diff options
Diffstat (limited to 'arch/mips/include/asm/mach-loongson/loongson.h')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson/loongson.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h new file mode 100644 index 00000000000..e9f74dee24e --- /dev/null +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology + * Author: Wu Zhangjin <wuzj@lemote.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __ASM_MACH_LOONGSON_LOONGSON_H +#define __ASM_MACH_LOONGSON_LOONGSON_H + +#include <linux/io.h> +#include <linux/init.h> + +/* there is an internal bonito64-compatiable northbridge in loongson2e/2f */ +#include <asm/mips-boards/bonito64.h> + +/* loongson internal northbridge initialization */ +extern void bonito_irq_init(void); + +/* environment arguments from bootloader */ +extern unsigned long bus_clock, cpu_clock_freq; +extern unsigned long memsize, highmemsize; + +/* loongson-specific command line, env and memory initialization */ +extern void __init prom_init_memory(void); +extern void __init prom_init_cmdline(void); +extern void __init prom_init_env(void); + +/* PCI Configuration Registers */ +#define LOONGSON_PCI_ISR4C BONITO_PCI_REG(0x4c) + +/* PCI_Hit*_Sel_* */ + +#define LOONGSON_PCI_HIT0_SEL_L BONITO(BONITO_REGBASE + 0x50) +#define LOONGSON_PCI_HIT0_SEL_H BONITO(BONITO_REGBASE + 0x54) +#define LOONGSON_PCI_HIT1_SEL_L BONITO(BONITO_REGBASE + 0x58) +#define LOONGSON_PCI_HIT1_SEL_H BONITO(BONITO_REGBASE + 0x5c) +#define LOONGSON_PCI_HIT2_SEL_L BONITO(BONITO_REGBASE + 0x60) +#define LOONGSON_PCI_HIT2_SEL_H BONITO(BONITO_REGBASE + 0x64) + +/* PXArb Config & Status */ + +#define LOONGSON_PXARB_CFG BONITO(BONITO_REGBASE + 0x68) +#define LOONGSON_PXARB_STATUS BONITO(BONITO_REGBASE + 0x6c) + +/* loongson2-specific perf counter IRQ */ +#define LOONGSON2_PERFCNT_IRQ (MIPS_CPU_IRQ_BASE + 6) + +#endif /* __ASM_MACH_LOONGSON_LOONGSON_H */ |