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mpc8377erdb: change DDR settings to those from latest bsp

PATCH New Kim Phillips 2 participants 2 messages Aug 20, 2009

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Kim Phillips

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#0 lore raw

PATCH 2/3 mpc8377erdb: change DDR settings to those from latest bsp

when using Linus' 83xx_defconfig, the mpc8377rdb would hanging at boot at either:

NET: Registered protocol family 16

or the

io scheduler cfq registered

message. Fixing up these DDR settings appears to fix the problem.

Signed-off-by Kim Phillips <[email protected]>
---
 include/configs/MPC837XERDB.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
include/configs/MPC837XERDB.h +3 -3
index b637f73..ca89b9b 100644
@@ -190,8 +190,8 @@
 				/* 0x3937d322 */
 #define CONFIG_SYS_DDR_TIMING_2	0x02984cc8
 
-#define CONFIG_SYS_DDR_INTERVAL	((1545 << SDRAM_INTERVAL_REFINT_SHIFT) \
-				| (256 << SDRAM_INTERVAL_BSTOPRE_SHIFT))
+#define CONFIG_SYS_DDR_INTERVAL	((1024 << SDRAM_INTERVAL_REFINT_SHIFT) \
+				| (0 << SDRAM_INTERVAL_BSTOPRE_SHIFT))
 				/* 0x06090100 */
 
 #if defined(CONFIG_DDR_2T_TIMING)

@@ -205,7 +205,7 @@
 				/* 0x43000000 */
 #endif
 #define CONFIG_SYS_DDR_SDRAM_CFG2	0x00001000 /* 1 posted refresh */
-#define CONFIG_SYS_DDR_MODE		((0x0440 << SDRAM_MODE_ESD_SHIFT) \
+#define CONFIG_SYS_DDR_MODE		((0x0406 << SDRAM_MODE_ESD_SHIFT) \
 				| (0x0442 << SDRAM_MODE_SD_SHIFT))
 				/* 0x04400442 */ /* DDR400 */
 #define CONFIG_SYS_DDR_MODE2		0x00000000
Signature · 1 line
1.6.4
#1 lore raw

PATCH 2/3 mpc8377erdb: change DDR settings to those from latest bsp

Quoted 7 lines · Kim Phillips

when using Linus' 83xx_defconfig, the mpc8377rdb would hanging at boot at either:

NET: Registered protocol family 16

or the

Quoted 8 lines

io scheduler cfq registered

message. Fixing up these DDR settings appears to fix the problem.

Signed-off-by Kim Phillips <[email protected]>

---
include/configs/MPC837XERDB.h | 6 +++---

1 files changed, 3 insertions(+), 3 deletions(-)

seems like a fix for v2009.08

- k