WSL2-Linux-Kernel/arch/arm/mach-mmp/ttc_dkb.c

/*
 *  linux/arch/arm/mach-mmp/ttc_dkb.c
 *
 *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
 *
 *  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
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>

#include "common.h"

#define ARRAY_AND_SIZE(x)       (x), ARRAY_SIZE(x)

static unsigned long ttc_dkb_pin_config[] __initdata = {
	/* UART2 */
	GPIO47_UART2_RXD,
	GPIO48_UART2_TXD,

	/* DFI */
	DF_IO0_ND_IO0,
	DF_IO1_ND_IO1,
	DF_IO2_ND_IO2,
	DF_IO3_ND_IO3,
	DF_IO4_ND_IO4,
	DF_IO5_ND_IO5,
	DF_IO6_ND_IO6,
	DF_IO7_ND_IO7,
	DF_IO8_ND_IO8,
	DF_IO9_ND_IO9,
	DF_IO10_ND_IO10,
	DF_IO11_ND_IO11,
	DF_IO12_ND_IO12,
	DF_IO13_ND_IO13,
	DF_IO14_ND_IO14,
	DF_IO15_ND_IO15,
	DF_nCS0_SM_nCS2_nCS0,
	DF_ALE_SM_WEn_ND_ALE,
	DF_CLE_SM_OEn_ND_CLE,
	DF_WEn_DF_WEn,
	DF_REn_DF_REn,
	DF_RDY0_DF_RDY0,
};

static struct mtd_partition ttc_dkb_onenand_partitions[] = {
	{
		.name		= "bootloader",
		.offset		= 0,
		.size		= SZ_1M,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "reserved",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_128K,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "reserved",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_8M,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= (SZ_2M + SZ_1M),
		.mask_flags	= 0,
	}, {
		.name		= "filesystem",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_48M,
		.mask_flags	= 0,
	}
};

static struct flash_platform_data ttc_dkb_onenand_info = {
	.parts		= ttc_dkb_onenand_partitions,
	.nr_parts	= ARRAY_SIZE(ttc_dkb_onenand_partitions),
};

static struct resource ttc_dkb_resource_onenand[] = {
	[0] = {
		.start	= SMC_CS0_PHYS_BASE,
		.end	= SMC_CS0_PHYS_BASE + SZ_1M,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device ttc_dkb_device_onenand = {
	.name		= "onenand-flash",
	.id		= -1,
	.resource	= ttc_dkb_resource_onenand,
	.num_resources	= ARRAY_SIZE(ttc_dkb_resource_onenand),
	.dev		= {
		.platform_data	= &ttc_dkb_onenand_info,
	},
};

static struct platform_device *ttc_dkb_devices[] = {
	&ttc_dkb_device_onenand,
};

static void __init ttc_dkb_init(void)
{
	mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));

	/* on-chip devices */
	pxa910_add_uart(1);

	/* off-chip devices */
	platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
}

MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
	.phys_io        = APB_PHYS_BASE,
	.boot_params    = 0x00000100,
	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
	.map_io		= pxa_map_io,
	.init_irq       = pxa910_init_irq,
	.timer          = &pxa910_timer,
	.init_machine   = ttc_dkb_init,
MACHINE_END