| // SPDX-License-Identifier: BSD-2-Clause |
| /* |
| * Copyright 2019 NXP |
| * |
| * Brief CAAM Job Rings Hardware Abstration Layer. |
| * Implementation of primitives to access HW. |
| */ |
| #include <caam_common.h> |
| #include <caam_hal_jr.h> |
| #include <caam_io.h> |
| #include <registers/ctrl_regs.h> |
| #include <registers/jr_regs.h> |
| |
| enum caam_status caam_hal_jr_setowner(vaddr_t ctrl_base, paddr_t jr_offset, |
| enum caam_jr_owner owner) |
| { |
| uint32_t val = 0; |
| unsigned int jr_idx = JRX_IDX(jr_offset); |
| |
| if (owner == JROWN_ARM_S) { |
| /* Read the Job Ring Lock bit */ |
| val = io_caam_read32(ctrl_base + JRxMIDR_MS(jr_idx)); |
| HAL_TRACE("JR%" PRIu32 "MIDR_MS value 0x%" PRIx32, jr_idx, val); |
| val |= JRxMIDR_MS_TZ; |
| |
| io_caam_write32(ctrl_base + JRxMIDR_MS(jr_idx), val); |
| } |
| |
| return CAAM_NO_ERROR; |
| } |
| |
| void caam_hal_jr_prepare_backup(vaddr_t ctrl_base __unused, |
| paddr_t jr_offset __unused) |
| { |
| } |
