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Commit 20dbeb10 authored by Aaro Koskinen's avatar Aaro Koskinen Committed by Tony Lindgren
Browse files

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: default avatarAaro Koskinen <aaro.koskinen@nokia.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Cc: Igor Dmitriev <ext-dmitriev.igor@nokia.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 15d24e11

arch/arm/mach-omap2/sdram-nokia.c

+44 −0
Original line number Original line Diff line number Diff line
@@ -44,6 +44,27 @@ struct sdram_timings { 
	u32 tWTR;

	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[] = {

static const struct sdram_timings nokia_166mhz_timings[] = {

	{

	{

		.casl = 3,

		.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 {

static const struct {

	long rate;

	long rate;

	struct sdram_timings const *data;

	struct sdram_timings const *data;

} nokia_timings[] = {

} nokia_timings[] = {

	{ 83000000, nokia_166mhz_timings },

	{ 83000000, nokia_166mhz_timings },

	{ 97600000, nokia_97dot6mhz_timings },

	{ 166000000, nokia_166mhz_timings },

	{ 166000000, nokia_166mhz_timings },

	{ 195200000, nokia_195dot2mhz_timings },

};

};

static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1];

static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1];