mirror of https://gitee.com/openkylin/linux.git
crypto: caam - add register map changes cf. Era 10
Era 10 changes the register map. The updates that affect the drivers: -new version registers are added -DBG_DBG[deco_state] field is moved to a new register - DBG_EXEC[19:16] @ 8_0E3Ch. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă
Herbert Xu
parent
57f002891e
commit
d239b10d4c
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@ -3135,7 +3135,7 @@ static int __init caam_algapi_init(void)
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struct device *ctrldev;
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struct caam_drv_private *priv;
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int i = 0, err = 0;
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u32 cha_vid, cha_inst, des_inst, aes_inst, md_inst;
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u32 aes_vid, aes_inst, des_inst, md_vid, md_inst;
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unsigned int md_limit = SHA512_DIGEST_SIZE;
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bool registered = false;
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@ -3168,14 +3168,34 @@ static int __init caam_algapi_init(void)
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* Register crypto algorithms the device supports.
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* First, detect presence and attributes of DES, AES, and MD blocks.
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*/
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cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >> CHA_ID_LS_DES_SHIFT;
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aes_inst = (cha_inst & CHA_ID_LS_AES_MASK) >> CHA_ID_LS_AES_SHIFT;
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md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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if (priv->era < 10) {
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u32 cha_vid, cha_inst;
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cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
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aes_vid = cha_vid & CHA_ID_LS_AES_MASK;
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md_vid = (cha_vid & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >>
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CHA_ID_LS_DES_SHIFT;
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aes_inst = cha_inst & CHA_ID_LS_AES_MASK;
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md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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} else {
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u32 aesa, mdha;
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aesa = rd_reg32(&priv->ctrl->vreg.aesa);
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mdha = rd_reg32(&priv->ctrl->vreg.mdha);
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aes_vid = (aesa & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
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md_vid = (mdha & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
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des_inst = rd_reg32(&priv->ctrl->vreg.desa) & CHA_VER_NUM_MASK;
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aes_inst = aesa & CHA_VER_NUM_MASK;
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md_inst = mdha & CHA_VER_NUM_MASK;
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}
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/* If MD is present, limit digest size based on LP256 */
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if (md_inst && ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256))
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if (md_inst && md_vid == CHA_VER_VID_MD_LP256)
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md_limit = SHA256_DIGEST_SIZE;
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for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
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@ -3196,10 +3216,10 @@ static int __init caam_algapi_init(void)
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* Check support for AES modes not available
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* on LP devices.
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*/
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if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP)
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if ((t_alg->caam.class1_alg_type & OP_ALG_AAI_MASK) ==
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OP_ALG_AAI_XTS)
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continue;
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if (aes_vid == CHA_VER_VID_AES_LP &&
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(t_alg->caam.class1_alg_type & OP_ALG_AAI_MASK) ==
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OP_ALG_AAI_XTS)
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continue;
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caam_skcipher_alg_init(t_alg);
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@ -3236,9 +3256,8 @@ static int __init caam_algapi_init(void)
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* Check support for AES algorithms not available
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* on LP devices.
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*/
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if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP)
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if (alg_aai == OP_ALG_AAI_GCM)
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continue;
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if (aes_vid == CHA_VER_VID_AES_LP && alg_aai == OP_ALG_AAI_GCM)
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continue;
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/*
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* Skip algorithms requiring message digests
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@ -2462,7 +2462,7 @@ static int __init caam_qi_algapi_init(void)
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struct device *ctrldev;
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struct caam_drv_private *priv;
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int i = 0, err = 0;
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u32 cha_vid, cha_inst, des_inst, aes_inst, md_inst;
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u32 aes_vid, aes_inst, des_inst, md_vid, md_inst;
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unsigned int md_limit = SHA512_DIGEST_SIZE;
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bool registered = false;
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@ -2497,14 +2497,34 @@ static int __init caam_qi_algapi_init(void)
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* Register crypto algorithms the device supports.
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* First, detect presence and attributes of DES, AES, and MD blocks.
