Add support for AMCC Bamboo PPC440EP eval board

[platform/kernel/u-boot.git] / cpu / ppc4xx / 405gp_enet.c

diff --git a/cpu/ppc4xx/405gp_enet.c b/cpu/ppc4xx/405gp_enet.c
index 9c17e31..b60d122 100644 (file)
--- a/cpu/ppc4xx/405gp_enet.c
+++ b/cpu/ppc4xx/405gp_enet.c
@@ -166,7 +166,6 @@ static void ppc_4xx_eth_halt (struct eth_device *dev)
                failsafe--;
                if (failsafe == 0)
                        break;
-
        }
 
        /* EMAC RESET */
@@ -223,18 +222,19 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 #endif
 
        /* MAL RESET */
-        mtdcr (malmcr, MAL_CR_MMSR);
-        /* wait for reset */
-        while (mfdcr (malmcr) & MAL_CR_MMSR) {
-        };
+       mtdcr (malmcr, MAL_CR_MMSR);
+       /* wait for reset */
+       while (mfdcr (malmcr) & MAL_CR_MMSR) {
+       };
+
 #if defined(CONFIG_440_EP) || defined(CONFIG_440_GR)
        out32 (ZMII_FER, 0);
        udelay(100);
        /* set RII mode */
        out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
 #elif defined(CONFIG_440)
-        /* set RMII mode */
-        out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
+       /* set RMII mode */
+       out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
 #endif /* CONFIG_440 */
 
        /* MAL Channel RESET */
@@ -324,14 +324,11 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
                        (int) speed, (duplex == HALF) ? "HALF" : "FULL");
        }
 
-#if defined(CONFIG_440)
-       /* Errata 1.12: MAL_1 -- Disable MAL bursting */
-       if( get_pvr() == PVR_440GP_RB)
-               mtdcr (malmcr, MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
-       else
-#else
        mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
-#endif
+       /* Errata 1.12: MAL_1 -- Disable MAL bursting */
+       if (get_pvr() == PVR_440GP_RB) {
+               mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB);
+       }
 
        /* Free "old" buffers */
        if (hw_p->alloc_tx_buf)
@@ -418,6 +415,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
        reg |= dev->enetaddr[5];
 
        out32 (EMAC_IAL + hw_p->hw_addr, reg);
+
        switch (devnum) {
 #if defined(CONFIG_NET_MULTI)
        case 1:
@@ -498,7 +496,6 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
        out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
 #endif
 
-
        /* Frame gap set */
        out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);