diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
commit | 2ca7d674d7ab2220707b2ada0b690c0e7c95e7ac (patch) | |
tree | 9c0927ed1d540e5fd704c1f82689870786514655 /arch/arm/mach-nomadik/cpu-8815.c | |
parent | 2195d2818c37bdf263865f1e9effccdd9fc5f9d4 (diff) | |
parent | 87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (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: (257 commits)
[ARM] Update mach-types
ARM: 5636/1: Move vendor enum to AMBA include
ARM: Fix pfn_valid() for sparse memory
[ARM] orion5x: Add LaCie NAS 2Big Network support
[ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
ARM: 5689/1: Update default config of HP Jornada 700-series machines
ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
ARM: 5688/1: ks8695_serial: disable_irq() lockup
ARM: 5687/1: fix an oops with highmem
ARM: 5684/1: Add nuc960 platform to w90x900
ARM: 5683/1: Add nuc950 platform to w90x900
ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
MMC: MMCI: convert realview MMC to use gpiolib
ARM: 5685/1: Make MMCI driver compile without gpiolib
ARM: implement highpte
ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
...
Fix up trivial conflict in arch/arm/kernel/signal.c.
It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
Diffstat (limited to 'arch/arm/mach-nomadik/cpu-8815.c')
-rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c new file mode 100644 index 000000000000..f93c59634191 --- /dev/null +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -0,0 +1,139 @@ +/* + * Copyright STMicroelectronics, 2007. + * + * 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/types.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/amba/bus.h> +#include <linux/gpio.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> +#include <asm/mach/map.h> +#include <asm/hardware/vic.h> + +#include <asm/cacheflush.h> +#include <asm/hardware/cache-l2x0.h> + +/* The 8815 has 4 GPIO blocks, let's register them immediately */ +static struct nmk_gpio_platform_data cpu8815_gpio[] = { + { + .name = "GPIO-0-31", + .first_gpio = 0, + .first_irq = NOMADIK_GPIO_TO_IRQ(0), + .parent_irq = IRQ_GPIO0, + }, { + .name = "GPIO-32-63", + .first_gpio = 32, + .first_irq = NOMADIK_GPIO_TO_IRQ(32), + .parent_irq = IRQ_GPIO1, + }, { + .name = "GPIO-64-95", + .first_gpio = 64, + .first_irq = NOMADIK_GPIO_TO_IRQ(64), + .parent_irq = IRQ_GPIO2, + }, { + .name = "GPIO-96-127", /* 124..127 not routed to pin */ + .first_gpio = 96, + .first_irq = NOMADIK_GPIO_TO_IRQ(96), + .parent_irq = IRQ_GPIO3, + } +}; + +#define __MEM_4K_RESOURCE(x) \ + .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} + +static struct amba_device cpu8815_amba_gpio[] = { + { + .dev = { + .init_name = "gpio0", + .platform_data = cpu8815_gpio + 0, + }, + __MEM_4K_RESOURCE(NOMADIK_GPIO0_BASE), + }, { + .dev = { + .init_name = "gpio1", + .platform_data = cpu8815_gpio + 1, + }, + __MEM_4K_RESOURCE(NOMADIK_GPIO1_BASE), + }, { + .dev = { + .init_name = "gpio2", + .platform_data = cpu8815_gpio + 2, + }, + __MEM_4K_RESOURCE(NOMADIK_GPIO2_BASE), + }, { + .dev = { + .init_name = "gpio3", + .platform_data = cpu8815_gpio + 3, + }, + __MEM_4K_RESOURCE(NOMADIK_GPIO3_BASE), + }, +}; + +static struct amba_device *amba_devs[] __initdata = { + cpu8815_amba_gpio + 0, + cpu8815_amba_gpio + 1, + cpu8815_amba_gpio + 2, + cpu8815_amba_gpio + 3, +}; + +static int __init cpu8815_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) + amba_device_register(amba_devs[i], &iomem_resource); + return 0; +} +arch_initcall(cpu8815_init); + +/* All SoC devices live in the same area (see hardware.h) */ +static struct map_desc nomadik_io_desc[] __initdata = { + { + .virtual = NOMADIK_IO_VIRTUAL, + .pfn = __phys_to_pfn(NOMADIK_IO_PHYSICAL), + .length = NOMADIK_IO_SIZE, + .type = MT_DEVICE, + } + /* static ram and secured ram may be added later */ +}; + +void __init cpu8815_map_io(void) +{ + iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc)); +} + +void __init cpu8815_init_irq(void) +{ + /* This modified VIC cell has two register blocks, at 0 and 0x20 */ + vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0); + vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0); +} + +/* + * This function is called from the board init ("init_machine"). + */ + void __init cpu8815_platform_init(void) +{ +#ifdef CONFIG_CACHE_L2X0 + /* At full speed latency must be >=2, so 0x249 in low bits */ + l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff); +#endif + return; +} |