target/linux/ixp4xx/patches-3.3/300-avila_fetch_mac.patch

   1 --- a/arch/arm/mach-ixp4xx/avila-setup.c
   2 +++ b/arch/arm/mach-ixp4xx/avila-setup.c
   3 @@ -14,9 +14,14 @@
   4  #include <linux/kernel.h>
   5  #include <linux/init.h>
   6  #include <linux/device.h>
   7 +#include <linux/if_ether.h>
   8 +#include <linux/socket.h>
   9 +#include <linux/netdevice.h>
  10  #include <linux/serial.h>
  11  #include <linux/tty.h>
  12  #include <linux/serial_8250.h>
  13 +#include <linux/i2c.h>
  14 +#include <linux/i2c/at24.h>
  15  #include <linux/i2c-gpio.h>
  16  #include <asm/types.h>
  17  #include <asm/setup.h>
  18 @@ -30,6 +35,13 @@
  19  #define AVILA_SDA_PIN  7
  20  #define AVILA_SCL_PIN  6
  21
  22 +struct avila_board_info {
  23 +       unsigned char   *model;
  24 +       void            (*setup)(void);
  25 +};
  26 +
  27 +static struct avila_board_info *avila_info __initdata;
  28 +
  29  static struct flash_platform_data avila_flash_data = {
  30         .map_name       = "cfi_probe",
  31         .width          = 2,
  32 @@ -133,16 +145,181 @@ static struct platform_device avila_pata
  33         .resource               = avila_pata_resources,
  34  };
  35
  36 +/* Built-in 10/100 Ethernet MAC interfaces */
  37 +static struct eth_plat_info avila_npeb_data = {
  38 +       .phy            = 0,
  39 +       .rxq            = 3,
  40 +       .txreadyq       = 20,
  41 +};
  42 +
  43 +static struct eth_plat_info avila_npec_data = {
  44 +       .phy            = 1,
  45 +       .rxq            = 4,
  46 +       .txreadyq       = 21,
  47 +};
  48 +
  49 +static struct platform_device avila_npeb_device = {
  50 +       .name                   = "ixp4xx_eth",
  51 +       .id                     = IXP4XX_ETH_NPEB,
  52 +       .dev.platform_data      = &avila_npeb_data,
  53 +};
  54 +
  55 +static struct platform_device avila_npec_device = {
  56 +       .name                   = "ixp4xx_eth",
  57 +       .id                     = IXP4XX_ETH_NPEC,
  58 +       .dev.platform_data      = &avila_npec_data,
  59 +};
  60 +
  61  static struct platform_device *avila_devices[] __initdata = {
  62         &avila_i2c_gpio,
  63         &avila_flash,
  64         &avila_uart
  65  };
  66
  67 +static void __init avila_gw23xx_setup(void)
  68 +{
  69 +       platform_device_register(&avila_npeb_device);
  70 +       platform_device_register(&avila_npec_device);
  71 +}
  72 +
  73 +static void __init avila_gw2342_setup(void)
  74 +{
  75 +       platform_device_register(&avila_npeb_device);
  76 +       platform_device_register(&avila_npec_device);
  77 +}
  78 +
  79 +static void __init avila_gw2345_setup(void)
  80 +{
  81 +       avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
  82 +       avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
  83 +       platform_device_register(&avila_npeb_device);
  84 +
  85 +       avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
  86 +       platform_device_register(&avila_npec_device);
  87 +}
  88 +
  89 +static void __init avila_gw2347_setup(void)
  90 +{
  91 +       platform_device_register(&avila_npeb_device);
  92 +}
  93 +
  94 +static void __init avila_gw2348_setup(void)
  95 +{
  96 +       platform_device_register(&avila_npeb_device);
  97 +       platform_device_register(&avila_npec_device);
  98 +}
  99 +
 100 +static void __init avila_gw2353_setup(void)
 101 +{
 102 +       platform_device_register(&avila_npeb_device);
 103 +}
 104 +
 105 +static void __init avila_gw2355_setup(void)
 106 +{
 107 +       avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
 108 +       avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
 109 +       platform_device_register(&avila_npeb_device);
 110 +
 111 +       avila_npec_data.phy = 16;
 112 +       platform_device_register(&avila_npec_device);
 113 +}
 114 +
 115 +static void __init avila_gw2357_setup(void)
 116 +{
 117 +       platform_device_register(&avila_npeb_device);
 118 +}
 119 +
 120 +static struct avila_board_info avila_boards[] __initdata = {
 121 +       {
 122 +               .model          = "GW2342",
 123 +               .setup          = avila_gw2342_setup,
 124 +       }, {
