1 /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
10 #include <linux/platform_device.h>
11 #include <linux/serial_core.h>
12 #include <linux/input.h>
13 #include <linux/i2c.h>
14 #include <linux/gpio_keys.h>
15 #include <linux/gpio.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach-types.h>
19 #include <asm/hardware/cache-l2x0.h>
21 #include <plat/regs-serial.h>
22 #include <plat/s5pv310.h>
24 #include <plat/devs.h>
28 /* Following are default values for UCON, ULCON and UFCON UART registers */
29 #define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
30 S3C2410_UCON_RXILEVEL | \
31 S3C2410_UCON_TXIRQMODE | \
32 S3C2410_UCON_RXIRQMODE | \
33 S3C2410_UCON_RXFIFO_TOI | \
34 S3C2443_UCON_RXERR_IRQEN)
36 #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
38 #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
39 S5PV210_UFCON_TXTRIG256 | \
40 S5PV210_UFCON_RXTRIG256)
42 static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
45 .ucon = UNIVERSAL_UCON_DEFAULT,
46 .ulcon = UNIVERSAL_ULCON_DEFAULT,
47 .ufcon = UNIVERSAL_UFCON_DEFAULT,
51 .ucon = UNIVERSAL_UCON_DEFAULT,
52 .ulcon = UNIVERSAL_ULCON_DEFAULT,
53 .ufcon = UNIVERSAL_UFCON_DEFAULT,
57 .ucon = UNIVERSAL_UCON_DEFAULT,
58 .ulcon = UNIVERSAL_ULCON_DEFAULT,
59 .ufcon = UNIVERSAL_UFCON_DEFAULT,
63 .ucon = UNIVERSAL_UCON_DEFAULT,
64 .ulcon = UNIVERSAL_ULCON_DEFAULT,
65 .ufcon = UNIVERSAL_UFCON_DEFAULT,
69 static struct gpio_keys_button universal_gpio_keys_tables[] = {
72 .gpio = S5PV310_GPX2(0), /* XEINT16 */
73 .desc = "gpio-keys: KEY_VOLUMEUP",
76 .debounce_interval = 1,
78 .code = KEY_VOLUMEDOWN,
79 .gpio = S5PV310_GPX2(1), /* XEINT17 */
80 .desc = "gpio-keys: KEY_VOLUMEDOWN",
83 .debounce_interval = 1,
86 .gpio = S5PV310_GPX2(2), /* XEINT18 */
87 .desc = "gpio-keys: KEY_CONFIG",
90 .debounce_interval = 1,
93 .gpio = S5PV310_GPX2(3), /* XEINT19 */
94 .desc = "gpio-keys: KEY_CAMERA",
97 .debounce_interval = 1,
100 .gpio = S5PV310_GPX3(5), /* XEINT29 */
101 .desc = "gpio-keys: KEY_OK",
104 .debounce_interval = 1,
108 static struct gpio_keys_platform_data universal_gpio_keys_data = {
109 .buttons = universal_gpio_keys_tables,
110 .nbuttons = ARRAY_SIZE(universal_gpio_keys_tables),
113 static struct platform_device universal_gpio_keys = {
116 .platform_data = &universal_gpio_keys_data,
121 static struct i2c_board_info i2c0_devs[] __initdata = {
122 /* Camera, To be updated */
126 static struct i2c_board_info i2c1_devs[] __initdata = {
127 /* Gyro, To be updated */
130 static struct platform_device *universal_devices[] __initdata = {
131 &universal_gpio_keys,
135 static void __init universal_map_io(void)
137 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
138 s3c24xx_init_clocks(24000000);
139 s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
142 static void __init universal_machine_init(void)
144 #ifdef CONFIG_CACHE_L2X0
145 l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
148 i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
149 i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
152 platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
155 MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
156 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
157 .phys_io = S3C_PA_UART & 0xfff00000,
158 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
159 .boot_params = S5P_PA_SDRAM + 0x100,
160 .init_irq = s5pv310_init_irq,
161 .map_io = universal_map_io,
162 .init_machine = universal_machine_init,
163 .timer = &s5pv310_timer,