Merge ../u-boot

[oweals/u-boot.git] / drivers / dm9000x.c

diff --git a/drivers/dm9000x.c b/drivers/dm9000x.c
index 0e475d47237e1f167acb42f1e01ee4895ef69b3b..6131b5c35708c107219310e52dfeae7df20f782a 100644 (file)
--- a/drivers/dm9000x.c
+++ b/drivers/dm9000x.c
@@ -99,7 +99,7 @@ void eth_halt(void);
 static int dm9000_probe(void);
 static u16 phy_read(int);
 static void phy_write(int, u16);
-static u16 read_srom_word(int);
+u16 read_srom_word(int);
 static u8 DM9000_ior(int);
 static void DM9000_iow(int reg, u8 value);
 
@@ -302,6 +302,21 @@ eth_init(bd_t * bd)
        /* Set Node address */
        for (i = 0; i < 6; i++)
                ((u16 *) bd->bi_enetaddr)[i] = read_srom_word(i);
+
+       if (is_zero_ether_addr(bd->bi_enetaddr) ||
+           is_multicast_ether_addr(bd->bi_enetaddr)) {
+               /* try reading from environment */
+               u8 i;
+               char *s, *e;
+               s = getenv ("ethaddr");
+               for (i = 0; i < 6; ++i) {
+                       bd->bi_enetaddr[i] = s ?
+                               simple_strtoul (s, &e, 16) : 0;
+                       if (s)
+                               s = (*e) ? e + 1 : e;
+               }
+       }
+
        printf("MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", bd->bi_enetaddr[0],
               bd->bi_enetaddr[1], bd->bi_enetaddr[2], bd->bi_enetaddr[3],
               bd->bi_enetaddr[4], bd->bi_enetaddr[5]);
@@ -436,6 +451,9 @@ eth_rx(void)
        u8 rxbyte, *rdptr = (u8 *) NetRxPackets[0];
        u16 RxStatus, RxLen = 0;
        u32 tmplen, i;
+#ifdef CONFIG_DM9000_USE_32BIT
+       u32 tmpdata;
+#endif
 
        /* Check packet ready or not */
        DM9000_ior(DM9000_MRCMDX);      /* Dummy read */
@@ -519,16 +537,28 @@ eth_rx(void)
 /*
   Read a word data from SROM
 */
-static u16
+u16
 read_srom_word(int offset)
 {
        DM9000_iow(DM9000_EPAR, offset);
        DM9000_iow(DM9000_EPCR, 0x4);
-       udelay(200);
+       udelay(8000);
        DM9000_iow(DM9000_EPCR, 0x0);
        return (DM9000_ior(DM9000_EPDRL) + (DM9000_ior(DM9000_EPDRH) << 8));
 }
 
+void
+write_srom_word(int offset, u16 val)
+{
+       DM9000_iow(DM9000_EPAR, offset);
+       DM9000_iow(DM9000_EPDRH, ((val >> 8) & 0xff));
+       DM9000_iow(DM9000_EPDRL, (val & 0xff));
+       DM9000_iow(DM9000_EPCR, 0x12);
+       udelay(8000);
+       DM9000_iow(DM9000_EPCR, 0);
+}
+
+
 /*
    Read a byte from I/O port
 */