Support for RealView EB.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
help
This enables support for ARM Ltd Versatile board.
+config ARCH_REALVIEW
+ bool "RealView"
+ select ARM_AMBA
+ select ICST307
+ help
+ This enables support for ARM Ltd RealView boards.
+
config ARCH_IMX
bool "IMX"
source "arch/arm/mach-aaec2000/Kconfig"
+source "arch/arm/mach-realview/Kconfig"
+
# Definitions to make life easier
config ARCH_ACORN
bool
machine-$(CONFIG_ARCH_IMX) := imx
machine-$(CONFIG_ARCH_H720X) := h720x
machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
+ machine-$(CONFIG_ARCH_REALVIEW) := realview
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
--- /dev/null
+menu "RealView platform type"
+ depends on ARCH_REALVIEW
+
+config MACH_REALVIEW_EB
+ bool "Support RealView/EB platform"
+ default n
+ select ARM_GIC
+ help
+ Include support for the ARM(R) RealView Emulation Baseboard platform.
+
+endmenu
--- /dev/null
+#
+# Makefile for the linux kernel.
+#
+
+obj-y := core.o clock.o
+obj-$(CONFIG_MACH_REALVIEW_EB) += realview_eb.o
--- /dev/null
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
+
--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/clock.c
+ *
+ * Copyright (C) 2004 ARM Limited.
+ * Written by Deep Blue Solutions Limited.
+ *
+ * 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 <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+
+#include <asm/semaphore.h>
+#include <asm/hardware/clock.h>
+#include <asm/hardware/icst307.h>
+
+#include "clock.h"
+
+static LIST_HEAD(clocks);
+static DECLARE_MUTEX(clocks_sem);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ struct clk *p, *clk = ERR_PTR(-ENOENT);
+
+ down(&clocks_sem);
+ list_for_each_entry(p, &clocks, node) {
+ if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+ clk = p;
+ break;
+ }
+ }
+ up(&clocks_sem);
+
+ return clk;
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+ module_put(clk->owner);
+}
+EXPORT_SYMBOL(clk_put);
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+int clk_use(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_use);
+
+void clk_unuse(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_unuse);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ int ret = -EIO;
+
+ if (clk->setvco) {
+ struct icst307_vco vco;
+
+ vco = icst307_khz_to_vco(clk->params, rate / 1000);
+ clk->rate = icst307_khz(clk->params, vco) * 1000;
+
+ printk("Clock %s: setting VCO reg params: S=%d R=%d V=%d\n",
+ clk->name, vco.s, vco.r, vco.v);
+
+ clk->setvco(clk, vco);
+ ret = 0;
+ }
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+/*
+ * These are fixed clocks.
+ */
+static struct clk kmi_clk = {
+ .name = "KMIREFCLK",
+ .rate = 24000000,
+};
+
+static struct clk uart_clk = {
+ .name = "UARTCLK",
+ .rate = 24000000,
+};
+
+static struct clk mmci_clk = {
+ .name = "MCLK",
+ .rate = 33000000,
+};
+
+int clk_register(struct clk *clk)
+{
+ down(&clocks_sem);
+ list_add(&clk->node, &clocks);
+ up(&clocks_sem);
+ return 0;
+}
+EXPORT_SYMBOL(clk_register);
+
+void clk_unregister(struct clk *clk)
+{
+ down(&clocks_sem);
+ list_del(&clk->node);
+ up(&clocks_sem);
+}
+EXPORT_SYMBOL(clk_unregister);
+
+static int __init clk_init(void)
+{
+ clk_register(&kmi_clk);
+ clk_register(&uart_clk);
+ clk_register(&mmci_clk);
+ return 0;
+}
+arch_initcall(clk_init);
--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/clock.h
+ *
+ * Copyright (C) 2004 ARM Limited.
+ * Written by Deep Blue Solutions Limited.
+ *
+ * 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.
+ */
+struct module;
+struct icst307_params;
+
+struct clk {
+ struct list_head node;
+ unsigned long rate;
+ struct module *owner;
+ const char *name;
+ const struct icst307_params *params;
+ void *data;
+ void (*setvco)(struct clk *, struct icst307_vco vco);
+};
+
+int clk_register(struct clk *clk);
+void clk_unregister(struct clk *clk);
--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/core.c
+ *
+ * Copyright (C) 1999 - 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/sysdev.h>
+#include <linux/interrupt.h>
+
+#include <asm/system.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+#include <asm/hardware/amba.h>
+#include <asm/hardware/amba_clcd.h>
+#include <asm/hardware/arm_timer.h>
+#include <asm/hardware/icst307.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/time.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)
+
+/*
+ * 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;
+}
+
+
+#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)
+{
+ u32 val;
+
+ val = __raw_readl(REALVIEW_FLASHCTRL);
+ if (on)
+ val |= REALVIEW_FLASHPROG_FLVPPEN;
+ else
+ val &= ~REALVIEW_FLASHPROG_FLVPPEN;
+ __raw_writel(val, REALVIEW_FLASHCTRL);
+}
+
+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 resource realview_flash_resource = {
+ .start = REALVIEW_FLASH_BASE,
+ .end = REALVIEW_FLASH_BASE + REALVIEW_FLASH_SIZE,
+ .flags = IORESOURCE_MEM,
+};
+
+struct platform_device realview_flash_device = {
+ .name = "armflash",
+ .id = 0,
+ .dev = {
+ .platform_data = &realview_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &realview_flash_resource,
+};
+
+static struct resource realview_smc91x_resources[] = {
+ [0] = {
+ .start = REALVIEW_ETH_BASE,
+ .end = REALVIEW_ETH_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_ETH,
+ .end = IRQ_ETH,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device realview_smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(realview_smc91x_resources),
+ .resource = realview_smc91x_resources,
+};
+
+#define REALVIEW_SYSMCI (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_MCI_OFFSET)
+
+static unsigned int realview_mmc_status(struct device *dev)
+{
+ struct amba_device *adev = container_of(dev, struct amba_device, dev);
+ u32 mask;
+
+ if (adev->res.start == REALVIEW_MMCI0_BASE)
+ mask = 1;
+ else
+ mask = 2;
+
+ return readl(REALVIEW_SYSMCI) & mask;
+}
+
+struct mmc_platform_data realview_mmc0_plat_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .status = realview_mmc_status,
+};
+
+struct mmc_platform_data realview_mmc1_plat_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .status = realview_mmc_status,
+};
+
+/*
+ * 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 __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET;
+ void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC1_OFFSET;
+ u32 val;
+
+ 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);
+}
+
+struct clk realview_clcd_clk = {
+ .name = "CLCDCLK",
+ .params = &realview_oscvco_params,
+ .setvco = realview_oscvco_set,
+};
+
+/*
+ * CLCD support.
