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GET /api/patches/2217049/?format=api
{ "id": 2217049, "url": "http://patchwork.ozlabs.org/api/patches/2217049/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260327141029.628483-7-uros.stajic@htecgroup.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327141029.628483-7-uros.stajic@htecgroup.com>", "list_archive_url": null, "date": "2026-03-27T14:14:49", "name": "[v6,6/7] net: pch_gbe: Add PHY reset and MAC address fallback for RISC-V", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8c29f4b00ec19cb4369650e0de8166303b07e1e6", "submitter": { "id": 90991, "url": "http://patchwork.ozlabs.org/api/people/90991/?format=api", "name": "Uros Stajic", "email": "uros.stajic@htecgroup.com" }, "delegate": { "id": 20174, "url": "http://patchwork.ozlabs.org/api/users/20174/?format=api", "username": "Andes", "first_name": "Andes", "last_name": "", "email": "uboot@andestech.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260327141029.628483-7-uros.stajic@htecgroup.com/mbox/", "series": [ { "id": 497792, "url": "http://patchwork.ozlabs.org/api/series/497792/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=497792", "date": "2026-03-27T14:10:46", "name": "riscv: Add support for P8700 platform on Boston board", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/497792/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217049/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217049/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": 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b=J8ct5QrfrBHEzjnbnY/QM75U1N3whNgbSWxRofuNWNFzjo1MQT6bY7aTacAwadv7agnLMaSUIVPkFV8XJOH4Ga4rrKGErKnTpLsZ/T3o5XckvzBeDyylyz8w3z5QdGEDDaiPwlU0uRdIhOJM4f8zdYocFm6ngsLL7bh5gVYtiYXp3/l+fUBTGSoAaWUUhdbztiCOSG7+OysNNjODQlSZncRKh+NAd2Jz6mkTcTXf7PmYpntnQGmi/IoSd+IVSDVMdC4FPfrMviJs1vXc6LzGDIOUe6Z85XVTnU1s1oSRDWBxGA2T2czehDY0QK6tfawxcFR22qDYJuyV7J6akZ48vQ==", "From": "Uros Stajic <uros.stajic@htecgroup.com>", "To": "\"u-boot@lists.denx.de\" <u-boot@lists.denx.de>", "CC": "Djordje Todorovic <Djordje.Todorovic@htecgroup.com>, Chao-ying Fu\n <cfu@mips.com>, Uros Stajic <uros.stajic@htecgroup.com>", "Subject": "[PATCH v6 6/7] net: pch_gbe: Add PHY reset and MAC address fallback\n for RISC-V", "Thread-Topic": "[PATCH v6 6/7] net: pch_gbe: Add PHY reset and MAC address\n fallback for RISC-V", "Thread-Index": "AQHcvfQS/7AmeLdIUkOBVc3vFr9Rbg==", "Date": "Fri, 27 Mar 2026 14:14:49 +0000", "Message-ID": "<20260327141029.628483-7-uros.stajic@htecgroup.com>", "References": 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"Content-Type": "text/plain; charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-OriginatorOrg": "htecgroup.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "PA3PR09MB8140.eurprd09.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n e9711e9a-2723-465f-e38c-08de8c0b3529", "X-MS-Exchange-CrossTenant-originalarrivaltime": "27 Mar 2026 14:14:49.7581 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "9f85665b-7efd-4776-9dfe-b6bfda2565ee", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n ezkav1XCz1/khP0wSOHBiCWxz6fVPt26CGciMAAmP0NJCFPp5XYMBVdO6+ja9c3eidA5zTw7ubTjcFPkr80IdeM02t3QqqcZdmJsS7j5YgY=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "AM8PR09MB5398", "X-Mailman-Approved-At": "Fri, 27 Mar 2026 17:24:54 +0100", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "From: Chao-ying Fu <cfu@mips.com>\n\nAdd optional PHY reset support via GPIO defined in the device tree.\n\nImprove robustness by handling probe errors and falling back to the\nenvironment-provided MAC address if no hardware MAC is found.