| Wu Zhangjin | 5e983ff | 2009-07-02 23:23:03 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology |
| 3 | * Author: Wu Zhangjin <wuzj@lemote.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2 of the License, or (at your |
| 8 | * option) any later version. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef __ASM_MACH_LOONGSON_LOONGSON_H |
| 13 | #define __ASM_MACH_LOONGSON_LOONGSON_H |
| 14 | |
| 15 | #include <linux/io.h> |
| 16 | #include <linux/init.h> |
| 17 | |
| 18 | /* there is an internal bonito64-compatiable northbridge in loongson2e/2f */ |
| 19 | #include <asm/mips-boards/bonito64.h> |
| 20 | |
| 21 | /* loongson internal northbridge initialization */ |
| 22 | extern void bonito_irq_init(void); |
| 23 | |
| Wu Zhangjin | 85749d2 | 2009-07-02 23:26:45 +0800 | [diff] [blame] | 24 | /* machine-specific reboot/halt operation */ |
| 25 | extern void mach_prepare_reboot(void); |
| 26 | extern void mach_prepare_shutdown(void); |
| 27 | |
| Wu Zhangjin | 5e983ff | 2009-07-02 23:23:03 +0800 | [diff] [blame] | 28 | /* environment arguments from bootloader */ |
| 29 | extern unsigned long bus_clock, cpu_clock_freq; |
| 30 | extern unsigned long memsize, highmemsize; |
| 31 | |
| 32 | /* loongson-specific command line, env and memory initialization */ |
| 33 | extern void __init prom_init_memory(void); |
| 34 | extern void __init prom_init_cmdline(void); |
| 35 | extern void __init prom_init_env(void); |
| 36 | |
| Wu Zhangjin | 85749d2 | 2009-07-02 23:26:45 +0800 | [diff] [blame] | 37 | /* irq operation functions */ |
| 38 | extern void bonito_irqdispatch(void); |
| 39 | extern void __init bonito_irq_init(void); |
| 40 | extern void __init set_irq_trigger_mode(void); |
| 41 | extern void __init mach_init_irq(void); |
| 42 | extern void mach_irq_dispatch(unsigned int pending); |
| 43 | |
| Wu Zhangjin | f7face0 | 2009-07-02 23:23:30 +0800 | [diff] [blame] | 44 | /* PCI Configuration Registers */ |
| 45 | #define LOONGSON_PCI_ISR4C BONITO_PCI_REG(0x4c) |
| 46 | |
| 47 | /* PCI_Hit*_Sel_* */ |
| 48 | |
| 49 | #define LOONGSON_PCI_HIT0_SEL_L BONITO(BONITO_REGBASE + 0x50) |
| 50 | #define LOONGSON_PCI_HIT0_SEL_H BONITO(BONITO_REGBASE + 0x54) |
| 51 | #define LOONGSON_PCI_HIT1_SEL_L BONITO(BONITO_REGBASE + 0x58) |
| 52 | #define LOONGSON_PCI_HIT1_SEL_H BONITO(BONITO_REGBASE + 0x5c) |
| 53 | #define LOONGSON_PCI_HIT2_SEL_L BONITO(BONITO_REGBASE + 0x60) |
| 54 | #define LOONGSON_PCI_HIT2_SEL_H BONITO(BONITO_REGBASE + 0x64) |
| 55 | |
| 56 | /* PXArb Config & Status */ |
| 57 | |
| 58 | #define LOONGSON_PXARB_CFG BONITO(BONITO_REGBASE + 0x68) |
| 59 | #define LOONGSON_PXARB_STATUS BONITO(BONITO_REGBASE + 0x6c) |
| 60 | |
| Wu Zhangjin | 67b35e5 | 2009-07-02 23:25:46 +0800 | [diff] [blame] | 61 | /* loongson2-specific perf counter IRQ */ |
| 62 | #define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) |
| 63 | |
| Wu Zhangjin | 5e983ff | 2009-07-02 23:23:03 +0800 | [diff] [blame] | 64 | #endif /* __ASM_MACH_LOONGSON_LOONGSON_H */ |