From d7ac4e28ccc63ed6b4d67bd9c4a67cb9533eeb45 Mon Sep 17 00:00:00 2001 From: Jean PIHET Date: Tue, 12 Aug 2008 19:07:39 +0100 Subject: [ARM] 5195/1: ARMv7 Oprofile support Add Oprofile kernel support for ARMv7. Tested on OMAP3430 and OMAP3530 chipsets (Cortex-A8). Signed-off-by: Jean Pihet Signed-off-by: Russell King --- arch/arm/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4b8acd2851f..91cf27c40d2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -178,6 +178,11 @@ config OPROFILE_MPCORE config OPROFILE_ARM11_CORE bool +config OPROFILE_ARMV7 + def_bool y + depends on CPU_V7 && !SMP + bool + endif config VECTORS_BASE -- cgit v1.2.3-70-g09d2 From ac9d7efc7da0d88f9e7a1e0f532da35b7673098e Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 18 Aug 2008 17:26:00 +0100 Subject: [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes, add cpuidle Signed-off-by: Russell King --- arch/arm/Kconfig | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 91cf27c40d2..c6b248d19c7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1005,9 +1005,9 @@ config ATAGS_PROC endmenu -if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA) +menu "CPU Power Management" -menu "CPU Frequency scaling" +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA) source "drivers/cpufreq/Kconfig" @@ -1047,10 +1047,12 @@ config CPU_FREQ_PXA default y select CPU_FREQ_DEFAULT_GOV_USERSPACE -endmenu - endif +source "drivers/cpuidle/Kconfig" + +endmenu + menu "Floating point emulation" comment "At least one emulation must be selected" @@ -1202,6 +1204,8 @@ source "drivers/power/Kconfig" source "drivers/hwmon/Kconfig" +source "drivers/thermal/Kconfig" + source "drivers/watchdog/Kconfig" source "drivers/ssb/Kconfig" @@ -1222,6 +1226,10 @@ source "drivers/usb/Kconfig" source "drivers/mmc/Kconfig" +source "drivers/memstick/Kconfig" + +source "drivers/accessibility/Kconfig" + source "drivers/leds/Kconfig" source "drivers/rtc/Kconfig" @@ -1230,6 +1238,8 @@ source "drivers/dma/Kconfig" source "drivers/dca/Kconfig" +source "drivers/auxdisplay/Kconfig" + source "drivers/regulator/Kconfig" source "drivers/uio/Kconfig" -- cgit v1.2.3-70-g09d2 From 8d5796d2ec6b5a4e7a52861144e63af438d6f8f7 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Mon, 25 Aug 2008 21:03:32 +0100 Subject: [ARM] 5222/1: Allow configuring user:kernel split via Kconfig This patch adds a config option (CONFIG_VMSPLIT_*) to allow choosing between 3:1, 2:2 and 1:3 user:kernel memory splits. Tested-by: Riku Voipio Signed-off-by: Lennert Buytenhek Signed-off-by: Russell King --- arch/arm/Kconfig | 24 +++++++++++++++++++++ arch/arm/include/asm/memory.h | 30 +++++++++----------------- arch/arm/mach-footbridge/include/mach/memory.h | 10 --------- arch/arm/mach-iop13xx/include/mach/memory.h | 3 --- 4 files changed, 34 insertions(+), 33 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c6b248d19c7..4eb816c4df7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -311,6 +311,7 @@ config ARCH_IOP13XX select PLAT_IOP select PCI select ARCH_SUPPORTS_MSI + select VMSPLIT_1G help Support for Intel's IOP13XX (XScale) family of processors. @@ -739,6 +740,29 @@ config SMP If you don't know what to do here, say N. +choice + prompt "Memory split" + default VMSPLIT_3G + help + Select the desired split between kernel and user memory. + + If you are not absolutely sure what you are doing, leave this + option alone! + + config VMSPLIT_3G + bool "3G/1G user/kernel split" + config VMSPLIT_2G + bool "2G/2G user/kernel split" + config VMSPLIT_1G + bool "1G/3G user/kernel split" +endchoice + +config PAGE_OFFSET + hex + default 0x40000000 if VMSPLIT_1G + default 0x80000000 if VMSPLIT_2G + default 0xC0000000 + config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index bf7c737c922..7e8d22fef29 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -13,43 +13,33 @@ #ifndef __ASM_ARM_MEMORY_H #define __ASM_ARM_MEMORY_H +#include +#include +#include +#include + /* * Allow for constants defined here to be used from assembly code * by prepending the UL suffix only with actual C code compilation. */ -#ifndef __ASSEMBLY__ -#define UL(x) (x##UL) -#else -#define UL(x) (x) -#endif - -#include -#include -#include +#define UL(x) _AC(x, UL) #ifdef CONFIG_MMU -#ifndef TASK_SIZE /* + * PAGE_OFFSET - the virtual address of the start of the kernel image * TASK_SIZE - the maximum size of a user space task. * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area */ -#define TASK_SIZE UL(0xbf000000) -#define TASK_UNMAPPED_BASE UL(0x40000000) -#endif +#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET) +#define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(0x01000000)) +#define TASK_UNMAPPED_BASE (UL(CONFIG_PAGE_OFFSET) / 3) /* * The maximum size of a 26-bit user space task. */ #define TASK_SIZE_26 UL(0x04000000) -/* - * Page offset: 3GB - */ -#ifndef PAGE_OFFSET -#define PAGE_OFFSET UL(0xc0000000) -#endif - /* * The module space lives between the addresses given by TASK_SIZE * and PAGE_OFFSET - it must be within 32MB of the kernel text. diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h index e9cae99dd1f..6ae2f1a07ab 100644 --- a/arch/arm/mach-footbridge/include/mach/memory.h +++ b/arch/arm/mach-footbridge/include/mach/memory.h @@ -42,10 +42,6 @@ extern unsigned long __bus_to_virt(unsigned long); #endif -/* Task size and page offset at 3GB */ -#define TASK_SIZE UL(0xbf000000) -#define PAGE_OFFSET UL(0xc0000000) - /* * Cache flushing area. */ @@ -56,12 +52,6 @@ extern unsigned long __bus_to_virt(unsigned long); */ #define