xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-tegra/tegra186/cache.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun * Copyright (c) 2016, NVIDIA CORPORATION.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun#include <config.h>
8*4882a593Smuzhiyun#include <linux/linkage.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun#define SMC_SIP_INVOKE_MCE		0x82FFFF00
11*4882a593Smuzhiyun#define MCE_SMC_ROC_FLUSH_CACHE		(SMC_SIP_INVOKE_MCE | 11)
12*4882a593Smuzhiyun#define MCE_SMC_ROC_FLUSH_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 14)
13*4882a593Smuzhiyun#define MCE_SMC_ROC_CLEAN_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 15)
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunENTRY(__asm_tegra_cache_smc)
16*4882a593Smuzhiyun	mov	x1, #0
17*4882a593Smuzhiyun	mov	x2, #0
18*4882a593Smuzhiyun	mov	x3, #0
19*4882a593Smuzhiyun	mov	x4, #0
20*4882a593Smuzhiyun	mov	x5, #0
21*4882a593Smuzhiyun	mov	x6, #0
22*4882a593Smuzhiyun	smc	#0
23*4882a593Smuzhiyun	mov	x0, #0
24*4882a593Smuzhiyun	ret
25*4882a593SmuzhiyunENDPROC(__asm_invalidate_l3_dcache)
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunENTRY(__asm_invalidate_l3_dcache)
28*4882a593Smuzhiyun	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY & 0xffff)
29*4882a593Smuzhiyun	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY >> 16), lsl #16
30*4882a593Smuzhiyun	b	__asm_tegra_cache_smc
31*4882a593SmuzhiyunENDPROC(__asm_invalidate_l3_dcache)
32*4882a593Smuzhiyun
33*4882a593SmuzhiyunENTRY(__asm_flush_l3_dcache)
34*4882a593Smuzhiyun	mov	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY & 0xffff)
35*4882a593Smuzhiyun	movk	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY >> 16), lsl #16
36*4882a593Smuzhiyun	b	__asm_tegra_cache_smc
37*4882a593SmuzhiyunENDPROC(__asm_flush_l3_dcache)
38*4882a593Smuzhiyun
39*4882a593SmuzhiyunENTRY(__asm_invalidate_l3_icache)
40*4882a593Smuzhiyun	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE & 0xffff)
41*4882a593Smuzhiyun	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE >> 16), lsl #16
42*4882a593Smuzhiyun	b	__asm_tegra_cache_smc
43*4882a593SmuzhiyunENDPROC(__asm_invalidate_l3_icache)
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