- }, {
- .name = "sdi",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_SDI,
- }, {
- .name = "uart",
- .id = 0,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_UART0,
- }, {
- .name = "uart",
- .id = 1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_UART1,
- }, {
- .name = "uart",
- .id = 2,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_UART2,
- }, {
- .name = "gpio",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_GPIO,
- }, {
- .name = "rtc",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_RTC,
- }, {
- .name = "adc",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_ADC,
- }, {
- .name = "i2c",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_IIC,
- }, {
- .name = "iis",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_IIS,
- }, {
- .name = "spi",
- .id = -1,
- .parent = &clk_p,
- .enable = s3c24xx_clkcon_enable,
- .ctrlbit = S3C2410_CLKCON_SPI,
- }, {
- .name = "watchdog",
- .id = -1,
- .parent = &clk_p,
- .ctrlbit = 0,
- }
-};
-
/* initialise the clock system */
int s3c24xx_register_clock(struct clk *clk)
@@ -537,14 +390,6 @@ int s3c24xx_register_clock(struct clk *clk)
if (clk->enable == NULL)
clk->enable = clk_null_enable;
- /* if this is a standard clock, set the usage state */
-
- if (clk->ctrlbit && clk->enable == s3c24xx_clkcon_enable) {
- unsigned long clkcon = __raw_readl(S3C2410_CLKCON);
-
- clk->usage = (clkcon & clk->ctrlbit) ? 1 : 0;
- }
-
/* add to the list of available clocks */
mutex_lock(&clocks_mutex);
@@ -561,44 +406,17 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
unsigned long hclk,
unsigned long pclk)
{
- unsigned long upllcon = __raw_readl(S3C2410_UPLLCON);
- unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
- struct clk *clkp = init_clocks;
- int ptr;
- int ret;
-
- printk(KERN_INFO "S3C2410 Clocks, (c) 2004 Simtec Electronics\n");
+ printk(KERN_INFO "S3C24XX Clocks, (c) 2004 Simtec Electronics\n");
/* initialise the main system clocks */
clk_xtal.rate = xtal;
- clk_upll.rate = s3c2410_get_pll(upllcon, xtal);
+ clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
clk_h.rate = hclk;
clk_p.rate = pclk;
clk_f.rate = fclk;
- /* We must be careful disabling the clocks we are not intending to
- * be using at boot time, as subsytems such as the LCD which do
- * their own DMA requests to the bus can cause the system to lockup
- * if they where in the middle of requesting bus access.
- *
- * Disabling the LCD clock if the LCD is active is very dangerous,
- * and therefore the bootloader should be careful to not enable
- * the LCD clock if it is not needed.
- */
-
- mutex_lock(&clocks_mutex);
-
- s3c24xx_clk_enable(S3C2410_CLKCON_NAND, 0);
- s3c24xx_clk_enable(S3C2410_CLKCON_USBH, 0);
- s3c24xx_clk_enable(S3C2410_CLKCON_USBD, 0);
- s3c24xx_clk_enable(S3C2410_CLKCON_ADC, 0);
- s3c24xx_clk_enable(S3C2410_CLKCON_IIC, 0);
- s3c24xx_clk_enable(S3C2410_CLKCON_SPI, 0);
-
- mutex_unlock(&clocks_mutex);
-
/* assume uart clocks are correctly setup */
/* register our clocks */
@@ -618,27 +436,5 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
if (s3c24xx_register_clock(&clk_p) < 0)
printk(KERN_ERR "failed to register cpu pclk\n");
-
- if (s3c24xx_register_clock(&clk_usb_bus) < 0)
- printk(KERN_ERR "failed to register usb bus clock\n");
-
- /* register clocks from clock array */
-
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
- }
-
- /* show the clock-slow value */
-
- printk("CLOCK: Slow mode (%ld.%ld MHz), %s, MPLL %s, UPLL %s\n",
- print_mhz(xtal / ( 2 * S3C2410_CLKSLOW_GET_SLOWVAL(clkslow))),
- (clkslow & S3C2410_CLKSLOW_SLOW) ? "slow" : "fast",
- (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on",
- (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on");
-
return 0;
}
diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h
index 01bb458bf8e..9456c81eb5d 100644
--- a/arch/arm/mach-s3c2410/clock.h
+++ b/arch/arm/mach-s3c2410/clock.h
@@ -22,6 +22,7 @@ struct clk {
int (*enable)(struct clk *, int enable);
int (*set_rate)(struct clk *c, unsigned long rate);
+ unsigned long (*get_rate)(struct clk *c);