+ */
+#define SYS_CLCD_MODE_MASK (3 << 0)
+#define SYS_CLCD_MODE_888 (0 << 0)
+#define SYS_CLCD_MODE_5551 (1 << 0)
+#define SYS_CLCD_MODE_565_RLSB (2 << 0)
+#define SYS_CLCD_MODE_565_BLSB (3 << 0)
+#define SYS_CLCD_NLCDIOON (1 << 2)
+#define SYS_CLCD_VDDPOSSWITCH (1 << 3)
+#define SYS_CLCD_PWR3V5SWITCH (1 << 4)
+#define SYS_CLCD_ID_MASK (0x1f << 8)
+#define SYS_CLCD_ID_SANYO_3_8 (0x00 << 8)
+#define SYS_CLCD_ID_UNKNOWN_8_4 (0x01 << 8)
+#define SYS_CLCD_ID_EPSON_2_2 (0x02 << 8)
+#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.
+ */
+static void realview_clcd_disable(struct clcd_fb *fb)
+{
+ void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET;
+ u32 val;
+
+ val = readl(sys_clcd);
+ val &= ~SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH;
+ writel(val, sys_clcd);
+}
+
+/*
+ * Enable the relevant connector on the interface module.
+ */
+static void realview_clcd_enable(struct clcd_fb *fb)
+{
+ void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET;
+ u32 val;
+
+ val = readl(sys_clcd);
+ val &= ~SYS_CLCD_MODE_MASK;
+
+ switch (fb->fb.var.green.length) {
+ case 5:
+ val |= SYS_CLCD_MODE_5551;
+ break;
+ case 6:
+ val |= SYS_CLCD_MODE_565_RLSB;
+ break;
+ case 8:
+ val |= SYS_CLCD_MODE_888;
+ break;
+ }
+
+ /*
+ * Set the MUX
+ */
+ writel(val, sys_clcd);
+
+ /*
+ * And now enable the PSUs
+ */
+ val |= SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH;
+ writel(val, sys_clcd);
+}
+
+static unsigned long framesize = SZ_1M;
+
+static int realview_clcd_setup(struct clcd_fb *fb)
+{
+ dma_addr_t dma;
+
+ fb->panel = realview_clcd_panel();
+
+ 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;
+ }
+
+ fb->fb.fix.smem_start = dma;
+ fb->fb.fix.smem_len = framesize;
+
+ return 0;
+}
+
+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);
+}
+
+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);
+}
+
+struct clcd_board clcd_plat_data = {
+ .name = "RealView",
+ .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,
+};
+
+#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
+
+/*
+ * Returns number of ms since last clock interrupt. Note that interrupts
+ * will have been disabled by do_gettimeoffset()
+ */
+static unsigned long realview_gettimeoffset(void)
+{
+ unsigned long ticks1, ticks2, status;
+
+ /*
+ * Get the current number of ticks. Note that there is a race
+ * condition between us reading the timer and checking for
+ * an interrupt. We get around this by ensuring that the
+ * counter has not reloaded between our two reads.
+ */
+ ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
+ do {
+ ticks1 = ticks2;
+ status = __raw_readl(__io_address(REALVIEW_GIC_DIST_BASE + GIC_DIST_PENDING_SET)
+ + ((IRQ_TIMERINT0_1 >> 5) << 2));
+ ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
+ } while (ticks2 > ticks1);
+
+ /*
+ * Number of ticks since last interrupt.
+ */
+ ticks1 = TIMER_RELOAD - ticks2;
+
+ /*
+ * Interrupt pending? If so, we've reloaded once already.
+ *
+ * FIXME: Need to check this is effectively timer 0 that expires
+ */
+ if (status & IRQMASK_TIMERINT0_1)
+ ticks1 += TIMER_RELOAD;
+
+ /*
+ * Convert the ticks to usecs
+ */
+ return TICKS2USECS(ticks1);
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ write_seqlock(&xtime_lock);
+
+ // ...clear the interrupt
+ writel(1, TIMER0_VA_BASE + TIMER_INTCLR);
+
+ timer_tick(regs);
+
+ write_sequnlock(&xtime_lock);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction realview_timer_irq = {
+ .name = "RealView Timer Tick",
+ .flags = SA_INTERRUPT | SA_TIMER,
+ .handler = realview_timer_interrupt,
+};
+
+/*
+ * Set up timer interrupt, and return the current time in seconds.
