Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ef211dc6 authored by Igor Dmitriev's avatar Igor Dmitriev Committed by Tony Lindgren
Browse files

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: default avatarIgor Dmitriev <ext-dmitriev.igor@nokia.com>
Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: default avatarAaro Koskinen <aaro.koskinen@nokia.com>
[tony@atomide.com: updated comments for 100 MHz timings]
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 3dad5356

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

+24 −1
Original line number Diff line number Diff line 
/*

 * SDRC register values for Nokia boards

 *

 * Copyright (C) 2008, 2010 Nokia Corporation

 * Copyright (C) 2008, 2010-2011 Nokia Corporation

 *

 * Lauri Leukkunen <lauri.leukkunen@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 },

	{ 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];