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*/
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cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >> CHA_ID_LS_DES_SHIFT;
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aes_inst = (cha_inst & CHA_ID_LS_AES_MASK) >> CHA_ID_LS_AES_SHIFT;
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md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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if (priv->era < 10) {
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u32 cha_vid, cha_inst;
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cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
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aes_vid = cha_vid & CHA_ID_LS_AES_MASK;
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md_vid = (cha_vid & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >>
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CHA_ID_LS_DES_SHIFT;
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aes_inst = cha_inst & CHA_ID_LS_AES_MASK;
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md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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} else {
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u32 aesa, mdha;
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aesa = rd_reg32(&priv->ctrl->vreg.aesa);
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mdha = rd_reg32(&priv->ctrl->vreg.mdha);
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aes_vid = (aesa & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
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md_vid = (mdha & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
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des_inst = rd_reg32(&priv->ctrl->vreg.desa) & CHA_VER_NUM_MASK;
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aes_inst = aesa & CHA_VER_NUM_MASK;
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md_inst = mdha & CHA_VER_NUM_MASK;
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}
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/* If MD is present, limit digest size based on LP256 */
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if (md_inst && ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256))
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if (md_inst && md_vid == CHA_VER_VID_MD_LP256)
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md_limit = SHA256_DIGEST_SIZE;
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for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
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@ -2556,8 +2576,7 @@ static int __init caam_qi_algapi_init(void)
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* Check support for AES algorithms not available
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* on LP devices.
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*/
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if (((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP) &&
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(alg_aai == OP_ALG_AAI_GCM))
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if (aes_vid == CHA_VER_VID_AES_LP && alg_aai == OP_ALG_AAI_GCM)
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continue;
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/*
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@ -3,6 +3,7 @@
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* caam - Freescale FSL CAAM support for ahash functions of crypto API
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*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*
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* Based on caamalg.c crypto API driver.
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*
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@ -1801,7 +1802,7 @@ static int __init caam_algapi_hash_init(void)
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int i = 0, err = 0;
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struct caam_drv_private *priv;
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unsigned int md_limit = SHA512_DIGEST_SIZE;
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u32 cha_inst, cha_vid;
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u32 md_inst, md_vid;
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dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
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if (!dev_node) {
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@ -1831,18 +1832,27 @@ static int __init caam_algapi_hash_init(void)
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* Register crypto algorithms the device supports. First, identify
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* presence and attributes of MD block.
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*/
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cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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if (priv->era < 10) {
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md_vid = (rd_reg32(&priv->ctrl->perfmon.cha_id_ls) &
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CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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md_inst = (rd_reg32(&priv->ctrl->perfmon.cha_num_ls) &
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CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
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} else {
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u32 mdha = rd_reg32(&priv->ctrl->vreg.mdha);
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md_vid = (mdha & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
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md_inst = mdha & CHA_VER_NUM_MASK;
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}
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/*
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* Skip registration of any hashing algorithms if MD block
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* is not present.
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*/
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if (!((cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT))
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if (!md_inst)
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return -ENODEV;
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/* Limit digest size based on LP256 */
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if ((cha_vid & CHA_ID_LS_MD_MASK) == CHA_ID_LS_MD_LP256)
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if (md_vid == CHA_VER_VID_MD_LP256)
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md_limit = SHA256_DIGEST_SIZE;
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INIT_LIST_HEAD(&hash_list);
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@ -3,6 +3,7 @@
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* caam - Freescale FSL CAAM support for Public Key Cryptography
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*
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* Copyright 2016 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*
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* There is no Shared Descriptor for PKC so that the Job Descriptor must carry
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* all the desired key parameters, input and output pointers.
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@ -1017,7 +1018,7 @@ static int __init caam_pkc_init(void)
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struct platform_device *pdev;
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struct device *ctrldev;
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struct caam_drv_private *priv;
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u32 cha_inst, pk_inst;
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u32 pk_inst;
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int err;
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dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
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@ -1045,8 +1046,11 @@ static int __init caam_pkc_init(void)
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return -ENODEV;
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/* Determine public key hardware accelerator presence. */
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cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
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pk_inst = (cha_inst & CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT;
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if (priv->era < 10)
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pk_inst = (rd_reg32(&priv->ctrl->perfmon.cha_num_ls) &
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CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT;
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else
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pk_inst = rd_reg32(&priv->ctrl->vreg.pkha) & CHA_VER_NUM_MASK;
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/* Do not register algorithms if PKHA is not present. */
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if (!pk_inst)
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@ -3,6 +3,7 @@
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* caam - Freescale FSL CAAM support for hw_random
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*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*
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* Based on caamalg.c crypto API driver.
