diff options
Diffstat (limited to 'plat/arm/board/corstone700/common/drivers/mhu/corstone700_mhu.h')
| -rw-r--r-- | plat/arm/board/corstone700/common/drivers/mhu/corstone700_mhu.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/plat/arm/board/corstone700/common/drivers/mhu/corstone700_mhu.h b/plat/arm/board/corstone700/common/drivers/mhu/corstone700_mhu.h new file mode 100644 index 0000000..7f14ca5 --- /dev/null +++ b/plat/arm/board/corstone700/common/drivers/mhu/corstone700_mhu.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2019-2022, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CORSTONE700_MHU_H +#define CORSTONE700_MHU_H + +#define MHU_POLL_INTR_STAT_TIMEOUT 50000 /*timeout value in us*/ + +/* CPU MHU secure channel registers */ +#define CPU_INTR_S_STAT 0x00 +#define CPU_INTR_S_SET 0x0C + +/* MHUv2 Control Registers Offsets */ +#define MHU_V2_MSG_CFG_OFFSET 0xF80 +#define MHU_V2_ACCESS_REQ_OFFSET 0xF88 +#define MHU_V2_ACCESS_READY_OFFSET 0xF8C + +#define MHU_V2_ACCESS_REQUEST(addr) \ + mmio_write_32((addr) + MHU_V2_ACCESS_REQ_OFFSET, 0x1) + +#define MHU_V2_CLEAR_REQUEST(addr) \ + mmio_write_32((addr) + MHU_V2_ACCESS_REQ_OFFSET, 0x0) + +#define MHU_V2_IS_ACCESS_READY(addr) \ + (mmio_read_32((addr) + MHU_V2_ACCESS_READY_OFFSET) & 0x1) + +void mhu_secure_message_start(uintptr_t address, unsigned int slot_id); +void mhu_secure_message_send(uintptr_t address, + unsigned int slot_id, + unsigned int message); +void mhu_secure_message_end(uintptr_t address, unsigned int slot_id); +void mhu_secure_init(void); + +#endif /* CORSTONE700_MHU_H */ |