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authorstroese <stroese>2003-03-20 15:21:50 +0000
committerstroese <stroese>2003-03-20 15:21:50 +0000
commit38daa27d21c975c3285933e86c556d1dc69642f9 (patch)
tree61f5e150110be10fd912b7271fe5cad94bcc5cdc /cpu
parent1957dd29d980ecb197c3a6dbe4f6609dae135a1d (diff)
Set edge conditioning circuitry on PPC405GPr for compatibility to existing PPC405GP designs.
Diffstat (limited to 'cpu')
-rw-r--r--cpu/ppc4xx/cpu_init.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 52d46502313..9bf180fcdc9 100644
--- 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);
}