arch/mips/alchemy/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
  26 #include <asm/mach-au1x00/au1xxx.h>
  27 #include <asm/mach-au1x00/au1100_mmc.h>
  28
  29 static int mmc_activity;
  30
  31 static void pb1200mmc0_set_power(void *mmc_host, int state)
  32 {
  33         if (state)
  34                 bcsr->board |= BCSR_BOARD_SD0PWR;
  35         else
  36                 bcsr->board &= ~BCSR_BOARD_SD0PWR;
  37
  38         au_sync_delay(1);
  39 }
  40
  41 static int pb1200mmc0_card_readonly(void *mmc_host)
  42 {
  43         return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
  44 }
  45
  46 static int pb1200mmc0_card_inserted(void *mmc_host)
  47 {
  48         return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
  49 }
  50
  51 static void pb1200_mmcled_set(struct led_classdev *led,
  52                         enum led_brightness brightness)
  53 {
  54         if (brightness != LED_OFF) {
  55                 if (++mmc_activity == 1)
  56                         bcsr->disk_leds &= ~(1 << 8);
  57         } else {
  58                 if (--mmc_activity == 0)
  59                         bcsr->disk_leds |= (1 << 8);
  60         }
  61 }
  62
  63 static struct led_classdev pb1200mmc_led = {
  64         .brightness_set = pb1200_mmcled_set,
  65 };
  66
  67 #ifndef CONFIG_MIPS_DB1200
  68 static void pb1200mmc1_set_power(void *mmc_host, int state)
  69 {
  70         if (state)
  71                 bcsr->board |= BCSR_BOARD_SD1PWR;
  72         else
  73                 bcsr->board &= ~BCSR_BOARD_SD1PWR;
  74
  75         au_sync_delay(1);
  76 }
  77
  78 static int pb1200mmc1_card_readonly(void *mmc_host)
  79 {
  80         return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
  81 }
  82
  83 static int pb1200mmc1_card_inserted(void *mmc_host)
  84 {
  85         return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
  86 }
  87 #endif
  88
  89 const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
  90         [0] = {
  91                 .set_power      = pb1200mmc0_set_power,
  92                 .card_inserted  = pb1200mmc0_card_inserted,
  93                 .card_readonly  = pb1200mmc0_card_readonly,
  94                 .cd_setup       = NULL,         /* use poll-timer in driver */
  95                 .led            = &pb1200mmc_led,
  96         },
  97 #ifndef CONFIG_MIPS_DB1200
  98         [1] = {
  99                 .set_power      = pb1200mmc1_set_power,
 100                 .card_inserted  = pb1200mmc1_card_inserted,
 101                 .card_readonly  = pb1200mmc1_card_readonly,
 102                 .cd_setup       = NULL,         /* use poll-timer in driver */
 103                 .led            = &pb1200mmc_led,
 104         },
 105 #endif
 106 };
 107
 108 static struct resource ide_resources[] = {
 109         [0] = {
 110                 .start  = IDE_PHYS_ADDR,
 111                 .end    = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
 112                 .flags  = IORESOURCE_MEM
 113         },
 114         [1] = {
 115                 .start  = IDE_INT,
 116                 .end    = IDE_INT,
 117                 .flags  = IORESOURCE_IRQ
 118         }
 119 };
 120
 121 static u64 ide_dmamask = DMA_32BIT_MASK;
 122
 123 static struct platform_device ide_device = {
 124         .name           = "au1200-ide",
 125         .id             = 0,
 126         .dev = {
 127                 .dma_mask               = &ide_dmamask,
 128                 .coherent_dma_mask      = DMA_32BIT_MASK,
 129         },
 130         .num_resources  = ARRAY_SIZE(ide_resources),
 131         .resource       = ide_resources
 132 };
 133
 134 static struct resource smc91c111_resources[] = {
 135         [0] = {
 136                 .name   = "smc91x-regs",
 137                 .start  = SMC91C111_PHYS_ADDR,
 138                 .end    = SMC91C111_PHYS_ADDR + 0xf,
 139                 .flags  = IORESOURCE_MEM
 140         },
 141         [1] = {
 142                 .start  = SMC91C111_INT,
 143                 .end    = SMC91C111_INT,
 144                 .flags  = IORESOURCE_IRQ
 145         },
 146 };
 147
 148 static struct platform_device smc91c111_device = {
 149         .name           = "smc91x",
 150         .id             = -1,
 151         .num_resources  = ARRAY_SIZE(smc91c111_resources),
 152         .resource       = smc91c111_resources
 153 };
 154
 155 static struct platform_device *board_platform_devices[] __initdata = {
 156         &ide_device,
 157         &smc91c111_device
 158 };
 159
 160 static int __init board_register_devices(void)
 161 {
 162         return platform_add_devices(board_platform_devices,
 163                                     ARRAY_SIZE(board_platform_devices));
 164 }
 165
 166 arch_initcall(board_register_devices);