ARM: EXYNOS4: Add support SMDK4412 Board
authorChanghwan Youn <chaos.youn@samsung.com>
Tue, 4 Oct 2011 08:09:26 +0000 (17:09 +0900)
committerKukjin Kim <kgene.kim@samsung.com>
Tue, 4 Oct 2011 09:35:04 +0000 (18:35 +0900)
SMDK4412 board is same as a SMDK4212 board except that
it has EXYNOS4412 SoC, thus it can share machine code
with SMDK4212.

This patch renames mach-smdk4212.c to mach-smdk4x12.c
to support both SMDK4212 and SMDK4412 board with one
machine file.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
arch/arm/mach-exynos4/Kconfig
arch/arm/mach-exynos4/Makefile
arch/arm/mach-exynos4/mach-smdk4212.c [deleted file]
arch/arm/mach-exynos4/mach-smdk4x12.c [new file with mode: 0644]

index c255d6f7ec5fe209f9843c94dc5baf8a964a8165..fec23859388be93d0ba4d568d2c3cad265f80c3a 100644 (file)
@@ -248,6 +248,15 @@ config MACH_SMDK4212
        help
          Machine support for Samsung SMDK4212
 
+comment "EXYNOS4412 Boards"
+
+config MACH_SMDK4412
+       bool "SMDK4412"
+       select SOC_EXYNOS4412
+       select MACH_SMDK4212
+       help
+         Machine support for Samsung SMDK4412
+
 endmenu
 
 comment "Configuration for HSMMC bus width"
index e19cd12d264e11f772316d4e145f9a0289d4b25c..c9b2e1f97e44b4e1852e5159d2d3bc8263b6b4d9 100644 (file)
@@ -34,7 +34,8 @@ obj-$(CONFIG_MACH_UNIVERSAL_C210)     += mach-universal_c210.o
 obj-$(CONFIG_MACH_NURI)                        += mach-nuri.o
 obj-$(CONFIG_MACH_ORIGEN)              += mach-origen.o
 
-obj-$(CONFIG_MACH_SMDK4212)            += mach-smdk4212.o
+obj-$(CONFIG_MACH_SMDK4212)            += mach-smdk4x12.o
+obj-$(CONFIG_MACH_SMDK4412)            += mach-smdk4x12.o
 
 # device support
 
diff --git a/arch/arm/mach-exynos4/mach-smdk4212.c b/arch/arm/mach-exynos4/mach-smdk4212.c
deleted file mode 100644 (file)
index 3479a93..0000000
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/mach-smdk4212.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *             http://www.samsung.com
- *
- * 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/gpio.h>
-#include <linux/i2c.h>
-#include <linux/input.h>
-#include <linux/io.h>
-#include <linux/mfd/max8997.h>
-#include <linux/mmc/host.h>
-#include <linux/platform_device.h>
-#include <linux/pwm_backlight.h>
-#include <linux/regulator/machine.h>
-#include <linux/serial_core.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach-types.h>
-
-#include <plat/backlight.h>
-#include <plat/clock.h>
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/exynos4.h>
-#include <plat/gpio-cfg.h>
-#include <plat/iic.h>
-#include <plat/keypad.h>
-#include <plat/regs-serial.h>
-#include <plat/sdhci.h>
-
-#include <mach/map.h>
-
-/* Following are default values for UCON, ULCON and UFCON UART registers */
-#define SMDK4212_UCON_DEFAULT  (S3C2410_UCON_TXILEVEL |        \
-                                S3C2410_UCON_RXILEVEL |        \
-                                S3C2410_UCON_TXIRQMODE |       \
-                                S3C2410_UCON_RXIRQMODE |       \
-                                S3C2410_UCON_RXFIFO_TOI |      \
-                                S3C2443_UCON_RXERR_IRQEN)
-
-#define SMDK4212_ULCON_DEFAULT S3C2410_LCON_CS8
-
-#define SMDK4212_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE |       \
-                                S5PV210_UFCON_TXTRIG4 |        \
-                                S5PV210_UFCON_RXTRIG4)
-
-static struct s3c2410_uartcfg smdk4212_uartcfgs[] __initdata = {
-       [0] = {
-               .hwport         = 0,
-               .flags          = 0,
-               .ucon           = SMDK4212_UCON_DEFAULT,
-               .ulcon          = SMDK4212_ULCON_DEFAULT,