PHYS_OFFSET UL(0x00000000) -/* - * This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ -#define TASK_UNMAPPED_BASE ((TASK_SIZE + 0x01000000) / 3) - #define FLUSH_BASE_PHYS 0x50000000 #endif diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index e8b59d8f1bb..a74b027432d 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h @@ -7,9 +7,6 @@ * Physical DRAM offset. */ #define PHYS_OFFSET UL(0x00000000) -#define TASK_SIZE UL(0x3f000000) -#define PAGE_OFFSET UL(0x40000000) -#define TASK_UNMAPPED_BASE ((TASK_SIZE + 0x01000000) / 3) #ifndef __ASSEMBLY__ -- cgit v1.2.3-70-g09d2 From 6b213e1bc27da6f6280386b1ff0e817e602c7b7a Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Mon, 16 Jun 2008 12:39:13 +0100 Subject: Remove redundant CONFIG_ARCH_SUPPORTS_AOUT We don't need this any more; arguably we never really did. Signed-off-by: David Woodhouse --- arch/alpha/Kconfig | 3 --- arch/arm/Kconfig | 3 --- arch/h8300/Kconfig | 3 --- arch/m32r/Kconfig | 3 --- arch/m68k/Kconfig | 3 --- arch/m68knommu/Kconfig | 3 --- arch/mn10300/Kconfig | 3 --- arch/parisc/Kconfig | 3 --- arch/um/Kconfig.i386 | 3 --- arch/um/Kconfig.x86_64 | 3 --- arch/x86/Kconfig | 5 +---- fs/Kconfig.binfmt | 3 +-- 12 files changed, 2 insertions(+), 36 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 1bec55d63ef..46f0ddfb78e 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -68,9 +68,6 @@ config AUTO_IRQ_AFFINITY depends on SMP default y -config ARCH_SUPPORTS_AOUT - def_bool y - source "init/Kconfig" diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 70dba166890..8803c39112b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -140,9 +140,6 @@ config GENERIC_CALIBRATE_DELAY bool default y -config ARCH_SUPPORTS_AOUT - def_bool y - config ARCH_MAY_HAVE_PC_FDC bool diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 396ab059efa..107cb5bb9f3 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -66,9 +66,6 @@ config TIME_LOW_RES bool default y -config ARCH_SUPPORTS_AOUT - def_bool y - config NO_IOPORT def_bool y diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index a5f864c445b..8a165cc1b73 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -36,9 +36,6 @@ config NO_IOPORT config NO_DMA def_bool y -config ARCH_SUPPORTS_AOUT - def_bool y - config HZ int default 100 diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 8c5e1de68fc..d42b996a24a 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -53,9 +53,6 @@ config NO_IOPORT config NO_DMA def_bool SUN3 -config ARCH_SUPPORTS_AOUT - def_bool y - config HZ int default 100 diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 2e7515e8db9..0a8998315e5 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -73,9 +73,6 @@ config GENERIC_CLOCKEVENTS config NO_IOPORT def_bool y -config ARCH_SUPPORTS_AOUT - def_bool y - source "init/Kconfig" menu "Processor type and features" diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index e856218da90..dd557c9cf00 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -53,9 +53,6 @@ config QUICKLIST config ARCH_HAS_ILOG2_U32 def_bool y -config ARCH_SUPPORTS_AOUT - def_bool n - # Use the generic interrupt handling code in kernel/irq/ config GENERIC_HARDIRQS def_bool y diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index a7d4fd353c2..8313fccced5 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -76,9 +76,6 @@ config IRQ_PER_CPU bool default y -config ARCH_SUPPORTS_AOUT - def_bool y - # unless you want to implement ACPI on PA-RISC ... ;-) config PM bool diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386 index e09edfa560d..2a44e5c0a3b 100644 --- a/arch/um/Kconfig.i386 +++ b/arch/um/Kconfig.i386 @@ -42,6 +42,3 @@ config ARCH_REUSE_HOST_VSYSCALL_AREA config GENERIC_HWEIGHT bool default y - -config ARCH_SUPPORTS_AOUT - def_bool y diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64 index 5696e7b374b..40b3407cfe1 100644 --- a/arch/um/Kconfig.x86_64 +++ b/arch/um/Kconfig.x86_64 @@ -37,6 +37,3 @@ config SMP_BROKEN config GENERIC_HWEIGHT bool default y - -config ARCH_SUPPORTS_AOUT - def_bool y diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ed92864d132..2e8fa40b3cd 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -151,9 +151,6 @@ config AUDIT_ARCH bool default X86_64 -config ARCH_SUPPORTS_AOUT - def_bool y - config ARCH_SUPPORTS_OPTIMIZED_INLINING def_bool y @@ -1759,7 +1756,7 @@ config IA32_EMULATION config IA32_AOUT tristate "IA32 a.out support" - depends on IA32_EMULATION && ARCH_SUPPORTS_AOUT + depends on IA32_EMULATION help Support old a.out binaries in the 32bit emulation. diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 4a551af6f3f..e4df913025d 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -61,8 +61,7 @@ config BINFMT_SHARED_FLAT config BINFMT_AOUT tristate "Kernel support for a.out and ECOFF binaries" - depends on ARCH_SUPPORTS_AOUT && \ - (X86_32 || ALPHA || ARM || M68K) + depends on (X86_32 || ALPHA || ARM || M68K) ---help--- A.out (Assembler.OUTput) is a set of formats for libraries and executables used in the earliest versions of UNIX. Linux used -- cgit v1.2.3-70-g09d2 From e17c6d56160e4fb9e8c2830e30cc9741d4309989 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 17 Jun 2008 12:19:34 +0100 Subject: Introduce HAVE_AOUT symbol to remove hard-coded arch list for BINFMT_AOUT HAVE_AOUT doesn't quite do the same thing as the recently removed ARCH_SUPPORTS_AOUT config option. That was set even on platforms where binfmt_aout isn't supported, although it's not entirely clear why. So it's best just to introduce a new