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- /*
- * arch/arm/mach-ep93xx/include/mach/hardware.h
- */
- #ifndef __ASM_ARCH_HARDWARE_H
- #define __ASM_ARCH_HARDWARE_H
- #include <mach/platform.h>
- /*
- * The EP93xx has two external crystal oscillators. To generate the
- * required high-frequency clocks, the processor uses two phase-locked-
- * loops (PLLs) to multiply the incoming external clock signal to much
- * higher frequencies that are then divided down by programmable dividers
- * to produce the needed clocks. The PLLs operate independently of one
- * another.
- */
- #define EP93XX_EXT_CLK_RATE 14745600
- #define EP93XX_EXT_RTC_RATE 32768
- #define EP93XX_KEYTCHCLK_DIV4 (EP93XX_EXT_CLK_RATE / 4)
- #define EP93XX_KEYTCHCLK_DIV16 (EP93XX_EXT_CLK_RATE / 16)
- #endif
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