mirror of https://gitee.com/openkylin/linux.git
22 lines
387 B
C
22 lines
387 B
C
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#ifndef SDHI_SH7372_H
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#define SDHI_SH7372_H
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#define SDGENCNTA 0xfe40009c
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/* The countdown of SDGENCNTA is controlled by
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* ZB3D2CLK which runs at 149.5MHz.
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* That is 149.5ticks/us. Approximate this as 150ticks/us.
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*/
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static void udelay(int us)
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{
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__raw_writel(us * 150, SDGENCNTA);
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while(__raw_readl(SDGENCNTA)) ;
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}
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static void msleep(int ms)
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{
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udelay(ms * 1000);
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}
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#endif
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