Tulip hangs on vrc5477 in pre 3.0 revisions.

no multiple read, nor bursting size of 4 or more.  submitted by Tak Ota.

Jun

/opt/hardhat/devkit/lsp/nec-ddb5477/linux-2.4.2_hhl20/drivers/net/tulip/tulip_core.c
Fri Jul 13 18:24:24 2001
--- /home/ota/linux-2.4.2_hhl20_evt/drivers/net/tulip/tulip_core.c      Mon Oct  1
12:42:14 2001
***************
*** 84,89 ****
--- 84,92 ----
  static int csr0 = 0x01A00000 | 0x9000;
  #elif defined(__arm__) || defined(__sh__)
  static int csr0 = 0x01A00000 | 0x4800;
+ #elif defined(CONFIG_EVT)
+ /* Sony EVT design with Vrc5477 Rev 1.0 cannot sustain with burst length more
than 2. */
+ static int csr0 = 0x00000000 | 0x4200;
  #else
  #warning Processor architecture undefined!
  static int csr0 = 0x00A00000 | 0x4800;
***************
*** 1269,1274 ****
--- 1272,1287 ----
           The addresses of the subsequent ports are derived from the first.
           Many PCI BIOSes also incorrectly report the IRQ line, so we correct
           that here as well. */
+ #if defined(CONFIG_EVT)
+         if(PCI_SLOT(pdev->devfn) == 7) {
+           printk(" EVT MAC");
+           for(i = 0; i < 6; i += 2) {
+             dev->dev_addr[i] = ee_data[i + 1];
+             dev->dev_addr[i + 1] = ee_data[i];
+           }
+           tp->flags &= ~HAS_MEDIA_TABLE;
+         }
+ #else /* CONFIG_EVT */
        if (sum == 0  || sum == 6*0xff) {
                printk(" EEPROM not present,");
                for (i = 0; i < 5; i++)
***************
*** 1297,1302 ****
--- 1310,1316 ----
                }
  #endif
        }
+ #endif /* CONFIG_EVT */
  
        for (i = 0; i < 6; i++)
                printk("%c%2.2X", i ? ':' : ' ', last_phys_addr[i] =
dev->dev_addr[i]);