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| author | Aaro Koskinen <aaro.koskinen@nokia.com> | 2010-12-17 15:13:46 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-12-17 15:13:46 -0800 |
| commit | 20dbeb1081327aefaac7044d9908c97bf445858c (patch) | |
| tree | 274980d2d9d88bfbb01339173183571a921d8c43 | |
| parent | 15d24e118d51601a5cc2f021005aa7354b03b1c8 (diff) | |
| download | linux-3.10-20dbeb1081327aefaac7044d9908c97bf445858c.tar.gz linux-3.10-20dbeb1081327aefaac7044d9908c97bf445858c.tar.bz2 linux-3.10-20dbeb1081327aefaac7044d9908c97bf445858c.zip | |
arm: omap: sdram-nokia: add 97.6/195.2 MHz timing data
Introduce 97.6/195.2 MHz memory timing data. Based on patches by Eduardo
Valentin, Igor Dmitriev and Juha Keski-Saari.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Cc: Igor Dmitriev <ext-dmitriev.igor@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | arch/arm/mach-omap2/sdram-nokia.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/sdram-nokia.c b/arch/arm/mach-omap2/sdram-nokia.c index baf83ecdada..14caa228bc0 100644 --- a/arch/arm/mach-omap2/sdram-nokia.c +++ b/arch/arm/mach-omap2/sdram-nokia.c @@ -44,6 +44,27 @@ struct sdram_timings { u32 tWTR; }; +static const struct sdram_timings nokia_97dot6mhz_timings[] = { + { + .casl = 3, + .tDAL = 30725, + .tDPL = 15362, + .tRRD = 10241, + .tRCD = 20483, + .tRP = 15362, + .tRAS = 40967, + .tRC = 56330, + .tRFC = 138266, + .tXSR = 204839, + + .tREF = 7798, + + .tXP = 2, + .tCKE = 4, + .tWTR = 2, + }, +}; + static const struct sdram_timings nokia_166mhz_timings[] = { { .casl = 3, @@ -65,12 +86,35 @@ static const struct sdram_timings nokia_166mhz_timings[] = { }, }; +static const struct sdram_timings nokia_195dot2mhz_timings[] = { + { + .casl = 3, + .tDAL = 30725, + .tDPL = 15362, + .tRRD = 10241, + .tRCD = 20483, + .tRP = 15362, + .tRAS = 40967, + .tRC = 56330, + .tRFC = 138266, + .tXSR = 204839, + + .tREF = 7752, + + .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 }, { 166000000, nokia_166mhz_timings }, + { 195200000, nokia_195dot2mhz_timings }, }; static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1]; |