From e144bf41b8674bce731e1afebcd04030a85b4a5b Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 21 Oct 2008 08:13:09 +0100 Subject: [PATCH] GTA02: Improve NAND timings Rather than using conservative default timings for the NAND flash, use the timings as specified in the S3C2442B MCP data sheet. Signed-off-by: Harald Welte --- arch/arm/mach-s3c2440/mach-gta02.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 1a9d823..b1aa95b 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -872,14 +872,14 @@ static struct s3c2410_nand_set gta02_nand_sets[] = { }, }; -/* choose a set of timings which should suit most 512Mbit - * chips and beyond. +/* choose a set of timings derived from S3C@2442B MCP54 + * data sheet (K5D2G13ACM-D075 MCP Memory) */ static struct s3c2410_platform_nand gta02_nand_info = { - .tacls = 20, - .twrph0 = 60, - .twrph1 = 20, + .tacls = 0, + .twrph0 = 25, + .twrph1 = 15, .nr_sets = ARRAY_SIZE(gta02_nand_sets), .sets = gta02_nand_sets, .software_ecc = 1, -- 1.5.6.5