1 files changed, 14 insertions, 3 deletions

diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h
index 2866297310b7..349fa7cb72d5 100644
--- a/arch/arm/mach-ep93xx/include/mach/hardware.h
+++ b/arch/arm/mach-ep93xx/include/mach/hardware.h
@@ -4,12 +4,23 @@
 #ifndef __ASM_ARCH_HARDWARE_H
 #define __ASM_ARCH_HARDWARE_H
 
-#include "ep93xx-regs.h"
+#include <mach/ep93xx-regs.h>
+#include <mach/platform.h>
 
 #define pcibios_assign_all_busses()     0
 
-#include "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
 
-#include "ts72xx.h"
+#define EP93XX_KEYTCHCLK_DIV4   (EP93XX_EXT_CLK_RATE / 4)
+#define EP93XX_KEYTCHCLK_DIV16  (EP93XX_EXT_CLK_RATE / 16)
 
 #endif