forked from Minki/linux
a12370f12f
Add W90P910 Evaluate Board NOR flash driver support, The EV Board default support W19B320ABT7H of Winbond inc. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/*
|
|
* linux/arch/arm/mach-w90x900/mach-w90p910evb.c
|
|
*
|
|
* Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
|
|
*
|
|
* Copyright (C) 2008 Nuvoton technology corporation
|
|
* All rights reserved.
|
|
*
|
|
* Wan ZongShun <mcuos.com@gmail.com>
|
|
*
|
|
* 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; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/list.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/physmap.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <mach/regs-serial.h>
|
|
#include <mach/map.h>
|
|
|
|
#include "cpu.h"
|
|
/*w90p910 evb norflash driver data */
|
|
|
|
#define W90P910_FLASH_BASE 0xA0000000
|
|
#define W90P910_FLASH_SIZE 0x400000
|
|
|
|
static struct mtd_partition w90p910_flash_partitions[] = {
|
|
{
|
|
.name = "NOR Partition 1 for kernel (960K)",
|
|
.size = 0xF0000,
|
|
.offset = 0x10000,
|
|
},
|
|
{
|
|
.name = "NOR Partition 2 for image (1M)",
|
|
.size = 0x100000,
|
|
.offset = 0x100000,
|
|
},
|
|
{
|
|
.name = "NOR Partition 3 for user (2M)",
|
|
.size = 0x200000,
|
|
.offset = 0x00200000,
|
|
}
|
|
};
|
|
|
|
static struct physmap_flash_data w90p910_flash_data = {
|
|
.width = 2,
|
|
.parts = w90p910_flash_partitions,
|
|
.nr_parts = ARRAY_SIZE(w90p910_flash_partitions),
|
|
};
|
|
|
|
static struct resource w90p910_flash_resources[] = {
|
|
{
|
|
.start = W90P910_FLASH_BASE,
|
|
.end = W90P910_FLASH_BASE + W90P910_FLASH_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device w90p910_flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &w90p910_flash_data,
|
|
},
|
|
.resource = w90p910_flash_resources,
|
|
.num_resources = ARRAY_SIZE(w90p910_flash_resources),
|
|
};
|
|
|
|
static struct map_desc w90p910_iodesc[] __initdata = {
|
|
};
|
|
|
|
/*Here should be your evb resourse,such as LCD*/
|
|
|
|
static struct platform_device *w90p910evb_dev[] __initdata = {
|
|
&w90p910_serial_device,
|
|
&w90p910_flash_device,
|
|
};
|
|
|
|
static void __init w90p910evb_map_io(void)
|
|
{
|
|
w90p910_map_io(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
|
|
w90p910_init_clocks(0);
|
|
}
|
|
|
|
static void __init w90p910evb_init(void)
|
|
{
|
|
platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev));
|
|
}
|
|
|
|
MACHINE_START(W90P910EVB, "W90P910EVB")
|
|
/* Maintainer: Wan ZongShun */
|
|
.phys_io = W90X900_PA_UART,
|
|
.io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc,
|
|
.boot_params = 0,
|
|
.map_io = w90p910evb_map_io,
|
|
.init_irq = w90x900_init_irq,
|
|
.init_machine = w90p910evb_init,
|
|
.timer = &w90x900_timer,
|
|
MACHINE_END
|