linux/arch/arm/mach-pxa/capc7117.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * linux/arch/arm/mach-pxa/capc7117.c
   4 *
   5 * Support for the Embedian CAPC-7117 Evaluation Kit
   6 * based on the Embedian MXM-8x10 Computer on Module
   7 *
   8 * Copyright (C) 2009 Embedian Inc.
   9 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
  10 *
  11 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
  12 *             rewrite to align with latest kernel
  13 *
  14 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
  15 *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
  16 *             rework for upstream merge
  17 */
  18
  19#include <linux/irq.h>
  20#include <linux/platform_device.h>
  21#include <linux/ata_platform.h>
  22#include <linux/serial_8250.h>
  23#include <linux/gpio.h>
  24#include <linux/regulator/machine.h>
  25
  26#include <asm/mach-types.h>
  27#include <asm/mach/arch.h>
  28
  29#include "pxa320.h"
  30#include "mxm8x10.h"
  31
  32#include "generic.h"
  33
  34/* IDE (PATA) Support */
  35static struct pata_platform_info pata_platform_data = {
  36        .ioport_shift = 1
  37};
  38
  39static struct resource capc7117_ide_resources[] = {
  40        [0] = {
  41               .start = 0x11000020,
  42               .end = 0x1100003f,
  43               .flags = IORESOURCE_MEM
  44        },
  45        [1] = {
  46               .start = 0x1100001c,
  47               .end = 0x1100001c,
  48               .flags = IORESOURCE_MEM
  49        },
  50        [2] = {
  51               .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
  52               .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
  53               .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
  54        }
  55};
  56
  57static struct platform_device capc7117_ide_device = {
  58        .name = "pata_platform",
  59        .num_resources = ARRAY_SIZE(capc7117_ide_resources),
  60        .resource = capc7117_ide_resources,
  61        .dev = {
  62                .platform_data = &pata_platform_data,
  63                .coherent_dma_mask = ~0         /* grumble */
  64        }
  65};
  66
  67static void __init capc7117_ide_init(void)
  68{
  69        platform_device_register(&capc7117_ide_device);
  70}
  71
  72/* TI16C752 UART support */
  73#define TI16C752_FLAGS          (UPF_BOOT_AUTOCONF | \
  74                                        UPF_IOREMAP | \
  75                                        UPF_BUGGY_UART | \
  76                                        UPF_SKIP_TEST)
  77#define TI16C752_UARTCLK        (22118400)
  78static struct plat_serial8250_port ti16c752_platform_data[] = {
  79        [0] = {
  80               .mapbase = 0x14000000,
  81               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
  82               .irqflags = IRQF_TRIGGER_RISING,
  83               .flags = TI16C752_FLAGS,
  84               .iotype = UPIO_MEM,
  85               .regshift = 1,
  86               .uartclk = TI16C752_UARTCLK
  87        },
  88        [1] = {
  89               .mapbase = 0x14000040,
  90               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
  91               .irqflags = IRQF_TRIGGER_RISING,
  92               .flags = TI16C752_FLAGS,
  93               .iotype = UPIO_MEM,
  94               .regshift = 1,
  95               .uartclk = TI16C752_UARTCLK
  96        },
  97        [2] = {
  98               .mapbase = 0x14000080,
  99               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
 100               .irqflags = IRQF_TRIGGER_RISING,
 101               .flags = TI16C752_FLAGS,
 102               .iotype = UPIO_MEM,
 103               .regshift = 1,
 104               .uartclk = TI16C752_UARTCLK
 105        },
 106        [3] = {
 107               .mapbase = 0x140000c0,
 108               .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
 109               .irqflags = IRQF_TRIGGER_RISING,
 110               .flags = TI16C752_FLAGS,
 111               .iotype = UPIO_MEM,
 112               .regshift = 1,
 113               .uartclk = TI16C752_UARTCLK
 114        },
 115        [4] = {
 116               /* end of array */
 117        }
 118};
 119
 120static struct platform_device ti16c752_device = {
 121        .name = "serial8250",
 122        .id = PLAT8250_DEV_PLATFORM,
 123        .dev = {
 124                .platform_data = ti16c752_platform_data
 125        }
 126};
 127
 128static void __init capc7117_uarts_init(void)
 129{
 130        platform_device_register(&ti16c752_device);
 131}
 132
 133static void __init capc7117_init(void)
 134{
 135        /* Init CoM */
 136        mxm_8x10_barebones_init();
 137
 138        /* Init evaluation board peripherals */
 139        mxm_8x10_ac97_init();
 140        mxm_8x10_usb_host_init();
 141        mxm_8x10_mmc_init();
 142
 143        capc7117_uarts_init();
 144        capc7117_ide_init();
 145
 146        regulator_has_full_constraints();
 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