board-msm7x30.c

Go to the documentation of this file.

/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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 Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/usb/msm_hsusb.h>
#include <linux/clkdev.h>
#include <linux/memblock.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/memory.h>
#include <asm/setup.h>

#include <mach/board.h>
#include <mach/msm_iomap.h>
#include <mach/dma.h>

#include <mach/vreg.h>
#include "devices.h"
#include "gpiomux.h"
#include "proc_comm.h"
#include "common.h"

static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
        struct meminfo *mi)
{
    for (; tag->hdr.size; tag = tag_next(tag))
        if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
            tag->u.mem.start = 0;
            tag->u.mem.size += SZ_2M;
        }
}

static void __init msm7x30_reserve(void)
{
    memblock_remove(0x0, SZ_2M);
}

static int hsusb_phy_init_seq[] = {
    0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
    0x02, 0x36, /* Disable CDR Auto Reset feature */
    -1
};

static struct msm_otg_platform_data msm_otg_pdata = {
    .phy_init_seq       = hsusb_phy_init_seq,
    .mode                   = USB_PERIPHERAL,
    .otg_control        = OTG_PHY_CONTROL,
};

struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
#ifdef CONFIG_SERIAL_MSM_CONSOLE
    [49] = { /* UART2 RFR */
        .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
                 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
    },
    [50] = { /* UART2 CTS */
        .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
                 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
    },
    [51] = { /* UART2 RX */
        .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
                 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
    },
    [52] = { /* UART2 TX */
        .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
                 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
    },
#endif
};

static struct platform_device *devices[] __initdata = {
#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
        &msm_device_uart2,
#endif
    &msm_device_smd,
    &msm_device_otg,
    &msm_device_hsusb,
    &msm_device_hsusb_host,
};

static void __init msm7x30_init_irq(void)
{
    msm_init_irq();
}

static void __init msm7x30_init(void)
{
    msm_device_otg.dev.platform_data = &msm_otg_pdata;
    msm_device_hsusb.dev.parent = &msm_device_otg.dev;
    msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;

    platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init msm7x30_map_io(void)
{
    msm_map_msm7x30_io();
    msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
}

static void __init msm7x30_init_late(void)
{
    smd_debugfs_init();
}

MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
    .atag_offset = 0x100,
    .fixup = msm7x30_fixup,
    .reserve = msm7x30_reserve,
    .map_io = msm7x30_map_io,
    .init_irq = msm7x30_init_irq,
    .init_machine = msm7x30_init,
    .init_late = msm7x30_init_late,
    .timer = &msm7x30_timer,
MACHINE_END

MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
    .atag_offset = 0x100,
    .fixup = msm7x30_fixup,
    .reserve = msm7x30_reserve,
    .map_io = msm7x30_map_io,
    .init_irq = msm7x30_init_irq,
    .init_machine = msm7x30_init,
    .init_late = msm7x30_init_late,
    .timer = &msm7x30_timer,
MACHINE_END

MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
    .atag_offset = 0x100,
    .fixup = msm7x30_fixup,
    .reserve = msm7x30_reserve,
    .map_io = msm7x30_map_io,
    .init_irq = msm7x30_init_irq,
    .init_machine = msm7x30_init,
    .init_late = msm7x30_init_late,
    .timer = &msm7x30_timer,
MACHINE_END