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/smp-ops.h> 14 15 #include <loongson.h> 16 17 /* Loongson CPU address windows config space base address */ 18 unsigned long __maybe_unused _loongson_addrwincfg_base; 19 prom_init(void)20void __init prom_init(void) 21 { 22 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG 23 _loongson_addrwincfg_base = (unsigned long) 24 ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE); 25 #endif 26 27 prom_init_cmdline(); 28 prom_init_env(); 29 30 /* init base address of io space */ 31 set_io_port_base((unsigned long) 32 ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE)); 33 34 #ifdef CONFIG_NUMA 35 prom_init_numa_memory(); 36 #else 37 prom_init_memory(); 38 #endif 39 40 /*init the uart base address */ 41 prom_init_uart_base(); 42 register_smp_ops(&loongson3_smp_ops); 43 } 44 prom_free_prom_memory(void)45void __init prom_free_prom_memory(void) 46 { 47 } 48