-               .ufcon          = SMDK4212_UFCON_DEFAULT,
-       },
-       [1] = {
-               .hwport         = 1,
-               .flags          = 0,
-               .ucon           = SMDK4212_UCON_DEFAULT,
-               .ulcon          = SMDK4212_ULCON_DEFAULT,
-               .ufcon          = SMDK4212_UFCON_DEFAULT,
-       },
-       [2] = {
-               .hwport         = 2,
-               .flags          = 0,
-               .ucon           = SMDK4212_UCON_DEFAULT,
-               .ulcon          = SMDK4212_ULCON_DEFAULT,
-               .ufcon          = SMDK4212_UFCON_DEFAULT,
-       },
-       [3] = {
-               .hwport         = 3,
-               .flags          = 0,
-               .ucon           = SMDK4212_UCON_DEFAULT,
-               .ulcon          = SMDK4212_ULCON_DEFAULT,
-               .ufcon          = SMDK4212_UFCON_DEFAULT,
-       },
-};
-
-static struct s3c_sdhci_platdata smdk4212_hsmmc2_pdata __initdata = {
-       .cd_type                = S3C_SDHCI_CD_INTERNAL,
-       .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
-#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
-       .max_width              = 8,
-       .host_caps              = MMC_CAP_8_BIT_DATA,
-#endif
-};
-
-static struct s3c_sdhci_platdata smdk4212_hsmmc3_pdata __initdata = {
-       .cd_type                = S3C_SDHCI_CD_INTERNAL,
-       .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
-};
-
-static struct regulator_consumer_supply max8997_buck1 =
-       REGULATOR_SUPPLY("vdd_arm", NULL);
-
-static struct regulator_consumer_supply max8997_buck2 =
-       REGULATOR_SUPPLY("vdd_int", NULL);
-
-static struct regulator_consumer_supply max8997_buck3 =
-       REGULATOR_SUPPLY("vdd_g3d", NULL);
-
-static struct regulator_init_data max8997_buck1_data = {
-       .constraints    = {
-               .name           = "VDD_ARM_SMDK4212",
-               .min_uV         = 925000,
-               .max_uV         = 1350000,
-               .always_on      = 1,
-               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
-               .state_mem      = {
-                       .disabled       = 1,
-               },
-       },
-       .num_consumer_supplies  = 1,
-       .consumer_supplies      = &max8997_buck1,
-};
-
-static struct regulator_init_data max8997_buck2_data = {
-       .constraints    = {
-               .name           = "VDD_INT_SMDK4212",
-               .min_uV         = 950000,
-               .max_uV         = 1150000,
-               .always_on      = 1,
-               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
-               .state_mem      = {
-                       .disabled       = 1,
-               },
-       },
-       .num_consumer_supplies  = 1,
-       .consumer_supplies      = &max8997_buck2,
-};
-
-static struct regulator_init_data max8997_buck3_data = {
-       .constraints    = {
-               .name           = "VDD_G3D_SMDK4212",
-               .min_uV         = 950000,
-               .max_uV         = 1150000,
-               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
-                                 REGULATOR_CHANGE_STATUS,
-               .state_mem      = {
-                       .disabled       = 1,
-               },
-       },
-       .num_consumer_supplies  = 1,
-       .consumer_supplies      = &max8997_buck3,
-};
-
-static struct max8997_regulator_data smdk4212_max8997_regulators[] = {
-       { MAX8997_BUCK1, &max8997_buck1_data },
-       { MAX8997_BUCK2, &max8997_buck2_data },
-       { MAX8997_BUCK3, &max8997_buck3_data },
-};
-
-static struct max8997_platform_data smdk4212_max8997_pdata = {
-       .num_regulators = ARRAY_SIZE(smdk4212_max8997_regulators),
