diff options
| -rw-r--r-- | chip/g/dcrypto/sha256.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/chip/g/dcrypto/sha256.c b/chip/g/dcrypto/sha256.c index e3ac6642bb..e21d54b1d6 100644 --- a/chip/g/dcrypto/sha256.c +++ b/chip/g/dcrypto/sha256.c @@ -61,7 +61,8 @@ void dcrypto_sha_wait(enum sha_mode mode, uint32_t *digest) SHA256_DIGEST_SIZE; /* Stop LIVESTREAM mode. */ - GWRITE_FIELD(KEYMGR, SHA_TRIG, TRIG_STOP, 1); + GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_STOP_MASK; + /* Wait for SHA DONE interrupt. */ while (!GREG32(KEYMGR, SHA_ITOP)) ; @@ -130,18 +131,24 @@ void dcrypto_sha_update(struct HASH_CTX *unused, void dcrypto_sha_init(enum sha_mode mode) { + int val; + /* Stop LIVESTREAM mode, in case final() was not called. */ - GWRITE_FIELD(KEYMGR, SHA_TRIG, TRIG_STOP, 1); + GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_STOP_MASK; /* Clear interrupt status. */ GREG32(KEYMGR, SHA_ITOP) = 0; - /* SHA1 or SHA256 mode */ - GWRITE_FIELD(KEYMGR, SHA_CFG_EN, SHA1, mode == SHA1_MODE ? 1 : 0); + /* Enable streaming mode. */ - GWRITE_FIELD(KEYMGR, SHA_CFG_EN, LIVESTREAM, 1); - /* Enable the SHA DONE interrupt. */ - GWRITE_FIELD(KEYMGR, SHA_CFG_EN, INT_EN_DONE, 1); + val = GC_KEYMGR_SHA_CFG_EN_LIVESTREAM_MASK; + /* Enable SHA DONE interrupt. */ + val |= GC_KEYMGR_SHA_CFG_EN_INT_EN_DONE_MASK; + /* Select SHA mode. */ + if (mode == SHA1_MODE) + val |= GC_KEYMGR_SHA_CFG_EN_SHA1_MASK; + GREG32(KEYMGR, SHA_CFG_EN) = val; + /* Start SHA engine. */ - GWRITE_FIELD(KEYMGR, SHA_TRIG, TRIG_GO, 1); + GREG32(KEYMGR, SHA_TRIG) = GC_KEYMGR_SHA_TRIG_TRIG_GO_MASK; } static void dcrypto_sha256_init(LITE_SHA256_CTX *ctx) |