arch/arm/mach-mx3/pcm037.c

   1 /*
   2  *  Copyright (C) 2008 Sascha Hauer, Pengutronix
   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/memory.h>
  25
  26 #include <mach/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/time.h>
  30 #include <asm/mach/map.h>
  31 #include <mach/common.h>
  32 #include <mach/imx-uart.h>
  33 #include <mach/iomux-mx3.h>
  34 #include <mach/board-pcm037.h>
  35
  36 static struct physmap_flash_data pcm037_flash_data = {
  37         .width  = 2,
  38 };
  39
  40 static struct resource pcm037_flash_resource = {
  41         .start  = 0xa0000000,
  42         .end    = 0xa1ffffff,
  43         .flags  = IORESOURCE_MEM,
  44 };
  45
  46 static struct platform_device pcm037_flash = {
  47         .name   = "physmap-flash",
  48         .id     = 0,
  49         .dev    = {
  50                 .platform_data  = &pcm037_flash_data,
  51         },
  52         .resource = &pcm037_flash_resource,
  53         .num_resources = 1,
  54 };
  55
  56 static struct imxuart_platform_data uart_pdata = {
  57         .flags = IMXUART_HAVE_RTSCTS,
  58 };
  59
  60 static struct platform_device *devices[] __initdata = {
  61         &pcm037_flash,
  62 };
  63
  64 /*
  65  * Board specific initialization.
  66  */
  67 static void __init mxc_board_init(void)
  68 {
  69         platform_add_devices(devices, ARRAY_SIZE(devices));
  70
  71         mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
  72         mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
  73         mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
  74         mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
  75
  76         imx_init_uart(0, &uart_pdata);
  77
  78         mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
  79         mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
  80
  81         imx_init_uart(2, &uart_pdata);
  82 }
  83
  84 /*
  85  * This structure defines static mappings for the pcm037 board.
  86  */
  87 static struct map_desc pcm037_io_desc[] __initdata = {
  88         {
  89                 .virtual        = AIPS1_BASE_ADDR_VIRT,
  90                 .pfn            = __phys_to_pfn(AIPS1_BASE_ADDR),
  91                 .length         = AIPS1_SIZE,
  92                 .type           = MT_DEVICE
  93         }, {
  94                 .virtual        = AIPS2_BASE_ADDR_VIRT,
  95                 .pfn            = __phys_to_pfn(AIPS2_BASE_ADDR),
  96                 .length         = AIPS2_SIZE,
  97                 .type           = MT_DEVICE
  98         },
  99 };
 100
 101 /*
 102  * Set up static virtual mappings.
 103  */
 104 void __init pcm037_map_io(void)
 105 {
 106         mxc_map_io();
 107         iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
 108 }
 109
 110 static void __init pcm037_timer_init(void)
 111 {
 112         mxc_clocks_init(26000000);
 113         mxc_timer_init("ipg_clk.0");
 114 }
 115
 116 struct sys_timer pcm037_timer = {
 117         .init   = pcm037_timer_init,
 118 };
 119
 120 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 121         /* Maintainer: Pengutronix */
 122         .phys_io        = AIPS1_BASE_ADDR,
 123         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 124         .boot_params    = PHYS_OFFSET + 0x100,
 125         .map_io         = pcm037_map_io,
 126         .init_irq       = mxc_init_irq,
 127         .init_machine   = mxc_board_init,
 128         .timer          = &pcm037_timer,
 129 MACHINE_END
 130