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*
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@ -309,6 +310,7 @@ static int __init caam_rng_init(void)
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struct platform_device *pdev;
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struct device *ctrldev;
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struct caam_drv_private *priv;
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u32 rng_inst;
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int err;
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dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
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@ -336,7 +338,13 @@ static int __init caam_rng_init(void)
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return -ENODEV;
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/* Check for an instantiated RNG before registration */
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if (!(rd_reg32(&priv->ctrl->perfmon.cha_num_ls) & CHA_ID_LS_RNG_MASK))
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if (priv->era < 10)
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rng_inst = (rd_reg32(&priv->ctrl->perfmon.cha_num_ls) &
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CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT;
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else
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rng_inst = rd_reg32(&priv->ctrl->vreg.rng) & CHA_VER_NUM_MASK;
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if (!rng_inst)
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return -ENODEV;
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dev = caam_jr_alloc();
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@ -3,6 +3,7 @@
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* Controller-level driver, kernel property detection, initialization
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*
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* Copyright 2008-2012 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*/
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#include <linux/device.h>
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@ -106,7 +107,7 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc,
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struct caam_ctrl __iomem *ctrl = ctrlpriv->ctrl;
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struct caam_deco __iomem *deco = ctrlpriv->deco;
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unsigned int timeout = 100000;
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u32 deco_dbg_reg, flags;
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u32 deco_dbg_reg, deco_state, flags;
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int i;
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@ -149,13 +150,22 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc,
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timeout = 10000000;
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do {
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deco_dbg_reg = rd_reg32(&deco->desc_dbg);
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if (ctrlpriv->era < 10)
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deco_state = (deco_dbg_reg & DESC_DBG_DECO_STAT_MASK) >>
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DESC_DBG_DECO_STAT_SHIFT;
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else
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deco_state = (rd_reg32(&deco->dbg_exec) &
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DESC_DER_DECO_STAT_MASK) >>
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DESC_DER_DECO_STAT_SHIFT;
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/*
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* If an error occured in the descriptor, then
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* the DECO status field will be set to 0x0D
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*/
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if ((deco_dbg_reg & DESC_DBG_DECO_STAT_MASK) ==
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DESC_DBG_DECO_STAT_HOST_ERR)
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if (deco_state == DECO_STAT_HOST_ERR)
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break;
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cpu_relax();
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} while ((deco_dbg_reg & DESC_DBG_DECO_STAT_VALID) && --timeout);
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@ -491,7 +501,7 @@ static int caam_probe(struct platform_device *pdev)
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struct caam_perfmon *perfmon;
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#endif
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u32 scfgr, comp_params;
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u32 cha_vid_ls;
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u8 rng_vid;
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int pg_size;
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int BLOCK_OFFSET = 0;
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@ -733,15 +743,19 @@ static int caam_probe(struct platform_device *pdev)
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goto caam_remove;
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}
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cha_vid_ls = rd_reg32(&ctrl->perfmon.cha_id_ls);
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if (ctrlpriv->era < 10)
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rng_vid = (rd_reg32(&ctrl->perfmon.cha_id_ls) &
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CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT;
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else
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rng_vid = (rd_reg32(&ctrl->vreg.rng) & CHA_VER_VID_MASK) >>
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CHA_VER_VID_SHIFT;
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/*
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* If SEC has RNG version >= 4 and RNG state handle has not been
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* already instantiated, do RNG instantiation
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* In case of SoCs with Management Complex, RNG is managed by MC f/w.
