omap3: Add support for OMAP3Stalker boards

Add support for OMAP3Stalker boards

Signed-off-by: Jason Lam <lzg@ema-tech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 672 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
new file mode 100644
index 000000000000..f848ba8dbc16
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -0,0 +1,672 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3evm.c
+ *
+ * Copyright (C) 2008 Guangzhou EMA-Tech
+ *
+ * Modified from mach-omap2/board-omap3evm.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * 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/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/regulator/machine.h>
+#include <linux/i2c/twl.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/gpmc.h>
+#include <plat/nand.h>
+#include <plat/usb.h>
+#include <plat/timer-gp.h>
+#include <plat/display.h>
+
+#include <plat/mcspi.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/interrupt.h>
+#include <linux/smsc911x.h>
+#include <linux/i2c/at24.h>
+
+#include "sdram-micron-mt46h32m32lf-6.h"
+#include "mux.h"
+#include "hsmmc.h"
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+#define OMAP3STALKER_ETHR_START 0x2c000000
+#define OMAP3STALKER_ETHR_SIZE  1024
+#define OMAP3STALKER_ETHR_GPIO_IRQ      19
+#define OMAP3STALKER_SMC911X_CS 5
+
+static struct resource omap3stalker_smsc911x_resources[] = {
+        [0] = {
+               .start   = OMAP3STALKER_ETHR_START,
+               .end     =
+               (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
+               .flags   = IORESOURCE_MEM,
+        },
+        [1] = {
+               .start   = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
+               .end     = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
+               .flags   = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
+        },
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+        .phy_interface  = PHY_INTERFACE_MODE_MII,
+        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+        .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
+};
+
+static struct platform_device omap3stalker_smsc911x_device = {
+        .name           = "smsc911x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(omap3stalker_smsc911x_resources),
+        .resource       = &omap3stalker_smsc911x_resources[0],
+        .dev            = {
+                .platform_data  = &smsc911x_config,
+        },
+};
+
+static inline void __init omap3stalker_init_eth(void)
+{
+        int eth_cs;
+        struct clk *l3ck;
+        unsigned int rate;
+
+        eth_cs = OMAP3STALKER_SMC911X_CS;
+
+        l3ck = clk_get(NULL, "l3_ck");
+        if (IS_ERR(l3ck))
+                rate = 100000000;
+        else
+                rate = clk_get_rate(l3ck);
+
+        omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
+        if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
+                printk(KERN_ERR
+                       "Failed to request GPIO%d for smc911x IRQ\n",
+                       OMAP3STALKER_ETHR_GPIO_IRQ);
+                return;
+        }
+
+        gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
+
+        platform_device_register(&omap3stalker_smsc911x_device);
+}
+
+#else
+static inline void __init omap3stalker_init_eth(void)
+{
+        return;
+}
+#endif
+
+/*
+ * OMAP3 DSS control signals
+ */
+
+#define DSS_ENABLE_GPIO 199
+#define LCD_PANEL_BKLIGHT_GPIO  210
+#define ENABLE_VPLL2_DEV_GRP    0xE0
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init omap3_stalker_display_init(void)
+{
+        return;
+}
+
+static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
+{
+        if (dvi_enabled) {
+                printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+                return -EINVAL;
+        }
+        gpio_set_value(DSS_ENABLE_GPIO, 1);
+        gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
+        lcd_enabled = 1;
+        return 0;
+}
+
+static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
+{
+        gpio_set_value(DSS_ENABLE_GPIO, 0);
+        gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
+        lcd_enabled = 0;
+}
+
+static struct omap_dss_device omap3_stalker_lcd_device = {
+        .name                   = "lcd",
+        .driver_name            = "generic_panel",
+        .phy.dpi.data_lines     = 24,
+        .type                   = OMAP_DISPLAY_TYPE_DPI,
+        .platform_enable        = omap3_stalker_enable_lcd,
+        .platform_disable       = omap3_stalker_disable_lcd,
+};
+
+static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
+{
+        return 0;
+}
+
+static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+static struct omap_dss_device omap3_stalker_tv_device = {
+        .name                   = "tv",
+        .driver_name            = "venc",
+        .type                   = OMAP_DISPLAY_TYPE_VENC,
+#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
+        .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
+#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
+        .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
+#endif
+        .platform_enable        = omap3_stalker_enable_tv,
+        .platform_disable       = omap3_stalker_disable_tv,
+};
+
+static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
+{
+        if (lcd_enabled) {
+                printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+                return -EINVAL;
+        }
+        gpio_set_value(DSS_ENABLE_GPIO, 1);
+        dvi_enabled = 1;
+        return 0;
+}
+
+static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
+{
+        gpio_set_value(DSS_ENABLE_GPIO, 0);
+        dvi_enabled = 0;
+}
+
+static struct omap_dss_device omap3_stalker_dvi_device = {
+        .name                   = "dvi",
+        .driver_name            = "generic_panel",
+        .type                   = OMAP_DISPLAY_TYPE_DPI,
+        .phy.dpi.data_lines     = 24,
+        .platform_enable        = omap3_stalker_enable_dvi,
+        .platform_disable       = omap3_stalker_disable_dvi,
+};
+
+static struct omap_dss_device *omap3_stalker_dss_devices[] = {
+        &omap3_stalker_lcd_device,
+        &omap3_stalker_tv_device,
+        &omap3_stalker_dvi_device,
+};
+
+static struct omap_dss_board_info omap3_stalker_dss_data = {
+        .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
+        .devices        = omap3_stalker_dss_devices,
+        .default_device = &omap3_stalker_dvi_device,
+};
+
+static struct platform_device omap3_stalker_dss_device = {
+        .name   = "omapdss",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &omap3_stalker_dss_data,
+        },
+};
+
+static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
+        .supply         = "vmmc",
+};
+
+static struct regulator_consumer_supply omap3stalker_vsim_supply = {
+        .supply         = "vmmc_aux",
+};
+
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data omap3stalker_vmmc1 = {
+        .constraints            = {
+                .min_uV                 = 1850000,
+                .max_uV                 = 3150000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &omap3stalker_vmmc1_supply,
+};
+
+/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
+static struct regulator_init_data omap3stalker_vsim = {
+        .constraints            = {
+                .min_uV                 = 1800000,
+                .max_uV                 = 3000000,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &omap3stalker_vsim_supply,
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+        {
+         .mmc           = 1,
+         .wires         = 4,
+         .gpio_cd       = -EINVAL,
+         .gpio_wp       = 23,
+         },
+        {}                      /* Terminator */
+};
+
+static struct gpio_keys_button gpio_buttons[] = {
+        {
+         .code          = BTN_EXTRA,
+         .gpio          = 18,
+         .desc          = "user",
+         .wakeup        = 1,
+         },
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+        .buttons        = gpio_buttons,
+        .nbuttons       = ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &gpio_key_info,
+        },
+};
+
+static struct gpio_led gpio_leds[] = {
+        {
+         .name                  = "stalker:D8:usr0",
+         .default_trigger       = "default-on",
+         .gpio                  = 126,
+         },
+        {
+         .name                  = "stalker:D9:usr1",
+         .default_trigger       = "default-on",
+         .gpio                  = 127,
+         },
+        {
+         .name                  = "stalker:D3:mmc0",
+         .gpio                  = -EINVAL,      /* gets replaced */
+         .active_low            = true,
+         .default_trigger       = "mmc0",
+         },
+        {
+         .name                  = "stalker:D4:heartbeat",
+         .gpio                  = -EINVAL,      /* gets replaced */
+         .active_low            = true,
+         .default_trigger       = "heartbeat",
+         },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &gpio_led_info,
+        },
+};
+
+static int
+omap3stalker_twl_gpio_setup(struct device *dev,
+                            unsigned gpio, unsigned ngpio)
+{
+        /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+        omap_mux_init_gpio(23, OMAP_PIN_INPUT);
+        mmc[0].gpio_cd = gpio + 0;
+        omap2_hsmmc_init(mmc);
+
+        /* link regulators to MMC adapters */
+        omap3stalker_vmmc1_supply.dev = mmc[0].dev;
+        omap3stalker_vsim_supply.dev = mmc[0].dev;
+
+        /*
+         * Most GPIOs are for USB OTG.  Some are mostly sent to
+         * the P2 connector; notably LEDA for the LCD backlight.
+         */
+
+        /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
+        gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
+        gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+
+        /* gpio + 7 == DVI Enable */
+        gpio_request(gpio + 7, "EN_DVI");
+        gpio_direction_output(gpio + 7, 0);
+
+        /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
+        gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+        /* GPIO + 13 == ledsync (out, heartbeat) */
+        gpio_leds[3].gpio = gpio + 13;
+
+        platform_device_register(&leds_gpio);
+        return 0;
+}
+
+static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
+        .gpio_base      = OMAP_MAX_GPIO_LINES,
+        .irq_base       = TWL4030_GPIO_IRQ_BASE,
+        .irq_end        = TWL4030_GPIO_IRQ_END,
+        .use_leds       = true,
+        .setup          = omap3stalker_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data omap3stalker_usb_data = {
+        .usb_mode       = T2_USB_MODE_ULPI,
+};
+
+static int board_keymap[] = {
+        KEY(0, 0, KEY_LEFT),
+        KEY(0, 1, KEY_DOWN),
+        KEY(0, 2, KEY_ENTER),
+        KEY(0, 3, KEY_M),
+
+        KEY(1, 0, KEY_RIGHT),
+        KEY(1, 1, KEY_UP),
+        KEY(1, 2, KEY_I),
+        KEY(1, 3, KEY_N),
+
+        KEY(2, 0, KEY_A),
+        KEY(2, 1, KEY_E),
+        KEY(2, 2, KEY_J),
+        KEY(2, 3, KEY_O),
+
+        KEY(3, 0, KEY_B),
+        KEY(3, 1, KEY_F),
+        KEY(3, 2, KEY_K),
+        KEY(3, 3, KEY_P)
+};
+
+static struct matrix_keymap_data board_map_data = {
+        .keymap         = board_keymap,
+        .keymap_size    = ARRAY_SIZE(board_keymap),
+};
+
+static struct twl4030_keypad_data omap3stalker_kp_data = {
+        .keymap_data    = &board_map_data,
+        .rows           = 4,
+        .cols           = 4,
+        .rep            = 1,
+};
+
+static struct twl4030_madc_platform_data omap3stalker_madc_data = {
+        .irq_line       = 1,
+};
+
+static struct twl4030_codec_audio_data omap3stalker_audio_data = {
+        .audio_mclk     = 26000000,
+};
+
+static struct twl4030_codec_data omap3stalker_codec_data = {
+        .audio_mclk     = 26000000,
+        .audio          = &omap3stalker_audio_data,
+};
+
+static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
+        .supply         = "vdda_dac",
+        .dev            = &omap3_stalker_dss_device.dev,
+};
+
+/* VDAC for DSS driving S-Video */
+static struct regulator_init_data omap3_stalker_vdac = {
+        .constraints            = {
+                .min_uV                 = 1800000,
+                .max_uV                 = 1800000,
+                .apply_uV               = true,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &omap3_stalker_vdda_dac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
+        .supply         = "vdds_dsi",
+        .dev            = &omap3_stalker_lcd_device.dev,
+};
+
+static struct regulator_init_data omap3_stalker_vpll2 = {
+        .constraints            = {
+                .name                   = "VDVI",
+                .min_uV                 = 1800000,
+                .max_uV                 = 1800000,
+                .apply_uV = true,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &omap3_stalker_vpll2_supply,
+};
+
+static struct twl4030_platform_data omap3stalker_twldata = {
+        .irq_base       = TWL4030_IRQ_BASE,
+        .irq_end        = TWL4030_IRQ_END,
+
+        /* platform_data for children goes here */
+        .keypad         = &omap3stalker_kp_data,
+        .madc           = &omap3stalker_madc_data,
+        .usb            = &omap3stalker_usb_data,
+        .gpio           = &omap3stalker_gpio_data,
+        .codec          = &omap3stalker_codec_data,
+        .vdac           = &omap3_stalker_vdac,
+        .vpll2          = &omap3_stalker_vpll2,
+};
+
+static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
+        {
+         I2C_BOARD_INFO("twl4030", 0x48),
+         .flags         = I2C_CLIENT_WAKE,
+         .irq           = INT_34XX_SYS_NIRQ,
+         .platform_data = &omap3stalker_twldata,
+         },
+};
+
+static struct at24_platform_data fram_info = {
+        .byte_len       = (64 * 1024) / 8,
+        .page_size      = 8192,
+        .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
+};
+
+static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
+        {
+         I2C_BOARD_INFO("24c64", 0x50),
+         .flags         = I2C_CLIENT_WAKE,
+         .platform_data = &fram_info,
+         },
+};
+
+static int __init omap3_stalker_i2c_init(void)
+{
+        /*
+         * REVISIT: These entries can be set in omap3evm_twl_data
+         * after a merge with MFD tree
+         */
+        omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
+        omap3stalker_twldata.vsim = &omap3stalker_vsim;
+
+        omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
+                              ARRAY_SIZE(omap3stalker_i2c_boardinfo));
