[PATCH 2/3] arm: mach-omap2: sdram-nokia: add 200 MHz memory timings info
Tony Lindgren
tony at atomide.com
Fri Dec 9 13:06:41 EST 2011
* Aaro Koskinen <aaro.koskinen at nokia.com> [111209 06:33]:
> From: Igor Dmitriev <ext-dmitriev.igor at nokia.com>
>
> Add memory timing info regarding the 200 MHz memory in sdram-nokia.
>
> Signed-off-by: Igor Dmitriev <ext-dmitriev.igor at nokia.com>
> Signed-off-by: Eduardo Valentin <eduardo.valentin at nokia.com>
> Signed-off-by: Aaro Koskinen <aaro.koskinen at nokia.com>
> ---
> 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 <lauri.leukkunen at nokia.com>
> *
> @@ -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?
> { 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
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