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kernel/linux-imx6_3.14.28/arch/arm/mach-omap2/board-am3517crane.c 3.69 KB
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  /*
   * 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_phy_data phy_data[] __initdata = {
  	{
  		.port = 1,
  		.reset_gpio = GPIO_USB_NRESET,
  		.vcc_gpio = GPIO_USB_POWER,
  		.vcc_polarity = 1,
  	},
  };
  
  static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
  	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  };
  
  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)
  {
  	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
  ",
  			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
  ",
  			GPIO_USB_POWER);
  		return;
  	}
  
  	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
  	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