190 lines
4.7 KiB
C
190 lines
4.7 KiB
C
/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <video/platform_lcd.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/regs-fb.h>
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#include <mach/map.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <plat/regs-serial.h>
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#include <plat/iic.h>
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#include <plat/fb.h>
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#include <plat/s3c6410.h>
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#include <plat/clock.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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};
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/* framebuffer and LCD setup. */
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/* GPF15 = LCD backlight control
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* GPF13 => Panel power
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* GPN5 = LCD nRESET signal
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* PWM_TOUT1 => backlight brightness
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*/
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static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
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unsigned int power)
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{
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if (power) {
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gpio_direction_output(S3C64XX_GPF(13), 1);
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gpio_direction_output(S3C64XX_GPF(15), 1);
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/* fire nRESET on power up */
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gpio_direction_output(S3C64XX_GPN(5), 0);
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msleep(10);
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gpio_direction_output(S3C64XX_GPN(5), 1);
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msleep(1);
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} else {
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gpio_direction_output(S3C64XX_GPF(15), 0);
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gpio_direction_output(S3C64XX_GPF(13), 0);
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}
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}
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static struct plat_lcd_data smdk6410_lcd_power_data = {
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.set_power = smdk6410_lcd_power_set,
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};
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static struct platform_device smdk6410_lcd_powerdev = {
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.name = "platform-lcd",
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.dev.parent = &s3c_device_fb.dev,
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.dev.platform_data = &smdk6410_lcd_power_data,
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};
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static struct s3c_fb_pd_win smdk6410_fb_win0 = {
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/* this is to ensure we use win0 */
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.win_mode = {
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.pixclock = 41094,
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.left_margin = 8,
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.right_margin = 13,
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.upper_margin = 7,
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.lower_margin = 5,
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.hsync_len = 3,
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.vsync_len = 1,
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.xres = 800,
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.yres = 480,
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},
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.max_bpp = 32,
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.default_bpp = 16,
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};
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/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
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static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
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.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
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.win[0] = &smdk6410_fb_win0,
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.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
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.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
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};
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static struct map_desc smdk6410_iodesc[] = {};
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static struct platform_device *smdk6410_devices[] __initdata = {
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#ifdef CONFIG_SMDK6410_SD_CH0
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&s3c_device_hsmmc0,
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#endif
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#ifdef CONFIG_SMDK6410_SD_CH1
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&s3c_device_hsmmc1,
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#endif
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&s3c_device_i2c0,
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&s3c_device_i2c1,
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&s3c_device_fb,
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&smdk6410_lcd_powerdev,
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};
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static struct i2c_board_info i2c_devs0[] __initdata = {
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{ I2C_BOARD_INFO("24c08", 0x50), },
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{ I2C_BOARD_INFO("wm8580", 0x1b), },
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};
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static struct i2c_board_info i2c_devs1[] __initdata = {
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{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
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};
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static void __init smdk6410_map_io(void)
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{
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s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
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}
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static void __init smdk6410_machine_init(void)
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{
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s3c_i2c0_set_platdata(NULL);
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s3c_i2c1_set_platdata(NULL);
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s3c_fb_set_platdata(&smdk6410_lcd_pdata);
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gpio_request(S3C64XX_GPN(5), "LCD power");
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gpio_request(S3C64XX_GPF(13), "LCD power");
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gpio_request(S3C64XX_GPF(15), "LCD power");
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i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
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i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
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platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
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}
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MACHINE_START(SMDK6410, "SMDK6410")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C_PA_UART & 0xfff00000,
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.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C64XX_PA_SDRAM + 0x100,
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.init_irq = s3c6410_init_irq,
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.map_io = smdk6410_map_io,
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.init_machine = smdk6410_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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