{"id":2231056,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2231056/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260430-952netc-v1-1-9a0b2641a56c@nxp.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260430-952netc-v1-1-9a0b2641a56c@nxp.com>","date":"2026-04-30T10:04:10","name":"[v3] net: fsl_enetc: Add support for i.MX952","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"94b2baaf4ba0fcf83c9b07f4b3a8ca1eef7fb5ff","submitter":{"id":80695,"url":"http://patchwork.ozlabs.org/api/1.1/people/80695/?format=json","name":"Alice Guo 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phobos.denx.de","X-Virus-Status":"Clean"},"content":"From: Ye Li \n\nExtend ENETC driver to support i.MX952 platform where 2 ENETC\ncontrollers are located on different PCIe buses.\n\nKey changes:\n- Add enetc_dev_id_imx() to derive device ID from device tree \"reg\"\n property for i.MX952, mapping bus_devfn values 0x0 and 0x100 to device\n IDs 0 and 1 respectively\n- Implement imx952_netcmix_init() to configure MII protocol and PCS\n settings based on PHY mode parsed from device tree\n- Add i.MX952 to FSL_ENETC_NETC_BLK_CTRL Kconfig dependencies\n\nSigned-off-by: Ye Li \nSigned-off-by: Alice Guo \nReviewed-by: Peng Fan \n---\nThis is a resend of the v3 patch series with the first one patch\nremoved.\n\nThere are no other changes compared to the previous v3 submission.\n---\n drivers/net/Kconfig | 4 +-\n drivers/net/fsl_enetc.c | 28 +++++++++++++-\n drivers/net/fsl_enetc_netc_blk_ctrl.c | 72 +++++++++++++++++++++++++++++++++++\n 3 files changed, 101 insertions(+), 3 deletions(-)\n\n\n---\nbase-commit: 4433253ecf2041f9362a763bb6cb79960921ac7e\nchange-id: 20260430-952netc-168485943bab\n\nBest regards,\n-- \nAlice Guo ","diff":"diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig\nindex 666618681df..f2e838b84de 100644\n--- a/drivers/net/Kconfig\n+++ b/drivers/net/Kconfig\n@@ -1018,8 +1018,8 @@ config FSL_ENETC\n config FSL_ENETC_NETC_BLK_CTRL\n \tbool \"NXP ENETC NETC blocks control driver\"\n \tdepends on FSL_ENETC\n-\tdepends on IMX95 || IMX94\n-\tdefault y if IMX95 || IMX94\n+\tdepends on IMX95 || IMX94 || IMX952\n+\tdefault y if IMX95 || IMX94 || IMX952\n \thelp\n \t This driver configures Integrated Endpoint Register Block (IERB) and\n \t Privileged Register Block (PRB) of NETC. For i.MX platforms, it also\ndiff --git a/drivers/net/fsl_enetc.c b/drivers/net/fsl_enetc.c\nindex 206f1a381bb..2e0683e8f34 100644\n--- a/drivers/net/fsl_enetc.c\n+++ b/drivers/net/fsl_enetc.c\n@@ -74,10 +74,36 @@ static int enetc_is_ls1028a(struct udevice *dev)\n \t pplat->vendor == PCI_VENDOR_ID_FREESCALE;\n }\n \n+static int enetc_dev_id_imx(struct udevice *dev)\n+{\n+\tif (IS_ENABLED(CONFIG_IMX952)) {\n+\t\tint bus_devfn;\n+\t\tu32 reg[5];\n+\t\tint error;\n+\n+\t\terror = dev_read_u32_array(dev, \"reg\", reg, ARRAY_SIZE(reg));\n+\t\tif (error)\n+\t\t\treturn error;\n+\n+\t\tbus_devfn = (reg[0] >> 8) & 0xffff;\n+\n+\t\tswitch (bus_devfn) {\n+\t\tcase 0:\n+\t\t\treturn 0;\n+\t\tcase 0x100:\n+\t\t\treturn 1;\n+\t\tdefault:\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t}\n+\n+\treturn PCI_DEV(pci_get_devfn(dev)) >> 3;\n+}\n+\n static int enetc_dev_id(struct udevice *dev)\n {\n \tif (enetc_is_imx95(dev))\n-\t\treturn PCI_DEV(pci_get_devfn(dev)) >> 3;\n+\t\treturn enetc_dev_id_imx(dev);\n \tif (enetc_is_ls1028a(dev))\n \t\treturn PCI_FUNC(pci_get_devfn(dev));\n \ndiff --git