 125 +               .model          = "GW2345",
 126 +               .setup          = avila_gw2345_setup,
 127 +       }, {
 128 +               .model          = "GW2347",
 129 +               .setup          = avila_gw2347_setup,
 130 +       }, {
 131 +               .model          = "GW2348",
 132 +               .setup          = avila_gw2348_setup,
 133 +       }, {
 134 +               .model          = "GW2353",
 135 +               .setup          = avila_gw2353_setup,
 136 +       }, {
 137 +               .model          = "GW2355",
 138 +               .setup          = avila_gw2355_setup,
 139 +       }, {
 140 +               .model          = "GW2357",
 141 +               .setup          = avila_gw2357_setup,
 142 +       }
 143 +};
 144 +
 145 +static struct avila_board_info * __init avila_find_board_info(char *model)
 146 +{
 147 +       int i;
 148 +       model[6] = '\0';
 149 +
 150 +       for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
 151 +               struct avila_board_info *info = &avila_boards[i];
 152 +               if (strcmp(info->model, model) == 0)
 153 +                       return info;
 154 +       }
 155 +
 156 +       return NULL;
 157 +}
 158 +
 159 +static struct memory_accessor *at24_mem_acc;
 160 +
 161 +static void at24_setup(struct memory_accessor *mem_acc, void *context)
 162 +{
 163 +       char mac_addr[ETH_ALEN];
 164 +       char model[7];
 165 +
 166 +       at24_mem_acc = mem_acc;
 167 +
 168 +       /* Read MAC addresses */
 169 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
 170 +               memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
 171 +       }
 172 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
 173 +               memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
 174 +       }
 175 +
 176 +       /* Read the first 6 bytes of the model number */
 177 +       if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
 178 +               avila_info = avila_find_board_info(model);
 179 +       }
 180 +
 181 +}
 182 +
 183 +static struct at24_platform_data avila_eeprom_info = {
 184 +       .byte_len       = 1024,
 185 +       .page_size      = 16,
 186 +       .flags          = AT24_FLAG_READONLY,
 187 +       .setup          = at24_setup,
 188 +};
 189 +
 190 +static struct i2c_board_info __initdata avila_i2c_board_info[] = {
 191 +       {
 192 +               I2C_BOARD_INFO("ds1672", 0x68),
 193 +       },
 194 +       {
 195 +               I2C_BOARD_INFO("ad7418", 0x28),
 196 +       },
 197 +       {
 198 +               I2C_BOARD_INFO("24c08", 0x51),
 199 +               .platform_data  = &avila_eeprom_info
 200 +       },
 201 +};
 202 +
 203  static void __init avila_init(void)
 204  {
 205         ixp4xx_sys_init();
 206
 207 +       /*
 208 +        * These devices are present on all Avila models and don't need any
 209 +        * model specific setup.
 210 +        */
 211         avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 212         avila_flash_resource.end =
 213                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 214 @@ -160,7 +337,28 @@ static void __init avila_init(void)
 215
 216         platform_device_register(&avila_pata);
 217
 218 +               i2c_register_board_info(0, avila_i2c_board_info,
 219 +                               ARRAY_SIZE(avila_i2c_board_info));
 220 +}
 221 +
 222 +static int __init avila_model_setup(void)
 223 +{
 224 +       if (!machine_is_avila())
 225 +               return 0;
 226 +
 227 +       if (avila_info) {
 228 +               printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
 229 +                                                       avila_info->model);
 230 +               avila_info->setup();
 231 +       } else {
 232 +               printk(KERN_INFO "Unknown/missing Avila model number"
 233 +                                               " -- defaults will be used\n");
 234 +               avila_gw23xx_setup();
 235 +       }
 236 +
 237 +       return 0;
 238  }
 239 +late_initcall(avila_model_setup);
 240
 241  MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 242         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */