From patchwork Fri Sep 30 08:27:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Ellerman X-Patchwork-Id: 1684768 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.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=nhy6E9Wt; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Mf3Mq2RQMz1ypH for ; 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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 4Mf3K944XMz4xGm; Fri, 30 Sep 2022 18:28:29 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1664526509; bh=cuRe7ACngr4EwXps7keAtmm1T8/1oPEFS+upHj1ONDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nhy6E9WtULvQFqG5tZw8Y7c6v/+GGZl94vVE5w58Kt7x3CzAWlXGt1sW3B6PXAvUu v4R72nV6KTxPJN1KnCp/ne5lqQHUX4hYwLvdMIe3Ym58ngFzrgQReBu1+HcHhC8H/v qHaM7vkTggySfIbocave302USAvT4vA6NczBXvhGHUsRfv04JQv01z9qBLzneQUFZn ANOpn741AKjI3daiLye6Wen7T2nfpcEDYoreRnpko/3n4SyVRr8BKQ8UplRrtx35S6 EHrbJ5w/x+IEP2CKJOgZiNSydfhldJ/SryY5G2K2Huwqr8U7pl7i0xywSKowXFxUhN 638XmNJw9nOaQ== From: Michael Ellerman To: Subject: [PATCH v3 5/6] powerpc/powernv: Add opal details to the hardware description Date: Fri, 30 Sep 2022 18:27:08 +1000 Message-Id: <20220930082709.55830-5-mpe@ellerman.id.au> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220930082709.55830-1-mpe@ellerman.id.au> References: <20220930082709.55830-1-mpe@ellerman.id.au> MIME-Version: 1.0 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+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Add OPAL version details to the hardware description, which is printed at boot and in case of an oops. eg: Hardware name: ... opal:v6.2 Signed-off-by: Michael Ellerman --- arch/powerpc/platforms/powernv/setup.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) v3: Drop quotes for brevity. diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index dac545aa0308..61ab2d38ff4b 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -207,8 +208,29 @@ static void __init pnv_setup_arch(void) pnv_rng_init(); } +static void __init pnv_add_hw_description(void) +{ + struct device_node *dn; + const char *s; + + dn = of_find_node_by_path("/ibm,opal/firmware"); + if (!dn) + return; + + if (of_property_read_string(dn, "version", &s) == 0 || + of_property_read_string(dn, "git-id", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "opal:%s ", s); + + if (of_property_read_string(dn, "mi-version", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "mi:%s ", s); + + of_node_put(dn); +} + static void __init pnv_init(void) { + pnv_add_hw_description(); + /* * Initialize the LPC bus now so that legacy serial * ports can be found on it