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Diffstat (limited to 'arch/arm/mach-s3c6410/mach-smdk6410.c')
-rw-r--r--arch/arm/mach-s3c6410/mach-smdk6410.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c
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index 00000000000..3c4d47145c8
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+++ b/arch/arm/mach-s3c6410/mach-smdk6410.c
@@ -0,0 +1,185 @@
+/* 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