arch/mips/loongson2ef/common/setup.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
   4  * Author: Fuxin Zhang, zhangfx@lemote.com
   5  */
   6 #include <linux/export.h>
   7 #include <linux/init.h>
   8
   9 #include <asm/wbflush.h>
  10 #include <asm/bootinfo.h>
  11
  12 #include <loongson.h>
  13
  14 static void wbflush_loongson(void)
  15 {
  16         asm(".set\tpush\n\t"
  17             ".set\tnoreorder\n\t"
  18             ".set mips3\n\t"
  19             "sync\n\t"
  20             "nop\n\t"
  21             ".set\tpop\n\t"
  22             ".set mips0\n\t");
  23 }
  24
  25 void (*__wbflush)(void) = wbflush_loongson;
  26 EXPORT_SYMBOL(__wbflush);
  27
  28 void __init plat_mem_setup(void)
  29 {
  30 }