-       .regulators     = smdk4212_max8997_regulators,
-
-       .buck1_voltage[0] = 1100000,    /* 1.1V */
-       .buck1_voltage[1] = 1100000,    /* 1.1V */
-       .buck1_voltage[2] = 1100000,    /* 1.1V */
-       .buck1_voltage[3] = 1100000,    /* 1.1V */
-       .buck1_voltage[4] = 1100000,    /* 1.1V */
-       .buck1_voltage[5] = 1100000,    /* 1.1V */
-       .buck1_voltage[6] = 1000000,    /* 1.0V */
-       .buck1_voltage[7] = 950000,     /* 0.95V */
-
-       .buck2_voltage[0] = 1100000,    /* 1.1V */
-       .buck2_voltage[1] = 1000000,    /* 1.0V */
-       .buck2_voltage[2] = 950000,     /* 0.95V */
-       .buck2_voltage[3] = 900000,     /* 0.9V */
-       .buck2_voltage[4] = 1100000,    /* 1.1V */
-       .buck2_voltage[5] = 1000000,    /* 1.0V */
-       .buck2_voltage[6] = 950000,     /* 0.95V */
-       .buck2_voltage[7] = 900000,     /* 0.9V */
-
-       .buck5_voltage[0] = 1100000,    /* 1.1V */
-       .buck5_voltage[1] = 1100000,    /* 1.1V */
-       .buck5_voltage[2] = 1100000,    /* 1.1V */
-       .buck5_voltage[3] = 1100000,    /* 1.1V */
-       .buck5_voltage[4] = 1100000,    /* 1.1V */
-       .buck5_voltage[5] = 1100000,    /* 1.1V */
-       .buck5_voltage[6] = 1100000,    /* 1.1V */
-       .buck5_voltage[7] = 1100000,    /* 1.1V */
-};
-
-static struct i2c_board_info smdk4212_i2c_devs0[] __initdata = {
-       {
-               I2C_BOARD_INFO("max8997", 0x66),
-               .platform_data  = &smdk4212_max8997_pdata,
-       }
-};
-
-static struct i2c_board_info smdk4212_i2c_devs1[] __initdata = {
-       { I2C_BOARD_INFO("wm8994", 0x1a), }
-};
-
-static struct i2c_board_info smdk4212_i2c_devs3[] __initdata = {
-       /* nothing here yet */
-};
-
-static struct i2c_board_info smdk4212_i2c_devs7[] __initdata = {
-       /* nothing here yet */
-};
-
-static struct samsung_bl_gpio_info smdk4212_bl_gpio_info = {
-       .no = EXYNOS4_GPD0(1),
-       .func = S3C_GPIO_SFN(2),
-};
-
-static struct platform_pwm_backlight_data smdk4212_bl_data = {
-       .pwm_id = 1,
-       .pwm_period_ns  = 1000,
-};
-
-static uint32_t smdk4212_keymap[] __initdata = {
-       /* KEY(row, col, keycode) */
-       KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
-       KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
-};
-
-static struct matrix_keymap_data smdk4212_keymap_data __initdata = {
-       .keymap         = smdk4212_keymap,
-       .keymap_size    = ARRAY_SIZE(smdk4212_keymap),
-};
-
-static struct samsung_keypad_platdata smdk4212_keypad_data __initdata = {
-       .keymap_data    = &smdk4212_keymap_data,
-       .rows           = 2,
-       .cols           = 5,
-};
-
-static struct platform_device *smdk4212_devices[] __initdata = {
-       &s3c_device_hsmmc2,
-       &s3c_device_hsmmc3,
-       &s3c_device_i2c0,
-       &s3c_device_i2c1,
-       &s3c_device_i2c3,
-       &s3c_device_i2c7,
-       &s3c_device_rtc,
-       &s3c_device_wdt,
-       &samsung_device_keypad,
-};
-
-static void __init smdk4212_map_io(void)
-{
-       clk_xusbxti.rate = 24000000;
-
-       s5p_init_io(NULL, 0, S5P_VA_CHIPID);
-       s3c24xx_init_clocks(clk_xusbxti.rate);
-       s3c24xx_init_uarts(smdk4212_uartcfgs, ARRAY_SIZE(smdk4212_uartcfgs));
-}
-
-static void __init smdk4212_machine_init(void)
-{
-       s3c_i2c0_set_platdata(NULL);
-       i2c_register_board_info(0, smdk4212_i2c_devs0,
-                               ARRAY_SIZE(smdk4212_i2c_devs0));
-
-       s3c_i2c1_set_platdata(NULL);
-       i2c_register_board_info(1, smdk4212_i2c_devs1,
-                               ARRAY_SIZE(smdk4212_i2c_devs1));
-
-       s3c_i2c3_set_platdata(NULL);
