target/linux/ixp4xx/patches-2.6.26/300-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 +14,18 @@
   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 +#ifdef CONFIG_SENSORS_EEPROM
  15 +# include <linux/i2c.h>
  16 +# include <linux/eeprom.h>
  17 +#endif
  18 +
  19  #include <linux/i2c-gpio.h>
  20
  21  #include <asm/types.h>
  22 @@ -29,6 +37,13 @@
  23  #include <asm/mach/arch.h>
  24  #include <asm/mach/flash.h>
  25
  26 +struct avila_board_info {
  27 +       unsigned char   *model;
  28 +       void            (* setup)(void);
  29 +};
  30 +
  31 +static struct avila_board_info *avila_info __initdata;
  32 +
  33  static struct flash_platform_data avila_flash_data = {
  34         .map_name       = "cfi_probe",
  35         .width          = 2,
  36 @@ -163,10 +178,160 @@
  37         &avila_uart
  38  };
  39
  40 +static void __init avila_gw23xx_setup(void)
  41 +{
  42 +       platform_device_register(&avila_npeb_device);
  43 +       platform_device_register(&avila_npec_device);
  44 +}
  45 +
  46 +#ifdef CONFIG_SENSORS_EEPROM
  47 +static void __init avila_gw2342_setup(void)
  48 +{
  49 +       platform_device_register(&avila_npeb_device);
  50 +       platform_device_register(&avila_npec_device);
  51 +}
  52 +
  53 +static void __init avila_gw2345_setup(void)
  54 +{
  55 +       avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
  56 +       avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
  57 +       platform_device_register(&avila_npeb_device);
  58 +
  59 +       avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
  60 +       platform_device_register(&avila_npec_device);
  61 +}
  62 +
  63 +static void __init avila_gw2347_setup(void)
  64 +{
  65 +       platform_device_register(&avila_npeb_device);
  66 +}
  67 +
  68 +static void __init avila_gw2348_setup(void)
  69 +{
  70 +       platform_device_register(&avila_npeb_device);
  71 +       platform_device_register(&avila_npec_device);
  72 +}
  73 +
  74 +static void __init avila_gw2353_setup(void)
  75 +{
  76 +       platform_device_register(&avila_npeb_device);
  77 +}
  78 +
  79 +static void __init avila_gw2355_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 = 16;
  86 +       platform_device_register(&avila_npec_device);
  87 +}
  88 +
  89 +static void __init avila_gw2357_setup(void)
  90 +{
  91 +       platform_device_register(&avila_npeb_device);
  92 +}
  93 +
  94 +static struct avila_board_info avila_boards[] __initdata = {
  95 +       {
  96 +               .model          = "GW2342",
  97 +               .setup          = avila_gw2342_setup,
  98 +       }, {
  99 +               .model          = "GW2345",
 100 +               .setup          = avila_gw2345_setup,
 101 +       }, {
 102 +               .model          = "GW2347",
 103 +               .setup          = avila_gw2347_setup,
 104 +       }, {
 105 +               .model          = "GW2348",
 106 +               .setup          = avila_gw2348_setup,
 107 +       }, {
 108 +               .model          = "GW2353",
 109 +               .setup          = avila_gw2353_setup,
 110 +       }, {
 111 +               .model          = "GW2355",
 112 +               .setup          = avila_gw2355_setup,
 113 +       }, {
 114 +               .model          = "GW2357",
 115 +               .setup          = avila_gw2357_setup,
 116 +       }
 117 +};
 118 +
 119 +static struct avila_board_info * __init avila_find_board_info(char *model)
 120 +{
 121 +       int i;
 122 +
 123 +       for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
 124 +               struct avila_board_info *info = &avila_boards[i];
 125 +               if (strncmp(info->model, model, strlen(info->model)) == 0)
 126 +                       return info;
 127 +       }
 128 +
 129 +       return NULL;
 130 +}
 131 +
 132 +struct avila_eeprom_header {
 133 +       unsigned char mac0[ETH_ALEN];
 134 +       unsigned char mac1[ETH_ALEN];
 135 +       unsigned char res0[4];
 136 +       unsigned char magic[2];
 137 +       unsigned char config[14];
 138 +       unsigned char model[16];
 139 +};
 140 +
 141 +static int __init avila_eeprom_notify(struct notifier_block *self,
 142 +                       unsigned long event, void *t)
 143 +{
 144 +       struct eeprom_data *ee = t;
 145 +       struct avila_eeprom_header hdr;
 146 +
 147 +       if (avila_info)
 148 +               return NOTIFY_DONE;
 149 +
 150 +       /* The eeprom is at address 0x51 */
 151 +       if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
 152 +               return NOTIFY_DONE;
 153 +
 154 +       ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
 155 +                                                       0, sizeof(hdr));
 156 +
 157 +       if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
 158 +               return NOTIFY_DONE;
 159 +
 160 +       memcpy(&avila_npeb_data.hwaddr, hdr.mac0, ETH_ALEN);
 161 +       memcpy(&avila_npec_data.hwaddr, hdr.mac1, ETH_ALEN);
 162 +
 163 +       avila_info = avila_find_board_info(hdr.model);
 164 +
 165 +       return NOTIFY_OK;
 166 +}
 167 +
 168 +static struct notifier_block avila_eeprom_notifier __initdata = {
 169 +       .notifier_call = avila_eeprom_notify
 170 +};
 171 +
 172 +static void __init avila_register_eeprom_notifier(void)
 173 +{
 174 +       register_eeprom_notifier(&avila_eeprom_notifier);
 175 +}
 176 +
 177 +static void __init avila_unregister_eeprom_notifier(void)
 178 +{
 179 +       unregister_eeprom_notifier(&avila_eeprom_notifier);
 180 +}
 181 +#else /* CONFIG_SENSORS_EEPROM */
 182 +static inline void avila_register_eeprom_notifier(void) {};
 183 +static inline void avila_unregister_eeprom_notifier(void) {};
 184 +#endif /* CONFIG_SENSORS_EEPROM */
 185 +
 186  static void __init avila_init(void)
 187  {
 188         ixp4xx_sys_init();
 189
 190 +       /*
 191 +        * These devices are present on all Avila models and don't need any
 192 +        * model specific setup.
 193 +        */
 194         avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 195         avila_flash_resource.end =
 196                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 197 @@ -184,9 +349,28 @@
 198
 199         platform_device_register(&avila_pata);
 200
 201 -       platform_device_register(avila_npeb_device);
 202 -       platform_device_register(avila_npec_device);
 203 +       avila_register_eeprom_notifier();
 204 +}
 205 +
 206 +static int __init avila_model_setup(void)
 207 +{
 208 +       if (!machine_is_avila())
 209 +               return 0;
 210 +
 211 +       if (avila_info) {
 212 +               printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
 213 +                                                       avila_info->model);
 214 +               avila_info->setup();
 215 +       } else {
 216 +               printk(KERN_INFO "Unknown/missing Avila model number"
 217 +                                               " -- defaults will be used\n");
 218 +               avila_gw23xx_setup();
 219 +       }
 220 +
 221 +       avila_unregister_eeprom_notifier();
 222 +       return 0;
 223  }
 224 +late_initcall(avila_model_setup);
 225
 226  MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 227         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */