| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 22 | static 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 | |
| 32 | void __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 | |
| 58 | void __init prom_free_prom_memory(void) |
| 59 | { |
| 60 | } |