[U-Boot-Users] [PATCH] mpc83xx: Correct the burst length for DDR2 with 32 bits

[Dave Liu]

The burst length should be 4 for DDR2 with 32 bits bus

Signed-off-by: Dave Liu<daveliu at freescale.com>
---
 cpu/mpc83xx/spd_sdram.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c
index 647813f..5e89add 100644
--- a/cpu/mpc83xx/spd_sdram.c
+++ b/cpu/mpc83xx/spd_sdram.c
@@ -730,8 +730,12 @@ long int spd_sdram()
 		sdram_cfg |= 0x10000000;
 
 	/* The DIMM is 32bit width */
-	if (spd.dataw_lsb == 0x20)
-		sdram_cfg |= 0x000C0000;
+	if (spd.dataw_lsb == 0x20) {
+		if (spd.mem_type == SPD_MEMTYPE_DDR)
+			sdram_cfg |= 0x000C0000;
+		if (spd.mem_type == SPD_MEMTYPE_DDR2)
+			sdram_cfg |= 0x00080000;
+	}
 
 	ddrc_ecc_enable = 0;
 
-- 
1.5.3.rc2.29.gc4640f