aboutsummaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/mcfpit.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/mcfpit.h')
-rw-r--r--arch/m68k/include/asm/mcfpit.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfpit.h b/arch/m68k/include/asm/mcfpit.h
new file mode 100644
index 00000000000..f570cf64fd2
--- /dev/null
+++ b/arch/m68k/include/asm/mcfpit.h
@@ -0,0 +1,64 @@
+/****************************************************************************/
+
+/*
+ * mcfpit.h -- ColdFire internal PIT timer support defines.
+ *
+ * (C) Copyright 2003, Greg Ungerer (gerg@snapgear.com)
+ */
+
+/****************************************************************************/
+#ifndef mcfpit_h
+#define mcfpit_h
+/****************************************************************************/
+
+
+/*
+ * Get address specific defines for the 5270/5271, 5280/5282, and 5208.
+ */
+#if defined(CONFIG_M520x)
+#define MCFPIT_BASE1 0x00080000 /* Base address of TIMER1 */
+#define MCFPIT_BASE2 0x00084000 /* Base address of TIMER2 */
+#else
+#define MCFPIT_BASE1 0x00150000 /* Base address of TIMER1 */
+#define MCFPIT_BASE2 0x00160000 /* Base address of TIMER2 */
+#define MCFPIT_BASE3 0x00170000 /* Base address of TIMER3 */
+#define MCFPIT_BASE4 0x00180000 /* Base address of TIMER4 */
+#endif
+
+/*
+ * Define the PIT timer register set addresses.
+ */
+#define MCFPIT_PCSR 0x0 /* PIT control register */
+#define MCFPIT_PMR 0x2 /* PIT modulus register */
+#define MCFPIT_PCNTR 0x4 /* PIT count register */
+
+/*
+ * Bit definitions for the PIT Control and Status register.
+ */
+#define MCFPIT_PCSR_CLK1 0x0000 /* System clock divisor */
+#define MCFPIT_PCSR_CLK2 0x0100 /* System clock divisor */
+#define MCFPIT_PCSR_CLK4 0x0200 /* System clock divisor */
+#define MCFPIT_PCSR_CLK8 0x0300 /* System clock divisor */
+#define MCFPIT_PCSR_CLK16 0x0400 /* System clock divisor */
+#define MCFPIT_PCSR_CLK32 0x0500 /* System clock divisor */
+#define MCFPIT_PCSR_CLK64 0x0600 /* System clock divisor */
+#define MCFPIT_PCSR_CLK128 0x0700 /* System clock divisor */
+#define MCFPIT_PCSR_CLK256 0x0800 /* System clock divisor */
+#define MCFPIT_PCSR_CLK512 0x0900 /* System clock divisor */
+#define MCFPIT_PCSR_CLK1024 0x0a00 /* System clock divisor */
+#define MCFPIT_PCSR_CLK2048 0x0b00 /* System clock divisor */
+#define MCFPIT_PCSR_CLK4096 0x0c00 /* System clock divisor */
+#define MCFPIT_PCSR_CLK8192 0x0d00 /* System clock divisor */
+#define MCFPIT_PCSR_CLK16384 0x0e00 /* System clock divisor */
+#define MCFPIT_PCSR_CLK32768 0x0f00 /* System clock divisor */
+#define MCFPIT_PCSR_DOZE 0x0040 /* Clock run in doze mode */
+#define MCFPIT_PCSR_HALTED 0x0020 /* Clock run in halt mode */
+#define MCFPIT_PCSR_OVW 0x0010 /* Overwrite PIT counter now */
+#define MCFPIT_PCSR_PIE 0x0008 /* Enable PIT interrupt */
+#define MCFPIT_PCSR_PIF 0x0004 /* PIT interrupt flag */
+#define MCFPIT_PCSR_RLD 0x0002 /* Reload counter */
+#define MCFPIT_PCSR_EN 0x0001 /* Enable PIT */
+#define MCFPIT_PCSR_DISABLE 0x0000 /* Disable PIT */
+
+/****************************************************************************/
+#endif /* mcfpit_h */