setup-sh5.c

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/*
 * SH5-101/SH5-103 CPU Setup
 *
 *  Copyright (C) 2009  Paul Mundt
 *
 * 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/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/sh_timer.h>
#include <asm/addrspace.h>

static struct plat_sci_port scif0_platform_data = {
    .mapbase    = PHYS_PERIPHERAL_BLOCK + 0x01030000,
    .flags      = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
    .scscr      = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
    .scbrr_algo_id  = SCBRR_ALGO_2,
    .type       = PORT_SCIF,
    .irqs       = { 39, 40, 42, 0 },
};

static struct platform_device scif0_device = {
    .name       = "sh-sci",
    .id     = 0,
    .dev        = {
        .platform_data  = &scif0_platform_data,
    },
};

static struct resource rtc_resources[] = {
    [0] = {
        .start  = PHYS_PERIPHERAL_BLOCK + 0x01040000,
        .end    = PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
        .flags  = IORESOURCE_IO,
    },
    [1] = {
        /* Period IRQ */
        .start  = IRQ_PRI,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        /* Carry IRQ */
        .start  = IRQ_CUI,
        .flags  = IORESOURCE_IRQ,
    },
    [3] = {
        /* Alarm IRQ */
        .start  = IRQ_ATI,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device rtc_device = {
    .name       = "sh-rtc",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(rtc_resources),
    .resource   = rtc_resources,
};

#define TMU_BLOCK_OFF   0x01020000
#define TMU_BASE    PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
#define TMU0_BASE   (TMU_BASE + 0x8 + (0xc * 0x0))
#define TMU1_BASE   (TMU_BASE + 0x8 + (0xc * 0x1))
#define TMU2_BASE   (TMU_BASE + 0x8 + (0xc * 0x2))

static struct sh_timer_config tmu0_platform_data = {
    .channel_offset = 0x04,
    .timer_bit = 0,
    .clockevent_rating = 200,
};

static struct resource tmu0_resources[] = {
    [0] = {
        .start  = TMU0_BASE,
        .end    = TMU0_BASE + 0xc - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = IRQ_TUNI0,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu0_device = {
    .name       = "sh_tmu",
    .id     = 0,
    .dev = {
        .platform_data  = &tmu0_platform_data,
    },
    .resource   = tmu0_resources,
    .num_resources  = ARRAY_SIZE(tmu0_resources),
};

static struct sh_timer_config tmu1_platform_data = {
    .channel_offset = 0x10,
    .timer_bit = 1,
    .clocksource_rating = 200,
};

static struct resource tmu1_resources[] = {
    [0] = {
        .start  = TMU1_BASE,
        .end    = TMU1_BASE + 0xc - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = IRQ_TUNI1,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu1_device = {
    .name       = "sh_tmu",
    .id     = 1,
    .dev = {
        .platform_data  = &tmu1_platform_data,
    },
    .resource   = tmu1_resources,
    .num_resources  = ARRAY_SIZE(tmu1_resources),
};

static struct sh_timer_config tmu2_platform_data = {
    .channel_offset = 0x1c,
    .timer_bit = 2,
};

static struct resource tmu2_resources[] = {
    [0] = {
        .start  = TMU2_BASE,
        .end    = TMU2_BASE + 0xc - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = IRQ_TUNI2,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu2_device = {
    .name       = "sh_tmu",
    .id     = 2,
    .dev = {
        .platform_data  = &tmu2_platform_data,
    },
    .resource   = tmu2_resources,
    .num_resources  = ARRAY_SIZE(tmu2_resources),
};

static struct platform_device *sh5_early_devices[] __initdata = {
    &scif0_device,
    &tmu0_device,
    &tmu1_device,
    &tmu2_device,
};

static struct platform_device *sh5_devices[] __initdata = {
    &rtc_device,
};

static int __init sh5_devices_setup(void)
{
    int ret;

    ret = platform_add_devices(sh5_early_devices,
                   ARRAY_SIZE(sh5_early_devices));
    if (unlikely(ret != 0))
        return ret;

    return platform_add_devices(sh5_devices,
                    ARRAY_SIZE(sh5_devices));
}
arch_initcall(sh5_devices_setup);

void __init plat_early_device_setup(void)
{
    early_platform_add_devices(sh5_early_devices,
                   ARRAY_SIZE(sh5_early_devices));
}