-       i2c_register_board_info(3, smdk4212_i2c_devs3,
-                               ARRAY_SIZE(smdk4212_i2c_devs3));
-
-       s3c_i2c7_set_platdata(NULL);
-       i2c_register_board_info(7, smdk4212_i2c_devs7,
-                               ARRAY_SIZE(smdk4212_i2c_devs7));
-
-       samsung_bl_set(&smdk4212_bl_gpio_info, &smdk4212_bl_data);
-
-       samsung_keypad_set_platdata(&smdk4212_keypad_data);
-
-       s3c_sdhci2_set_platdata(&smdk4212_hsmmc2_pdata);
-       s3c_sdhci3_set_platdata(&smdk4212_hsmmc3_pdata);
-
-       platform_add_devices(smdk4212_devices, ARRAY_SIZE(smdk4212_devices));
-}
-
-MACHINE_START(SMDK4212, "SMDK4212")
-       /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-       .boot_params    = S5P_PA_SDRAM + 0x100,
-       .init_irq       = exynos4_init_irq,
-       .map_io         = smdk4212_map_io,
-       .init_machine   = smdk4212_machine_init,
-       .timer          = &exynos4_timer,
-MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-smdk4x12.c b/arch/arm/mach-exynos4/mach-smdk4x12.c
new file mode 100644 (file)
index 0000000..fcf2e0e
--- /dev/null
@@ -0,0 +1,302 @@
+/*
+ * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com
+ *
+ * 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/gpio.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/mfd/max8997.h>
+#include <linux/mmc/host.h>
+#include <linux/platform_device.h>
+#include <linux/pwm_backlight.h>
+#include <linux/regulator/machine.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/backlight.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/exynos4.h>
+#include <plat/gpio-cfg.h>
+#include <plat/iic.h>
+#include <plat/keypad.h>
+#include <plat/regs-serial.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define SMDK4X12_UCON_DEFAULT  (S3C2410_UCON_TXILEVEL |        \
+                                S3C2410_UCON_RXILEVEL |        \
+                                S3C2410_UCON_TXIRQMODE |       \
+                                S3C2410_UCON_RXIRQMODE |       \
+                                S3C2410_UCON_RXFIFO_TOI |      \
+                                S3C2443_UCON_RXERR_IRQEN)
+
+#define SMDK4X12_ULCON_DEFAULT S3C2410_LCON_CS8
+
+#define SMDK4X12_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE |       \
+                                S5PV210_UFCON_TXTRIG4 |        \
+                                S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
+       [0] = {
+               .hwport         = 0,
+               .flags          = 0,
+               .ucon           = SMDK4X12_UCON_DEFAULT,
+               .ulcon          = SMDK4X12_ULCON_DEFAULT,
+               .ufcon          = SMDK4X12_UFCON_DEFAULT,
+       },
+       [1] = {
+               .hwport         = 1,
+               .flags          = 0,
+               .ucon           = SMDK4X12_UCON_DEFAULT,
+               .ulcon          = SMDK4X12_ULCON_DEFAULT,
+               .ufcon          = SMDK4X12_UFCON_DEFAULT,
+       },
+       [2] = {
+               .hwport         = 2,
+               .flags          = 0,
+               .ucon           = SMDK4X12_UCON_DEFAULT,
+               .ulcon          = SMDK4X12_ULCON_DEFAULT,
+               .ufcon          = SMDK4X12_UFCON_DEFAULT,
+       },
+       [3] = {
+               .hwport         = 3,
+               .flags          = 0,
+               .ucon           = SMDK4X12_UCON_DEFAULT,
+               .ulcon          = SMDK4X12_ULCON_DEFAULT,
+               .ufcon          = SMDK4X12_UFCON_DEFAULT,
+       },
+};
+
+static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
+       .cd_type                = S3C_SDHCI_CD_INTERNAL,
+       .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
