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capc7117.c

/*
 * 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 <eric.y.miao@gmail.com>
 *             rewrite to align with latest kernel
 *
 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
 *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
 *             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 = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO76)),
             .end = 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 = 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 = 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 = 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 = 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")
      .boot_params = 0xa0000100,
      .map_io = pxa3xx_map_io,
      .init_irq = pxa3xx_init_irq,
      .timer = &pxa_timer,
      .init_machine = capc7117_init
MACHINE_END

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