From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23EEDC433F5 for ; Thu, 29 Sep 2022 14:25:10 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4MdbH84nPZz3c8c for ; Fri, 30 Sep 2022 00:25:08 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=mZDnihUS; dkim-atps=neutral Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4MdbFJ4v4Mz3bSX for ; Fri, 30 Sep 2022 00:23:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=mZDnihUS; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4MdbFJ45hGz4xG6; Fri, 30 Sep 2022 00:23:32 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1664461412; bh=Cb/cTHXpcBtzZbP1obHiikKKNM4JCw9+64ilWViZ5lk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mZDnihUSAvPPuAE+pg239JcFJD8/qPMP0jEc1O4movKd1j/WgETEUAURefN+ttxJU Gd6/BKfurTpZ2/TrQ9h3wWaitLD+Zf6VuSZXrHA1xz+vl1iFBvw0SWTJuwd38/6ufk uhtR0vv0lpWmDaNoX6JB2vhISAGPb+fm3ziobynQ+Uba3Jnqcz2uBjhgA21QHaRkr5 xrQXe/do5oe5AbIak7o3zYPiV0oXx7Xj9vms/8Jpa4kkc9o3nS1RDFIFbAsoM6T7cM uPceBP0/eAKr5xMA1KZuOE5bib9xjudQzfSkneqLa6BK6iiU/uN2OsHoUaPhSUsVF8 jBW4hp5qp9A2Q== From: Michael Ellerman To: Subject: [PATCH v2 3/6] powerpc/64: Add logical PVR to the hardware description Date: Fri, 30 Sep 2022 00:22:48 +1000 Message-Id: <20220929142251.1987025-3-mpe@ellerman.id.au> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220929142251.1987025-1-mpe@ellerman.id.au> References: <20220929142251.1987025-1-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nathanl@linux.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" If we detect a logical PVR add that to the hardware description, which is printed at boot and in case of an oops. eg: Hardware name: ... lpvr:0xf000004 Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/prom.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index b42e2dbeb021..8c4cce6dc1e8 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -390,8 +390,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node, */ if (!dt_cpu_ftrs_in_use()) { prop = of_get_flat_dt_prop(node, "cpu-version", NULL); - if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) + if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) { identify_cpu(0, be32_to_cpup(prop)); + seq_buf_printf(&ppc_hw_desc, "lpvr:0x%04x ", be32_to_cpup(prop)); + } check_cpu_feature_properties(node); check_cpu_features(node, "ibm,pa-features", ibm_pa_features, -- 2.37.3