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Merge branch 'master' into devel

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This commit is contained in:
Russell King 2009-12-13 19:39:35 +00:00
commit fc7736688b
16 changed files with 133 additions and 84 deletions
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5
arch/arm/Kconfig
View File

@ -603,6 +603,7 @@ config ARCH_SA1100
select ARCH_SPARSEMEM_ENABLE
select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
select CPU_FREQ
select GENERIC_GPIO
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
@ -1359,13 +1360,9 @@ source "drivers/cpufreq/Kconfig"
config CPU_FREQ_SA1100
bool
depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
default y
config CPU_FREQ_SA1110
bool
depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3)
default y
config CPU_FREQ_INTEGRATOR
tristate "CPUfreq driver for ARM Integrator CPUs"

2
arch/arm/mach-clps711x/include/mach/memory.h
View File

@ -30,6 +30,8 @@
#define __virt_to_bus(x) ((x) - PAGE_OFFSET)
#define __bus_to_virt(x) ((x) + PAGE_OFFSET)
#define __pfn_to_bus(x) (__pfn_to_phys(x) - PHYS_OFFSET)
#define __bus_to_pfn(x) __phys_to_pfn((x) + PHYS_OFFSET)
#endif

22
arch/arm/mach-footbridge/common.c
View File

@ -201,6 +201,11 @@ void __init footbridge_map_io(void)
#ifdef CONFIG_FOOTBRIDGE_ADDIN
static inline unsigned long fb_bus_sdram_offset(void)
{
return *CSR_PCISDRAMBASE & 0xfffffff0;
}
/*
* These two functions convert virtual addresses to PCI addresses and PCI
* addresses to virtual addresses. Note that it is only legal to use these
@ -210,14 +215,13 @@ unsigned long __virt_to_bus(unsigned long res)
{
WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory);
return (res - PAGE_OFFSET) + (*CSR_PCISDRAMBASE & 0xfffffff0);
return res + (fb_bus_sdram_offset() - PAGE_OFFSET);
}
EXPORT_SYMBOL(__virt_to_bus);
unsigned long __bus_to_virt(unsigned long res)
{
res -= (*CSR_PCISDRAMBASE & 0xfffffff0);
res += PAGE_OFFSET;
res = res - (fb_bus_sdram_offset() - PAGE_OFFSET);
WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory);
@ -225,4 +229,16 @@ unsigned long __bus_to_virt(unsigned long res)
}
EXPORT_SYMBOL(__bus_to_virt);
unsigned long __pfn_to_bus(unsigned long pfn)
{
return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET));
}
EXPORT_SYMBOL(__pfn_to_bus);
unsigned long __bus_to_pfn(unsigned long bus)
{
return __phys_to_pfn(bus - (fb_bus_sdram_offset() - PHYS_OFFSET));
}
EXPORT_SYMBOL(__bus_to_pfn);
#endif

15
arch/arm/mach-footbridge/include/mach/memory.h
View File

@ -29,6 +29,8 @@
#ifndef __ASSEMBLY__
extern unsigned long __virt_to_bus(unsigned long);
extern unsigned long __bus_to_virt(unsigned long);
extern unsigned long __pfn_to_bus(unsigned long);
extern unsigned long __bus_to_pfn(unsigned long);
#endif
#define __virt_to_bus __virt_to_bus
#define __bus_to_virt __bus_to_virt
@ -36,14 +38,15 @@ extern unsigned long __bus_to_virt(unsigned long);
#elif defined(CONFIG_FOOTBRIDGE_HOST)
/*
* The footbridge is programmed to expose the system RAM at the corresponding
* address. So, if PAGE_OFFSET is 0xc0000000, RAM appears at 0xe0000000.
* If 0x80000000, then its exposed at 0xa0000000 on the bus. etc.
* The only requirement is that the RAM isn't placed at bus address 0 which
* The footbridge is programmed to expose the system RAM at 0xe0000000.
* The requirement is that the RAM isn't placed at bus address 0, which
* would clash with VGA cards.
*/
#define __virt_to_bus(x) ((x) - 0xe0000000)
#define __bus_to_virt(x) ((x) + 0xe0000000)
#define BUS_OFFSET 0xe0000000
#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET))
#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET))
#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - PHYS_OFFSET))
#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - PHYS_OFFSET))
#else

