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Diffstat (limited to 'plat/xilinx/common/include/ipi.h')
-rw-r--r-- | plat/xilinx/common/include/ipi.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/plat/xilinx/common/include/ipi.h b/plat/xilinx/common/include/ipi.h new file mode 100644 index 0000000..1d62f3e --- /dev/null +++ b/plat/xilinx/common/include/ipi.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2018, Xilinx, Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/* Xilinx IPI management configuration data and macros */ + +#ifndef IPI_H +#define IPI_H + +#include <stdint.h> + +/********************************************************************* + * IPI mailbox status macros + ********************************************************************/ +#define IPI_MB_STATUS_IDLE (0U) +#define IPI_MB_STATUS_SEND_PENDING (1U) +#define IPI_MB_STATUS_RECV_PENDING (2U) + +/********************************************************************* + * IPI mailbox call is secure or not macros + ********************************************************************/ +#define IPI_MB_CALL_NOTSECURE (0U) +#define IPI_MB_CALL_SECURE (1U) + +/********************************************************************* + * IPI secure check + ********************************************************************/ +#define IPI_SECURE_MASK (0x1U) +#define IPI_IS_SECURE(I) ((ipi_table[(I)].secure_only & \ + IPI_SECURE_MASK) ? 1 : 0) + +/********************************************************************* + * Struct definitions + ********************************************************************/ + +/* structure to maintain IPI configuration information */ +struct ipi_config { + unsigned int ipi_bit_mask; + unsigned int ipi_reg_base; + unsigned char secure_only; +}; + +/********************************************************************* + * IPI APIs declarations + ********************************************************************/ + +/* Initialize IPI configuration table */ +void ipi_config_table_init(const struct ipi_config *ipi_config_table, + uint32_t total_ipi); + +/* Validate IPI mailbox access */ +int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure); + +/* Open the IPI mailbox */ +void ipi_mb_open(uint32_t local, uint32_t remote); + +/* Release the IPI mailbox */ +void ipi_mb_release(uint32_t local, uint32_t remote); + +/* Enquire IPI mailbox status */ +int ipi_mb_enquire_status(uint32_t local, uint32_t remote); + +/* Trigger notification on the IPI mailbox */ +void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking); + +/* Ack IPI mailbox notification */ +void ipi_mb_ack(uint32_t local, uint32_t remote); + +/* Disable IPI mailbox notification interrupt */ +void ipi_mb_disable_irq(uint32_t local, uint32_t remote); + +/* Enable IPI mailbox notification interrupt */ +void ipi_mb_enable_irq(uint32_t local, uint32_t remote); + +#endif /* IPI_H */ |