1 /* 2 * Copyright (C) 2009 Lemote Inc. 3 * Author: Wu Zhangjin, wuzhangjin@gmail.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 #include <linux/bootmem.h> 12 #include <asm/bootinfo.h> 13 #include <asm/traps.h> 14 #include <asm/smp-ops.h> 15 #include <asm/cacheflush.h> 16 17 #include <loongson.h> 18 19 /* Loongson CPU address windows config space base address */ 20 unsigned long __maybe_unused _loongson_addrwincfg_base; 21 mips_nmi_setup(void)22static void __init mips_nmi_setup(void) 23 { 24 void *base; 25 extern char except_vec_nmi; 26 27 base = (void *)(CAC_BASE + 0x380); 28 memcpy(base, &except_vec_nmi, 0x80); 29 flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); 30 } 31 prom_init(void)32void __init prom_init(void) 33 { 34 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG 35 _loongson_addrwincfg_base = (unsigned long) 36 ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE); 37 #endif 38 39 prom_init_cmdline(); 40 prom_init_env(); 41 42 /* init base address of io space */ 43 set_io_port_base((unsigned long) 44 ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE)); 45 46 #ifdef CONFIG_NUMA 47 prom_init_numa_memory(); 48 #else 49 prom_init_memory(); 50 #endif 51 52 /*init the uart base address */ 53 prom_init_uart_base(); 54 register_smp_ops(&loongson3_smp_ops); 55 board_nmi_handler_setup = mips_nmi_setup; 56 } 57 prom_free_prom_memory(void)58void __init prom_free_prom_memory(void) 59 { 60 } 61
