diff options
Diffstat (limited to 'arch/arm/mach-realview')
| -rw-r--r-- | arch/arm/mach-realview/core.c | 63 | ||||
| -rw-r--r-- | arch/arm/mach-realview/include/mach/barriers.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-realview/include/mach/memory.h | 9 |
3 files changed, 17 insertions, 57 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 75dbc8791d05..5c23450d2d1d 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -31,6 +31,7 @@ #include <linux/amba/mmci.h> #include <linux/gfp.h> #include <linux/clkdev.h> +#include <linux/mtd/physmap.h> #include <asm/system.h> #include <mach/hardware.h> @@ -41,7 +42,6 @@ #include <asm/hardware/icst.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/irq.h> #include <asm/mach/map.h> @@ -56,48 +56,9 @@ #include "core.h" -#ifdef CONFIG_ZONE_DMA -/* - * Adjust the zones if there are restrictions for DMA access. - */ -void __init realview_adjust_zones(unsigned long *size, unsigned long *hole) -{ - unsigned long dma_size = SZ_256M >> PAGE_SHIFT; - - if (!machine_is_realview_pbx() || size[0] <= dma_size) - return; - - size[ZONE_NORMAL] = size[0] - dma_size; - size[ZONE_DMA] = dma_size; - hole[ZONE_NORMAL] = hole[0]; - hole[ZONE_DMA] = 0; -} -#endif - - #define REALVIEW_FLASHCTRL (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_FLASH_OFFSET) -static int realview_flash_init(void) -{ - u32 val; - - val = __raw_readl(REALVIEW_FLASHCTRL); - val &= ~REALVIEW_FLASHPROG_FLVPPEN; - __raw_writel(val, REALVIEW_FLASHCTRL); - - return 0; -} - -static void realview_flash_exit(void) -{ - u32 val; - - val = __raw_readl(REALVIEW_FLASHCTRL); - val &= ~REALVIEW_FLASHPROG_FLVPPEN; - __raw_writel(val, REALVIEW_FLASHCTRL); -} - -static void realview_flash_set_vpp(int on) +static void realview_flash_set_vpp(struct platform_device *pdev, int on) { u32 val; @@ -109,16 +70,13 @@ static void realview_flash_set_vpp(int on) __raw_writel(val, REALVIEW_FLASHCTRL); } -static struct flash_platform_data realview_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data realview_flash_data = { .width = 4, - .init = realview_flash_init, - .exit = realview_flash_exit, .set_vpp = realview_flash_set_vpp, }; struct platform_device realview_flash_device = { - .name = "armflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &realview_flash_data, @@ -315,6 +273,10 @@ static struct clk ref24_clk = { .rate = 24000000, }; +static struct clk sp804_clk = { + .rate = 1000000, +}; + static struct clk dummy_apb_pclk; static struct clk_lookup lookups[] = { @@ -357,7 +319,10 @@ static struct clk_lookup lookups[] = { }, { /* SSP */ .dev_id = "dev:ssp0", .clk = &ref24_clk, - } + }, { /* SP804 timers */ + .dev_id = "sp804", + .clk = &sp804_clk, + }, }; void __init realview_init_early(void) @@ -545,8 +510,8 @@ void __init realview_timer_init(unsigned int timer_irq) writel(0, timer2_va_base + TIMER_CTRL); writel(0, timer3_va_base + TIMER_CTRL); - sp804_clocksource_init(timer3_va_base); - sp804_clockevents_init(timer0_va_base, timer_irq); + sp804_clocksource_init(timer3_va_base, "timer3"); + sp804_clockevents_init(timer0_va_base, timer_irq, "timer0"); } /* diff --git a/arch/arm/mach-realview/include/mach/barriers.h b/arch/arm/mach-realview/include/mach/barriers.h index 0c5d749d7b5f..9a732195aa1c 100644 --- a/arch/arm/mach-realview/include/mach/barriers.h +++ b/arch/arm/mach-realview/include/mach/barriers.h @@ -4,5 +4,5 @@ * operation to deadlock the system. */ #define mb() dsb() -#define rmb() dmb() +#define rmb() dsb() #define wmb() mb() diff --git a/arch/arm/mach-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h index e05fc2c4c080..1759fa673eea 100644 --- a/arch/arm/mach-realview/include/mach/memory.h +++ b/arch/arm/mach-realview/include/mach/memory.h @@ -29,13 +29,8 @@ #define PLAT_PHYS_OFFSET UL(0x00000000) #endif -#if !defined(__ASSEMBLY__) && defined(CONFIG_ZONE_DMA) -extern void realview_adjust_zones(unsigned long *size, unsigned long *hole); -#define arch_adjust_zones(size, hole) \ - realview_adjust_zones(size, hole) - -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_256M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_256M) +#ifdef CONFIG_ZONE_DMA +#define ARM_DMA_ZONE_SIZE SZ_256M #endif #ifdef CONFIG_SPARSEMEM |