a/drivers/net/fsl_enetc_netc_blk_ctrl.c b/drivers/net/fsl_enetc_netc_blk_ctrl.c\nindex 8577bb75632..0c87d80ea5c 100644\n--- a/drivers/net/fsl_enetc_netc_blk_ctrl.c\n+++ b/drivers/net/fsl_enetc_netc_blk_ctrl.c\n@@ -35,6 +35,7 @@\n #define MII_PROT_RGMII\t\t\t0x2\n #define MII_PROT_SERIAL\t\t0x3\n #define MII_PROT(port, prot)\t\t(((prot) & 0xf) << ((port) << 2))\n+#define MII_PROT_GET(reg, port)\t(((reg) >> ((port) << 2)) & 0xf)\n \n #define IMX95_CFG_LINK_PCS_PROT(a)\t(0x8 + (a) * 4)\n #define PCS_PROT_1G_SGMII\t\tBIT(0)\n@@ -97,6 +98,9 @@\n #define IMX94_TIMER1_ID\t\t\t1\n #define IMX94_TIMER2_ID\t\t\t2\n \n+#define IMX952_ENETC0_BUS_DEVFN\t\t0x0\n+#define IMX952_ENETC1_BUS_DEVFN\t\t0x100\n+\n /* Flags for different platforms */\n #define NETC_HAS_NETCMIX\t\tBIT(0)\n \n@@ -567,6 +571,69 @@ static int netc_prb_check_error(struct netc_blk_ctrl *priv)\n \treturn 0;\n }\n \n+static int imx952_netcmix_init(struct udevice *dev)\n+{\n+\tstruct netc_blk_ctrl *priv = dev_get_priv(dev);\n+\tofnode child, gchild;\n+\tphy_interface_t interface;\n+\tint bus_devfn, mii_proto;\n+\tu32 val;\n+\n+\t/* Default setting */\n+\tval = MII_PROT(0, MII_PROT_RGMII) | MII_PROT(1, MII_PROT_RGMII);\n+\n+\t/* Update the link MII protocol through parsing phy-mode */\n+\tdev_for_each_subnode(child, dev) {\n+\t\tif (!ofnode_is_enabled(child))\n+\t\t\tcontinue;\n+\n+\t\tofnode_for_each_subnode(gchild, child) {\n+\t\t\tif (!ofnode_is_enabled(gchild))\n+\t\t\t\tcontinue;\n+\n+\t\t\tif (!ofnode_device_is_compatible(gchild, \"pci1131,e101\"))\n+\t\t\t\tcontinue;\n+\n+\t\t\tbus_devfn = netc_of_pci_get_bus_devfn(gchild);\n+\t\t\tif (bus_devfn < 0)\n+\t\t\t\treturn -EINVAL;\n+\n+\t\t\tinterface = ofnode_read_phy_mode(gchild);\n+\t\t\tif (interface == -1)\n+\t\t\t\tcontinue;\n+\n+\t\t\tmii_proto = netc_get_link_mii_protocol(interface);\n+\t\t\tif (mii_proto < 0)\n+\t\t\t\treturn -EINVAL;\n+\n+\t\t\tswitch (bus_devfn) {\n+\t\t\tcase IMX952_ENETC0_BUS_DEVFN:\n+\t\t\t\tval &= ~CFG_LINK_MII_PORT_0;\n+\t\t\t\tval |= FIELD_PREP(CFG_LINK_MII_PORT_0, mii_proto);\n+\t\t\t\tbreak;\n+\t\t\tcase IMX952_ENETC1_BUS_DEVFN:\n+\t\t\t\tval &= ~CFG_LINK_MII_PORT_1;\n+\t\t\t\tval |= FIELD_PREP(CFG_LINK_MII_PORT_1, mii_proto);\n+\t\t\t\tbreak;\n+\t\t\tdefault:\n+\t\t\t\treturn -EINVAL;\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\tif (MII_PROT_GET(val, 1) == MII_PROT_SERIAL) {\n+\t\t/* Configure Link I/O variant */\n+\t\tnetc_reg_write(priv->netcmix, IMX95_CFG_LINK_IO_VAR,\n+\t\t\t IO_VAR(1, IO_VAR_16FF_16G_SERDES));\n+\t\t/* Configure Link 2 PCS protocol */\n+\t\tnetc_reg_write(priv->netcmix, IMX95_CFG_LINK_PCS_PROT(1),\n+\t\t\t PCS_PROT_2500M_SGMII);\n+\t}\n+\tnetc_reg_write(priv->netcmix, IMX95_CFG_LINK_MII_PROT, val);\n+\n+\treturn 0;\n+}\n+\n static const struct netc_devinfo imx95_devinfo = {\n \t.netcmix_init = imx95_netcmix_init,\n \t.ierb_init = imx95_ierb_init,\n@@ -578,9 +645,14 @@ static const struct netc_devinfo imx94_devinfo = {\n \t.xpcs_port_init = imx94_netc_xpcs_port_init,\n };\n \n+static const struct netc_devinfo imx952_devinfo = {\n+\t.netcmix_init = imx952_netcmix_init,\n+};\n+\n static const struct udevice_id netc_blk_ctrl_match[] = {\n \t{ .compatible = \"nxp,imx95-netc-blk-ctrl\", .data = (ulong)&imx95_devinfo },\n \t{ .compatible = \"nxp,imx94-netc-blk-ctrl\", .data = (ulong)&imx94_devinfo },\n+\t{ .compatible = \"nxp,imx952-netc-blk-ctrl\", .data = (ulong)&imx952_devinfo },\n \t{},\n };\n \n","prefixes":["v3"]}