From patchwork Thu Jun 25 12:19:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 242978 List-Id: U-Boot discussion From: michael at walle.cc (Michael Walle) Date: Thu, 25 Jun 2020 14:19:01 +0200 Subject: [PATCH v3 2/6] crypto/fsl: export caam_get_era() In-Reply-To: <20200625121905.4475-1-michael@walle.cc> References: <20200625121905.4475-1-michael@walle.cc> Message-ID: <20200625121905.4475-3-michael@walle.cc> We need the era in other modules, too. For example, to get the RNG version. Signed-off-by: Michael Walle Reviewed-by: Horia Geant? --- drivers/crypto/fsl/sec.c | 10 +++++++++- include/fsl_sec.h | 2 ++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/fsl/sec.c b/drivers/crypto/fsl/sec.c index a2c0bfaf44..f0a4a63d88 100644 --- a/drivers/crypto/fsl/sec.c +++ b/drivers/crypto/fsl/sec.c @@ -98,7 +98,15 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev) fdt_strerror(err)); } #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */ -static u8 caam_get_era(void) +/** + * caam_get_era() - fetch the CAAM's era + * + * The SEC module povides an "Era" which can be used to differentiate + * between different revisions. + * + * Return: era of the SEC. + */ +u8 caam_get_era(void) { static const struct { u16 ip_id; diff --git a/include/fsl_sec.h b/include/fsl_sec.h index c0d2c7e866..2ebb75c9b2 100644 --- a/include/fsl_sec.h +++ b/include/fsl_sec.h @@ -316,6 +316,8 @@ int blob_dek(const u8 *src, u8 *dst, u8 len); int sec_init_idx(uint8_t); #endif int sec_init(void); + +u8 caam_get_era(void); #endif #endif /* __FSL_SEC_H */