summaryrefslogtreecommitdiffstats
path: root/arch/m68k/include/asm/mcfintc.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/mcfintc.h')
-rw-r--r--arch/m68k/include/asm/mcfintc.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfintc.h b/arch/m68k/include/asm/mcfintc.h
new file mode 100644
index 000000000000..a75a001e773a
--- /dev/null
+++ b/arch/m68k/include/asm/mcfintc.h
@@ -0,0 +1,106 @@
+/****************************************************************************/
+
+/*
+ * mcfintc.h -- support definitions for the simple ColdFire
+ * Interrupt Controller
+ *
+ * (C) Copyright 2009, Greg Ungerer <gerg@uclinux.org>
+ */
+
+/****************************************************************************/
+#ifndef mcfintc_h
+#define mcfintc_h
+/****************************************************************************/
+
+/*
+ * Most of the older ColdFire parts use the same simple interrupt
+ * controller. This is currently used on the 5206, 5206e, 5249, 5307
+ * and 5407 parts.
+ *
+ * The builtin peripherals are masked through dedicated bits in the
+ * Interrupt Mask register (IMR) - and this is not indexed (or in any way
+ * related to) the actual interrupt number they use. So knowing the IRQ
+ * number doesn't explicitly map to a certain internal device for
+ * interrupt control purposes.
+ */
+
+/*
+ * Define the base address of the SIM within the MBAR address space.
+ */
+#define MCFSIM_BASE 0x0 /* Base address within SIM */
+
+/*
+ * Bit definitions for the ICR family of registers.
+ */
+#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
+#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
+#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
+#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
+#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
+#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
+#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
+#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
+#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
+
+#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
+#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
+#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
+#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
+
+/*
+ * Bit definitions for the ICR family of registers.
+ */
+#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
+#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
+#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
+#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
+#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
+#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
+#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
+#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
+#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
+
+#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
+#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
+#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
+#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
+
+/*
+ * Bit definitions for the Interrupt Mask register (IMR).
+ */
+#define MCFSIM_IMR_EINT1 0x0002 /* External intr # 1 */
+#define MCFSIM_IMR_EINT2 0x0004 /* External intr # 2 */
+#define MCFSIM_IMR_EINT3 0x0008 /* External intr # 3 */
+#define MCFSIM_IMR_EINT4 0x0010 /* External intr # 4 */
+#define MCFSIM_IMR_EINT5 0x0020 /* External intr # 5 */
+#define MCFSIM_IMR_EINT6 0x0040 /* External intr # 6 */
+#define MCFSIM_IMR_EINT7 0x0080 /* External intr # 7 */
+
+#define MCFSIM_IMR_SWD 0x0100 /* Software Watchdog intr */
+#define MCFSIM_IMR_TIMER1 0x0200 /* TIMER 1 intr */
+#define MCFSIM_IMR_TIMER2 0x0400 /* TIMER 2 intr */
+#define MCFSIM_IMR_MBUS 0x0800 /* MBUS intr */
+#define MCFSIM_IMR_UART1 0x1000 /* UART 1 intr */
+#define MCFSIM_IMR_UART2 0x2000 /* UART 2 intr */
+
+#if defined(CONFIG_M5206e)
+#define MCFSIM_IMR_DMA1 0x4000 /* DMA 1 intr */
+#define MCFSIM_IMR_DMA2 0x8000 /* DMA 2 intr */
+#elif defined(CONFIG_M5249) || defined(CONFIG_M5307)
+#define MCFSIM_IMR_DMA0 0x4000 /* DMA 0 intr */
+#define MCFSIM_IMR_DMA1 0x8000 /* DMA 1 intr */
+#define MCFSIM_IMR_DMA2 0x10000 /* DMA 2 intr */
+#define MCFSIM_IMR_DMA3 0x20000 /* DMA 3 intr */
+#endif
+
+/*
+ * Mask for all of the SIM devices. Some parts have more or less
+ * SIM devices. This is a catchall for the sandard set.
+ */
+#ifndef MCFSIM_IMR_MASKALL
+#define MCFSIM_IMR_MASKALL 0x3ffe /* All intr sources */
+#endif
+
+
+/****************************************************************************/
+#endif /* mcfintc_h */