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-rw-r--r--cpu/mpc85xx/spd_sdram.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c
index 679f3608f7..5dc223a53e 100644
--- a/cpu/mpc85xx/spd_sdram.c
+++ b/cpu/mpc85xx/spd_sdram.c
@@ -692,13 +692,10 @@ spd_sdram(void)
*/
cpo = 0;
if (spd.mem_type == SPD_MEMTYPE_DDR2) {
- if (effective_data_rate == 266 || effective_data_rate == 333) {
+ if (effective_data_rate <= 333) {
cpo = 0x7; /* READ_LAT + 5/4 */
- } else if (effective_data_rate == 400) {
- cpo = 0x9; /* READ_LAT + 7/4 */
} else {
- /* Pure speculation */
- cpo = 0xb;
+ cpo = 0x9; /* READ_LAT + 7/4 */
}
}
@@ -905,7 +902,12 @@ spd_sdram(void)
if (spd.mem_type == SPD_MEMTYPE_DDR)
clk_adjust = 0x6;
else
+#ifdef CONFIG_MPC8568
+ /* Empirally setting clk_adjust */
+ clk_adjust = 0x6;
+#else
clk_adjust = 0x7;
+#endif
ddr->sdram_clk_cntl = (0
| 0x80000000