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 */
  37 static struct pata_platform_info pata_platform_data = {
  38         .ioport_shift = 1
  39 };
  40
  41 static 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
  59 static 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
  69 static 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)
  80 static 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
 122 static struct platform_device ti16c752_device = {
 123         .name = "serial8250",
 124         .id = PLAT8250_DEV_PLATFORM,
 125         .dev = {
 126                 .platform_data = ti16c752_platform_data
 127         }
 128 };
 129
 130 static void __init capc7117_uarts_init(void)
 131 {
 132         platform_device_register(&ti16c752_device);
 133 }
 134
 135 static 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
 149 MACHINE_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         .init_irq = pxa3xx_init_irq,
 154         .handle_irq = pxa3xx_handle_irq,
 155         .timer = &pxa_timer,
 156         .init_machine = capc7117_init,
 157         .restart        = pxa_restart,
 158 MACHINE_END