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 #include <asm/mach-db1x00/bcsr.h>
  30
  31 #include "../platform.h"
  32
  33 static int mmc_activity;
  34
  35 static void pb1200mmc0_set_power(void *mmc_host, int state)
  36 {
  37         if (state)
  38                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
  39         else
  40                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);
  41
  42         msleep(1);
  43 }
  44
  45 static int pb1200mmc0_card_readonly(void *mmc_host)
  46 {
  47         return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
  48 }
  49
  50 static int pb1200mmc0_card_inserted(void *mmc_host)
  51 {
  52         return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
  53 }
  54
  55 static void pb1200_mmcled_set(struct led_classdev *led,
  56                         enum led_brightness brightness)
  57 {
  58         if (brightness != LED_OFF) {
  59                 if (++mmc_activity == 1)
  60                         bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
  61         } else {
  62                 if (--mmc_activity == 0)
  63                         bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
  64         }
  65 }
  66
  67 static struct led_classdev pb1200mmc_led = {
  68         .brightness_set = pb1200_mmcled_set,
  69 };
  70
  71 #ifndef CONFIG_MIPS_DB1200
  72 static void pb1200mmc1_set_power(void *mmc_host, int state)
  73 {
  74         if (state)
  75                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
  76         else
  77                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);
  78
  79         msleep(1);
  80 }
  81
  82 static int pb1200mmc1_card_readonly(void *mmc_host)
  83 {
  84         return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
  85 }
  86
  87 static int pb1200mmc1_card_inserted(void *mmc_host)
  88 {
  89         return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
  90 }
  91 #endif
  92
  93 const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
  94         [0] = {
  95                 .set_power      = pb1200mmc0_set_power,
  96                 .card_inserted  = pb1200mmc0_card_inserted,
  97                 .card_readonly  = pb1200mmc0_card_readonly,
  98                 .cd_setup       = NULL,         /* use poll-timer in driver */
  99                 .led            = &pb1200mmc_led,
 100         },
 101 #ifndef CONFIG_MIPS_DB1200
 102         [1] = {
 103                 .set_power      = pb1200mmc1_set_power,
 104                 .card_inserted  = pb1200mmc1_card_inserted,
 105                 .card_readonly  = pb1200mmc1_card_readonly,
 106                 .cd_setup       = NULL,         /* use poll-timer in driver */
 107                 .led            = &pb1200mmc_led,
 108         },
 109 #endif
 110 };
 111
 112 static struct resource ide_resources[] = {
 113         [0] = {
 114                 .start  = IDE_PHYS_ADDR,
 115                 .end    = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
 116                 .flags  = IORESOURCE_MEM
 117         },
 118         [1] = {
 119                 .start  = IDE_INT,
 120                 .end    = IDE_INT,
 121                 .flags  = IORESOURCE_IRQ
 122         }
 123 };
 124
 125 static u64 ide_dmamask = DMA_BIT_MASK(32);
 126
 127 static struct platform_device ide_device = {
 128         .name           = "au1200-ide",
 129         .id             = 0,
 130         .dev = {
 131                 .dma_mask               = &ide_dmamask,
 132                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 133         },
 134         .num_resources  = ARRAY_SIZE(ide_resources),
 135         .resource       = ide_resources
 136 };
 137
 138 static struct smc91x_platdata smc_data = {
 139         .flags  = SMC91X_NOWAIT | SMC91X_USE_16BIT,
 140         .leda   = RPC_LED_100_10,
 141         .ledb   = RPC_LED_TX_RX,
 142 };
 143
 144 static struct resource smc91c111_resources[] = {
 145         [0] = {
 146                 .name   = "smc91x-regs",
 147                 .start  = SMC91C111_PHYS_ADDR,
 148                 .end    = SMC91C111_PHYS_ADDR + 0xf,
 149                 .flags  = IORESOURCE_MEM
 150         },
 151         [1] = {
 152                 .start  = SMC91C111_INT,
 153                 .end    = SMC91C111_INT,
 154                 .flags  = IORESOURCE_IRQ
 155         },
 156 };
 157
 158 static struct platform_device smc91c111_device = {
 159         .dev    = {
 160                 .platform_data  = &smc_data,
 161         },
 162         .name           = "smc91x",
 163         .id             = -1,
 164         .num_resources  = ARRAY_SIZE(smc91c111_resources),
 165         .resource       = smc91c111_resources
 166 };
 167
 168 static struct platform_device *board_platform_devices[] __initdata = {
 169         &ide_device,
 170         &smc91c111_device
 171 };
 172
 173 static int __init board_register_devices(void)
 174 {
 175         int swapped;
 176
 177 #ifdef CONFIG_MIPS_PB1200
 178         db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS,
 179                                     PCMCIA_ATTR_PSEUDO_PHYS + 0x00040000 - 1,
 180                                     PCMCIA_MEM_PSEUDO_PHYS,
 181                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00040000 - 1,
 182                                     PCMCIA_IO_PSEUDO_PHYS,
 183                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00001000 - 1,
 184                                     PB1200_PC0_INT,
 185                                     PB1200_PC0_INSERT_INT,
 186                                     /*PB1200_PC0_STSCHG_INT*/0,
 187                                     PB1200_PC0_EJECT_INT,
 188                                     0);
 189
 190         db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS + 0x00800000,
 191                                     PCMCIA_ATTR_PSEUDO_PHYS + 0x00840000 - 1,
 192                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00800000,
 193                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00840000 - 1,
 194                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00800000,
 195                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00801000 - 1,
 196                                     PB1200_PC1_INT,
 197                                     PB1200_PC1_INSERT_INT,
 198                                     /*PB1200_PC1_STSCHG_INT*/0,
 199                                     PB1200_PC1_EJECT_INT,
 200                                     1);
 201 #else
 202         db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS,
 203                                     PCMCIA_ATTR_PSEUDO_PHYS + 0x00040000 - 1,
 204                                     PCMCIA_MEM_PSEUDO_PHYS,
 205                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00040000 - 1,
 206                                     PCMCIA_IO_PSEUDO_PHYS,
 207                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00001000 - 1,
 208                                     DB1200_PC0_INT,
 209                                     DB1200_PC0_INSERT_INT,
 210                                     /*DB1200_PC0_STSCHG_INT*/0,
 211                                     DB1200_PC0_EJECT_INT,
 212                                     0);
 213
 214         db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS + 0x00400000,
 215                                     PCMCIA_ATTR_PSEUDO_PHYS + 0x00440000 - 1,
 216                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00400000,
 217                                     PCMCIA_MEM_PSEUDO_PHYS  + 0x00440000 - 1,
 218                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00400000,
 219                                     PCMCIA_IO_PSEUDO_PHYS   + 0x00401000 - 1,
 220                                     DB1200_PC1_INT,
 221                                     DB1200_PC1_INSERT_INT,
 222                                     /*DB1200_PC1_STSCHG_INT*/0,
 223                                     DB1200_PC1_EJECT_INT,
 224                                     1);
 225 #endif
 226
 227         swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1200_SWAPBOOT;
 228 #ifdef CONFIG_MIPS_PB1200
 229         db1x_register_norflash(128 * 1024 * 1024, 2, swapped);
 230 #else
 231         db1x_register_norflash(64 * 1024 * 1024, 2, swapped);
 232 #endif
 233
 234         return platform_add_devices(board_platform_devices,
 235                                     ARRAY_SIZE(board_platform_devices));
 236 }
 237 device_initcall(board_register_devices);