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-rw-r--r--board/amcc/yucca/yucca.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c
index 7316c34..d08fcf3 100644
--- a/board/amcc/yucca/yucca.c
+++ b/board/amcc/yucca/yucca.c
@@ -562,6 +562,40 @@ int checkboard (void)
return 0;
}
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+static int ppc440spe_rev_a(void)
+{
+ if ((get_pvr() == PVR_440SPe_6_RA) || (get_pvr() == PVR_440SPe_RA))
+ return 1;
+ else
+ return 0;
+}
+
+u32 ddr_wrdtr(u32 default_val) {
+ /*
+ * Yucca boards with 440SPe rev. A need a slightly different setup
+ * for the MCIF0_WRDTR register.
+ */
+ if (ppc440spe_rev_a())
+ return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_270_DEG_ADV);
+
+ return default_val;
+}
+
+u32 ddr_clktr(u32 default_val) {
+ /*
+ * Yucca boards with 440SPe rev. A need a slightly different setup
+ * for the MCIF0_CLKTR register.
+ */
+ if (ppc440spe_rev_a())
+ return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
+
+ return default_val;
+}
+
#if defined(CFG_DRAM_TEST)
int testdram (void)
{