diff options
Diffstat (limited to 'arch/arm/mach-realview/core.c')
| -rw-r--r-- | arch/arm/mach-realview/core.c | 642 |
1 files changed, 210 insertions, 432 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 98aefc9f4df..8c1b39a0caa 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -21,108 +21,147 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/interrupt.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> -#include <linux/clocksource.h> -#include <linux/clockchips.h> - -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/io.h> +#include <linux/io.h> +#include <linux/smsc911x.h> +#include <linux/ata_platform.h> +#include <linux/amba/mmci.h> +#include <linux/gfp.h> +#include <linux/mtd/physmap.h> +#include <linux/memblock.h> + +#include <mach/hardware.h> #include <asm/irq.h> -#include <asm/leds.h> +#include <asm/mach-types.h> #include <asm/hardware/arm_timer.h> -#include <asm/hardware/icst307.h> +#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> -#include <asm/mach/mmc.h> - -#include <asm/hardware/gic.h> - -#include "core.h" -#include "clock.h" -#define REALVIEW_REFCOUNTER (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_24MHz_OFFSET) -/* used by entry-macro.S */ -void __iomem *gic_cpu_base_addr; +#include <mach/platform.h> +#include <mach/irqs.h> +#include <asm/hardware/timer-sp.h> -/* - * This is the RealView sched_clock implementation. This has - * a resolution of 41.7ns, and a maximum value of about 179s. - */ -unsigned long long sched_clock(void) -{ - unsigned long long v; - - v = (unsigned long long)readl(REALVIEW_REFCOUNTER) * 125; - do_div(v, 3); - - return v; -} +#include <plat/clcd.h> +#include <plat/sched_clock.h> +#include "core.h" #define REALVIEW_FLASHCTRL (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_FLASH_OFFSET) -static int realview_flash_init(void) +static void realview_flash_set_vpp(struct platform_device *pdev, int on) { u32 val; val = __raw_readl(REALVIEW_FLASHCTRL); - val &= ~REALVIEW_FLASHPROG_FLVPPEN; + if (on) + val |= REALVIEW_FLASHPROG_FLVPPEN; + else + val &= ~REALVIEW_FLASHPROG_FLVPPEN; __raw_writel(val, REALVIEW_FLASHCTRL); +} + +static struct physmap_flash_data realview_flash_data = { + .width = 4, + .set_vpp = realview_flash_set_vpp, +}; - return 0; +struct platform_device realview_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &realview_flash_data, + }, +}; + +int realview_flash_register(struct resource *res, u32 num) +{ + realview_flash_device.resource = res; + realview_flash_device.num_resources = num; + return platform_device_register(&realview_flash_device); } -static void realview_flash_exit(void) +static struct smsc911x_platform_config smsc911x_config = { + .flags = SMSC911X_USE_32BIT, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device realview_eth_device = { + .name = "smsc911x", + .id = 0, + .num_resources = 2, +}; + +int realview_eth_register(const char *name, struct resource *res) { - u32 val; + if (name) + realview_eth_device.name = name; + realview_eth_device.resource = res; + if (strcmp(realview_eth_device.name, "smsc911x") == 0) + realview_eth_device.dev.platform_data = &smsc911x_config; - val = __raw_readl(REALVIEW_FLASHCTRL); - val &= ~REALVIEW_FLASHPROG_FLVPPEN; - __raw_writel(val, REALVIEW_FLASHCTRL); + return platform_device_register(&realview_eth_device); } -static void realview_flash_set_vpp(int on) -{ - u32 val; +struct platform_device realview_usb_device = { + .name = "isp1760", + .num_resources = 2, +}; - val = __raw_readl(REALVIEW_FLASHCTRL); - if (on) - val |= REALVIEW_FLASHPROG_FLVPPEN; - else - val &= ~REALVIEW_FLASHPROG_FLVPPEN; - __raw_writel(val, REALVIEW_FLASHCTRL); +int realview_usb_register(struct