3
arch/arm/mach-integrator/include/mach/memory.h
View File

@ -28,6 +28,7 @@
#define BUS_OFFSET UL(0x80000000)
#define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET)
#define __bus_to_virt(x) ((x) - BUS_OFFSET + PAGE_OFFSET)
#define __pfn_to_bus(x) (((x) << PAGE_SHIFT) + BUS_OFFSET)
#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - PHYS_OFFSET))
#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - PHYS_OFFSET))
#endif

12
arch/arm/mach-ixp2000/include/mach/memory.h
View File

@ -17,11 +17,15 @@
#include <mach/ixp2000-regs.h>
#define __virt_to_bus(v) \
(((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)))
#define IXP2000_PCI_SDRAM_OFFSET (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)
#define __bus_to_virt(b) \
__phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0)))
#define __phys_to_bus(x) ((x) + (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
#define __bus_to_phys(x) ((x) - (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
#define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v))
#define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b))
#define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p))
#define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b))
#endif

17
arch/arm/mach-ixp23xx/include/mach/memory.h
View File

@ -19,16 +19,15 @@
*/
#define PHYS_OFFSET (0x00000000)
#define __virt_to_bus(v) \
({ unsigned int ret; \
ret = ((__virt_to_phys(v) - 0x00000000) + \
(*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)); \
ret; })
#define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0))
#define __bus_to_virt(b) \
({ unsigned int data; \
data = *((volatile int *)IXP23XX_PCI_SDRAM_BAR); \
__phys_to_virt((((b - (data & 0xfffffff0)) + 0x00000000))); })
#define __phys_to_bus(x) ((x) + (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
#define __bus_to_phys(x) ((x) - (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
#define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v))
#define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b))
#define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p))
#define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b))
#define arch_is_coherent() 1

8
arch/arm/mach-lh7a40x/clocks.c
View File

@ -7,8 +7,6 @@
* version 2 as published by the Free Software Foundation.
*
*/
#include <linux/cpufreq.h>
#include <mach/hardware.h>
#include <mach/clocks.h>
#include <linux/err.h>
@ -31,12 +29,6 @@ struct clk {
#define HCLKDIV(c) (((c) >> 0) & 0x02)
#define PCLKDIV(c) (((c) >> 16) & 0x03)
unsigned int cpufreq_get (unsigned int cpu) /* in kHz */
{
return fclkfreq_get ()/1000;
}
EXPORT_SYMBOL(cpufreq_get);
unsigned int fclkfreq_get (void)
{
unsigned int clkset = CSC_CLKSET;

2
arch/arm/mach-s3c24a0/include/mach/memory.h
View File

@ -15,5 +15,7 @@
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)
#define __pfn_to_bus(x) __pfn_to_phys(x)
#define __bus_to_pfn(x) __phys_to_pfn(x)
#endif

13
arch/arm/mach-sa1100/Kconfig
View File

@ -4,6 +4,7 @@ menu "SA11x0 Implementations"
config SA1100_ASSABET
bool "Assabet"
select CPU_FREQ_SA1110
help
Say Y here if you are using the Intel(R) StrongARM(R) SA-1110
Microprocessor Development Board (also known as the Assabet).
@ -19,6 +20,7 @@ config ASSABET_NEPONSET
config SA1100_CERF
bool "CerfBoard"
select CPU_FREQ_SA1110
help
The Intrinsyc CerfBoard is based on the StrongARM 1110 (Discontinued).
More information is available at:
@ -45,6 +47,7 @@ endchoice
config SA1100_COLLIE
bool "Sharp Zaurus SL5500"
# FIXME: select CPU_FREQ_SA11x0
select SHARP_LOCOMO
select SHARP_SCOOP
select SHARP_PARAM
@ -54,6 +57,7 @@ config SA1100_COLLIE
config SA1100_H3100
bool "Compaq iPAQ H3100"
select HTC_EGPIO
select CPU_FREQ_SA1100
help
Say Y here if you intend to run this kernel on the Compaq iPAQ
H3100 handheld computer. Information about this machine and the
@ -64,6 +68,7 @@ config SA1100_H3100
config SA1100_H3600
bool "Compaq iPAQ H3600/H3700"
select HTC_EGPIO
select CPU_FREQ_SA1100
help
Say Y here if you intend to run this kernel on the Compaq iPAQ
H3600 handheld computer. Information about this machine and the
@ -74,6 +79,7 @@ config SA1100_H3600
config SA1100_BADGE4
bool "HP Labs BadgePAD 4"
select SA1111
select CPU_FREQ_SA1100
help
Say Y here if you want to build a kernel for the HP Laboratories
BadgePAD 4.
@ -81,6 +87,7 @@ config SA1100_BADGE4
config SA1100_JORNADA720
bool "HP Jornada 720"
select SA1111
# FIXME: select CPU_FREQ_SA11x0
help
Say Y here if you want to build a kernel for the HP Jornada 720
handheld computer. See <http://www.hp.com/jornada/products/720>
@ -98,12 +105,14 @@ config SA1100_JORNADA720_SSP
config SA1100_HACKKIT
bool "HackKit Core CPU Board"
select CPU_FREQ_SA1100
help
Say Y here to support the HackKit Core CPU Board
<http://hackkit.eletztrick.de>;
config SA1100_LART
bool "LART"
select CPU_FREQ_SA1100
help
Say Y here if you are using the Linux Advanced Radio Terminal
(also known as the LART). See <http://www.lartmaker.nl/> for
@ -111,6 +120,7 @@ config SA1100_LART
config SA1100_PLEB
bool "PLEB"
select CPU_FREQ_SA1100
help
Say Y here if you are using version 1 of the Portable Linux
Embedded Board (also known as PLEB).
@ -119,6 +129,7 @@ config SA1100_PLEB
config SA1100_SHANNON
bool "Shannon"
select CPU_FREQ_SA1100
help
The Shannon (also known as a Tuxscreen, and also as a IS2630) was a
limited edition webphone produced by Philips. The Shannon is a SA1100
@ -127,6 +138,7 @@ config SA1100_SHANNON
config SA1100_SIMPAD
bool "Simpad"
select CPU_FREQ_SA1110
help
The SIEMENS webpad SIMpad is based on the StrongARM 1110. There
are two different versions CL4 and SL4. CL4 has 32MB RAM and 16MB
@ -145,3 +157,4 @@ config SA1100_SSP
endmenu
endif

12
arch/arm/mach-sa1100/generic.c
View File

@ -58,7 +58,6 @@ static const unsigned short cclk_frequency_100khz[NR_FREQS] = {
2802 /* 280.2 MHz */
};
#if defined(CONFIG_CPU_FREQ_SA1100) || defined(CONFIG_CPU_FREQ_SA1110)
/* rounds up(!) */
unsigned int sa11x0_freq_to_ppcr(unsigned int khz)
{
@ -110,17 +109,6 @@ unsigned int sa11x0_getspeed(unsigned int cpu)
return cclk_frequency_100khz[PPCR & 0xf] * 100;
}
#else
/*
* We still need to provide this so building without cpufreq works.
*/
unsigned int cpufreq_get(unsigned int cpu)
{
return cclk_frequency_100khz[PPCR & 0xf] * 100;
}
EXPORT_SYMBOL(cpufreq_get);
#endif
/*
* This is the SA11x0 sched_clock implementation. This has
* a resolution of 271ns, and a maximum value of 32025597s (370 days).