+ */
+static void __init realview_timer_init(void)
+{
+ u32 val;
+
+ /*
+ * set clock frequency:
+ * REALVIEW_REFCLK is 32KHz
+ * REALVIEW_TIMCLK is 1MHz
+ */
+ val = readl(__io_address(REALVIEW_SCTL_BASE));
+ writel((REALVIEW_TIMCLK << REALVIEW_TIMER1_EnSel) |
+ (REALVIEW_TIMCLK << REALVIEW_TIMER2_EnSel) |
+ (REALVIEW_TIMCLK << REALVIEW_TIMER3_EnSel) |
+ (REALVIEW_TIMCLK << REALVIEW_TIMER4_EnSel) | val,
+ __io_address(REALVIEW_SCTL_BASE));
+
+ /*
+ * 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(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_LOAD);
+ writel(TIMER_RELOAD, TIMER0_VA_BASE + TIMER_VALUE);
+ writel(TIMER_DIVISOR | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC |
+ TIMER_CTRL_IE, TIMER0_VA_BASE + TIMER_CTRL);
+
+ /*
+ * Make irqs happen for the system timer
+ */
+ setup_irq(IRQ_TIMERINT0_1, &realview_timer_irq);
+}
+
+struct sys_timer realview_timer = {
+ .init = realview_timer_init,
+ .offset = realview_gettimeoffset,
+};
--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/core.h
+ *
+ * Copyright (C) 2004 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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
+ */
+
+#ifndef __ASM_ARCH_REALVIEW_H
+#define __ASM_ARCH_REALVIEW_H
+
+#include <asm/hardware/amba.h>
+#include <asm/io.h>
+
+#define __io_address(n) __io(IO_ADDRESS(n))
+
+extern struct sys_timer realview_timer;
+
+#define AMBA_DEVICE(name,busid,base,plat) \
+static struct amba_device name##_device = { \
+ .dev = { \
+ .coherent_dma_mask = ~0, \
+ .bus_id = busid, \
+ .platform_data = plat, \
+ }, \
+ .res = { \
+ .start = REALVIEW_##base##_BASE, \
+ .end = (REALVIEW_##base##_BASE) + SZ_4K - 1,\
+ .flags = IORESOURCE_MEM, \
+ }, \
+ .dma_mask = ~0, \
+ .irq = base##_IRQ, \
+ /* .dma = base##_DMA,*/ \
+}
+
+/*
+ * These devices are connected via the core APB bridge
+ */
+#define GPIO2_IRQ { IRQ_GPIOINT2, NO_IRQ }
+#define GPIO2_DMA { 0, 0 }
+#define GPIO3_IRQ { IRQ_GPIOINT3, NO_IRQ }
+#define GPIO3_DMA { 0, 0 }
+
+#define AACI_IRQ { IRQ_AACI, NO_IRQ }
+#define AACI_DMA { 0x80, 0x81 }
+#define MMCI0_IRQ { IRQ_MMCI0A,IRQ_MMCI0B }
+#define MMCI0_DMA { 0x84, 0 }
+#define KMI0_IRQ { IRQ_KMI0, NO_IRQ }
+#define KMI0_DMA { 0, 0 }
+#define KMI1_IRQ { IRQ_KMI1, NO_IRQ }
+#define KMI1_DMA { 0, 0 }
+
+/*
+ * These devices are connected directly to the multi-layer AHB switch
+ */
+#define SMC_IRQ { NO_IRQ, NO_IRQ }
+#define SMC_DMA { 0, 0 }
+#define MPMC_IRQ { NO_IRQ, NO_IRQ }
+#define MPMC_DMA { 0, 0 }
+#define CLCD_IRQ { IRQ_CLCDINT, NO_IRQ }
+#define CLCD_DMA { 0, 0 }
+#define DMAC_IRQ { IRQ_DMAINT, NO_IRQ }
+#define DMAC_DMA { 0, 0 }
+
+/*
+ * These devices are connected via the core APB bridge
+ */
+#define SCTL_IRQ { NO_IRQ, NO_IRQ }
+#define SCTL_DMA { 0, 0 }
+#define WATCHDOG_IRQ { IRQ_WDOGINT, NO_IRQ }
+#define WATCHDOG_DMA { 0, 0 }
+#define GPIO0_IRQ { IRQ_GPIOINT0, NO_IRQ }
+#define GPIO0_DMA { 0, 0 }
+#define GPIO1_IRQ { IRQ_GPIOINT1, NO_IRQ }
+#define GPIO1_DMA { 0, 0 }
+#define RTC_IRQ { IRQ_RTCINT, NO_IRQ }
+#define RTC_DMA { 0, 0 }
+
+/*
+ * These devices are connected via the DMA APB bridge
+ */
+#define SCI_IRQ { IRQ_SCIINT, NO_IRQ }
+#define SCI_DMA { 7, 6 }
+#define UART0_IRQ { IRQ_UARTINT0, NO_IRQ }
+#define UART0_DMA { 15, 14 }
+#define UART1_IRQ { IRQ_UARTINT1, NO_IRQ }
+#define UART1_DMA { 13, 12 }
+#define UART2_IRQ { IRQ_UARTINT2, NO_IRQ }
+#define UART2_DMA { 11, 10 }
+#define UART3_IRQ { IRQ_UART3, NO_IRQ }
+#define UART3_DMA { 0x86, 0x87 }
+#define SSP_IRQ { IRQ_SSPINT, NO_IRQ }
+#define SSP_DMA { 9, 8 }
+
+
+extern struct platform_device realview_flash_device;
+extern struct platform_device realview_smc91x_device;
+extern struct mmc_platform_data realview_mmc0_plat_data;
+extern struct mmc_platform_data realview_mmc1_plat_data;
+extern struct clk realview_clcd_clk;
+extern struct clcd_board clcd_plat_data;
+
+extern void realview_leds_event(led_event_t ledevt);
+
+#endif
--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/realview_eb.c
+ *
+ * Copyright (C) 2004 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+#include <asm/hardware/gic.h>
+#include <asm/hardware/amba.h>
+#include <asm/hardware/icst307.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/mmc.h>
+
+#include <asm/arch/irqs.h>
+
+#include "core.h"
+#include "clock.h"
+
+static struct map_desc realview_eb_io_desc[] __initdata = {
+ { IO_ADDRESS(REALVIEW_SYS_BASE), REALVIEW_SYS_BASE, SZ_4K, MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_GIC_CPU_BASE), REALVIEW_GIC_CPU_BASE, SZ_4K, MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_GIC_DIST_BASE), REALVIEW_GIC_DIST_BASE, SZ_4K, MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_SCTL_BASE), REALVIEW_SCTL_BASE, SZ_4K, MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_TIMER0_1_BASE), REALVIEW_TIMER0_1_BASE, SZ_4K, MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_TIMER2_3_BASE), REALVIEW_TIMER2_3_BASE, SZ_4K, MT_DEVICE },
+#ifdef CONFIG_DEBUG_LL
+ { IO_ADDRESS(REALVIEW_UART0_BASE), REALVIEW_UART0_BASE, SZ_4K, MT_DEVICE },
+#endif
+};
+
+static void __init realview_eb_map_io(void)
+{
+ iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc));
+}
+
+/* FPGA Primecells */
+AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
+AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data);
+AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL);
+AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL);
+AMBA_DEVICE(uart3, "fpga:09", UART3, NULL);
+
+/* DevChip Primecells */
+AMBA_DEVICE(smc, "dev:00", SMC, NULL);
+AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
+AMBA_DEVICE(dmac, "dev:30", DMAC, NULL);
+AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
+AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
+AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL);
+AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
+AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
+AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
+AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
+AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
+AMBA_DEVICE(uart1, "dev:f2", UART1, NULL);
+AMBA_DEVICE(uart2, "dev:f3", UART2, NULL);
+AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL);
+
+static struct amba_device *amba_devs[] __initdata = {
+ &dmac_device,
+ &uart0_device,
+ &uart1_device,
+ &uart2_device,
+ &uart3_device,
+ &smc_device,
+ &clcd_device,
+ &sctl_device,
+ &wdog_device,
+ &gpio0_device,
+ &gpio1_device,
+ &gpio2_device,
+ &rtc_device,
+ &sci0_device,
+ &ssp0_device,
+ &aaci_device,
+ &mmc0_device,
+ &kmi0_device,
+ &kmi1_device,
+};
+
+static void __init gic_init_irq(void)
+{
+ gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
+ gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE));
+}
+
+static void __init realview_eb_init(void)
+{
+ int i;
+
+ clk_register(&realview_clcd_clk);
+
+ platform_device_register(&realview_flash_device);
+ platform_device_register(&realview_smc91x_device);
+
+ for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
+ struct amba_device *d = amba_devs[i];
+ amba_device_register(d, &iomem_resource);
+ }
+
+#ifdef CONFIG_LEDS
+ leds_event = realview_leds_event;
+#endif
+}
+
+MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
+ /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
+ .phys_ram = 0x00000000,
+ .phys_io = REALVIEW_UART0_BASE,
+ .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .map_io = realview_eb_map_io,
+ .init_irq = gic_init_irq,
+ .timer = &realview_timer,
+ .init_machine = realview_eb_init,
+MACHINE_END
# ARM926T
config CPU_ARM926T
- bool "Support ARM926T processor" if ARCH_INTEGRATOR
- depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX
+ bool "Support ARM926T processor"
+ depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB
default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX
select CPU_32v5
select CPU_ABRT_EV5TJ
# ARMv6
config CPU_V6
bool "Support ARM V6 processor"
- depends on ARCH_INTEGRATOR
+ depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
select CPU_32v6
select CPU_ABRT_EV6
select CPU_CACHE_V6
--- /dev/null
+/* linux/include/asm-arm/arch-realview/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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 <asm/hardware/amba_serial.h>
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0x10000000
+ movne \rx, #0xf1000000 @ virtual base
+ orr \rx, \rx, #0x00009000
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #UART01x_DR]
+ .endm
+
+ .macro waituart,rd,rx
+1001: ldr \rd, [\rx, #0x18] @ UARTFLG
+ tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
+ bne 1001b
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #0x18] @ UARTFLG
+ tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
+ bne 1001b
+ .endm
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/dma.h
+ *
+ * Copyright (C) 2003 ARM Limited.
+ * Copyright (C) 1997,1998 Russell King
+ *
+ * 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
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#define MAX_DMA_ADDRESS 0xffffffff
+#define MAX_DMA_CHANNELS 0
+
+#endif /* _ASM_ARCH_DMA_H */
--- /dev/null
+/*
+ * include/asm-arm/arch-realview/entry-macro.S
+ *
+ * Low-level IRQ helper macros for RealView platforms
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <asm/hardware/gic.h>
+
+ .macro disable_fiq
+ .endm
+
+ /*
+ * The interrupt numbering scheme is defined in the
+ * interrupt controller spec. To wit:
+ *
+ * Interrupts 0-15 are IPI
+ * 16-28 are reserved
+ * 29-31 are local. We allow 30 to be used for the watchdog.
+ * 32-1020 are global
+ * 1021-1022 are reserved
+ * 1023 is "spurious" (no interrupt)
+ *
+ * For now, we ignore all local interrupts so only return an interrupt if it's
+ * between 30 and 1020. The test_for_ipi routine below will pick up on IPIs.
+ *
+ * A simple read from the controller will tell us the number of the highest
+ * priority enabled interrupt. We then just need to check whether it is in the
+ * valid range for an IRQ (30-1020 inclusive).
+ */
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ ldr \base, =IO_ADDRESS(REALVIEW_GIC_CPU_BASE)
+ ldr \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
+
+ ldr \tmp, =1021
+
+ bic \irqnr, \irqstat, #0x1c00
+
+ cmp \irqnr, #29
+ cmpcc \irqnr, \irqnr
+ cmpne \irqnr, \tmp
+ cmpcs \irqnr, \irqnr
+
+ .endm
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/hardware.h
+ *
