1 files changed, 178 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mach-mx51_3ds.c b/arch/arm/mach-imx/mach-mx51_3ds.c
new file mode 100644
index 000000000000..05783906db2b
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx51_3ds.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-mx51.h>
+#include <mach/3ds_debugboard.h>
+
+#include "devices-imx51.h"
+
+#define EXPIO_PARENT_INT        gpio_to_irq(IMX_GPIO_NR(1, 6))
+#define MX51_3DS_ECSPI2_CS      (GPIO_PORTC + 28)
+
+static iomux_v3_cfg_t mx51_3ds_pads[] = {
+        /* UART1 */
+        MX51_PAD_UART1_RXD__UART1_RXD,
+        MX51_PAD_UART1_TXD__UART1_TXD,
+        MX51_PAD_UART1_RTS__UART1_RTS,
+        MX51_PAD_UART1_CTS__UART1_CTS,
+
+        /* UART2 */
+        MX51_PAD_UART2_RXD__UART2_RXD,
+        MX51_PAD_UART2_TXD__UART2_TXD,
+        MX51_PAD_EIM_D25__UART2_CTS,
+        MX51_PAD_EIM_D26__UART2_RTS,
+
+        /* UART3 */
+        MX51_PAD_UART3_RXD__UART3_RXD,
+        MX51_PAD_UART3_TXD__UART3_TXD,
+        MX51_PAD_EIM_D24__UART3_CTS,
+        MX51_PAD_EIM_D27__UART3_RTS,
+
+        /* CPLD PARENT IRQ PIN */
+        MX51_PAD_GPIO1_6__GPIO1_6,
+
+        /* KPP */
+        MX51_PAD_KEY_ROW0__KEY_ROW0,
+        MX51_PAD_KEY_ROW1__KEY_ROW1,
+        MX51_PAD_KEY_ROW2__KEY_ROW2,
+        MX51_PAD_KEY_ROW3__KEY_ROW3,
+        MX51_PAD_KEY_COL0__KEY_COL0,
+        MX51_PAD_KEY_COL1__KEY_COL1,
+        MX51_PAD_KEY_COL2__KEY_COL2,
+        MX51_PAD_KEY_COL3__KEY_COL3,
+        MX51_PAD_KEY_COL4__KEY_COL4,
+        MX51_PAD_KEY_COL5__KEY_COL5,
+
+        /* eCSPI2 */
+        MX51_PAD_NANDF_RB2__ECSPI2_SCLK,
+        MX51_PAD_NANDF_RB3__ECSPI2_MISO,
+        MX51_PAD_NANDF_D15__ECSPI2_MOSI,
+        MX51_PAD_NANDF_D12__GPIO3_28,
+};
+
+/* Serial ports */
+static const struct imxuart_platform_data uart_pdata __initconst = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static int mx51_3ds_board_keymap[] = {
+        KEY(0, 0, KEY_1),
+        KEY(0, 1, KEY_2),
+        KEY(0, 2, KEY_3),
+        KEY(0, 3, KEY_F1),
+        KEY(0, 4, KEY_UP),
+        KEY(0, 5, KEY_F2),
+
+        KEY(1, 0, KEY_4),
+        KEY(1, 1, KEY_5),
+        KEY(1, 2, KEY_6),
+        KEY(1, 3, KEY_LEFT),
+        KEY(1, 4, KEY_SELECT),
+        KEY(1, 5, KEY_RIGHT),
+
+        KEY(2, 0, KEY_7),
+        KEY(2, 1, KEY_8),
+        KEY(2, 2, KEY_9),
+        KEY(2, 3, KEY_F3),
+        KEY(2, 4, KEY_DOWN),
+        KEY(2, 5, KEY_F4),
+
+        KEY(3, 0, KEY_0),
+        KEY(3, 1, KEY_OK),
+        KEY(3, 2, KEY_ESC),
+        KEY(3, 3, KEY_ENTER),
+        KEY(3, 4, KEY_MENU),
+        KEY(3, 5, KEY_BACK)
+};
+
+static const struct matrix_keymap_data mx51_3ds_map_data __initconst = {
+        .keymap         = mx51_3ds_board_keymap,
+        .keymap_size    = ARRAY_SIZE(mx51_3ds_board_keymap),
+};
+
+static int mx51_3ds_spi2_cs[] = {
+        MXC_SPI_CS(0),
+        MX51_3DS_ECSPI2_CS,
+};
+
+static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = {
+        .chipselect     = mx51_3ds_spi2_cs,
+        .num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs),
+};
+
+static struct spi_board_info mx51_3ds_spi_nor_device[] = {
+        {
+         .modalias = "m25p80",
+         .max_speed_hz = 25000000,      /* max spi clock (SCK) speed in HZ */
+         .bus_num = 1,
+         .chip_select = 1,
+         .mode = SPI_MODE_0,
+         .platform_data = NULL,},
+};
+
+/*
+ * Board specific initialization.
+ */
+static void __init mx51_3ds_init(void)
+{
+        imx51_soc_init();
+
+        mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
+                                        ARRAY_SIZE(mx51_3ds_pads));
+
+        imx51_add_imx_uart(0, &uart_pdata);
+        imx51_add_imx_uart(1, &uart_pdata);
+        imx51_add_imx_uart(2, &uart_pdata);
+
+        imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata);
+        spi_register_board_info(mx51_3ds_spi_nor_device,
+                                ARRAY_SIZE(mx51_3ds_spi_nor_device));
+
+        if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
+                printk(KERN_WARNING "Init of the debugboard failed, all "
+                                    "devices on the board are unusable.\n");
+
+        imx51_add_sdhci_esdhc_imx(0, NULL);
+        imx51_add_imx_keypad(&mx51_3ds_map_data);
+        imx51_add_imx2_wdt(0, NULL);
+}
+
+static void __init mx51_3ds_timer_init(void)
+{
+        mx51_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx51_3ds_timer = {
+        .init = mx51_3ds_timer_init,
+};
+
+MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
+        /* Maintainer: Freescale Semiconductor, Inc. */
+        .atag_offset = 0x100,
+        .map_io = mx51_map_io,
+        .init_early = imx51_init_early,
+        .init_irq = mx51_init_irq,
+        .handle_irq = imx51_handle_irq,
+        .timer = &mx51_3ds_timer,
+        .init_machine = mx51_3ds_init,
+MACHINE_END