diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/arm/ethosn/ethosn_smc.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/arm/ethosn/ethosn_smc.c b/drivers/arm/ethosn/ethosn_smc.c index 124de9243..b5cb0408f 100644 --- a/drivers/arm/ethosn/ethosn_smc.c +++ b/drivers/arm/ethosn/ethosn_smc.c @@ -34,6 +34,10 @@ #define ETHOSN_CORE_SEC_REG(core_addr, reg_offset) \ (core_addr + reg_offset) +#define ETHOSN_FW_VA_BASE 0x20000000UL +#define ETHOSN_WORKING_DATA_VA_BASE 0x40000000UL +#define ETHOSN_COMMAND_STREAM_VA_BASE 0x60000000UL + /* Reset timeout in us */ #define ETHOSN_RESET_TIMEOUT_US U(10 * 1000 * 1000) #define ETHOSN_RESET_WAIT_US U(1) @@ -304,6 +308,38 @@ static uintptr_t ethosn_smc_core_handler(uint32_t fid, } } +static uintptr_t ethosn_smc_fw_prop_handler(u_register_t fw_property, + void *handle) +{ +#if ARM_ETHOSN_NPU_TZMP1 + switch (fw_property) { + case ETHOSN_FW_PROP_VERSION: + SMC_RET4(handle, ETHOSN_SUCCESS, + big_fw->fw_ver_major, + big_fw->fw_ver_minor, + big_fw->fw_ver_patch); + case ETHOSN_FW_PROP_MEM_INFO: + SMC_RET3(handle, ETHOSN_SUCCESS, + ((void *)big_fw) + big_fw->offset, + big_fw->size); + case ETHOSN_FW_PROP_OFFSETS: + SMC_RET3(handle, ETHOSN_SUCCESS, + big_fw->ple_offset, + big_fw->unpriv_stack_offset); + case ETHOSN_FW_PROP_VA_MAP: + SMC_RET4(handle, ETHOSN_SUCCESS, + ETHOSN_FW_VA_BASE, + ETHOSN_WORKING_DATA_VA_BASE, + ETHOSN_COMMAND_STREAM_VA_BASE); + default: + WARN("ETHOSN: Unknown firmware property\n"); + SMC_RET1(handle, ETHOSN_INVALID_PARAMETER); + } +#else + SMC_RET1(handle, ETHOSN_NOT_SUPPORTED); +#endif +} + uintptr_t ethosn_smc_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, @@ -329,13 +365,16 @@ uintptr_t ethosn_smc_handler(uint32_t smc_fid, x4 &= 0xFFFFFFFF; } - if (!is_ethosn_fid(smc_fid) || (fid > ETHOSN_FNUM_IS_SLEEPING)) { + if (!is_ethosn_fid(smc_fid) || (fid > ETHOSN_FNUM_GET_FW_PROP)) { WARN("ETHOSN: Unknown SMC call: 0x%x\n", smc_fid); SMC_RET1(handle, SMC_UNK); } - if (fid == ETHOSN_FNUM_VERSION) { + switch (fid) { + case ETHOSN_FNUM_VERSION: SMC_RET2(handle, ETHOSN_VERSION_MAJOR, ETHOSN_VERSION_MINOR); + case ETHOSN_FNUM_GET_FW_PROP: + return ethosn_smc_fw_prop_handler(x1, handle); } return ethosn_smc_core_handler(fid, x1, x2, x3, x4, handle); |