diff options
Diffstat (limited to 'drivers/crypto/fsl/jr.c')
| -rw-r--r-- | drivers/crypto/fsl/jr.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index 5275c50e8b..42865a6cd7 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -446,7 +446,7 @@ int sec_reset(void) return sec_reset_idx(0); } #ifndef CONFIG_SPL_BUILD -static int instantiate_rng(uint8_t sec_idx) +static int instantiate_rng(u8 sec_idx, int gen_sk) { u32 *desc; u32 rdsta_val; @@ -470,7 +470,7 @@ static int instantiate_rng(uint8_t sec_idx) if (rdsta_val & (1 << sh_idx)) continue; - inline_cnstr_jobdesc_rng_instantiation(desc, sh_idx); + inline_cnstr_jobdesc_rng_instantiation(desc, sh_idx, gen_sk); size = roundup(sizeof(uint32_t) * 6, ARCH_DMA_MINALIGN); flush_dcache_range((unsigned long)desc, (unsigned long)desc + size); @@ -546,12 +546,13 @@ static void kick_trng(int ent_delay, uint8_t sec_idx) static int rng_init(uint8_t sec_idx) { - int ret, ent_delay = RTSDCTL_ENT_DLY_MIN; + int ret, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx); struct rng4tst __iomem *rng = (struct rng4tst __iomem *)&sec->rng; u32 inst_handles; + gen_sk = !(sec_in32(&rng->rdsta) & RDSTA_SKVN); do { inst_handles = sec_in32(&rng->rdsta) & RNG_STATE_HANDLE_MASK; @@ -574,7 +575,7 @@ static int rng_init(uint8_t sec_idx) * interval, leading to a sucessful initialization of * the RNG. */ - ret = instantiate_rng(sec_idx); + ret = instantiate_rng(sec_idx, gen_sk); } while ((ret == -1) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); if (ret) { printf("SEC%u: Failed to instantiate RNG\n", sec_idx); |