LXR linux/arch/mips/alchemy/devboards/pb1200/platform.c

   1/*
   2 * Pb1200/DBAu1200 board platform device registration
   3 *
   4 * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20
  21#include <linux/dma-mapping.h>
  22#include <linux/init.h>
  23#include <linux/leds.h>
  24#include <linux/platform_device.h>
  25#include <linux/smc91x.h>
  26
  27#include <asm/mach-au1x00/au1xxx.h>
  28#include <asm/mach-au1x00/au1100_mmc.h>
  29
  30static int mmc_activity;
  31
  32static void pb1200mmc0_set_power(void *mmc_host, int state)
  33{
  34        if (state)
  35                bcsr->board |= BCSR_BOARD_SD0PWR;
  36        else
  37                bcsr->board &= ~BCSR_BOARD_SD0PWR;
  38
  39        au_sync_delay(1);
  40}
  41
  42static int pb1200mmc0_card_readonly(void *mmc_host)
  43{
  44        return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
  45}
  46
  47static int pb1200mmc0_card_inserted(void *mmc_host)
  48{
  49        return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
  50}
  51
  52static void pb1200_mmcled_set(struct led_classdev *led,
  53                        enum led_brightness brightness)
  54{
  55        if (brightness != LED_OFF) {
  56                if (++mmc_activity == 1)
  57                        bcsr->disk_leds &= ~(1 << 8);
  58        } else {
  59                if (--mmc_activity == 0)
  60                        bcsr->disk_leds |= (1 << 8);
  61        }
  62}
  63
  64static struct led_classdev pb1200mmc_led = {
  65        .brightness_set = pb1200_mmcled_set,
  66};
  67
  68#ifndef CONFIG_MIPS_DB1200
  69static void pb1200mmc1_set_power(void *mmc_host, int state)
  70{
  71        if (state)
  72                bcsr->board |= BCSR_BOARD_SD1PWR;
  73        else
  74                bcsr->board &= ~BCSR_BOARD_SD1PWR;
  75
  76        au_sync_delay(1);
  77}
  78
  79static int pb1200mmc1_card_readonly(void *mmc_host)
  80{
  81        return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
  82}
  83
  84static int pb1200mmc1_card_inserted(void *mmc_host)
  85{
  86        return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
  87}
  88#endif
  89
  90const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
  91        [0] = {
  92                .set_power      = pb1200mmc0_set_power,
  93                .card_inserted  = pb1200mmc0_card_inserted,
  94                .card_readonly  = pb1200mmc0_card_readonly,
  95                .cd_setup       = NULL,         /* use poll-timer in driver */
  96                .led            = &pb1200mmc_led,
  97        },
  98#ifndef CONFIG_MIPS_DB1200
  99        [1] = {
 100                .set_power      = pb1200mmc1_set_power,
 101                .card_inserted  = pb1200mmc1_card_inserted,
 102                .card_readonly  = pb1200mmc1_card_readonly,
 103                .cd_setup       = NULL,         /* use poll-timer in driver */
 104                .led            = &pb1200mmc_led,
 105        },
 106#endif
 107};
 108
 109static struct resource ide_resources[] = {
 110        [0] = {
 111                .start  = IDE_PHYS_ADDR,
 112                .end    = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
 113                .flags  = IORESOURCE_MEM
 114        },
 115        [1] = {
 116                .start  = IDE_INT,
 117                .end    = IDE_INT,
 118                .flags  = IORESOURCE_IRQ
 119        }
 120};
 121
 122static u64 ide_dmamask = DMA_BIT_MASK(32);
 123
 124static struct platform_device ide_device = {
 125        .name           = "au1200-ide",
 126        .id             = 0,
 127        .dev = {
 128                .dma_mask               = &ide_dmamask,
 129                .coherent_dma_mask      = DMA_BIT_MASK(32),
 130        },
 131        .num_resources  = ARRAY_SIZE(ide_resources),
 132        .resource       = ide_resources
 133};
 134
 135static struct smc91x_platdata smc_data = {
 136        .flags  = SMC91X_NOWAIT | SMC91X_USE_16BIT,
 137        .leda   = RPC_LED_100_10,
 138        .ledb   = RPC_LED_TX_RX,
 139};
 140
 141static struct resource smc91c111_resources[] = {
 142        [0] = {
 143                .name   = "smc91x-regs",
 144                .start  = SMC91C111_PHYS_ADDR,
 145                .end    = SMC91C111_PHYS_ADDR + 0xf,
 146                .flags  = IORESOURCE_MEM
 147        },
 148        [1] = {
 149                .start  = SMC91C111_INT,
 150                .end    = SMC91C111_INT,
 151                .flags  = IORESOURCE_IRQ
 152        },
 153};
 154
 155static struct platform_device smc91c111_device = {
 156        .dev    = {
 157                .platform_data  = &smc_data,
 158        },
 159        .name           = "smc91x",
 160        .id             = -1,
 161        .num_resources  = ARRAY_SIZE(smc91c111_resources),
 162        .resource       = smc91c111_resources
 163};
 164
 165static struct platform_device *board_platform_devices[] __initdata = {
 166        &ide_device,
 167        &smc91c111_device
 168};
 169
 170static int __init board_register_devices(void)
 171{
 172        return platform_add_devices(board_platform_devices,
 173                                    ARRAY_SIZE(board_platform_devices));
 174}
 175
 176arch_initcall(board_register_devices);
 177