+        omap_register_i2c_bus(2, 400, NULL, 0);
+        omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
+                              ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
+        return 0;
+}
+
+#define OMAP3_STALKER_TS_GPIO   175
+static void ads7846_dev_init(void)
+{
+        if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
+                printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+
+        gpio_direction_input(OMAP3_STALKER_TS_GPIO);
+
+        omap_set_gpio_debounce(OMAP3_STALKER_TS_GPIO, 1);
+        omap_set_gpio_debounce_time(OMAP3_STALKER_TS_GPIO, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+        return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
+}
+
+static struct ads7846_platform_data ads7846_config = {
+        .x_max                  = 0x0fff,
+        .y_max                  = 0x0fff,
+        .x_plate_ohms           = 180,
+        .pressure_max           = 255,
+        .debounce_max           = 10,
+        .debounce_tol           = 3,
+        .debounce_rep           = 1,
+        .get_pendown_state      = ads7846_get_pendown_state,
+        .keep_vref_on           = 1,
+        .settle_delay_usecs     = 150,
+};
+
+static struct omap2_mcspi_device_config ads7846_mcspi_config = {
+        .turbo_mode             = 0,
+        .single_channel         = 1,    /* 0: slave, 1: master */
+};
+
+struct spi_board_info omap3stalker_spi_board_info[] = {
+        [0] = {
+               .modalias        = "ads7846",
+               .bus_num         = 1,
+               .chip_select     = 0,
+               .max_speed_hz    = 1500000,
+               .controller_data = &ads7846_mcspi_config,
+               .irq             = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
+               .platform_data   = &ads7846_config,
+        },
+};
+
+static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
+};
+
+static void __init omap3_stalker_init_irq(void)
+{
+        omap_board_config = omap3_stalker_config;
+        omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
+        omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
+        omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+        omap2_gp_clockevent_set_gptimer(12);
+#endif
+        omap_gpio_init();
+}
+
+static struct platform_device *omap3_stalker_devices[] __initdata = {
+        &omap3_stalker_dss_device,
+        &keys_gpio,
+};
+
+static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+        .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+        .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+        .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+        .phy_reset = true,
+        .reset_gpio_port[0] = -EINVAL,
+        .reset_gpio_port[1] = 21,
+        .reset_gpio_port[2] = -EINVAL,
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+        OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
+                  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
+        OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
+                  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
+        {.reg_offset = OMAP_MUX_TERMINATOR},
+};
+#else
+#define board_mux       NULL
+#endif
+
+static struct omap_musb_board_data musb_board_data = {
+        .interface_type = MUSB_INTERFACE_ULPI,
+        .mode           = MUSB_OTG,
+        .power          = 100,
+};
+
+static void __init omap3_stalker_init(void)
+{
+        omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
+
+        omap3_stalker_i2c_init();
+
+        platform_add_devices(omap3_stalker_devices,
+                             ARRAY_SIZE(omap3_stalker_devices));
+
+        spi_register_board_info(omap3stalker_spi_board_info,
+                                ARRAY_SIZE(omap3stalker_spi_board_info));
+
+        omap_serial_init();
+        usb_musb_init(&musb_board_data);
+        usb_ehci_init(&ehci_pdata);
+        ads7846_dev_init();
+
+        omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
+        omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
+
+        omap3stalker_init_eth();
+        omap3_stalker_display_init();
+/* Ensure SDRC pins are mux'd for self-refresh */
+        omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
+        omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
+}
+
+static void __init omap3_stalker_map_io(void)
+{
+        omap2_set_globals_343x();
+        omap34xx_map_common_io();
+}
+
+MACHINE_START(SBC3530, "OMAP3 STALKER")
+        /* Maintainer: Jason Lam -lzg@ema-tech.com */
+        .phys_io                = 0x48000000,
+        .io_pg_offst            = ((0xfa000000) >> 18) & 0xfffc,
+        .boot_params            = 0x80000100,
+        .map_io                 = omap3_stalker_map_io,
+        .init_irq               = omap3_stalker_init_irq,
+        .init_machine           = omap3_stalker_init,
+        .timer                  = &omap_timer,
+MACHINE_END