target/linux/ixp4xx/patches-2.6.33/300-avila_fetch_mac.patch

   1 --- a/arch/arm/mach-ixp4xx/avila-setup.c
   2 +++ b/arch/arm/mach-ixp4xx/avila-setup.c
   3 @@ -14,10 +14,16 @@
   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/slab.h>
  14 +#include <linux/i2c.h>
  15 +#include <linux/i2c/at24.h>
  16 +
  17  #include <linux/i2c-gpio.h>
  18  #include <asm/types.h>
  19  #include <asm/setup.h>
  20 @@ -31,6 +37,13 @@
  21  #define AVILA_SDA_PIN  7
  22  #define AVILA_SCL_PIN  6
  23
  24 +struct avila_board_info {
  25 +       unsigned char   *model;
  26 +       void            (*setup)(void);
  27 +};
  28 +
  29 +static struct avila_board_info *avila_info __initdata;
  30 +
  31  static struct flash_platform_data avila_flash_data = {
  32         .map_name       = "cfi_probe",
  33         .width          = 2,
  34 @@ -134,16 +147,181 @@ static struct platform_device avila_pata
  35         .resource               = avila_pata_resources,
  36  };
  37
  38 +/* Built-in 10/100 Ethernet MAC interfaces */
  39 +static struct eth_plat_info avila_npeb_data = {
  40 +       .phy            = 0,
  41 +       .rxq            = 3,
  42 +       .txreadyq       = 20,
  43 +};
  44 +
  45 +static struct eth_plat_info avila_npec_data = {
  46 +       .phy            = 1,
  47 +       .rxq            = 4,
  48 +       .txreadyq       = 21,
  49 +};
  50 +
  51 +static struct platform_device avila_npeb_device = {
  52 +       .name                   = "ixp4xx_eth",
  53 +       .id                     = IXP4XX_ETH_NPEB,
  54 +       .dev.platform_data      = &avila_npeb_data,
  55 +};
  56 +
  57 +static struct platform_device avila_npec_device = {
  58 +       .name                   = "ixp4xx_eth",
  59 +       .id                     = IXP4XX_ETH_NPEC,
  60 +       .dev.platform_data      = &avila_npec_data,
  61 +};
  62 +
  63  static struct platform_device *avila_devices[] __initdata = {
  64         &avila_i2c_gpio,
  65         &avila_flash,
  66         &avila_uart
  67  };
  68
  69 +static void __init avila_gw23xx_setup(void)
  70 +{
  71 +       platform_device_register(&avila_npeb_device);
  72 +       platform_device_register(&avila_npec_device);
  73 +}
  74 +
  75 +static void __init avila_gw2342_setup(void)
  76 +{
  77 +       platform_device_register(&avila_npeb_device);
  78 +       platform_device_register(&avila_npec_device);
  79 +}
  80 +
  81 +static void __init avila_gw2345_setup(void)
  82 +{
  83 +       avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
  84 +       avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
  85 +       platform_device_register(&avila_npeb_device);
  86 +
  87 +       avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
  88 +       platform_device_register(&avila_npec_device);
  89 +}
  90 +
  91 +static void __init avila_gw2347_setup(void)
  92 +{
  93 +       platform_device_register(&avila_npeb_device);
  94 +}
  95 +
  96 +static void __init avila_gw2348_setup(void)
  97 +{
  98 +       platform_device_register(&avila_npeb_device);
  99 +       platform_device_register(&avila_npec_device);
 100 +}
 101 +
 102 +static void __init avila_gw2353_setup(void)
 103 +{
 104 +       platform_device_register(&avila_npeb_device);
 105 +}
 106 +
 107 +static void __init avila_gw2355_setup(void)
 108 +{
 109 +       avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
 110 +       avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
 111 +       platform_device_register(&avila_npeb_device);
 112 +
 113 +       avila_npec_data.phy = 16;
 114 +       platform_device_register(&avila_npec_device);
 115 +}
 116 +
 117 +static void __init avila_gw2357_setup(void)
 118 +{
 119 +       platform_device_register(&avila_npeb_device);
 120 +}
 121 +
 122 +static struct avila_board_info avila_boards[] __initdata = {
 123 +       {
 124 +               .model          = "GW2342",
 125 +               .setup          = avila_gw2342_setup,
 126 +       }, {
 127 +               .model          = "GW2345",
 128 +               .setup          = avila_gw2345_setup,
 129 +       }, {
