arch/arm/mach-mx3/mach-mx35_3ds.c

   1 /*
   2  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
   3  * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
   4  *
   5  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 /*
  19  * This machine is known as:
  20  *  - i.MX35 3-Stack Development System
  21  *  - i.MX35 Platform Development Kit (i.MX35 PDK)
  22  */
  23
  24 #include <linux/types.h>
  25 #include <linux/init.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/memory.h>
  28 #include <linux/gpio.h>
  29 #include <linux/fsl_devices.h>
  30
  31 #include <linux/mtd/physmap.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/time.h>
  36 #include <asm/mach/map.h>
  37
  38 #include <mach/hardware.h>
  39 #include <mach/common.h>
  40 #include <mach/iomux-mx35.h>
  41 #include <mach/irqs.h>
  42 #include <mach/3ds_debugboard.h>
  43 #include <mach/mxc_ehci.h>
  44
  45 #include "devices-imx35.h"
  46 #include "devices.h"
  47
  48 #define EXPIO_PARENT_INT        (MXC_INTERNAL_IRQS + GPIO_PORTA + 1)
  49
  50 static const struct imxuart_platform_data uart_pdata __initconst = {
  51         .flags = IMXUART_HAVE_RTSCTS,
  52 };
  53
  54 static struct physmap_flash_data mx35pdk_flash_data = {
  55         .width  = 2,
  56 };
  57
  58 static struct resource mx35pdk_flash_resource = {
  59         .start  = MX35_CS0_BASE_ADDR,
  60         .end    = MX35_CS0_BASE_ADDR + SZ_64M - 1,
  61         .flags  = IORESOURCE_MEM,
  62 };
  63
  64 static struct platform_device mx35pdk_flash = {
  65         .name   = "physmap-flash",
  66         .id     = 0,
  67         .dev    = {
  68                 .platform_data  = &mx35pdk_flash_data,
  69         },
  70         .resource = &mx35pdk_flash_resource,
  71         .num_resources = 1,
  72 };
  73
  74 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
  75         .width = 1,
  76         .hw_ecc = 1,
  77         .flash_bbt = 1,
  78 };
  79
  80 static struct platform_device *devices[] __initdata = {
  81         &mx35pdk_flash,
  82 };
  83
  84 static struct pad_desc mx35pdk_pads[] = {
  85         /* UART1 */
  86         MX35_PAD_CTS1__UART1_CTS,
  87         MX35_PAD_RTS1__UART1_RTS,
  88         MX35_PAD_TXD1__UART1_TXD_MUX,
  89         MX35_PAD_RXD1__UART1_RXD_MUX,
  90         /* FEC */
  91         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
  92         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
  93         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
  94         MX35_PAD_FEC_COL__FEC_COL,
  95         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
  96         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
  97         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
  98         MX35_PAD_FEC_MDC__FEC_MDC,
  99         MX35_PAD_FEC_MDIO__FEC_MDIO,
 100         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 101         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 102         MX35_PAD_FEC_CRS__FEC_CRS,
 103         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 104         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 105         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 106         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 107         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 108         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 109         /* USBOTG */
 110         MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
 111         MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
 112         /* USBH1 */
 113         MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 114         MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 115         /* SDCARD */
 116         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 117         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 118         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 119         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 120         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 121         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 122 };
 123
 124 /* OTG config */
 125 static struct fsl_usb2_platform_data usb_otg_pdata = {
 126         .operating_mode = FSL_USB2_DR_DEVICE,
 127         .phy_mode       = FSL_USB2_PHY_UTMI_WIDE,
 128 };
 129
 130 /* USB HOST config */
 131 static struct mxc_usbh_platform_data usb_host_pdata = {
 132         .portsc         = MXC_EHCI_MODE_SERIAL,
 133         .flags          = MXC_EHCI_INTERFACE_SINGLE_UNI |
 134                           MXC_EHCI_INTERNAL_PHY,
 135 };
 136
 137 /*
 138  * Board specific initialization.
 139  */
 140 static void __init mxc_board_init(void)
 141 {
 142         mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
 143
 144         imx35_add_fec(NULL);
 145         platform_add_devices(devices, ARRAY_SIZE(devices));
 146
 147         imx35_add_imx_uart0(&uart_pdata);
 148
 149         mxc_register_device(&mxc_otg_udc_device, &usb_otg_pdata);
 150
 151         mxc_register_device(&mxc_usbh1, &usb_host_pdata);
 152
 153         imx35_add_mxc_nand(&mx35pdk_nand_board_info);
 154         imx35_add_esdhc(0, NULL);
 155
 156         if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT))
 157                 pr_warn("Init of the debugboard failed, all "
 158                                 "devices on the debugboard are unusable.\n");
 159 }
 160
 161 static void __init mx35pdk_timer_init(void)
 162 {
 163         mx35_clocks_init();
 164 }
 165
 166 struct sys_timer mx35pdk_timer = {
 167         .init   = mx35pdk_timer_init,
 168 };
 169
 170 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 171         /* Maintainer: Freescale Semiconductor, Inc */
 172         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 173         .map_io         = mx35_map_io,
 174         .init_irq       = mx35_init_irq,
 175         .init_machine   = mxc_board_init,
 176         .timer          = &mx35pdk_timer,
 177 MACHINE_END