arch/arm/mach-mx3/mx31moboard.c

   1 /*
   2  *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include <linux/types.h>
  20 #include <linux/init.h>
  21
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/memory.h>
  26
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/time.h>
  31 #include <asm/mach/map.h>
  32 #include <mach/common.h>
  33 #include <mach/imx-uart.h>
  34 #include <mach/iomux-mx3.h>
  35 #include <mach/board-mx31moboard.h>
  36
  37 #include "devices.h"
  38
  39 static struct physmap_flash_data mx31moboard_flash_data = {
  40         .width          = 2,
  41 };
  42
  43 static struct resource mx31moboard_flash_resource = {
  44         .start  = 0xa0000000,
  45         .end    = 0xa1ffffff,
  46         .flags  = IORESOURCE_MEM,
  47 };
  48
  49 static struct platform_device mx31moboard_flash = {
  50         .name   = "physmap-flash",
  51         .id     = 0,
  52         .dev    = {
  53                 .platform_data  = &mx31moboard_flash_data,
  54         },
  55         .resource = &mx31moboard_flash_resource,
  56         .num_resources = 1,
  57 };
  58
  59 static struct imxuart_platform_data uart_pdata = {
  60         .flags = IMXUART_HAVE_RTSCTS,
  61 };
  62
  63 static struct platform_device *devices[] __initdata = {
  64         &mx31moboard_flash,
  65 };
  66
  67 static int mxc_uart0_pins[] = {
  68         MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1,
  69         MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
  70 };
  71 static int mxc_uart4_pins[] = {
  72         MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
  73         MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
  74 };
  75
  76 static int mx31moboard_baseboard;
  77 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
  78
  79 /*
  80  * Board specific initialization.
  81  */
  82 static void __init mxc_board_init(void)
  83 {
  84         platform_add_devices(devices, ARRAY_SIZE(devices));
  85
  86         mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0");
  87         mxc_register_device(&mxc_uart_device0, &uart_pdata);
  88
  89         mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4");
  90         mxc_register_device(&mxc_uart_device4, &uart_pdata);
  91
  92         switch (mx31moboard_baseboard) {
  93         case MX31NOBOARD:
  94                 break;
  95         case MX31DEVBOARD:
  96                 mx31moboard_devboard_init();
  97                 break;
  98         case MX31MARXBOT:
  99                 mx31moboard_marxbot_init();
 100                 break;
 101         default:
 102                 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", mx31moboard_baseboard);
 103         }
 104 }
 105
 106 static void __init mx31moboard_timer_init(void)
 107 {
 108         mx31_clocks_init(26000000);
 109 }
 110
 111 struct sys_timer mx31moboard_timer = {
 112         .init   = mx31moboard_timer_init,
 113 };
 114
 115 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 116         /* Maintainer: Valentin Longchamp, EPFL Mobots group */
 117         .phys_io        = AIPS1_BASE_ADDR,
 118         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 119         .boot_params    = PHYS_OFFSET + 0x100,
 120         .map_io         = mx31_map_io,
 121         .init_irq       = mxc_init_irq,
 122         .init_machine   = mxc_board_init,
 123         .timer          = &mx31moboard_timer,
 124 MACHINE_END
 125