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mpc83xx: Fix the bug of 266MHz data rate DDR

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The DDR doesn't work on the 266MHz data rate,
the patch fix the bug.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Dave Liu 2008-01-10 23:09:33 +08:00 committed by Kim Phillips
parent ded08317ad
commit 061aad4d32
1 changed files with 3 additions and 3 deletions
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6
cpu/mpc83xx/spd_sdram.c
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@ -574,9 +574,9 @@ long int spd_sdram()
*/
cpo = 0;
if (spd.mem_type == SPD_MEMTYPE_DDR2) {
if (effective_data_rate == 266 || effective_data_rate == 333) {
cpo = 0x7; /* READ_LAT + 5/4 */
} else if (effective_data_rate == 400) {
if (effective_data_rate == 266) {
cpo = 0x4; /* READ_LAT + 1/2 */
} else if (effective_data_rate == 333 || effective_data_rate == 400) {
cpo = 0x7; /* READ_LAT + 5/4 */
} else {
/* Automatic calibration */