Logo Search packages:      
Sourcecode: linux version File versions  Download package

setup-sh7367.c

/*
 * sh7367 processor support
 *
 * Copyright (C) 2010  Magnus Damm
 * Copyright (C) 2008  Yoshihiro Shimoda
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

/* SCIFA0 */
static struct plat_sci_port scif0_platform_data = {
      .mapbase    = 0xe6c40000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xc00), evt2irq(0xc00),
                      evt2irq(0xc00), evt2irq(0xc00) },
};

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

/* SCIFA1 */
static struct plat_sci_port scif1_platform_data = {
      .mapbase    = 0xe6c50000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xc20), evt2irq(0xc20),
                      evt2irq(0xc20), evt2irq(0xc20) },
};

static struct platform_device scif1_device = {
      .name       = "sh-sci",
      .id         = 1,
      .dev        = {
            .platform_data    = &scif1_platform_data,
      },
};

/* SCIFA2 */
static struct plat_sci_port scif2_platform_data = {
      .mapbase    = 0xe6c60000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xc40), evt2irq(0xc40),
                      evt2irq(0xc40), evt2irq(0xc40) },
};

static struct platform_device scif2_device = {
      .name       = "sh-sci",
      .id         = 2,
      .dev        = {
            .platform_data    = &scif2_platform_data,
      },
};

/* SCIFA3 */
static struct plat_sci_port scif3_platform_data = {
      .mapbase    = 0xe6c70000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xc60), evt2irq(0xc60),
                      evt2irq(0xc60), evt2irq(0xc60) },
};

static struct platform_device scif3_device = {
      .name       = "sh-sci",
      .id         = 3,
      .dev        = {
            .platform_data    = &scif3_platform_data,
      },
};

/* SCIFA4 */
static struct plat_sci_port scif4_platform_data = {
      .mapbase    = 0xe6c80000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xd20), evt2irq(0xd20),
                      evt2irq(0xd20), evt2irq(0xd20) },
};

static struct platform_device scif4_device = {
      .name       = "sh-sci",
      .id         = 4,
      .dev        = {
            .platform_data    = &scif4_platform_data,
      },
};

/* SCIFA5 */
static struct plat_sci_port scif5_platform_data = {
      .mapbase    = 0xe6cb0000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xd40), evt2irq(0xd40),
                      evt2irq(0xd40), evt2irq(0xd40) },
};

static struct platform_device scif5_device = {
      .name       = "sh-sci",
      .id         = 5,
      .dev        = {
            .platform_data    = &scif5_platform_data,
      },
};

/* SCIFB */
static struct plat_sci_port scif6_platform_data = {
      .mapbase    = 0xe6c30000,
      .flags            = UPF_BOOT_AUTOCONF,
      .scscr            = SCSCR_RE | SCSCR_TE,
      .scbrr_algo_id    = SCBRR_ALGO_4,
      .type       = PORT_SCIF,
      .irqs       = { evt2irq(0xd60), evt2irq(0xd60),
                      evt2irq(0xd60), evt2irq(0xd60) },
};

static struct platform_device scif6_device = {
      .name       = "sh-sci",
      .id         = 6,
      .dev        = {
            .platform_data    = &scif6_platform_data,
      },
};

static struct sh_timer_config cmt10_platform_data = {
      .name = "CMT10",
      .channel_offset = 0x10,
      .timer_bit = 0,
      .clockevent_rating = 125,
      .clocksource_rating = 125,
};

static struct resource cmt10_resources[] = {
      [0] = {
            .name = "CMT10",
            .start      = 0xe6138010,
            .end  = 0xe613801b,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = evt2irq(0xb00), /* CMT1_CMT10 */
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device cmt10_device = {
      .name       = "sh_cmt",
      .id         = 10,
      .dev = {
            .platform_data    = &cmt10_platform_data,
      },
      .resource   = cmt10_resources,
      .num_resources    = ARRAY_SIZE(cmt10_resources),
};

static struct platform_device *sh7367_early_devices[] __initdata = {
      &scif0_device,
      &scif1_device,
      &scif2_device,
      &scif3_device,
      &scif4_device,
      &scif5_device,
      &scif6_device,
      &cmt10_device,
};

void __init sh7367_add_standard_devices(void)
{
      platform_add_devices(sh7367_early_devices,
                       ARRAY_SIZE(sh7367_early_devices));
}

#define SYMSTPCR2 0xe6158048
#define SYMSTPCR2_CMT1 (1 << 29)

void __init sh7367_add_early_devices(void)
{
      /* enable clock to CMT1 */
      __raw_writel(__raw_readl(SYMSTPCR2) & ~SYMSTPCR2_CMT1, SYMSTPCR2);

      early_platform_add_devices(sh7367_early_devices,
                           ARRAY_SIZE(sh7367_early_devices));
}

Generated by  Doxygen 1.6.0   Back to index