Set edge conditioning circuitry on PPC405GPr for compatibility to existing PPC405GP designs.
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 52d4650..9bf180f 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -124,6 +124,7 @@
bd_t *bd = gd->bd;
unsigned long reg;
+ uint pvr = get_pvr();
/*
* Write Ethernetaddress into on-chip register
@@ -143,6 +144,15 @@
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);
}