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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-27ed66d3acfsm4610045ad.20.2025.09.24.16.39.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 16:39:46 -0700 (PDT) From: Jingyi Wang Date: Wed, 24 Sep 2025 16:39:39 -0700 Subject: [PATCH 2/2] dmaengine: qcom: bam_dma: Add support for new crypto bam Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250924-knp-bam-v1-2-c991273ddf63@oss.qualcomm.com> References: <20250924-knp-bam-v1-0-c991273ddf63@oss.qualcomm.com> In-Reply-To: <20250924-knp-bam-v1-0-c991273ddf63@oss.qualcomm.com> To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jingyi Wang , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, Gaurav Kashyap X-Mailer: b4 0.15-dev-99b12 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758757183; l=2774; i=jingyi.wang@oss.qualcomm.com; s=20250911; h=from:subject:message-id; bh=GEdBdzdIAX8fGpq8ae3liMKSkAOrGReyvTCj0gbYkOg=; b=oyIIuK/uFfpSrn7d7x80OB4pBmcdGVi0jIxpYQ7ogx1CKsFzI2pq55U9UGIcHSwzgRAH8Uswm y1gmg5OcCY2At/vfZ4JCau0HTq5u9uvmEwUBoh4MESEUd2hTP+sx/K4 X-Developer-Key: i=jingyi.wang@oss.qualcomm.com; a=ed25519; pk=PSoHZ6KbUss3IW8FPRVMHMK0Jkkr/jV347mBYJO3iLo= X-Proofpoint-GUID: 4rGKBOty0ghNl2wRoZoC7wK1-Kjqs5_L X-Authority-Analysis: v=2.4 cv=RO2zH5i+ c=1 sm=1 tr=0 ts=68d48144 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=cFv7hCk4oO-93yei0aoA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAyNSBTYWx0ZWRfX9RCNu8j0+XFe mSfArhN5pWnz2hOACdLXPzEbukABHJo9kZfnUHmJ6Sk3WxifCsEtfmIKH7vQKFSub07LiVHFCZ0 xWImNSnyzeQbP7EO8aGM/yMxVYvo/w/Xz0wmRPyADYwPwsPNO4bopQ4zWW7pCV+nDCiEbr1KVHe hPl4LHGyfshvCFqft8S7pXwW3boOqJ3bRf3D2H4bFZA2bkAISyuJwwWlxJxyltXC8Dx09vNrlxP pdtq2n7uwaIsmAMuLlrBmy2886yXXYFzcUmZ/tw0EITl7axhWkq0eYdlN/mq6sP3gYZn4c2M+ak 2T+sOoLQ7lIgzkLTpJHF6ApLBEi/eaPIkuNdZ8aS7pgenyZciAo0EgjXmli0+q8dvq+L5Rm2DTU QQ53+kKR X-Proofpoint-ORIG-GUID: 4rGKBOty0ghNl2wRoZoC7wK1-Kjqs5_L X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-24_07,2025-09-24_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 suspectscore=0 priorityscore=1501 impostorscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509200025 From: Gaurav Kashyap A new revision of the crypto BAM called changes offsets of the EE specific registers. Add support of this through a new compatible string and register set. Since a generic BAM module is deprecated and this new revision is tied to crypto, naming it as such. Signed-off-by: Gaurav Kashyap Signed-off-by: Jingyi Wang --- drivers/dma/qcom/bam_dma.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 2cf060174795..06530e76ebc3 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -198,6 +198,35 @@ static const struct reg_offset_data bam_v1_7_reg_info[] = { [BAM_P_FIFO_SIZES] = { 0x13820, 0x00, 0x1000, 0x00 }, }; +static const struct reg_offset_data bam_crypto_v6_reg_info[] = { + [BAM_CTRL] = { 0x00000, 0x00, 0x00, 0x00 }, + [BAM_REVISION] = { 0x01000, 0x00, 0x00, 0x00 }, + [BAM_NUM_PIPES] = { 0x01008, 0x00, 0x00, 0x00 }, + [BAM_DESC_CNT_TRSHLD] = { 0x00008, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS] = { 0x03010, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_MSK] = { 0x03014, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_UNMASKED] = { 0x03018, 0x00, 0x00, 0x00 }, + [BAM_IRQ_STTS] = { 0x00014, 0x00, 0x00, 0x00 }, + [BAM_IRQ_CLR] = { 0x00018, 0x00, 0x00, 0x00 }, + [BAM_IRQ_EN] = { 0x0001C, 0x00, 0x00, 0x00 }, + [BAM_CNFG_BITS] = { 0x0007C, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_EE] = { 0x03000, 0x00, 0x00, 0x1000 }, + [BAM_IRQ_SRCS_MSK_EE] = { 0x03004, 0x00, 0x00, 0x1000 }, + [BAM_P_CTRL] = { 0xC000, 0x1000, 0x00, 0x00 }, + [BAM_P_RST] = { 0xC004, 0x1000, 0x00, 0x00 }, + [BAM_P_HALT] = { 0xC008, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_STTS] = { 0xC010, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_CLR] = { 0xC014, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_EN] = { 0xC018, 0x1000, 0x00, 0x00 }, + [BAM_P_EVNT_DEST_ADDR] = { 0xC82C, 0x00, 0x1000, 0x00 }, + [BAM_P_EVNT_REG] = { 0xC818, 0x00, 0x1000, 0x00 }, + [BAM_P_SW_OFSTS] = { 0xC800, 0x00, 0x1000, 0x00 }, + [BAM_P_DATA_FIFO_ADDR] = { 0xC824, 0x00, 0x1000, 0x00 }, + [BAM_P_DESC_FIFO_ADDR] = { 0xC81C, 0x00, 0x1000, 0x00 }, + [BAM_P_EVNT_GEN_TRSHLD] = { 0xC828, 0x00, 0x1000, 0x00 }, + [BAM_P_FIFO_SIZES] = { 0xC820, 0x00, 0x1000, 0x00 }, +}; + /* BAM CTRL */ #define BAM_SW_RST BIT(0) #define BAM_EN BIT(1) @@ -1228,6 +1257,7 @@ static const struct of_device_id bam_of_match[] = { { .compatible = "qcom,bam-v1.3.0", .data = &bam_v1_3_reg_info }, { .compatible = "qcom,bam-v1.4.0", .data = &bam_v1_4_reg_info }, { .compatible = "qcom,bam-v1.7.0", .data = &bam_v1_7_reg_info }, + { .compatible = "qcom,bam-crypto-v6", .data = &bam_crypto_v6_reg_info }, {} }; -- 2.25.1