xref: /OK3568_Linux_fs/kernel/arch/arm/mm/cache-nop.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun#include <linux/linkage.h>
3*4882a593Smuzhiyun#include <linux/init.h>
4*4882a593Smuzhiyun#include <asm/assembler.h>
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun#include "proc-macros.S"
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunENTRY(nop_flush_icache_all)
9*4882a593Smuzhiyun	ret	lr
10*4882a593SmuzhiyunENDPROC(nop_flush_icache_all)
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun	.globl nop_flush_kern_cache_all
13*4882a593Smuzhiyun	.equ nop_flush_kern_cache_all, nop_flush_icache_all
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun	.globl nop_flush_kern_cache_louis
16*4882a593Smuzhiyun	.equ nop_flush_kern_cache_louis, nop_flush_icache_all
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun	.globl nop_flush_user_cache_all
19*4882a593Smuzhiyun	.equ nop_flush_user_cache_all, nop_flush_icache_all
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun	.globl nop_flush_user_cache_range
22*4882a593Smuzhiyun	.equ nop_flush_user_cache_range, nop_flush_icache_all
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun	.globl nop_coherent_kern_range
25*4882a593Smuzhiyun	.equ nop_coherent_kern_range, nop_flush_icache_all
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunENTRY(nop_coherent_user_range)
28*4882a593Smuzhiyun	mov	r0, 0
29*4882a593Smuzhiyun	ret	lr
30*4882a593SmuzhiyunENDPROC(nop_coherent_user_range)
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun	.globl nop_flush_kern_dcache_area
33*4882a593Smuzhiyun	.equ nop_flush_kern_dcache_area, nop_flush_icache_all
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun	.globl nop_dma_flush_range
36*4882a593Smuzhiyun	.equ nop_dma_flush_range, nop_flush_icache_all
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun	.globl nop_dma_map_area
39*4882a593Smuzhiyun	.equ nop_dma_map_area, nop_flush_icache_all
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun	.globl nop_dma_unmap_area
42*4882a593Smuzhiyun	.equ nop_dma_unmap_area, nop_flush_icache_all
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun	__INITDATA
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun	@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
47*4882a593Smuzhiyun	define_cache_functions nop
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