OpenCloudOS-Kernel/arch/arm/mach-omap2/board-n8x0.c

151 lines
3.3 KiB
C

/*
* linux/arch/arm/mach-omap2/board-n8x0.c
*
* Copyright (C) 2005-2009 Nokia Corporation
* Author: Juha Yrjola <juha.yrjola@nokia.com>
*
* Modified from mach-omap2/board-generic.c
*
* 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/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/stddef.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <plat/board.h>
#include <plat/common.h>
#include <mach/irqs.h>
#include <plat/mcspi.h>
#include <plat/onenand.h>
#include <plat/serial.h>
static struct omap2_mcspi_device_config p54spi_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1,
};
static struct spi_board_info n800_spi_board_info[] __initdata = {
{
.modalias = "p54spi",
.bus_num = 2,
.chip_select = 0,
.max_speed_hz = 48000000,
.controller_data = &p54spi_mcspi_config,
},
};
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
static struct mtd_partition onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = 0x20000,
.mask_flags = MTD_WRITEABLE, /* Force read-only */
},
{
.name = "config",
.offset = MTDPART_OFS_APPEND,
.size = 0x60000,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 0x200000,
},
{
.name = "initfs",
.offset = MTDPART_OFS_APPEND,
.size = 0x400000,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_onenand_platform_data board_onenand_data = {
.cs = 0,
.gpio_irq = 26,
.parts = onenand_partitions,
.nr_parts = ARRAY_SIZE(onenand_partitions),
.flags = ONENAND_SYNC_READ,
};
static void __init n8x0_onenand_init(void)
{
gpmc_onenand_init(&board_onenand_data);
}
#else
static void __init n8x0_onenand_init(void) {}
#endif
static void __init n8x0_map_io(void)
{
omap2_set_globals_242x();
omap2_map_common_io();
}
static void __init n8x0_init_irq(void)
{
omap2_init_common_hw(NULL, NULL);
omap_init_irq();
omap_gpio_init();
}
static void __init n8x0_init_machine(void)
{
/* FIXME: add n810 spi devices */
spi_register_board_info(n800_spi_board_info,
ARRAY_SIZE(n800_spi_board_info));
omap_serial_init();
n8x0_onenand_init();
}
MACHINE_START(NOKIA_N800, "Nokia N800")
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = n8x0_map_io,
.init_irq = n8x0_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
MACHINE_END
MACHINE_START(NOKIA_N810, "Nokia N810")
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = n8x0_map_io,
.init_irq = n8x0_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
MACHINE_END
MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = n8x0_map_io,
.init_irq = n8x0_init_irq,
.init_machine = n8x0_init_machine,
.timer = &omap_timer,
MACHINE_END