From: Peng Ma <peng.ma@nxp.com> To: axboe@kernel.dk, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, andy.tang@nxp.com Cc: linux-ide@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, yousaf.kaukab@suse.com, Peng Ma <peng.ma@nxp.com> Subject: [v6 3/3] ahci: qoriq: add lx2160 platforms support Date: Wed, 20 Feb 2019 08:56:07 +0000 [thread overview] Message-ID: <20190220085607.31582-3-peng.ma@nxp.com> (raw) In-Reply-To: <20190220085607.31582-1-peng.ma@nxp.com> Lx2160a is a new introduced soc which supports ATA3.0 Signed-off-by: Peng Ma <peng.ma@nxp.com> --- changed for V6: - Add ecc_initialized to ensure set sata bit once of ECC error register - Recovery AHCI_LS2088A platform drivers/ata/ahci_qoriq.c | 52 +++++++++++++++++++++++++++++++--------------- 1 files changed, 35 insertions(+), 17 deletions(-) diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index ce59253..08dbb86 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -58,6 +58,7 @@ enum ahci_qoriq_type { AHCI_LS1046A, AHCI_LS1088A, AHCI_LS2088A, + AHCI_LX2160A, }; struct ahci_qoriq_priv { @@ -67,6 +68,8 @@ struct ahci_qoriq_priv { bool is_dmacoherent; }; +static bool ecc_initialized; + static const struct of_device_id ahci_qoriq_of_match[] = { { .compatible = "fsl,ls1021a-ahci", .data = (void *)AHCI_LS1021A}, { .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A}, @@ -74,6 +77,7 @@ struct ahci_qoriq_priv { { .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A}, { .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A}, { .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A}, + { .compatible = "fsl,lx2160a-ahci", .data = (void *)AHCI_LX2160A}, {}, }; MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match); @@ -165,9 +169,10 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) switch (qpriv->type) { case AHCI_LS1021A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(SATA_ECC_DISABLE, qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(SATA_ECC_DISABLE, qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2); writel(LS1021A_PORT_PHY3, reg_base + PORT_PHY3); @@ -180,10 +185,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1043A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -202,10 +209,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1046A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -215,10 +224,13 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1088A: - if (!qpriv->ecc_addr) + case AHCI_LX2160A: + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_LS1088A, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_LS1088A, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -237,6 +249,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; } + ecc_initialized = true; return 0; } @@ -264,13 +277,18 @@ static int ahci_qoriq_probe(struct platform_device *pdev) qoriq_priv->type = (enum ahci_qoriq_type)of_id->data; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "sata-ecc"); - if (res) { - qoriq_priv->ecc_addr = devm_ioremap_resource(dev, res); - if (IS_ERR(qoriq_priv->ecc_addr)) - return PTR_ERR(qoriq_priv->ecc_addr); + if (unlikely(!ecc_initialized)) { + res = platform_get_resource_byname(pdev, + IORESOURCE_MEM, + "sata-ecc"); + if (res) { + qoriq_priv->ecc_addr = + devm_ioremap_resource(dev, res); + if (IS_ERR(qoriq_priv->ecc_addr)) + return PTR_ERR(qoriq_priv->ecc_addr); + } } + qoriq_priv->is_dmacoherent = of_dma_is_coherent(np); rc = ahci_platform_enable_resources(hpriv); -- 1.7.1
WARNING: multiple messages have this Message-ID (diff)
From: Peng Ma <peng.ma@nxp.com> To: axboe@kernel.dk, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, andy.tang@nxp.com Cc: devicetree@vger.kernel.org, Peng Ma <peng.ma@nxp.com>, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, yousaf.kaukab@suse.com, linux-arm-kernel@lists.infradead.org Subject: [v6 3/3] ahci: qoriq: add lx2160 platforms support Date: Wed, 20 Feb 2019 08:56:07 +0000 [thread overview] Message-ID: <20190220085607.31582-3-peng.ma@nxp.com> (raw) In-Reply-To: <20190220085607.31582-1-peng.ma@nxp.com> Lx2160a is a new introduced soc which supports ATA3.0 Signed-off-by: Peng Ma <peng.ma@nxp.com> --- changed for V6: - Add ecc_initialized to ensure set sata bit once of ECC error register - Recovery