xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-tegra/tegra186/cache.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1/*
2 * Copyright (c) 2016, NVIDIA CORPORATION.
3 *
4 * SPDX-License-Identifier: GPL-2.0
5 */
6
7#include <config.h>
8#include <linux/linkage.h>
9
10#define SMC_SIP_INVOKE_MCE		0x82FFFF00
11#define MCE_SMC_ROC_FLUSH_CACHE		(SMC_SIP_INVOKE_MCE | 11)
12#define MCE_SMC_ROC_FLUSH_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 14)
13#define MCE_SMC_ROC_CLEAN_CACHE_ONLY	(SMC_SIP_INVOKE_MCE | 15)
14
15ENTRY(__asm_tegra_cache_smc)
16	mov	x1, #0
17	mov	x2, #0
18	mov	x3, #0
19	mov	x4, #0
20	mov	x5, #0
21	mov	x6, #0
22	smc	#0
23	mov	x0, #0
24	ret
25ENDPROC(__asm_invalidate_l3_dcache)
26
27ENTRY(__asm_invalidate_l3_dcache)
28	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY & 0xffff)
29	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE_ONLY >> 16), lsl #16
30	b	__asm_tegra_cache_smc
31ENDPROC(__asm_invalidate_l3_dcache)
32
33ENTRY(__asm_flush_l3_dcache)
34	mov	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY & 0xffff)
35	movk	x0, #(MCE_SMC_ROC_CLEAN_CACHE_ONLY >> 16), lsl #16
36	b	__asm_tegra_cache_smc
37ENDPROC(__asm_flush_l3_dcache)
38
39ENTRY(__asm_invalidate_l3_icache)
40	mov	x0, #(MCE_SMC_ROC_FLUSH_CACHE & 0xffff)
41	movk	x0, #(MCE_SMC_ROC_FLUSH_CACHE >> 16), lsl #16
42	b	__asm_tegra_cache_smc
43ENDPROC(__asm_invalidate_l3_icache)
44