symbol, handled consistently with other similar HAVE_xxx symbols; with a simple 'select' in the arch Kconfig. Signed-off-by: David Woodhouse --- arch/alpha/Kconfig | 1 + arch/arm/Kconfig | 1 + arch/m68k/Kconfig | 1 + arch/um/Kconfig.i386 | 5 +++-- arch/x86/Kconfig | 1 + fs/Kconfig.binfmt | 5 ++++- 6 files changed, 11 insertions(+), 3 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 46f0ddfb78e..ee35226c44e 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -5,6 +5,7 @@ config ALPHA bool default y + select HAVE_AOUT select HAVE_IDE select HAVE_OPROFILE help diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8803c39112b..2f7ef54ef3a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -8,6 +8,7 @@ mainmenu "Linux Kernel Configuration" config ARM bool default y + select HAVE_AOUT select HAVE_IDE select RTC_LIB select SYS_SUPPORTS_APM_EMULATION diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index d42b996a24a..41e5bf02e23 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -5,6 +5,7 @@ config M68K bool default y + select HAVE_AOUT select HAVE_IDE config MMU diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386 index 2a44e5c0a3b..1f57c113df6 100644 --- a/arch/um/Kconfig.i386 +++ b/arch/um/Kconfig.i386 @@ -9,8 +9,9 @@ config UML_X86 default y config X86_32 - bool - default y + bool + default y + select HAVE_AOUT config RWSEM_XCHGADD_ALGORITHM def_bool y diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2e8fa40b3cd..59b1d65a85e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -18,6 +18,7 @@ config X86_64 ### Arch settings config X86 def_bool y + select HAVE_AOUT if X86_32 select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_IDE select HAVE_OPROFILE diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index e4df913025d..17c9c5ec14c 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -59,9 +59,12 @@ config BINFMT_SHARED_FLAT help Support FLAT shared libraries +config HAVE_AOUT + def_bool n + config BINFMT_AOUT tristate "Kernel support for a.out and ECOFF binaries" - depends on (X86_32 || ALPHA || ARM || M68K) + depends on HAVE_AOUT ---help--- A.out (Assembler.OUTput) is a set of formats for libraries and executables used in the earliest versions of UNIX. Linux used -- cgit v1.2.3-70-g09d2 From dce1115bc32d66237102a4c925e1e0a5e82b9945 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Sep 2008 23:41:04 -0700 Subject: ARM: DaVinci: SOC GPIOs use gpiolib Switch DaVinci SOC gpios over to using the new GPIO library, so it can access GPIO expanders and other non-SOC GPIOs using the same calls. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/Kconfig | 1 + arch/arm/mach-davinci/gpio.c | 133 ++++++++++++++++-------------- arch/arm/mach-davinci/include/mach/gpio.h | 73 ++++++++-------- 3 files changed, 106 insertions(+), 101 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 70dba166890..ea3c858d753 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -515,6 +515,7 @@ config ARCH_DAVINCI select GENERIC_TIME select GENERIC_CLOCKEVENTS select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select HAVE_CLK help Support for TI's DaVinci platform. diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index c9cb4f09b18..3ebbacdd6db 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -1,7 +1,7 @@ /* * TI DaVinci GPIO Support * - * Copyright (c) 2006 David Brownell + * Copyright (c) 2006-2007 David Brownell * Copyright (c) 2007, MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify @@ -26,47 +26,45 @@ #include -static DEFINE_SPINLOCK(gpio_lock); -static DECLARE_BITMAP(gpio_in_use, DAVINCI_N_GPIO); -int gpio_request(unsigned gpio, const char *tag) -{ - if (gpio >= DAVINCI_N_GPIO) - return -EINVAL; +static DEFINE_SPINLOCK(gpio_lock); - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; +struct davinci_gpio { + struct gpio_chip chip; + struct gpio_controller *__iomem regs; +}; - return 0; -} -EXPORT_SYMBOL(gpio_request); +static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)]; -void gpio_free(unsigned gpio) -{ - if (gpio >= DAVINCI_N_GPIO) - return; - - clear_bit(gpio, gpio_in_use); -} -EXPORT_SYMBOL(gpio_free); /* create a non-inlined version */ -static struct gpio_controller *__iomem gpio2controller(unsigned gpio) +static struct gpio_controller *__iomem __init gpio2controller(unsigned gpio) { return __gpio_to_controller(gpio); } + +/*--------------------------------------------------------------------------*/ + /* - * Assuming the pin is muxed as a gpio output, set its output value. + * board setup code *MUST* set PINMUX0 and PINMUX1 as + * needed, and enable the GPIO clock. */ -void __gpio_set(unsigned gpio, int value) + +static int davinci_direction_in(struct gpio_chip *chip, unsigned offset) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; + u32 temp; - __raw_writel(__gpio_mask(gpio), value ? &g->set_data : &g->clr_data); -} -EXPORT_SYMBOL(__gpio_set); + spin_lock(&gpio_lock); + temp = __raw_readl(&g->dir); + temp |= (1 << offset); + __raw_writel(temp, &g->dir); + spin_unlock(&gpio_lock); + return 0; +} /* * Read the pin's value (works even if it's set up as output); @@ -75,61 +73,72 @@ EXPORT_SYMBOL(__gpio_set); * Note that changes are synched to the GPIO clock, so reading values back * right after you've set them may give old values. */ -int __gpio_get(unsigned gpio) +static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; - return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data)); + return (1 << offset) & __raw_readl(&g->in_data); } -EXPORT_SYMBOL(__gpio_get); - -/*--------------------------------------------------------------------------*/ - -/* - * board setup code *MUST* set PINMUX0 and PINMUX1 as - * needed, and enable the GPIO clock. - */ - -int gpio_direction_input(unsigned gpio) +static int +davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; u32 temp; - u32 mask; - - if (!g) - return -EINVAL; + u32 mask = 1 << offset; spin_lock(&gpio_lock); - mask = __gpio_mask(gpio); temp = __raw_readl(&g->dir); - temp |= mask; + temp &= ~mask; + __raw_writel(mask, value ? &g->set_data : &g->clr_data); __raw_writel(temp, &g->dir); spin_unlock(&gpio_lock); return 0; } -EXPORT_SYMBOL(gpio_direction_input); -int gpio_direction_output(unsigned gpio, int value) +/* + * Assuming the pin is muxed as a gpio output, set its output value. + */ +static void +davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_controller *__iomem g = gpio2controller(gpio); - u32 temp; - u32 mask; + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; - if (!g) - return -EINVAL; + __raw_writel((1 << offset), value ? &g->set_data : &g->clr_data); +} + +static int __init davinci_gpio_setup(void) +{ + int i, base; + + for (i = 0, base = 0; + i < ARRAY_SIZE(chips); + i++, base += 32) { + chips[i].chip.label = "DaVinci"; + + chips[i].chip.direction_input = davinci_direction_in; + chips[i].chip.get = davinci_gpio_get; + chips[i].chip.direction_output = davinci_direction_out; + chips[i].chip.set = davinci_gpio_set; + + chips[i].chip.base = base; + chips[i].chip.ngpio = DAVINCI_N_GPIO - base; + if (chips[i].chip.ngpio > 32) + chips[i].chip.ngpio = 32; + + chips[i].regs = gpio2controller(base); + + gpiochip_add(&chips[i].chip); + } - spin_lock(&gpio_lock); - mask = __gpio_mask(gpio); - temp = __raw_readl(&g->dir); - temp &= ~mask; - __raw_writel(mask, value ? &g->set_data : &g->clr_data); - __raw_writel(temp, &g->dir); - spin_unlock(&gpio_lock); return 0; } -EXPORT_SYMBOL(gpio_direction_output); +pure_initcall(davinci_gpio_setup); +/*--------------------------------------------------------------------------*/ /* * We expect irqs will normally be set up as input pins, but they can also be * used as output pins ... which is convenient for testing. diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index ec151ccf1e8..b3a2961f0f4 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -14,6 +14,7 @@ #define __DAVINCI_GPIO_H #include +#include #include /* @@ -27,13 +28,16 @@ * need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are * used as gpios, not with other peripherals. * - * GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, and maybe - * for later updates, code should write GPIO(N) or: + * On-chip GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, + * and maybe for later updates, code should write GPIO(N) or: * - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53) * - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70) * * For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc * for now, that's != GPIO(N) + * + * GPIOs can also be on external chips, numbered after the ones built-in + * to the DaVinci chip. For now, they won't be usable as IRQ sources. */ #define GPIO(X) (X) /* 0 <= X <= 70 */ #define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */ @@ -67,11 +71,11 @@ __gpio_to_controller(unsigned gpio) void *__iomem ptr; if (gpio < 32) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); else if (gpio < 64) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); else if (gpio < DAVINCI_N_GPIO) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); else ptr = NULL; return ptr; @@ -83,25 +87,17 @@ static inline u32 __gpio_mask(unsigned gpio) } /* The get/set/clear functions will inline when called with constant - * parameters, for low-overhead bitbanging. Illegal constant parameters - * cause link-time errors. + * parameters referencing built-in GPIOs, for low-overhead bitbanging. * - * Otherwise, calls with variable parameters use outlined functions. + * Otherwise, calls with variable parameters or referencing external + * GPIOs (e.g. on GPIO expander chips) use outlined functions. */ -extern int __error_inval_gpio(void); - -extern void __gpio_set(unsigned gpio, int value); -extern int __gpio_get(unsigned gpio); - static inline void gpio_set_value(unsigned gpio, int value) { - if (__builtin_constant_p(value)) { + if (__builtin_constant_p(value) && gpio < DAVINCI_N_GPIO) { struct gpio_controller *__iomem g; u32 mask; - if (gpio >= DAVINCI_N_GPIO) - __error_inval_gpio(); - g = __gpio_to_controller(gpio); mask = __gpio_mask(gpio); if (value) @@ -111,48 +107,47 @@ static inline void gpio_set_value(unsigned gpio, int value) return; } - __gpio_set(gpio, value); + __gpio_set_value(gpio, value); } /* Returns zero or nonzero; works for gpios configured as inputs OR - * as outputs. + * as outputs, at least for built-in GPIOs. * - * NOTE: changes in reported values are synchronized to the GPIO clock. - * This is most easily seen after calling gpio_set_value() and then immediatly - * gpio_get_value(), where the gpio_get_value() would return the old value - * until the GPIO clock ticks and the new value gets latched. + * NOTE: for built-in GPIOs, changes in reported values are synchronized + * to the GPIO clock. This is easily seen after calling gpio_set_value() + * and then immediately gpio_get_value(), where the gpio_get_value() will + * return the old value until the GPIO clock ticks and the new value gets + * latched. */ - static inline int gpio_get_value(unsigned gpio) { - struct gpio_controller *__iomem g; - - if (!