| /* |
| * 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/i2c-gpio.h> |
| #include <linux/interrupt.h> |
| #include <linux/backlight.h> |
| #include <linux/platform_device.h> |
| #include <linux/memblock.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" |
| #include "devices.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_I2C_SDA CLPS711X_GPIO(3, 4) |
| #define EDB7211_I2C_SCL CLPS711X_GPIO(3, 5) |
| |
| #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) |
| |
| /* The extra 8 lines of the keyboard matrix */ |
| #define EDB7211_EXTKBD_BASE (CS3_PHYS_BASE) |
| |
| static struct i2c_gpio_platform_data edb7211_i2c_pdata __initdata = { |
| .sda_pin = EDB7211_I2C_SDA, |
| .scl_pin = EDB7211_I2C_SCL, |
| .scl_is_output_only = 1, |
| }; |
| |
| 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); |
| clps_writel((clps_readl(PMPCON) & 0xf0ff) | (intensity << 8), PMPCON); |
| } |
| |
| static struct generic_bl_info edb7211_lcd_backlight_pdata = { |
| .name = "lcd-backlight.0", |
| .default_intensity = 0x01, |
| .max_intensity = 0x0f, |
| .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" }, |
| }; |
| |
| /* 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) |
| { |
| /* |
| * 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. |
| */ |
| memblock_add(0xc0000000, SZ_8M); |
| memblock_add(0xc1000000, SZ_8M); |
| } |
| |
| static void __init edb7211_init_late(void) |
| { |
| gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios)); |
| |
| platform_device_register(&edb7211_flash_pdev); |
| platform_device_register_data(NULL, "platform-lcd", 0, |
| &edb7211_lcd_power_pdata, |
| sizeof(edb7211_lcd_power_pdata)); |
| platform_device_register_data(NULL, "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)); |
| platform_device_register_data(NULL, "i2c-gpio", 0, |
| &edb7211_i2c_pdata, |
| sizeof(edb7211_i2c_pdata)); |
| } |
| |
| MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)") |
| /* Maintainer: Jon McClintock */ |
| .atag_offset = VIDEORAM_SIZE + 0x100, |
| .fixup = fixup_edb7211, |
| .reserve = edb7211_reserve, |
| .map_io = clps711x_map_io, |
| .init_irq = clps711x_init_irq, |
| .init_time = clps711x_timer_init, |
| .init_machine = clps711x_devices_init, |
| .init_late = edb7211_init_late, |
| .restart = clps711x_restart, |
| MACHINE_END |