target/linux/brcm47xx/patches-2.6.32/700-ssb-gigabit-ethernet-driver.patch

   1 --- a/drivers/net/tg3.c
   2 +++ b/drivers/net/tg3.c
   3 @@ -41,6 +41,7 @@
   4  #include <linux/prefetch.h>
   5  #include <linux/dma-mapping.h>
   6  #include <linux/firmware.h>
   7 +#include <linux/ssb/ssb_driver_gige.h>
   8
   9  #include <net/checksum.h>
  10  #include <net/ip.h>
  11 @@ -457,8 +458,9 @@ static void _tw32_flush(struct tg3 *tp,
  12  static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
  13  {
  14         tp->write32_mbox(tp, off, val);
  15 -       if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  16 -           !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  17 +       if ((tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) ||
  18 +           (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  19 +            !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND)))
  20                 tp->read32_mbox(tp, off);
  21  }
  22
  23 @@ -468,7 +470,7 @@ static void tg3_write32_tx_mbox(struct t
  24         writel(val, mbox);
  25         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  26                 writel(val, mbox);
  27 -       if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  28 +       if ((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) || (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES))
  29                 readl(mbox);
  30  }
  31
  32 @@ -768,7 +770,7 @@ static void tg3_switch_clocks(struct tg3
  33
  34  #define PHY_BUSY_LOOPS 5000
  35
  36 -static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  37 +static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 *val)
  38  {
  39         u32 frame_val;
  40         unsigned int loops;
  41 @@ -817,7 +819,12 @@ static int tg3_readphy(struct tg3 *tp, i
  42         return ret;
  43  }
  44
  45 -static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  46 +static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  47 +{
  48 +       return __tg3_readphy(tp, PHY_ADDR, reg, val);
  49 +}
  50 +
  51 +static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 val)
  52  {
  53         u32 frame_val;
  54         unsigned int loops;
  55 @@ -866,6 +873,11 @@ static int tg3_writephy(struct tg3 *tp,
  56         return ret;
  57  }
  58
  59 +static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  60 +{
  61 +       return __tg3_writephy(tp, PHY_ADDR, reg, val);
  62 +}
  63 +
  64  static int tg3_bmcr_reset(struct tg3 *tp)
  65  {
  66         u32 phy_control;
  67 @@ -2337,6 +2349,9 @@ static int tg3_nvram_read(struct tg3 *tp
  68  {
  69         int ret;
  70
  71 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
  72 +               return -ENODEV;
  73 +
  74         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  75                 return tg3_nvram_read_using_eeprom(tp, offset, val);
  76
  77 @@ -2668,8 +2683,10 @@ static int tg3_set_power_state(struct tg
  78         tg3_frob_aux_power(tp);
  79
  80         /* Workaround for unstable PLL clock */
  81 -       if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  82 -           (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  83 +       if ((tp->phy_id & PHY_ID_MASK) != PHY_ID_BCM5750_2 &&
  84 +                               /* !!! FIXME !!! */
  85 +           ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  86 +           (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX))) {
  87                 u32 val = tr32(0x7d00);
  88
  89                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  90 @@ -3161,6 +3178,14 @@ relink:
  91
  92                 tg3_phy_copper_begin(tp);
  93
  94 +               if (tp->tg3_flags3 & TG3_FLG3_ROBOSWITCH) {
  95 +                       current_link_up = 1;
  96 +                       current_speed = SPEED_1000; //FIXME
  97 +                       current_duplex = DUPLEX_FULL;
  98 +                       tp->link_config.active_speed = current_speed;
  99 +                       tp->link_config.active_duplex = current_duplex;
 100 +               }
 101 +
 102                 tg3_readphy(tp, MII_BMSR, &tmp);
 103                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
 104                     (tmp & BMSR_LSTATUS))
 105 @@ -6264,6 +6289,11 @@ static int tg3_poll_fw(struct tg3 *tp)
 106         int i;
 107         u32 val;
 108
 109 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 110 +               /* We don't use firmware. */
 111 +               return 0;
 112 +       }
 113 +
 114         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
 115                 /* Wait up to 20ms for init done. */
 116                 for (i = 0; i < 200; i++) {
 117 @@ -6541,6 +6571,14 @@ static int tg3_chip_reset(struct tg3 *tp
 118                 tw32(0x5000, 0x400);
 119         }
 120
 121 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 122 +               /* BCM4785: In order to avoid repercussions from using potentially
 123 +                * defective internal ROM, stop the Rx RISC CPU, which is not
 124 +                * required. */
 125 +               tg3_stop_fw(tp);
 126 +               tg3_halt_cpu(tp, RX_CPU_BASE);
 127 +       }
 128 +
 129         tw32(GRC_MODE, tp->grc_mode);
 130
 131         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
 132 @@ -6695,9 +6733,12 @@ static int tg3_halt_cpu(struct tg3 *tp,
 133                 return -ENODEV;
 134         }
 135
 136 -       /* Clear firmware's nvram arbitration. */
 137 -       if (tp->tg3_flags & TG3_FLAG_NVRAM)
 138 -               tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
 139 +       if (!(tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)) {
 140 +               /* Clear firmware's nvram arbitration. */
 141 +               if (tp->tg3_flags & TG3_FLAG_NVRAM)
 142 +                       tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
 143 +       }
 144 +
 145         return 0;
 146  }
 147
 148 @@ -6760,6 +6801,11 @@ static int tg3_load_5701_a0_firmware_fix
 149         const __be32 *fw_data;
 150         int err, i;
 151
 152 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 153 +               /* We don't use firmware. */
 154 +               return 0;
 155 +       }
 156 +
 157         fw_data = (void *)tp->fw->data;
 158
 159         /* Firmware blob starts with version numbers, followed by
 160 @@ -6819,6 +6865,11 @@ static int tg3_load_tso_firmware(struct
 161         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
 162         int err, i;
 163
 164 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 165 +               /* We don't use firmware. */
 166 +               return 0;
 167 +       }
 168 +
 169         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
 170                 return 0;
 171
 172 @@ -7906,6 +7957,11 @@ static void tg3_timer(unsigned long __op
 173
 174         spin_lock(&tp->lock);
 175
 176 +       if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
 177 +               /* BCM4785: Flush posted writes from GbE to host memory. */
 178 +               tr32(HOSTCC_MODE);
 179 +       }
 180 +
 181         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
 182                 /* All of this garbage is because when using non-tagged
 183                  * IRQ status the mailbox/status_block protocol the chip
 184 @@ -9791,6 +9847,11 @@ static int tg3_test_nvram(struct tg3 *tp
 185         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
 186                 return 0;
 187
 188 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 189 +               /* We don't have NVRAM. */
 190 +               return 0;
 191 +       }
 192 +
 193         if (tg3_nvram_read(tp, 0, &magic) != 0)
 194                 return -EIO;
 195
 196 @@ -10585,7 +10646,7 @@ static int tg3_ioctl(struct net_device *
 197                         return -EAGAIN;
 198
 199                 spin_lock_bh(&tp->lock);
 200 -               err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
 201 +               err = __tg3_readphy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, &mii_regval);
 202                 spin_unlock_bh(&tp->lock);
 203
 204                 data->val_out = mii_regval;
 205 @@ -10601,7 +10662,7 @@ static int tg3_ioctl(struct net_device *
 206                         return -EAGAIN;
 207
 208                 spin_lock_bh(&tp->lock);
 209 -               err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
 210 +               err = __tg3_writephy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
 211                 spin_unlock_bh(&tp->lock);
 212
 213                 return err;
 214 @@ -11246,6 +11307,12 @@ static void __devinit tg3_get_5717_nvram
 215  /* Chips other than 5700/5701 use the NVRAM for fetching info. */
 216  static void __devinit tg3_nvram_init(struct tg3 *tp)
 217  {
 218 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
 219 +               /* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
 220 +               tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
 221 +               return;
 222 +       }
 223 +
 224         tw32_f(GRC_EEPROM_ADDR,
 225              (EEPROM_ADDR_FSM_RESET |
 226               (EEPROM_DEFAULT_CLOCK_PERIOD <<
 227 @@ -11506,6 +11573,9 @@ static int tg3_nvram_write_block(struct
 228  {
 229         int ret;
 230
 231 +       if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
 232 +               return -ENODEV;
 233 +
 234         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
 235                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
 236                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
 237 @@ -12788,6 +12858,11 @@ static int __devinit tg3_get_invariants(
 238               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
 239                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
 240
 241 +       if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
 242 +               tp->write32_tx_mbox = tg3_write_flush_reg32;
 243 +               tp->write32_rx_mbox = tg3_write_flush_reg32;
 244 +       }
 245 +
 246         /* Get eeprom hw config before calling tg3_set_power_state().