__builtin_constant_p(gpio)) - return __gpio_get(gpio); + struct gpio_controller *__iomem g; - if (gpio >= DAVINCI_N_GPIO) - return __error_inval_gpio(); + if (!__builtin_constant_p(gpio) || gpio >= DAVINCI_N_GPIO) + return __gpio_get_value(gpio); g = __gpio_to_controller(gpio); - return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data)); + return __gpio_mask(gpio) & __raw_readl(&g->in_data); } -/* powerup default direction is IN */ -extern int gpio_direction_input(unsigned gpio); -extern int gpio_direction_output(unsigned gpio, int value); - -#include /* cansleep wrappers */ - -extern int gpio_request(unsigned gpio, const char *tag); -extern void gpio_free(unsigned gpio); +static inline int gpio_cansleep(unsigned gpio) +{ + if (__builtin_constant_p(gpio) && gpio < DAVINCI_N_GPIO) + return 0; + else + return __gpio_cansleep(gpio); +} static inline int gpio_to_irq(unsigned gpio) { + if (gpio >= DAVINCI_N_GPIO) + return -EINVAL; return DAVINCI_N_AINTC_IRQ + gpio; } static inline int irq_to_gpio(unsigned irq) { + /* caller guarantees gpio_to_irq() succeeded */ return irq - DAVINCI_N_AINTC_IRQ; } -- cgit v1.2.3-70-g09d2 From d323ade13b959dfcf14bf18902b600c5cc711dea Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Fri, 29 Aug 2008 06:55:06 +0200 Subject: [ARM] Orion: add 88F6183 (Orion-1-90) support The Orion-1-90 (88F6183) is another member of the Orion SoC family, which has a 16 bit DDR2 interface, one x1 PCIe port (configurable as Root Complex or Endpoint), one 10/100/1000 ethernet interface, one USB 2.0 port with PHY, one SPDIF/I2S interface, one SDIO interface, one TWSI interface, two UARTs, one SPI interface, a NAND controller, a crypto engine, and a 4-channel DMA engine. Signed-off-by: Lennert Buytenhek --- arch/arm/Kconfig | 2 +- arch/arm/mach-orion5x/common.c | 47 ++++++++++++++++++++++++++++ arch/arm/mach-orion5x/common.h | 1 + arch/arm/mach-orion5x/include/mach/orion5x.h | 6 +++- 4 files changed, 54 insertions(+), 2 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4b8acd2851f..2835fb5d21e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -434,7 +434,7 @@ config ARCH_ORION5X help Support for the following Marvell Orion 5x series SoCs: Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), - Orion-2 (5281). + Orion-2 (5281), Orion-1-90 (6183). config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 8a8b089b8b7..9625ef5975d 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -270,6 +271,38 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) } +/***************************************************************************** + * SPI + ****************************************************************************/ +static struct orion_spi_info orion5x_spi_plat_data = { + .tclk = 0, +}; + +static struct resource orion5x_spi_resources[] = { + { + .name = "spi base", + .start = SPI_PHYS_BASE, + .end = SPI_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device orion5x_spi = { + .name = "orion_spi", + .id = 0, + .dev = { + .platform_data = &orion5x_spi_plat_data, + }, + .num_resources = ARRAY_SIZE(orion5x_spi_resources), + .resource = orion5x_spi_resources, +}; + +void __init orion5x_spi_init() +{ + platform_device_register(&orion5x_spi); +} + + /***************************************************************************** * UART0 ****************************************************************************/ @@ -462,6 +495,13 @@ int orion5x_tclk; int __init orion5x_find_tclk(void) { + u32 dev, rev; + + orion5x_pcie_id(&dev, &rev); + if (dev == MV88F6183_DEV_ID && + (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0) + return 133333333; + return 166666667; } @@ -510,6 +550,12 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) } else { *dev_name = "MV88F5181(L)-Rev-Unsupported"; } + } else if (*dev == MV88F6183_DEV_ID) { + if (*rev == MV88F6183_REV_B0) { + *dev_name = "MV88F6183-Rev-B0"; + } else { + *dev_name = "MV88F6183-Rev-Unsupported"; + } } else { *dev_name = "Device-Unknown"; } @@ -524,6 +570,7 @@ void __init orion5x_init(void) printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk); orion5x_eth_shared_data.t_clk = orion5x_tclk; + orion5x_spi_plat_data.tclk = orion5x_tclk; orion5x_uart0_data[0].uartclk = orion5x_tclk; orion5x_uart1_data[0].uartclk = orion5x_tclk; diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index c8598cc7cd5..af9588d23f2 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -31,6 +31,7 @@ void orion5x_ehci1_init(void); void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data); void orion5x_i2c_init(void); void orion5x_sata_init(struct mv_sata_platform_data *sata_data); +void orion5x_spi_init(void); void orion5x_uart0_init(void); void orion5x_uart1_init(void); void orion5x_xor_init(void); diff --git a/arch/arm/mach-orion5x/include/mach/orion5x.h b/arch/arm/mach-orion5x/include/mach/orion5x.h index 61eb74a8886..e67c843baa0 100644 --- a/arch/arm/mach-orion5x/include/mach/orion5x.h +++ b/arch/arm/mach-orion5x/include/mach/orion5x.h @@ -2,7 +2,7 @@ * arch/arm/mach-orion5x/include/mach/orion5x.h * * Generic definitions of Orion SoC flavors: - * Orion-1, Orion-VoIP, Orion-NAS, and Orion-2. + * Orion-1, Orion-VoIP, Orion-NAS, Orion-2, and Orion-1-90. * * Maintainer: Tzachi Perelstein * @@ -76,6 +76,9 @@ #define MV88F5281_REV_D0 4 #define MV88F5281_REV_D1 5 #define MV88F5281_REV_D2 6 +/* Orion-1-90 (88F6183) */ +#define MV88F6183_DEV_ID 0x6183 +#define MV88F6183_REV_B0 3 /******************************************************************************* * Orion Registers Map @@ -86,6 +89,7 @@ #define ORION5X_DEV_BUS_PHYS_BASE (ORION5X_REGS_PHYS_BASE | 0x10000) #define ORION5X_DEV_BUS_VIRT_BASE (ORION5X_REGS_VIRT_BASE | 0x10000) #define ORION5X_DEV_BUS_REG(x) (ORION5X_DEV_BUS_VIRT_BASE | (x)) +#define SPI_PHYS_BASE (ORION5X_DEV_BUS_PHYS_BASE | 0x0600) #define I2C_PHYS_BASE (ORION5X_DEV_BUS_PHYS_BASE | 0x1000) #define UART0_PHYS_BASE (ORION5X_DEV_BUS_PHYS_BASE | 0x2000) #define UART0_VIRT_BASE (ORION5X_DEV_BUS_VIRT_BASE | 0x2000) -- cgit v1.2.3-70-g09d2 From 07f841b7c587a3cbf481509be09ba5eda05f8d31 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 1 Oct 2008 17:11:06 +0100 Subject: [ARM] mm: enable sparsemem on clps7500 and RiscPC Signed-off-by: Russell King --- arch/arm/Kconfig | 2 ++ arch/arm/include/asm/sparsemem.h | 20 +++++++++++++++++--- arch/arm/mach-clps7500/include/mach/memory.h | 8 ++++++++ arch/arm/mach-rpc/include/mach/memory.h | 8 ++++++++ 4 files changed, 35 insertions(+), 3 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4eb816c4df7..83106c98755 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -250,6 +250,7 @@ config ARCH_CLPS7500 select TIMER_ACORN select ISA select NO_IOPORT + select ARCH_SPARSEMEM_ENABLE help Support for the Cirrus Logic PS7500FE system-on-a-chip. @@ -470,6 +471,7 @@ config ARCH_RPC select HAVE_PATA_PLATFORM select ISA_DMA_API select NO_IOPORT + select ARCH_SPARSEMEM_ENABLE help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. diff --git a/arch/arm/include/asm/sparsemem.h b/arch/arm/include/asm/sparsemem.h index 277158191a0..00098615c6f 100644 --- a/arch/arm/include/asm/sparsemem.h +++ b/arch/arm/include/asm/sparsemem.h @@ -3,8 +3,22 @@ #include -#define MAX_PHYSADDR_BITS 32 -#define MAX_PHYSMEM_BITS 32 -#define SECTION_SIZE_BITS NODE_MEM_SIZE_BITS +/* + * Two definitions are required for sparsemem: + * + * MAX_PHYSMEM_BITS: The number of physical address bits required + * to address the last byte of memory. + * + * SECTION_SIZE_BITS: The number of physical address bits to cover + * the maximum amount of memory in a section. + * + * Eg, if you have 2 banks of up to 64MB at 0x80000000, 0x84000000, + * then MAX_PHYSMEM_BITS is 32, SECTION_SIZE_BITS is 26. + * + * Define these in your mach/memory.h. + */ +#if !defined(SECTION_SIZE_BITS) || !defined(MAX_PHYSMEM_BITS) +#error Sparsemem is not supported on this platform +#endif #endif diff --git a/arch/arm/mach-clps7500/include/mach/memory.h b/arch/arm/mach-clps7500/include/mach/memory.h index 3326aa99d3e..87b32db470c 100644 --- a/arch/arm/mach-clps7500/include/mach/memory.h +++ b/arch/arm/mach-clps7500/include/mach/memory.h @@ -32,4 +32,12 @@ #define FLUSH_BASE_PHYS 0x00000000 #define FLUSH_BASE 0xdf000000 +/* + * Sparsemem support. Each section is a maximum of 64MB. The sections + * are offset by 128MB and can cover 128MB, so that gives us a maximum + * of 29 physmem bits. + */ +#define MAX_PHYSMEM_BITS 29 +#define SECTION_SIZE_BITS 26 + #endif diff --git a/arch/arm/mach-rpc/include/mach/memory.h b/arch/arm/mach-rpc/include/mach/memory.h index 05425d558ee..9bf7e43e286 100644 --- a/arch/arm/mach-rpc/include/mach/memory.h +++ b/arch/arm/mach-rpc/include/mach/memory.h @@ -36,4 +36,12 @@ #define FLUSH_BASE_PHYS 0x00000000 #define FLUSH_BASE 0xdf000000 +/* + * Sparsemem support. Each section is a maximum of 64MB. The sections + * are offset by 128MB and can cover 128MB, so that gives us a maximum + * of 29 physmem bits. + */ +#define MAX_PHYSMEM_BITS 29 +#define SECTION_SIZE_BITS 26 + #endif -- cgit v1.2.3-70-g09d2 From ee93916efe22f767628f9d25abb8ad8548797336 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 1 Oct 2008 21:03:21 +0100 Subject: [ARM] mm: switch SA1100 to use sparsemem Tested on Assabet, and Assabet with Neponset's SDRAM at 3328M phys. Signed-off-by: Russell King --- arch/arm/Kconfig | 2 -- arch/arm/mach-sa1100/include/mach/memory.h | 16 +++++++--------- 2 files changed, 7 insertions(+), 11 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 83106c98755..b21c93a5f92 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -479,9 +479,7 @@ config ARCH_RPC config ARCH_SA1100 bool "SA1100-based" select ISA - select ARCH_DISCONTIGMEM_ENABLE select ARCH_SPARSEMEM_ENABLE - select ARCH_SELECT_MEMORY_MODEL select ARCH_MTD_XIP select GENERIC_GPIO select GENERIC_TIME diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h index 29f639e2afc..1c127b68581 100644 --- a/arch/arm/mach-sa1100/include/mach/memory.h +++ b/arch/arm/mach-sa1100/include/mach/memory.h @@ -40,23 +40,21 @@ void sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes); #define __bus_to_virt(x) __phys_to_virt(x) /* - * Because of the wide memory address space between physical RAM banks on the - * SA1100, it's much convenient to use Linux's NUMA support to implement our - * memory map representation. Assuming all memory nodes have equal access + * Because of the wide memory address space between physical RAM banks on the + * SA1100, it's much convenient to use Linux's SparseMEM support to implement + * our memory map representation. Assuming all memory nodes have equal access * characteristics, we then have generic discontiguous memory support. * - * Of course, all this isn't mandatory for SA1100 implementations with only - * one used memory bank. For those, simply undefine CONFIG_DISCONTIGMEM. - * - * The nodes are matched with the physical memory bank addresses which are - * incidentally the same as virtual addresses. + * The sparsemem banks are matched with the physical memory bank addresses + * which are incidentally the same as virtual addresses. * * node 0: 0xc0000000 - 0xc7ffffff * node 1: 0xc8000000 - 0xcfffffff * node 2: 0xd0000000 - 0xd7ffffff * node 3: 0xd8000000 - 0xdfffffff */ -#define NODE_MEM_SIZE_BITS 27 +#define MAX_PHYSMEM_BITS 32 +#define SECTION_SIZE_BITS 27 /* * Cache flushing area - SA1100 zero bank -- cgit v1.2.3-70-g09d2 From 07a2f737ba1d73ace591dd03c512bb0dd63f6785 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 1 Oct 2008 21:39:58 +0100 Subject: [ARM] mm: deprecate discontigmem on ARM Signed-off-by: Russell King --- arch/arm/Kconfig | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b21c93a5f92..ef218ea3010 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -839,6 +839,7 @@ config OABI_COMPAT UNPREDICTABLE (in fact it can be predicted that it won't work at all). If in doubt say Y. +# Discontigmem is deprecated config ARCH_DISCONTIGMEM_ENABLE bool default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) @@ -851,8 +852,11 @@ config ARCH_DISCONTIGMEM_ENABLE config ARCH_SPARSEMEM_ENABLE bool +config ARCH_SPARSEMEM_DEFAULT + def_bool ARCH_SPARSEMEM_ENABLE + config ARCH_SELECT_MEMORY_MODEL - bool + def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE config NODES_SHIFT int -- cgit v1.2.3-70-g09d2 From 4ba3f7c55938d7e51e23c1feedd035dd46716ae7 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 1 Oct 2008 21:38:23 +0100 Subject: [ARM] mm: allow LH7A40x to use sparsemem Enable Sparsemem support for LH7A40x SoCs, while still allowing the existing discontig support for the time being. Signed-off-by: Russell King --- arch/arm/Kconfig | 8 ++------ arch/arm/mach-lh7a40x/Kconfig | 13 ++++++------- arch/arm/mach-lh7a40x/include/mach/memory.h | 6 ++++++ 3 files changed, 14 insertions(+), 13 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ef218ea3010..f5bf38b5f38 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -510,6 +510,8 @@ config ARCH_SHARK config ARCH_LH7A40X bool "Sharp LH7A40X" + select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM + select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM help Say Y here for systems based on one of the Sharp LH7A40X System on a Chip processors. These CPUs include an ARM922T @@ -842,12 +844,6 @@ config OABI_COMPAT # Discontigmem is deprecated config ARCH_DISCONTIGMEM_ENABLE bool - default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) - help - Say Y to support efficient handling of discontiguous physical memory, - for architectures which are either NUMA (Non-Uniform Memory Access) - or have huge holes in the physical address space for other reasons. - See for more. config ARCH_SPARSEMEM_ENABLE bool diff --git a/arch/arm/mach-lh7a40x/Kconfig b/arch/arm/mach-lh7a40x/Kconfig index 6f4c6a1798c..9be7466e346 100644 --- a/arch/arm/mach-lh7a40x/Kconfig +++ b/arch/arm/mach-lh7a40x/Kconfig @@ -40,23 +40,22 @@ config LPD7A40X_CPLD_SSP bool config LH7A40X_CONTIGMEM - bool "Disable NUMA Support" - depends on ARCH_LH7A40X + bool "Disable NUMA/SparseMEM Support" help Say Y here if your bootloader sets the SROMLL bit(s) in the SDRAM controller, organizing memory as a contiguous - array. This option will disable CONFIG_DISCONTIGMEM and - force the kernel to manage all memory in one node. + array. This option will disable sparse memory support + and force the kernel to manage all memory in one node. - Setting this option incorrectly may prevent the kernel from - booting. It is OK to leave it N. + Setting this option incorrectly may prevent the kernel + from booting. It is OK to leave it N. For more information, consult . config LH7A40X_ONE_BANK_PER_NODE bool "Optimize NUMA Node Tables for Size" - depends on ARCH_LH7A40X && !LH7A40X_CONTIGMEM + depends on !LH7A40X_CONTIGMEM help Say Y here to produce compact memory node tables. By default pairs of adjacent physical RAM banks are managed diff --git a/arch/arm/mach-lh7a40x/include/mach/memory.h b/arch/arm/mach-lh7a40x/include/mach/memory.h index f7107b4c197..1da14ff66c9 100644 --- a/arch/arm/mach-lh7a40x/include/mach/memory.h +++ b/arch/arm/mach-lh7a40x/include/mach/memory.h @@ -73,4 +73,10 @@ #endif +/* + * Sparsemem version of the above + */ +#define MAX_PHYSMEM_BITS 32 +#define SECTION_SIZE_BITS 24 + #endif -- cgit v1.2.3-70-g09d2 From 2532967147f750fa661bdc3d1f890314c37dda28 Mon Sep 17 00:00:00 2001 From: Jürgen Schindele Date: Tue, 16 Sep 2008 21:36:30 +0100 Subject: [ARM] 5251/1: remove old LED support for Trizeps4 SOM MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Remove the old led support in arch/arm/mach-pxa/leds... for TRIZEPS4 SOM. It is / will be replaced by generic led driver drivers/leds/... Signed-off-by: Jürgen Schindele Acked-by: Eric Miao Signed-off-by: Russell King --- arch/arm/Kconfig | 2 +- arch/arm/mach-pxa/Makefile | 1 - arch/arm/mach-pxa/leds-trizeps4.c | 134 -------------------------------------- arch/arm/mach-pxa/leds.c | 2 - 4 files changed, 1 insertion(+), 138 deletions(-) delete mode 100644 arch/arm/mach-pxa/leds-trizeps4.c (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4b8acd2851f..825ec2f646a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -840,7 +840,7 @@ config LEDS ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ - ARCH_AT91 || MACH_TRIZEPS4 || ARCH_DAVINCI || \ + ARCH_AT91 || ARCH_DAVINCI || \ ARCH_KS8695 || MACH_RD88F5182 help If you say Y here, the LEDs on your machine will be used diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 99ecbe7f850..03ec32f8ceb 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -61,7 +61,6 @@ led-y := leds.o led-$(CONFIG_ARCH_LUBBOCK) += leds-lubbock.o led-$(CONFIG_MACH_MAINSTONE) += leds-mainstone.o led-$(CONFIG_ARCH_PXA_IDP) += leds-idp.o -led-$(CONFIG_MACH_TRIZEPS4) += leds-trizeps4.o obj-$(CONFIG_LEDS) += $(led-y) diff --git a/arch/arm/mach-pxa/leds-trizeps4.c b/arch/arm/mach-pxa/leds-trizeps4.c deleted file mode 100644 index 3bc29007df3..00000000000 --- a/arch/arm/mach-pxa/leds-trizeps4.