diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/drivers/arm/ethosn.h | 61 | ||||
-rw-r--r-- | include/plat/arm/common/arm_sip_svc.h | 8 | ||||
-rw-r--r-- | include/plat/arm/common/fconf_ethosn_getter.h | 35 |
3 files changed, 103 insertions, 1 deletions
diff --git a/include/drivers/arm/ethosn.h b/include/drivers/arm/ethosn.h new file mode 100644 index 0000000000..6de2abb85f --- /dev/null +++ b/include/drivers/arm/ethosn.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2021, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ETHOSN_H +#define ETHOSN_H + +#include <lib/smccc.h> + +/* Function numbers */ +#define ETHOSN_FNUM_VERSION U(0x50) +#define ETHOSN_FNUM_IS_SEC U(0x51) +#define ETHOSN_FNUM_HARD_RESET U(0x52) +#define ETHOSN_FNUM_SOFT_RESET U(0x53) +/* 0x54-0x5F reserved for future use */ + +/* SMC64 function IDs */ +#define ETHOSN_FID_64(func_num) U(0xC2000000 | func_num) +#define ETHOSN_FID_VERSION_64 ETHOSN_FID_64(ETHOSN_FNUM_VERSION) +#define ETHOSN_FID_IS_SEC_64 ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC) +#define ETHOSN_FID_HARD_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET) +#define ETHOSN_FID_SOFT_RESET_64 ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET) + +/* SMC32 function IDs */ +#define ETHOSN_FID_32(func_num) U(0x82000000 | func_num) +#define ETHOSN_FID_VERSION_32 ETHOSN_FID_32(ETHOSN_FNUM_VERSION) +#define ETHOSN_FID_IS_SEC_32 ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC) +#define ETHOSN_FID_HARD_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET) +#define ETHOSN_FID_SOFT_RESET_32 ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET) + +#define ETHOSN_NUM_SMC_CALLS 8 + +/* Macro to identify function calls */ +#define ETHOSN_FID_MASK U(0xFFF0) +#define ETHOSN_FID_VALUE U(0x50) +#define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE) + +/* Service version */ +#define ETHOSN_VERSION_MAJOR U(0) +#define ETHOSN_VERSION_MINOR U(1) + +/* Return codes for function calls */ +#define ETHOSN_SUCCESS 0 +#define ETHOSN_NOT_SUPPORTED -1 +/* -2 Reserved for NOT_REQUIRED */ +/* -3 Reserved for INVALID_PARAMETER */ +#define ETHOSN_FAILURE -4 +#define ETHOSN_CORE_IDX_OUT_OF_RANGE -5 + +uintptr_t ethosn_smc_handler(uint32_t smc_fid, + u_register_t core_idx, + u_register_t x2, + u_register_t x3, + u_register_t x4, + void *cookie, + void *handle, + u_register_t flags); + +#endif /* ETHOSN_H */ diff --git a/include/plat/arm/common/arm_sip_svc.h b/include/plat/arm/common/arm_sip_svc.h index 85fdb289f1..2eeed95f02 100644 --- a/include/plat/arm/common/arm_sip_svc.h +++ b/include/plat/arm/common/arm_sip_svc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2019,2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -25,6 +25,12 @@ /* DEBUGFS_SMC_32 0x82000030U */ /* DEBUGFS_SMC_64 0xC2000030U */ +/* + * Arm Ethos-N NPU SiP SMC function IDs + * 0xC2000050-0xC200005F + * 0x82000050-0x8200005F + */ + /* ARM SiP Service Calls version numbers */ #define ARM_SIP_SVC_VERSION_MAJOR U(0x0) #define ARM_SIP_SVC_VERSION_MINOR U(0x2) diff --git a/include/plat/arm/common/fconf_ethosn_getter.h b/include/plat/arm/common/fconf_ethosn_getter.h new file mode 100644 index 0000000000..0fd1f025a8 --- /dev/null +++ b/include/plat/arm/common/fconf_ethosn_getter.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2021, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef FCONF_ETHOSN_GETTER_H +#define FCONF_ETHOSN_GETTER_H + +#include <assert.h> + +#include <lib/fconf/fconf.h> + +#define hw_config__ethosn_config_getter(prop) ethosn_config.prop +#define hw_config__ethosn_core_addr_getter(idx) __extension__ ({ \ + assert(idx < ethosn_config.num_cores); \ + ethosn_config.core_addr[idx]; \ +}) + +#define ETHOSN_STATUS_DISABLED U(0) +#define ETHOSN_STATUS_ENABLED U(1) + +#define ETHOSN_CORE_NUM_MAX U(64) + +struct ethosn_config_t { + uint8_t status; + uint32_t num_cores; + uint64_t core_addr[ETHOSN_CORE_NUM_MAX]; +}; + +int fconf_populate_arm_ethosn(uintptr_t config); + +extern struct ethosn_config_t ethosn_config; + +#endif /* FCONF_ETHOSN_GETTER_H */ |