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-rw-r--r--arch/arm/mach-clps711x/board-edb7211.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/board-edb7211.c b/arch/arm/mach-clps711x/board-edb7211.c
new file mode 100644
index 0000000..71aa5cf
--- /dev/null
+++ b/arch/arm/mach-clps711x/board-edb7211.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2000, 2001 Blue Mug, Inc. 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.
+ */
+
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/backlight.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/setup.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <video/platform_lcd.h>
+
+#include <mach/hardware.h>
+
+#include "common.h"
+
+#define VIDEORAM_SIZE SZ_128K
+
+#define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1)
+#define EDB7211_LCDEN CLPS711X_GPIO(3, 2)
+#define EDB7211_LCDBL CLPS711X_GPIO(3, 3)
+
+#define EDB7211_FLASH0_BASE (CS0_PHYS_BASE)
+#define EDB7211_FLASH1_BASE (CS1_PHYS_BASE)
+#define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300)
+#define EDB7211_CS8900_IRQ (IRQ_EINT3)
+
+static struct resource edb7211_cs8900_resource[] __initdata = {
+ DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
+ DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
+};
+
+static struct mtd_partition edb7211_flash_partitions[] __initdata = {
+ {
+ .name = "Flash",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data edb7211_flash_pdata __initdata = {
+ .width = 4,
+ .parts = edb7211_flash_partitions,
+ .nr_parts = ARRAY_SIZE(edb7211_flash_partitions),
+};
+
+static struct resource edb7211_flash_resources[] __initdata = {
+ DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
+ DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
+};
+
+static struct platform_device edb7211_flash_pdev __initdata = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = edb7211_flash_resources,
+ .num_resources = ARRAY_SIZE(edb7211_flash_resources),
+ .dev = {
+ .platform_data = &edb7211_flash_pdata,
+ },
+};
+
+static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
+{
+ if (power) {
+ gpio_set_value(EDB7211_LCDEN, 1);
+ udelay(100);
+ gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
+ } else {
+ gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
+ udelay(100);
+ gpio_set_value(EDB7211_LCDEN, 0);
+ }
+}
+
+static struct plat_lcd_data edb7211_lcd_power_pdata = {
+ .set_power = edb7211_lcd_power_set,
+};
+
+static void edb7211_lcd_backlight_set_intensity(int intensity)
+{
+ gpio_set_value(EDB7211_LCDBL, intensity);
+}
+
+static struct generic_bl_info edb7211_lcd_backlight_pdata = {
+ .name = "lcd-backlight.0",
+ .default_intensity = 0x01,
+ .max_intensity = 0x01,
+ .set_bl_intensity = edb7211_lcd_backlight_set_intensity,
+};
+
+static struct gpio edb7211_gpios[] __initconst = {
+ { EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" },
+ { EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" },
+ { EDB7211_LCDBL, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT" },
+};
+
+static struct map_desc edb7211_io_desc[] __initdata = {
+ { /* Memory-mapped extra keyboard row */
+ .virtual = IO_ADDRESS(EP7211_PHYS_EXTKBD),
+ .pfn = __phys_to_pfn(EP7211_PHYS_EXTKBD),
+ .length = SZ_1M,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init edb7211_map_io(void)
+{
+ clps711x_map_io();
+ iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
+}
+
+/* Reserve screen memory region at the start of main system memory. */
+static void __init edb7211_reserve(void)
+{
+ memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
+}
+
+static void __init
+fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+ /*
+ * Bank start addresses are not present in the information
+ * passed in from the boot loader. We could potentially
+ * detect them, but instead we hard-code them.
+ *
+ * Banks sizes _are_ present in the param block, but we're
+ * not using that information yet.
+ */
+ mi->bank[0].start = 0xc0000000;
+ mi->bank[0].size = SZ_8M;
+ mi->bank[1].start = 0xc1000000;
+ mi->bank[1].size = SZ_8M;
+ mi->nr_banks = 2;
+}
+
+static void __init edb7211_init(void)
+{
+ gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
+
+ platform_device_register(&edb7211_flash_pdev);
+ platform_device_register_data(&platform_bus, "platform-lcd", 0,
+ &edb7211_lcd_power_pdata,
+ sizeof(edb7211_lcd_power_pdata));
+ platform_device_register_data(&platform_bus, "generic-bl", 0,
+ &edb7211_lcd_backlight_pdata,
+ sizeof(edb7211_lcd_backlight_pdata));
+ platform_device_register_simple("video-clps711x", 0, NULL, 0);
+ platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
+ ARRAY_SIZE(edb7211_cs8900_resource));
+}
+
+MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
+ /* Maintainer: Jon McClintock */
+ .atag_offset = VIDEORAM_SIZE + 0x100,
+ .nr_irqs = CLPS711X_NR_IRQS,
+ .fixup = fixup_edb7211,
+ .reserve = edb7211_reserve,
+ .map_io = edb7211_map_io,
+ .init_irq = clps711x_init_irq,
+ .timer = &clps711x_timer,
+ .init_machine = edb7211_init,
+ .handle_irq = clps711x_handle_irq,
+ .restart = clps711x_restart,
+MACHINE_END