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arm: omap: sdram-nokia: use array to list timings 

Use an array to make it easier to add new values.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Aaro Koskinen 2010-12-17 15:13:45 -08:00 committed by Tony Lindgren
parent fbd208e977
commit e5f5b5422d
1 changed files with 15 additions and 6 deletions
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21
arch/arm/mach-omap2/sdram-nokia.c
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@ -44,8 +44,6 @@ struct sdram_timings {
u32 tWTR; u32 tWTR;
}; };
static struct omap_sdrc_params nokia_sdrc_params[4];
static const struct sdram_timings nokia_166mhz_timings[] = { static const struct sdram_timings nokia_166mhz_timings[] = {
{ {
.casl = 3, .casl = 3,
@ -67,6 +65,16 @@ static const struct sdram_timings nokia_166mhz_timings[] = {
}, },
}; };
static const struct {
long rate;
struct sdram_timings const *data;
} nokia_timings[] = {
{ 41500000, nokia_166mhz_timings },
{ 83000000, nokia_166mhz_timings },
{ 166000000, nokia_166mhz_timings },
};
static struct omap_sdrc_params nokia_sdrc_params[ARRAY_SIZE(nokia_timings) + 1];
static unsigned long sdrc_get_fclk_period(long rate) static unsigned long sdrc_get_fclk_period(long rate)
{ {
/* In picoseconds */ /* In picoseconds */
@ -212,11 +220,12 @@ static int sdrc_timings(int id, long rate,
struct omap_sdrc_params *nokia_get_sdram_timings(void) struct omap_sdrc_params *nokia_get_sdram_timings(void)
{ {
int err; int err = 0;
int i;
err = sdrc_timings(0, 41500000, nokia_166mhz_timings); for (i = 0; i < ARRAY_SIZE(nokia_timings); i++)
err |= sdrc_timings(1, 83000000, nokia_166mhz_timings); err |= sdrc_timings(i, nokia_timings[i].rate,
err |= sdrc_timings(2, 166000000, nokia_166mhz_timings); nokia_timings[i].data);
return &nokia_sdrc_params[0]; return &nokia_sdrc_params[0];
} }