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Sun, 13 Oct 2019 22:18:45 -0700 (PDT) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, khilman@baylibre.com, mark.rutland@arm.com, robh+dt@kernel.org, martin.blumenstingl@googlemail.com Subject: [PATCH v2 1/4] dt-bindings: crypto: Add DT bindings documentation for amlogic-crypto Date: Mon, 14 Oct 2019 07:18:36 +0200 Message-Id: <20191014051839.32274-2-clabbe.montjoie@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191014051839.32274-1-clabbe.montjoie@gmail.com> References: <20191014051839.32274-1-clabbe.montjoie@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191013_221848_310064_173E9DEA X-CRM114-Status: GOOD ( 10.15 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:443 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (clabbe.montjoie[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe , linux-crypto@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds documentation for Device-Tree bindings for the Amlogic GXL cryptographic offloader driver. Signed-off-by: Corentin Labbe --- .../bindings/crypto/amlogic,gxl-crypto.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml diff --git a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml new file mode 100644 index 000000000000..5becc60a0e28 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/amlogic,gxl-crypto.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic GXL Cryptographic Offloader + +maintainers: + - Corentin Labbe + +properties: + compatible: + items: + - const: amlogic,gxl-crypto + + reg: + maxItems: 1 + + interrupts: + items: + - description: "Interrupt for flow 0" + - description: "Interrupt for flow 1" + + clocks: + maxItems: 1 + + clock-names: + const: blkmv + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + #include + + crypto: crypto@c883e000 { + compatible = "amlogic,gxl-crypto"; + reg = <0x0 0xc883e000 0x0 0x36>; + interrupts = , ; + clocks = <&clkc CLKID_BLKMV>; + clock-names = "blkmv"; + }; From patchwork Mon Oct 14 05:18:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Labbe X-Patchwork-Id: 11187761 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D63E1112B for ; Mon, 14 Oct 2019 05:19:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ABFA520663 for ; Mon, 14 Oct 2019 05:19:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eMYHH3po"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZxW7qDEf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABFA520663 Authentication-Results: mail.kernel.org; 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Sun, 13 Oct 2019 22:18:46 -0700 (PDT) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, khilman@baylibre.com, mark.rutland@arm.com, robh+dt@kernel.org, martin.blumenstingl@googlemail.com Subject: [PATCH v2 2/4] MAINTAINERS: Add myself as maintainer of amlogic crypto Date: Mon, 14 Oct 2019 07:18:37 +0200 Message-Id: <20191014051839.32274-3-clabbe.montjoie@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191014051839.32274-1-clabbe.montjoie@gmail.com> References: <20191014051839.32274-1-clabbe.montjoie@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191013_221851_030436_4C46974C X-CRM114-Status: UNSURE ( 7.17 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:342 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (clabbe.montjoie[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe , linux-crypto@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org I will maintain the amlogic crypto driver. Signed-off-by: Corentin Labbe --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 36c5d6ee01f9..a8487a0999ce 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1477,6 +1477,13 @@ F: drivers/soc/amlogic/ F: drivers/rtc/rtc-meson* N: meson +ARM/Amlogic Meson SoC Crypto Drivers +M: Corentin Labbe +L: linux-crypto@vger.kernel.org +S: Maintained +F: drivers/crypto/amlogic/ +F: Documentation/devicetree/bindings/crypto/amlogic* + ARM/Amlogic Meson SoC Sound Drivers M: Jerome Brunet L: alsa-devel@alsa-project.org (moderated for non-subscribers) From patchwork Mon Oct 14 05:18:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Labbe X-Patchwork-Id: 11187767 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 51DF9112B for ; Mon, 14 Oct 2019 05:19:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C03320663 for ; 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Sun, 13 Oct 2019 22:18:48 -0700 (PDT) Received: from Red.localdomain ([2a01:cb1d:147:7200:2e56:dcff:fed2:c6d6]) by smtp.googlemail.com with ESMTPSA id 5sm14660340wrk.86.2019.10.13.22.18.