setup.c

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/*
 * linux/arch/sh/boards/renesas/sh7763rdp/setup.c
 *
 * Renesas Solutions sh7763rdp board
 *
 * Copyright (C) 2008 Renesas Solutions Corp.
 * Copyright (C) 2008 Nobuhiro Iwamatsu <[email protected]>
 *
 * 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/input.h>
#include <linux/mtd/physmap.h>
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/sh_eth.h>
#include <linux/sh_intc.h>
#include <mach/sh7763rdp.h>
#include <asm/sh7760fb.h>

/* NOR Flash */
static struct mtd_partition sh7763rdp_nor_flash_partitions[] = {
    {
        .name = "U-Boot",
        .offset = 0,
        .size = (2 * 128 * 1024),
        .mask_flags = MTD_WRITEABLE,    /* Read-only */
    }, {
        .name = "Linux-Kernel",
        .offset = MTDPART_OFS_APPEND,
        .size = (20 * 128 * 1024),
    }, {
        .name = "Root Filesystem",
        .offset = MTDPART_OFS_APPEND,
        .size = MTDPART_SIZ_FULL,
    },
};

static struct physmap_flash_data sh7763rdp_nor_flash_data = {
    .width = 2,
    .parts = sh7763rdp_nor_flash_partitions,
    .nr_parts = ARRAY_SIZE(sh7763rdp_nor_flash_partitions),
};

static struct resource sh7763rdp_nor_flash_resources[] = {
    [0] = {
        .name = "NOR Flash",
        .start = 0,
        .end = (64 * 1024 * 1024),
        .flags = IORESOURCE_MEM,
    },
};

static struct platform_device sh7763rdp_nor_flash_device = {
    .name = "physmap-flash",
    .resource = sh7763rdp_nor_flash_resources,
    .num_resources = ARRAY_SIZE(sh7763rdp_nor_flash_resources),
    .dev = {
        .platform_data = &sh7763rdp_nor_flash_data,
    },
};

/*
 * SH-Ether
 *
 * SH Ether of SH7763 has multi IRQ handling.
 * (0x920,0x940,0x960 -> 0x920)
 */
static struct resource sh_eth_resources[] = {
    {
        .start  = 0xFEE00800,   /* use eth1 */
        .end    = 0xFEE00F7C - 1,
        .flags  = IORESOURCE_MEM,
    }, {
        .start  = 0xFEE01800,   /* TSU */
        .end    = 0xFEE01FFF,
        .flags  = IORESOURCE_MEM,
    }, {
        .start  = evt2irq(0x920),   /* irq number */
        .flags  = IORESOURCE_IRQ,
    },
};

static struct sh_eth_plat_data sh7763_eth_pdata = {
    .phy = 1,
    .edmac_endian = EDMAC_LITTLE_ENDIAN,
    .register_type = SH_ETH_REG_GIGABIT,
    .phy_interface = PHY_INTERFACE_MODE_MII,
};

static struct platform_device sh7763rdp_eth_device = {
    .name       = "sh-eth",
    .resource   = sh_eth_resources,
    .num_resources  = ARRAY_SIZE(sh_eth_resources),
    .dev        = {
        .platform_data = &sh7763_eth_pdata,
    },
};

/* SH7763 LCDC */
static struct resource sh7763rdp_fb_resources[] = {
    {
        .start  = 0xFFE80000,
        .end    = 0xFFE80442 - 1,
        .flags  = IORESOURCE_MEM,
    },
};

static struct fb_videomode sh7763fb_videomode = {
    .refresh = 60,
    .name = "VGA Monitor",
    .xres = 640,
    .yres = 480,
    .pixclock = 10000,
    .left_margin = 80,
    .right_margin = 24,
    .upper_margin = 30,
    .lower_margin = 1,
    .hsync_len = 96,
    .vsync_len = 1,
    .sync = 0,
    .vmode = FB_VMODE_NONINTERLACED,
    .flag = FBINFO_FLAG_DEFAULT,
};

