diff options
Diffstat (limited to 'arch/arm/mach-realview/core.c')
| -rw-r--r-- | arch/arm/mach-realview/core.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index dc3519c50ab..9f293438e02 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -30,6 +30,7 @@ #include <linux/io.h> #include <linux/smsc911x.h> #include <linux/ata_platform.h> +#include <linux/amba/mmci.h> #include <asm/clkdev.h> #include <asm/system.h> @@ -44,7 +45,6 @@ #include <asm/mach/flash.h> #include <asm/mach/irq.h> #include <asm/mach/map.h> -#include <asm/mach/mmc.h> #include <asm/hardware/gic.h> @@ -59,6 +59,25 @@ /* used by entry-macro.S and platsmp.c */ void __iomem *gic_cpu_base_addr; +#ifdef CONFIG_ZONE_DMA +/* + * Adjust the zones if there are restrictions for DMA access. + */ +void __init realview_adjust_zones(int node, unsigned long *size, + unsigned long *hole) +{ + unsigned long dma_size = SZ_256M >> PAGE_SHIFT; + + if (!machine_is_realview_pbx() || node || (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 + /* * This is the RealView sched_clock implementation. This has * a resolution of 41.7ns, and a maximum value of about 179s. @@ -237,14 +256,14 @@ static unsigned int realview_mmc_status(struct device *dev) return readl(REALVIEW_SYSMCI) & mask; } -struct mmc_platform_data realview_mmc0_plat_data = { +struct mmci_platform_data realview_mmc0_plat_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .status = realview_mmc_status, .gpio_wp = 17, .gpio_cd = 16, }; -struct mmc_platform_data realview_mmc1_plat_data = { +struct mmci_platform_data realview_mmc1_plat_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .status = realview_mmc_status, .gpio_wp = 19, @@ -296,31 +315,31 @@ static struct clk ref24_clk = { static struct clk_lookup lookups[] = { { /* UART0 */ - .dev_id = "dev:f1", + .dev_id = "dev:uart0", .clk = &ref24_clk, }, { /* UART1 */ - .dev_id = "dev:f2", + .dev_id = "dev:uart1", .clk = &ref24_clk, }, { /* UART2 */ - .dev_id = "dev:f3", + .dev_id = "dev:uart2", .clk = &ref24_clk, }, { /* UART3 */ - .dev_id = "fpga:09", + .dev_id = "fpga:uart3", .clk = &ref24_clk, }, { /* KMI0 */ - .dev_id = "fpga:06", + .dev_id = "fpga:kmi0", .clk = &ref24_clk, }, { /* KMI1 */ - .dev_id = "fpga:07", + .dev_id = "fpga:kmi1", .clk = &ref24_clk, }, { /* MMC0 */ - .dev_id = "fpga:05", + .dev_id = "fpga:mmc0", .clk = &ref24_clk, }, { /* EB:CLCD */ - .dev_id = "dev:20", + .dev_id = "dev:clcd", .clk = &oscvco_clk, }, { /* PB:CLCD */ - .dev_id = "issp:20", + .dev_id = "issp:clcd", .clk = &oscvco_clk, } }; @@ -543,7 +562,7 @@ static int realview_clcd_setup(struct clcd_fb *fb) fb->panel = realview_clcd_panel(); fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize, - &dma, GFP_KERNEL); + &dma, GFP_KERNEL | GFP_DMA); if (!fb->fb.screen_base) { printk(KERN_ERR "CLCD: unable to map framebuffer\n"); return -ENOMEM; @@ -788,3 +807,24 @@ void __init realview_timer_init(unsigned int timer_irq) realview_clocksource_init(); realview_clockevents_init(timer_irq); } + +/* + * Setup the memory banks. + */ +void realview_fixup(struct machine_desc *mdesc, struct tag *tags, char **from, + struct meminfo *meminfo) +{ + /* + * Most RealView platforms have 512MB contiguous RAM at 0x70000000. + * Half of this is mirrored at 0. + */ +#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET + meminfo->bank[0].start = 0x70000000; + meminfo->bank[0].size = SZ_512M; + meminfo->nr_banks = 1; +#else + meminfo->bank[0].start = 0; + meminfo->bank[0].size = SZ_256M; + meminfo->nr_banks = 1; +#endif +} |