unsigned long (*round_rate)(struct clk *c, unsigned long rate);
int (*set_parent)(struct clk *c, struct clk *parent);
};
@@ -36,6 +37,13 @@ extern struct clk s3c24xx_uclk;
extern struct clk clk_usb_bus;
+/* core clock support */
+
+extern struct clk clk_f;
+extern struct clk clk_h;
+extern struct clk clk_p;
+extern struct clk clk_upll;
+
/* exports for arch/arm/mach-s3c2410
*
* Please DO NOT use these outside of arch/arm/mach-s3c2410
@@ -43,7 +51,8 @@ extern struct clk clk_usb_bus;
extern struct mutex clocks_mutex;
-extern int s3c24xx_clkcon_enable(struct clk *clk, int enable);
+extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
+
extern int s3c24xx_register_clock(struct clk *clk);
extern int s3c24xx_setup_clocks(unsigned long xtal,
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h
index 40862899b2f..21c62dc29bb 100644
--- a/arch/arm/mach-s3c2410/cpu.h
+++ b/arch/arm/mach-s3c2410/cpu.h
@@ -73,5 +73,6 @@ extern struct sys_timer s3c24xx_timer;
/* system device classes */
+extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
diff --git a/arch/arm/mach-s3c2410/s3c2410-clock.c b/arch/arm/mach-s3c2410/s3c2410-clock.c
new file mode 100644
index 00000000000..fd17c60e113
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2410-clock.c
@@ -0,0 +1,263 @@
+/* linux/arch/arm/mach-s3c2410/clock.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410,S3C2440,S3C2442 Clock control support
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/sysdev.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/regs-gpio.h>
+
+#include "clock.h"
+#include "cpu.h"
+
+int s3c2410_clkcon_enable(struct clk *clk, int enable)
+{
+ unsigned int clocks = clk->ctrlbit;
+ unsigned long clkcon;
+
+ clkcon = __raw_readl(S3C2410_CLKCON);
+
+ if (enable)
+ clkcon |= clocks;
+ else
+ clkcon &= ~clocks;
+
+ /* ensure none of the special function bits set */
+ clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER);
+
+ __raw_writel(clkcon, S3C2410_CLKCON);
+
+ return 0;
+}
+
+static int s3c2410_upll_enable(struct clk *clk, int enable)
+{
+ unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
+ unsigned long orig = clkslow;
+
+ if (enable)
+ clkslow &= ~S3C2410_CLKSLOW_UCLK_OFF;
+ else
+ clkslow |= S3C2410_CLKSLOW_UCLK_OFF;
+
+ __raw_writel(clkslow, S3C2410_CLKSLOW);
+
+ /* if we started the UPLL, then allow to settle */
+
+ if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF))
+ udelay(200);
+
+ return 0;
+}
+
+/* standard clock definitions */
+
+static struct clk init_clocks_disable[] = {
+ {
+ .name = "nand",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_NAND,
+ }, {
+ .name = "sdi",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_SDI,
+ }, {
+ .name = "adc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_ADC,
+ }, {
+ .name = "i2c",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_IIC,
+ }, {
+ .name = "iis",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_IIS,
+ }, {
+ .name = "spi",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_SPI,
+ }
+};
+
+static struct clk init_clocks[] = {
+ {
+ .name = "lcd",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_LCDC,
+ }, {
+ .name = "gpio",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_GPIO,
+ }, {
+ .name = "usb-host",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_USBH,
+ }, {
+ .name = "usb-device",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_USBD,
+ }, {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_PWMT,
+ }, {
+ .name = "uart",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_UART0,
+ }, {
+ .name = "uart",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_UART1,
+ }, {
+ .name = "uart",
+ .id = 2,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_UART2,
+ }, {
+ .name = "rtc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2410_CLKCON_RTC,
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .parent = &clk_p,
+ .ctrlbit = 0,
+ }
+};
+
+/* s3c2410_baseclk_add()
+ *
+ * Add all the clocks used by the s3c2410 or compatible CPUs
+ * such as the S3C2440 and S3C2442.