+       .max_width              = 8,
+       .host_caps              = MMC_CAP_8_BIT_DATA,
+#endif
+};
+
+static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
+       .cd_type                = S3C_SDHCI_CD_INTERNAL,
+       .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply max8997_buck1 =
+       REGULATOR_SUPPLY("vdd_arm", NULL);
+
+static struct regulator_consumer_supply max8997_buck2 =
+       REGULATOR_SUPPLY("vdd_int", NULL);
+
+static struct regulator_consumer_supply max8997_buck3 =
+       REGULATOR_SUPPLY("vdd_g3d", NULL);
+
+static struct regulator_init_data max8997_buck1_data = {
+       .constraints    = {
+               .name           = "VDD_ARM_SMDK4X12",
+               .min_uV         = 925000,
+               .max_uV         = 1350000,
+               .always_on      = 1,
+               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+               .state_mem      = {
+                       .disabled       = 1,
+               },
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &max8997_buck1,
+};
+
+static struct regulator_init_data max8997_buck2_data = {
+       .constraints    = {
+               .name           = "VDD_INT_SMDK4X12",
+               .min_uV         = 950000,
+               .max_uV         = 1150000,
+               .always_on      = 1,
+               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+               .state_mem      = {
+                       .disabled       = 1,
+               },
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &max8997_buck2,
+};
+
+static struct regulator_init_data max8997_buck3_data = {
+       .constraints    = {
+               .name           = "VDD_G3D_SMDK4X12",
+               .min_uV         = 950000,
+               .max_uV         = 1150000,
+               .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+                                 REGULATOR_CHANGE_STATUS,
+               .state_mem      = {
+                       .disabled       = 1,
+               },
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &max8997_buck3,
+};
+
+static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
+       { MAX8997_BUCK1, &max8997_buck1_data },
+       { MAX8997_BUCK2, &max8997_buck2_data },
+       { MAX8997_BUCK3, &max8997_buck3_data },
+};
+
+static struct max8997_platform_data smdk4x12_max8997_pdata = {
+       .num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
+       .regulators     = smdk4x12_max8997_regulators,
+
+       .buck1_voltage[0] = 1100000,    /* 1.1V */
+       .buck1_voltage[1] = 1100000,    /* 1.1V */
+       .buck1_voltage[2] = 1100000,    /* 1.1V */
+       .buck1_voltage[3] = 1100000,    /* 1.1V */
+       .buck1_voltage[4] = 1100000,    /* 1.1V */
+       .buck1_voltage[5] = 1100000,    /* 1.1V */
+       .buck1_voltage[6] = 1000000,    /* 1.0V */
+       .buck1_voltage[7] = 950000,     /* 0.95V */
+
+       .buck2_voltage[0] = 1100000,    /* 1.1V */
+       .buck2_voltage[1] = 1000000,    /* 1.0V */
+       .buck2_voltage[2] = 950000,     /* 0.95V */
+       .buck2_voltage[3] = 900000,     /* 0.9V */
+       .buck2_voltage[4] = 1100000,    /* 1.1V */
+       .buck2_voltage[5] = 1000000,    /* 1.0V */
+       .buck2_voltage[6] = 950000,     /* 0.95V */
+       .buck2_voltage[7] = 900000,     /* 0.9V */
+
+       .buck5_voltage[0] = 1100000,    /* 1.1V */
+       .buck5_voltage[1] = 1100000,    /* 1.1V */
+       .buck5_voltage[2] = 1100000,    /* 1.1V */
+       .buck5_voltage[3] = 1100000,    /* 1.1V */
+       .buck5_voltage[4] = 1100000,    /* 1.1V */
+       .buck5_voltage[5] = 1100000,    /* 1.1V */
+       .buck5_voltage[6] = 1100000,    /* 1.1V */
