diff options
author | Igor Dmitriev <ext-dmitriev.igor@nokia.com> | 2011-12-13 13:48:54 -0500 |
---|---|---|
committer | Tony Lindgren <tony@atomide.com> | 2011-12-13 13:48:54 -0500 |
commit | ef211dc626beb47fc11d4aba27a8c1b20a4b3b4a (patch) | |
tree | 9f83f334682dd52664a05809d90ea6af693c35cf | |
parent | 3dad5356aa47097cf67027cf0a07298b4f5baef6 (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.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 @@ | |||
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 | ||
110 | static 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 | |||
110 | static const struct { | 131 | static 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 | }; |
119 | static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1]; | 142 | static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1]; |
120 | 143 | ||