LXR linux/arch/arm/mach-pxa/capc7117.c

   1/*
   2 * linux/arch/arm/mach-pxa/capc7117.c
   3 *
   4 * Support for the Embedian CAPC-7117 Evaluation Kit
   5 * based on the Embedian MXM-8x10 Computer on Module
   6 *
   7 * Copyright (C) 2009 Embedian Inc.
   8 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
   9 *
  10 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
  11 *             rewrite to align with latest kernel
  12 *
  13 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
  14 *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
  15 *             rework for upstream merge
  16 *
  17 * This program is free software; you can redistribute it and/or modify
  18 * it under the terms of the GNU General Public License version 2 as
  19 * published by the Free Software Foundation.
  20 */
  21
  22#include <linux/irq.h>
  23#include <linux/platform_device.h>
  24#include <linux/ata_platform.h>
  25#include <linux/serial_8250.h>
  26#include <linux/gpio.h>
  27
  28#include <asm/mach-types.h>
  29#include <asm/mach/arch.h>
  30
  31#include <mach/pxa320.h>
  32#include <mach/mxm8x10.h>
  33
  34#include "generic.h"
  35
  36/* IDE (PATA) Support */
  37static struct pata_platform_info pata_platform_data = {
  38        .ioport_shift = 1
  39};
  40
  41static struct resource capc7117_ide_resources[] = {
  42        [0] = {
  43               .start = 0x11000020,
  44               .end = 0x1100003f,
  45               .flags = IORESOURCE_MEM
  46        },
  47        [1] = {
  48               .start = 0x1100001c,
  49               .end = 0x1100001c,
  50               .flags = IORESOURCE_MEM
  51        },
  52        [2] = {
  53               .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
  54               .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
  55               .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
  56        }
  57};
  58
  59static struct platform_device capc7117_ide_device = {
  60        .name = "pata_platform",
  61        .num_resources = ARRAY_SIZE(capc7117_ide_resources),
  62        .resource = capc7117_ide_resources,
  63        .dev = {
  64                .platform_data = &pata_platform_data,
  65                .coherent_dma_mask = ~0         /* grumble */
  66        }
  67};
  68
  69static void __init capc7117_ide_init(void)
  70{
  71        platform_device_register(&capc7117_ide_device);
  72}
  73
  74/* TI16C752 UART support */
  75#define TI16C752_FLAGS          (UPF_BOOT_AUTOCONF | \
  76                                        UPF_IOREMAP | \
  77                                        UPF_BUGGY_UART | \
  78                                        UPF_SKIP_TEST)
  79#define TI16C752_UARTCLK        (22118400)
  80static struct plat_serial8250_port ti16c752_platform_data[] = {
  81        [0] = {
  82               .mapbase = 0x14000000,
  83               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
  84               .irqflags = IRQF_TRIGGER_RISING,
  85               .flags = TI16C752_FLAGS,
  86               .iotype = UPIO_MEM,
  87               .regshift = 1,
  88               .uartclk = TI16C752_UARTCLK
  89        },
  90        [1] = {
  91               .mapbase = 0x14000040,
  92               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
  93               .irqflags = IRQF_TRIGGER_RISING,
  94               .flags = TI16C752_FLAGS,
  95               .iotype = UPIO_MEM,
  96               .regshift = 1,
  97               .uartclk = TI16C752_UARTCLK
  98        },
  99        [2] = {
 100               .mapbase = 0x14000080,
 101               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
 102               .irqflags = IRQF_TRIGGER_RISING,
 103               .flags = TI16C752_FLAGS,
 104               .iotype = UPIO_MEM,
 105               .regshift = 1,
 106               .uartclk = TI16C752_UARTCLK
 107        },
 108        [3] = {
 109               .mapbase = 0x140000c0,
 110               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
 111               .irqflags = IRQF_TRIGGER_RISING,
 112               .flags = TI16C752_FLAGS,
 113               .iotype = UPIO_MEM,
 114               .regshift = 1,
 115               .uartclk = TI16C752_UARTCLK
 116        },
 117        [4] = {
 118               /* end of array */
 119        }
 120};
 121
 122static struct platform_device ti16c752_device = {
 123        .name = "serial8250",
 124        .id = PLAT8250_DEV_PLATFORM,
 125        .dev = {
 126                .platform_data = ti16c752_platform_data
 127        }
 128};
 129
 130static void __init capc7117_uarts_init(void)
 131{
 132        platform_device_register(&ti16c752_device);
 133}
 134
 135static void __init capc7117_init(void)
 136{
 137        /* Init CoM */
 138        mxm_8x10_barebones_init();
 139
 140        /* Init evaluation board peripherals */
 141        mxm_8x10_ac97_init();
 142        mxm_8x10_usb_host_init();
 143        mxm_8x10_mmc_init();
 144
 145        capc7117_uarts_init();
 146        capc7117_ide_init();
 147}
 148
 149MACHINE_START(CAPC7117,
 150              "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
 151        .atag_offset = 0x100,
 152        .map_io = pxa3xx_map_io,
 153        .nr_irqs = PXA_NR_IRQS,
 154        .init_irq = pxa3xx_init_irq,
 155        .handle_irq = pxa3xx_handle_irq,
 156        .init_time      = pxa_timer_init,
 157        .init_machine = capc7117_init,
 158        .restart        = pxa_restart,
 159MACHINE_END
 160