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Oct 2019 22:18:47 -0700 (PDT) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, khilman@baylibre.com, mark.rutland@arm.com, robh+dt@kernel.org, martin.blumenstingl@googlemail.com Subject: [PATCH v2 3/4] crypto: amlogic: Add crypto accelerator for amlogic GXL Date: Mon, 14 Oct 2019 07:18:38 +0200 Message-Id: <20191014051839.32274-4-clabbe.montjoie@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191014051839.32274-1-clabbe.montjoie@gmail.com> References: <20191014051839.32274-1-clabbe.montjoie@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191013_221852_000698_E37F4264 X-CRM114-Status: GOOD ( 18.77 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:444 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (clabbe.montjoie[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe , linux-crypto@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds support for the amlogic GXL cryptographic offloader present on GXL SoCs. This driver supports AES cipher in CBC/ECB mode. Signed-off-by: Corentin Labbe --- drivers/crypto/Kconfig | 2 + drivers/crypto/Makefile | 1 + drivers/crypto/amlogic/Kconfig | 24 ++ drivers/crypto/amlogic/Makefile | 2 + drivers/crypto/amlogic/amlogic-gxl-cipher.c | 381 ++++++++++++++++++++ drivers/crypto/amlogic/amlogic-gxl-core.c | 333 +++++++++++++++++ drivers/crypto/amlogic/amlogic-gxl.h | 170 +++++++++ 7 files changed, 913 insertions(+) create mode 100644 drivers/crypto/amlogic/Kconfig create mode 100644 drivers/crypto/amlogic/Makefile create mode 100644 drivers/crypto/amlogic/amlogic-gxl-cipher.c create mode 100644 drivers/crypto/amlogic/amlogic-gxl-core.c create mode 100644 drivers/crypto/amlogic/amlogic-gxl.h diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 9f08ed72eae8..04a2f53e66a3 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -784,4 +784,6 @@ config CRYPTO_DEV_CCREE source "drivers/crypto/hisilicon/Kconfig" +source "drivers/crypto/amlogic/Kconfig" + endif # CRYPTO_HW diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 79e2da4a51e4..40229d499476 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -48,3 +48,4 @@ obj-$(CONFIG_CRYPTO_DEV_BCM_SPU) += bcm/ obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += inside-secure/ obj-$(CONFIG_CRYPTO_DEV_ARTPEC6) += axis/ obj-y += hisilicon/ +obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/ diff --git a/drivers/crypto/amlogic/Kconfig b/drivers/crypto/amlogic/Kconfig new file mode 100644 index 000000000000..9c4bf96afeb3 --- /dev/null +++ b/drivers/crypto/amlogic/Kconfig @@ -0,0 +1,24 @@ +config CRYPTO_DEV_AMLOGIC_GXL + tristate "Support for amlogic cryptographic offloader" + default y if ARCH_MESON + select CRYPTO_BLKCIPHER + select CRYPTO_ENGINE + select CRYPTO_ECB + select CRYPTO_CBC + select CRYPTO_AES + help + Select y here for having support for the cryptographic offloader + availlable on Amlogic GXL SoC. + This hardware handle AES ciphers in ECB/CBC mode. + + To compile this driver as a module, choose M here: the module + will be called amlogic-crypto. + +config CRYPTO_DEV_AMLOGIC_GXL_DEBUG + bool "Enabled amlogic stats" + depends on CRYPTO_DEV_AMLOGIC_GXL + depends on DEBUG_FS + help + Say y to enabled amlogic-crypto debug stats. + This will create /sys/kernel/debug/gxl-crypto/stats for displaying + the number of requests per flow and per algorithm. diff --git a/drivers/crypto/amlogic/Makefile b/drivers/crypto/amlogic/Makefile new file mode 100644 index 000000000000..39057e62c13e --- /dev/null +++ b/drivers/crypto/amlogic/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic-gxl-crypto.o +amlogic-gxl-crypto-y := amlogic-gxl-core.o amlogic-gxl-cipher.o diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c new file mode 100644 index 000000000000..e9283ffdbd23 --- /dev/null +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -0,0 +1,381 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * amlogic-cipher.c - hardware cryptographic offloader for Amlogic GXL SoC + * + * Copyright (C) 2018-2019 Corentin LABBE + * + * This file add support for AES cipher with 128,192,256 bits keysize in + * CBC and ECB mode. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "amlogic-gxl.h" + +static int get_engine_number(struct meson_dev *mc) +{ + return atomic_inc_return(&mc->flow) % MAXFLOW; +} + +static bool meson_cipher_need_fallback(struct skcipher_request *areq) +{ + struct scatterlist *src_sg = areq->src; + struct scatterlist *dst_sg = areq->dst; + + if (areq->cryptlen == 0) + return true; + + if (sg_nents(src_sg) != sg_nents(dst_sg)) + return true; + + /* KEY/IV descriptors use 3 desc */ + if (sg_nents(src_sg) > MAXDESC - 3 || sg_nents(dst_sg) > MAXDESC - 3) + return true; + + while (src_sg && dst_sg) { + if ((src_sg->length % 16) != 0) + return true; + if ((dst_sg->length % 16) != 0) + return true; + if (src_sg->length != dst_sg->length) + return true; + if (!IS_ALIGNED(src_sg->offset, sizeof(u32))) + return true; + if (!IS_ALIGNED(dst_sg->offset, sizeof(u32))) + return true; + src_sg = sg_next(src_sg); + dst_sg = sg_next(dst_sg); + } + + return false; +} + +static int meson_cipher_do_fallback(struct skcipher_request *areq) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq); + int err; +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + struct meson_alg_template *algt; +#endif + SYNC_SKCIPHER_REQUEST_ON_STACK(req, op->fallback_tfm); + +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + algt = container_of(alg, struct meson_alg_template, alg.skcipher); + algt->stat_fb++; +#endif + skcipher_request_set_sync_tfm(req, op->fallback_tfm); + skcipher_request_set_callback(req, areq->base.flags, NULL, NULL); + skcipher_request_set_crypt(req, areq->src, areq->dst, + areq->cryptlen, areq->iv); + if (rctx->op_dir == MESON_DECRYPT) + err = crypto_skcipher_decrypt(req); + else + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; +} + +static int meson_cipher(struct skcipher_request *areq) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq); + struct meson_dev *mc = op->mc; + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + struct meson_alg_template *algt; + int flow = rctx->flow; + unsigned int todo, eat, len; + struct scatterlist *src_sg = areq->src; + struct scatterlist *dst_sg = areq->dst; + struct meson_desc *desc; + int nr_sgs, nr_sgd; + int i, err = 0; + unsigned int keyivlen, ivsize, offset, tloffset; + dma_addr_t phykeyiv; + void *backup_iv = NULL, *bkeyiv; + + algt = container_of(alg, struct meson_alg_template, alg.skcipher); + + dev_dbg(mc->dev, "%s %s %u %x IV(%u) key=%u flow=%d\n", __func__, + crypto_tfm_alg_name(areq->base.tfm), + areq->cryptlen, + rctx->op_dir, crypto_skcipher_ivsize(tfm), + op->keylen, flow); + +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + algt->stat_req++; + mc->chanlist[flow].stat_req++; +#endif + + /* + * The hardware expect a list of meson_desc structures. + * The 2 first structures store key + * The third stores IV + */ + bkeyiv = kzalloc(48, GFP_KERNEL | GFP_DMA); + if (!bkeyiv) + return -ENOMEM; + + memcpy(bkeyiv, op->key, op->keylen); + keyivlen = op->keylen; + + ivsize = crypto_skcipher_ivsize(tfm); + if (areq->iv && ivsize > 0) { + if (ivsize > areq->cryptlen) { + dev_err(mc->dev, "invalid ivsize=%d vs len=%d\n", ivsize, areq->cryptlen); + return -EINVAL; + } + memcpy(bkeyiv + 32, areq->iv, ivsize); + keyivlen = 48; + if (rctx->op_dir == MESON_DECRYPT) { + backup_iv = kzalloc(ivsize, GFP_KERNEL); + if (!backup_iv) { + err = -ENOMEM; + goto theend; + } + offset = areq->cryptlen - ivsize; + scatterwalk_map_and_copy(backup_iv, areq->src, offset, + ivsize, 0); + } + } + if (keyivlen == 24) + keyivlen = 32; + + phykeyiv = dma_map_single(mc->dev, bkeyiv, keyivlen, + DMA_TO_DEVICE); + if (dma_mapping_error(mc->dev, phykeyiv)) { + dev_err(mc->dev, "Cannot DMA MAP KEY IV\n"); + return -EFAULT; + } + + tloffset = 0; + eat = 0; + i = 0; + while (keyivlen > eat) { + desc = &mc->chanlist[flow].tl[tloffset]; + memset(desc, 0, sizeof(struct meson_desc)); + todo = min(keyivlen - eat, 16u); + desc->t_src = phykeyiv + i * 16; + desc->t_dst = i * 16; + desc->len = 16; + desc->mode = MODE_KEY; + desc->owner = 1; + eat += todo; + i++; + tloffset++; + } + + if (areq->src == areq->dst) { + nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src), + DMA_BIDIRECTIONAL); + if (nr_sgs < 0) { + dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs); + err = -EINVAL; + goto theend; + } + nr_sgd = nr_sgs; + } else { + nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src), + DMA_TO_DEVICE); + if (nr_sgs < 0 || nr_sgs > MAXDESC - 3) { + dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs); + err = -EINVAL; + goto theend; + } + nr_sgd = dma_map_sg(mc->dev, areq->dst, sg_nents(areq->dst), + DMA_FROM_DEVICE); + if (nr_sgd < 0 || nr_sgd > MAXDESC - 3) { + dev_err(mc->dev, "Invalid SG count %d\n", nr_sgd); + err = -EINVAL; + goto theend; + } + } + + src_sg = areq->src; + dst_sg = areq->dst; + len = areq->cryptlen; + while (src_sg) { + desc = &mc->chanlist[flow].tl[tloffset]; + memset(desc, 0, sizeof(struct meson_desc)); + + desc->t_src = sg_dma_address(src_sg); + desc->t_dst = sg_dma_address(dst_sg); + todo = min(len, sg_dma_len(src_sg)); + desc->owner = 1; + desc->len = todo; + desc->mode = op->keymode; + desc->op_mode = algt->blockmode; + desc->enc = rctx->op_dir; + len -= todo; + + if (!sg_next(src_sg)) + desc->eoc = 1; + tloffset++; + src_sg = sg_next(src_sg); + dst_sg = sg_next(dst_sg); + } + + reinit_completion(&mc->chanlist[flow].complete); + mc->chanlist[flow].status = 0; + writel(mc->chanlist[flow].t_phy | 2, mc->base + (flow << 2)); + wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete, + msecs_to_jiffies(500)); + if (mc->chanlist[flow].status == 0) { + dev_err(mc->dev, "DMA timeout for flow %d\n", flow); + err = -EINVAL; + } + + dma_unmap_single(mc->dev, phykeyiv, keyivlen, DMA_TO_DEVICE); + + if (areq->src == areq->dst) { + dma_unmap_sg(mc->dev, areq->src, nr_sgs, DMA_BIDIRECTIONAL); + } else { + dma_unmap_sg(mc->dev, areq->src, nr_sgs, DMA_TO_DEVICE); + dma_unmap_sg(mc->dev, areq->dst, nr_sgd, DMA_FROM_DEVICE); + } + + if (areq->iv && ivsize > 0) { + if (rctx->op_dir == MESON_DECRYPT) { + memcpy(areq->iv, backup_iv, ivsize); + kzfree(backup_iv); + } else { + scatterwalk_map_and_copy(areq->iv, areq->dst, + areq->cryptlen - ivsize, + ivsize, 0); + } + } +theend: + kzfree(bkeyiv); + + return err; +} + +static int meson_handle_cipher_request(struct crypto_engine *engine, + void *areq) +{ + int err; + struct skcipher_request *breq = container_of(areq, struct skcipher_request, base); + + err = meson_cipher(breq); + crypto_finalize_skcipher_request(engine, breq, err); + + return 0; +} + +int meson_skdecrypt(struct skcipher_request *areq) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq); + struct crypto_engine *engine; + int e; + + rctx->op_dir = MESON_DECRYPT; + if (meson_cipher_need_fallback(areq)) + return meson_cipher_do_fallback(areq); + e = get_engine_number(op->mc); + engine = op->mc->chanlist[e].engine; + rctx->flow = e; + + return crypto_transfer_skcipher_request_to_engine(engine, areq); +} + +int meson_skencrypt(struct skcipher_request *areq) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq); + struct crypto_engine *engine; + int e; + + rctx->op_dir = MESON_ENCRYPT; + if (meson_cipher_need_fallback(areq)) + return meson_cipher_do_fallback(areq); + e = get_engine_number(op->mc); + engine = op->mc->chanlist[e].engine; + rctx->flow = e; + + return crypto_transfer_skcipher_request_to_engine(engine, areq); +} + +int meson_cipher_init(struct crypto_tfm *tfm) +{ + struct meson_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm); + struct meson_alg_template *algt; + const char *name = crypto_tfm_alg_name(tfm); + struct crypto_skcipher *sktfm = __crypto_skcipher_cast(tfm); + struct skcipher_alg *alg = crypto_skcipher_alg(sktfm); + + memset(op, 0, sizeof(struct meson_cipher_tfm_ctx)); + + algt = container_of(alg, struct meson_alg_template, alg.skcipher); + op->mc = algt->mc; + + sktfm->reqsize = sizeof(struct meson_cipher_req_ctx); + + op->fallback_tfm = crypto_alloc_sync_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK); + if (IS_ERR(op->fallback_tfm)) { + dev_err(op->mc->dev, "ERROR: Cannot allocate fallback for %s %ld\n", + name, PTR_ERR(op->fallback_tfm)); + return PTR_ERR(op->fallback_tfm); + } + + op->enginectx.op.do_one_request = meson_handle_cipher_request; + op->enginectx.op.prepare_request = NULL; + op->enginectx.op.unprepare_request = NULL; + + return 0; +} + +void meson_cipher_exit(struct crypto_tfm *tfm) +{ + struct meson_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm); + + if (op->key) { + memzero_explicit(op->key, op->keylen); + kfree(op->key); + } + crypto_free_sync_skcipher(op->fallback_tfm); +} + +int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, + unsigned int keylen) +{ + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_dev *mc = op->mc; + + switch (keylen) { + case 128 / 8: + op->keymode = MODE_AES_128; + break; + case 192 / 8: + op->keymode = MODE_AES_192; + break; + case 256 / 8: + op->keymode = MODE_AES_256; + break; + default: + dev_dbg(mc->dev, "ERROR: Invalid keylen %u\n", keylen); + crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + if (op->key) { + memzero_explicit(op->key, op->keylen); + kfree(op->key); + } + op->keylen = keylen; + op->key = kmalloc(keylen, GFP_KERNEL | GFP_DMA); + if (!op->key) + return -ENOMEM; + memcpy(op->key, key, keylen); + + return crypto_sync_skcipher_setkey(op->fallback_tfm, key, keylen); +} diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c new file mode 100644 index 000000000000..2877de91b5b4 --- /dev/null +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * amlgoic-core.c - hardware cryptographic offloader for Amlogic GXL SoC + * + * Copyright (C) 2018-2019 Corentin Labbe + * + * Core file which registers crypto algorithms supported by the hardware. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "amlogic-gxl.h" + +static irqreturn_t meson_irq_handler(int irq, void *data) +{ + struct meson_dev *mc = (struct meson_dev *)data; + int flow; + u32 p; + + for (flow = 0; flow < MAXFLOW; flow++) { + if (mc->irqs[flow] == irq) { + p = readl(mc->base + ((0x04 + flow) << 2)); + if (p) { + writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2)); + mc->chanlist[flow].status = 1; + complete(&mc->chanlist[flow].complete); + return IRQ_HANDLED; + } + dev_err(mc->dev, "%s %d Got irq for flow %d but ctrl is empty\n", __func__, irq, flow); + } + } + + dev_err(mc->dev, "%s %d from unknown irq\n", __func__, irq); + return IRQ_HANDLED; +} + +static struct meson_alg_template mc_algs[] = { +{ + .type = CRYPTO_ALG_TYPE_SKCIPHER, + .blockmode = MESON_OPMODE_CBC, + .alg.skcipher = { + .base = { + .cra_name = "cbc(aes)", + .cra_driver_name = "cbc-aes-gxl", + .cra_priority = 400, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | + CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .cra_ctxsize = sizeof(struct meson_cipher_tfm_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 0xf, + .cra_init = meson_cipher_init, + .cra_exit = meson_cipher_exit, + }, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = meson_aes_setkey, + .encrypt = meson_skencrypt, + .decrypt = meson_skdecrypt, + } +}, +{ + .type = CRYPTO_ALG_TYPE_SKCIPHER, + .blockmode = MESON_OPMODE_ECB, + .alg.skcipher = { + .base = { + .cra_name = "ecb(aes)", + .cra_driver_name = "ecb-aes-gxl", + .cra_priority = 400, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | + CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .cra_ctxsize = sizeof(struct meson_cipher_tfm_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 0xf, + .cra_init = meson_cipher_init, + .cra_exit = meson_cipher_exit, + }, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = meson_aes_setkey, + .encrypt = meson_skencrypt, + .decrypt = meson_skdecrypt, + } +}, +}; + +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG +static int meson_dbgfs_read(struct seq_file *seq, void *v) +{ + struct meson_dev *mc = seq->private; + int i; + + for (i = 0; i < MAXFLOW; i++) + seq_printf(seq, "Channel %d: nreq %lu\n", i, mc->chanlist[i].stat_req); + + for (i = 0; i < ARRAY_SIZE(mc_algs); i++) { + switch (mc_algs[i].type) { + case CRYPTO_ALG_TYPE_SKCIPHER: + seq_printf(seq, "%s %s %lu %lu\n", + mc_algs[i].alg.skcipher.base.cra_driver_name, + mc_algs[i].alg.skcipher.base.cra_name, + mc_algs[i].stat_req, mc_algs[i].stat_fb); + break; + } + } + return 0; +} + +static int meson_dbgfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, meson_dbgfs_read, inode->i_private); +} + +static const struct file_operations meson_debugfs_fops = { + .owner = THIS_MODULE, + .open = meson_dbgfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + +static void meson_free_chanlist(struct meson_dev *mc, int i) +{ + while (i >= 0) { + crypto_engine_exit(mc->chanlist[i].engine); + if (mc->chanlist[i].tl) + dma_free_coherent(mc->dev, sizeof(struct meson_desc) * MAXDESC, + mc->chanlist[i].tl, + mc->chanlist[i].t_phy); + i--; + } +} + +/* + * Allocate the channel list structure + */ +static int meson_allocate_chanlist(struct meson_dev *mc) +{ + int i, err; + + mc->chanlist = devm_kcalloc(mc->dev, MAXFLOW, + sizeof(struct meson_flow), GFP_KERNEL); + if (!mc->chanlist) + return -ENOMEM; + + for (i = 0; i < MAXFLOW; i++) { + init_completion(&mc->chanlist[i].complete); + + mc->chanlist[i].engine = crypto_engine_alloc_init(mc->dev, true); + if (!mc->chanlist[i].engine) { + dev_err(mc->dev, "Cannot allocate engine\n"); + i--; + goto error_engine; + } + err = crypto_engine_start(mc->chanlist[i].engine); + if (err) { + dev_err(mc->dev, "Cannot start engine\n"); + goto error_engine; + } + mc->chanlist[i].tl = dma_alloc_coherent(mc->dev, + sizeof(struct meson_desc) * MAXDESC, + &mc->chanlist[i].t_phy, + GFP_KERNEL); + if (!mc->chanlist[i].tl) { + err = -ENOMEM; + goto error_engine; + } + } + return 0; +error_engine: + meson_free_chanlist(mc, i); + return err; +} + +static int meson_register_algs(struct meson_dev *mc) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(mc_algs); i++) { + mc_algs[i].mc = mc; + switch (mc_algs[i].type) { + case CRYPTO_ALG_TYPE_SKCIPHER: + err = crypto_register_skcipher(&mc_algs[i].alg.skcipher); + if (err) { + dev_err(mc->dev, "Fail to register %s\n", + mc_algs[i].alg.skcipher.base.cra_name); + mc_algs[i].mc = NULL; + return err; + } + break; + } + } + + return 0; +} + +static void meson_unregister_algs(struct meson_dev *mc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mc_algs); i++) { + if (!mc_algs[i].mc) + continue; + switch (mc_algs[i].type) { + case CRYPTO_ALG_TYPE_SKCIPHER: + crypto_unregister_skcipher(&mc_algs[i].alg.skcipher); + break; + } + } +} + +static int meson_crypto_probe(struct platform_device *pdev) +{ + struct resource *res; + struct meson_dev *mc; + int err, i; + + if (!pdev->dev.of_node) + return -ENODEV; + + mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); + if (!mc) + return -ENOMEM; + + mc->dev = &pdev->dev; + platform_set_drvdata(pdev, mc); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mc->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(mc->base)) { + err = PTR_ERR(mc->base); + dev_err(&pdev->dev, "Cannot request MMIO err=%d\n", err); + return err; + } + mc->busclk = devm_clk_get(&pdev->dev, "blkmv"); + if (IS_ERR(mc->busclk)) { + err = PTR_ERR(mc->busclk); + dev_err(&pdev->dev, "Cannot get core clock err=%d\n", err); + return err; + } + + mc->irqs = devm_kcalloc(mc->dev, MAXFLOW, sizeof(int), GFP_KERNEL); + for (i = 0; i < MAXFLOW; i++) { + mc->irqs[i] = platform_get_irq(pdev, i); + if (mc->irqs[i] < 0) { + dev_err(mc->dev, "Cannot get IRQ for flow %d\n", i); + return mc->irqs[i]; + } + + err = devm_request_irq(&pdev->dev, mc->irqs[i], meson_irq_handler, 0, + "gxl-crypto", mc); + if (err < 