2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License as published by the
4 * Free Software Foundation; either version 2 of the License, or (at your
5 * option) any later version.
8 #include <linux/fcntl.h>
11 #include <asm/bootinfo.h>
16 void __init prom_init_memory(void)
18 add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
21 add_memory_region(LOONGSON_HIGHMEM_START,
22 highmemsize << 20, BOOT_MEM_RAM);
23 #endif /* CONFIG_64BIT */
26 /* override of arch/mips/mm/cache.c: __uncached_access */
27 int __uncached_access(struct file *file, unsigned long addr)
29 if (file->f_flags & O_SYNC)
32 return addr >= __pa(high_memory) ||
33 ((addr >= LOONGSON_MMIO_MEM_START) &&
34 (addr < LOONGSON_MMIO_MEM_END));