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Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Add in PCI bus for DMA API debugging.
  sh: Pre-allocate a reasonable number of DMA debug entries.
  sh: sh7786: modify usb setup timeout judgment bug.
  MAINTAINERS: Update sh architecture file patterns.
  sh: ap325: use edge control for ov772x camera
  sh: Plug in support for ARCH=sh64 using sh SRCARCH.
  sh: urquell: Fix up address mapping in board comments.
  sh: Add support for DMA API debugging.
  sh: Provide cpumask_of_pcibus() to fix NUMA build.
  sh: urquell: Add board comment
  sh: wire up sys_preadv/sys_pwritev() syscalls.
  sh: sh7785lcr: fix PCI address map for 32-bit mode
  sh: intc: Added resume from hibernation support to the intc
This commit is contained in:
Linus Torvalds 2009-04-14 10:00:42 -07:00
commit 3e862dd5c9
18 changed files with 179 additions and 35 deletions
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2
MAINTAINERS
View file

@ -5313,7 +5313,9 @@ L: linux-sh@vger.kernel.org
W: http://www.linux-sh.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git
S: Supported
F: Documentation/sh/
F: arch/sh/
F: drivers/sh/
SUSPEND TO RAM
P: Len Brown

7
Makefile
View file

@ -169,7 +169,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
-e s/arm.*/arm/ -e s/sa110/arm/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh.*/sh/ )
-e s/sh[234].*/sh/ )
# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
@ -210,6 +210,11 @@ ifeq ($(ARCH),sparc64)
SRCARCH := sparc
endif
# Additional ARCH settings for sh
ifeq ($(ARCH),sh64)
SRCARCH := sh
endif
# Where to locate arch specific headers
hdr-arch := $(SRCARCH)

18
arch/sh/Kconfig
View file

@ -14,6 +14,7 @@ config SUPERH
select HAVE_GENERIC_DMA_COHERENT
select HAVE_IOREMAP_PROT if MMU
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
@ -21,7 +22,7 @@ config SUPERH
<http://www.linux-sh.org/>.
config SUPERH32
def_bool !SUPERH64
def_bool ARCH = "sh"
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_FUNCTION_TRACER
@ -31,7 +32,7 @@ config SUPERH32
select ARCH_HIBERNATION_POSSIBLE if MMU
config SUPERH64
def_bool y if CPU_SH5
def_bool ARCH = "sh64"
config ARCH_DEFCONFIG
string
@ -187,6 +188,8 @@ config ARCH_SHMOBILE
bool
select ARCH_SUSPEND_POSSIBLE
if SUPERH32
choice
prompt "Processor sub-type selection"
@ -408,6 +411,15 @@ config CPU_SUBTYPE_SH7366
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_CMT
endchoice
endif
if SUPERH64
choice
prompt "Processor sub-type selection"
# SH-5 Processor Support
config CPU_SUBTYPE_SH5_101
@ -420,6 +432,8 @@ config CPU_SUBTYPE_SH5_103
endchoice
endif
source "arch/sh/mm/Kconfig"
source "arch/sh/Kconfig.cpu"

1
arch/sh/boards/board-ap325rxa.c
View file

@ -349,6 +349,7 @@ static int ov7725_power(struct device *dev, int mode)
static struct ov772x_camera_info ov7725_info = {
.buswidth = SOCAM_DATAWIDTH_8,
.flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
.edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0),
.link = {
.power = ov7725_power,
},

30
arch/sh/boards/board-urquell.c
View file

@ -2,6 +2,8 @@
* Renesas Technology Corp. SH7786 Urquell Support.
*
* Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
*
* Based on board-sh7785lcr.c
* Copyright (C) 2008 Yoshihiro Shimoda
*
* This file is subject to the terms and conditions of the GNU General Public
@ -21,6 +23,32 @@
#include <asm/heartbeat.h>
#include <asm/sizes.h>
/*
* bit 1234 5678
*----------------------------
* SW1 0101 0010 -> Pck 33MHz version
* (1101 0010) Pck 66MHz version
* SW2 0x1x xxxx -> little endian
* 29bit mode
* SW47 0001 1000 -> CS0 : on-board flash
* CS1 : SRAM, registers, LAN, PCMCIA
* 38400 bps for SCIF1
*
* Address
* 0x00000000 - 0x04000000 (CS0) Nor Flash
* 0x04000000 - 0x04200000 (CS1) SRAM
* 0x05000000 - 0x05800000 (CS1) on board register
* 0x05800000 - 0x06000000 (CS1) LAN91C111
* 0x06000000 - 0x06400000 (CS1) PCMCIA
* 0x08000000 - 0x10000000 (CS2-CS3) DDR3
* 0x10000000 - 0x14000000 (CS4) PCIe
* 0x14000000 - 0x14800000 (CS5) Core0 LRAM/URAM
* 0x14800000 - 0x15000000 (CS5) Core1 LRAM/URAM
* 0x18000000 - 0x1C000000 (CS6) ATA/NAND-Flash
* 0x1C000000 - (CS7) SH7786 Control register
*/
/* HeartBeat */
static struct resource heartbeat_resources[] = {
[0] = {
.start = BOARDREG(SLEDR),
@ -43,6 +71,7 @@ static struct platform_device heartbeat_device = {
.resource = heartbeat_resources,
};
/* LAN91C111 */
static struct smc91x_platdata smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
};
@ -69,6 +98,7 @@ static struct platform_device smc91x_eth_device = {
},
};
/* Nor Flash */
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",