+ *
+ * We cannot use a system device as we are needed before any
+ * of the init-calls that initialise the devices are actually
+ * done.
+*/
+
+int __init s3c2410_baseclk_add(void)
+{
+ unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
+ unsigned long clkcon = __raw_readl(S3C2410_CLKCON);
+ struct clk *clkp;
+ struct clk *xtal;
+ int ret;
+ int ptr;
+
+ clk_upll.enable = s3c2410_upll_enable;
+
+ if (s3c24xx_register_clock(&clk_usb_bus) < 0)
+ printk(KERN_ERR "failed to register usb bus clock\n");
+
+ /* register clocks from clock array */
+
+ clkp = init_clocks;
+ for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
+ /* ensure that we note the clock state */
+
+ clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0;
+
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+ }
+
+ /* We must be careful disabling the clocks we are not intending to
+ * be using at boot time, as subsytems such as the LCD which do
+ * their own DMA requests to the bus can cause the system to lockup
+ * if they where in the middle of requesting bus access.
+ *
+ * Disabling the LCD clock if the LCD is active is very dangerous,
+ * and therefore the bootloader should be careful to not enable
+ * the LCD clock if it is not needed.
+ */
+
+ /* install (and disable) the clocks we do not need immediately */
+
+ clkp = init_clocks_disable;
+ for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+
+ s3c2410_clkcon_enable(clkp, 0);
+ }
+
+ /* show the clock-slow value */
+
+ xtal = clk_get(NULL, "xtal");
+
+ printk("CLOCK: Slow mode (%ld.%ld MHz), %s, MPLL %s, UPLL %s\n",
+ print_mhz(clk_get_rate(xtal) /
+ ( 2 * S3C2410_CLKSLOW_GET_SLOWVAL(clkslow))),
+ (clkslow & S3C2410_CLKSLOW_SLOW) ? "slow" : "fast",
+ (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on",
+ (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on");
+
+ return 0;
+}
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 0852e87a79c..a110cff9cf6 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -27,6 +27,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
+#include <linux/sysdev.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
@@ -108,11 +109,33 @@ void __init s3c2410_init_clocks(int xtal)
*/
s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+ s3c2410_baseclk_add();
}
+struct sysdev_class s3c2410_sysclass = {
+ set_kset_name("s3c2410-core"),
+};
+
+static struct sys_device s3c2410_sysdev = {
+ .cls = &s3c2410_sysclass,
+};
+
+/* need to register class before we actually register the device, and
+ * we also need to ensure that it has been initialised before any of the
+ * drivers even try to use it (even if not on an s3c2440 based system)
+ * as a driver which may support both 2410 and 2440 may try and use it.
+*/
+
+static int __init s3c2410_core_init(void)
+{
+ return sysdev_class_register(&s3c2410_sysclass);
+}
+
+core_initcall(s3c2410_core_init);
+
int __init s3c2410_init(void)
{
printk("S3C2410: Initialising architecture\n");
- return 0;
+ return sysdev_register(&s3c2410_sysdev);
}
diff --git a/arch/arm/mach-s3c2410/s3c2410.h b/arch/arm/mach-s3c2410/s3c2410.h
index 4d5312a4820..73f1a2474a6 100644
--- a/arch/arm/mach-s3c2410/s3c2410.h
+++ b/arch/arm/mach-s3c2410/s3c2410.h
@@ -29,6 +29,8 @@ extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c2410_init_clocks(int xtal);
+extern int s3c2410_baseclk_add(void);
+
#else
#define s3c2410_init_clocks NULL
#define s3c2410_init_uarts NULL
diff --git a/arch/arm/mach-s3c2410/s3c2440-clock.c b/arch/arm/mach-s3c2410/s3c2440-clock.c
index d7a30ed6c32..15796864d01 100644
--- a/arch/arm/mach-s3c2410/s3c2440-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2440-clock.c
@@ -91,7 +91,7 @@ static int s3c2440_camif_upll_setrate(struct clk *clk, unsigned long rate)
static struct clk s3c2440_clk_cam = {
.name = "camif",
.id = -1,
- .enable = s3c24xx_clkcon_enable,
+ .enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2440_CLKCON_CAMERA,
};
@@ -105,7 +105,7 @@ static struct clk s3c2440_clk_cam_upll = {
static struct clk s3c2440_clk_ac97 = {
.name = "ac97",
.id = -1,
- .enable = s3c24xx_clkcon_enable,
+ .enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2440_CLKCON_CAMERA,
};
diff --git a/arch/arm/mach-s3c2410/s3c2442-clock.c b/arch/arm/mach-s3c2410/s3c2442-clock.c
index 5b7b301eb52..d9f54b5cab7 100644
--- a/arch/arm/mach-s3c2410/s3c2442-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2442-clock.c
@@ -102,7 +102,7 @@ static int s3c2442_camif_upll_setrate(struct clk *clk, unsigned long rate)
static struct clk s3c2442_clk_cam = {
.name = "camif",
.id = -1,
- .enable = s3c24xx_clkcon_enable,
+ .enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2440_CLKCON_CAMERA,
};
diff --git a/arch/arm/mach-s3c2410/s3c244x.c b/arch/arm/mach-s3c2410/s3c244x.c
index 96852a7000d..838bc525e83 100644
--- a/arch/arm/mach-s3c2410/s3c244x.c
+++ b/arch/arm/mach-s3c2410/s3c244x.c
@@ -34,6 +34,7 @@
#include <asm/arch/regs-gpioj.h>
#include <asm/arch/regs-dsc.h>
+#include "s3c2410.h"
#include "s3c2440.h"
#include "s3c244x.h"
#include "clock.h"
@@ -118,6 +119,7 @@ void __init s3c244x_init_clocks(int xtal)
*/
s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+ s3c2410_baseclk_add();
}
#ifdef CONFIG_PM
diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c
index 2dfe1ac42ee..7d977d23f02 100644
--- a/arch/arm/nwfpe/fpmodule.c
+++ b/arch/arm/nwfpe/fpmodule.c
@@ -33,7 +33,8 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/init.h>
-/* XXX */
+
+#include <asm/thread_notify.h>
#include "softfloat.h"
#include "fpopcode.h"
@@ -56,16 +57,28 @@ void fp_send_sig(unsigned long sig, struct task_struct *p, int priv);
extern char fpe_type[];
#endif
+static int nwfpe_notify(struct notifier_block *self, unsigned long cmd, void *v)
+{
+ struct thread_info *thread = v;
+
+ if (cmd == THREAD_NOTIFY_FLUSH)
+ nwfpe_init_fpa(&thread->fpstate);
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block nwfpe_notifier_block = {
+ .notifier_call = nwfpe_notify,
+};
+
/* kernel function prototypes required */
void fp_setup(void);
/* external declarations for saved kernel symbols */
extern void (*kern_fp_enter)(void);
-extern void (*fp_init)(union fp_state *);
/* Original value of fp_enter from kernel before patched by fpe_init. */
static void (*orig_fp_enter)(void);
-static void (*orig_fp_init)(union fp_state *);
/* forward declarations */
extern void nwfpe_enter(void);
@@ -88,20 +101,20 @@ static int __init fpe_init(void)
printk(KERN_WARNING "NetWinder Floating Point Emulator V0.97 ("
NWFPE_BITS " precision)\n");
+ thread_register_notifier(&nwfpe_notifier_block);
+
/* Save pointer to the old FP handler and then patch ourselves in */
orig_fp_enter = kern_fp_enter;
- orig_fp_init = fp_init;
kern_fp_enter = nwfpe_enter;
- fp_init = nwfpe_init_fpa;
return 0;
}
static void __exit fpe_exit(void)
{
+ thread_unregister_notifier(&nwfpe_notifier_block);
/* Restore the values we saved earlier. */
kern_fp_enter = orig_fp_enter;
- fp_init = orig_fp_init;
}
/*
diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index b2a943bf11e..3461a6c9665 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -210,7 +210,8 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