AHCI_LS2088A platform drivers/ata/ahci_qoriq.c | 52 +++++++++++++++++++++++++++++++--------------- 1 files changed, 35 insertions(+), 17 deletions(-) diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index ce59253..08dbb86 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -58,6 +58,7 @@ enum ahci_qoriq_type { AHCI_LS1046A, AHCI_LS1088A, AHCI_LS2088A, + AHCI_LX2160A, }; struct ahci_qoriq_priv { @@ -67,6 +68,8 @@ struct ahci_qoriq_priv { bool is_dmacoherent; }; +static bool ecc_initialized; + static const struct of_device_id ahci_qoriq_of_match[] = { { .compatible = "fsl,ls1021a-ahci", .data = (void *)AHCI_LS1021A}, { .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A}, @@ -74,6 +77,7 @@ struct ahci_qoriq_priv { { .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A}, { .compatible = "fsl,ls1088a-ahci", .data = (void *)AHCI_LS1088A}, { .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A}, + { .compatible = "fsl,lx2160a-ahci", .data = (void *)AHCI_LX2160A}, {}, }; MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match); @@ -165,9 +169,10 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) switch (qpriv->type) { case AHCI_LS1021A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(SATA_ECC_DISABLE, qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(SATA_ECC_DISABLE, qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2); writel(LS1021A_PORT_PHY3, reg_base + PORT_PHY3); @@ -180,10 +185,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1043A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -202,10 +209,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1046A: - if (!qpriv->ecc_addr) + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -215,10 +224,13 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1088A: - if (!qpriv->ecc_addr) + case AHCI_LX2160A: + if (!(qpriv->ecc_addr || ecc_initialized)) return -EINVAL; - writel(readl(qpriv->ecc_addr) | ECC_DIS_LS1088A, - qpriv->ecc_addr); + else if (qpriv->ecc_addr && !ecc_initialized) + writel(readl(qpriv->ecc_addr) | + ECC_DIS_LS1088A, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2); writel(AHCI_PORT_PHY3_CFG, reg_base + PORT_PHY3); @@ -237,6 +249,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; } + ecc_initialized = true; return 0; } @@ -264,13 +277,18 @@ static int ahci_qoriq_probe(struct platform_device *pdev) qoriq_priv->type = (enum ahci_qoriq_type)of_id->data; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "sata-ecc"); - if (res) { - qoriq_priv->ecc_addr = devm_ioremap_resource(dev, res); - if (IS_ERR(qoriq_priv->ecc_addr)) - return PTR_ERR(qoriq_priv->ecc_addr); + if (unlikely(!ecc_initialized)) { + res = platform_get_resource_byname(pdev, + IORESOURCE_MEM, + "sata-ecc"); + if (res) { + qoriq_priv->ecc_addr = + devm_ioremap_resource(dev, res); + if (IS_ERR(qoriq_priv->ecc_addr)) + return PTR_ERR(qoriq_priv->ecc_addr); + } } + qoriq_priv->is_dmacoherent = of_dma_is_coherent(np); rc = ahci_platform_enable_resources(hpriv); -- 1.7.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-20 8:56 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-20 8:56 [v6 1/3] dt-bindings: ahci-fsl-qoriq: add lx2160a chip name to the list Peng Ma 2019-02-20 8:56 ` Peng Ma 2019-02-20 8:56 ` [v6 2/3] arm64: dts: lx2160a: add sata node support Peng Ma 2019-02-20 8:56 ` Peng Ma 2019-02-20 8:56 ` Peng Ma [this message] 2019-02-20 8:56 ` [v6 3/3] ahci: qoriq: add lx2160 platforms support Peng Ma 2019-02-22 14:39 ` [v6 1/3] dt-bindings: ahci-fsl-qoriq: add lx2160a chip name to the list Rob Herring 2019-02-22 14:39 ` Rob Herring 2019-02-22 14:39 ` Rob Herring 2019-03-11 6:56 ` Peng Ma 2019-03-11 6:56 ` Peng Ma 2019-03-11 21:39 ` Rob Herring 2019-03-11 21:39 ` Rob Herring 2019-03-11 21:39 ` Rob Herring
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20190220085607.31582-3-peng.ma@nxp.com \ --to=peng.ma@nxp.com \ --cc=andy.tang@nxp.com \ --cc=axboe@kernel.dk \ --cc=devicetree@vger.kernel.org \ --cc=leoyang.li@nxp.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-ide@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mark.rutland@arm.com \ --cc=robh+dt@kernel.org \ --cc=shawnguo@kernel.org \ --cc=yousaf.kaukab@suse.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.