From 20dbeb1081327aefaac7044d9908c97bf445858c Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 17 Dec 2010 15:13:46 -0800 Subject: [PATCH] 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 Cc: Eduardo Valentin Cc: Igor Dmitriev Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/sdram-nokia.c | 44 +++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm/mach-omap2/sdram-nokia.c b/arch/arm/mach-omap2/sdram-nokia.c index baf83ecdada1..14caa228bc0d 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]; -- 2.20.1