 247          * In particular, the TG3_FLG2_IS_NIC flag must be
 248          * determined before calling tg3_set_power_state() so that
 249 @@ -13177,6 +13252,10 @@ static int __devinit tg3_get_device_addr
 250         }
 251
 252         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
 253 +               if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
 254 +                       ssb_gige_get_macaddr(tp->pdev, &dev->dev_addr[0]);
 255 +       }
 256 +       if (!is_valid_ether_addr(&dev->dev_addr[0])) {
 257  #ifdef CONFIG_SPARC
 258                 if (!tg3_get_default_macaddr_sparc(tp))
 259                         return 0;
 260 @@ -13669,6 +13748,7 @@ static char * __devinit tg3_phy_string(s
 261         case PHY_ID_BCM5704:    return "5704";
 262         case PHY_ID_BCM5705:    return "5705";
 263         case PHY_ID_BCM5750:    return "5750";
 264 +       case PHY_ID_BCM5750_2:  return "5750-2";
 265         case PHY_ID_BCM5752:    return "5752";
 266         case PHY_ID_BCM5714:    return "5714";
 267         case PHY_ID_BCM5780:    return "5780";
 268 @@ -13880,6 +13960,13 @@ static int __devinit tg3_init_one(struct
 269                 tp->msg_enable = tg3_debug;
 270         else
 271                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
 272 +       if (pdev_is_ssb_gige_core(pdev)) {
 273 +               tp->tg3_flags3 |= TG3_FLG3_IS_SSB_CORE;
 274 +               if (ssb_gige_must_flush_posted_writes(pdev))
 275 +                       tp->tg3_flags3 |= TG3_FLG3_FLUSH_POSTED_WRITES;
 276 +               if (ssb_gige_have_roboswitch(pdev))
 277 +                       tp->tg3_flags3 |= TG3_FLG3_ROBOSWITCH;
 278 +       }
 279
 280         /* The word/byte swap controls here control register access byte
 281          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
 282 --- a/drivers/net/tg3.h
 283 +++ b/drivers/net/tg3.h
 284 @@ -1939,6 +1939,9 @@
 285  #define  NIC_SRAM_RGMII_STD_IBND_DISABLE 0x00000004
 286  #define  NIC_SRAM_RGMII_EXT_IBND_RX_EN  0x00000008
 287  #define  NIC_SRAM_RGMII_EXT_IBND_TX_EN  0x00000010
 288 +#define TG3_FLG3_IS_SSB_CORE           0x00000800
 289 +#define TG3_FLG3_FLUSH_POSTED_WRITES   0x00001000
 290 +#define TG3_FLG3_ROBOSWITCH            0x00002000
 291
 292  #define NIC_SRAM_RX_MINI_BUFFER_DESC   0x00001000
 293
 294 @@ -2821,6 +2824,7 @@ struct tg3 {
 295  #define PHY_ID_BCM5714                 0x60008340
 296  #define PHY_ID_BCM5780                 0x60008350
 297  #define PHY_ID_BCM5755                 0xbc050cc0
 298 +#define PHY_ID_BCM5750_2               0xbc050cd0
 299  #define PHY_ID_BCM5787                 0xbc050ce0
 300  #define PHY_ID_BCM5756                 0xbc050ed0
 301  #define PHY_ID_BCM5784                 0xbc050fa0
 302 @@ -2865,7 +2869,7 @@ struct tg3 {
 303          (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
 304          (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
 305          (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \
 306 -        (X) == PHY_ID_BCM8002)
 307 +        (X) == PHY_ID_BCM8002 || (X) == PHY_ID_BCM5750_2)
 308
 309         struct tg3_hw_stats             *hw_stats;
 310         dma_addr_t                      stats_mapping;