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/*
* 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",
};
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