[{"id":3675441,"web_url":"http://patchwork.ozlabs.org/comment/3675441/","msgid":"<20260409163321.GN41863@bill-the-cat>","list_archive_url":null,"date":"2026-04-09T16:33:21","subject":"Re: [PATCH 0/9] arm: hpe: Add HPE GSC (Gen12) BMC SoC support","submitter":{"id":65875,"url":"http://patchwork.ozlabs.org/api/people/65875/","name":"Tom Rini","email":"trini@konsulko.com"},"content":"On Wed, Apr 08, 2026 at 07:24:12PM +0000, Jorge Cisneros wrote:\n\n> This series adds support for the HPE GSC (Gen Server Controller), an\n> ARM64-based BMC SoC used in HPE ProLiant and Synergy Gen12 servers.\n> \n> The GSC is the successor to the GXP SoC (already upstream) used in\n> Gen11 servers. It features dual Cortex-A35 cores with GICv3, a Denali\n> DDR memory controller, Cadence GEM Ethernet (SGMII), and reuses several\n> GXP IP blocks (timer, SPI, I2C).\n> \n> The existing ARCH_GXP Kconfig symbol is renamed to ARCH_HPE to serve as\n> an umbrella for both the GXP (ARMv7) and GSC (ARMv8) SoC variants,\n> selected via a choice menu under mach-hpe.\n> \n> New drivers:\n> - Watchdog (drivers/watchdog/gsc_wdt.c)\n> - Memory-mapped virtual EEPROM for VPD (drivers/misc/gsc_mem_eeprom.c)\n> - Cadence GEM support added to the existing MACB driver\n> \n> Board support includes DRAM sizing from the Denali memory controller,\n> MAC address provisioning from VPD EEPROM, FDT fixups for network\n> configuration, shared Ethernet/DisplayPort PHY initialization, and a\n> server_id command for reading server identification from the CPLD.\n> \n> Notes:\n> - The server_id command (patch 7) is hardware-specific and reads from\n> GSC CPLD registers, so no sandbox test is included.\n> - MAINTAINERS warnings in patches 1-8 are resolved by patch 9.\n> \n> Based on v2026.04-rc4 (ba7bf918dafcd093ad733b07ba490baeb20cf5da).\n> Tested: both gxp_defconfig and gsc_defconfig build cleanly.\n\nThanks for posting this. I have just a few comments to follow.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com header.a=rsa-sha256\n header.s=google header.b=ZW8xMVDX;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=konsulko.com header.i=@konsulko.com\n header.b=\"ZW8xMVDX\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=konsulko.com","phobos.denx.de;\n spf=pass smtp.mailfrom=trini@konsulko.com"],"Received":["from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fs7NJ0V6Dz1yCv\n\tfor ; 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