arch/arm/mach-clps711x/board-cdb89712.c

   1 /*
   2  *  linux/arch/arm/mach-clps711x/cdb89712.c
   3  *
   4  *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd
   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 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/types.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/io.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/platform_device.h>
  28
  29 #include <linux/mtd/physmap.h>
  30 #include <linux/mtd/plat-ram.h>
  31 #include <linux/mtd/partitions.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/pgtable.h>
  35 #include <asm/page.h>
  36 #include <asm/setup.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 #include "common.h"
  42 #include "devices.h"
  43
  44 #define CDB89712_CS8900_BASE    (CS2_PHYS_BASE + 0x300)
  45 #define CDB89712_CS8900_IRQ     (IRQ_EINT3)
  46
  47 static struct resource cdb89712_cs8900_resource[] __initdata = {
  48         DEFINE_RES_MEM(CDB89712_CS8900_BASE, SZ_1K),
  49         DEFINE_RES_IRQ(CDB89712_CS8900_IRQ),
  50 };
  51
  52 static struct mtd_partition cdb89712_flash_partitions[] __initdata = {
  53         {
  54                 .name   = "Flash",
  55                 .offset = 0,
  56                 .size   = MTDPART_SIZ_FULL,
  57         },
  58 };
  59
  60 static struct physmap_flash_data cdb89712_flash_pdata __initdata = {
  61         .width          = 4,
  62         .probe_type     = "map_rom",
  63         .parts          = cdb89712_flash_partitions,
  64         .nr_parts       = ARRAY_SIZE(cdb89712_flash_partitions),
  65 };
  66
  67 static struct resource cdb89712_flash_resources[] __initdata = {
  68         DEFINE_RES_MEM(CS0_PHYS_BASE, SZ_8M),
  69 };
  70
  71 static struct platform_device cdb89712_flash_pdev __initdata = {
  72         .name           = "physmap-flash",
  73         .id             = 0,
  74         .resource       = cdb89712_flash_resources,
  75         .num_resources  = ARRAY_SIZE(cdb89712_flash_resources),
  76         .dev    = {
  77                 .platform_data  = &cdb89712_flash_pdata,
  78         },
  79 };
  80
  81 static struct mtd_partition cdb89712_bootrom_partitions[] __initdata = {
  82         {
  83                 .name   = "BootROM",
  84                 .offset = 0,
  85                 .size   = MTDPART_SIZ_FULL,
  86         },
  87 };
  88
  89 static struct physmap_flash_data cdb89712_bootrom_pdata __initdata = {
  90         .width          = 4,
  91         .probe_type     = "map_rom",
  92         .parts          = cdb89712_bootrom_partitions,
  93         .nr_parts       = ARRAY_SIZE(cdb89712_bootrom_partitions),
  94 };
  95
  96 static struct resource cdb89712_bootrom_resources[] __initdata = {
  97         DEFINE_RES_NAMED(CS7_PHYS_BASE, SZ_128, "BOOTROM", IORESOURCE_MEM |
  98                          IORESOURCE_CACHEABLE | IORESOURCE_READONLY),
  99 };
 100
 101 static struct platform_device cdb89712_bootrom_pdev __initdata = {
 102         .name           = "physmap-flash",
 103         .id             = 1,
 104         .resource       = cdb89712_bootrom_resources,
 105         .num_resources  = ARRAY_SIZE(cdb89712_bootrom_resources),
 106         .dev    = {
 107                 .platform_data  = &cdb89712_bootrom_pdata,
 108         },
 109 };
 110
 111 static struct platdata_mtd_ram cdb89712_sram_pdata __initdata = {
 112         .bankwidth      = 4,
 113 };
 114
 115 static struct resource cdb89712_sram_resources[] __initdata = {
 116         DEFINE_RES_MEM(CLPS711X_SRAM_BASE, CLPS711X_SRAM_SIZE),
 117 };
 118
 119 static struct platform_device cdb89712_sram_pdev __initdata = {
 120         .name           = "mtd-ram",
 121         .id             = 0,
 122         .resource       = cdb89712_sram_resources,
 123         .num_resources  = ARRAY_SIZE(cdb89712_sram_resources),
 124         .dev    = {
 125                 .platform_data  = &cdb89712_sram_pdata,
 126         },
 127 };
 128
 129 static void __init cdb89712_init(void)
 130 {
 131         clps711x_devices_init();
 132         platform_device_register(&cdb89712_flash_pdev);
 133         platform_device_register(&cdb89712_bootrom_pdev);
 134         platform_device_register(&cdb89712_sram_pdev);
 135         platform_device_register_simple("cs89x0", 0, cdb89712_cs8900_resource,
 136                                         ARRAY_SIZE(cdb89712_cs8900_resource));
 137 }
 138
 139 MACHINE_START(CDB89712, "Cirrus-CDB89712")
 140         /* Maintainer: Ray Lehtiniemi */
 141         .atag_offset    = 0x100,
 142         .nr_irqs        = CLPS711X_NR_IRQS,
 143         .map_io         = clps711x_map_io,
 144         .init_early     = clps711x_init_early,
 145         .init_irq       = clps711x_init_irq,
 146         .init_time      = clps711x_timer_init,
 147         .init_machine   = cdb89712_init,
 148         .handle_irq     = clps711x_handle_irq,
 149         .restart        = clps711x_restart,
 150 MACHINE_END