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Diffstat (limited to 'include/asm-x86/mach-voyager')
-rw-r--r--include/asm-x86/mach-voyager/do_timer.h18
-rw-r--r--include/asm-x86/mach-voyager/entry_arch.h26
-rw-r--r--include/asm-x86/mach-voyager/irq_vectors.h79
-rw-r--r--include/asm-x86/mach-voyager/setup_arch.h10
4 files changed, 133 insertions, 0 deletions
diff --git a/include/asm-x86/mach-voyager/do_timer.h b/include/asm-x86/mach-voyager/do_timer.h
new file mode 100644
index 000000000000..bc2b58926308
--- /dev/null
+++ b/include/asm-x86/mach-voyager/do_timer.h
@@ -0,0 +1,18 @@
+/* defines for inline arch setup functions */
+#include <linux/clockchips.h>
+
+#include <asm/voyager.h>
+#include <asm/i8253.h>
+
+/**
+ * do_timer_interrupt_hook - hook into timer tick
+ * @regs: standard registers from interrupt
+ *
+ * Call the pit clock event handler. see asm/i8253.h
+ **/
+static inline void do_timer_interrupt_hook(void)
+{
+ global_clock_event->event_handler(global_clock_event);
+ voyager_timer_interrupt();
+}
+
diff --git a/include/asm-x86/mach-voyager/entry_arch.h b/include/asm-x86/mach-voyager/entry_arch.h
new file mode 100644
index 000000000000..4a1e1e8c10b6
--- /dev/null
+++ b/include/asm-x86/mach-voyager/entry_arch.h
@@ -0,0 +1,26 @@
+/* -*- mode: c; c-basic-offset: 8 -*- */
+
+/* Copyright (C) 2002
+ *
+ * Author: James.Bottomley@HansenPartnership.com
+ *
+ * linux/arch/i386/voyager/entry_arch.h
+ *
+ * This file builds the VIC and QIC CPI gates
+ */
+
+/* initialise the voyager interrupt gates
+ *
+ * This uses the macros in irq.h to set up assembly jump gates. The
+ * calls are then redirected to the same routine with smp_ prefixed */
+BUILD_INTERRUPT(vic_sys_interrupt, VIC_SYS_INT)
+BUILD_INTERRUPT(vic_cmn_interrupt, VIC_CMN_INT)
+BUILD_INTERRUPT(vic_cpi_interrupt, VIC_CPI_LEVEL0);
+
+/* do all the QIC interrupts */
+BUILD_INTERRUPT(qic_timer_interrupt, QIC_TIMER_CPI);
+BUILD_INTERRUPT(qic_invalidate_interrupt, QIC_INVALIDATE_CPI);
+BUILD_INTERRUPT(qic_reschedule_interrupt, QIC_RESCHEDULE_CPI);
+BUILD_INTERRUPT(qic_enable_irq_interrupt, QIC_ENABLE_IRQ_CPI);
+BUILD_INTERRUPT(qic_call_function_interrupt, QIC_CALL_FUNCTION_CPI);
+
diff --git a/include/asm-x86/mach-voyager/irq_vectors.h b/include/asm-x86/mach-voyager/irq_vectors.h
new file mode 100644
index 000000000000..165421f5821c
--- /dev/null
+++ b/include/asm-x86/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 */
diff --git a/include/asm-x86/mach-voyager/setup_arch.h b/include/asm-x86/mach-voyager/setup_arch.h
new file mode 100644
index 000000000000..84d01ad33459
--- /dev/null
+++ b/include/asm-x86/mach-voyager/setup_arch.h
@@ -0,0 +1,10 @@
+#include <asm/voyager.h>
+#define VOYAGER_BIOS_INFO ((struct voyager_bios_info *)(PARAM+0x40))
+
+/* Hook to call BIOS initialisation function */
+
+/* for voyager, pass the voyager BIOS/SUS info area to the detection
+ * routines */
+
+#define ARCH_SETUP voyager_detect(VOYAGER_BIOS_INFO);
+