diff options
author | Franck LENORMAND <franck.lenormand@nxp.com> | 2018-07-03 13:27:23 +0200 |
---|---|---|
committer | Jason Liu <jason.hui.liu@nxp.com> | 2018-10-29 11:10:38 +0800 |
commit | afa53c2c96a54b4432a26372e3b5e7dbccbb9671 (patch) | |
tree | 999e8995e66ac0bb3a01fe95474d7b7cae088b71 /drivers/crypto | |
parent | 5fd8fe866172c38e8cd07741d98d79b995f05bc9 (diff) |
MLK-15473-1: crypto: caam: Add CAAM driver support for iMX8 soc family
Enable CAAM driver for i.MX8 family:
- Use a Job ring for RNG instantiation rather than DECO, even
for i.MX6/7 families.
- Use of aliased CAAM registers instead of original registers in page 0
since page 0 is no more accessible in i.MX8 family except mScale.
Signed-off-by: Aymen Sghaier <aymen.sghaier@nxp.com>
Diffstat (limited to 'drivers/crypto')
-rw-r--r-- | drivers/crypto/caam/caamalg.c | 10 | ||||
-rw-r--r-- | drivers/crypto/caam/caamhash.c | 12 | ||||
-rw-r--r-- | drivers/crypto/caam/caampkc.c | 10 | ||||
-rw-r--r-- | drivers/crypto/caam/caamrng.c | 10 | ||||
-rw-r--r-- | drivers/crypto/caam/ctrl.c | 712 | ||||
-rw-r--r-- | drivers/crypto/caam/desc_constr.h | 28 | ||||
-rw-r--r-- | drivers/crypto/caam/intern.h | 24 | ||||
-rw-r--r-- | drivers/crypto/caam/jr.c | 2 | ||||
-rw-r--r-- | drivers/crypto/caam/regs.h | 9 |
9 files changed, 492 insertions, 325 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 0ab46c6a1fe0..94f002125f2b 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -3546,8 +3546,14 @@ static int __init caam_algapi_init(void) * Register crypto algorithms the device supports. * First, detect presence and attributes of DES, AES, and MD blocks. */ - cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); - cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + if (priv->has_seco) { + i = priv->first_jr_index; + cha_vid = rd_reg32(&priv->jr[i]->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->jr[i]->perfmon.cha_num_ls); + } else { + cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + } des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >> CHA_ID_LS_DES_SHIFT; aes_inst = (cha_inst & CHA_ID_LS_AES_MASK) >> CHA_ID_LS_AES_SHIFT; md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT; diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 4ba4b7e50e35..09865226d9a9 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -1,7 +1,7 @@ /* * caam - Freescale FSL CAAM support for ahash functions of crypto API * - * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright (C) 2017 Freescale Semiconductor, Inc. * * Based on caamalg.c crypto API driver. * @@ -2146,8 +2146,14 @@ static int __init caam_algapi_hash_init(void) * Register crypto algorithms the device supports. First, identify * presence and attributes of MD block. */ - cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); - cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + if (priv->has_seco) { + i = priv->first_jr_index; + cha_vid = rd_reg32(&priv->jr[i]->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->jr[i]->perfmon.cha_num_ls); + } else { + cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + } /* * Skip registration of any hashing algorithms if MD block diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 6f3f81bb880b..39396a0eebdf 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -1,7 +1,7 @@ /* * caam - Freescale FSL CAAM support for Public Key Cryptography * - * Copyright 2016 Freescale Semiconductor, Inc. + * Copyright (C) 2017 Freescale Semiconductor, Inc. * * There is no Shared Descriptor for PKC so that the Job Descriptor must carry * all the desired key parameters, input and output pointers. @@ -1051,7 +1051,13 @@ 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); + if (priv->has_seco) { + int i = priv->first_jr_index; + + cha_inst = rd_reg32(&priv->jr[i]->perfmon.cha_num_ls); + } else { + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + } pk_inst = (cha_inst & CHA_ID_LS_PK_MASK) >> CHA_ID_LS_PK_SHIFT; /* Do not register algorithms if PKHA is not present. */ diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index d354e6e88317..47dc537cecf8 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -352,6 +352,7 @@ static int __init caam_rng_init(void) struct device *ctrldev; struct caam_drv_private *priv; int err; + u32 cha_inst; dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); if (!dev_node) { @@ -378,7 +379,14 @@ static int __init caam_rng_init(void) return -ENODEV; /* Check for an instantiated RNG before registration */ - if (!(rd_reg32(&priv->ctrl->perfmon.cha_num_ls) & CHA_ID_LS_RNG_MASK)) + if (priv->has_seco) { + int i = priv->first_jr_index; + + cha_inst = rd_reg32(&priv->jr[i]->perfmon.cha_num_ls); + } else { + cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls); + } + if (!