Hi,
On Fri, 9 Dec 2011, Tony Lindgren wrote:
* Aaro Koskinen <[email protected]> [111209 06:33]:
From: Igor Dmitriev <[email protected]>
Add memory timing info regarding the 200 MHz memory in sdram-nokia.
Signed-off-by: Igor Dmitriev <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
Signed-off-by: Aaro Koskinen <[email protected]>
---
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 14caa22..b394a0e 100644
--- a/arch/arm/mach-omap2/sdram-nokia.c
+++ b/arch/arm/mach-omap2/sdram-nokia.c
@@ -1,7 +1,7 @@
/*
* SDRC register values for Nokia boards
*
- * Copyright (C) 2008, 2010 Nokia Corporation
+ * Copyright (C) 2008, 2010-2011 Nokia Corporation
*
* Lauri Leukkunen <[email protected]>
*
@@ -107,14 +107,37 @@ static const struct sdram_timings
nokia_195dot2mhz_timings[] = {
},
};
+static const struct sdram_timings nokia_200mhz_timings[] = {
+ {
+ .casl = 3,
+ .tDAL = 30000,
+ .tDPL = 15000,
+ .tRRD = 10000,
+ .tRCD = 20000,
+ .tRP = 15000,
+ .tRAS = 40000,
+ .tRC = 55000,
+ .tRFC = 140000,
+ .tXSR = 200000,
+
+ .tREF = 7800,
+
+ .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 },
+ { 100000000, nokia_200mhz_timings },
Is that a typo above? Should it say nokia_100mhz_timings?
No, it's not a typo, same data is used. (Like 83/166 already in the table)
{ 166000000, nokia_166mhz_timings },
{ 195200000, nokia_195dot2mhz_timings },
+ { 200000000, nokia_200mhz_timings },
};
static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) +
1];
Regards,
Tony
A.
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