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
  43 #define CDB89712_CS8900_BASE    (CS2_PHYS_BASE + 0x300)
  44 #define CDB89712_CS8900_IRQ     (IRQ_EINT3)
  45
  46 static struct resource cdb89712_cs8900_resource[] __initdata = {
  47         DEFINE_RES_MEM(CDB89712_CS8900_BASE, SZ_1K),
  48         DEFINE_RES_IRQ(CDB89712_CS8900_IRQ),
  49 };
  50
  51 static struct mtd_partition cdb89712_flash_partitions[] __initdata = {
  52         {
  53                 .name   = "Flash",
  54                 .offset = 0,
  55                 .size   = MTDPART_SIZ_FULL,
  56         },
  57 };
  58
  59 static struct physmap_flash_data cdb89712_flash_pdata __initdata = {
  60         .width          = 4,
  61         .probe_type     = "map_rom",
  62         .parts          = cdb89712_flash_partitions,
  63         .nr_parts       = ARRAY_SIZE(cdb89712_flash_partitions),
  64 };
  65
  66 static struct resource cdb89712_flash_resources[] __initdata = {
  67         DEFINE_RES_MEM(CS0_PHYS_BASE, SZ_8M),
  68 };
  69
  70 static struct platform_device cdb89712_flash_pdev __initdata = {
  71         .name           = "physmap-flash",
  72         .id             = 0,
  73         .resource       = cdb89712_flash_resources,
  74         .num_resources  = ARRAY_SIZE(cdb89712_flash_resources),
  75         .dev    = {
  76                 .platform_data  = &cdb89712_flash_pdata,
  77         },
  78 };
  79
  80 static struct mtd_partition cdb89712_bootrom_partitions[] __initdata = {
  81         {
  82                 .name   = "BootROM",
  83                 .offset = 0,
  84                 .size   = MTDPART_SIZ_FULL,
  85         },
  86 };
  87
  88 static struct physmap_flash_data cdb89712_bootrom_pdata __initdata = {
  89         .width          = 4,
  90         .probe_type     = "map_rom",
  91         .parts          = cdb89712_bootrom_partitions,
  92         .nr_parts       = ARRAY_SIZE(cdb89712_bootrom_partitions),
  93 };
  94
  95 static struct resource cdb89712_bootrom_resources[] __initdata = {
  96         DEFINE_RES_NAMED(CS7_PHYS_BASE, SZ_128, "BOOTROM", IORESOURCE_MEM |
  97                          IORESOURCE_CACHEABLE | IORESOURCE_READONLY),
  98 };
  99
 100 static struct platform_device cdb89712_bootrom_pdev __initdata = {
 101         .name           = "physmap-flash",
 102         .id             = 1,
 103         .resource       = cdb89712_bootrom_resources,
 104         .num_resources  = ARRAY_SIZE(cdb89712_bootrom_resources),
 105         .dev    = {
 106                 .platform_data  = &cdb89712_bootrom_pdata,
 107         },
 108 };
 109
 110 static struct platdata_mtd_ram cdb89712_sram_pdata __initdata = {
 111         .bankwidth      = 4,
 112 };
 113
 114 static struct resource cdb89712_sram_resources[] __initdata = {
 115         DEFINE_RES_MEM(CLPS711X_SRAM_BASE, CLPS711X_SRAM_SIZE),
 116 };
 117
 118 static struct platform_device cdb89712_sram_pdev __initdata = {
 119         .name           = "mtd-ram",
 120         .id             = 0,
 121         .resource       = cdb89712_sram_resources,
 122         .num_resources  = ARRAY_SIZE(cdb89712_sram_resources),
 123         .dev    = {
 124                 .platform_data  = &cdb89712_sram_pdata,
 125         },
 126 };
 127
 128 static void __init cdb89712_init(void)
 129 {
 130         platform_device_register(&cdb89712_flash_pdev);
 131         platform_device_register(&cdb89712_bootrom_pdev);
 132         platform_device_register(&cdb89712_sram_pdev);
 133         platform_device_register_simple("cs89x0", 0, cdb89712_cs8900_resource,
 134                                         ARRAY_SIZE(cdb89712_cs8900_resource));
 135 }
 136
 137 MACHINE_START(CDB89712, "Cirrus-CDB89712")
 138         /* Maintainer: Ray Lehtiniemi */
 139         .atag_offset    = 0x100,
 140         .nr_irqs        = CLPS711X_NR_IRQS,
 141         .map_io         = clps711x_map_io,
 142         .init_irq       = clps711x_init_irq,
 143         .timer          = &clps711x_timer,
 144         .init_machine   = cdb89712_init,
 145         .handle_irq     = clps711x_handle_irq,
 146         .restart        = clps711x_restart,
 147 MACHINE_END