arch/sh/boards/renesas/ap325rxa/setup.c

/*
 * Renesas - AP-325RXA
 * (Compatible with Algo System ., LTD. - AP-320A)
 *
 * Copyright (C) 2008 Renesas Solutions Corp.
 * Author : Yusuke Goda <goda.yuske@renesas.com>
 *
 * 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/device.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <asm/sh_mobile_lcdc.h>
#include <asm/io.h>
#include <asm/clock.h>

static struct resource smc9118_resources[] = {
	[0] = {
		.start	= 0xb6080000,
		.end	= 0xb60fffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 35,
		.end	= 35,
		.flags	= IORESOURCE_IRQ,
	}
};

static struct platform_device smc9118_device = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc9118_resources),
	.resource	= smc9118_resources,
};

static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
	{
		 .name = "uboot",
		 .offset = 0,
		 .size = (1 * 1024 * 1024),
		 .mask_flags = MTD_WRITEABLE,	/* Read-only */
	}, {
		 .name = "kernel",
		 .offset = MTDPART_OFS_APPEND,
		 .size = (2 * 1024 * 1024),
	}, {
		 .name = "other",
		 .offset = MTDPART_OFS_APPEND,
		 .size = MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data ap325rxa_nor_flash_data = {
	.width		= 2,
	.parts		= ap325rxa_nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(ap325rxa_nor_flash_partitions),
};

static struct resource ap325rxa_nor_flash_resources[] = {
	[0] = {
		.name	= "NOR Flash",
		.start	= 0x00000000,
		.end	= 0x00ffffff,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device ap325rxa_nor_flash_device = {
	.name		= "physmap-flash",
	.resource	= ap325rxa_nor_flash_resources,
	.num_resources	= ARRAY_SIZE(ap325rxa_nor_flash_resources),
	.dev		= {
		.platform_data = &ap325rxa_nor_flash_data,
	},
};

#define FPGA_LCDREG	0xB4100180
#define FPGA_BKLREG	0xB4100212
#define FPGA_LCDREG_VAL	0x0018
#define PORT_PHCR	0xA405010E
#define PORT_PLCR	0xA4050114
#define PORT_PMCR	0xA4050116
#define PORT_PRCR	0xA405011C
#define PORT_HIZCRA	0xA4050158
#define PORT_PSCR	0xA405011E
#define PORT_PSDR	0xA405013E

static void ap320_wvga_power_on(void *board_data)
{
	msleep(100);

	/* ASD AP-320/325 LCD ON */
	ctrl_outw(FPGA_LCDREG_VAL, FPGA_LCDREG);

	/* backlight */
	ctrl_outw((ctrl_inw(PORT_PSCR) & ~0x00C0) | 0x40, PORT_PSCR);
	ctrl_outb(ctrl_inb(PORT_PSDR) & ~0x08, PORT_PSDR);
	ctrl_outw(0x100, FPGA_BKLREG);
}

static struct sh_mobile_lcdc_info lcdc_info = {
	.clock_source = LCDC_CLK_EXTERNAL,
	.ch[0] = {
		.chan = LCDC_CHAN_MAINLCD,
		.bpp = 16,
		.interface_type = RGB18,
		.clock_divider = 1,
		.lcd_cfg = {
			.name = "LB070WV1",
			.xres = 800,
			.yres = 480,
			.left_margin = 40,
			.right_margin = 160,
			.hsync_len = 8,
			.upper_margin = 63,
			.lower_margin = 80,
			.vsync_len = 1,
			.sync = 0, /* hsync and vsync are active low */
		},
		.board_cfg = {
			.display_on = ap320_wvga_power_on,
		},
	}
};

static struct resource lcdc_resources[] = {
	[0] = {
		.name	= "LCDC",
		.start	= 0xfe940000, /* P4-only space */
		.end	= 0xfe941fff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device lcdc_device = {
	.name		= "sh_mobile_lcdc_fb",
	.num_resources	= ARRAY_SIZE(lcdc_resources),
	.resource	= lcdc_resources,
	.dev		= {
		.platform_data	= &lcdc_info,
	},
};

static struct platform_device *ap325rxa_devices[] __initdata = {
	&smc9118_device,
	&ap325rxa_nor_flash_device,
	&lcdc_device,
};

static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
};

static int __init ap325rxa_devices_setup(void)
{
	clk_always_enable("mstp200"); /* LCDC */

	i2c_register_board_info(0, ap325rxa_i2c_devices,
				ARRAY_SIZE(ap325rxa_i2c_devices));
 
	return platform_add_devices(ap325rxa_devices,
				ARRAY_SIZE(ap325rxa_devices));
}
device_initcall(ap325rxa_devices_setup);

static void __init ap325rxa_setup(char **cmdline_p)
{
	/* LCDC configuration */
	ctrl_outw(ctrl_inw(PORT_PHCR) & ~0xffff, PORT_PHCR);
	ctrl_outw(ctrl_inw(PORT_PLCR) & ~0xffff, PORT_PLCR);
	ctrl_outw(ctrl_inw(PORT_PMCR) & ~0xffff, PORT_PMCR);
	ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x03ff, PORT_PRCR);
	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01C0, PORT_HIZCRA);
}

static struct sh_machine_vector mv_ap325rxa __initmv = {
	.mv_name = "AP-325RXA",
	.mv_setup = ap325rxa_setup,
};