(cha_inst & CHA_ID_LS_RNG_MASK)) return -ENODEV; dev = caam_jr_alloc(); diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index e5ad56659bc4..354f7a1ebcb1 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -1,7 +1,7 @@ /* * CAAM control-plane driver backend * Controller-level driver, kernel property detection, initialization * - * Copyright 2008-2012 Freescale Semiconductor, Inc. + * Copyright 2008-2017 Freescale Semiconductor, Inc. */ #include <linux/device.h> @@ -28,6 +28,18 @@ EXPORT_SYMBOL(caam_imx); #include "qi.h" #endif +static int caam_remove(struct platform_device *pdev); +static void detect_era(struct caam_drv_private *ctrlpriv); +static void handle_imx6_err005766(struct caam_drv_private *ctrlpriv); +static int caam_probe(struct platform_device *pdev); +static void init_debugfs(struct caam_drv_private *ctrlpriv); +static int init_clocks(struct caam_drv_private *ctrlpriv); +static void check_virt(struct caam_drv_private *ctrlpriv, u32 comp_params); +static int enable_jobrings(struct caam_drv_private *ctrlpriv, int block_offset); +static void enable_qi(struct caam_drv_private *ctrlpriv, int block_offset); +static int read_first_jr_index(struct caam_drv_private *ctrlpriv); +static int probe_w_seco(struct caam_drv_private *ctrlpriv); + /* * i.MX targets tend to have clock control subsystems that can * enable/disable clocking to our device. @@ -83,6 +95,7 @@ static void detect_era(struct caam_drv_private *ctrlpriv) char *era_source; struct device_node *caam_node; struct sec_vid sec_vid; + struct device *dev = ctrlpriv->dev; static const struct { u16 ip_id; u8 maj_rev; @@ -126,17 +139,24 @@ static void detect_era(struct caam_drv_private *ctrlpriv) goto era_found; } + i = ctrlpriv->first_jr_index; /* If ccbvid has the era, use that (era 6 and onwards) */ - caam_era = rd_reg32(&ctrlpriv->ctrl->perfmon.ccb_id); - caam_era = caam_era >> CCB_VID_ERA_SHIFT & CCB_VID_ERA_MASK; + if (ctrlpriv->has_seco) + caam_era = rd_reg32(&ctrlpriv->jr[i]->perfmon.ccb_id); + else + caam_era = rd_reg32(&ctrlpriv->ctrl->perfmon.ccb_id); + caam_era = caam_era >> CCB_VID_ERA_SHIFT & CCB_VID_ERA_MASK; if (caam_era) { era_source = "CCBVID"; goto era_found; } /* If we can match caamvid to known versions, use that */ - caam_id_ms = rd_reg32(&ctrlpriv->ctrl->perfmon.caam_id_ms); + if (ctrlpriv->has_seco) + caam_id_ms = rd_reg32(&ctrlpriv->jr[i]->perfmon.caam_id_ms); + else + caam_id_ms = rd_reg32(&ctrlpriv->ctrl->perfmon.caam_id_ms); sec_vid.ip_id = caam_id_ms >> SEC_VID_IPID_SHIFT; sec_vid.maj_rev = (caam_id_ms & SEC_VID_MAJ_MASK) >> SEC_VID_MAJ_SHIFT; @@ -149,11 +169,12 @@ static void detect_era(struct caam_drv_private *ctrlpriv) } ctrlpriv->era = -ENOTSUPP; + dev_info(dev, "ERA undetermined!.\n"); return; era_found: ctrlpriv->era = caam_era; - pr_info("ERA source: %s.\n", era_source); + dev_info(dev, "ERA source: %s.\n", era_source); } static void handle_imx6_err005766(struct caam_drv_private *ctrlpriv) @@ -176,7 +197,8 @@ static void handle_imx6_err005766(struct caam_drv_private *ctrlpriv) if (of_machine_is_compatible("fsl,imx6q") || of_machine_is_compatible("fsl,imx6dl") || of_machine_is_compatible("fsl,imx6qp")) { - pr_info("AXI pipeline throttling enabled.\n"); + dev_info(&ctrlpriv->pdev->dev, + "AXI pipeline throttling enabled.\n"); mcr_val = rd_reg32(&ctrlpriv->ctrl->mcr); wr_reg32(&ctrlpriv->ctrl->mcr, (mcr_val & ~(MCFGR_AXIPIPE_MASK)) | @@ -184,184 +206,184 @@ static void handle_imx6_err005766(struct caam_drv_private *ctrlpriv) } } -static const struct of_device_id caam_match[] = { - { - .compatible = "fsl,sec-v4.0", - }, - { - .compatible = "fsl,sec4.0", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, caam_match); - -/* Probe routine for CAAM top (controller) level */ -static int caam_probe(struct platform_device *pdev) +static void init_debugfs(struct caam_drv_private *ctrlpriv) { - int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; - u64 caam_id; - static const struct soc_device_attribute imx_soc[] = { - {.family = "Freescale i.MX"}, - {}, - }; - struct device *dev; - struct device_node *nprop, *np; - struct caam_ctrl __iomem *ctrl; - struct caam_drv_private *ctrlpriv; - struct clk *clk; #ifdef CONFIG_DEBUG_FS struct caam_perfmon *perfmon; -#endif - u32 scfgr, comp_params; - u32 cha_vid_ls; - int pg_size; - int BLOCK_OFFSET = 0; - ctrlpriv = devm_kzalloc(&pdev->dev, sizeof(*ctrlpriv), GFP_KERNEL); - if (!ctrlpriv) { - ret = -ENOMEM; - goto exit; - } + /* + * FIXME: needs better naming distinction, as some amalgamation of + * "caam" and nprop->full_name. The OF name isn't distinctive, + * but does separate instances + */ + perfmon = (struct caam_perfmon __force *)&ctrlpriv->ctrl->perfmon; - dev = &pdev->dev; - dev_set_drvdata(dev, ctrlpriv); - nprop = pdev->dev.of_node; + ctrlpriv->dfs_root = debugfs_create_dir(dev_name(ctrlpriv->dev), NULL); + ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); - caam_imx = (bool)soc_device_match(imx_soc); + /* Controller-level - performance monitor counters */ + + ctrlpriv->ctl_rq_dequeued = + debugfs_create_file("rq_dequeued", + 0444, + ctrlpriv->ctl, &perfmon->req_dequeued, + &caam_fops_u64_ro); + ctrlpriv->ctl_ob_enc_req = + debugfs_create_file("ob_rq_encrypted", + 0444, + ctrlpriv->ctl, &perfmon->ob_enc_req, + &caam_fops_u64_ro); + ctrlpriv->ctl_ib_dec_req = + debugfs_create_file("ib_rq_decrypted", + 