setup.c

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/*
 * arch/sh/boards/renesas/sdk7780/setup.c
 *
 * Renesas Solutions SH7780 SDK Support
 * Copyright (C) 2008 Nicholas Beck <[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/types.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <asm/machvec.h>
#include <mach/sdk7780.h>
#include <asm/heartbeat.h>
#include <asm/io.h>
#include <asm/addrspace.h>

#define GPIO_PECR        0xFFEA0008

/* 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  = IRQ_ETHERNET,
        .end    = IRQ_ETHERNET,
        .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 *sdk7780_devices[] __initdata = {
    &heartbeat_device,
    &smc91x_eth_device,
};

static int __init sdk7780_devices_setup(void)
{
    return platform_add_devices(sdk7780_devices,
        ARRAY_SIZE(sdk7780_devices));
}
device_initcall(sdk7780_devices_setup);

static void __init sdk7780_setup(char **cmdline_p)
{
    u16 ver = __raw_readw(FPGA_FPVERR);
    u16 dateStamp = __raw_readw(FPGA_FPDATER);

    printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
    printk(KERN_INFO "Board version: %d (revision %d), "
             "FPGA version: %d (revision %d), datestamp : %d\n",
             (ver >> 12) & 0xf, (ver >> 8) & 0xf,
             (ver >>  4) & 0xf, ver & 0xf,
             dateStamp);

    /* Setup pin mux'ing for PCIC */
    __raw_writew(0x0000, GPIO_PECR);
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_se7780 __initmv = {
    .mv_name        = "Renesas SDK7780-R3" ,
    .mv_setup       = sdk7780_setup,
    .mv_init_irq    = init_sdk7780_IRQ,
};