WSL2-Linux-Kernel/arch/arm/mach-omap1/board-h2.c

/*
 * linux/arch/arm/mach-omap1/board-h2.c
 *
 * Board specific inits for OMAP-1610 H2
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * Copyright (C) 2002 MontaVista Software, Inc.
 *
 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
 *
 * H2 specific changes and cleanup
 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
 *
 * 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/device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/usb.h>
#include <asm/arch/common.h>

extern int omap_gpio_init(void);

static int __initdata h2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};

static struct mtd_partition h2_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	},
	/* kernel */
	{
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	},
	/* file system */
	{
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct flash_platform_data h2_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= h2_partitions,
	.nr_parts	= ARRAY_SIZE(h2_partitions),
};

static struct resource h2_flash_resource = {
	/* This is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device h2_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &h2_flash_data,
	},
	.num_resources	= 1,
	.resource	= &h2_flash_resource,
};

static struct resource h2_smc91x_resources[] = {
	[0] = {
		.start	= OMAP1610_ETHR_START,		/* Physical */
		.end	= OMAP1610_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device h2_smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(h2_smc91x_resources),
	.resource	= h2_smc91x_resources,
};

static struct platform_device *h2_devices[] __initdata = {
	&h2_flash_device,
	&h2_smc91x_device,
};

static void __init h2_init_smc91x(void)
{
	if ((omap_request_gpio(0)) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}
}

static void __init h2_init_irq(void)
{
	omap_init_irq();
	omap_gpio_init();
	h2_init_smc91x();
}

static struct omap_usb_config h2_usb_config __initdata = {
	/* usb1 has a Mini-AB port and external isp1301 transceiver */
	.otg		= 2,

#ifdef	CONFIG_USB_GADGET_OMAP
	.hmc_mode	= 19,	// 0:host(off) 1:dev|otg 2:disabled
	// .hmc_mode	= 21,	// 0:host(off) 1:dev(loopback) 2:host(loopback)
#elif	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
	/* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
	.hmc_mode	= 20,	// 1:dev|otg(off) 1:host 2:disabled
#endif

	.pins[1]	= 3,
};

static struct omap_mmc_config h2_mmc_config __initdata = {
	.mmc [0] = {
		.enabled 	= 1,
		.wire4		= 1,
		.wp_pin		= OMAP_MPUIO(3),
		.power_pin	= -1,	/* tps65010 gpio3 */
		.switch_pin	= OMAP_MPUIO(1),
	},
};

static struct omap_board_config_kernel h2_config[] = {
	{ OMAP_TAG_USB,           &h2_usb_config },
	{ OMAP_TAG_MMC,           &h2_mmc_config },
};

static void __init h2_init(void)
{
	/* NOTE: revC boards support NAND-boot, which can put NOR on CS2B
	 * and NAND (either 16bit or 8bit) on CS3.
	 */
	h2_flash_resource.end = h2_flash_resource.start = omap_cs3_phys();
	h2_flash_resource.end += SZ_32M - 1;

	/* MMC:  card detect and WP */
	// omap_cfg_reg(U19_ARMIO1);		/* CD */
	omap_cfg_reg(BALLOUT_V8_ARMIO3);	/* WP */

	platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
	omap_board_config = h2_config;
	omap_board_config_size = ARRAY_SIZE(h2_config);
}

static void __init h2_map_io(void)
{
	omap_map_common_io();
	omap_serial_init(h2_serial_ports);
}

MACHINE_START(OMAP_H2, "TI-H2")
	/* Maintainer: Imre Deak <imre.deak@nokia.com> */
	.phys_ram	= 0x10000000,
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= h2_map_io,
	.init_irq	= h2_init_irq,
	.init_machine	= h2_init,
	.timer		= &omap_timer,
MACHINE_END