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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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