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/*
* KFR2R09 board support code
*
* Copyright (C) 2009 Magnus Damm
*
* 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/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <asm/clock.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/sh_keysc.h>
#include <cpu/sh7724.h>
static struct mtd_partition kfr2r09_nor_flash_partitions[] =
{
{
.name = "boot",
.offset = 0,
.size = (4 * 1024 * 1024),
.mask_flags = MTD_WRITEABLE, /* Read-only */
},
{
.name = "other",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data kfr2r09_nor_flash_data = {
.width = 2,
.parts = kfr2r09_nor_flash_partitions,
.nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
};
static struct resource kfr2r09_nor_flash_resources[] = {
[0] = {
.name = "NOR Flash",
.start = 0x00000000,
.end = 0x03ffffff,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device kfr2r09_nor_flash_device = {
.name = "physmap-flash",
.resource = kfr2r09_nor_flash_resources,
.num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
.dev = {
.platform_data = &kfr2r09_nor_flash_data,
},
};
static struct sh_keysc_info kfr2r09_sh_keysc_info = {
.mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
.scan_timing = 3,
.delay = 10,
.keycodes = {
KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
KEY_1, KEY_2, KEY_3, 0, KEY_UP,
KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
0, 0, 0, 0, 0
},
};
static struct resource kfr2r09_sh_keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0x044b0000,
.end = 0x044b000f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 79,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device kfr2r09_sh_keysc_device = {
.name = "sh_keysc",
.id = 0, /* "keysc0" clock */
.num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
.resource = kfr2r09_sh_keysc_resources,
.dev = {
.platform_data = &kfr2r09_sh_keysc_info,
},
.archdata = {
.hwblk_id = HWBLK_KEYSC,
},
};
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
&kfr2r09_sh_keysc_device,
};
#define BSC_CS0BCR 0xfec10004
#define BSC_CS0WCR 0xfec10024
static int __init kfr2r09_devices_setup(void)
{
/* enable SCIF1 serial port for YC401 console support */
gpio_request(GPIO_FN_SCIF1_RXD, NULL);
gpio_request(GPIO_FN_SCIF1_TXD, NULL);
/* setup NOR flash at CS0 */
ctrl_outl(0x36db0400, BSC_CS0BCR);
ctrl_outl(0x00000500, BSC_CS0WCR);
/* setup KEYSC pins */
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYOUT1, NULL);
gpio_request(GPIO_FN_KEYOUT2, NULL);
gpio_request(GPIO_FN_KEYOUT3, NULL);
gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
gpio_request(GPIO_FN_KEYIN0, NULL);
gpio_request(GPIO_FN_KEYIN1, NULL);
gpio_request(GPIO_FN_KEYIN2, NULL);
gpio_request(GPIO_FN_KEYIN3, NULL);
gpio_request(GPIO_FN_KEYIN4, NULL);
gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
device_initcall(kfr2r09_devices_setup);
/* Return the board specific boot mode pin configuration */
static int kfr2r09_mode_pins(void)
{
/* MD0=1, MD1=1, MD2=0: Clock Mode 3
* MD3=0: 16-bit Area0 Bus Width
* MD5=1: Little Endian
* MD8=1: Test Mode Disabled
*/
return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_kfr2r09 __initmv = {
.mv_name = "kfr2r09",
.mv_mode_pins = kfr2r09_mode_pins,
};
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