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 #include "devices.h"
  37
  38 static struct physmap_flash_data pcm037_flash_data = {
  39         .width  = 2,
  40 };
  41
  42 static struct resource pcm037_flash_resource = {
  43         .start  = 0xa0000000,
  44         .end    = 0xa1ffffff,
  45         .flags  = IORESOURCE_MEM,
  46 };
  47
  48 static struct platform_device pcm037_flash = {
  49         .name   = "physmap-flash",
  50         .id     = 0,
  51         .dev    = {
  52                 .platform_data  = &pcm037_flash_data,
  53         },
  54         .resource = &pcm037_flash_resource,
  55         .num_resources = 1,
  56 };
  57
  58 static struct imxuart_platform_data uart_pdata = {
  59         .flags = IMXUART_HAVE_RTSCTS,
  60 };
  61
  62 static struct platform_device *devices[] __initdata = {
  63         &pcm037_flash,
  64 };
  65
  66 /*
  67  * Board specific initialization.
  68  */
  69 static void __init mxc_board_init(void)
  70 {
  71         platform_add_devices(devices, ARRAY_SIZE(devices));
  72
  73         mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
  74         mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
  75         mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
  76         mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
  77
  78         mxc_register_device(&mxc_uart_device0, &uart_pdata);
  79
  80         mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
  81         mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
  82
  83         mxc_register_device(&mxc_uart_device2, &uart_pdata);
  84 }
  85
  86 /*
  87  * This structure defines static mappings for the pcm037 board.
  88  */
  89 static struct map_desc pcm037_io_desc[] __initdata = {
  90         {
  91                 .virtual        = AIPS1_BASE_ADDR_VIRT,
  92                 .pfn            = __phys_to_pfn(AIPS1_BASE_ADDR),
  93                 .length         = AIPS1_SIZE,
  94                 .type           = MT_DEVICE
  95         }, {
  96                 .virtual        = AIPS2_BASE_ADDR_VIRT,
  97                 .pfn            = __phys_to_pfn(AIPS2_BASE_ADDR),
  98                 .length         = AIPS2_SIZE,
  99                 .type           = MT_DEVICE
 100         },
 101 };
 102
 103 /*
 104  * Set up static virtual mappings.
 105  */
 106 void __init pcm037_map_io(void)
 107 {
 108         mxc_map_io();
 109         iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
 110 }
 111
 112 static void __init pcm037_timer_init(void)
 113 {
 114         mxc_clocks_init(26000000);
 115         mxc_timer_init("ipg_clk.0");
 116 }
 117
 118 struct sys_timer pcm037_timer = {
 119         .init   = pcm037_timer_init,
 120 };
 121
 122 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 123         /* Maintainer: Pengutronix */
 124         .phys_io        = AIPS1_BASE_ADDR,
 125         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 126         .boot_params    = PHYS_OFFSET + 0x100,
 127         .map_io         = pcm037_map_io,
 128         .init_irq       = mxc_init_irq,
 129         .init_machine   = mxc_board_init,
 130         .timer          = &pcm037_timer,
 131 MACHINE_END
 132