setup.c

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/*
 * linux/arch/sh/boards/se/7780/setup.c
 *
 * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
 *
 * Hitachi UL SolutionEngine 7780 Support.
 *
 * 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 <asm/machvec.h>
#include <mach-se/mach/se7780.h>
#include <asm/io.h>
#include <asm/heartbeat.h>

/* Heartbeat */
static struct resource heartbeat_resource = {
    .start  = PA_LED,
    .end    = PA_LED,
    .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
};

static struct platform_device heartbeat_device = {
    .name           = "heartbeat",
    .id             = -1,
    .num_resources  = 1,
    .resource       = &heartbeat_resource,
};

/* SMC91x */
static struct resource smc91x_eth_resources[] = {
    [0] = {
        .name   = "smc91x-regs" ,
        .start  = PA_LAN + 0x300,
        .end    = PA_LAN + 0x300 + 0x10 ,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = SMC_IRQ,
        .end    = SMC_IRQ,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device smc91x_eth_device = {
    .name           = "smc91x",
    .id             = 0,
    .dev = {
        .dma_mask               = NULL,         /* don't use dma */
        .coherent_dma_mask      = 0xffffffff,
    },
    .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
    .resource       = smc91x_eth_resources,
};

static struct platform_device *se7780_devices[] __initdata = {
    &heartbeat_device,
    &smc91x_eth_device,
};

static int __init se7780_devices_setup(void)
{
    return platform_add_devices(se7780_devices,
        ARRAY_SIZE(se7780_devices));
}
device_initcall(se7780_devices_setup);

#define GPIO_PHCR        0xFFEA000E
#define GPIO_PMSELR      0xFFEA0080
#define GPIO_PECR        0xFFEA0008

static void __init se7780_setup(char **cmdline_p)
{
    /* "SH-Linux" on LED Display */
    __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
    __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
    __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
    __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
    __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
    __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
    __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
    __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );

    printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");

    /*
     * PCI REQ/GNT setting
     *   REQ0/GNT0 -> USB
     *   REQ1/GNT1 -> PC Card
     *   REQ2/GNT2 -> Serial ATA
     *   REQ3/GNT3 -> PCI slot
     */
    __raw_writew(0x0213, FPGA_REQSEL);

    /* GPIO setting */
    __raw_writew(0x0000, GPIO_PECR);
    __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
    __raw_writew(0x0c00, GPIO_PMSELR);

    /* iVDR Power ON */
    __raw_writew(0x0001, FPGA_IVDRPW);
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_se7780 __initmv = {
    .mv_name                = "Solution Engine 7780" ,
    .mv_setup               = se7780_setup ,
    .mv_init_irq        = init_se7780_IRQ,
};