1 files changed, 106 insertions, 0 deletions
diff --git a/arch/frv/include/asm/timer-regs.h b/arch/frv/include/asm/timer-regs.h
new file mode 100644
index 0000000..6c5a871
--- /dev/null
+++ b/arch/frv/include/asm/timer-regs.h
@@ -0,0 +1,106 @@
+/* timer-regs.h: hardware timer register definitions
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_TIMER_REGS_H
+#define _ASM_TIMER_REGS_H
+
+#include <asm/sections.h>
+
+extern unsigned long __nongprelbss __clkin_clock_speed_HZ;
+extern unsigned long __nongprelbss __ext_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __res_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __sdram_clock_speed_HZ;
+extern unsigned long __nongprelbss __core_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __core_clock_speed_HZ;
+extern unsigned long __nongprelbss __dsu_clock_speed_HZ;
+extern unsigned long __nongprelbss __serial_clock_speed_HZ;
+
+#define __get_CLKC()	({ *(volatile unsigned long *)(0xfeff9a00); })
+
+static inline void __set_CLKC(unsigned long v)
+{
+	int tmp;
+
+	asm volatile("	st%I0.p	%2,%M0		\n"
+		     "	setlos	%3,%1		\n"
+		     "	membar			\n"
+		     "0:			\n"
+		     "	subicc	%1,#1,%1,icc0	\n"
+		     "	bnc	icc0,#1,0b	\n"
+		     : "=m"(*(volatile unsigned long *) 0xfeff9a00), "=r"(tmp)
+		     : "r"(v), "i"(256)
+		     : "icc0");
+}
+
+#define __get_TCTR()	({ *(volatile unsigned long *)(0xfeff9418); })
+#define __get_TPRV()	({ *(volatile unsigned long *)(0xfeff9420); })
+#define __get_TPRCKSL()	({ *(volatile unsigned long *)(0xfeff9428); })
+#define __get_TCSR(T)	({ *(volatile unsigned long *)(0xfeff9400 + 8 * (T)); })
+#define __get_TxCKSL(T)	({ *(volatile unsigned long *)(0xfeff9430 + 8 * (T)); })
+
+#define __get_TCSR_DATA(T) ({ __get_TCSR(T) >> 24; })
+
+#define __set_TCTR(V)	do { *(volatile unsigned long *)(0xfeff9418) = (V); mb(); } while(0)
+#define __set_TPRV(V)	do { *(volatile unsigned long *)(0xfeff9420) = (V) << 24; mb(); } while(0)
+#define __set_TPRCKSL(V) do { *(volatile unsigned long *)(0xfeff9428) = (V); mb(); } while(0)
+#define __set_TCSR(T,V)	\
+do { *(volatile unsigned long *)(0xfeff9400 + 8 * (T)) = (V); mb(); } while(0)
+
+#define __set_TxCKSL(T,V) \
+do { *(volatile unsigned long *)(0xfeff9430 + 8 * (T)) = (V); mb(); } while(0)
+
+#define __set_TCSR_DATA(T,V) __set_TCSR(T, (V) << 24)
+#define __set_TxCKSL_DATA(T,V) __set_TxCKSL(T, TxCKSL_EIGHT | __TxCKSL_SELECT((V)))
+
+/* clock control register */
+#define CLKC_CMODE		0x0f000000
+#define CLKC_SLPL		0x000f0000
+#define CLKC_P0			0x00000100
+#define CLKC_CM			0x00000003
+
+#define CLKC_CMODE_s		24
+
+/* timer control register - non-readback mode */
+#define TCTR_MODE_0		0x00000000
+#define TCTR_MODE_2		0x04000000
+#define TCTR_MODE_4		0x08000000
+#define TCTR_MODE_5		0x0a000000
+#define TCTR_RL_LATCH		0x00000000
+#define TCTR_RL_RW_LOW8		0x10000000
+#define TCTR_RL_RW_HIGH8	0x20000000
+#define TCTR_RL_RW_LH8		0x30000000
+#define TCTR_SC_CTR0		0x00000000
+#define TCTR_SC_CTR1		0x40000000
+#define TCTR_SC_CTR2		0x80000000
+
+/* timer control register - readback mode */
+#define TCTR_CNT0		0x02000000
+#define TCTR_CNT1		0x04000000
+#define TCTR_CNT2		0x08000000
+#define TCTR_NSTATUS		0x10000000
+#define TCTR_NCOUNT		0x20000000
+#define TCTR_SC_READBACK	0xc0000000
+
+/* timer control status registers - non-readback mode */
+#define TCSRx_DATA		0xff000000
+
+/* timer control status registers - readback mode */
+#define TCSRx_OUTPUT		0x80000000
+#define TCSRx_NULLCOUNT		0x40000000
+#define TCSRx_RL		0x30000000
+#define TCSRx_MODE		0x07000000
+
+/* timer clock select registers */
+#define TxCKSL_SELECT		0x0f000000
+#define __TxCKSL_SELECT(X)	((X) << 24)
+#define TxCKSL_EIGHT		0xf0000000
+
+#endif /* _ASM_TIMER_REGS_H */