arch/arm/mach-imx/mach-mx27_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  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * This machine is known as:
  23  *  - i.MX27 3-Stack Development System
  24  *  - i.MX27 Platform Development Kit (i.MX27 PDK)
  25  */
  26
  27 #include <linux/platform_device.h>
  28 #include <linux/gpio.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/time.h>
  32 #include <mach/hardware.h>
  33 #include <mach/common.h>
  34 #include <mach/imx-uart.h>
  35 #include <mach/iomux-mx27.h>
  36
  37 #include "devices.h"
  38
  39 static unsigned int mx27pdk_pins[] = {
  40         /* UART1 */
  41         PE12_PF_UART1_TXD,
  42         PE13_PF_UART1_RXD,
  43         PE14_PF_UART1_CTS,
  44         PE15_PF_UART1_RTS,
  45         /* FEC */
  46         PD0_AIN_FEC_TXD0,
  47         PD1_AIN_FEC_TXD1,
  48         PD2_AIN_FEC_TXD2,
  49         PD3_AIN_FEC_TXD3,
  50         PD4_AOUT_FEC_RX_ER,
  51         PD5_AOUT_FEC_RXD1,
  52         PD6_AOUT_FEC_RXD2,
  53         PD7_AOUT_FEC_RXD3,
  54         PD8_AF_FEC_MDIO,
  55         PD9_AIN_FEC_MDC,
  56         PD10_AOUT_FEC_CRS,
  57         PD11_AOUT_FEC_TX_CLK,
  58         PD12_AOUT_FEC_RXD0,
  59         PD13_AOUT_FEC_RX_DV,
  60         PD14_AOUT_FEC_RX_CLK,
  61         PD15_AOUT_FEC_COL,
  62         PD16_AIN_FEC_TX_ER,
  63         PF23_AIN_FEC_TX_EN,
  64 };
  65
  66 static struct imxuart_platform_data uart_pdata = {
  67         .flags = IMXUART_HAVE_RTSCTS,
  68 };
  69
  70 static struct platform_device *platform_devices[] __initdata = {
  71         &mxc_fec_device,
  72 };
  73
  74 static void __init mx27pdk_init(void)
  75 {
  76         mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
  77                 "mx27pdk");
  78         mxc_register_device(&mxc_uart_device0, &uart_pdata);
  79         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
  80 }
  81
  82 static void __init mx27pdk_timer_init(void)
  83 {
  84         mx27_clocks_init(26000000);
  85 }
  86
  87 static struct sys_timer mx27pdk_timer = {
  88         .init   = mx27pdk_timer_init,
  89 };
  90
  91 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
  92         /* maintainer: Freescale Semiconductor, Inc. */
  93         .phys_io        = MX27_AIPI_BASE_ADDR,
  94         .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
  95         .boot_params    = MX27_PHYS_OFFSET + 0x100,
  96         .map_io         = mx27_map_io,
  97         .init_irq       = mx27_init_irq,
  98         .init_machine   = mx27pdk_init,
  99         .timer          = &mx27pdk_timer,
 100 MACHINE_END