linux-kernel - [PATCH] crypto: hisilicon/sec - add the register configuration for HW V3

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Message-ID: <20220211090758.55352-1-yekai13@huawei.com>
Date:   Fri, 11 Feb 2022 17:07:58 +0800
From:   Kai Ye <yekai13@...wei.com>
To:     <herbert@...dor.apana.org.au>
CC:     <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wangzhou1@...ilicon.com>, <yekai13@...wei.com>
Subject: [PATCH] crypto: hisilicon/sec - add the register configuration for HW V3

Added the register configuration of the SVA mode for HW V3.

Signed-off-by: Kai Ye <yekai13@...wei.com>
---
 drivers/crypto/hisilicon/sec2/sec_main.c | 51 +++++++++++++++++++-----
 1 file changed, 40 insertions(+), 11 deletions(-)

diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 89d4cc767d36..0b9906ff69e3 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -90,6 +90,10 @@
 					SEC_USER1_WB_DATA_SSV)
 #define SEC_USER1_SMMU_SVA		(SEC_USER1_SMMU_NORMAL | SEC_USER1_SVA_SET)
 #define SEC_USER1_SMMU_MASK		(~SEC_USER1_SVA_SET)
+#define SEC_INTERFACE_USER_CTRL0_REG_V3	0x302220
+#define SEC_INTERFACE_USER_CTRL1_REG_V3	0x302224
+#define SEC_USER1_SMMU_NORMAL_V3	(BIT(23) | BIT(17) | BIT(11) | BIT(5))
+#define SEC_USER1_SMMU_MASK_V3		0xFF79E79E
 #define SEC_CORE_INT_STATUS_M_ECC	BIT(2)
 
 #define SEC_PREFETCH_CFG		0x301130
@@ -335,6 +339,41 @@ static void sec_set_endian(struct hisi_qm *qm)
 	writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
 }
 
+static void sec_engine_sva_config(struct hisi_qm *qm)
+{
+	u32 reg;
+
+	if (qm->ver > QM_HW_V2) {
+		reg = readl_relaxed(qm->io_base +
+				SEC_INTERFACE_USER_CTRL0_REG_V3);
+		reg |= SEC_USER0_SMMU_NORMAL;
+		writel_relaxed(reg, qm->io_base +
+				SEC_INTERFACE_USER_CTRL0_REG_V3);
+
+		reg = readl_relaxed(qm->io_base +
+				SEC_INTERFACE_USER_CTRL1_REG_V3);
+		reg &= SEC_USER1_SMMU_MASK_V3;
+		reg |= SEC_USER1_SMMU_NORMAL_V3;
+		writel_relaxed(reg, qm->io_base +
+				SEC_INTERFACE_USER_CTRL1_REG_V3);
+	} else {
+		reg = readl_relaxed(qm->io_base +
+				SEC_INTERFACE_USER_CTRL0_REG);
+		reg |= SEC_USER0_SMMU_NORMAL;
+		writel_relaxed(reg, qm->io_base +
+				SEC_INTERFACE_USER_CTRL0_REG);
+		reg = readl_relaxed(qm->io_base +
+				SEC_INTERFACE_USER_CTRL1_REG);
+		reg &= SEC_USER1_SMMU_MASK;
+		if (qm->use_sva)
+			reg |= SEC_USER1_SMMU_SVA;
+		else
+			reg |= SEC_USER1_SMMU_NORMAL;
+		writel_relaxed(reg, qm->io_base +
+				SEC_INTERFACE_USER_CTRL1_REG);
+	}
+}
+
 static void sec_open_sva_prefetch(struct hisi_qm *qm)
 {
 	u32 val;
@@ -426,17 +465,7 @@ static int sec_engine_init(struct hisi_qm *qm)
 	reg |= (0x1 << SEC_TRNG_EN_SHIFT);
 	writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
 
-	reg = readl_relaxed(qm->io_base + SEC_INTERFACE_USER_CTRL0_REG);
-	reg |= SEC_USER0_SMMU_NORMAL;
-	writel_relaxed(reg, qm->io_base + SEC_INTERFACE_USER_CTRL0_REG);
-
-	reg = readl_relaxed(qm->io_base + SEC_INTERFACE_USER_CTRL1_REG);
-	reg &= SEC_USER1_SMMU_MASK;
-	if (qm->use_sva && qm->ver == QM_HW_V2)
-		reg |= SEC_USER1_SMMU_SVA;
-	else
-		reg |= SEC_USER1_SMMU_NORMAL;
-	writel_relaxed(reg, qm->io_base + SEC_INTERFACE_USER_CTRL1_REG);
+	sec_engine_sva_config(qm);
 
 	writel(SEC_SINGLE_PORT_MAX_TRANS,
 	       qm->io_base + AM_CFG_SINGLE_PORT_MAX_TRANS);
-- 
2.33.0