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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 08:22:41 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 08:22:41 +0200 |
| commit | 1a43f2012455a977397deffe35912fd3f3ce17b9 (patch) | |
| tree | 5189f337df44e7a495fbd097cd476b0380babd8c /arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h | |
| parent | e1b96ada659431669efaf3defa997abf5db68130 (diff) | |
| parent | 322a8b034003c0d46d39af85bf24fee27b902f48 (diff) | |
Merge commit 'v3.1-rc1' into imx-fixes
Diffstat (limited to 'arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h')
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h b/arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h new file mode 100644 index 000000000000..4a81b01f1e8f --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/sdhi-sh7372.h @@ -0,0 +1,21 @@ +#ifndef SDHI_SH7372_H +#define SDHI_SH7372_H + +#define SDGENCNTA 0xfe40009c + +/* The countdown of SDGENCNTA is controlled by + * ZB3D2CLK which runs at 149.5MHz. + * That is 149.5ticks/us. Approximate this as 150ticks/us. + */ +static void udelay(int us) +{ + __raw_writel(us * 150, SDGENCNTA); + while(__raw_readl(SDGENCNTA)) ; +} + +static void msleep(int ms) +{ + udelay(ms * 1000); +} + +#endif |