148 строки
3.2 KiB
C
148 строки
3.2 KiB
C
/*
|
|
* Renesas Technology Europe RSK+ 7203 Support.
|
|
*
|
|
* Copyright (C) 2008 Paul Mundt
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/smc911x.h>
|
|
#include <linux/gpio.h>
|
|
#include <asm/machvec.h>
|
|
#include <asm/io.h>
|
|
#include <asm/sh7203.h>
|
|
|
|
static struct smc911x_platdata smc911x_info = {
|
|
.flags = SMC911X_USE_16BIT,
|
|
.irq_flags = IRQF_TRIGGER_LOW,
|
|
};
|
|
|
|
static struct resource smc911x_resources[] = {
|
|
[0] = {
|
|
.start = 0x24000000,
|
|
.end = 0x24000000 + 0x100,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = 64,
|
|
.end = 64,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device smc911x_device = {
|
|
.name = "smc911x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(smc911x_resources),
|
|
.resource = smc911x_resources,
|
|
.dev = {
|
|
.platform_data = &smc911x_info,
|
|
},
|
|
};
|
|
|
|
static const char *probes[] = { "cmdlinepart", NULL };
|
|
|
|
static struct mtd_partition *parsed_partitions;
|
|
|
|
static struct mtd_partition rsk7203_partitions[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.offset = 0x00000000,
|
|
.size = 0x00040000,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
}, {
|
|
.name = "Kernel",
|
|
.offset = MTDPART_OFS_NXTBLK,
|
|
.size = 0x001c0000,
|
|
}, {
|
|
.name = "Flash_FS",
|
|
.offset = MTDPART_OFS_NXTBLK,
|
|
.size = MTDPART_SIZ_FULL,
|
|
}
|
|
};
|
|
|
|
static struct physmap_flash_data flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource flash_resource = {
|
|
.start = 0x20000000,
|
|
.end = 0x20400000,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = -1,
|
|
.resource = &flash_resource,
|
|
.num_resources = 1,
|
|
.dev = {
|
|
.platform_data = &flash_data,
|
|
},
|
|
};
|
|
|
|
static struct mtd_info *flash_mtd;
|
|
|
|
static struct map_info rsk7203_flash_map = {
|
|
.name = "RSK+ Flash",
|
|
.size = 0x400000,
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
static void __init set_mtd_partitions(void)
|
|
{
|
|
int nr_parts = 0;
|
|
|
|
simple_map_init(&rsk7203_flash_map);
|
|
flash_mtd = do_map_probe("cfi_probe", &rsk7203_flash_map);
|
|
nr_parts = parse_mtd_partitions(flash_mtd, probes,
|
|
&parsed_partitions, 0);
|
|
/* If there is no partition table, used the hard coded table */
|
|
if (nr_parts <= 0) {
|
|
flash_data.parts = rsk7203_partitions;
|
|
flash_data.nr_parts = ARRAY_SIZE(rsk7203_partitions);
|
|
} else {
|
|
flash_data.nr_parts = nr_parts;
|
|
flash_data.parts = parsed_partitions;
|
|
}
|
|
}
|
|
|
|
|
|
static struct platform_device *rsk7203_devices[] __initdata = {
|
|
&smc911x_device,
|
|
&flash_device,
|
|
};
|
|
|
|
static int __init rsk7203_devices_setup(void)
|
|
{
|
|
/* Select pins for SCIF0 */
|
|
gpio_request(GPIO_FN_TXD0, NULL);
|
|
gpio_request(GPIO_FN_RXD0, NULL);
|
|
|
|
/* Lit LED0 */
|
|
gpio_request(GPIO_PE10, NULL);
|
|
gpio_direction_output(GPIO_PE10, 0);
|
|
gpio_export(GPIO_PE10, 0);
|
|
|
|
set_mtd_partitions();
|
|
return platform_add_devices(rsk7203_devices,
|
|
ARRAY_SIZE(rsk7203_devices));
|
|
}
|
|
device_initcall(rsk7203_devices_setup);
|
|
|
|
/*
|
|
* The Machine Vector
|
|
*/
|
|
static struct sh_machine_vector mv_rsk7203 __initmv = {
|
|
.mv_name = "RSK+7203",
|
|
};
|