/*
* Support for AM3517/05 Craneboard
* http://www.mistralsolutions.com/products/craneboard.php
*
* Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com>
* Author: R.Srinath <srinath@mistralsolutions.com>
*
* Based on mach-omap2/board-am3517evm.c
*
* 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 version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
* whether express or implied; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "common-board-devices.h"
#include "board-flash.h"
#include "am35xx-emac.h"
#include "mux.h"
#include "control.h"
#define GPIO_USB_POWER 35
#define GPIO_USB_NRESET 38
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
.phy_reset = true,
.reset_gpio_port[0] = GPIO_USB_NRESET,
.reset_gpio_port[1] = -EINVAL,
.reset_gpio_port[2] = -EINVAL
};
static struct mtd_partition crane_nand_partitions[] = {
{
.name = "X-Loader",
.offset = 0,
.size = 4 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "U-Boot",
.offset = MTDPART_OFS_APPEND,
.size = 14 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "U-Boot Env",
.offset = MTDPART_OFS_APPEND,
.size = 2 * NAND_BLOCK_SIZE,
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = 40 * NAND_BLOCK_SIZE,
},
{
.name = "File System",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct tps65910_board tps65910_pdata = {
.irq = 7 + OMAP_INTC_START,
.en_ck32k_xtal = true,
};
static struct i2c_board_info __initdata tps65910_board_info[] = {
{
I2C_BOARD_INFO("tps65910", 0x2d),
.platform_data = &tps65910_pdata,
},
};
static void __init am3517_crane_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, tps65910_board_info,
ARRAY_SIZE(tps65910_board_info));
}
static void __init am3517_crane_init(void)
{
int ret;
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap_serial_init();
omap_sdrc_init(NULL, NULL);
board_nand_init(crane_nand_partitions,
ARRAY_SIZE(crane_nand_partitions), 0,
NAND_BUSWIDTH_16, NULL);
am3517_crane_i2c_init();
/* Configure GPIO for EHCI port */
if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
GPIO_USB_NRESET);
return;
}
if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
GPIO_USB_POWER);
return;
}
ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
"usb_ehci_enable");
if (ret < 0) {
pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
return;
}
usbhs_init(&usbhs_bdata);
am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
}
MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
.atag_offset = 0x100,
.reserve = omap_reserve,
.map_io = omap3_map_io,
.init_early = am35xx_init_early,
.init_irq = omap3_init_irq,
.handle_irq = omap3_intc_handle_irq,
.init_machine = am3517_crane_init,
.init_late = am35xx_init_late,
.init_time = omap3_sync32k_timer_init,
.restart = omap3xxx_restart,
MACHINE_END
