From 38daa27d21c975c3285933e86c556d1dc69642f9 Mon Sep 17 00:00:00 2001
From: stroese <stroese>
Date: Thu, 20 Mar 2003 15:21:50 +0000
Subject: [PATCH] Set edge conditioning circuitry on PPC405GPr for
compatibility to existing PPC405GP designs.
---
cpu/ppc4xx/cpu_init.c | 10 ++++++++++
1 file changed, 10 insertions(+)
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);
}
--
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