127a7ec69c
Define the physically mapped flash on the Cogent CSB337 and CSB637 boards. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
185 lines
4.4 KiB
C
185 lines
4.4 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-csb337.c
|
|
*
|
|
* Copyright (C) 2005 SAN People
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/mtd/physmap.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/gpio.h>
|
|
|
|
#include "generic.h"
|
|
|
|
|
|
/*
|
|
* Serial port configuration.
|
|
* 0 .. 3 = USART0 .. USART3
|
|
* 4 = DBGU
|
|
*/
|
|
static struct at91_uart_config __initdata csb337_uart_config = {
|
|
.console_tty = 0, /* ttyS0 */
|
|
.nr_tty = 2,
|
|
.tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
|
|
};
|
|
|
|
static void __init csb337_map_io(void)
|
|
{
|
|
/* Initialize processor: 3.6864 MHz crystal */
|
|
at91rm9200_initialize(3686400, AT91RM9200_BGA);
|
|
|
|
/* Setup the LEDs */
|
|
at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
|
|
|
|
/* Setup the serial ports and console */
|
|
at91_init_serial(&csb337_uart_config);
|
|
}
|
|
|
|
static void __init csb337_init_irq(void)
|
|
{
|
|
at91rm9200_init_interrupts(NULL);
|
|
}
|
|
|
|
static struct at91_eth_data __initdata csb337_eth_data = {
|
|
.phy_irq_pin = AT91_PIN_PC2,
|
|
.is_rmii = 0,
|
|
};
|
|
|
|
static struct at91_usbh_data __initdata csb337_usbh_data = {
|
|
.ports = 2,
|
|
};
|
|
|
|
static struct at91_udc_data __initdata csb337_udc_data = {
|
|
// this has no VBUS sensing pin
|
|
.pullup_pin = AT91_PIN_PA24,
|
|
};
|
|
|
|
static struct at91_cf_data __initdata csb337_cf_data = {
|
|
/*
|
|
* connector P4 on the CSB 337 mates to
|
|
* connector P8 on the CSB 300CF
|
|
*/
|
|
|
|
/* CSB337 specific */
|
|
.det_pin = AT91_PIN_PC3,
|
|
|
|
/* CSB300CF specific */
|
|
.irq_pin = AT91_PIN_PA19,
|
|
.vcc_pin = AT91_PIN_PD0,
|
|
.rst_pin = AT91_PIN_PD2,
|
|
};
|
|
|
|
static struct at91_mmc_data __initdata csb337_mmc_data = {
|
|
.det_pin = AT91_PIN_PD5,
|
|
.slot_b = 0,
|
|
.wire4 = 1,
|
|
.wp_pin = AT91_PIN_PD6,
|
|
};
|
|
|
|
static struct spi_board_info csb337_spi_devices[] = {
|
|
{ /* CAN controller */
|
|
.modalias = "sak82c900",
|
|
.chip_select = 0,
|
|
.max_speed_hz = 6 * 1000 * 1000,
|
|
},
|
|
};
|
|
|
|
#define CSB_FLASH_BASE AT91_CHIPSELECT_0
|
|
#define CSB_FLASH_SIZE 0x800000
|
|
|
|
static struct mtd_partition csb_flash_partitions[] = {
|
|
{
|
|
.name = "uMON flash",
|
|
.offset = 0,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = MTD_WRITEABLE, /* read only */
|
|
}
|
|
};
|
|
|
|
static struct physmap_flash_data csb_flash_data = {
|
|
.width = 2,
|
|
.parts = csb_flash_partitions,
|
|
.nr_parts = ARRAY_SIZE(csb_flash_partitions),
|
|
};
|
|
|
|
static struct resource csb_flash_resources[] = {
|
|
{
|
|
.start = CSB_FLASH_BASE,
|
|
.end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device csb_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &csb_flash_data,
|
|
},
|
|
.resource = csb_flash_resources,
|
|
.num_resources = ARRAY_SIZE(csb_flash_resources),
|
|
};
|
|
|
|
static void __init csb337_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* Ethernet */
|
|
at91_add_device_eth(&csb337_eth_data);
|
|
/* USB Host */
|
|
at91_add_device_usbh(&csb337_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&csb337_udc_data);
|
|
/* I2C */
|
|
at91_add_device_i2c();
|
|
/* Compact Flash */
|
|
at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */
|
|
at91_add_device_cf(&csb337_cf_data);
|
|
/* SPI */
|
|
at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
|
|
/* MMC */
|
|
at91_add_device_mmc(0, &csb337_mmc_data);
|
|
/* NOR flash */
|
|
platform_device_register(&csb_flash);
|
|
}
|
|
|
|
MACHINE_START(CSB337, "Cogent CSB337")
|
|
/* Maintainer: Bill Gatliff */
|
|
.phys_io = AT91_BASE_SYS,
|
|
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
|
|
.boot_params = AT91_SDRAM_BASE + 0x100,
|
|
.timer = &at91rm9200_timer,
|
|
.map_io = csb337_map_io,
|
|
.init_irq = csb337_init_irq,
|
|
.init_machine = csb337_board_init,
|
|
MACHINE_END
|