ARM: OMAP: Merge gpmc changes from N800 tree
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>
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 03595ee..5a4cc20 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -111,6 +111,13 @@
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)
diff --git a/include/asm-arm/arch-omap/gpmc.h b/include/asm-arm/arch-omap/gpmc.h
index 434672d..6a8e07f 100644
--- a/include/asm-arm/arch-omap/gpmc.h
+++ b/include/asm-arm/arch-omap/gpmc.h
@@ -81,6 +81,8 @@
};
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);