From patchwork Wed Jul 6 23:15:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 12908774 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E3638CCA480 for ; Wed, 6 Jul 2022 23:16:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zjdbbaeYgRvvj3m1iOcaXossBior7d7/69sWpIhEVR8=; b=st6th8T49+vG9A ruCaPFlhauN/iPj7Pq3iTYmJRRollATyrAZfjAR+KRBGIRxb5k3ReiQ5pvdYhpWblirYYQvY8tM4U 3oZCgUtVznD2RkTjE0saOE84+qBMUURmhzyidiapZraPAgj3+HveLY9wjc0+OFKgQ6eCgsf1/mkQz 6OQ2uyr8+baKm5RPnO32QQKnOD3ttRs6M2INCNzROJtgG6sj4HGmJMV8X9pLOv8C31z8InS6WcVMW N4goQbY/Ce1v7MC01R//yJ53BYe7WR9BFT8+6/uChomscAvChAqyt+N+/7LTBALhV0AYK2QMpcCRp 2/4PTD5VqiMmb+/8PG+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o9EFM-00CiMJ-0N; Wed, 06 Jul 2022 23:15:52 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o9EFF-00CiJE-UR for linux-riscv@lists.infradead.org; Wed, 06 Jul 2022 23:15:48 +0000 Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1o9EFD-0002yn-UG; Thu, 07 Jul 2022 01:15:43 +0200 From: Heiko Stuebner To: palmer@dabbelt.com, paul.walmsley@sifive.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, wefu@redhat.com, guoren@kernel.org, cmuellner@linux.com, philipp.tomsich@vrull.eu, hch@lst.de, samuel@sholland.org, atishp@atishpatra.org, anup@brainfault.org, mick@ics.forth.gr, robh+dt@kernel.org, krzk+dt@kernel.org, devicetree@vger.kernel.org, drew@beagleboard.org, rdunlap@infradead.org, Heiko Stuebner , Rob Herring Subject: [PATCH v7 2/4] dt-bindings: riscv: document cbom-block-size Date: Thu, 7 Jul 2022 01:15:34 +0200 Message-Id: <20220706231536.2041855-3-heiko@sntech.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220706231536.2041855-1-heiko@sntech.de> References: <20220706231536.2041855-1-heiko@sntech.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220706_161546_013530_D42864E0 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The Zicbom operates on a block-size defined for the cpu-core, which does not necessarily match other cache-sizes used. So add the necessary property for the system to know the core's block-size. Reviewed-by: Anup Patel Reviewed-by: Guo Ren Acked-by: Rob Herring Signed-off-by: Heiko Stuebner --- Documentation/devicetree/bindings/riscv/cpus.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index d632ac76532e..873dd12f6e89 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -63,6 +63,11 @@ properties: - riscv,sv48 - riscv,none + riscv,cbom-block-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The blocksize in bytes for the Zicbom cache operations. + riscv,isa: description: Identifies the specific RISC-V instruction set architecture