0444, + ctrlpriv->ctl, &perfmon->ib_dec_req, + &caam_fops_u64_ro); + ctrlpriv->ctl_ob_enc_bytes = + debugfs_create_file("ob_bytes_encrypted", + 0444, + ctrlpriv->ctl, &perfmon->ob_enc_bytes, + &caam_fops_u64_ro); + ctrlpriv->ctl_ob_prot_bytes = + debugfs_create_file("ob_bytes_protected", + 0444, + ctrlpriv->ctl, &perfmon->ob_prot_bytes, + &caam_fops_u64_ro); + ctrlpriv->ctl_ib_dec_bytes = + debugfs_create_file("ib_bytes_decrypted", + 0444, + ctrlpriv->ctl, &perfmon->ib_dec_bytes, + &caam_fops_u64_ro); + ctrlpriv->ctl_ib_valid_bytes = + debugfs_create_file("ib_bytes_validated", + 0444, + ctrlpriv->ctl, &perfmon->ib_valid_bytes, + &caam_fops_u64_ro); + + /* Controller level - global status values */ + ctrlpriv->ctl_faultaddr = + debugfs_create_file("fault_addr", + 0444, + ctrlpriv->ctl, &perfmon->faultaddr, + &caam_fops_u32_ro); + ctrlpriv->ctl_faultdetail = + debugfs_create_file("fault_detail", + 0444, + ctrlpriv->ctl, &perfmon->faultdetail, + &caam_fops_u32_ro); + ctrlpriv->ctl_faultstatus = + debugfs_create_file("fault_status", + 0444, + ctrlpriv->ctl, &perfmon->status, + &caam_fops_u32_ro); + + /* Internal covering keys (useful in non-secure mode only) */ + ctrlpriv->ctl_kek_wrap.data = &ctrlpriv->ctrl->kek[0]; + ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_kek = debugfs_create_blob("kek", + 0444, + ctrlpriv->ctl, + &ctrlpriv->ctl_kek_wrap); + + ctrlpriv->ctl_tkek_wrap.data = &ctrlpriv->ctrl->tkek[0]; + ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_tkek = debugfs_create_blob("tkek", + 0444, + ctrlpriv->ctl, + &ctrlpriv->ctl_tkek_wrap); + + ctrlpriv->ctl_tdsk_wrap.data = &ctrlpriv->ctrl->tdsk[0]; + ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); + ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk", + 0444, + ctrlpriv->ctl, + &ctrlpriv->ctl_tdsk_wrap); +#endif +} + +static int init_clocks(struct caam_drv_private *ctrlpriv) +{ + struct clk *clk; + struct device *dev = ctrlpriv->dev; + int ret = 0; /* Enable clocking */ - clk = caam_drv_identify_clk(&pdev->dev, "ipg"); + clk = caam_drv_identify_clk(dev, "ipg"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - dev_err(&pdev->dev, "can't identify CAAM ipg clk: %d\n", ret); - goto release_ctrlpriv; + dev_err(dev, "can't identify CAAM ipg clk: %d\n", ret); + return ret; } ctrlpriv->caam_ipg = clk; ret = clk_prepare_enable(ctrlpriv->caam_ipg); if (ret < 0) { - dev_err(&pdev->dev, "can't enable CAAM ipg clock: %d\n", ret); - goto release_ctrlpriv; + dev_err(dev, "can't enable CAAM ipg clock: %d\n", ret); + return ret; } - clk = caam_drv_identify_clk(&pdev->dev, "aclk"); + clk = caam_drv_identify_clk(dev, "aclk"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - dev_err(&pdev->dev, - "can't identify CAAM aclk clk: %d\n", ret); - goto disable_caam_ipg; + dev_err(dev, "can't identify CAAM aclk clk: %d\n", ret); + return ret; } ctrlpriv->caam_aclk = clk; ret = clk_prepare_enable(ctrlpriv->caam_aclk); if (ret < 0) { - dev_err(&pdev->dev, "can't enable CAAM aclk clock: %d\n", ret); - goto disable_caam_ipg; + dev_err(dev, "can't enable CAAM aclk clock: %d\n", ret); + return ret; } if (!(of_find_compatible_node(NULL, NULL, "fsl,imx7d-caam"))) { - clk = caam_drv_identify_clk(&pdev->dev, "mem"); + clk = caam_drv_identify_clk(dev, "mem"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - dev_err(&pdev->dev, - "can't identify CAAM mem clk: %d\n", ret); - goto disable_caam_aclk; + dev_err(dev, "can't identify CAAM mem clk: %d\n", ret); + return ret; } ctrlpriv->caam_mem = clk; ret = clk_prepare_enable(ctrlpriv->caam_mem); if (ret < 0) { - dev_err(&pdev->dev, "can't enable CAAM secure mem clock: %d\n", + dev_err(dev, "can't enable CAAM secure mem clock: %d\n", ret); - goto disable_caam_aclk; + return ret; } if (!(of_find_compatible_node(NULL, NULL, "fsl,imx6ul-caam"))) { - clk = caam_drv_identify_clk(&pdev->dev, "emi_slow"); + clk = caam_drv_identify_clk(dev, "emi_slow"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - dev_err(&pdev->dev, + dev_err(dev, "can't identify CAAM emi_slow clk: %d\n", ret); - goto disable_caam_mem; + return ret; } ctrlpriv->caam_emi_slow = clk; ret = clk_prepare_enable(ctrlpriv->caam_emi_slow); if (ret < 0) { - dev_err(&pdev->dev, "can't enable CAAM emi slow clock: %d\n", + dev_err(dev, + "can't enable CAAM emi slow clock: %d\n", ret); - goto disable_caam_mem; + return ret; } } } - /* Get configuration properties from device tree */ - /* First, get register page */ - ctrl = of_iomap(nprop, 0); - if (ctrl == NULL) { - dev_err(dev, "caam: of_iomap() failed\n"); - ret = -ENOMEM; - goto disable_caam_emi_slow; - } - - caam_little_end = !