+ * This file contains the hardware definitions of the RealView boards.
+ *
+ * Copyright (C) 2003 ARM Limited.
+ *
+ * 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
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/sizes.h>
+#include <asm/arch/platform.h>
+
+/* macro to get at IO space when running virtually */
+#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+
+#endif
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/io.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ *
+ * 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
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+static inline void __iomem *__io(unsigned long addr)
+{
+ return (void __iomem *)addr;
+}
+
+#define __io(a) __io(a)
+#define __mem_pci(a) (a)
+#define __mem_isa(a) (a)
+
+#endif
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/irqs.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd.
+ *
+ * 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 <asm/arch/platform.h>
+
+/*
+ * IRQ interrupts definitions are the same the INT definitions
+ * held within platform.h
+ */
+#define IRQ_GIC_START 32
+#define IRQ_WDOGINT (IRQ_GIC_START + INT_WDOGINT)
+#define IRQ_SOFTINT (IRQ_GIC_START + INT_SOFTINT)
+#define IRQ_COMMRx (IRQ_GIC_START + INT_COMMRx)
+#define IRQ_COMMTx (IRQ_GIC_START + INT_COMMTx)
+#define IRQ_TIMERINT0_1 (IRQ_GIC_START + INT_TIMERINT0_1)
+#define IRQ_TIMERINT2_3 (IRQ_GIC_START + INT_TIMERINT2_3)
+#define IRQ_GPIOINT0 (IRQ_GIC_START + INT_GPIOINT0)
+#define IRQ_GPIOINT1 (IRQ_GIC_START + INT_GPIOINT1)
+#define IRQ_GPIOINT2 (IRQ_GIC_START + INT_GPIOINT2)
+#define IRQ_GPIOINT3 (IRQ_GIC_START + INT_GPIOINT3)
+#define IRQ_RTCINT (IRQ_GIC_START + INT_RTCINT)
+#define IRQ_SSPINT (IRQ_GIC_START + INT_SSPINT)
+#define IRQ_UARTINT0 (IRQ_GIC_START + INT_UARTINT0)
+#define IRQ_UARTINT1 (IRQ_GIC_START + INT_UARTINT1)
+#define IRQ_UARTINT2 (IRQ_GIC_START + INT_UARTINT2)
+#define IRQ_UART3 (IRQ_GIC_START + INT_UARTINT3)
+#define IRQ_SCIINT (IRQ_GIC_START + INT_SCIINT)
+#define IRQ_CLCDINT (IRQ_GIC_START + INT_CLCDINT)
+#define IRQ_DMAINT (IRQ_GIC_START + INT_DMAINT)
+#define IRQ_PWRFAILINT (IRQ_GIC_START + INT_PWRFAILINT)
+#define IRQ_MBXINT (IRQ_GIC_START + INT_MBXINT)
+#define IRQ_GNDINT (IRQ_GIC_START + INT_GNDINT)
+#define IRQ_MMCI0B (IRQ_GIC_START + INT_MMCI0B)
+#define IRQ_MMCI1B (IRQ_GIC_START + INT_MMCI1B)
+#define IRQ_KMI0 (IRQ_GIC_START + INT_KMI0)
+#define IRQ_KMI1 (IRQ_GIC_START + INT_KMI1)
+#define IRQ_SCI3 (IRQ_GIC_START + INT_SCI3)
+#define IRQ_CLCD (IRQ_GIC_START + INT_CLCD)
+#define IRQ_TOUCH (IRQ_GIC_START + INT_TOUCH)
+#define IRQ_KEYPAD (IRQ_GIC_START + INT_KEYPAD)
+#define IRQ_DoC (IRQ_GIC_START + INT_DoC)
+#define IRQ_MMCI0A (IRQ_GIC_START + INT_MMCI0A)
+#define IRQ_MMCI1A (IRQ_GIC_START + INT_MMCI1A)
+#define IRQ_AACI (IRQ_GIC_START + INT_AACI)
+#define IRQ_ETH (IRQ_GIC_START + INT_ETH)
+#define IRQ_USB (IRQ_GIC_START + INT_USB)
+
+#define IRQMASK_WDOGINT INTMASK_WDOGINT
+#define IRQMASK_SOFTINT INTMASK_SOFTINT
+#define IRQMASK_COMMRx INTMASK_COMMRx
+#define IRQMASK_COMMTx INTMASK_COMMTx
+#define IRQMASK_TIMERINT0_1 INTMASK_TIMERINT0_1
+#define IRQMASK_TIMERINT2_3 INTMASK_TIMERINT2_3
+#define IRQMASK_GPIOINT0 INTMASK_GPIOINT0
+#define IRQMASK_GPIOINT1 INTMASK_GPIOINT1
+#define IRQMASK_GPIOINT2 INTMASK_GPIOINT2
+#define IRQMASK_GPIOINT3 INTMASK_GPIOINT3
+#define IRQMASK_RTCINT INTMASK_RTCINT
+#define IRQMASK_SSPINT INTMASK_SSPINT
+#define IRQMASK_UARTINT0 INTMASK_UARTINT0
+#define IRQMASK_UARTINT1 INTMASK_UARTINT1
+#define IRQMASK_UARTINT2 INTMASK_UARTINT2
+#define IRQMASK_SCIINT INTMASK_SCIINT
+#define IRQMASK_CLCDINT INTMASK_CLCDINT
+#define IRQMASK_DMAINT INTMASK_DMAINT
+#define IRQMASK_PWRFAILINT INTMASK_PWRFAILINT
+#define IRQMASK_MBXINT INTMASK_MBXINT
+#define IRQMASK_GNDINT INTMASK_GNDINT
+#define IRQMASK_MMCI0B INTMASK_MMCI0B
+#define IRQMASK_MMCI1B INTMASK_MMCI1B
+#define IRQMASK_KMI0 INTMASK_KMI0
+#define IRQMASK_KMI1 INTMASK_KMI1
+#define IRQMASK_SCI3 INTMASK_SCI3
+#define IRQMASK_UART3 INTMASK_UART3
+#define IRQMASK_CLCD INTMASK_CLCD
+#define IRQMASK_TOUCH INTMASK_TOUCH
+#define IRQMASK_KEYPAD INTMASK_KEYPAD
+#define IRQMASK_DoC INTMASK_DoC
+#define IRQMASK_MMCI0A INTMASK_MMCI0A
+#define IRQMASK_MMCI1A INTMASK_MMCI1A
+#define IRQMASK_AACI INTMASK_AACI
+#define IRQMASK_ETH INTMASK_ETH
+#define IRQMASK_USB INTMASK_USB
+
+#define NR_IRQS (IRQ_GIC_START + 64)
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/memory.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ *
+ * 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
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET (0x00000000UL)
+
+/*
+ * Virtual view <-> DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ * address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ * to an address that the kernel can use.
+ */
+#define __virt_to_bus(x) ((x) - PAGE_OFFSET)
+#define __bus_to_virt(x) ((x) + PAGE_OFFSET)
+
+#endif
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/param.h
+ *
+ * Copyright (C) 2002 ARM Limited
+ *
+ * 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
+ */
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/platform.h
+ *
+ * Copyright (c) ARM Limited 2003. All rights reserved.
