/* * 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