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * linux/arch/arm/mach-pxa/leds-trizeps4.c - * - * Author: Jürgen Schindele - * Created: 20 02, 2006 - * Copyright: Jürgen Schindele - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include - -#include -#include -#include -#include - -#include -#include -#include - -#include "leds.h" - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -#define SYS_BUSY 0x01 -#define HEARTBEAT 0x02 -#define BLINK 0x04 - -static unsigned int led_state; -static unsigned int hw_led_state; - -void trizeps4_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch (evt) { - case led_start: - hw_led_state = 0; - pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */ - pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */ - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = 0; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = 0; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - hw_led_state ^= HEARTBEAT; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - hw_led_state &= ~SYS_BUSY; - break; - - case led_idle_end: - hw_led_state |= SYS_BUSY; - break; -#endif - - case led_halted: - break; - - case led_green_on: - hw_led_state |= BLINK; - break; - - case led_green_off: - hw_led_state &= ~BLINK; - break; - - case led_amber_on: - break; - - case led_amber_off: - break; - - case led_red_on: - break; - - case led_red_off: - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) { - switch (hw_led_state) { - case 0: - GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); - GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); - break; - case 1: - GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); - GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); - break; - case 2: - GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); - GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); - break; - case 3: - GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); - GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); - break; - } - } - else { - /* turn all off */ - GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); - GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); - } - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-pxa/leds.c b/arch/arm/mach-pxa/leds.c index e13eb841e48..bbe4d5f6afa 100644 --- a/arch/arm/mach-pxa/leds.c +++ b/arch/arm/mach-pxa/leds.c @@ -24,8 +24,6 @@ pxa_leds_init(void) leds_event = mainstone_leds_event; if (machine_is_pxa_idp()) leds_event = idp_leds_event; - if (machine_is_trizeps4()) - leds_event = trizeps4_leds_event; leds_event(led_start); return 0; -- cgit v1.2.3-70-g09d2 From 3bca103a1e658d23737d20e1989139d9ca8973bf Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 7 Oct 2008 20:14:55 +0100 Subject: [ARM] 5295/1: make ZONE_DMA optional Most ARM machines don't need a special "DMA" memory zone, and when configured out, the kernel becomes a bit smaller: | text data bss dec hex filename |3826182 102384 111700 4040266 3da64a vmlinux |3823593 101616 111700 4036909 3d992d vmlinux.nodmazone This is because the system now has only one zone total which effect is to optimize away many conditionals in page allocation paths. So let's configure this zone only on machines that need split zones. Signed-off-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/Kconfig | 4 +++- arch/arm/common/Kconfig | 3 ++- arch/arm/include/asm/memory.h | 2 ++ arch/arm/mach-pxa/Kconfig | 1 + 4 files changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f5bf38b5f38..ea52fae3329 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -148,7 +148,6 @@ config ARCH_MAY_HAVE_PC_FDC config ZONE_DMA bool - default y config GENERIC_ISA_DMA bool @@ -357,6 +356,7 @@ config ARCH_IXP4XX select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS + select ZONE_DMA if PCI help Support for Intel's IXP4XX (XScale) family of processors. @@ -503,6 +503,7 @@ config ARCH_SHARK bool "Shark" select ISA select ISA_DMA + select ZONE_DMA select PCI help Support for the StrongARM based Digital DNARD machine, also known @@ -524,6 +525,7 @@ config ARCH_DAVINCI select GENERIC_CLOCKEVENTS select GENERIC_GPIO select HAVE_CLK + select ZONE_DMA help Support for TI's DaVinci platform. diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 3e073467cac..2e32acca02f 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -12,7 +12,8 @@ config ICST307 config SA1111 bool - select DMABOUNCE + select DMABOUNCE if !ARCH_PXA + select ZONE_DMA if !ARCH_PXA config DMABOUNCE bool diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 7834adbe177..809ff9ab853 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -137,6 +137,8 @@ #ifndef arch_adjust_zones #define arch_adjust_zones(node,size,holes) do { } while (0) +#elif !defined(CONFIG_ZONE_DMA) +#error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA" #endif /* diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index e8ee7ec9ff6..e484f609fed 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -210,6 +210,7 @@ config MACH_ARMCORE bool "CompuLab CM-X270 modules" select PXA27x select IWMMXT + select ZONE_DMA if PCI config MACH_MAGICIAN bool "Enable HTC Magician Support" -- cgit v1.2.3-70-g09d2