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Diffstat (limited to 'include/asm-arm/arch-l7200/gp_timers.h')
-rw-r--r--include/asm-arm/arch-l7200/gp_timers.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/gp_timers.h b/include/asm-arm/arch-l7200/gp_timers.h
new file mode 100644
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--- /dev/null
+++ b/include/asm-arm/arch-l7200/gp_timers.h
@@ -0,0 +1,42 @@
+/*
+ * linux/include/asm-arm/arch-l7200/gp_timers.h
+ *
+ * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
+ *
+ * Changelog:
+ * 07-28-2000 SJH Created file
+ * 08-02-2000 SJH Used structure for registers
+ */
+#ifndef _ASM_ARCH_GPTIMERS_H
+#define _ASM_ARCH_GPTIMERS_H
+
+#include <asm/arch/hardware.h>
+
+/*
+ * Layout of L7200 general purpose timer registers
+ */
+struct GPT_Regs {
+ unsigned int TIMERLOAD;
+ unsigned int TIMERVALUE;
+ unsigned int TIMERCONTROL;
+ unsigned int TIMERCLEAR;
+};
+
+#define GPT_BASE (IO_BASE_2 + 0x3000)
+#define l7200_timer1_regs ((volatile struct GPT_Regs *) (GPT_BASE))
+#define l7200_timer2_regs ((volatile struct GPT_Regs *) (GPT_BASE + 0x20))
+
+/*
+ * General register values
+ */
+#define GPT_PRESCALE_1 0x00000000
+#define GPT_PRESCALE_16 0x00000004
+#define GPT_PRESCALE_256 0x00000008
+#define GPT_MODE_FREERUN 0x00000000
+#define GPT_MODE_PERIODIC 0x00000040
+#define GPT_ENABLE 0x00000080
+#define GPT_BZTOG 0x00000100
+#define GPT_BZMOD 0x00000200
+#define GPT_LOAD_MASK 0x0000ffff
+
+#endif