83
arch/arm/vfp/vfpmodule.c
View File

@ -38,16 +38,72 @@ union vfp_state *last_VFP_context[NR_CPUS];
*/
unsigned int VFP_arch;
/*
* Per-thread VFP initialization.
*/
static void vfp_thread_flush(struct thread_info *thread)
{
union vfp_state *vfp = &thread->vfpstate;
unsigned int cpu;
memset(vfp, 0, sizeof(union vfp_state));
vfp->hard.fpexc = FPEXC_EN;
vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
/*
* Disable VFP to ensure we initialize it first. We must ensure
* that the modification of last_VFP_context[] and hardware disable
* are done for the same CPU and without preemption.
*/
cpu = get_cpu();
if (last_VFP_context[cpu] == vfp)
last_VFP_context[cpu] = NULL;
fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
put_cpu();
}
static void vfp_thread_release(struct thread_info *thread)
{
/* release case: Per-thread VFP cleanup. */
union vfp_state *vfp = &thread->vfpstate;
unsigned int cpu = thread->cpu;
if (last_VFP_context[cpu] == vfp)
last_VFP_context[cpu] = NULL;
}
/*
* When this function is called with the following 'cmd's, the following
* is true while this function is being run:
* THREAD_NOFTIFY_SWTICH:
* - the previously running thread will not be scheduled onto another CPU.
* - the next thread to be run (v) will not be running on another CPU.
* - thread->cpu is the local CPU number
* - not preemptible as we're called in the middle of a thread switch
* THREAD_NOTIFY_FLUSH:
* - the thread (v) will be running on the local CPU, so
* v === current_thread_info()
* - thread->cpu is the local CPU number at the time it is accessed,
* but may change at any time.
* - we could be preempted if tree preempt rcu is enabled, so
* it is unsafe to use thread->cpu.
* THREAD_NOTIFY_RELEASE:
* - the thread (v) will not be running on any CPU; it is a dead thread.
* - thread->cpu will be the last CPU the thread ran on, which may not
* be the current CPU.
* - we could be preempted if tree preempt rcu is enabled.
*/
static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
{
struct thread_info *thread = v;
union vfp_state *vfp;
__u32 cpu = thread->cpu;
if (likely(cmd == THREAD_NOTIFY_SWITCH)) {
u32 fpexc = fmrx(FPEXC);
#ifdef CONFIG_SMP
unsigned int cpu = thread->cpu;
/*
* On SMP, if VFP is enabled, save the old state in
* case the thread migrates to a different CPU. The
@ -74,25 +130,10 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
return NOTIFY_DONE;
}
vfp = &thread->vfpstate;
if (cmd == THREAD_NOTIFY_FLUSH) {
/*
* Per-thread VFP initialisation.
*/
memset(vfp, 0, sizeof(union vfp_state));
vfp->hard.fpexc = FPEXC_EN;
vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
/*
* Disable VFP to ensure we initialise it first.
*/
fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
}
/* flush and release case: Per-thread VFP cleanup. */
if (last_VFP_context[cpu] == vfp)
last_VFP_context[cpu] = NULL;
if (cmd == THREAD_NOTIFY_FLUSH)
vfp_thread_flush(thread);
else
vfp_thread_release(thread);
return NOTIFY_DONE;
}

16
drivers/pcmcia/pxa2xx_base.c
View File

@ -253,6 +253,7 @@ int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt)
return soc_pcmcia_add_one(skt);
}
EXPORT_SYMBOL(pxa2xx_drv_pcmcia_add_one);
void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops)
{
@ -262,19 +263,19 @@ void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops)
ops->frequency_change = pxa2xx_pcmcia_frequency_change;
#endif
}
EXPORT_SYMBOL(pxa2xx_drv_pcmcia_ops);
int __pxa2xx_drv_pcmcia_probe(struct device *dev)
static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
{
int i, ret = 0;
struct pcmcia_low_level *ops;
struct skt_dev_info *sinfo;
struct soc_pcmcia_socket *skt;
if (!dev || !dev->platform_data)
ops = (struct pcmcia_low_level *)dev->dev.platform_data;
if (!ops)
return -ENODEV;
ops = (struct pcmcia_low_level *)dev->platform_data;
pxa2xx_drv_pcmcia_ops(ops);
sinfo = kzalloc(SKT_DEV_INFO_SIZE(ops->nr), GFP_KERNEL);
@ -309,13 +310,6 @@ int __pxa2xx_drv_pcmcia_probe(struct device *dev)
return ret;
}
EXPORT_SYMBOL(__pxa2xx_drv_pcmcia_probe);
static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
{
return __pxa2xx_drv_pcmcia_probe(&dev->dev);
}
static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev)
{

3
drivers/pcmcia/pxa2xx_base.h
View File

@ -1,6 +1,3 @@
/* temporary measure */
extern int __pxa2xx_drv_pcmcia_probe(struct device *);
int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt);
void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops);

2
drivers/pcmcia/pxa2xx_palmtc.c
View File

@ -67,7 +67,7 @@ static int palmtc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
if (ret)
goto err7;
skt->irq = IRQ_GPIO(GPIO_NR_PALMTC_PCMCIA_READY);
skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMTC_PCMCIA_READY);
return 0;
err7:

2
drivers/pcmcia/pxa2xx_stargate2.c
View File

@ -40,7 +40,7 @@ static struct pcmcia_irqs irqs[] = {
static int sg2_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
skt->irq = IRQ_GPIO(SG2_S0_GPIO_READY);
skt->socket.pci_irq = IRQ_GPIO(SG2_S0_GPIO_READY);
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
}