/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c * * Copyright 2008 Openmoko, Inc. * Copyright 2008 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * http://armlinux.simtec.co.uk/ * * 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/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/i2c.h> #include <linux/fb.h> #include <linux/gpio.h> #include <linux/delay.h> #include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <mach/hardware.h> #include <mach/regs-fb.h> #include <mach/map.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <plat/regs-serial.h> #include <plat/iic.h> #include <plat/fb.h> #include <plat/s3c6410.h> #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { [0] = { .hwport = 0, .flags = 0, .ucon = 0x3c5, .ulcon = 0x03, .ufcon = 0x51, }, [1] = { .hwport = 1, .flags = 0, .ucon = 0x3c5, .ulcon = 0x03, .ufcon = 0x51, }, }; /* framebuffer and LCD setup. */ /* GPF15 = LCD backlight control * GPF13 => Panel power * GPN5 = LCD nRESET signal * PWM_TOUT1 => backlight brightness */ static void smdk6410_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) { if (power) { gpio_direction_output(S3C64XX_GPF(13), 1); gpio_direction_output(S3C64XX_GPF(15), 1); /* fire nRESET on power up */ gpio_direction_output(S3C64XX_GPN(5), 0); msleep(10); gpio_direction_output(S3C64XX_GPN(5), 1); msleep(1); } else { gpio_direction_output(S3C64XX_GPF(15), 0); gpio_direction_output(S3C64XX_GPF(13), 0); } } static struct plat_lcd_data smdk6410_lcd_power_data = { .set_power = smdk6410_lcd_power_set, }; static struct platform_device smdk6410_lcd_powerdev = { .name = "platform-lcd", .dev.parent = &s3c_device_fb.dev, .dev.platform_data = &smdk6410_lcd_power_data, }; static struct s3c_fb_pd_win smdk6410_fb_win0 = { /* this is to ensure we use win0 */ .win_mode = { .pixclock = 41094, .left_margin = 8, .right_margin = 13, .upper_margin = 7, .lower_margin = 5, .hsync_len = 3, .vsync_len = 1, .xres = 800, .yres = 480, }, .max_bpp = 32, .default_bpp = 16, }; /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, .win[0] = &smdk6410_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }; struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { #ifdef CONFIG_SMDK6410_SD_CH0 &s3c_device_hsmmc0, #endif #ifdef CONFIG_SMDK6410_SD_CH1 &s3c_device_hsmmc1, #endif &s3c_device_i2c0, &s3c_device_i2c1, &s3c_device_fb, &smdk6410_lcd_powerdev, }; static struct i2c_board_info i2c_devs0[] __initdata = { { I2C_BOARD_INFO("24c08", 0x50), }, { I2C_BOARD_INFO("WM8580", 0X1b), }, }; static struct i2c_board_info i2c_devs1[] __initdata = { { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */ }; static void __init smdk6410_map_io(void) { s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); } static void __init smdk6410_machine_init(void) { s3c_i2c0_set_platdata(NULL); s3c_i2c1_set_platdata(NULL); s3c_fb_set_platdata(&smdk6410_lcd_pdata); i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } MACHINE_START(SMDK6410, "SMDK6410") /* Maintainer: Ben Dooks <ben@fluff.org> */ .phys_io = S3C_PA_UART & 0xfff00000, .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, .boot_params = S3C64XX_PA_SDRAM + 0x100, .init_irq = s3c6410_init_irq, .map_io = smdk6410_map_io, .init_machine = smdk6410_machine_init, .timer = &s3c24xx_timer, MACHINE_END