[U-Boot] [PATCH] board/bsc9131rdb: Update IFC timings for NAND flash
Prabhakar Kushwaha
prabhakar at freescale.com
Tue Sep 10 13:13:21 CEST 2013
Current IFC timings for NAND flash are too strict.
Relaxing it to support existing K9F1G08U0B and new K9F1G08U0D flash
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
---
include/configs/BSC9131RDB.h | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/include/configs/BSC9131RDB.h b/include/configs/BSC9131RDB.h
index 948394e..1d06c50 100644
--- a/include/configs/BSC9131RDB.h
+++ b/include/configs/BSC9131RDB.h
@@ -181,18 +181,18 @@ extern unsigned long get_sdram_size(void);
| CSOR_NAND_PB(64)) /*Pages Per Block = 64*/
/* NAND Flash Timing Params */
-#define CONFIG_SYS_NAND_FTIM0 (FTIM0_NAND_TCCST(0x08) \
- | FTIM0_NAND_TWP(0x06) \
- | FTIM0_NAND_TWCHT(0x03) \
+#define CONFIG_SYS_NAND_FTIM0 (FTIM0_NAND_TCCST(0x03) \
+ | FTIM0_NAND_TWP(0x05) \
+ | FTIM0_NAND_TWCHT(0x02) \
| FTIM0_NAND_TWH(0x04))
-#define CONFIG_SYS_NAND_FTIM1 (FTIM1_NAND_TADLE(0x18) \
- | FTIM1_NAND_TWBE(0x23) \
- | FTIM1_NAND_TRR(0x08) \
+#define CONFIG_SYS_NAND_FTIM1 (FTIM1_NAND_TADLE(0x1C) \
+ | FTIM1_NAND_TWBE(0x1E) \
+ | FTIM1_NAND_TRR(0x07) \
| FTIM1_NAND_TRP(0x05))
#define CONFIG_SYS_NAND_FTIM2 (FTIM2_NAND_TRAD(0x08) \
| FTIM2_NAND_TREH(0x04) \
- | FTIM2_NAND_TWHRE(0x3f))
-#define CONFIG_SYS_NAND_FTIM3 FTIM3_NAND_TWW(0x22)
+ | FTIM2_NAND_TWHRE(0x11))
+#define CONFIG_SYS_NAND_FTIM3 FTIM3_NAND_TWW(0x04)
#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE }
#define CONFIG_SYS_MAX_NAND_DEVICE 1
--
1.7.9.5
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