+ *
+ * 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
+ */
+
+#ifndef __address_h
+#define __address_h 1
+
+/*
+ * Memory definitions
+ */
+#define REALVIEW_BOOT_ROM_LO 0x30000000 /* DoC Base (64Mb)...*/
+#define REALVIEW_BOOT_ROM_HI 0x30000000
+#define REALVIEW_BOOT_ROM_BASE REALVIEW_BOOT_ROM_HI /* Normal position */
+#define REALVIEW_BOOT_ROM_SIZE SZ_64M
+
+#define REALVIEW_SSRAM_BASE /* REALVIEW_SSMC_BASE ? */
+#define REALVIEW_SSRAM_SIZE SZ_2M
+
+#define REALVIEW_FLASH_BASE 0x40000000
+#define REALVIEW_FLASH_SIZE SZ_64M
+
+/*
+ * SDRAM
+ */
+#define REALVIEW_SDRAM_BASE 0x00000000
+
+/*
+ * Logic expansion modules
+ *
+ */
+
+
+/* ------------------------------------------------------------------------
+ * RealView Registers
+ * ------------------------------------------------------------------------
+ *
+ */
+#define REALVIEW_SYS_ID_OFFSET 0x00
+#define REALVIEW_SYS_SW_OFFSET 0x04
+#define REALVIEW_SYS_LED_OFFSET 0x08
+#define REALVIEW_SYS_OSC0_OFFSET 0x0C
+
+#define REALVIEW_SYS_OSC1_OFFSET 0x10
+#define REALVIEW_SYS_OSC2_OFFSET 0x14
+#define REALVIEW_SYS_OSC3_OFFSET 0x18
+#define REALVIEW_SYS_OSC4_OFFSET 0x1C /* OSC1 for RealView/AB */
+
+#define REALVIEW_SYS_LOCK_OFFSET 0x20
+#define REALVIEW_SYS_100HZ_OFFSET 0x24
+#define REALVIEW_SYS_CFGDATA1_OFFSET 0x28
+#define REALVIEW_SYS_CFGDATA2_OFFSET 0x2C
+#define REALVIEW_SYS_FLAGS_OFFSET 0x30
+#define REALVIEW_SYS_FLAGSSET_OFFSET 0x30
+#define REALVIEW_SYS_FLAGSCLR_OFFSET 0x34
+#define REALVIEW_SYS_NVFLAGS_OFFSET 0x38
+#define REALVIEW_SYS_NVFLAGSSET_OFFSET 0x38
+#define REALVIEW_SYS_NVFLAGSCLR_OFFSET 0x3C
+#define REALVIEW_SYS_RESETCTL_OFFSET 0x40
+#define REALVIEW_SYS_PCICTL_OFFSET 0x44
+#define REALVIEW_SYS_MCI_OFFSET 0x48
+#define REALVIEW_SYS_FLASH_OFFSET 0x4C
+#define REALVIEW_SYS_CLCD_OFFSET 0x50
+#define REALVIEW_SYS_CLCDSER_OFFSET 0x54
+#define REALVIEW_SYS_BOOTCS_OFFSET 0x58
+#define REALVIEW_SYS_24MHz_OFFSET 0x5C
+#define REALVIEW_SYS_MISC_OFFSET 0x60
+#define REALVIEW_SYS_IOSEL_OFFSET 0x70
+#define REALVIEW_SYS_TEST_OSC0_OFFSET 0x80
+#define REALVIEW_SYS_TEST_OSC1_OFFSET 0x84
+#define REALVIEW_SYS_TEST_OSC2_OFFSET 0x88
+#define REALVIEW_SYS_TEST_OSC3_OFFSET 0x8C
+#define REALVIEW_SYS_TEST_OSC4_OFFSET 0x90
+
+#define REALVIEW_SYS_BASE 0x10000000
+#define REALVIEW_SYS_ID (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
+#define REALVIEW_SYS_SW (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
+#define REALVIEW_SYS_LED (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
+#define REALVIEW_SYS_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
+#define REALVIEW_SYS_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
+
+#define REALVIEW_SYS_LOCK (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
+#define REALVIEW_SYS_100HZ (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
+#define REALVIEW_SYS_CFGDATA1 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
+#define REALVIEW_SYS_CFGDATA2 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
+#define REALVIEW_SYS_FLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
+#define REALVIEW_SYS_FLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
+#define REALVIEW_SYS_FLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
+#define REALVIEW_SYS_NVFLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
+#define REALVIEW_SYS_NVFLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
+#define REALVIEW_SYS_NVFLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
+#define REALVIEW_SYS_RESETCTL (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
+#define REALVIEW_SYS_PCICTL (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
+#define REALVIEW_SYS_MCI (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
+#define REALVIEW_SYS_FLASH (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
+#define REALVIEW_SYS_CLCD (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
+#define REALVIEW_SYS_CLCDSER (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
+#define REALVIEW_SYS_BOOTCS (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
+#define REALVIEW_SYS_24MHz (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
+#define REALVIEW_SYS_MISC (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
+#define REALVIEW_SYS_IOSEL (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
+#define REALVIEW_SYS_TEST_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
+#define REALVIEW_SYS_TEST_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
+#define REALVIEW_SYS_TEST_OSC2 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
+#define REALVIEW_SYS_TEST_OSC3 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
+#define REALVIEW_SYS_TEST_OSC4 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
+
+/*
+ * Values for REALVIEW_SYS_RESET_CTRL
+ */
+#define REALVIEW_SYS_CTRL_RESET_CONFIGCLR 0x01
+#define REALVIEW_SYS_CTRL_RESET_CONFIGINIT 0x02
+#define REALVIEW_SYS_CTRL_RESET_DLLRESET 0x03
+#define REALVIEW_SYS_CTRL_RESET_PLLRESET 0x04
+#define REALVIEW_SYS_CTRL_RESET_POR 0x05
+#define REALVIEW_SYS_CTRL_RESET_DoC 0x06
+
+#define REALVIEW_SYS_CTRL_LED (1 << 0)
+
+
+/* ------------------------------------------------------------------------
+ * RealView control registers
+ * ------------------------------------------------------------------------
+ */
+
+/*
+ * REALVIEW_IDFIELD
+ *
+ * 31:24 = manufacturer (0x41 = ARM)
+ * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
+ * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
+ * 11:4 = build value
+ * 3:0 = revision number (0x1 = rev B (AHB))
