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