From: Grygorii Strashko <grygorii.strashko@ti.com> To: "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>, Jakub Kicinski <kuba@kernel.org> Cc: Sekhar Nori <nsekhar@ti.com>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, Murali Karicheri <m-karicheri2@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>, Jan Kiszka <jan.kiszka@siemens.com>, Grygorii Strashko <grygorii.strashko@ti.com> Subject: [PATCH net-next 6/6] net: ethernet: ti: am65-cpsw-nuss: enable am65x sr2.0 support Date: Fri, 26 Jun 2020 21:17:09 +0300 [thread overview] Message-ID: <20200626181709.22635-7-grygorii.strashko@ti.com> (raw) In-Reply-To: <20200626181709.22635-1-grygorii.strashko@ti.com> The AM65x SR2.0 MCU CPSW has fixed errata i2027 "CPSW: CPSW Does Not Support CPPI Receive Checksum (Host to Ethernet) Offload Feature". This errata also fixed for J271E SoC. Use SOC bus data for K3 SoC identification and apply i2027 errata w/a only for the AM65x SR1.0 SoC. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 47 ++++++++++++++++++++---- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 2 +- 2 files changed, 41 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 7a921a480f29..9fdcd90e8323 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -23,6 +23,7 @@ #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> +#include <linux/sys_soc.h> #include <linux/dma/ti-cppi5.h> #include <linux/dma/k3-udma-glue.h> @@ -148,10 +149,11 @@ static void am65_cpsw_nuss_get_ver(struct am65_cpsw_common *common) common->nuss_ver = readl(common->ss_base); common->cpsw_ver = readl(common->cpsw_base); dev_info(common->dev, - "initializing am65 cpsw nuss version 0x%08X, cpsw version 0x%08X Ports: %u\n", + "initializing am65 cpsw nuss version 0x%08X, cpsw version 0x%08X Ports: %u quirks:%08x\n", common->nuss_ver, common->cpsw_ver, - common->port_num + 1); + common->port_num + 1, + common->pdata.quirks); } void am65_cpsw_nuss_adjust_link(struct net_device *ndev) @@ -1877,7 +1879,7 @@ static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) port->ndev->ethtool_ops = &am65_cpsw_ethtool_ops_slave; /* Disable TX checksum offload by default due to HW bug */ - if (common->pdata->quirks & AM65_CPSW_QUIRK_I2027_NO_TX_CSUM) + if (common->pdata.quirks & AM65_CPSW_QUIRK_I2027_NO_TX_CSUM) port->ndev->features &= ~NETIF_F_HW_CSUM; ndev_priv->stats = netdev_alloc_pcpu_stats(struct am65_cpsw_ndev_stats); @@ -1981,21 +1983,50 @@ static void am65_cpsw_nuss_cleanup_ndev(struct am65_cpsw_common *common) } } +struct am65_cpsw_soc_pdata { + u32 quirks_dis; +}; + +static const struct am65_cpsw_soc_pdata am65x_soc_sr2_0 = { + .quirks_dis = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, +}; + +static const struct soc_device_attribute am65_cpsw_socinfo[] = { + { .family = "AM65X", + .revision = "SR2.0", + .data = &am65x_soc_sr2_0 + }, + {/* sentinel */} +}; + static const struct am65_cpsw_pdata am65x_sr1_0 = { .quirks = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, }; -static const struct am65_cpsw_pdata j721e_sr1_0 = { +static const struct am65_cpsw_pdata j721e_pdata = { .quirks = 0, }; static const struct of_device_id am65_cpsw_nuss_of_mtable[] = { - { .compatible = "ti,am654-cpsw-nuss", .data = &am65x_sr1_0 }, - { .compatible = "ti,j721e-cpsw-nuss", .data = &j721e_sr1_0 }, + { .compatible = "ti,am654-cpsw-nuss", .data = &am65x_sr1_0}, + { .compatible = "ti,j721e-cpsw-nuss", .data = &j721e_pdata}, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, am65_cpsw_nuss_of_mtable); +static void am65_cpsw_nuss_apply_socinfo(struct am65_cpsw_common *common) +{ + const struct soc_device_attribute *soc; + + soc = soc_device_match(am65_cpsw_socinfo); + if (soc && soc->data) { + const struct am65_cpsw_soc_pdata *socdata = soc->data; + + /* disable quirks */ + common->pdata.quirks &= ~socdata->quirks_dis; + } +} + static int am65_cpsw_nuss_probe(struct platform_device *pdev) { struct cpsw_ale_params ale_params = { 0 }; @@ -2014,7 +2045,9 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) of_id = of_match_device(am65_cpsw_nuss_of_mtable, dev); if (!of_id) return -EINVAL; - common->pdata = of_id->data; + common->pdata = *(const struct am65_cpsw_pdata *)of_id->data; + + am65_cpsw_nuss_apply_socinfo(common); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cpsw_nuss"); common->ss_base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index 9faf4fb1409b..94f666ea0e53 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -82,7 +82,7 @@ struct am65_cpsw_pdata { struct am65_cpsw_common { struct device *dev; struct device *mdio_dev; - const struct am65_cpsw_pdata *pdata; + struct am65_cpsw_pdata pdata; void __iomem *ss_base; void __iomem *cpsw_base; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Grygorii Strashko <grygorii.strashko@ti.com> To: "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>, Jakub Kicinski <kuba@kernel.org> Cc: Grygorii Strashko <grygorii.strashko@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>, Jan Kiszka <jan.kiszka@siemens.com>, Sekhar Nori <nsekhar@ti.com>, linux-kernel@vger.kernel.org, Murali Karicheri <m-karicheri2@ti.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 6/6] net: ethernet: ti: am65-cpsw-nuss: enable am65x sr2.0 support Date: Fri, 26 Jun 2020 21:17:09 +0300 [thread overview] Message-ID: <20200626181709.22635-7-grygorii.strashko@ti.com> (raw) In-Reply-To: <20200626181709.22635-1-grygorii.strashko@ti.com> The AM65x SR2.0 MCU CPSW has fixed errata i2027 "CPSW: CPSW Does Not Support CPPI Receive Checksum (Host to Ethernet) Offload Feature". This errata also fixed for J271E SoC. Use SOC bus data for K3 SoC identification and apply i2027 errata w/a only for the AM65x SR1.0 SoC. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 47 ++++++++++++++++++++---- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 2 +- 2 files changed, 41 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 7a921a480f29..9fdcd90e8323 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -23,6 +23,7 @@ #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> +#include <linux/sys_soc.h> #include <linux/dma/ti-cppi5.h> #include <linux/dma/k3-udma-glue.h> @@ -148,10 +149,11 @@ static void am65_cpsw_nuss_get_ver(struct am65_cpsw_common *common) common->nuss_ver = readl(common->ss_base); common->cpsw_ver = readl(common->cpsw_base); dev_info(common->dev, - "initializing am65 cpsw nuss version 0x%08X, cpsw version 0x%08X Ports: %u\n", + "initializing am65 cpsw nuss version 0x%08X, cpsw version 0x%08X Ports: %u quirks:%08x\n", common->nuss_ver, common->cpsw_ver, - common->port_num + 1); + common->port_num + 1, + common->pdata.quirks); } void am65_cpsw_nuss_adjust_link(struct net_device *ndev) @@ -1877,7 +1879,7 @@ static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) port->ndev->ethtool_ops = &am65_cpsw_ethtool_ops_slave; /* Disable TX checksum offload by default due to HW bug */ - if (common->pdata->quirks & AM65_CPSW_QUIRK_I2027_NO_TX_CSUM) + if (common->pdata.quirks & AM65_CPSW_QUIRK_I2027_NO_TX_CSUM) port->ndev->features &= ~NETIF_F_HW_CSUM; ndev_priv->stats = netdev_alloc_pcpu_stats(struct am65_cpsw_ndev_stats); @@ -1981,21 +1983,50 @@ static void am65_cpsw_nuss_cleanup_ndev(struct am65_cpsw_common *common) } } +struct am65_cpsw_soc_pdata { + u32 quirks_dis; +}; + +static const struct am65_cpsw_soc_pdata am65x_soc_sr2_0 = { + .quirks_dis = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, +}; + +static const struct soc_device_attribute am65_cpsw_socinfo[] = { + { .family = "AM65X", + .revision = "SR2.0", + .data = &am65x_soc_sr2_0 + }, + {/* sentinel */} +}; + static const struct am65_cpsw_pdata am65x_sr1_0 = { .quirks = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, }; -static const struct am65_cpsw_pdata j721e_sr1_0 = { +static const struct am65_cpsw_pdata j721e_pdata = { .quirks = 0, }; static const struct of_device_id am65_cpsw_nuss_of_mtable[] = { - { .compatible = "ti,am654-cpsw-nuss", .data = &am65x_sr1_0 }, - { .compatible = "ti,j721e-cpsw-nuss", .data = &j721e_sr1_0 }, + { .compatible = "ti,am654-cpsw-nuss", .data = &am65x_sr1_0}, + { .compatible = "ti,j721e-cpsw-nuss", .data = &j721e_pdata}, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, am65_cpsw_nuss_of_mtable); +static void am65_cpsw_nuss_apply_socinfo(struct am65_cpsw_common *common) +{ + const struct soc_device_attribute *soc; + + soc = soc_device_match(am65_cpsw_socinfo); + if (soc && soc->data) { + const struct am65_cpsw_soc_pdata *socdata = soc->data; + + /* disable quirks */ + common->pdata.quirks &= ~socdata->quirks_dis; + } +} + static int am65_cpsw_nuss_probe(struct platform_device *pdev) { struct cpsw_ale_params ale_params = { 0 }; @@ -2014,7 +2045,9 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) of_id = of_match_device(am65_cpsw_nuss_of_mtable, dev); if (!of_id) return -EINVAL; - common->pdata = of_id->data; + common->pdata = *(const struct am65_cpsw_pdata *)of_id->data; + + am65_cpsw_nuss_apply_socinfo(common); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cpsw_nuss"); common->ss_base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index 9faf4fb1409b..94f666ea0e53 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -82,7 +82,7 @@ struct am65_cpsw_pdata { struct am65_cpsw_common { struct device *dev; struct device *mdio_dev; - const struct am65_cpsw_pdata *pdata; + struct am65_cpsw_pdata pdata; void __iomem *ss_base; void __iomem *cpsw_base; -- 2.17.1 _______________________________________________ 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:[~2020-06-26 18:17 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-26 18:17 [PATCH net-next 0/6] net: ethernet: ti: am65-cpsw: update and enable sr2.0 soc Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` [PATCH net-next 1/6] net: ethernet: ti: am65-cpsw-nuss: restore vlan configuration while down/up Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` [PATCH net-next 2/6] net: ethernet: ti: am65-cpsw: move to pf_p0_rx_ptype_rrobin init in probe Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` [PATCH net-next 3/6] net: ethernet: ti: am65-cpsw-nuss: fix ports mac sl initialization Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` [PATCH net-next 4/6] net: ethernet: ti: am65-cpsw-ethtool: skip hw cfg when change p0-rx-ptype-rrobin Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` [PATCH net-next 5/6] net: ethernet: ti: am65-cpsw-ethtool: configured critical setting only when no running netdevs Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko 2020-06-26 18:17 ` Grygorii Strashko [this message] 2020-06-26 18:17 ` [PATCH net-next 6/6] net: ethernet: ti: am65-cpsw-nuss: enable am65x sr2.0 support Grygorii Strashko 2020-06-30 0:06 ` [PATCH net-next 0/6] net: ethernet: ti: am65-cpsw: update and enable sr2.0 soc David Miller 2020-06-30 0:06 ` David Miller
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