+ */
+
+/*
+ * REALVIEW_SYS_LOCK
+ * control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
+ * SYS_CLD, SYS_BOOTCS
+ */
+#define REALVIEW_SYS_LOCK_LOCKED (1 << 16)
+#define REALVIEW_SYS_LOCKVAL_MASK 0xFFFF /* write 0xA05F to enable write access */
+
+/*
+ * REALVIEW_SYS_FLASH
+ */
+#define REALVIEW_FLASHPROG_FLVPPEN (1 << 0) /* Enable writing to flash */
+
+/*
+ * REALVIEW_INTREG
+ * - used to acknowledge and control MMCI and UART interrupts
+ */
+#define REALVIEW_INTREG_WPROT 0x00 /* MMC protection status (no interrupt generated) */
+#define REALVIEW_INTREG_RI0 0x01 /* Ring indicator UART0 is asserted, */
+#define REALVIEW_INTREG_CARDIN 0x08 /* MMCI card in detect */
+ /* write 1 to acknowledge and clear */
+#define REALVIEW_INTREG_RI1 0x02 /* Ring indicator UART1 is asserted, */
+#define REALVIEW_INTREG_CARDINSERT 0x03 /* Signal insertion of MMC card */
+
+/*
+ * REALVIEW peripheral addresses
+ */
+#define REALVIEW_SCTL_BASE 0x10001000 /* System controller */
+#define REALVIEW_I2C_BASE 0x10002000 /* I2C control */
+ /* Reserved 0x10003000 */
+#define REALVIEW_AACI_BASE 0x10004000 /* Audio */
+#define REALVIEW_MMCI0_BASE 0x10005000 /* MMC interface */
+#define REALVIEW_KMI0_BASE 0x10006000 /* KMI interface */
+#define REALVIEW_KMI1_BASE 0x10007000 /* KMI 2nd interface */
+#define REALVIEW_CHAR_LCD_BASE 0x10008000 /* Character LCD */
+#define REALVIEW_UART0_BASE 0x10009000 /* UART 0 */
+#define REALVIEW_UART1_BASE 0x1000A000 /* UART 1 */
+#define REALVIEW_UART2_BASE 0x1000B000 /* UART 2 */
+#define REALVIEW_UART3_BASE 0x1000C000 /* UART 3 */
+#define REALVIEW_SSP_BASE 0x1000D000 /* Synchronous Serial Port */
+#define REALVIEW_SCI_BASE 0x1000E000 /* Smart card controller */
+ /* Reserved 0x1000F000 */
+#define REALVIEW_WATCHDOG_BASE 0x10010000 /* watchdog interface */
+#define REALVIEW_TIMER0_1_BASE 0x10011000 /* Timer 0 and 1 */
+#define REALVIEW_TIMER2_3_BASE 0x10012000 /* Timer 2 and 3 */
+#define REALVIEW_GPIO0_BASE 0x10013000 /* GPIO port 0 */
+#define REALVIEW_GPIO1_BASE 0x10014000 /* GPIO port 1 */
+#define REALVIEW_GPIO2_BASE 0x10015000 /* GPIO port 2 */
+ /* Reserved 0x10016000 */
+#define REALVIEW_RTC_BASE 0x10017000 /* Real Time Clock */
+#define REALVIEW_DMC_BASE 0x10018000 /* DMC configuration */
+#define REALVIEW_PCI_CORE_BASE 0x10019000 /* PCI configuration */
+ /* Reserved 0x1001A000 - 0x1001FFFF */
+#define REALVIEW_CLCD_BASE 0x10020000 /* CLCD */
+#define REALVIEW_DMAC_BASE 0x10030000 /* DMA controller */
+#define REALVIEW_GIC_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */
+#define REALVIEW_GIC_DIST_BASE 0x10041000 /* Generic interrupt controller distributor */
+#define REALVIEW_SMC_BASE 0x10080000 /* SMC */
+ /* Reserved 0x10090000 - 0x100EFFFF */
+
+#define REALVIEW_ETH_BASE 0x4E000000 /* Ethernet */
+
+/* PCI space */
+#define REALVIEW_PCI_BASE 0x41000000 /* PCI Interface */
+#define REALVIEW_PCI_CFG_BASE 0x42000000
+#define REALVIEW_PCI_MEM_BASE0 0x44000000
+#define REALVIEW_PCI_MEM_BASE1 0x50000000
+#define REALVIEW_PCI_MEM_BASE2 0x60000000
+/* Sizes of above maps */
+#define REALVIEW_PCI_BASE_SIZE 0x01000000
+#define REALVIEW_PCI_CFG_BASE_SIZE 0x02000000
+#define REALVIEW_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */
+#define REALVIEW_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */
+#define REALVIEW_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */
+
+#define REALVIEW_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */
+#define REALVIEW_LT_BASE 0x80000000 /* Logic Tile expansion */
+
+/*
+ * Disk on Chip
+ */
+#define REALVIEW_DOC_BASE 0x2C000000
+#define REALVIEW_DOC_SIZE (16 << 20)
+#define REALVIEW_DOC_PAGE_SIZE 512
+#define REALVIEW_DOC_TOTAL_PAGES (DOC_SIZE / PAGE_SIZE)
+
+#define ERASE_UNIT_PAGES 32
+#define START_PAGE 0x80
+
+/*
+ * LED settings, bits [7:0]
+ */
+#define REALVIEW_SYS_LED0 (1 << 0)
+#define REALVIEW_SYS_LED1 (1 << 1)
+#define REALVIEW_SYS_LED2 (1 << 2)
+#define REALVIEW_SYS_LED3 (1 << 3)
+#define REALVIEW_SYS_LED4 (1 << 4)
+#define REALVIEW_SYS_LED5 (1 << 5)
+#define REALVIEW_SYS_LED6 (1 << 6)
+#define REALVIEW_SYS_LED7 (1 << 7)
+
+#define ALL_LEDS 0xFF
+
+#define LED_BANK REALVIEW_SYS_LED
+
+/*
+ * Control registers
+ */
+#define REALVIEW_IDFIELD_OFFSET 0x0 /* RealView build information */
+#define REALVIEW_FLASHPROG_OFFSET 0x4 /* Flash devices */
+#define REALVIEW_INTREG_OFFSET 0x8 /* Interrupt control */
+#define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */
+
+/* ------------------------------------------------------------------------
+ * Interrupts - bit assignment (primary)
+ * ------------------------------------------------------------------------
+ */
+#define INT_WDOGINT 0 /* Watchdog timer */
+#define INT_SOFTINT 1 /* Software interrupt */
+#define INT_COMMRx 2 /* Debug Comm Rx interrupt */
+#define INT_COMMTx 3 /* Debug Comm Tx interrupt */
+#define INT_TIMERINT0_1 4 /* Timer 0 and 1 */
+#define INT_TIMERINT2_3 5 /* Timer 2 and 3 */
+#define INT_GPIOINT0 6 /* GPIO 0 */
+#define INT_GPIOINT1 7 /* GPIO 1 */
+#define INT_GPIOINT2 8 /* GPIO 2 */
+/* 9 reserved */
+#define INT_RTCINT 10 /* Real Time Clock */
+#define INT_SSPINT 11 /* Synchronous Serial Port */
+#define INT_UARTINT0 12 /* UART 0 on development chip */
+#define INT_UARTINT1 13 /* UART 1 on development chip */
+#define INT_UARTINT2 14 /* UART 2 on development chip */
+#define INT_UARTINT3 15 /* UART 3 on development chip */
+#define INT_SCIINT 16 /* Smart Card Interface */
+#define INT_MMCI0A 17 /* Multimedia Card 0A */
