mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 10:26:55 +07:00
42d226c724
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com> Signed-off-by: Songmao Tian <tiansm@lemote.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
24 lines
706 B
C
24 lines
706 B
C
/*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
#include <linux/fs.h>
|
|
#include <linux/fcntl.h>
|
|
#include <linux/mm.h>
|
|
|
|
/* override of arch/mips/mm/cache.c: __uncached_access */
|
|
int __uncached_access(struct file *file, unsigned long addr)
|
|
{
|
|
if (file->f_flags & O_SYNC)
|
|
return 1;
|
|
|
|
/*
|
|
* On the Lemote Loongson 2e system, the peripheral registers
|
|
* reside between 0x1000:0000 and 0x2000:0000.
|
|
*/
|
|
return addr >= __pa(high_memory) ||
|
|
((addr >= 0x10000000) && (addr < 0x20000000));
|
|
}
|