(bool)(rd_reg32(&ctrl->perfmon.status) & - (CSTA_PLEND | CSTA_ALT_PLEND)); - - /* Finding the page size for using the CTPR_MS register */ - comp_params = rd_reg32(&ctrl->perfmon.comp_parms_ms); - pg_size = (comp_params & CTPR_MS_PG_SZ_MASK) >> CTPR_MS_PG_SZ_SHIFT; - - /* Allocating the BLOCK_OFFSET based on the supported page size on - * the platform - */ - if (pg_size == 0) - BLOCK_OFFSET = PG_SIZE_4K; - else - BLOCK_OFFSET = PG_SIZE_64K; - - ctrlpriv->ctrl = (struct caam_ctrl __iomem __force *)ctrl; - ctrlpriv->assure = (struct caam_assurance __iomem __force *) - ((__force uint8_t *)ctrl + - BLOCK_OFFSET * ASSURE_BLOCK_NUMBER - ); - ctrlpriv->deco = (struct caam_deco __iomem __force *) - ((__force uint8_t *)ctrl + - BLOCK_OFFSET * DECO_BLOCK_NUMBER - ); - - detect_era(ctrlpriv); - - /* Get CAAM-SM node and of_iomap() and save */ - np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-caam-sm"); - - if (!np) - return -ENODEV; - - ctrlpriv->sm_base = of_iomap(np, 0); - ctrlpriv->sm_size = 0x3fff; - - /* - * Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel, - * long pointers in master configuration register. - * In case of DPAA 2.x, Management Complex firmware performs - * the configuration. - */ - caam_dpaa2 = !!(comp_params & CTPR_MS_DPAA2); - if (!caam_dpaa2) - clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK | MCFGR_LONG_PTR, - MCFGR_AWCACHE_CACH | MCFGR_AWCACHE_BUFF | - MCFGR_WDENABLE | MCFGR_LARGE_BURST | - (sizeof(dma_addr_t) == sizeof(u64) ? - MCFGR_LONG_PTR : 0)); - - handle_imx6_err005766(ctrlpriv); + return ret; +} +static void check_virt(struct caam_drv_private *ctrlpriv, u32 comp_params) +{ /* - * Read the Compile Time paramters and SCFGR to determine + * Read the Compile Time parameters and SCFGR to determine * if Virtualization is enabled for this platform */ - scfgr = rd_reg32(&ctrl->scfgr); + u32 scfgr; + + scfgr = rd_reg32(&ctrlpriv->ctrl->scfgr); ctrlpriv->virt_en = 0; if (comp_params & CTPR_MS_VIRT_EN_INCL) { @@ -371,38 +393,25 @@ static int caam_probe(struct platform_device *pdev) if ((comp_params & CTPR_MS_VIRT_EN_POR) || (!(comp_params & CTPR_MS_VIRT_EN_POR) && (scfgr & SCFGR_VIRT_EN))) - ctrlpriv->virt_en = 1; + ctrlpriv->virt_en = 1; } else { /* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */ if (comp_params & CTPR_MS_VIRT_EN_POR) - ctrlpriv->virt_en = 1; + ctrlpriv->virt_en = 1; } if (ctrlpriv->virt_en == 1) - clrsetbits_32(&ctrl->jrstart, 0, JRSTART_JR0_START | + clrsetbits_32(&ctrlpriv->ctrl->jrstart, 0, JRSTART_JR0_START | JRSTART_JR1_START | JRSTART_JR2_START | JRSTART_JR3_START); +} - if (sizeof(dma_addr_t) == sizeof(u64)) { - if (caam_dpaa2) - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(49)); - else if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); - else - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36)); - } else { - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); - } - if (ret) { - dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n", ret); - goto iounmap_ctrl; - } - - ret = of_platform_populate(nprop, caam_match, NULL, dev); - if (ret) { - dev_err(dev, "JR platform devices creation error\n"); - goto iounmap_ctrl; - } +static int enable_jobrings(struct caam_drv_private *ctrlpriv, int block_offset) +{ + int ring; + int ret; + struct device_node *nprop, *np; + struct device *dev = ctrlpriv->dev; #ifdef CONFIG_DEBUG_FS /* @@ -410,32 +419,45 @@ static int caam_probe(struct platform_device *pdev) * "caam" and nprop->full_name. The OF name isn't distinctive, * but does separate instances */ - perfmon = (struct caam_perfmon __force *)&ctrl->perfmon; ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL); ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); #endif + nprop = ctrlpriv->pdev->dev.of_node; + ret = of_platform_populate(nprop, NULL, NULL, dev); + if (ret) { + dev_err(dev, "JR platform devices creation error\n"); + return -ENOMEM; + } + ring = 0; for_each_available_child_of_node(nprop, np) if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || of_device_is_compatible(np, "fsl,sec4.0-job-ring")) { ctrlpriv->jr[ring] = (struct caam_job_ring __iomem __force *) - ((__force uint8_t *)ctrl + + (ctrlpriv->ctrl + (ring + JR_BLOCK_NUMBER) * - BLOCK_OFFSET - ); + block_offset); ctrlpriv->total_jobrs++; ring++; } + return 0; +} + +static void enable_qi(struct caam_drv_private *ctrlpriv, int block_offset) +{ + u32 parms_ms = rd_reg32(&ctrlpriv->ctrl->perfmon.comp_parms_ms); + /* Check to see if (DPAA 1.x) QI present. If so, enable */ - ctrlpriv->qi_present = !!(comp_params & CTPR_MS_QI_MASK); + ctrlpriv->qi_present = !!(parms_ms & CTPR_MS_QI_MASK); if (ctrlpriv->qi_present && !caam_dpaa2) { ctrlpriv->qi = (struct caam_queue_if __iomem __force *) - ((__force uint8_t *)ctrl + - BLOCK_OFFSET * QI_BLOCK_NUMBER + ((__force uint8_t *)ctrlpriv->ctrl + + block_offset * QI_BLOCK_NUMBER ); + /* This is all that's required to physically enable QI */ wr_reg32(&ctrlpriv->qi->qi_control_lo, QICTL_DQEN); @@ -446,86 +468,152 @@ static int caam_probe(struct platform_device *pdev) dev_err(dev, "caam qi i/f init failed: %d\n", ret); #endif } +} - /* If no QI and no rings specified, quit and go home */ - if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { - dev_err(dev, "no queues configured, terminating\n"); - ret = -ENOMEM; - goto caam_remove; +static int read_first_jr_index(struct caam_drv_private *ctrlpriv) +{ + struct device_node *caam_node; + int ret; + u32 first_index; + + caam_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); + ret = of_property_read_u32(caam_node, + "fsl,first-jr-index", &first_index); + of_node_put(caam_node); + if (ret == 0) + if (first_index > 0 && first_index < 4) + ctrlpriv->first_jr_index = first_index; + return ret; +} + +static int probe_w_seco(struct caam_drv_private *ctrlpriv) +{ + int ret = 0; + struct device_node *np; + u32 idx, status; + + ctrlpriv->has_seco = true; + /* + * For imx8 page size is 64k, we can't access ctrl regs to dynamically + * obtain this info. + */ + ret = enable_jobrings(ctrlpriv, PG_SIZE_64K); + if (ret) + return ret; + if (!ctrlpriv->total_jobrs) { + dev_err(ctrlpriv->dev, "no job rings configured!\n"); + return -ENODEV; + } + + /* + * Read first job ring index for aliased registers + */ + if (read_first_jr_index(ctrlpriv)) { + dev_err(ctrlpriv->dev, "missing first job ring index!\n"); + return -ENODEV; } + idx = ctrlpriv->first_jr_index; + status = rd_reg32(&ctrlpriv->jr[idx]->perfmon.status); + caam_little_end = !(bool)(status & (CSTA_PLEND | CSTA_ALT_PLEND)); + ctrlpriv->assure = ((struct caam_assurance __force *) + ((uint8_t *)ctrlpriv->ctrl + + PG_SIZE_64K * ASSURE_BLOCK_NUMBER)); + ctrlpriv->deco = ((struct caam_deco __force *) + ((uint8_t *)ctrlpriv->ctrl + + PG_SIZE_64K * DECO_BLOCK_NUMBER)); + + detect_era(ctrlpriv); + + /* Get CAAM-SM node and of_iomap() and save */ + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-caam-sm"); + if (!np) { + dev_warn(ctrlpriv->dev, "No CAAM-SM node found!\n"); + return -ENODEV; + } + + ctrlpriv->sm_base = of_iomap(np, 0); + ctrlpriv->sm_size = 0x3fff; - cha_vid_ls = rd_reg32(&ctrl->perfmon.cha_id_ls); + /* Can't enable DECO WD and LPs those are in MCR */ /* - * If SEC has RNG version >= 4 and RNG state handle has not been - * already instantiated, do RNG instantiation - * In case of DPAA 2.x, RNG is managed by MC firmware. + * can't check for virtualization because we need access to SCFGR for it */ - if (!caam_dpaa2 && - (cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) { - ctrlpriv->rng4_sh_init = - rd_reg32(&ctrl->r4tst[0].rdsta); - /* - * If the secure keys (TDKEK, JDKEK, TDSK), were already - * generated, signal this to the function that is instantiating - * the state handles. An error would occur if RNG4 attempts - * to regenerate these keys before the next POR. - */ - gen_sk = ctrlpriv->rng4_sh_init & RDSTA_SKVN ? 0 : 1; - ctrlpriv->rng4_sh_init &= RDSTA_IFMASK; - do { - int inst_handles = - rd_reg32(&ctrl->r4tst[0].rdsta) & - RDSTA_IFMASK; - /* - * If either SH were instantiated by somebody else - * (e.g. u-boot) then it is assumed that the entropy - * parameters are properly set and thus the function - * setting these (kick_trng(...)) is skipped. - * Also, if a handle was instantiated, do not change - * the TRNG parameters. - */ - if (!(ctrlpriv->rng4_sh_init || inst_handles)) { - dev_info(dev, - "Entropy delay = %u\n", - ent_delay); - kick_trng(pdev, ent_delay); - ent_delay += 400; - } - /* - * if instantiate_rng(...) fails, the loop will rerun - * and the kick_trng(...) function will modfiy the - * upper and lower limits of the entropy sampling - * interval, leading to a sucessful initialization of - * the RNG. - */ - ret = instantiate_rng(dev, inst_handles, - gen_sk); - if (ret == -EAGAIN) - /* - * if here, the loop will rerun, - * so don't hog the CPU - */ - cpu_relax(); - } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); - if (ret) { - dev_err(dev, "failed to instantiate RNG"); - goto caam_remove; - } - /* - * Set handles init'ed by this module as the complement of the - * already initialized ones - */ - ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_IFMASK; - /* Enable RDB bit so that RNG works faster */ - clrsetbits_32(&ctrl->scfgr, 0, SCFGR_RDBENABLE); + /* Set DMA masks according to platform ranging */ + if (sizeof(dma_addr_t) == sizeof(u64)) + if (of_device_is_compatible(ctrlpriv->pdev->dev.of_node, + "fsl,sec-v5.0")) + dma_set_mask_and_coherent(ctrlpriv->dev, + DMA_BIT_MASK(40)); + else + dma_set_mask_and_coherent(ctrlpriv->dev, + DMA_BIT_MASK(36)); + else + dma_set_mask_and_coherent(ctrlpriv->dev, DMA_BIT_MASK(32)); + + /* + * this is where we should run the descriptor for DRNG init + * TRNG must be initialized by SECO + */ + return ret; +} + +/* Probe routine for CAAM top (controller) level */ +static int caam_probe(struct platform_device *pdev) +{ + int ret; + u64 caam_id; + static const struct soc_device_attribute imx_soc[] = { + {.family = "Freescale i.MX"}, + {}, + }; + struct device *dev; + struct device_node *nprop, *np; + struct caam_ctrl __iomem *ctrl; + struct caam_drv_private *ctrlpriv; + u32 comp_params; + int pg_size; + int block_offset = 0; + + ctrlpriv = devm_kzalloc(&pdev->dev, sizeof(*ctrlpriv), GFP_KERNEL); + if (!ctrlpriv) + return -ENOMEM; + + dev = &pdev->dev; + dev_set_drvdata(dev, ctrlpriv); + ctrlpriv->dev = dev; + ctrlpriv->pdev = pdev; + nprop = pdev->dev.of_node; + + caam_imx = (bool)soc_device_match(imx_soc); + + if (!of_machine_is_compatible("fsl,imx8mq") && + !of_machine_is_compatible("fsl,imx8qm") && + !of_machine_is_compatible("fsl,imx8qxp")) { + ret = init_clocks(ctrlpriv); + if (ret) + goto disable_clocks; } + /* Get configuration properties from device tree */ + /* First, get register page */ + ctrl = of_iomap(nprop, 0); + if (ctrl == NULL) { + dev_err(dev, "caam: of_iomap() failed\n"); + ret = -ENOMEM; + goto disable_clocks; + } + ctrlpriv->ctrl = (struct caam_ctrl __force *)ctrl; - /* NOTE: RTIC detection ought to go here, around Si time */ + if (of_machine_is_compatible("fsl,imx8qm") || + of_machine_is_compatible("fsl,imx8qxp")) { + ret = probe_w_seco(ctrlpriv); + if (ret) + goto iounmap_ctrl; + return ret; + } - caam_id = (u64)rd_reg32(&ctrl->perfmon.caam_id_ms) << 32 | - (u64)rd_reg32(&ctrl->perfmon.caam_id_ls); + ctrlpriv->has_seco = false; dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id, ctrlpriv->era); @@ -533,65 +621,94 @@ static int caam_probe(struct platform_device *pdev) ctrlpriv->total_jobrs, ctrlpriv->qi_present, caam_dpaa2 ? "yes" : "no"); -#ifdef CONFIG_DEBUG_FS - debugfs_create_file("rq_dequeued", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->req_dequeued, - &caam_fops_u64_ro); - debugfs_create_file("ob_rq_encrypted", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_enc_req, - &caam_fops_u64_ro); - debugfs_create_file("ib_rq_decrypted", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_dec_req, - &caam_fops_u64_ro); - debugfs_create_file("ob_bytes_encrypted", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_enc_bytes, - &caam_fops_u64_ro); - debugfs_create_file("ob_bytes_protected", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_prot_bytes, - &caam_fops_u64_ro); - debugfs_create_file("ib_bytes_decrypted", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_dec_bytes, - &caam_fops_u64_ro); - debugfs_create_file("ib_bytes_validated", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_valid_bytes, - &caam_fops_u64_ro); + caam_little_end = !(bool)(rd_reg32(&ctrl->perfmon.status) & + (CSTA_PLEND | CSTA_ALT_PLEND)); - /* Controller level - global status values */ - debugfs_create_file("fault_addr", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->faultaddr, - &caam_fops_u32_ro); - debugfs_create_file("fault_detail", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->faultdetail, - &caam_fops_u32_ro); - debugfs_create_file("fault_status", S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->status, - &caam_fops_u32_ro); + /* Finding the page size for using the CTPR_MS register */ + comp_params = rd_reg32(&ctrl->perfmon.comp_parms_ms); + pg_size = (comp_params & CTPR_MS_PG_SZ_MASK) >> CTPR_MS_PG_SZ_SHIFT; - /* Internal covering keys (useful in non-secure mode only) */ - ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0]; - ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_kek = debugfs_create_blob("kek", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_kek_wrap); + /* Allocating the block_offset based on the supported page size on + * the platform + */ + if (pg_size == 0) + block_offset = PG_SIZE_4K; + else + block_offset = PG_SIZE_64K; - ctrlpriv->ctl_tkek_wrap.data = (__force void *)&ctrlpriv->ctrl->tkek[0]; - ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_tkek = debugfs_create_blob("tkek", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_tkek_wrap); + ctrlpriv->assure = (struct caam_assurance __force *) + ((uint8_t *)ctrl + + block_offset * ASSURE_BLOCK_NUMBER); + ctrlpriv->deco = (struct caam_deco __force *) + ((uint8_t *)ctrl + + block_offset * DECO_BLOCK_NUMBER); + + detect_era(ctrlpriv); + + /* Get CAAM-SM node and of_iomap() and save */ + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-caam-sm"); + if (!np) { + ret = -ENODEV; + goto disable_clocks; + } + + ctrlpriv->sm_base = of_iomap(np, 0); + if (!of_machine_is_compatible("fsl,imx8mq") && + !of_machine_is_compatible("fsl,imx8qm") && + !of_machine_is_compatible("fsl,imx8qxp")) { + ctrlpriv->sm_size = 0x3fff; + } else { + ctrlpriv->sm_size = PG_SIZE_64K; + } + + /* + * Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel, + * long pointers in master configuration register + */ + clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK | MCFGR_LONG_PTR, + MCFGR_AWCACHE_CACH | MCFGR_AWCACHE_BUFF | + MCFGR_WDENABLE | MCFGR_LARGE_BURST | + (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); + + handle_imx6_err005766(ctrlpriv); + + check_virt(ctrlpriv, comp_params); + + /* Set DMA masks according to platform ranging */ + if (sizeof(dma_addr_t) == sizeof(u64)) + if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); + else + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36)); + else + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + + ret = enable_jobrings(ctrlpriv, block_offset); + if (ret) + goto iounmap_ctrl; + + enable_qi(ctrlpriv, block_offset); + + /* If no QI and no rings specified, quit and go home */ + if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { + dev_err(dev, "no queues configured, terminating\n"); + ret = -ENOMEM; + goto