+#define INT_MMCI0B 18 /* Multimedia Card 0B */
+#define INT_AACI 19 /* Audio Codec */
+#define INT_KMI0 20 /* Keyboard/Mouse port 0 */
+#define INT_KMI1 21 /* Keyboard/Mouse port 1 */
+#define INT_CHARLCD 22 /* Character LCD */
+#define INT_CLCDINT 23 /* CLCD controller */
+#define INT_DMAINT 24 /* DMA controller */
+#define INT_PWRFAILINT 25 /* Power failure */
+#define INT_PISMO 26
+#define INT_DoC 27 /* Disk on Chip memory controller */
+#define INT_ETH 28 /* Ethernet controller */
+#define INT_USB 29 /* USB controller */
+#define INT_TSPENINT 30 /* Touchscreen pen */
+#define INT_TSKPADINT 31 /* Touchscreen keypad */
+
+/*
+ * Interrupt bit positions
+ *
+ */
+#define INTMASK_WDOGINT (1 << INT_WDOGINT)
+#define INTMASK_SOFTINT (1 << INT_SOFTINT)
+#define INTMASK_COMMRx (1 << INT_COMMRx)
+#define INTMASK_COMMTx (1 << INT_COMMTx)
+#define INTMASK_TIMERINT0_1 (1 << INT_TIMERINT0_1)
+#define INTMASK_TIMERINT2_3 (1 << INT_TIMERINT2_3)
+#define INTMASK_GPIOINT0 (1 << INT_GPIOINT0)
+#define INTMASK_GPIOINT1 (1 << INT_GPIOINT1)
+#define INTMASK_GPIOINT2 (1 << INT_GPIOINT2)
+#define INTMASK_RTCINT (1 << INT_RTCINT)
+#define INTMASK_SSPINT (1 << INT_SSPINT)
+#define INTMASK_UARTINT0 (1 << INT_UARTINT0)
+#define INTMASK_UARTINT1 (1 << INT_UARTINT1)
+#define INTMASK_UARTINT2 (1 << INT_UARTINT2)
+#define INTMASK_UARTINT3 (1 << INT_UARTINT3)
+#define INTMASK_SCIINT (1 << INT_SCIINT)
+#define INTMASK_MMCI0A (1 << INT_MMCI0A)
+#define INTMASK_MMCI0B (1 << INT_MMCI0B)
+#define INTMASK_AACI (1 << INT_AACI)
+#define INTMASK_KMI0 (1 << INT_KMI0)
+#define INTMASK_KMI1 (1 << INT_KMI1)
+#define INTMASK_CHARLCD (1 << INT_CHARLCD)
+#define INTMASK_CLCDINT (1 << INT_CLCDINT)
+#define INTMASK_DMAINT (1 << INT_DMAINT)
+#define INTMASK_PWRFAILINT (1 << INT_PWRFAILINT)
+#define INTMASK_PISMO (1 << INT_PISMO)
+#define INTMASK_DoC (1 << INT_DoC)
+#define INTMASK_ETH (1 << INT_ETH)
+#define INTMASK_USB (1 << INT_USB)
+#define INTMASK_TSPENINT (1 << INT_TSPENINT)
+#define INTMASK_TSKPADINT (1 << INT_TSKPADINT)
+
+#define MAXIRQNUM 31
+#define MAXFIQNUM 31
+#define MAXSWINUM 31
+
+/*
+ * Application Flash
+ *
+ */
+#define FLASH_BASE REALVIEW_FLASH_BASE
+#define FLASH_SIZE REALVIEW_FLASH_SIZE
+#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
+#define FLASH_BLOCK_SIZE SZ_128K
+
+/*
+ * Boot Flash
+ *
+ */
+#define EPROM_BASE REALVIEW_BOOT_ROM_HI
+#define EPROM_SIZE REALVIEW_BOOT_ROM_SIZE
+#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
+
+/*
+ * Clean base - dummy
+ *
+ */
+#define CLEAN_BASE EPROM_BASE
+
+/*
+ * System controller bit assignment
+ */
+#define REALVIEW_REFCLK 0
+#define REALVIEW_TIMCLK 1
+
+#define REALVIEW_TIMER1_EnSel 15
+#define REALVIEW_TIMER2_EnSel 17
+#define REALVIEW_TIMER3_EnSel 19
+#define REALVIEW_TIMER4_EnSel 21
+
+
+#define MAX_TIMER 2
+#define MAX_PERIOD 699050
+#define TICKS_PER_uSEC 1
+
+/*
+ * These are useconds NOT ticks.
+ *
+ */
+#define mSEC_1 1000
+#define mSEC_5 (mSEC_1 * 5)
+#define mSEC_10 (mSEC_1 * 10)
+#define mSEC_25 (mSEC_1 * 25)
+#define SEC_1 (mSEC_1 * 1000)
+
+#define REALVIEW_CSR_BASE 0x10000000
+#define REALVIEW_CSR_SIZE 0x10000000
+
+#endif
+
+/* END */
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/system.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/platform.h>
+
+static inline void arch_idle(void)
+{
+ /*
+ * This should do all the clock switching
+ * and wait for interrupt tricks
+ */
+ cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+ unsigned int hdr_ctrl = (IO_ADDRESS(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET);
+ unsigned int val;
+
+ /*
+ * To reset, we hit the on-board reset register
+ * in the system FPGA
+ */
+ val = __raw_readl(hdr_ctrl);
+ val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR;
+ __raw_writel(val, hdr_ctrl);
+}
+
+#endif
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/timex.h
+ *
+ * RealView architecture timex specifications
+ *
+ * Copyright (C) 2003 ARM Limited
+ *
+ * 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
+ */
+
+#define CLOCK_TICK_RATE (50000000 / 16)
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/uncompress.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ *
+ * 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 <asm/hardware.h>
+
+#define AMBA_UART_DR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x00))
+#define AMBA_UART_LCRH (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x2c))
+#define AMBA_UART_CR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x30))
+#define AMBA_UART_FR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x18))
+
+/*
+ * This does not append a newline
+ */
+static void putstr(const char *s)
+{
+ while (*s) {
+ while (AMBA_UART_FR & (1 << 5))
+ barrier();
+
+ AMBA_UART_DR = *s;
+
+ if (*s == '\n') {
+ while (AMBA_UART_FR & (1 << 5))
+ barrier();
+
+ AMBA_UART_DR = '\r';
+ }
+ s++;
+ }
+ while (AMBA_UART_FR & (1 << 3))
+ barrier();
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
--- /dev/null
+/*
+ * linux/include/asm-arm/arch-realview/vmalloc.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ * Copyright (C) 2000 Russell King.
+ *
+ * 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
+ */
+#define VMALLOC_END (PAGE_OFFSET + 0x18000000)
#define CLCD_UBAS 0x00000010
#define CLCD_LBAS 0x00000014
-#ifndef CONFIG_ARCH_VERSATILE
+#if !defined(CONFIG_ARCH_VERSATILE) && !defined(CONFIG_ARCH_REALVIEW)
#define CLCD_IENB 0x00000018
#define CLCD_CNTL 0x0000001c
#else
projects / linux-2.6-omap-h63xx.git / commitdiff