\n\nSigned-off-by: Chao-ying Fu <cfu@mips.com>\nSigned-off-by: Uros Stajic <uros.stajic@htecgroup.com>\n---\n board/mips/boston-riscv/Kconfig | 4 ++++\n drivers/net/pch_gbe.c | 37 +++++++++++++++++++++++++++++++--\n drivers/net/pch_gbe.h | 1 +\n 3 files changed, 40 insertions(+), 2 deletions(-)", "diff": "diff --git a/board/mips/boston-riscv/Kconfig b/board/mips/boston-riscv/Kconfig\nindex bada4b6752d..f11ae736db4 100644\n--- a/board/mips/boston-riscv/Kconfig\n+++ b/board/mips/boston-riscv/Kconfig\n@@ -40,4 +40,8 @@ config PHY_REALTEK\n \tbool\n \tdefault y\n \n+config TFTP_FILE_NAME_MAX_LEN\n+\tint \"Maximum length of TFTP file name\"\n+\tdefault 256\n+\n endif\ndiff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c\nindex adeca3d040d..380dc339e50 100644\n--- a/drivers/net/pch_gbe.c\n+++ b/drivers/net/pch_gbe.c\n@@ -7,6 +7,7 @@\n \n #include <cpu_func.h>\n #include <dm.h>\n+#include <env.h>\n #include <errno.h>\n #include <log.h>\n #include <malloc.h>\n@@ -15,6 +16,7 @@\n #include <miiphy.h>\n #include <linux/delay.h>\n #include \"pch_gbe.h\"\n+#include <asm-generic/gpio.h>\n \n #if !defined(CONFIG_PHYLIB)\n # error \"PCH Gigabit Ethernet driver requires PHYLIB - missing CONFIG_PHYLIB\"\n@@ -33,6 +35,13 @@ static void pch_gbe_mac_read(struct pch_gbe_regs *mac_regs, u8 *addr)\n \tmacid_lo = readl(&mac_regs->mac_adr[0].low) & 0xffff;\n \tdebug(\"pch_gbe: macid_hi %#x macid_lo %#x\\n\", macid_hi, macid_lo);\n \n+\tif (!macid_lo && !macid_hi) {\n+\t\tif (eth_env_get_enetaddr(\"ethaddr\", addr))\n+\t\t\treturn;\n+\n+\t\tprintf(\"No MAC found in either EG20T H/W or environment\");\n+\t}\n+\n \taddr[0] = (u8)(macid_hi & 0xff);\n \taddr[1] = (u8)((macid_hi >> 8) & 0xff);\n \taddr[2] = (u8)((macid_hi >> 16) & 0xff);\n@@ -74,6 +83,14 @@ static int pch_gbe_reset(struct udevice *dev)\n \tpriv->rx_idx = 0;\n \tpriv->tx_idx = 0;\n \n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset)) {\n+\t\t/* Reset the PHY */\n+\t\tdm_gpio_set_value(&priv->gpio_phy_reset, 1);\n+\t\tudelay(15000);\n+\t\tdm_gpio_set_value(&priv->gpio_phy_reset, 0);\n+\t\tudelay(5000);\n+\t}\n+\n \twritel(PCH_GBE_ALL_RST, &mac_regs->reset);\n \n \t/*\n@@ -450,6 +467,11 @@ static int pch_gbe_probe(struct udevice *dev)\n \tplat->iobase = (ulong)iobase;\n \tpriv->mac_regs = (struct pch_gbe_regs *)iobase;\n \n+\terr = gpio_request_by_name(dev, \"phy-reset-gpios\", 0,\n+\t\t\t\t &priv->gpio_phy_reset, GPIOD_IS_OUT);\n+\tif (err && (err != -ENOENT))\n+\t\treturn err;\n+\n \t/* Read MAC address from SROM and initialize dev->enetaddr with it */\n \tpch_gbe_mac_read(priv->mac_regs, plat->enetaddr);\n \n@@ -459,9 +481,17 @@ static int pch_gbe_probe(struct udevice *dev)\n \n \terr = pch_gbe_reset(dev);\n \tif (err)\n-\t\treturn err;\n+\t\tgoto out_err;\n+\n+\terr = pch_gbe_phy_init(dev);\n+\tif (err)\n+\t\tgoto out_err;\n \n-\treturn pch_gbe_phy_init(dev);\n+\treturn 0;\n+out_err:\n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset))\n+\t\tdm_gpio_free(dev, &priv->gpio_phy_reset);\n+\treturn err;\n }\n \n static int pch_gbe_remove(struct udevice *dev)\n@@ -472,6 +502,9 @@ static int pch_gbe_remove(struct udevice *dev)\n \tmdio_unregister(priv->bus);\n \tmdio_free(priv->bus);\n \n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset))\n+\t\tdm_gpio_free(dev, &priv->gpio_phy_reset);\n+\n \treturn 0;\n }\n \ndiff --git a/drivers/net/pch_gbe.h b/drivers/net/pch_gbe.h\nindex 7e0fdbfd5a3..dcbb94094bc 100644\n--- a/drivers/net/pch_gbe.h\n+++ b/drivers/net/pch_gbe.h\n@@ -292,6 +292,7 @@ struct pch_gbe_priv {\n \tstruct udevice *dev;\n \tint rx_idx;\n \tint tx_idx;\n+\tstruct gpio_desc gpio_phy_reset;\n };\n \n #endif /* _PCH_GBE_H_ */\n", "prefixes": [ "v6", "6/7" ] }