capc7117.c

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/*
 * linux/arch/arm/mach-pxa/capc7117.c
 *
 * Support for the Embedian CAPC-7117 Evaluation Kit
 * based on the Embedian MXM-8x10 Computer on Module
 *
 * Copyright (C) 2009 Embedian Inc.
 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
 *
 * 2007-09-04: eric miao <[email protected]>
 *             rewrite to align with latest kernel
 *
 * 2010-01-09: Edwin Peer <[email protected]>
 *             Hennie van der Merwe <[email protected]>
 *             rework for upstream merge
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/serial_8250.h>
#include <linux/gpio.h>

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

#include <mach/pxa320.h>
#include <mach/mxm8x10.h>

#include "generic.h"

/* IDE (PATA) Support */
static struct pata_platform_info pata_platform_data = {
    .ioport_shift = 1
};

static struct resource capc7117_ide_resources[] = {
    [0] = {
           .start = 0x11000020,
           .end = 0x1100003f,
           .flags = IORESOURCE_MEM
    },
    [1] = {
           .start = 0x1100001c,
           .end = 0x1100001c,
           .flags = IORESOURCE_MEM
    },
    [2] = {
           .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
           .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
           .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
    }
};

static struct platform_device capc7117_ide_device = {
    .name = "pata_platform",
    .num_resources = ARRAY_SIZE(capc7117_ide_resources),
    .resource = capc7117_ide_resources,
    .dev = {
        .platform_data = &pata_platform_data,
        .coherent_dma_mask = ~0     /* grumble */
    }
};

static void __init capc7117_ide_init(void)
{
    platform_device_register(&capc7117_ide_device);
}

/* TI16C752 UART support */
#define TI16C752_FLAGS      (UPF_BOOT_AUTOCONF | \
                    UPF_IOREMAP | \
                    UPF_BUGGY_UART | \
                    UPF_SKIP_TEST)
#define TI16C752_UARTCLK    (22118400)
static struct plat_serial8250_port ti16c752_platform_data[] = {
    [0] = {
           .mapbase = 0x14000000,
           .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
           .irqflags = IRQF_TRIGGER_RISING,
           .flags = TI16C752_FLAGS,
           .iotype = UPIO_MEM,
           .regshift = 1,
           .uartclk = TI16C752_UARTCLK
    },
    [1] = {
           .mapbase = 0x14000040,
           .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
           .irqflags = IRQF_TRIGGER_RISING,
           .flags = TI16C752_FLAGS,
           .iotype = UPIO_MEM,
           .regshift = 1,
           .uartclk = TI16C752_UARTCLK
    },
    [2] = {
           .mapbase = 0x14000080,
           .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
           .irqflags = IRQF_TRIGGER_RISING,
           .flags = TI16C752_FLAGS,
           .iotype = UPIO_MEM,
           .regshift = 1,
           .uartclk = TI16C752_UARTCLK
    },
    [3] = {
           .mapbase = 0x140000c0,
           .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
           .irqflags = IRQF_TRIGGER_RISING,
           .flags = TI16C752_FLAGS,
           .iotype = UPIO_MEM,
           .regshift = 1,
           .uartclk = TI16C752_UARTCLK
    },
    [4] = {
           /* end of array */
    }
};

static struct platform_device ti16c752_device = {
    .name = "serial8250",
    .id = PLAT8250_DEV_PLATFORM,
    .dev = {
        .platform_data = ti16c752_platform_data
    }
};

static void __init capc7117_uarts_init(void)
{
    platform_device_register(&ti16c752_device);
}

static void __init capc7117_init(void)
{
    /* Init CoM */
    mxm_8x10_barebones_init();

    /* Init evaluation board peripherals */
    mxm_8x10_ac97_init();
    mxm_8x10_usb_host_init();
    mxm_8x10_mmc_init();

    capc7117_uarts_init();
    capc7117_ide_init();
}

MACHINE_START(CAPC7117,
          "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
    .atag_offset = 0x100,
    .map_io = pxa3xx_map_io,
    .nr_irqs = PXA_NR_IRQS,
    .init_irq = pxa3xx_init_irq,
    .handle_irq = pxa3xx_handle_irq,
    .timer = &pxa_timer,
    .init_machine = capc7117_init,
    .restart    = pxa_restart,
MACHINE_END