65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
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/*
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* Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
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* Author: Wu Zhangjin <wuzj@lemote.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __ASM_MACH_LOONGSON_LOONGSON_H
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#define __ASM_MACH_LOONGSON_LOONGSON_H
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#include <linux/io.h>
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#include <linux/init.h>
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/* there is an internal bonito64-compatiable northbridge in loongson2e/2f */
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#include <asm/mips-boards/bonito64.h>
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/* loongson internal northbridge initialization */
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extern void bonito_irq_init(void);
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/* machine-specific reboot/halt operation */
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extern void mach_prepare_reboot(void);
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extern void mach_prepare_shutdown(void);
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/* environment arguments from bootloader */
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extern unsigned long bus_clock, cpu_clock_freq;
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extern unsigned long memsize, highmemsize;
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/* loongson-specific command line, env and memory initialization */
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extern void __init prom_init_memory(void);
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extern void __init prom_init_cmdline(void);
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extern void __init prom_init_env(void);
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/* irq operation functions */
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extern void bonito_irqdispatch(void);
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extern void __init bonito_irq_init(void);
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extern void __init set_irq_trigger_mode(void);
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extern void __init mach_init_irq(void);
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extern void mach_irq_dispatch(unsigned int pending);
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/* PCI Configuration Registers */
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#define LOONGSON_PCI_ISR4C BONITO_PCI_REG(0x4c)
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/* PCI_Hit*_Sel_* */
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#define LOONGSON_PCI_HIT0_SEL_L BONITO(BONITO_REGBASE + 0x50)
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#define LOONGSON_PCI_HIT0_SEL_H BONITO(BONITO_REGBASE + 0x54)
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#define LOONGSON_PCI_HIT1_SEL_L BONITO(BONITO_REGBASE + 0x58)
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#define LOONGSON_PCI_HIT1_SEL_H BONITO(BONITO_REGBASE + 0x5c)
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#define LOONGSON_PCI_HIT2_SEL_L BONITO(BONITO_REGBASE + 0x60)
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#define LOONGSON_PCI_HIT2_SEL_H BONITO(BONITO_REGBASE + 0x64)
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/* PXArb Config & Status */
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#define LOONGSON_PXARB_CFG BONITO(BONITO_REGBASE + 0x68)
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#define LOONGSON_PXARB_STATUS BONITO(BONITO_REGBASE + 0x6c)
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/* loongson2-specific perf counter IRQ */
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#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6)
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#endif /* __ASM_MACH_LOONGSON_LOONGSON_H */
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