]> git.karo-electronics.de Git - linux-beck.git/commitdiff
arm: omap: sdram-nokia: add 97.6/195.2 MHz timing data
authorAaro Koskinen <aaro.koskinen@nokia.com>
Fri, 17 Dec 2010 23:13:46 +0000 (15:13 -0800)
committerTony Lindgren <tony@atomide.com>
Fri, 17 Dec 2010 23:13:46 +0000 (15:13 -0800)
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>
arch/arm/mach-omap2/sdram-nokia.c

index baf83ecdada1e2650d3155df00bb3101417c6316..14caa228bc0d9b38b36ecf4f43bfff47663b5bc5 100644 (file)
@@ -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];