1 /*
2  * Copyright (c) 2019, NXP. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <lib/mmio.h>
8 
9 #include <imx8m_caam.h>
10 
imx8m_caam_init(void)11 void imx8m_caam_init(void)
12 {
13 	uint32_t sm_cmd;
14 
15 	/* Dealloc part 0 and 2 with current DID */
16 	sm_cmd = (0 << SMC_PART_SHIFT | SMC_CMD_DEALLOC_PART);
17 	mmio_write_32(SM_CMD, sm_cmd);
18 
19 	sm_cmd = (2 << SMC_PART_SHIFT | SMC_CMD_DEALLOC_PART);
20 	mmio_write_32(SM_CMD, sm_cmd);
21 
22 	/* config CAAM JRaMID set MID to Cortex A */
23 	mmio_write_32(CAAM_JR0MID, CAAM_NS_MID);
24 	mmio_write_32(CAAM_JR1MID, CAAM_NS_MID);
25 	mmio_write_32(CAAM_JR2MID, CAAM_NS_MID);
26 
27 	/* Alloc partition 0 writing SMPO and SMAGs */
28 	mmio_write_32(SM_P0_PERM, 0xff);
29 	mmio_write_32(SM_P0_SMAG2, 0xffffffff);
30 	mmio_write_32(SM_P0_SMAG1, 0xffffffff);
31 
32 	/* Allocate page 0 and 1 to partition 0 with DID set */
33 	sm_cmd = (0 << SMC_PAGE_SHIFT | 0 << SMC_PART_SHIFT |
34 			SMC_CMD_ALLOC_PAGE);
35 	mmio_write_32(SM_CMD, sm_cmd);
36 
37 	sm_cmd = (1 << SMC_PAGE_SHIFT | 0 << SMC_PART_SHIFT |
38 			SMC_CMD_ALLOC_PAGE);
39 	mmio_write_32(SM_CMD, sm_cmd);
40 }
41