caam_remove; + } + + /* NOTE: RTIC detection ought to go here, around Si time */ + + caam_id = (u64)rd_reg32(&ctrl->perfmon.caam_id_ms) << 32 | + (u64)rd_reg32(&ctrl->perfmon.caam_id_ls); + + dev_info(dev, "device ID = 0x%016llx (Era %d)\n" + "job rings = %d, qi = %d\n", + caam_id, + ctrlpriv->era, + ctrlpriv->total_jobrs, ctrlpriv->qi_present); + + init_debugfs(ctrlpriv); - ctrlpriv->ctl_tdsk_wrap.data = (__force void *)&ctrlpriv->ctrl->tdsk[0]; - ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_tdsk_wrap); -#endif return 0; caam_remove: @@ -600,23 +717,30 @@ caam_remove: iounmap_ctrl: iounmap(ctrl); -disable_caam_emi_slow: - if (ctrlpriv->caam_emi_slow) +disable_clocks: + if (!of_machine_is_compatible("fsl,imx8mq") && + !of_machine_is_compatible("fsl,imx8qm") && + !of_machine_is_compatible("fsl,imx8qxp")) { clk_disable_unprepare(ctrlpriv->caam_emi_slow); -disable_caam_mem: - if (ctrlpriv->caam_mem) + clk_disable_unprepare(ctrlpriv->caam_aclk); clk_disable_unprepare(ctrlpriv->caam_mem); -disable_caam_aclk: - clk_disable_unprepare(ctrlpriv->caam_aclk); -disable_caam_ipg: - clk_disable_unprepare(ctrlpriv->caam_ipg); -release_ctrlpriv: - devm_kfree(&pdev->dev, ctrlpriv); + clk_disable_unprepare(ctrlpriv->caam_ipg); + } -exit: return ret; } +static const struct of_device_id caam_match[] = { + { + .compatible = "fsl,sec-v4.0", + }, + { + .compatible = "fsl,sec4.0", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, caam_match); + static struct platform_driver caam_driver = { .driver = { .name = "caam", diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index ba1ca0806f0a..87d9f888fd51 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -2,7 +2,7 @@ /* * caam descriptor construction helper functions * - * Copyright 2008-2012 Freescale Semiconductor, Inc. + * Copyright 2008-2017 Freescale Semiconductor, Inc. */ #ifndef DESC_CONSTR_H @@ -13,7 +13,8 @@ #define IMMEDIATE (1 << 23) #define CAAM_CMD_SZ sizeof(u32) -#define CAAM_PTR_SZ sizeof(dma_addr_t) +/* CAAM Pointer Size in MCFGR[PS] is 0 by default (32bits) */ +#define CAAM_PTR_SZ sizeof(u32) #define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE) #define DESC_JOB_IO_LEN (CAAM_CMD_SZ * 5 + CAAM_PTR_SZ * 3) @@ -90,9 +91,10 @@ static inline void init_job_desc_pdb(u32 * const desc, u32 options, init_job_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT)) | options); } -static inline void append_ptr(u32 * const desc, dma_addr_t ptr) +static inline void append_ptr(u32 * const desc, u32 ptr) + { - dma_addr_t *offset = (dma_addr_t *)desc_end(desc); + u32 *offset = (u32 *)desc_end(desc); *offset = cpu_to_caam_dma(ptr); @@ -100,7 +102,7 @@ static inline void append_ptr(u32 * const desc, dma_addr_t ptr) CAAM_PTR_SZ / CAAM_CMD_SZ); } -static inline void init_job_desc_shared(u32 * const desc, dma_addr_t ptr, +static inline void init_job_desc_shared(u32 * const desc, u32 ptr, int len, u32 options) { PRINT_POS; @@ -155,7 +157,7 @@ static inline u32 *write_cmd(u32 * const desc, u32 command) return desc + 1; } -static inline void append_cmd_ptr(u32 * const desc, dma_addr_t ptr, int len, +static inline void append_cmd_ptr(u32 * const desc, u32 ptr, int len, u32 command) { append_cmd(desc, command | len); @@ -163,7 +165,7 @@ static inline void append_cmd_ptr(u32 * const desc, dma_addr_t ptr, int len, } /* Write length after pointer, rather than inside command */ -static inline void append_cmd_ptr_extlen(u32 * const desc, dma_addr_t ptr, +static inline void append_cmd_ptr_extlen(u32 * const desc, u32 ptr, unsigned int len, u32 command) { append_cmd(desc, command); @@ -227,7 +229,7 @@ APPEND_CMD_LEN(seq_fifo_load, SEQ_FIFO_LOAD) APPEND_CMD_LEN(seq_fifo_store, SEQ_FIFO_STORE) #define APPEND_CMD_PTR(cmd, op) \ -static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \ +static inline void append_##cmd(u32 * const desc, u32 ptr, \ unsigned int len, u32 options) \ { \ PRINT_POS; \ @@ -238,7 +240,7 @@ APPEND_CMD_PTR(load, LOAD) APPEND_CMD_PTR(fifo_load, FIFO_LOAD) APPEND_CMD_PTR(fifo_store, FIFO_STORE) -static inline void append_store(u32 * const desc, dma_addr_t ptr, +static inline void append_store(u32 * const desc, u32 ptr, unsigned int len, u32 options) { u32 cmd_src; @@ -257,7 +259,7 @@ static inline void append_store(u32 * const desc, dma_addr_t ptr, #define APPEND_SEQ_PTR_INTLEN(cmd, op) \ static inline void append_seq_##cmd##_ptr_intlen(u32 * const desc, \ - dma_addr_t ptr, \ + u32 ptr, \ unsigned int len, \ u32 options) \ { \ @@ -281,7 +283,7 @@ APPEND_CMD_PTR_TO_IMM(load, LOAD); APPEND_CMD_PTR_TO_IMM(fifo_load, FIFO_LOAD); #define APPEND_CMD_PTR_EXTLEN(cmd, op) \ -static inline void append_##cmd##_extlen(u32 * const desc, dma_addr_t ptr, \ +static inline void append_##cmd##_extlen(u32 * const desc, u32 ptr, \ unsigned int len, u32 options) \ { \ PRINT_POS; \ @@ -295,7 +297,7 @@ APPEND_CMD_PTR_EXTLEN(seq_out_ptr, SEQ_OUT_PTR) * the size of its type */ #define APPEND_CMD_PTR_LEN(cmd, op, type) \ -static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \ +static inline void append_##cmd(u32 * const desc, u32 ptr, \ type len, u32 options) \ { \ PRINT_POS; \ @@ -451,7 +453,7 @@ struct alginfo { unsigned int keylen; unsigned int keylen_pad; union { - dma_addr_t key_dma; + caam_dma_addr_t key_dma; void *key_virt; }; bool key_inline; diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 54334b87906a..e36e19f99610 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -3,7 +3,7 @@ * CAAM/SEC 4.x driver backend * Private/internal definitions between modules * - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2017 Freescale Semiconductor, Inc. * */ @@ -13,6 +13,9 @@ /* Currently comes from Kconfig param as a ^2 (driver-required) */ #define JOBR_DEPTH (1 << CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE) +/* Job ring count */ +#define JOBR_MAX_COUNT 4 + /* Kconfig params for interrupt coalescing if selected (else zero) */ #ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_INTC #define JOBR_INTC JRCFG_ICEN @@ -32,7 +35,8 @@ struct caam_jrentry_info { void (*callbk)(struct device *dev, u32 *desc, u32 status, void *arg); void *cbkarg; /* Argument per ring entry */ u32 *desc_addr_virt; /* Stored virt addr for postprocessing */ - dma_addr_t desc_addr_dma; /* Stored bus addr for done matching */ + /* CAAM Pointer Size in MCFGR[PS] is 0 by default (32bits) */ + u32 desc_addr_dma; /* Stored bus addr for done matching */ u32 desc_size; /* Stored size for postprocessing, header derived */ }; @@ -54,7 +58,8 @@ struct caam_drv_private_jr { spinlock_t inplock ____cacheline_aligned; /* Input ring index lock */ int inp_ring_write_index; /* Input index "tail" */ int head; /* entinfo (s/w ring) head index */ - dma_addr_t *inpring; /* Base of input ring, alloc DMA-safe */ + /* CAAM Pointer Size in MCFGR[PS] is 0 by default (32bits) */ + u32 *inpring; /* Base of input ring, alloc DMA-safe */ spinlock_t outlock ____cacheline_aligned; /* Output ring index lock */ int out_ring_read_index; /* Output index "tail" */ int tail; /* entinfo (s/w ring) tail index */ @@ -68,7 +73,8 @@ struct caam_drv_private { #ifdef CONFIG_CAAM_QI struct device *qidev; #endif - + struct device *dev; + struct platform_device *pdev; struct device *smdev; /* @@ -83,7 +89,8 @@ struct caam_drv_private { struct caam_deco __iomem *deco; /* DECO/CCB views */ struct caam_assurance __iomem *assure; struct caam_queue_if __iomem *qi; /* QI control region */ - struct caam_job_ring __iomem *jr[4]; /* JobR's register space */ + /* JobR's register space */ + struct caam_job_ring __iomem *jr[JOBR_MAX_COUNT]; dma_addr_t __iomem *sm_base; /* Secure memory storage base */ u32 sm_size; @@ -106,6 +113,8 @@ struct caam_drv_private { struct clk *caam_aclk; struct clk *caam_emi_slow; + bool has_seco; + u32 first_jr_index; /* * debugfs entries for developer view into driver/device * variables at runtime. @@ -113,6 +122,11 @@ struct caam_drv_private { #ifdef CONFIG_DEBUG_FS struct dentry *dfs_root; struct dentry *ctl; /* controller dir */ + struct dentry *ctl_rq_dequeued, *ctl_ob_enc_req, *ctl_ib_dec_req; + struct dentry *ctl_ob_enc_bytes, *ctl_ob_prot_bytes; + struct dentry *ctl_ib_dec_bytes, *ctl_ib_valid_bytes; + struct dentry *ctl_faultaddr, *ctl_faultdetail, *ctl_faultstatus; + struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap; struct dentry *ctl_kek, *ctl_tkek, *ctl_tdsk; #endif diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index 9dd1bb573051..95163df77704 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -2,7 +2,7 @@ * CAAM/SEC 4.x transport/backend driver * JobR backend functionality * - * Copyright 2008-2015 Freescale Semiconductor, Inc. + * Copyright 2008-2017 Freescale Semiconductor, Inc. */ #include <linux/of_irq.h> diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 591095fe408f..cde55676be6d 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -2,7 +2,7 @@ /* * CAAM hardware register-level view * - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2017 Freescale Semiconductor, Inc. */ #ifndef REGS_H @@ -136,7 +136,7 @@ static inline void clrsetbits_32(void __iomem *reg, u32 clear, u32 set) * base + 0x0000 : least-significant 32 bits * base + 0x0004 : most-significant 32 bits */ -#ifdef CONFIG_64BIT +#if defined(CONFIG_64BIT) && !(defined(CONFIG_HAVE_IMX8_SOC)) static inline void wr_reg64(void __iomem *reg, u64 data) { if (caam_little_end) @@ -194,7 +194,7 @@ static inline u64 caam_dma64_to_cpu(u64 value) return caam64_to_cpu(value); } -#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT +#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && !defined(CONFIG_HAVE_IMX8_SOC) #define cpu_to_caam_dma(value) cpu_to_caam_dma64(value) #define caam_dma_to_cpu(value) caam_dma64_to_cpu(value) #else @@ -207,7 +207,8 @@ static inline u64 caam_dma64_to_cpu(u64 value) * Represents each entry in a JobR output ring */ struct jr_outentry { - dma_addr_t desc;/* Pointer to completed descriptor */ + /* CAAM Pointer Size in MCFGR[PS] is 0 by default (32bits) */ + u32 desc;/* Pointer to completed descriptor */ u32 jrstatus; /* Status for completed descriptor */ } __packed; |