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*/
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if (!ctrlpriv->mc_en &&
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(cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) {
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if (!ctrlpriv->mc_en && rng_vid >= 4) {
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ctrlpriv->rng4_sh_init =
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rd_reg32(&ctrl->r4tst[0].rdsta);
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/*
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@ -4,6 +4,7 @@
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* Definitions to support CAAM descriptor instruction generation
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*
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* Copyright 2008-2011 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*/
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#ifndef DESC_H
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@ -1133,6 +1134,12 @@
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#define OP_ALG_TYPE_CLASS1 (2 << OP_ALG_TYPE_SHIFT)
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#define OP_ALG_TYPE_CLASS2 (4 << OP_ALG_TYPE_SHIFT)
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/* version register fields */
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#define OP_VER_CCHA_NUM 0x000000ff /* Number CCHAs instantiated */
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#define OP_VER_CCHA_MISC 0x0000ff00 /* CCHA Miscellaneous Information */
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#define OP_VER_CCHA_REV 0x00ff0000 /* CCHA Revision Number */
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#define OP_VER_CCHA_VID 0xff000000 /* CCHA Version ID */
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#define OP_ALG_ALGSEL_SHIFT 16
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#define OP_ALG_ALGSEL_MASK (0xff << OP_ALG_ALGSEL_SHIFT)
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#define OP_ALG_ALGSEL_SUBMASK (0x0f << OP_ALG_ALGSEL_SHIFT)
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@ -3,6 +3,7 @@
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* CAAM hardware register-level view
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*
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* Copyright 2008-2011 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*/
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#ifndef REGS_H
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@ -211,6 +212,47 @@ struct jr_outentry {
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u32 jrstatus; /* Status for completed descriptor */
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} __packed;
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/* Version registers (Era 10+) e80-eff */
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struct version_regs {
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u32 crca; /* CRCA_VERSION */
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u32 afha; /* AFHA_VERSION */
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u32 kfha; /* KFHA_VERSION */
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u32 pkha; /* PKHA_VERSION */
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u32 aesa; /* AESA_VERSION */
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u32 mdha; /* MDHA_VERSION */
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u32 desa; /* DESA_VERSION */
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u32 snw8a; /* SNW8A_VERSION */
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u32 snw9a; /* SNW9A_VERSION */
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u32 zuce; /* ZUCE_VERSION */
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u32 zuca; /* ZUCA_VERSION */
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||||
u32 ccha; /* CCHA_VERSION */
|
||||
u32 ptha; /* PTHA_VERSION */
|
||||
u32 rng; /* RNG_VERSION */
|
||||
u32 trng; /* TRNG_VERSION */
|
||||
u32 aaha; /* AAHA_VERSION */
|
||||
u32 rsvd[10];
|
||||
u32 sr; /* SR_VERSION */
|
||||
u32 dma; /* DMA_VERSION */
|
||||
u32 ai; /* AI_VERSION */
|
||||
u32 qi; /* QI_VERSION */
|
||||
u32 jr; /* JR_VERSION */
|
||||
u32 deco; /* DECO_VERSION */
|
||||
};
|
||||
|
||||
/* Version registers bitfields */
|
||||
|
||||
/* Number of CHAs instantiated */
|
||||
#define CHA_VER_NUM_MASK 0xffull
|
||||
/* CHA Miscellaneous Information */
|
||||
#define CHA_VER_MISC_SHIFT 8
|
||||
#define CHA_VER_MISC_MASK (0xffull << CHA_VER_MISC_SHIFT)
|
||||
/* CHA Revision Number */
|
||||
#define CHA_VER_REV_SHIFT 16
|
||||
#define CHA_VER_REV_MASK (0xffull << CHA_VER_REV_SHIFT)
|
||||
/* CHA Version ID */
|
||||
#define CHA_VER_VID_SHIFT 24
|
||||
#define CHA_VER_VID_MASK (0xffull << CHA_VER_VID_SHIFT)
|
||||
|
||||
/*
|
||||
* caam_perfmon - Performance Monitor/Secure Memory Status/
|
||||
* CAAM Global Status/Component Version IDs
|
||||
|
|
@ -223,15 +265,13 @@ struct jr_outentry {
|
|||
#define CHA_NUM_MS_DECONUM_MASK (0xfull << CHA_NUM_MS_DECONUM_SHIFT)
|
||||
|
||||
/*
|
||||
* CHA version IDs / instantiation bitfields
|
||||
* CHA version IDs / instantiation bitfields (< Era 10)
|
||||
* Defined for use with the cha_id fields in perfmon, but the same shift/mask
|
||||
* selectors can be used to pull out the number of instantiated blocks within
|
||||
* cha_num fields in perfmon because the locations are the same.
