Set edge conditioning circuitry on PPC405GPr for compatibility to existing PPC405GP...

diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 52d46502313cd0df100de0418d64c05ff90578c6..9bf180fcdc93a8940a6f6f00e706473fc1874eb5 100644 (file)
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -124,6 +124,7 @@ int cpu_init_r (void)
 
        bd_t *bd = gd->bd;
        unsigned long reg;
+       uint pvr = get_pvr();
 
        /*
         * Write Ethernetaddress into on-chip register
@@ -143,6 +144,15 @@ int cpu_init_r (void)
        reg = reg << 8;
        reg |= bd->bi_enetaddr[5];
        out32 (EMAC_IAL, reg);
+
+       /*
+        * Set edge conditioning circuitry on PPC405GPr
+        * for compatibility to existing PPC405GP designs.
+        */
+       if ((pvr & 0xfffffff0) == (PVR_405GPR_RA & 0xfffffff0)) {
+               mtdcr(ecr, 0x60606000);
+       }
+
 #endif  /* CONFIG_405GP */
        return (0);
 }