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ARM: OMAP: Merge gpmc changes from N800 tree

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This patch merges gpmc changes from N800 tree
and adds gpmc_get_fclk_period() to gpmc.h.

Signed-off-by: Kai Svahn <kai.svahn@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Kai Svahn 2007-01-26 12:29:40 -08:00 committed by Tony Lindgren
parent c1ed6407cd
commit 2330059794
2 changed files with 9 additions and 0 deletions
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7
arch/arm/mach-omap2/gpmc.c
View file

@ -111,6 +111,13 @@ unsigned int gpmc_ns_to_ticks(unsigned int time_ns)
return (time_ns * 1000 + tick_ps - 1) / tick_ps;
}
unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns)
{
unsigned long ticks = gpmc_ns_to_ticks(time_ns);
return ticks * gpmc_get_fclk_period() / 1000;
}
#ifdef DEBUG
static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit,
int time, const char *name)

2
include/asm-arm/arch-omap/gpmc.h
View file

@ -81,6 +81,8 @@ struct gpmc_timings {
};
extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns);
extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns);
extern unsigned long gpmc_get_fclk_period(void);
extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
extern u32 gpmc_cs_read_reg(int cs, int idx);