[PATCH] Add support for AMCC Taishan PPC440GX eval board

[people/ms/u-boot.git] / cpu / ppc4xx / 4xx_enet.c

diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 427ea94626de37fb6f9aab3d17d765158233aaea..4f5558328a27ea8e334963ca82377814102150c5 100644 (file)
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -166,6 +166,11 @@ struct eth_device *emac0_dev = NULL;
 #define LAST_EMAC_NUM  1
 #endif
 
+/* normal boards start with EMAC0 */
+#if !defined(CONFIG_EMAC_NR_START)
+#define CONFIG_EMAC_NR_START   0
+#endif
+
 /*-----------------------------------------------------------------------------+
  * Prototypes and externals.
  *-----------------------------------------------------------------------------*/
@@ -601,6 +606,26 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
                        /* end Vitesse/Cicada errata */
                }
 #endif
+
+#if defined(CONFIG_ET1011C_PHY)
+               /*
+                * Agere ET1011c PHY needs to have an extended register whacked
+                * for RGMII mode.
+                */
+               if (((devnum == 2) || (devnum ==3)) && (4 == ethgroup)) {
+                       miiphy_read (dev->name, reg, 0x16, &reg_short);
+                       reg_short &= ~(0x7);
+                       reg_short |= 0x6;       /* RGMII DLL Delay*/
+                       miiphy_write (dev->name, reg, 0x16, reg_short);
+
+                       miiphy_read (dev->name, reg, 0x17, &reg_short);
+                       reg_short &= ~(0x40);
+                       miiphy_write (dev->name, reg, 0x17, reg_short);
+
+                       miiphy_write(dev->name, reg, 0x1c, 0x74f0);
+               }
+#endif
+
 #endif
                /* Start/Restart autonegotiation */
                phy_setup_aneg (dev->name, reg);
@@ -643,8 +668,9 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
 
        if (hw_p->print_speed) {
                hw_p->print_speed = 0;
-               printf ("ENET Speed is %d Mbps - %s duplex connection\n",
-                       (int) speed, (duplex == HALF) ? "HALF" : "FULL");
+               printf ("ENET Speed is %d Mbps - %s duplex connection (EMAC%d)\n",
+                       (int) speed, (duplex == HALF) ? "HALF" : "FULL",
+                       hw_p->devnum);
        }
 
 #if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
@@ -1493,6 +1519,8 @@ int ppc_4xx_eth_initialize (bd_t * bis)
        struct eth_device *dev;
        int eth_num = 0;
        EMAC_4XX_HW_PST hw = NULL;
+       u8 ethaddr[4 + CONFIG_EMAC_NR_START][6];
+       u32 hw_addr[4];
 
 #if defined(CONFIG_440GX)
        unsigned long pfc1;
@@ -1502,59 +1530,69 @@ int ppc_4xx_eth_initialize (bd_t * bis)
        pfc1 |= 0x01200000;
        mtsdr (sdr_pfc1, pfc1);
 #endif
-       /* set phy num and mode */
-       bis->bi_phynum[0] = CONFIG_PHY_ADDR;
-       bis->bi_phymode[0] = 0;
 
-#if defined(CONFIG_PHY1_ADDR)
-       bis->bi_phynum[1] = CONFIG_PHY1_ADDR;
-       bis->bi_phymode[1] = 0;
-#endif
-#if defined(CONFIG_440GX)
-       bis->bi_phynum[2] = CONFIG_PHY2_ADDR;
-       bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
-       bis->bi_phymode[2] = 2;
-       bis->bi_phymode[3] = 2;
-
-       ppc_4xx_eth_setup_bridge(0, bis);
-#endif
+       /* first clear all mac-addresses */
+       for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++)
+               memcpy(ethaddr[eth_num], "\0\0\0\0\0\0", 6);
 
        for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
-
-               /* See if we can actually bring up the interface, otherwise, skip it */
                switch (eth_num) {
                default:                /* fall through */
                case 0:
-                       if (memcmp (bis->bi_enetaddr, "\0\0\0\0\0\0", 6) == 0) {
-                               bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
-                               continue;
-                       }
+                       memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
+                              bis->bi_enetaddr, 6);
+                       hw_addr[eth_num] = 0x0;
                        break;
 #ifdef CONFIG_HAS_ETH1
                case 1:
-                       if (memcmp (bis->bi_enet1addr, "\0\0\0\0\0\0", 6) == 0) {
-                               bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
-                               continue;
-                       }
+                       memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
+                              bis->bi_enet1addr, 6);
+                       hw_addr[eth_num] = 0x100;
                        break;
 #endif
 #ifdef CONFIG_HAS_ETH2
                case 2:
-                       if (memcmp (bis->bi_enet2addr, "\0\0\0\0\0\0", 6) == 0) {
-                               bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
-                               continue;
-                       }
+                       memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
+                              bis->bi_enet2addr, 6);
+                       hw_addr[eth_num] = 0x400;
                        break;
 #endif
 #ifdef CONFIG_HAS_ETH3
                case 3:
-                       if (memcmp (bis->bi_enet3addr, "\0\0\0\0\0\0", 6) == 0) {
-                               bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
-                               continue;
-                       }
+                       memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
+                              bis->bi_enet3addr, 6);
+                       hw_addr[eth_num] = 0x600;
                        break;
 #endif
                }
+       }
+
+       /* set phy num and mode */
+       bis->bi_phynum[0] = CONFIG_PHY_ADDR;
+       bis->bi_phymode[0] = 0;
+
+#if defined(CONFIG_PHY1_ADDR)
+       bis->bi_phynum[1] = CONFIG_PHY1_ADDR;
+       bis->bi_phymode[1] = 0;
+#endif
+#if defined(CONFIG_440GX)
+       bis->bi_phynum[2] = CONFIG_PHY2_ADDR;
+       bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
+       bis->bi_phymode[2] = 2;
+       bis->bi_phymode[3] = 2;
+
+       ppc_4xx_eth_setup_bridge(0, bis);
+#endif
+
+       for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
+               /*
+                * See if we can actually bring up the interface,
+                * otherwise, skip it
+                */
+               if (memcmp (ethaddr[eth_num], "\0\0\0\0\0\0", 6) == 0) {
+                       bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
+                       continue;
+               }
 
                /* Allocate device structure */
                dev = (struct eth_device *) malloc (sizeof (*dev));
@@ -1576,36 +1614,12 @@ int ppc_4xx_eth_initialize (bd_t * bis)
                }
                memset(hw, 0, sizeof(*hw));
 
-               switch (eth_num) {
-               default:                /* fall through */
-               case 0:
-                       hw->hw_addr = 0;
-                       memcpy (dev->enetaddr, bis->bi_enetaddr, 6);
-                       break;
-#ifdef CONFIG_HAS_ETH1
-               case 1:
-                       hw->hw_addr = 0x100;
-                       memcpy (dev->enetaddr, bis->bi_enet1addr, 6);
-                       break;
-#endif
-#ifdef CONFIG_HAS_ETH2
-               case 2:
-                       hw->hw_addr = 0x400;
-                       memcpy (dev->enetaddr, bis->bi_enet2addr, 6);
-                       break;
-#endif
-#ifdef CONFIG_HAS_ETH3
-               case 3:
-                       hw->hw_addr = 0x600;
-                       memcpy (dev->enetaddr, bis->bi_enet3addr, 6);
-                       break;
-#endif
-               }
-
+               hw->hw_addr = hw_addr[eth_num];
+               memcpy (dev->enetaddr, ethaddr[eth_num], 6);
                hw->devnum = eth_num;
                hw->print_speed = 1;
 
-               sprintf (dev->name, "ppc_4xx_eth%d", eth_num);
+               sprintf (dev->name, "ppc_4xx_eth%d", eth_num - CONFIG_EMAC_NR_START);
                dev->priv = (void *) hw;
                dev->init = ppc_4xx_eth_init;
                dev->halt = ppc_4xx_eth_halt;
@@ -1663,7 +1677,6 @@ int ppc_4xx_eth_initialize (bd_t * bis)
        return (1);
 }
 
-
 #if !defined(CONFIG_NET_MULTI)
 void eth_halt (void) {
        if (emac0_dev) {