5
arch/sh/drivers/pci/ops-sh7785lcr.c
View file

@ -48,8 +48,13 @@ EXPORT_SYMBOL(board_pci_channels);
static struct sh4_pci_address_map sh7785_pci_map = {
.window0 = {
#if defined(CONFIG_32BIT)
.base = SH7780_32BIT_DDR_BASE_ADDR,
.size = 0x40000000,
#else
.base = SH7780_CS0_BASE_ADDR,
.size = 0x20000000,
#endif
},
.flags = SH4_PCIC_NO_RESET,

2
arch/sh/drivers/pci/pci-sh7780.h
View file

@ -104,6 +104,8 @@
#define SH7780_CS5_BASE_ADDR (SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS6_BASE_ADDR (SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_32BIT_DDR_BASE_ADDR 0x40000000
struct sh4_pci_address_map;
/* arch/sh/drivers/pci/pci-sh7780.c */

3
arch/sh/drivers/pci/pci.c
View file

@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/dma-debug.h>
#include <asm/io.h>
static int __init pcibios_init(void)
@ -43,6 +44,8 @@ static int __init pcibios_init(void)
pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq);
dma_debug_add_bus(&pci_bus_type);
return 0;
}
subsys_initcall(pcibios_init);

36
arch/sh/include/asm/dma-mapping.h
View file

@ -3,6 +3,7 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
#include <asm-generic/dma-coherent.h>
@ -38,16 +39,26 @@ static inline dma_addr_t dma_map_single(struct device *dev,
void *ptr, size_t size,
enum dma_data_direction dir)
{
dma_addr_t addr = virt_to_phys(ptr);
#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
if (dev->bus == &pci_bus_type)
return virt_to_phys(ptr);
return addr;
#endif
dma_cache_sync(dev, ptr, size, dir);
return virt_to_phys(ptr);
debug_dma_map_page(dev, virt_to_page(ptr),
(unsigned long)ptr & ~PAGE_MASK, size,
dir, addr, true);
return addr;
}
#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
size_t size, enum dma_data_direction dir)
{
debug_dma_unmap_page(dev, addr, size, dir, true);
}
static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir)
@ -59,12 +70,19 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
sg[i].dma_address = sg_phys(&sg[i]);
sg[i].dma_length = sg[i].length;
}
debug_dma_map_sg(dev, sg, nents, i, dir);
return nents;
}
#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir)
{
debug_dma_unmap_sg(dev, sg, nents, dir);
}
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
@ -111,6 +129,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
sg[i].dma_address = sg_phys(&sg[i]);
sg[i].dma_length = sg[i].length;
}
}
@ -119,6 +138,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_single(dev, dma_handle, size, dir);
debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir);
}
static inline void dma_sync_single_for_device(struct device *dev,
@ -127,6 +147,7 @@ static inline void dma_sync_single_for_device(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_single(dev, dma_handle, size, dir);
debug_dma_sync_single_for_device(dev, dma_handle, size, dir);
}
static inline void dma_sync_single_range_for_cpu(struct device *dev,
@ -136,6 +157,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
enum dma_data_direction direction)
{
dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
debug_dma_sync_single_range_for_cpu(dev, dma_handle,
offset, size, direction);
}
static inline void dma_sync_single_range_for_device(struct device *dev,
@ -145,6 +168,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
enum dma_data_direction direction)
{
dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
debug_dma_sync_single_range_for_device(dev, dma_handle,
offset, size, direction);
}
@ -153,6 +178,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_sg(dev, sg, nelems, dir);
debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
}
static inline void dma_sync_sg_for_device(struct device *dev,
@ -160,9 +186,9 @@ static inline void dma_sync_sg_for_device(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_sg(dev, sg, nelems, dir);
debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
}
static inline int dma_get_cache_alignment(void)
{
/*

11
arch/sh/include/asm/scatterlist.h
View file

@ -5,12 +5,13 @@
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;/* for highmem, page offset */
dma_addr_t dma_address;
unsigned int length;
unsigned long page_link;
unsigned int offset; /* for highmem, page offset */
unsigned int length;
dma_addr_t dma_address;
unsigned int dma_length;
};
#define ISA_DMA_THRESHOLD PHYS_ADDR_MASK

7
arch/sh/include/asm/topology.h
View file

@ -37,8 +37,11 @@
#define pcibus_to_node(bus) ((void)(bus), -1)
#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
CPU_MASK_ALL : \
node_to_cpumask(pcibus_to_node(bus)) \
)
node_to_cpumask(pcibus_to_node(bus)))
#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
CPU_MASK_ALL_PTR : \
cpumask_of_node(pcibus_to_node(bus)))
#endif
#include <asm-generic/topology.h>

