arch/mips/sgi-ip22/ip22-platform.c

   1 #include <linux/init.h>
   2 #include <linux/if_ether.h>
   3 #include <linux/kernel.h>
   4 #include <linux/platform_device.h>
   5
   6 #include <asm/paccess.h>
   7 #include <asm/sgi/ip22.h>
   8 #include <asm/sgi/hpc3.h>
   9 #include <asm/sgi/mc.h>
  10 #include <asm/sgi/seeq.h>
  11 #include <asm/sgi/wd.h>
  12
  13 static struct resource sgiwd93_0_resources[] = {
  14         {
  15                 .name   = "eth0 irq",
  16                 .start  = SGI_WD93_0_IRQ,
  17                 .end    = SGI_WD93_0_IRQ,
  18                 .flags  = IORESOURCE_IRQ
  19         }
  20 };
  21
  22 static struct sgiwd93_platform_data sgiwd93_0_pd = {
  23         .unit   = 0,
  24         .irq    = SGI_WD93_0_IRQ,
  25 };
  26
  27 static struct platform_device sgiwd93_0_device = {
  28         .name           = "sgiwd93",
  29         .id             = 0,
  30         .num_resources  = ARRAY_SIZE(sgiwd93_0_resources),
  31         .resource       = sgiwd93_0_resources,
  32         .dev = {
  33                 .platform_data = &sgiwd93_0_pd,
  34         },
  35 };
  36
  37 static struct resource sgiwd93_1_resources[] = {
  38         {
  39                 .name   = "eth0 irq",
  40                 .start  = SGI_WD93_1_IRQ,
  41                 .end    = SGI_WD93_1_IRQ,
  42                 .flags  = IORESOURCE_IRQ
  43         }
  44 };
  45
  46 static struct sgiwd93_platform_data sgiwd93_1_pd = {
  47         .unit   = 1,
  48         .irq    = SGI_WD93_1_IRQ,
  49 };
  50
  51 static struct platform_device sgiwd93_1_device = {
  52         .name           = "sgiwd93",
  53         .id             = 1,
  54         .num_resources  = ARRAY_SIZE(sgiwd93_1_resources),
  55         .resource       = sgiwd93_1_resources,
  56         .dev = {
  57                 .platform_data = &sgiwd93_1_pd,
  58         },
  59 };
  60
  61 /*
  62  * Create a platform device for the GPI port that receives the
  63  * image data from the embedded camera.
  64  */
  65 static int __init sgiwd93_devinit(void)
  66 {
  67         int res;
  68
  69         sgiwd93_0_pd.hregs      = &hpc3c0->scsi_chan0;
  70         sgiwd93_0_pd.wdregs     = (unsigned char *) hpc3c0->scsi0_ext;
  71
  72         res = platform_device_register(&sgiwd93_0_device);
  73         if (res)
  74                 return res;
  75
  76         if (!ip22_is_fullhouse())
  77                 return 0;
  78
  79         sgiwd93_1_pd.hregs      = &hpc3c0->scsi_chan1;
  80         sgiwd93_1_pd.wdregs     = (unsigned char *) hpc3c0->scsi1_ext;
  81
  82         return platform_device_register(&sgiwd93_1_device);
  83 }
  84
  85 device_initcall(sgiwd93_devinit);
  86
  87 static struct resource sgiseeq_0_resources[] = {
  88         {
  89                 .name   = "eth0 irq",
  90                 .start  = SGI_ENET_IRQ,
  91                 .end    = SGI_ENET_IRQ,
  92                 .flags  = IORESOURCE_IRQ
  93         }
  94 };
  95
  96 static struct sgiseeq_platform_data eth0_pd;
  97
  98 static struct platform_device eth0_device = {
  99         .name           = "sgiseeq",
 100         .id             = 0,
 101         .num_resources  = ARRAY_SIZE(sgiseeq_0_resources),
 102         .resource       = sgiseeq_0_resources,
 103         .dev = {
 104                 .platform_data = &eth0_pd,
 105         },
 106 };
 107
 108 static struct resource sgiseeq_1_resources[] = {
 109         {
 110                 .name   = "eth1 irq",
 111                 .start  = SGI_GIO_0_IRQ,
 112                 .end    = SGI_GIO_0_IRQ,
 113                 .flags  = IORESOURCE_IRQ
 114         }
 115 };
 116
 117 static struct sgiseeq_platform_data eth1_pd;
 118
 119 static struct platform_device eth1_device = {
 120         .name           = "sgiseeq",
 121         .id             = 1,
 122         .num_resources  = ARRAY_SIZE(sgiseeq_1_resources),
 123         .resource       = sgiseeq_1_resources,
 124         .dev = {
 125                 .platform_data = &eth1_pd,
 126         },
 127 };
 128
 129 /*
 130  * Create a platform device for the GPI port that receives the
 131  * image data from the embedded camera.
 132  */
 133 static int __init sgiseeq_devinit(void)
 134 {
 135         unsigned int tmp;
 136         int res, i;
 137
 138         eth0_pd.hpc = hpc3c0;
 139         eth0_pd.irq = SGI_ENET_IRQ;
 140 #define EADDR_NVOFS     250
 141         for (i = 0; i < 3; i++) {
 142                 unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
 143
 144                 eth0_pd.mac[2 * i]     = tmp >> 8;
 145                 eth0_pd.mac[2 * i + 1] = tmp & 0xff;
 146         }
 147
 148         res = platform_device_register(&eth0_device);
 149         if (res)
 150                 return res;
 151
 152         /* Second HPC is missing? */
 153         if (!ip22_is_fullhouse() ||
 154             get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
 155                 return 0;
 156
 157         sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
 158                          SGIMC_GIOPAR_HPC264;
 159         hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
 160         /* interrupt/config register on Challenge S Mezz board */
 161         hpc3c1->pbus_extregs[0][0] = 0x30;
 162
 163         eth1_pd.hpc = hpc3c1;
 164         eth1_pd.irq = SGI_GIO_0_IRQ;
 165 #define EADDR_NVOFS     250
 166         for (i = 0; i < 3; i++) {
 167                 unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,
 168                                                       EADDR_NVOFS / 2 + i);
 169
 170                 eth1_pd.mac[2 * i]     = tmp >> 8;
 171                 eth1_pd.mac[2 * i + 1] = tmp & 0xff;
 172         }
 173
 174         return platform_device_register(&eth1_device);
 175 }
 176
 177 device_initcall(sgiseeq_devinit);