blob: 948d28034c6fe1655a7a4b8c37079116ab0bdb77 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/*
* Atheros AR71xx specific kernel entry setup
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#ifndef __ASM_MACH_AR71XX_KERNEL_ENTRY_H
#define __ASM_MACH_AR71XX_KERNEL_ENTRY_H
/*
* Some bootloaders set the 'Kseg0 coherency algorithm' to
* 'Cacheable, noncoherent, write-through, no write allocate'
* and this cause performance issues. Let's go and change it to
* 'Cacheable, noncoherent, write-back, write allocate'
*/
.macro kernel_entry_setup
mfc0 t0, CP0_CONFIG
li t1, ~CONF_CM_CMASK
and t0, t1
ori t0, CONF_CM_CACHABLE_NONCOHERENT
mtc0 t0, CP0_CONFIG
nop
.endm
.macro smp_slave_setup
.endm
#endif /* __ASM_MACH_AR71XX_KERNEL_ENTRY_H */
|
