arch/arm/mach-ep93xx/simone.c

   1 /*
   2  * arch/arm/mach-ep93xx/simone.c
   3  * Simplemachines Sim.One support.
   4  *
   5  * Copyright (C) 2010 Ryan Mallon <ryan@bluewatersys.com>
   6  *
   7  * Based on the 2.6.24.7 support:
   8  *   Copyright (C) 2009 Simplemachines
   9  *   MMC support by Peter Ivanov <ivanovp@gmail.com>, 2007
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or (at
  14  * your option) any later version.
  15  *
  16  */
  17
  18 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/gpio.h>
  23 #include <linux/i2c.h>
  24 #include <linux/i2c-gpio.h>
  25
  26 #include <mach/hardware.h>
  27 #include <mach/fb.h>
  28
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31
  32 static struct physmap_flash_data simone_flash_data = {
  33         .width          = 2,
  34 };
  35
  36 static struct resource simone_flash_resource = {
  37         .start          = EP93XX_CS6_PHYS_BASE,
  38         .end            = EP93XX_CS6_PHYS_BASE + SZ_8M - 1,
  39         .flags          = IORESOURCE_MEM,
  40 };
  41
  42 static struct platform_device simone_flash = {
  43         .name           = "physmap-flash",
  44         .id             = 0,
  45         .num_resources  = 1,
  46         .resource       = &simone_flash_resource,
  47         .dev = {
  48                 .platform_data  = &simone_flash_data,
  49         },
  50 };
  51
  52 static struct ep93xx_eth_data __initdata simone_eth_data = {
  53         .phy_id         = 1,
  54 };
  55
  56 static struct ep93xxfb_mach_info __initdata simone_fb_info = {
  57         .num_modes      = EP93XXFB_USE_MODEDB,
  58         .bpp            = 16,
  59         .flags          = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
  60 };
  61
  62 static struct i2c_gpio_platform_data __initdata simone_i2c_gpio_data = {
  63         .sda_pin                = EP93XX_GPIO_LINE_EEDAT,
  64         .sda_is_open_drain      = 0,
  65         .scl_pin                = EP93XX_GPIO_LINE_EECLK,
  66         .scl_is_open_drain      = 0,
  67         .udelay                 = 0,
  68         .timeout                = 0,
  69 };
  70
  71 static struct i2c_board_info __initdata simone_i2c_board_info[] = {
  72         {
  73                 I2C_BOARD_INFO("ds1337", 0x68),
  74         },
  75 };
  76
  77 static void __init simone_init_machine(void)
  78 {
  79         ep93xx_init_devices();
  80
  81         platform_device_register(&simone_flash);
  82         ep93xx_register_eth(&simone_eth_data, 1);
  83         ep93xx_register_fb(&simone_fb_info);
  84         ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info,
  85                             ARRAY_SIZE(simone_i2c_board_info));
  86 }
  87
  88 MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
  89 /* Maintainer: Ryan Mallon <ryan@bluewatersys.com> */
  90         .phys_io        = EP93XX_APB_PHYS_BASE,
  91         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
  92         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
  93         .map_io         = ep93xx_map_io,
  94         .init_irq       = ep93xx_init_irq,
  95         .timer          = &ep93xx_timer,
  96         .init_machine   = simone_init_machine,
  97 MACHINE_END