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Diffstat (limited to 'include/asm-i386/mach-voyager/irq_vectors.h')
-rw-r--r--include/asm-i386/mach-voyager/irq_vectors.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-i386/mach-voyager/irq_vectors.h b/include/asm-i386/mach-voyager/irq_vectors.h
new file mode 100644
index 00000000000..165421f5821
--- /dev/null
+++ b/include/asm-i386/mach-voyager/irq_vectors.h
@@ -0,0 +1,79 @@
+/* -*- mode: c; c-basic-offset: 8 -*- */
+
+/* Copyright (C) 2002
+ *
+ * Author: James.Bottomley@HansenPartnership.com
+ *
+ * linux/arch/i386/voyager/irq_vectors.h
+ *
+ * This file provides definitions for the VIC and QIC CPIs
+ */
+
+#ifndef _ASM_IRQ_VECTORS_H
+#define _ASM_IRQ_VECTORS_H
+
+/*
+ * IDT vectors usable for external interrupt sources start
+ * at 0x20:
+ */
+#define FIRST_EXTERNAL_VECTOR 0x20
+
+#define SYSCALL_VECTOR 0x80
+
+/*
+ * Vectors 0x20-0x2f are used for ISA interrupts.
+ */
+
+/* These define the CPIs we use in linux */
+#define VIC_CPI_LEVEL0 0
+#define VIC_CPI_LEVEL1 1
+/* now the fake CPIs */
+#define VIC_TIMER_CPI 2
+#define VIC_INVALIDATE_CPI 3
+#define VIC_RESCHEDULE_CPI 4
+#define VIC_ENABLE_IRQ_CPI 5
+#define VIC_CALL_FUNCTION_CPI 6
+
+/* Now the QIC CPIs: Since we don't need the two initial levels,
+ * these are 2 less than the VIC CPIs */
+#define QIC_CPI_OFFSET 1
+#define QIC_TIMER_CPI (VIC_TIMER_CPI - QIC_CPI_OFFSET)
+#define QIC_INVALIDATE_CPI (VIC_INVALIDATE_CPI - QIC_CPI_OFFSET)
+#define QIC_RESCHEDULE_CPI (VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET)
+#define QIC_ENABLE_IRQ_CPI (VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET)
+#define QIC_CALL_FUNCTION_CPI (VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET)
+
+#define VIC_START_FAKE_CPI VIC_TIMER_CPI
+#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_CPI
+
+/* this is the SYS_INT CPI. */
+#define VIC_SYS_INT 8
+#define VIC_CMN_INT 15
+
+/* This is the boot CPI for alternate processors. It gets overwritten
+ * by the above once the system has activated all available processors */
+#define VIC_CPU_BOOT_CPI VIC_CPI_LEVEL0
+#define VIC_CPU_BOOT_ERRATA_CPI (VIC_CPI_LEVEL0 + 8)
+
+#define NR_VECTORS 256
+#define NR_IRQS 224
+#define NR_IRQ_VECTORS NR_IRQS
+
+#define FPU_IRQ 13
+
+#define FIRST_VM86_IRQ 3
+#define LAST_VM86_IRQ 15
+#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
+
+#ifndef __ASSEMBLY__
+extern asmlinkage void vic_cpi_interrupt(void);
+extern asmlinkage void vic_sys_interrupt(void);
+extern asmlinkage void vic_cmn_interrupt(void);
+extern asmlinkage void qic_timer_interrupt(void);
+extern asmlinkage void qic_invalidate_interrupt(void);
+extern asmlinkage void qic_reschedule_interrupt(void);
+extern asmlinkage void qic_enable_irq_interrupt(void);
+extern asmlinkage void qic_call_function_interrupt(void);
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_IRQ_VECTORS_H */