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-rw-r--r--arch/arm/mach-imx/mach-mx35_3ds.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c
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+++ b/arch/arm/mach-imx/mach-mx35_3ds.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This machine is known as:
+ * - i.MX35 3-Stack Development System
+ * - i.MX35 Platform Development Kit (i.MX35 PDK)
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/memory.h>
+#include <linux/gpio.h>
+#include <linux/usb/otg.h>
+
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-mx35.h>
+#include <mach/irqs.h>
+#include <mach/3ds_debugboard.h>
+
+#include "devices-imx35.h"
+
+#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 1)
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct physmap_flash_data mx35pdk_flash_data = {
+ .width = 2,
+};
+
+static struct resource mx35pdk_flash_resource = {
+ .start = MX35_CS0_BASE_ADDR,
+ .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device mx35pdk_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &mx35pdk_flash_data,
+ },
+ .resource = &mx35pdk_flash_resource,
+ .num_resources = 1,
+};
+
+static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
+ .width = 1,
+ .hw_ecc = 1,
+ .flash_bbt = 1,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &mx35pdk_flash,
+};
+
+static iomux_v3_cfg_t mx35pdk_pads[] = {
+ /* UART1 */
+ MX35_PAD_CTS1__UART1_CTS,
+ MX35_PAD_RTS1__UART1_RTS,
+ MX35_PAD_TXD1__UART1_TXD_MUX,
+ MX35_PAD_RXD1__UART1_RXD_MUX,
+ /* FEC */
+ MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
+ MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
+ MX35_PAD_FEC_RX_DV__FEC_RX_DV,
+ MX35_PAD_FEC_COL__FEC_COL,
+ MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
+ MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
+ MX35_PAD_FEC_TX_EN__FEC_TX_EN,
+ MX35_PAD_FEC_MDC__FEC_MDC,
+ MX35_PAD_FEC_MDIO__FEC_MDIO,
+ MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
+ MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
+ MX35_PAD_FEC_CRS__FEC_CRS,
+ MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
+ MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
+ MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
+ MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
+ MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
+ MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
+ /* USBOTG */
+ MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
+ MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
+ /* USBH1 */
+ MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
+ MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
+ /* SDCARD */
+ MX35_PAD_SD1_CMD__ESDHC1_CMD,
+ MX35_PAD_SD1_CLK__ESDHC1_CLK,
+ MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
+ MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
+ MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
+ MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
+ /* I2C1 */
+ MX35_PAD_I2C1_CLK__I2C1_SCL,
+ MX35_PAD_I2C1_DAT__I2C1_SDA,
+};
+
+static int mx35_3ds_otg_init(struct platform_device *pdev)
+{
+ return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
+}
+
+/* OTG config */
+static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
+ .operating_mode = FSL_USB2_DR_DEVICE,
+ .phy_mode = FSL_USB2_PHY_UTMI_WIDE,
+ .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
+/*
+ * ENGCM09152 also requires a hardware change.
+ * Please check the MX35 Chip Errata document for details.
+ */
+};
+
+static struct mxc_usbh_platform_data otg_pdata __initdata = {
+ .init = mx35_3ds_otg_init,
+ .portsc = MXC_EHCI_MODE_UTMI,
+};
+
+static int mx35_3ds_usbh_init(struct platform_device *pdev)
+{
+ return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
+ MXC_EHCI_INTERNAL_PHY);
+}
+
+/* USB HOST config */
+static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
+ .init = mx35_3ds_usbh_init,
+ .portsc = MXC_EHCI_MODE_SERIAL,
+};
+
+static int otg_mode_host;
+
+static int __init mx35_3ds_otg_mode(char *options)
+{
+ if (!strcmp(options, "host"))
+ otg_mode_host = 1;
+ else if (!strcmp(options, "device"))
+ otg_mode_host = 0;
+ else
+ pr_info("otg_mode neither \"host\" nor \"device\". "
+ "Defaulting to device\n");
+ return 0;
+}
+__setup("otg_mode=", mx35_3ds_otg_mode);
+
+static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
+ .bitrate = 100000,
+};
+
+/*
+ * Board specific initialization.
+ */
+static void __init mx35_3ds_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
+
+ imx35_add_fec(NULL);
+ imx35_add_imx2_wdt(NULL);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ imx35_add_imx_uart0(&uart_pdata);
+
+ if (otg_mode_host)
+ imx35_add_mxc_ehci_otg(&otg_pdata);
+
+ imx35_add_mxc_ehci_hs(&usb_host_pdata);
+
+ if (!otg_mode_host)
+ imx35_add_fsl_usb2_udc(&usb_otg_pdata);
+
+ imx35_add_mxc_nand(&mx35pdk_nand_board_info);
+ imx35_add_sdhci_esdhc_imx(0, NULL);
+
+ if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT))
+ pr_warn("Init of the debugboard failed, all "
+ "devices on the debugboard are unusable.\n");
+ imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
+}
+
+static void __init mx35pdk_timer_init(void)
+{
+ mx35_clocks_init();
+}
+
+struct sys_timer mx35pdk_timer = {
+ .init = mx35pdk_timer_init,
+};
+
+MACHINE_START(MX35_3DS, "Freescale MX35PDK")
+ /* Maintainer: Freescale Semiconductor, Inc */
+ .boot_params = MX3x_PHYS_OFFSET + 0x100,
+ .map_io = mx35_map_io,
+ .init_early = imx35_init_early,
+ .init_irq = mx35_init_irq,
+ .timer = &mx35pdk_timer,
+ .init_machine = mx35_3ds_init,
+MACHINE_END