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