0) { + dev_err(mc->dev, "Cannot request IRQ for flow %d\n", i); + return err; + } + } + + err = clk_prepare_enable(mc->busclk); + if (err != 0) { + dev_err(&pdev->dev, "Cannot prepare_enable busclk\n"); + return err; + } + + err = meson_allocate_chanlist(mc); + if (err) + goto error_flow; + + err = meson_register_algs(mc); + if (err) + goto error_alg; + +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + mc->dbgfs_dir = debugfs_create_dir("gxl-crypto", NULL); + debugfs_create_file("stats", 0444, mc->dbgfs_dir, mc, &meson_debugfs_fops); +#endif + + return 0; +error_alg: + meson_unregister_algs(mc); +error_flow: + meson_free_chanlist(mc, MAXFLOW); + clk_disable_unprepare(mc->busclk); + return err; +} + +static int meson_crypto_remove(struct platform_device *pdev) +{ + struct meson_dev *mc = platform_get_drvdata(pdev); + +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + debugfs_remove_recursive(mc->dbgfs_dir); +#endif + + meson_unregister_algs(mc); + + meson_free_chanlist(mc, MAXFLOW); + + clk_disable_unprepare(mc->busclk); + return 0; +} + +static const struct of_device_id meson_crypto_of_match_table[] = { + { .compatible = "amlogic,gxl-crypto", }, + {} +}; +MODULE_DEVICE_TABLE(of, meson_crypto_of_match_table); + +static struct platform_driver meson_crypto_driver = { + .probe = meson_crypto_probe, + .remove = meson_crypto_remove, + .driver = { + .name = "gxl-crypto", + .of_match_table = meson_crypto_of_match_table, + }, +}; + +module_platform_driver(meson_crypto_driver); + +MODULE_DESCRIPTION("Amlogic GXL cryptographic offloader"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Corentin Labbe "); diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h new file mode 100644 index 000000000000..fd9192b4050b --- /dev/null +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -0,0 +1,170 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * amlogic.h - hardware cryptographic offloader for Amlogic SoC + * + * Copyright (C) 2018-2019 Corentin LABBE + */ +#include +#include +#include +#include +#include +#include + +#define MODE_KEY 1 +#define MODE_AES_128 0x8 +#define MODE_AES_192 0x9 +#define MODE_AES_256 0xa + +#define MESON_DECRYPT 0 +#define MESON_ENCRYPT 1 + +#define MESON_OPMODE_ECB 0 +#define MESON_OPMODE_CBC 1 + +#define MAXFLOW 2 + +#define MAXDESC 64 + +/* + * struct meson_desc - Descriptor for DMA operations + * Note that without datasheet, some are unknown + * @len: length of data to operate + * @irq: Ignored by hardware + * @eoc: End of descriptor + * @loop: Unknown + * @mode: Type of algorithm (AES, SHA) + * @begin: Unknown + * @end: Unknown + * @op_mode: Blockmode (CBC, ECB) + * @block: Unknown + * @error: Unknown + * @owner: owner of the descriptor, 1 own by HW + * @t_src: Physical address of data to read + * @t_dst: Physical address of data to write + */ +struct meson_desc { + union { + u32 t_status; + struct { + u32 len:17; + u32 irq:1; + u32 eoc:1; + u32 loop:1; + u32 mode:4; + u32 begin:1; + u32 end:1; + u32 op_mode:2; + u32 enc:1; + u32 block:1; + u32 error:1; + u32 owner:1; + }; + }; + u32 t_src; + u32 t_dst; +}; + +/* + * struct meson_flow - Information used by each flow + * @engine: ptr to the crypto_engine for this flow + * @keylen: keylen for this flow operation + * @complete: completion for the current task on this flow + * @status: set to 1 by interrupt if task is done + * @t_phy: Physical address of task + * @tl: pointer to the current ce_task for this flow + * @stat_req: number of request done by this flow + */ +struct meson_flow { + struct crypto_engine *engine; + struct completion complete; + int status; + unsigned int keylen; + dma_addr_t t_phy; + struct meson_desc *tl; +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + unsigned long stat_req; +#endif +}; + +/* + * struct meson_dev - main container for all this driver information + * @base: base address of amlogic-crypto + * @busclk: bus clock for amlogic-crypto + * @dev: the platform device + * @chanlist: array of all flow + * @flow: flow to use in next request + * @irqs: IRQ numbers for amlogic-crypto + * @dbgfs_dir: Debugfs dentry for statistic directory + * @dbgfs_stats: Debugfs dentry for statistic counters + */ +struct meson_dev { + void __iomem *base; + struct clk *busclk; + struct device *dev; + struct meson_flow *chanlist; + atomic_t flow; + int *irqs; +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + struct dentry *dbgfs_dir; +#endif +}; + +/* + * struct meson_cipher_req_ctx - context for a skcipher request + * @op_dir: direction (encrypt vs decrypt) for this request + * @flow: the flow to use for this request + */ +struct meson_cipher_req_ctx { + u32 op_dir; + int flow; +}; + +/* + * struct meson_cipher_tfm_ctx - context for a skcipher TFM + * @enginectx: crypto_engine used by this TFM + * @key: pointer to key data + * @keylen: len of the key + * @keymode: The keymode(type and size of key) associated with this TFM + * @mc: pointer to the private data of driver handling this TFM + * @fallback_tfm: pointer to the fallback TFM + */ +struct meson_cipher_tfm_ctx { + struct crypto_engine_ctx enginectx; + u32 *key; + u32 keylen; + u32 keymode; + struct meson_dev *mc; + struct crypto_sync_skcipher *fallback_tfm; +}; + +/* + * struct meson_alg_template - crypto_alg template + * @type: the CRYPTO_ALG_TYPE for this template + * @blockmode: the type of block operation + * @mc: pointer to the meson_dev structure associated with this template + * @alg: one of sub struct must be used + * @stat_req: number of request done on this template + * @stat_fb: total of all data len done on this template + */ +struct meson_alg_template { + u32 type; + u32 blockmode; + union { + struct skcipher_alg skcipher; + } alg; + struct meson_dev *mc; +#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG + unsigned long stat_req; + unsigned long stat_fb; +#endif +}; + +int meson_enqueue(struct crypto_async_request *areq, u32 type); + +int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, + unsigned int keylen); +int meson_cipher_init(struct crypto_tfm *tfm); +void meson_cipher_exit(struct crypto_tfm *tfm); +int meson_skdecrypt(struct skcipher_request *areq); +int meson_skencrypt(struct skcipher_request *areq); From patchwork Mon Oct 14 05:18:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Labbe X-Patchwork-Id: 11187759 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1F457912 for ; Mon, 14 Oct 2019 05:19:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D35DE217D9 for ; 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Sun, 13 Oct 2019 22:18:49 -0700 (PDT) Received: from Red.localdomain ([2a01:cb1d:147:7200:2e56:dcff:fed2:c6d6]) by smtp.googlemail.com with ESMTPSA id 5sm14660340wrk.86.2019.10.13.22.18.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Oct 2019 22:18:49 -0700 (PDT) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, khilman@baylibre.com, mark.rutland@arm.com, robh+dt@kernel.org, martin.blumenstingl@googlemail.com Subject: [PATCH v2 4/4] ARM64: dts: amlogic: adds crypto hardware node Date: Mon, 14 Oct 2019 07:18:39 +0200 Message-Id: <20191014051839.32274-5-clabbe.montjoie@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191014051839.32274-1-clabbe.montjoie@gmail.com> References: <20191014051839.32274-1-clabbe.montjoie@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191013_221851_538434_85CE617B X-CRM114-Status: GOOD ( 10.39 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:343 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (clabbe.montjoie[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe , linux-crypto@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds the GXL crypto hardware node for all GXL SoCs. Signed-off-by: Corentin Labbe --- arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 49ff0a7d0210..ed33d8efaf62 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -36,6 +36,16 @@ phys = <&usb3_phy>, <&usb2_phy0>, <&usb2_phy1>; }; }; + + crypto: crypto@c883e000 { + compatible = "amlogic,gxl-crypto"; + reg = <0x0 0xc883e000 0x0 0x36>; + interrupts = , + ; + clocks = <&clkc CLKID_BLKMV>; + clock-names = "blkmv"; + status = "okay"; + }; }; };