 130 +               .model          = "GW2347",
 131 +               .setup          = avila_gw2347_setup,
 132 +       }, {
 133 +               .model          = "GW2348",
 134 +               .setup          = avila_gw2348_setup,
 135 +       }, {
 136 +               .model          = "GW2353",
 137 +               .setup          = avila_gw2353_setup,
 138 +       }, {
 139 +               .model          = "GW2355",
 140 +               .setup          = avila_gw2355_setup,
 141 +       }, {
 142 +               .model          = "GW2357",
 143 +               .setup          = avila_gw2357_setup,
 144 +       }
 145 +};
 146 +
 147 +static struct avila_board_info * __init avila_find_board_info(char *model)
 148 +{
 149 +       int i;
 150 +       model[6] = '\0';
 151 +
 152 +       for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
 153 +               struct avila_board_info *info = &avila_boards[i];
 154 +               if (strcmp(info->model, model) == 0)
 155 +                       return info;
 156 +       }
 157 +
 158 +       return NULL;
 159 +}
 160 +
 161 +static struct memory_accessor *at24_mem_acc;
 162 +
 163 +static void at24_setup(struct memory_accessor *mem_acc, void *context)
 164 +{
 165 +       char mac_addr[ETH_ALEN];
 166 +       char model[7];
 167 +
 168 +       at24_mem_acc = mem_acc;
 169 +
 170 +       /* Read MAC addresses */
 171 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
 172 +               memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
 173 +       }
 174 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
 175 +               memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
 176 +       }
 177 +
 178 +       /* Read the first 6 bytes of the model number */
 179 +       if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
 180 +               avila_info = avila_find_board_info(model);
 181 +       }
 182 +
 183 +}
 184 +
 185 +static struct at24_platform_data avila_eeprom_info = {
 186 +       .byte_len       = 1024,
 187 +       .page_size      = 16,
 188 +       .flags          = AT24_FLAG_READONLY,
 189 +       .setup          = at24_setup,
 190 +};
 191 +
 192 +static struct i2c_board_info __initdata avila_i2c_board_info[] = {
 193 +       {
 194 +               I2C_BOARD_INFO("ds1672", 0x68),
 195 +       },
 196 +       {
 197 +               I2C_BOARD_INFO("ad7418", 0x28),
 198 +       },
 199 +       {
 200 +               I2C_BOARD_INFO("24c08", 0x51),
 201 +               .platform_data  = &avila_eeprom_info
 202 +       },
 203 +};
 204 +
 205  static void __init avila_init(void)
 206  {
 207         ixp4xx_sys_init();
 208
 209 +       /*
 210 +        * These devices are present on all Avila models and don't need any
 211 +        * model specific setup.
 212 +        */
 213         avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 214         avila_flash_resource.end =
 215                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 216 @@ -161,7 +339,28 @@ static void __init avila_init(void)
 217
 218         platform_device_register(&avila_pata);
 219
 220 +               i2c_register_board_info(0, avila_i2c_board_info,
 221 +                               ARRAY_SIZE(avila_i2c_board_info));
 222 +}
 223 +
 224 +static int __init avila_model_setup(void)
 225 +{
 226 +       if (!machine_is_avila())
 227 +               return 0;
 228 +
 229 +       if (avila_info) {
 230 +               printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
 231 +                                                       avila_info->model);
 232 +               avila_info->setup();
 233 +       } else {
 234 +               printk(KERN_INFO "Unknown/missing Avila model number"
 235 +                                               " -- defaults will be used\n");
 236 +               avila_gw23xx_setup();
 237 +       }
 238 +
 239 +       return 0;
 240  }
 241 +late_initcall(avila_model_setup);
 242
 243  MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 244         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */