diff options
Diffstat (limited to 'drivers/crypto/caam/caampkc.c')
| -rw-r--r-- | drivers/crypto/caam/caampkc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 4fc209cbbeab..77ab28a2811a 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -3,6 +3,7 @@ * caam - Freescale FSL CAAM support for Public Key Cryptography * * Copyright 2016 Freescale Semiconductor, Inc. + * Copyright 2018 NXP * * There is no Shared Descriptor for PKC so that the Job Descriptor must carry * all the desired key parameters, input and output pointers. @@ -1017,7 +1018,7 @@ static int __init caam_pkc_init(void) struct platform_device *pdev; struct device *ctrldev; struct caam_drv_private *priv; - u32 cha_inst, pk_inst; + u32 pk_inst; int err; dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); @@ -1045,8 +1046,11 @@ static int __init caam_pkc_init(void) return -ENODEV; /* Determine public key hardware accelerator presence. */ - cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); - pk_inst = (cha_inst & CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT; + if (priv->era < 10) + pk_inst = (rd_reg32(&priv->ctrl->perfmon.cha_num_ls) & + CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT; + else + pk_inst = rd_reg32(&priv->ctrl->vreg.pkha) & CHA_VER_NUM_MASK; /* Do not register algorithms if PKHA is not present. */ if (!pk_inst) |