resource *res) +{ + realview_usb_device.resource = res; + return platform_device_register(&realview_usb_device); } -static struct flash_platform_data realview_flash_data = { - .map_name = "cfi_probe", - .width = 4, - .init = realview_flash_init, - .exit = realview_flash_exit, - .set_vpp = realview_flash_set_vpp, +static struct pata_platform_info pata_platform_data = { + .ioport_shift = 1, }; -static struct resource realview_flash_resource = { - .start = REALVIEW_FLASH_BASE, - .end = REALVIEW_FLASH_BASE + REALVIEW_FLASH_SIZE, - .flags = IORESOURCE_MEM, +static struct resource pata_resources[] = { + [0] = { + .start = REALVIEW_CF_BASE, + .end = REALVIEW_CF_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = REALVIEW_CF_BASE + 0x100, + .end = REALVIEW_CF_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, }; -struct platform_device realview_flash_device = { - .name = "armflash", - .id = 0, +struct platform_device realview_cf_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(pata_resources), + .resource = pata_resources, .dev = { - .platform_data = &realview_flash_data, + .platform_data = &pata_platform_data, }, - .num_resources = 1, - .resource = &realview_flash_resource, +}; + +static struct resource realview_leds_resources[] = { + { + .start = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET, + .end = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET + 4, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device realview_leds_device = { + .name = "versatile-leds", + .id = -1, + .num_resources = ARRAY_SIZE(realview_leds_resources), + .resource = realview_leds_resources, }; static struct resource realview_i2c_resource = { @@ -133,18 +172,49 @@ static struct resource realview_i2c_resource = { struct platform_device realview_i2c_device = { .name = "versatile-i2c", - .id = -1, + .id = 0, .num_resources = 1, .resource = &realview_i2c_resource, }; +static struct i2c_board_info realview_i2c_board_info[] = { + { + I2C_BOARD_INFO("ds1338", 0xd0 >> 1), + }, +}; + +static int __init realview_i2c_init(void) +{ + return i2c_register_board_info(0, realview_i2c_board_info, + ARRAY_SIZE(realview_i2c_board_info)); +} +arch_initcall(realview_i2c_init); + #define REALVIEW_SYSMCI (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_MCI_OFFSET) +/* + * This is only used if GPIOLIB support is disabled + */ static unsigned int realview_mmc_status(struct device *dev) { struct amba_device *adev = container_of(dev, struct amba_device, dev); u32 mask; + if (machine_is_realview_pb1176()) { + static bool inserted = false; + + /* + * The PB1176 does not have the status register, + * assume it is inserted at startup, then invert + * for each call so card insertion/removal will + * be detected anyway. This will not be called if + * GPIO on PL061 is active, which is the proper + * way to do this on the PB1176. + */ + inserted = !inserted; + return inserted ? 0 : 1; + } + if (adev->res.start == REALVIEW_MMCI0_BASE) mask = 1; else @@ -153,48 +223,29 @@ 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, + .cd_invert = true, }; -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, + .gpio_cd = 18, + .cd_invert = true, }; -/* - * Clock handling - */ -static const struct icst307_params realview_oscvco_params = { - .ref = 24000, - .vco_max = 200000, - .vd_min = 4 + 8, - .vd_max = 511 + 8, - .rd_min = 1 + 2, - .rd_max = 127 + 2, -}; - -static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco) +void __init realview_init_early(void) { - void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET; - void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC4_OFFSET; - u32 val; + void __iomem *sys = __io_address(REALVIEW_SYS_BASE); - val = readl(sys_osc) & ~0x7ffff; - val |= vco.v | (vco.r << 9) | (vco.s << 16); - - writel(0xa05f, sys_lock); - writel(val, sys_osc); - writel(0, sys_lock); + versatile_sched_clock_init(sys + REALVIEW_SYS_24MHz_OFFSET, 24000000); } -struct clk realview_clcd_clk = { - .name = "CLCDCLK", - .params = &realview_oscvco_params, - .setvco = realview_oscvco_set, -}; - /* * CLCD support. */ @@ -208,128 +259,6 @@ struct clk realview_clcd_clk = { #define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8) #define SYS_CLCD_ID_VGA (0x1f << 8) -static struct clcd_panel vga = { - .mode = { - .name = "VGA", - .refresh = 60, - .xres = 640, - .yres = 480, - .pixclock = 39721, - .left_margin = 40, - .right_margin = 24, - .upper_margin = 32, - .lower_margin = 11, - .hsync_len = 96, - .vsync_len = 2, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel sanyo_3_8_in = { - .mode = { - .name = "Sanyo QVGA", - .refresh = 116, - .xres = 320, - .yres = 240, - .pixclock = 100000, - .left_margin = 6, - .right_margin = 6, - .upper_margin = 5, - .lower_margin = 5, - .hsync_len = 6, - .vsync_len = 6, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel sanyo_2_5_in = { - .mode = { - .name = "Sanyo QVGA Portrait", - .refresh = 116, - .xres = 240, - .yres = 320, - .pixclock = 100000, - .left_margin = 20, - .right_margin = 10, - .upper_margin = 2, - .lower_margin = 2, - .hsync_len = 10, - .vsync_len = 2, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel epson_2_2_in = { - .mode = { - .name = "Epson QCIF", - .refresh = 390, - .xres = 176, - .yres = 220, - .pixclock = 62500, - .left_margin = 3, - .right_margin = 2, - .upper_margin = 1, - .lower_margin = 0, - .hsync_len = 3, - .vsync_len = 2, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -/* - * Detect which LCD panel is connected, and return the appropriate - * clcd_panel structure. Note: we do not have any information on - * the required timings for the 8.4in panel, so we presently assume - * VGA timings. - */ -static struct clcd_panel *realview_clcd_panel(void) -{ - void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET; - struct clcd_panel *panel = &vga; - u32 val; - - val = readl(sys_clcd) & SYS_CLCD_ID_MASK; - if (val == SYS_CLCD_ID_SANYO_3_8) - panel = &sanyo_3_8_in; - else if (val == SYS_CLCD_ID_SANYO_2_5) - panel = &sanyo_2_5_in; - else if (val == SYS_CLCD_ID_EPSON_2_2) - panel = &epson_2_2_in; - else if (val == SYS_CLCD_ID_VGA) - panel = &vga; - else { - printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n", - val); - panel = &vga; - } - - return panel; -} - /* * Disable all display connectors on the interface module. */ @@ -359,223 +288,69 @@ static void realview_clcd_enable(struct clcd_fb *fb) writel(val, sys_clcd); } -static unsigned long framesize = SZ_1M; - +/* + * Detect which LCD panel is connected, and return the appropriate + * clcd_panel structure. Note: we do not have any information on + * the required timings for the 8.4in panel, so we presently assume + * VGA timings. + */ static int realview_clcd_setup(struct clcd_fb *fb) { - dma_addr_t dma; - - fb->panel = realview_clcd_panel(); + void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET; + const char *panel_name, *vga_panel_name; + unsigned long framesize; + u32 val; - fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize, - &dma, GFP_KERNEL); - if (!fb->fb.screen_base) { - printk(KERN_ERR "CLCD: unable to map framebuffer\n"); - return -ENOMEM; + if (machine_is_realview_eb()) { + /* VGA, 16bpp */ + framesize = 640 * 480 * 2; + vga_panel_name = "VGA"; + } else { + /* XVGA, 16bpp */ + framesize = 1024 * 768 * 2; + vga_panel_name = "XVGA"; } - fb->fb.fix.smem_start = dma; - fb->fb.fix.smem_len = framesize; - - return 0; -} + val = readl(sys_clcd) & SYS_CLCD_ID_MASK; + if (val == SYS_CLCD_ID_SANYO_3_8) + panel_name = "Sanyo TM38QV67A02A"; + else if (val == SYS_CLCD_ID_SANYO_2_5) + panel_name = "Sanyo QVGA Portrait"; + else if (val == SYS_CLCD_ID_EPSON_2_2) + panel_name = "Epson L2F50113T00"; + else if (val == SYS_CLCD_ID_VGA) + panel_name = vga_panel_name; + else { + pr_err("CLCD: unknown LCD panel ID 0x%08x, using VGA\n", val); + panel_name = vga_panel_name; + } -static int realview_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) -{ - return dma_mmap_writecombine(&fb->dev->dev, vma, - fb->fb.screen_base, - fb->fb.fix.smem_start, - fb->fb.fix.smem_len); -} + fb->panel = versatile_clcd_get_panel(panel_name); + if (!fb->panel) + return -EINVAL; -static void realview_clcd_remove(struct clcd_fb *fb) -{ - dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len, - fb->fb.screen_base, fb->fb.fix.smem_start); + return versatile_clcd_setup_dma(fb, framesize); } struct clcd_board clcd_plat_data = { .name = "RealView", + .caps = CLCD_CAP_ALL, .check = clcdfb_check, .decode = clcdfb_decode, .disable = realview_clcd_disable, .enable = realview_clcd_enable, .setup = realview_clcd_setup, - .mmap = realview_clcd_mmap, - .remove = realview_clcd_remove, + .mmap = versatile_clcd_mmap_dma, + .remove = versatile_clcd_remove_dma, }; -#ifdef CONFIG_LEDS -#define VA_LEDS_BASE (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LED_OFFSET) - -void realview_leds_event(led_event_t ledevt) -{ - unsigned long flags; - u32 val; - - local_irq_save(flags); - val = readl(VA_LEDS_BASE); - - switch (ledevt) { - case led_idle_start: - val = val & ~REALVIEW_SYS_LED0; - break; - - case led_idle_end: - val = val | REALVIEW_SYS_LED0; - break; - - case led_timer: - val = val ^ REALVIEW_SYS_LED1; - break; - - case led_halted: - val = 0; - break; - - default: - break; - } - - writel(val, VA_LEDS_BASE); - local_irq_restore(flags); -} -#endif /* CONFIG_LEDS */ - /* * Where is the timer (VA)? */ -#define TIMER0_VA_BASE __io_address(REALVIEW_TIMER0_1_BASE) -#define TIMER1_VA_BASE (__io_address(REALVIEW_TIMER0_1_BASE) + 0x20) -#define TIMER2_VA_BASE __io_address(REALVIEW_TIMER2_3_BASE) -#define TIMER3_VA_BASE (__io_address(REALVIEW_TIMER2_3_BASE) + 0x20) - -/* - * How long is the timer interval? - */ -#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10) -#if TIMER_INTERVAL >= 0x100000 -#define TIMER_RELOAD (TIMER_INTERVAL >> 8) -#define TIMER_DIVISOR (TIMER_CTRL_DIV256) -#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC) -#elif TIMER_INTERVAL >= 0x10000 -#define TIMER_RELOAD (TIMER_INTERVAL >> 4) /* Divide by 16 */ -#define TIMER_DIVISOR (TIMER_CTRL_DIV16) -#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC) -#else -#define TIMER_RELOAD (TIMER_INTERVAL) -#define TIMER_DIVISOR (TIMER_CTRL_DIV1) -#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC) -#endif - -static void timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *clk) -{ - unsigned long ctrl; - - switch(mode) { - case CLOCK_EVT_MODE_PERIODIC: - writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_LOAD); - - ctrl = TIMER_CTRL_PERIODIC; - ctrl |= TIMER_CTRL_32BIT | TIMER_CTRL_IE | TIMER_CTRL_ENABLE; - break; - case CLOCK_EVT_MODE_ONESHOT: - /* period set, and timer enabled in 'next_event' hook */ - ctrl = TIMER_CTRL_ONESHOT; - ctrl |= TIMER_CTRL_32BIT | TIMER_CTRL_IE; - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - default: - ctrl = 0; - } - - writel(ctrl, TIMER0_VA_BASE + TIMER_CTRL); -} - -static int timer_set_next_event(unsigned long evt, - struct clock_event_device *unused) -{ - unsigned long ctrl = readl(TIMER0_VA_BASE + TIMER_CTRL); - - writel(evt, TIMER0_VA_BASE + TIMER_LOAD); - writel(ctrl | TIMER_CTRL_ENABLE, TIMER0_VA_BASE + TIMER_CTRL); - - return 0; -} - -static struct clock_event_device timer0_clockevent = { - .name = "timer0", - .shift = 32, - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_mode = timer_set_mode, - .set_next_event = timer_set_next_event, - .rating = 300, - .cpumask = CPU_MASK_ALL, -}; - -static void __init realview_clockevents_init(unsigned int timer_irq) -{ - timer0_clockevent.irq = timer_irq; - timer0_clockevent.mult = - div_sc(1000000, NSEC_PER_SEC, timer0_clockevent.shift); - timer0_clockevent.max_delta_ns = - clockevent_delta2ns(0xffffffff, &timer0_clockevent); - timer0_clockevent.min_delta_ns = - clockevent_delta2ns(0xf, &timer0_clockevent); - - clockevents_register_device(&timer0_clockevent); -} - -/* - * IRQ handler for the timer - */ -static irqreturn_t realview_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *evt = &timer0_clockevent; - - /* clear the interrupt */ - writel(1, TIMER0_VA_BASE + TIMER_INTCLR); - - evt->event_handler(evt); - - return IRQ_HANDLED; -} - -static struct irqaction realview_timer_irq = { - .name = "RealView Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = realview_timer_interrupt, -}; - -static cycle_t realview_get_cycles(void) -{ - return ~readl(TIMER3_VA_BASE + TIMER_VALUE); -} - -static struct clocksource clocksource_realview = { - .name = "timer3", - .rating = 200, - .read = realview_get_cycles, - .mask = CLOCKSOURCE_MASK(32), - .shift = 20, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -static void __init realview_clocksource_init(void) -{ - /* setup timer 0 as free-running clocksource */ - writel(0, TIMER3_VA_BASE + TIMER_CTRL); - writel(0xffffffff, TIMER3_VA_BASE + TIMER_LOAD); - writel(0xffffffff, TIMER3_VA_BASE + TIMER_VALUE); - writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC, - TIMER3_VA_BASE + TIMER_CTRL); - - clocksource_realview.mult = - clocksource_khz2mult(1000, clocksource_realview.shift); - clocksource_register(&clocksource_realview); -} +void __iomem *timer0_va_base; +void __iomem *timer1_va_base; +void __iomem *timer2_va_base; +void __iomem *timer3_va_base; /* * Set up the clock source and clock events devices @@ -584,14 +359,6 @@ void __init realview_timer_init(unsigned int timer_irq) { u32 val; -#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST - /* - * The dummy clock device has to be registered before the main device - * so that the latter will broadcast the clock events - */ - local_timer_setup(smp_processor_id()); -#endif - /* * set clock frequency: * REALVIEW_REFCLK is 32KHz @@ -607,16 +374,27 @@ void __init realview_timer_init(unsigned int timer_irq) /* * Initialise to a known state (all timers off) */ - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - writel(0, TIMER3_VA_BASE + TIMER_CTRL); + writel(0, timer0_va_base + TIMER_CTRL); + writel(0, timer1_va_base + TIMER_CTRL); + writel(0, timer2_va_base + TIMER_CTRL); + writel(0, timer3_va_base + TIMER_CTRL); - /* - * Make irqs happen for the system timer - */ - setup_irq(timer_irq, &realview_timer_irq); + sp804_clocksource_init(timer3_va_base, "timer3"); + sp804_clockevents_init(timer0_va_base, timer_irq, "timer0"); +} - realview_clocksource_init(); - realview_clockevents_init(timer_irq); +/* + * Setup the memory banks. + */ +void realview_fixup(struct tag *tags, char **from) +{ + /* + * Most RealView platforms have 512MB contiguous RAM at 0x70000000. + * Half of this is mirrored at 0. + */ +#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET + memblock_add(0x70000000, SZ_512M); +#else + memblock_add(0, SZ_256M); +#endif } |