diff options
Diffstat (limited to 'include/asm-x86/mach-voyager')
| -rw-r--r-- | include/asm-x86/mach-voyager/do_timer.h | 18 | ||||
| -rw-r--r-- | include/asm-x86/mach-voyager/entry_arch.h | 26 | ||||
| -rw-r--r-- | include/asm-x86/mach-voyager/irq_vectors.h | 79 | ||||
| -rw-r--r-- | include/asm-x86/mach-voyager/setup_arch.h | 10 |
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); + |