|
||||
*/
|
||||
#define CHA_ID_LS_AES_SHIFT 0
|
||||
#define CHA_ID_LS_AES_MASK (0xfull << CHA_ID_LS_AES_SHIFT)
|
||||
#define CHA_ID_LS_AES_LP (0x3ull << CHA_ID_LS_AES_SHIFT)
|
||||
#define CHA_ID_LS_AES_HP (0x4ull << CHA_ID_LS_AES_SHIFT)
|
||||
|
||||
#define CHA_ID_LS_DES_SHIFT 4
|
||||
#define CHA_ID_LS_DES_MASK (0xfull << CHA_ID_LS_DES_SHIFT)
|
||||
|
|
@ -241,9 +281,6 @@ struct jr_outentry {
|
|||
|
||||
#define CHA_ID_LS_MD_SHIFT 12
|
||||
#define CHA_ID_LS_MD_MASK (0xfull << CHA_ID_LS_MD_SHIFT)
|
||||
#define CHA_ID_LS_MD_LP256 (0x0ull << CHA_ID_LS_MD_SHIFT)
|
||||
#define CHA_ID_LS_MD_LP512 (0x1ull << CHA_ID_LS_MD_SHIFT)
|
||||
#define CHA_ID_LS_MD_HP (0x2ull << CHA_ID_LS_MD_SHIFT)
|
||||
|
||||
#define CHA_ID_LS_RNG_SHIFT 16
|
||||
#define CHA_ID_LS_RNG_MASK (0xfull << CHA_ID_LS_RNG_SHIFT)
|
||||
|
|
@ -269,6 +306,13 @@ struct jr_outentry {
|
|||
#define CHA_ID_MS_JR_SHIFT 28
|
||||
#define CHA_ID_MS_JR_MASK (0xfull << CHA_ID_MS_JR_SHIFT)
|
||||
|
||||
/* Specific CHA version IDs */
|
||||
#define CHA_VER_VID_AES_LP 0x3ull
|
||||
#define CHA_VER_VID_AES_HP 0x4ull
|
||||
#define CHA_VER_VID_MD_LP256 0x0ull
|
||||
#define CHA_VER_VID_MD_LP512 0x1ull
|
||||
#define CHA_VER_VID_MD_HP 0x2ull
|
||||
|
||||
struct sec_vid {
|
||||
u16 ip_id;
|
||||
u8 maj_rev;
|
||||
|
|
@ -479,8 +523,10 @@ struct caam_ctrl {
|
|||
struct rng4tst r4tst[2];
|
||||
};
|
||||
|
||||
u32 rsvd9[448];
|
||||
u32 rsvd9[416];
|
||||
|
||||
/* Version registers - introduced with era 10 e80-eff */
|
||||
struct version_regs vreg;
|
||||
/* Performance Monitor f00-fff */
|
||||
struct caam_perfmon perfmon;
|
||||
};
|
||||
|
|
@ -570,8 +616,10 @@ struct caam_job_ring {
|
|||
u32 rsvd11;
|
||||
u32 jrcommand; /* JRCRx - JobR command */
|
||||
|
||||
u32 rsvd12[932];
|
||||
u32 rsvd12[900];
|
||||
|
||||
/* Version registers - introduced with era 10 e80-eff */
|
||||
struct version_regs vreg;
|
||||
/* Performance Monitor f00-fff */
|
||||
struct caam_perfmon perfmon;
|
||||
};
|
||||
|
|
@ -878,13 +926,19 @@ struct caam_deco {
|
|||
u32 rsvd29[48];
|
||||
u32 descbuf[64]; /* DxDESB - Descriptor buffer */
|
||||
u32 rscvd30[193];
|
||||
#define DESC_DBG_DECO_STAT_HOST_ERR 0x00D00000
|
||||
#define DESC_DBG_DECO_STAT_VALID 0x80000000
|
||||
#define DESC_DBG_DECO_STAT_MASK 0x00F00000
|
||||
#define DESC_DBG_DECO_STAT_SHIFT 20
|
||||
u32 desc_dbg; /* DxDDR - DECO Debug Register */
|
||||
u32 rsvd31[126];
|
||||
u32 rsvd31[13];
|
||||
#define DESC_DER_DECO_STAT_MASK 0x000F0000
|
||||
#define DESC_DER_DECO_STAT_SHIFT 16
|
||||
u32 dbg_exec; /* DxDER - DECO Debug Exec Register */
|
||||
u32 rsvd32[112];
|
||||
};
|
||||
|
||||
#define DECO_STAT_HOST_ERR 0xD
|
||||
|
||||
#define DECO_JQCR_WHL 0x20000000
|
||||
#define DECO_JQCR_FOUR 0x10000000
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue