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Commit 659da2ba authored by Wu Zhangjin's avatar Wu Zhangjin Committed by Ralf Baechle
Browse files

MIPS: Loongson: Register reserved memory pages 



Register reserved pages for Loongson family machines.

Signed-off-by: default avatarWu Zhangjin <wuzhangjin@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: yanh@lemote.com,
Cc: huhb@lemote.com
Cc: Zhang Le <r0bertz@gentoo.org>
Cc: zhangfx@lemote.com,
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c1b14a75

arch/mips/loongson/common/mem.c

+8 −0
Original line number Diff line number Diff line
@@ -12,14 +12,22 @@ 


#include <loongson.h>

#include <mem.h>

#include <pci.h>



void __init prom_init_memory(void)

{

    add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);



    add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize <<

			    20), BOOT_MEM_RESERVED);

#ifdef CONFIG_64BIT

    if (highmemsize > 0)

	add_memory_region(LOONGSON_HIGHMEM_START,

		highmemsize << 20, BOOT_MEM_RAM);



    add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START -

		    LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED);



#endif /* CONFIG_64BIT */

}