diff options
| author | Igor Dmitriev <ext-dmitriev.igor@nokia.com> | 2011-12-13 22:48:54 +0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-12-13 22:48:54 +0400 |
| commit | ef211dc626beb47fc11d4aba27a8c1b20a4b3b4a (patch) | |
| tree | 9f83f334682dd52664a05809d90ea6af693c35cf /arch/arm/mach-omap2/sdram-nokia.c | |
| parent | 3dad5356aa47097cf67027cf0a07298b4f5baef6 (diff) | |
| download | linux-ef211dc626beb47fc11d4aba27a8c1b20a4b3b4a.tar.xz | |
ARM: OMAP3: sdram-nokia: add 200 MHz memory timings info
Add memory timing info regarding the 200 MHz memory in sdram-nokia.
Note that 100 MHz mode uses these same timings too.
Signed-off-by: Igor Dmitriev <ext-dmitriev.igor@nokia.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
[tony@atomide.com: updated comments for 100 MHz timings]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/sdram-nokia.c')
| -rw-r--r-- | arch/arm/mach-omap2/sdram-nokia.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/sdram-nokia.c b/arch/arm/mach-omap2/sdram-nokia.c index ee3a8ad304cb..7479d7ea1379 100644 --- a/arch/arm/mach-omap2/sdram-nokia.c +++ b/arch/arm/mach-omap2/sdram-nokia.c @@ -1,7 +1,7 @@ /* * SDRC register values for Nokia boards * - * Copyright (C) 2008, 2010 Nokia Corporation + * Copyright (C) 2008, 2010-2011 Nokia Corporation * * Lauri Leukkunen <lauri.leukkunen@nokia.com> * @@ -107,14 +107,37 @@ static const struct sdram_timings nokia_195dot2mhz_timings[] = { }, }; +static const struct sdram_timings nokia_200mhz_timings[] = { + { + .casl = 3, + .tDAL = 30000, + .tDPL = 15000, + .tRRD = 10000, + .tRCD = 20000, + .tRP = 15000, + .tRAS = 40000, + .tRC = 55000, + .tRFC = 140000, + .tXSR = 200000, + + .tREF = 7800, + + .tXP = 2, + .tCKE = 4, + .tWTR = 2 + }, +}; + static const struct { long rate; struct sdram_timings const *data; } nokia_timings[] = { { 83000000, nokia_166mhz_timings }, { 97600000, nokia_97dot6mhz_timings }, + { 100000000, nokia_200mhz_timings }, { 166000000, nokia_166mhz_timings }, { 195200000, nokia_195dot2mhz_timings }, + { 200000000, nokia_200mhz_timings }, }; static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1]; |