diff options
| -rw-r--r-- | chip/g/dcrypto/dcrypto_runtime.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/chip/g/dcrypto/dcrypto_runtime.c b/chip/g/dcrypto/dcrypto_runtime.c index 9f4b849a82..12e0832aa7 100644 --- a/chip/g/dcrypto/dcrypto_runtime.c +++ b/chip/g/dcrypto/dcrypto_runtime.c @@ -30,9 +30,12 @@ void dcrypto_init(void) REG_WRITE_MLV(GR_PMU_RST0, GC_PMU_RST0_DCRYPTO0_MASK, GC_PMU_RST0_DCRYPTO0_LSB, 0); - /* Turn off random nops (for accurate measuring here). */ - /* TODO(ngm): enable for production. */ - GREG32(CRYPTO, RAND_STALL_CTL) = 0; + /* Turn off random nops (which are enabled by default). */ + GWRITE_FIELD(CRYPTO, RAND_STALL_CTL, STALL_EN, 0); + /* Configure random nop percentage at 6%. */ + GWRITE_FIELD(CRYPTO, RAND_STALL_CTL, FREQ, 3); + /* Now turn on random nops. */ + GWRITE_FIELD(CRYPTO, RAND_STALL_CTL, STALL_EN, 1); /* Initialize DMEM. */ ptr = GREG32_ADDR(CRYPTO, DMEM_DUMMY); |