// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzhangjin@gmail.com */ #include <linux/memblock.h> #include <asm/bootinfo.h> #include <asm/traps.h> #include <asm/smp-ops.h> #include <asm/cacheflush.h> #include <asm/fw/fw.h> #include <loongson.h> /* Loongson CPU address windows config space base address */ unsigned long __maybe_unused _loongson_addrwincfg_base; static void __init mips_nmi_setup(void) { void *base; base = (void *)(CAC_BASE + 0x380); memcpy(base, except_vec_nmi, 0x80); flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); } void __init prom_init(void) { #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG _loongson_addrwincfg_base = (unsigned long) ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE); #endif fw_init_cmdline(); prom_init_machtype(); prom_init_env(); /* init base address of io space */ set_io_port_base((unsigned long) ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE)); prom_init_memory(); /*init the uart base address */ prom_init_uart_base(); board_nmi_handler_setup = mips_nmi_setup; }