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/*
* Board support file for OMAP4430 SDP.
*
* Copyright (C) 2009 Texas Instruments
*
* Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* Based on mach-omap2/board-3430sdp.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/spi/spi.h>
#include <mach/hardware.h>
#include <mach/omap4-common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/control.h>
#include <plat/timer-gp.h>
#include <plat/usb.h>
#define ETH_KS8851_IRQ 34
#define ETH_KS8851_POWER_ON 48
#define ETH_KS8851_QUART 138
static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
{
.modalias = "ks8851",
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 24000000,
.irq = ETH_KS8851_IRQ,
},
};
static int omap_ethernet_init(void)
{
int status;
/* Request of GPIO lines */
status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
if (status) {
pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
return status;
}
status = gpio_request(ETH_KS8851_QUART, "quart");
if (status) {
pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
goto error1;
}
status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
if (status) {
pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
goto error2;
}
/* Configuration of requested GPIO lines */
status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
if (status) {
pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
goto error3;
}
status = gpio_direction_output(ETH_KS8851_QUART, 1);
if (status) {
pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
goto error3;
}
status = gpio_direction_input(ETH_KS8851_IRQ);
if (status) {
pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
goto error3;
}
return 0;
error3:
gpio_free(ETH_KS8851_IRQ);
error2:
gpio_free(ETH_KS8851_QUART);
error1:
gpio_free(ETH_KS8851_POWER_ON);
return status;
}
static struct platform_device sdp4430_lcd_device = {
.name = "sdp4430_lcd",
.id = -1,
};
static struct platform_device *sdp4430_devices[] __initdata = {
&sdp4430_lcd_device,
};
static struct omap_lcd_config sdp4430_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel sdp4430_config[] __initdata = {
{ OMAP_TAG_LCD, &sdp4430_lcd_config },
};
static void __init omap_4430sdp_init_irq(void)
{
omap_board_config = sdp4430_config;
omap_board_config_size = ARRAY_SIZE(sdp4430_config);
omap2_init_common_hw(NULL, NULL);
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(1);
#endif
gic_init_irq();
omap_gpio_init();
}
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_UTMI,
.mode = MUSB_PERIPHERAL,
.power = 100,
};
static int __init omap4_i2c_init(void)
{
/*
* Phoenix Audio IC needs I2C1 to
* start with 400 KHz or less
*/
omap_register_i2c_bus(1, 400, NULL, 0);
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
omap_register_i2c_bus(4, 400, NULL, 0);
return 0;
}
static void __init omap_4430sdp_init(void)
{
int status;
omap4_i2c_init();
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
/* OMAP4 SDP uses internal transceiver so register nop transceiver */
usb_nop_xceiv_register();
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
if (!cpu_is_omap44xx())
usb_musb_init(&musb_board_data);
status = omap_ethernet_init();
if (status) {
pr_err("Ethernet initialization failed: %d\n", status);
} else {
sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
spi_register_board_info(sdp4430_spi_board_info,
ARRAY_SIZE(sdp4430_spi_board_info));
}
}
static void __init omap_4430sdp_map_io(void)
{
omap2_set_globals_443x();
omap44xx_map_common_io();
}
MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap_4430sdp_map_io,
.init_irq = omap_4430sdp_init_irq,
.init_machine = omap_4430sdp_init,
.timer = &omap_timer,
MACHINE_END
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