4
arch/sh/include/asm/unistd_32.h
View file

@ -341,8 +341,10 @@
#define __NR_dup3 330
#define __NR_pipe2 331
#define __NR_inotify_init1 332
#define __NR_preadv 333
#define __NR_pwritev 334
#define NR_syscalls 333
#define NR_syscalls 335
#ifdef __KERNEL__

4
arch/sh/include/asm/unistd_64.h
View file

@ -381,10 +381,12 @@
#define __NR_dup3 358
#define __NR_pipe2 359
#define __NR_inotify_init1 360
#define __NR_preadv 361
#define __NR_pwritev 362
#ifdef __KERNEL__
#define NR_syscalls 361
#define NR_syscalls 363
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR

14
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
View file

@ -143,14 +143,14 @@ static void __init sh7786_usb_setup(void)
* Set the PHY and PLL enable bit
*/
__raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
while (i-- &&
((__raw_readl(USBST) & ACT_PLL_STATUS) != ACT_PLL_STATUS))
while (i--) {
if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
/* Set the PHY RST bit */
__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
printk(KERN_INFO "sh7786 usb setup done\n");
break;
}
cpu_relax();
if (i) {
/* Set the PHY RST bit */
__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
printk(KERN_INFO "sh7786 usb setup done\n");
}
}

2
arch/sh/kernel/syscalls_32.S
View file

@ -349,3 +349,5 @@ ENTRY(sys_call_table)
.long sys_dup3 /* 330 */
.long sys_pipe2
.long sys_inotify_init1
.long sys_preadv
.long sys_writev

2
arch/sh/kernel/syscalls_64.S
View file

@ -387,3 +387,5 @@ sys_call_table:
.long sys_dup3
.long sys_pipe2
.long sys_inotify_init1 /* 360 */
.long sys_preadv
.long sys_pwritev

31
arch/sh/mm/consistent.c
View file

@ -10,11 +10,22 @@
* for more details.
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/io.h>
#include <asm/cacheflush.h>
#include <asm/addrspace.h>
#include <asm/io.h>
#define PREALLOC_DMA_DEBUG_ENTRIES 4096
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
return 0;
}
fs_initcall(dma_init);
void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp)
@ -45,6 +56,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
*dma_handle = virt_to_phys(ret);
debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache);
return ret_nocache;
}
EXPORT_SYMBOL(dma_alloc_coherent);
@ -56,12 +70,15 @@ void dma_free_coherent(struct device *dev, size_t size,
unsigned long pfn = dma_handle >> PAGE_SHIFT;
int k;
if (!dma_release_from_coherent(dev, order, vaddr)) {
WARN_ON(irqs_disabled()); /* for portability */
for (k = 0; k < (1 << order); k++)
__free_pages(pfn_to_page(pfn + k), 0);
iounmap(vaddr);
}
WARN_ON(irqs_disabled()); /* for portability */
if (dma_release_from_coherent(dev, order, vaddr))
return;
debug_dma_free_coherent(dev, size, vaddr, dma_handle);
for (k = 0; k < (1 << order); k++)
__free_pages(pfn_to_page(pfn + k), 0);
iounmap(vaddr);
}
EXPORT_SYMBOL(dma_free_coherent);

35
drivers/sh/intc.c
View file

@ -44,6 +44,7 @@ struct intc_handle_int {
struct intc_desc_int {
struct list_head list;
struct sys_device sysdev;
pm_message_t state;
unsigned long *reg;
#ifdef CONFIG_SMP
unsigned long *smp;
@ -786,18 +787,44 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state)
/* get intc controller associated with this sysdev */
d = container_of(dev, struct intc_desc_int, sysdev);
/* enable wakeup irqs belonging to this intc controller */
for_each_irq_desc(irq, desc) {
if ((desc->status & IRQ_WAKEUP) && (desc->chip == &d->chip))
intc_enable(irq);
switch (state.event) {
case PM_EVENT_ON:
if (d->state.event != PM_EVENT_FREEZE)
break;
for_each_irq_desc(irq, desc) {
if (desc->chip != &d->chip)
continue;
if (desc->status & IRQ_DISABLED)
intc_disable(irq);
else
intc_enable(irq);
}
break;
case PM_EVENT_FREEZE:
/* nothing has to be done */
break;
case PM_EVENT_SUSPEND:
/* enable wakeup irqs belonging to this intc controller */
for_each_irq_desc(irq, desc) {
if ((desc->status & IRQ_WAKEUP) && (desc->chip == &d->chip))
intc_enable(irq);
}
break;
}
d->state = state;
return 0;
}
static int intc_resume(struct sys_device *dev)
{
return intc_suspend(dev, PMSG_ON);
}
static struct sysdev_class intc_sysdev_class = {
.name = "intc",
.suspend = intc_suspend,
.resume = intc_resume,
};
/* register this intc as sysdev to allow suspend/resume */