| // SPDX-License-Identifier: BSD-2-Clause |
| /* |
| * Copyright 2017-2019 NXP |
| * |
| */ |
| |
| #include <imx.h> |
| #include <initcall.h> |
| #include <io.h> |
| #include <kernel/tz_ssvce_def.h> |
| #include <mm/core_memprot.h> |
| |
| static TEE_Result scu_init(void) |
| { |
| vaddr_t scu_base = core_mmu_get_va(SCU_BASE, MEM_AREA_IO_SEC); |
| |
| if (!scu_base) |
| return TEE_ERROR_GENERIC; |
| |
| /* SCU config */ |
| io_write32(scu_base + SCU_INV_SEC, SCU_INV_CTRL_INIT); |
| io_write32(scu_base + SCU_SAC, SCU_SAC_CTRL_INIT); |
| io_write32(scu_base + SCU_NSAC, SCU_NSAC_CTRL_INIT); |
| |
| /* SCU enable */ |
| io_write32(scu_base + SCU_CTRL, io_read32(scu_base + SCU_CTRL) | 0x1); |
| |
| return TEE_SUCCESS; |
| } |
| |
| driver_init(scu_init); |
