arch/arm/mach-ep93xx/edb93xx.c

   1 /*
   2  * arch/arm/mach-ep93xx/edb93xx.c
   3  * Cirrus Logic EDB93xx Development Board support.
   4  *
   5  * EDB93XX, EDB9301, EDB9307A
   6  * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
   7  *
   8  * EDB9302
   9  * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
  10  *
  11  * EDB9302A, EDB9315, EDB9315A
  12  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
  13  *
  14  * EDB9307
  15  * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
  16  *
  17  * EDB9312
  18  * Copyright (C) 2006 Infosys Technologies Limited
  19  *                    Toufeeq Hussain <toufeeq_hussain@infosys.com>
  20  *
  21  * This program is free software; you can redistribute it and/or modify
  22  * it under the terms of the GNU General Public License as published by
  23  * the Free Software Foundation; either version 2 of the License, or (at
  24  * your option) any later version.
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/init.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/i2c.h>
  31 #include <linux/mtd/physmap.h>
  32
  33 #include <mach/hardware.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37
  38
  39 static struct physmap_flash_data edb93xx_flash_data;
  40
  41 static struct resource edb93xx_flash_resource = {
  42         .flags          = IORESOURCE_MEM,
  43 };
  44
  45 static struct platform_device edb93xx_flash = {
  46         .name           = "physmap-flash",
  47         .id             = 0,
  48         .dev            = {
  49                 .platform_data  = &edb93xx_flash_data,
  50         },
  51         .num_resources  = 1,
  52         .resource       = &edb93xx_flash_resource,
  53 };
  54
  55 static void __init __edb93xx_register_flash(unsigned int width,
  56                         resource_size_t start, resource_size_t size)
  57 {
  58         edb93xx_flash_data.width        = width;
  59         edb93xx_flash_resource.start    = start;
  60         edb93xx_flash_resource.end      = start + size - 1;
  61
  62         platform_device_register(&edb93xx_flash);
  63 }
  64
  65 static void __init edb93xx_register_flash(void)
  66 {
  67         if (machine_is_edb9307() || machine_is_edb9312() ||
  68             machine_is_edb9315()) {
  69                 __edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
  70         } else {
  71                 __edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
  72         }
  73 }
  74
  75 static struct ep93xx_eth_data edb93xx_eth_data = {
  76         .phy_id         = 1,
  77 };
  78
  79 static struct i2c_board_info __initdata edb93xxa_i2c_data[] = {
  80         {
  81                 I2C_BOARD_INFO("isl1208", 0x6f),
  82         },
  83 };
  84
  85 static struct i2c_board_info __initdata edb93xx_i2c_data[] = {
  86         {
  87                 I2C_BOARD_INFO("ds1337", 0x68),
  88         },
  89 };
  90
  91 static void __init edb93xx_register_i2c(void)
  92 {
  93         if (machine_is_edb9302a() || machine_is_edb9307a() ||
  94             machine_is_edb9315a()) {
  95                 ep93xx_register_i2c(edb93xxa_i2c_data,
  96                                 ARRAY_SIZE(edb93xxa_i2c_data));
  97         } else if (machine_is_edb9307() || machine_is_edb9312() ||
  98                    machine_is_edb9315()) {
  99                 ep93xx_register_i2c(edb93xx_i2c_data,
 100                                 ARRAY_SIZE(edb93xx_i2c_data));
 101         }
 102 }
 103
 104 static void __init edb93xx_init_machine(void)
 105 {
 106         ep93xx_init_devices();
 107         edb93xx_register_flash();
 108         ep93xx_register_eth(&edb93xx_eth_data, 1);
 109         edb93xx_register_i2c();
 110 }
 111
 112
 113 #ifdef CONFIG_MACH_EDB9301
 114 MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
 115         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
 116         .phys_io        = EP93XX_APB_PHYS_BASE,
 117         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 118         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
 119         .map_io         = ep93xx_map_io,
 120         .init_irq       = ep93xx_init_irq,
 121         .timer          = &ep93xx_timer,
 122         .init_machine   = edb93xx_init_machine,
 123 MACHINE_END
 124 #endif
 125
 126 #ifdef CONFIG_MACH_EDB9302
 127 MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
 128         /* Maintainer: George Kashperko <george@chas.com.ua> */
 129         .phys_io        = EP93XX_APB_PHYS_BASE,
 130         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 131         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
 132         .map_io         = ep93xx_map_io,
 133         .init_irq       = ep93xx_init_irq,
 134         .timer          = &ep93xx_timer,
 135         .init_machine   = edb93xx_init_machine,
 136 MACHINE_END
 137 #endif
 138
 139 #ifdef CONFIG_MACH_EDB9302A
 140 MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
 141         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
 142         .phys_io        = EP93XX_APB_PHYS_BASE,
 143         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 144         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
 145         .map_io         = ep93xx_map_io,
 146         .init_irq       = ep93xx_init_irq,
 147         .timer          = &ep93xx_timer,
 148         .init_machine   = edb93xx_init_machine,
 149 MACHINE_END
 150 #endif
 151
 152 #ifdef CONFIG_MACH_EDB9307
 153 MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
 154         /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
 155         .phys_io        = EP93XX_APB_PHYS_BASE,
 156         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 157         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
 158         .map_io         = ep93xx_map_io,
 159         .init_irq       = ep93xx_init_irq,
 160         .timer          = &ep93xx_timer,
 161         .init_machine   = edb93xx_init_machine,
 162 MACHINE_END
 163 #endif
 164
 165 #ifdef CONFIG_MACH_EDB9307A
 166 MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
 167         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
 168         .phys_io        = EP93XX_APB_PHYS_BASE,
 169         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 170         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
 171         .map_io         = ep93xx_map_io,
 172         .init_irq       = ep93xx_init_irq,
 173         .timer          = &ep93xx_timer,
 174         .init_machine   = edb93xx_init_machine,
 175 MACHINE_END
 176 #endif
 177
 178 #ifdef CONFIG_MACH_EDB9312
 179 MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
 180         /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
 181         .phys_io        = EP93XX_APB_PHYS_BASE,
 182         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 183         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
 184         .map_io         = ep93xx_map_io,
 185         .init_irq       = ep93xx_init_irq,
 186         .timer          = &ep93xx_timer,
 187         .init_machine   = edb93xx_init_machine,
 188 MACHINE_END
 189 #endif
 190
 191 #ifdef CONFIG_MACH_EDB9315
 192 MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
 193         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
 194         .phys_io        = EP93XX_APB_PHYS_BASE,
 195         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 196         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
 197         .map_io         = ep93xx_map_io,
 198         .init_irq       = ep93xx_init_irq,
 199         .timer          = &ep93xx_timer,
 200         .init_machine   = edb93xx_init_machine,
 201 MACHINE_END
 202 #endif
 203
 204 #ifdef CONFIG_MACH_EDB9315A
 205 MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
 206         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
 207         .phys_io        = EP93XX_APB_PHYS_BASE,
 208         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
 209         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
 210         .map_io         = ep93xx_map_io,
 211         .init_irq       = ep93xx_init_irq,
 212         .timer          = &ep93xx_timer,
 213         .init_machine   = edb93xx_init_machine,
 214 MACHINE_END
 215 #endif