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/*
* Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/device.h>
#include <mach/pinctrl.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include "device.h"
#include "mx28evk.h"
static struct i2c_board_info __initdata mxs_i2c_device[] = {
{ I2C_BOARD_INFO("sgtl5000-i2c", 0xa), .flags = I2C_M_TEN }
};
static void __init i2c_device_init(void)
{
i2c_register_board_info(0, mxs_i2c_device, ARRAY_SIZE(mxs_i2c_device));
}
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
static struct flash_platform_data mx28_spi_flash_data = {
.name = "m25p80",
.type = "w25x80",
};
#endif
static struct spi_board_info spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
{
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 1, /* Framework bus number */
.chip_select = 0, /* Framework chip select. */
.platform_data = &mx28_spi_flash_data,
},
#endif
};
static void spi_device_init(void)
{
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
static void __init fixup_board(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
{
mx28_set_input_clk(24000000, 24000000, 32000, 50000000);
}
#if defined(CONFIG_LEDS_MXS) || defined(CONFIG_LEDS_MXS_MODULE)
static struct mxs_pwm_led mx28evk_led_pwm[2] = {
[0] = {
.name = "led-pwm0",
.pwm = 0,
},
[1] = {
.name = "led-pwm1",
.pwm = 1,
},
};
struct mxs_pwm_leds_plat_data mx28evk_led_data = {
.num = ARRAY_SIZE(mx28evk_led_pwm),
.leds = mx28evk_led_pwm,
};
static struct resource mx28evk_led_res = {
.flags = IORESOURCE_MEM,
.start = PWM_PHYS_ADDR,
.end = PWM_PHYS_ADDR + 0x3FFF,
};
static void __init mx28evk_init_leds(void)
{
struct platform_device *pdev;
pdev = mxs_get_device("mxs-leds", 0);
if (pdev == NULL || IS_ERR(pdev))
return;
pdev->resource = &mx28evk_led_res;
pdev->num_resources = 1;
pdev->dev.platform_data = &mx28evk_led_data;
mxs_add_device(pdev, 3);
}
#else
static void __init mx28evk_init_leds(void)
{
;
}
#endif
static void __init mx28evk_device_init(void)
{
/* Add mx28evk special code */
i2c_device_init();
spi_device_init();
mx28evk_init_leds();
}
static void __init mx28evk_init_machine(void)
{
mx28_pinctrl_init();
/* Init iram allocate */
#ifdef CONFIG_VECTORS_PHY_ADDR
/* reserve the first page for irq vector table*/
iram_init(MX28_OCRAM_PHBASE + PAGE_SIZE, MX28_OCRAM_SIZE - PAGE_SIZE);
#else
iram_init(MX28_OCRAM_PHBASE, MX28_OCRAM_SIZE);
#endif
mx28_gpio_init();
mx28evk_pins_init();
mx28_device_init();
mx28evk_device_init();
/* init the system revesion */
system_rev = 0x28011;
}
MACHINE_START(MX28EVK, "Freescale MX28EVK board")
.phys_io = 0x80000000,
.io_pg_offst = ((0xf0000000) >> 18) & 0xfffc,
.boot_params = 0x40000100,
.fixup = fixup_board,
.map_io = mx28_map_io,
.init_irq = mx28_irq_init,
.init_machine = mx28evk_init_machine,
.timer = &mx28_timer.timer,
MACHINE_END
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