diff options
| author | Harald Welte <laforge@openmoko.org> | 2008-11-19 17:11:06 +0000 |
|---|---|---|
| committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-19 17:11:06 +0000 |
| commit | 593c39e08a0626263fe468737e02d92aab85d46b (patch) | |
| tree | d675925f582fd48d2a010eecb6ccd9e528b7752f /arch | |
| parent | d5b248f08d34926f3136c2b7b611ea1aff19d238 (diff) | |
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 <laforge@openmoko.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | 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 ba9afb870a6..302cdd95cef 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -880,14 +880,14 @@ 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, |