release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-mx3/mach-mx35_3ds.c

   1 /*
   2  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
   3  *
   4  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 /*
  18  * This machine is known as:
  19  *  - i.MX35 3-Stack Development System
  20  *  - i.MX35 Platform Development Kit (i.MX35 PDK)
  21  */
  22
  23 #include <linux/types.h>
  24 #include <linux/init.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/memory.h>
  27 #include <linux/gpio.h>
  28 #include <linux/fsl_devices.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/time.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <mach/hardware.h>
  36 #include <mach/common.h>
  37 #include <mach/iomux-mx35.h>
  38
  39 #include "devices-imx35.h"
  40 #include "devices.h"
  41
  42 static const struct imxuart_platform_data uart_pdata __initconst = {
  43         .flags = IMXUART_HAVE_RTSCTS,
  44 };
  45
  46 static struct platform_device *devices[] __initdata = {
  47         &mxc_fec_device,
  48 };
  49
  50 static struct pad_desc mx35pdk_pads[] = {
  51         /* UART1 */
  52         MX35_PAD_CTS1__UART1_CTS,
  53         MX35_PAD_RTS1__UART1_RTS,
  54         MX35_PAD_TXD1__UART1_TXD_MUX,
  55         MX35_PAD_RXD1__UART1_RXD_MUX,
  56         /* FEC */
  57         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
  58         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
  59         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
  60         MX35_PAD_FEC_COL__FEC_COL,
  61         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
  62         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
  63         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
  64         MX35_PAD_FEC_MDC__FEC_MDC,
  65         MX35_PAD_FEC_MDIO__FEC_MDIO,
  66         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
  67         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
  68         MX35_PAD_FEC_CRS__FEC_CRS,
  69         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
  70         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
  71         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
  72         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
  73         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
  74         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
  75         /* USBOTG */
  76         MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
  77         MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
  78 };
  79
  80 /* OTG config */
  81 static struct fsl_usb2_platform_data usb_pdata = {
  82         .operating_mode = FSL_USB2_DR_DEVICE,
  83         .phy_mode       = FSL_USB2_PHY_UTMI_WIDE,
  84 };
  85
  86 /*
  87  * Board specific initialization.
  88  */
  89 static void __init mxc_board_init(void)
  90 {
  91         mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
  92
  93         platform_add_devices(devices, ARRAY_SIZE(devices));
  94
  95         imx35_add_imx_uart0(&uart_pdata);
  96
  97         mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
  98 }
  99
 100 static void __init mx35pdk_timer_init(void)
 101 {
 102         mx35_clocks_init();
 103 }
 104
 105 struct sys_timer mx35pdk_timer = {
 106         .init   = mx35pdk_timer_init,
 107 };
 108
 109 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 110         /* Maintainer: Freescale Semiconductor, Inc */
 111         .phys_io        = MX35_AIPS1_BASE_ADDR,
 112         .io_pg_offst    = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 113         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 114         .map_io         = mx35_map_io,
 115         .init_irq       = mx35_init_irq,
 116         .init_machine   = mxc_board_init,
 117         .timer          = &mx35pdk_timer,
 118 MACHINE_END