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
  30 static int mmc_activity;
  31
  32 static 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
  42 static int pb1200mmc0_card_readonly(void *mmc_host)
  43 {
  44         return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
  45 }
  46
  47 static int pb1200mmc0_card_inserted(void *mmc_host)
  48 {
  49         return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
  50 }
  51
  52 static 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
  64 static struct led_classdev pb1200mmc_led = {
  65         .brightness_set = pb1200_mmcled_set,
  66 };
  67
  68 #ifndef CONFIG_MIPS_DB1200
  69 static 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
  79 static int pb1200mmc1_card_readonly(void *mmc_host)
  80 {
  81         return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
  82 }
  83
  84 static int pb1200mmc1_card_inserted(void *mmc_host)
  85 {
  86         return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
  87 }
  88 #endif
  89
  90 const 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
 109 static 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
 122 static u64 ide_dmamask = DMA_BIT_MASK(32);
 123
 124 static 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
 135 static 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
 141 static 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
 155 static 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
 165 static struct platform_device *board_platform_devices[] __initdata = {
 166         &ide_device,
 167         &smc91c111_device
 168 };
 169
 170 static int __init board_register_devices(void)
 171 {
 172         return platform_add_devices(board_platform_devices,
 173                                     ARRAY_SIZE(board_platform_devices));
 174 }
 175
 176 arch_initcall(board_register_devices);