+       .buck5_voltage[7] = 1100000,    /* 1.1V */
+};
+
+static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
+       {
+               I2C_BOARD_INFO("max8997", 0x66),
+               .platform_data  = &smdk4x12_max8997_pdata,
+       }
+};
+
+static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
+       { I2C_BOARD_INFO("wm8994", 0x1a), }
+};
+
+static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
+       /* nothing here yet */
+};
+
+static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
+       /* nothing here yet */
+};
+
+static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
+       .no = EXYNOS4_GPD0(1),
+       .func = S3C_GPIO_SFN(2),
+};
+
+static struct platform_pwm_backlight_data smdk4x12_bl_data = {
+       .pwm_id = 1,
+       .pwm_period_ns  = 1000,
+};
+
+static uint32_t smdk4x12_keymap[] __initdata = {
+       /* KEY(row, col, keycode) */
+       KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
+       KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
+};
+
+static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
+       .keymap         = smdk4x12_keymap,
+       .keymap_size    = ARRAY_SIZE(smdk4x12_keymap),
+};
+
+static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
+       .keymap_data    = &smdk4x12_keymap_data,
+       .rows           = 2,
+       .cols           = 5,
+};
+
+static struct platform_device *smdk4x12_devices[] __initdata = {
+       &s3c_device_hsmmc2,
+       &s3c_device_hsmmc3,
+       &s3c_device_i2c0,
+       &s3c_device_i2c1,
+       &s3c_device_i2c3,
+       &s3c_device_i2c7,
+       &s3c_device_rtc,
+       &s3c_device_wdt,
+       &samsung_device_keypad,
+};
+
+static void __init smdk4x12_map_io(void)
+{
+       clk_xusbxti.rate = 24000000;
+
+       s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+       s3c24xx_init_clocks(clk_xusbxti.rate);
+       s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
+}
+
+static void __init smdk4x12_machine_init(void)
+{
+       s3c_i2c0_set_platdata(NULL);
+       i2c_register_board_info(0, smdk4x12_i2c_devs0,
+                               ARRAY_SIZE(smdk4x12_i2c_devs0));
+
+       s3c_i2c1_set_platdata(NULL);
+       i2c_register_board_info(1, smdk4x12_i2c_devs1,
+                               ARRAY_SIZE(smdk4x12_i2c_devs1));
+
+       s3c_i2c3_set_platdata(NULL);
+       i2c_register_board_info(3, smdk4x12_i2c_devs3,
+                               ARRAY_SIZE(smdk4x12_i2c_devs3));
+
+       s3c_i2c7_set_platdata(NULL);
+       i2c_register_board_info(7, smdk4x12_i2c_devs7,
+                               ARRAY_SIZE(smdk4x12_i2c_devs7));
+
+       samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
+
+       samsung_keypad_set_platdata(&smdk4x12_keypad_data);
+
+       s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
+       s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
+
+       platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
+}
+
+MACHINE_START(SMDK4212, "SMDK4212")
+       /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+       .atag_offset    = 0x100,
+       .init_irq       = exynos4_init_irq,
+       .map_io         = smdk4x12_map_io,
+       .init_machine   = smdk4x12_machine_init,
+       .timer          = &exynos4_timer,
+MACHINE_END
+
+MACHINE_START(SMDK4412, "SMDK4412")
+       /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+       /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
+       .atag_offset    = 0x100,
+       .init_irq       = exynos4_init_irq,
+       .map_io         = smdk4x12_map_io,
+       .init_machine   = smdk4x12_machine_init,
+       .timer          = &exynos4_timer,
+MACHINE_END