diff options
Diffstat (limited to 'drivers/net/ethernet/ti')
-rw-r--r-- | drivers/net/ethernet/ti/am65-cpsw-nuss.c | 47 | ||||
-rw-r--r-- | 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; |