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authorIgor Dmitriev <ext-dmitriev.igor@nokia.com>2011-12-13 13:48:54 -0500
committerTony Lindgren <tony@atomide.com>2011-12-13 13:48:54 -0500
commitef211dc626beb47fc11d4aba27a8c1b20a4b3b4a (patch)
tree9f83f334682dd52664a05809d90ea6af693c35cf
parent3dad5356aa47097cf67027cf0a07298b4f5baef6 (diff)
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>
-rw-r--r--arch/arm/mach-omap2/sdram-nokia.c25
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 @@
1/* 1/*
2 * SDRC register values for Nokia boards 2 * SDRC register values for Nokia boards
3 * 3 *
4 * Copyright (C) 2008, 2010 Nokia Corporation 4 * Copyright (C) 2008, 2010-2011 Nokia Corporation
5 * 5 *
6 * Lauri Leukkunen <lauri.leukkunen@nokia.com> 6 * Lauri Leukkunen <lauri.leukkunen@nokia.com>
7 * 7 *
@@ -107,14 +107,37 @@ static const struct sdram_timings nokia_195dot2mhz_timings[] = {
107 }, 107 },
108}; 108};
109 109
110static const struct sdram_timings nokia_200mhz_timings[] = {
111 {
112 .casl = 3,
113 .tDAL = 30000,
114 .tDPL = 15000,
115 .tRRD = 10000,
116 .tRCD = 20000,
117 .tRP = 15000,
118 .tRAS = 40000,
119 .tRC = 55000,
120 .tRFC = 140000,
121 .tXSR = 200000,
122
123 .tREF = 7800,
124
125 .tXP = 2,
126 .tCKE = 4,
127 .tWTR = 2
128 },
129};
130
110static const struct { 131static const struct {
111 long rate; 132 long rate;
112 struct sdram_timings const *data; 133 struct sdram_timings const *data;
113} nokia_timings[] = { 134} nokia_timings[] = {
114 { 83000000, nokia_166mhz_timings }, 135 { 83000000, nokia_166mhz_timings },
115 { 97600000, nokia_97dot6mhz_timings }, 136 { 97600000, nokia_97dot6mhz_timings },
137 { 100000000, nokia_200mhz_timings },
116 { 166000000, nokia_166mhz_timings }, 138 { 166000000, nokia_166mhz_timings },
117 { 195200000, nokia_195dot2mhz_timings }, 139 { 195200000, nokia_195dot2mhz_timings },
140 { 200000000, nokia_200mhz_timings },
118}; 141};
119static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1]; 142static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1];
120 143