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 67566C433F5 for ; Fri, 30 Sep 2022 08:30:37 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Mf3Mb6vTnz3cGy for ; Fri, 30 Sep 2022 18:30:35 +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=h4VGq4St; 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) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Mf3K9235zz3c3J for ; Fri, 30 Sep 2022 18:28:29 +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=h4VGq4St; 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 4Mf3K770lZz4xGh; Fri, 30 Sep 2022 18:28:27 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1664526508; bh=njHxK6JyfZ3lHpvVGGzGeJpSvLShX9p77KBJgM5JzU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h4VGq4StKm0F4FgC5xEzlFvDzgvw07Ob517rwlcKCGG5MO3K+Q0agfVWqkwk794cE Wg//PaUrJOEnAkOJXKRl699H7JVTqo4htddFSl+kylcIa0D1+bdhPwu7lTVkwpimQn GFnxMU+5nwyqUUJ73B6OToxf4pC4UQKkbdYYzPO7UI31JfyvzhtpHMga779QAzI7v0 fA2O3SO58aBCiS6jLdWD4gl66xQjB0i2JcmLCQVhYl2pDAl+Ix/+bqklmUM5q8zUga acJAB0ehlDrnSGc42fJXxo0jOkmtK2Gv1SfaR+zivP/PIjzxfsEcBpQKmxnPo0LI/N RUbfJcecL3qyA== From: Michael Ellerman To: Subject: [PATCH v3 2/6] powerpc: Add PVR & CPU name to hardware description Date: Fri, 30 Sep 2022 18:27:05 +1000 Message-Id: <20220930082709.55830-2-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 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" Add the PVR and CPU name to the hardware description, which is printed at boot and in case of an oops. eg: Hardware name: ... POWER8E (raw) 0x4b0201 Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/prom.c | 4 ++++ 1 file changed, 4 insertions(+) v3: Drop "cpu:" and "pvr:" tags for brevity. diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 2e7a04dab2f7..09f07cc57216 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -819,6 +820,9 @@ void __init early_init_devtree(void *params) dt_cpu_ftrs_scan(); + // We can now add the CPU name & PVR to the hardware description + seq_buf_printf(&ppc_hw_desc, "%s 0x%04lx ", cur_cpu_spec->cpu_name, mfspr(SPRN_PVR)); + /* Retrieve CPU related informations from the flat tree * (altivec support, boot CPU ID, ...) */ -- 2.37.3