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edb93xx.c

/*
 * arch/arm/mach-ep93xx/edb93xx.c
 * Cirrus Logic EDB93xx Development Board support.
 *
 * EDB93XX, EDB9301, EDB9307A
 * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
 *
 * EDB9302
 * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
 *
 * EDB9302A, EDB9315, EDB9315A
 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
 *
 * EDB9307
 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
 *
 * EDB9312
 * Copyright (C) 2006 Infosys Technologies Limited
 *                    Toufeeq Hussain <toufeeq_hussain@infosys.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>

#include <mach/hardware.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>


static struct physmap_flash_data edb93xx_flash_data;

static struct resource edb93xx_flash_resource = {
      .flags            = IORESOURCE_MEM,
};

static struct platform_device edb93xx_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .dev        = {
            .platform_data    = &edb93xx_flash_data,
      },
      .num_resources    = 1,
      .resource   = &edb93xx_flash_resource,
};

static void __init __edb93xx_register_flash(unsigned int width,
                  resource_size_t start, resource_size_t size)
{
      edb93xx_flash_data.width      = width;
      edb93xx_flash_resource.start  = start;
      edb93xx_flash_resource.end    = start + size - 1;

      platform_device_register(&edb93xx_flash);
}

static void __init edb93xx_register_flash(void)
{
      if (machine_is_edb9307() || machine_is_edb9312() ||
          machine_is_edb9315()) {
            __edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
      } else {
            __edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
      }
}

static struct ep93xx_eth_data edb93xx_eth_data = {
      .phy_id           = 1,
};


/*************************************************************************
 * EDB93xx i2c peripheral handling
 *************************************************************************/
static struct i2c_gpio_platform_data edb93xx_i2c_gpio_data = {
      .sda_pin          = EP93XX_GPIO_LINE_EEDAT,
      .sda_is_open_drain      = 0,
      .scl_pin          = EP93XX_GPIO_LINE_EECLK,
      .scl_is_open_drain      = 0,
      .udelay                 = 0,  /* default to 100 kHz */
      .timeout          = 0,  /* default to 100 ms */
};

static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
      {
            I2C_BOARD_INFO("isl1208", 0x6f),
      },
};

static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
      {
            I2C_BOARD_INFO("ds1337", 0x68),
      },
};

static void __init edb93xx_register_i2c(void)
{
      if (machine_is_edb9302a() || machine_is_edb9307a() ||
          machine_is_edb9315a()) {
            ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
                            edb93xxa_i2c_board_info,
                            ARRAY_SIZE(edb93xxa_i2c_board_info));
      } else if (machine_is_edb9307() || machine_is_edb9312() ||
               machine_is_edb9315()) {
            ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
                            edb93xx_i2c_board_info,
                            ARRAY_SIZE(edb93xx_i2c_board_info));
      }
}

static void __init edb93xx_init_machine(void)
{
      ep93xx_init_devices();
      edb93xx_register_flash();
      ep93xx_register_eth(&edb93xx_eth_data, 1);
      edb93xx_register_i2c();
}


#ifdef CONFIG_MACH_EDB9301
MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
      /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9302
MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
      /* Maintainer: George Kashperko <george@chas.com.ua> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9302A
MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
      /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE0_PHYS_BASE + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9307
MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
      /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9307A
MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
      /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE0_PHYS_BASE + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9312
MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
      /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9315
MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
      /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EDB9315A
MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
      /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
      .phys_io    = EP93XX_APB_PHYS_BASE,
      .io_pg_offst      = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
      .boot_params      = EP93XX_SDCE0_PHYS_BASE + 0x100,
      .map_io           = ep93xx_map_io,
      .init_irq   = ep93xx_init_irq,
      .timer            = &ep93xx_timer,
      .init_machine     = edb93xx_init_machine,
MACHINE_END
#endif

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