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| author | Madhukar Pappireddy <madhukar.pappireddy@arm.com> | 2020-07-28 18:31:47 +0000 |
|---|---|---|
| committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2020-07-28 18:31:47 +0000 |
| commit | a6151e7c85ee602cf5cd018e2e3ca465e8af9a85 (patch) | |
| tree | def8effd4b20ab11f9a333bb9184784bd89418f4 /docs/getting_started | |
| parent | 894eb3eefaaf4c3ed2c313badce1e94dbfc541d4 (diff) | |
| parent | 6f0a2f04abd6f75c8f9e16c3f06c27609c49568a (diff) | |
| download | arm-trusted-firmware-a6151e7c85ee602cf5cd018e2e3ca465e8af9a85.tar.gz | |
Merge "SMCCC: Introduce function to check SMCCC function availability" into integration
Diffstat (limited to 'docs/getting_started')
| -rw-r--r-- | docs/getting_started/porting-guide.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst index c98f3cc04..7aaeae2f4 100644 --- a/docs/getting_started/porting-guide.rst +++ b/docs/getting_started/porting-guide.rst @@ -1130,6 +1130,7 @@ This function returns soc version which mainly consist of below fields soc_version[30:24] = JEP-106 continuation code for the SiP soc_version[23:16] = JEP-106 identification code with parity bit for the SiP + soc_version[15:0] = Implementation defined SoC ID Function : plat_get_soc_revision() ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -1145,6 +1146,18 @@ This function returns soc revision in below format soc_revision[0:30] = SOC revision of specific SOC +Function : plat_is_smccc_feature_available() +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +:: + + Argument : u_register_t + Return : int32_t + +This function returns SMC_ARCH_CALL_SUCCESS if the platform supports +the SMCCC function specified in the argument; otherwise returns +SMC_ARCH_CALL_NOT_SUPPORTED. + Modifications specific to a Boot Loader stage --------------------------------------------- |