now = omap_32k_sync_timer_read();
- while (now - omap_32k_last_tick >= OMAP_32K_TICKS_PER_HZ) {
+ while ((signed long)(now - omap_32k_last_tick)
+ >= OMAP_32K_TICKS_PER_HZ) {
omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ;
timer_tick(regs);
}
diff --git a/arch/arm/vfp/Makefile b/arch/arm/vfp/Makefile
index afabac31dd1..7e136e77971 100644
--- a/arch/arm/vfp/Makefile
+++ b/arch/arm/vfp/Makefile
@@ -7,6 +7,9 @@
# EXTRA_CFLAGS := -DDEBUG
# EXTRA_AFLAGS := -DDEBUG
+AFLAGS :=$(AFLAGS:-msoft-float=-Wa,-mfpu=softvfp+vfp)
+LDFLAGS +=--no-warn-mismatch
+
obj-y += vfp.o
-vfp-$(CONFIG_VFP) += entry.o vfpmodule.o vfphw.o vfpsingle.o vfpdouble.o
+vfp-$(CONFIG_VFP) += vfpmodule.o entry.o vfphw.o vfpsingle.o vfpdouble.o
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index a3f65b47aea..eb683cd7716 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -192,7 +192,7 @@ vfp_get_double:
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- mrrc p11, 1, r0, r1, c\dr @ fmrrd r0, r1, d\dr
+ fmrrd r0, r1, d\dr
mov pc, lr
.endr
@@ -206,6 +206,6 @@ vfp_put_double:
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- mcrr p11, 1, r1, r2, c\dr @ fmdrr r1, r2, d\dr
+ fmdrr d\dr, r1, r2
mov pc, lr
.endr
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 03486be0419..2476f4c2e76 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -15,6 +15,8 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/init.h>
+
+#include <asm/thread_notify.h>
#include <asm/vfp.h>
#include "vfpinstr.h"
@@ -36,38 +38,55 @@ union vfp_state *last_VFP_context;
*/
unsigned int VFP_arch;
-/*
- * Per-thread VFP initialisation.
- */
-void vfp_flush_thread(union vfp_state *vfp)
+static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
{
- memset(vfp, 0, sizeof(union vfp_state));
+ struct thread_info *thread = v;
+ union vfp_state *vfp = &thread->vfpstate;
- vfp->hard.fpexc = FPEXC_ENABLE;
- vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
+ switch (cmd) {
+ case THREAD_NOTIFY_FLUSH:
+ /*
+ * Per-thread VFP initialisation.
+ */
+ memset(vfp, 0, sizeof(union vfp_state));
- /*
- * Disable VFP to ensure we initialise it first.
- */
- fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
+ vfp->hard.fpexc = FPEXC_ENABLE;
+ vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
- /*
- * Ensure we don't try to overwrite our newly initialised
- * state information on the first fault.
- */
- if (last_VFP_context == vfp)
- last_VFP_context = NULL;
-}
+ /*
+ * Disable VFP to ensure we initialise it first.
+ */
+ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
-/*
- * Per-thread VFP cleanup.
- */
-void vfp_release_thread(union vfp_state *vfp)
-{
- if (last_VFP_context == vfp)
- last_VFP_context = NULL;
+ /*
+ * FALLTHROUGH: Ensure we don't try to overwrite our newly
+ * initialised state information on the first fault.
+ */
+
+ case THREAD_NOTIFY_RELEASE:
+ /*
+ * Per-thread VFP cleanup.
+ */
+ if (last_VFP_context == vfp)
+ last_VFP_context = NULL;
+ break;
+
+ case THREAD_NOTIFY_SWITCH:
+ /*
+ * Always disable VFP so we can lazily save/restore the
+ * old state.
+ */
+ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
+ break;
+ }
+
+ return NOTIFY_DONE;
}
+static struct notifier_block vfp_notifier_block = {
+ .notifier_call = vfp_notifier,
+};
+
/*
* Raise a SIGFPE for the current process.
* sicode describes the signal being raised.
@@ -281,6 +300,8 @@ static int __init vfp_init(void)
(vfpsid & FPSID_VARIANT_MASK) >> FPSID_VARIANT_BIT,
(vfpsid & FPSID_REV_MASK) >> FPSID_REV_BIT);
vfp_vector = vfp_support_entry;
+
+ thread_register_notifier(&vfp_notifier_block);
}
return 0;
}