static struct sh7760fb_platdata sh7763fb_def_pdata = {
    .def_mode = &sh7763fb_videomode,
    .ldmtr = (LDMTR_TFT_COLOR_16|LDMTR_MCNT),
    .lddfr = LDDFR_16BPP_RGB565,
    .ldpmmr = 0x0000,
    .ldpspr = 0xFFFF,
    .ldaclnr = 0x0001,
    .ldickr = 0x1102,
    .rotate = 0,
    .novsync = 0,
    .blank = NULL,
};

static struct platform_device sh7763rdp_fb_device = {
    .name       = "sh7760-lcdc",
    .resource   = sh7763rdp_fb_resources,
    .num_resources = ARRAY_SIZE(sh7763rdp_fb_resources),
    .dev = {
        .platform_data = &sh7763fb_def_pdata,
    },
};

static struct platform_device *sh7763rdp_devices[] __initdata = {
    &sh7763rdp_nor_flash_device,
    &sh7763rdp_eth_device,
    &sh7763rdp_fb_device,
};

static int __init sh7763rdp_devices_setup(void)
{
    return platform_add_devices(sh7763rdp_devices,
                    ARRAY_SIZE(sh7763rdp_devices));
}
device_initcall(sh7763rdp_devices_setup);

static void __init sh7763rdp_setup(char **cmdline_p)
{
    /* Board version check */
    if (__raw_readw(CPLD_BOARD_ID_ERV_REG) == 0xECB1)
        printk(KERN_INFO "RTE Standard Configuration\n");
    else
        printk(KERN_INFO "RTA Standard Configuration\n");

    /* USB pin select bits (clear bit 5-2 to 0) */
    __raw_writew((__raw_readw(PORT_PSEL2) & 0xFFC3), PORT_PSEL2);
    /* USBH setup port I controls to other (clear bits 4-9 to 0) */
    __raw_writew(__raw_readw(PORT_PICR) & 0xFC0F, PORT_PICR);

    /* Select USB Host controller */
    __raw_writew(0x00, USB_USBHSC);

    /* For LCD */
    /* set PTJ7-1, bits 15-2 of PJCR to 0 */
    __raw_writew(__raw_readw(PORT_PJCR) & 0x0003, PORT_PJCR);
    /* set PTI5, bits 11-10 of PICR to 0 */
    __raw_writew(__raw_readw(PORT_PICR) & 0xF3FF, PORT_PICR);
    __raw_writew(0, PORT_PKCR);
    __raw_writew(0, PORT_PLCR);
    /* set PSEL2 bits 14-8, 5-4, of PSEL2 to 0 */
    __raw_writew((__raw_readw(PORT_PSEL2) & 0x00C0), PORT_PSEL2);
    /* set PSEL3 bits 14-12, 6-4, 2-0 of PSEL3 to 0 */
    __raw_writew((__raw_readw(PORT_PSEL3) & 0x0700), PORT_PSEL3);

    /* For HAC */
    /* bit3-0  0100:HAC & SSI1 enable */
    __raw_writew((__raw_readw(PORT_PSEL1) & 0xFFF0) | 0x0004, PORT_PSEL1);
    /* bit14      1:SSI_HAC_CLK enable */
    __raw_writew(__raw_readw(PORT_PSEL4) | 0x4000, PORT_PSEL4);

    /* SH-Ether */
    __raw_writew((__raw_readw(PORT_PSEL1) & ~0xff00) | 0x2400, PORT_PSEL1);
    __raw_writew(0x0, PORT_PFCR);
    __raw_writew(0x0, PORT_PFCR);
    __raw_writew(0x0, PORT_PFCR);

    /* MMC */
    /*selects SCIF and MMC other functions */
    __raw_writew(0x0001, PORT_PSEL0);
    /* MMC clock operates */
    __raw_writel(__raw_readl(MSTPCR1) & ~0x8, MSTPCR1);
    __raw_writew(__raw_readw(PORT_PACR) & ~0x3000, PORT_PACR);
    __raw_writew(__raw_readw(PORT_PCCR) & ~0xCFC3, PORT_PCCR);
}

static struct sh_machine_vector mv_sh7763rdp __initmv = {
    .mv_name = "sh7763drp",
    .mv_setup = sh7763rdp_setup,
    .mv_init_irq = init_sh7763rdp_IRQ,
};