From patchwork Thu Feb 16 18:20:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil V L X-Patchwork-Id: 13143631 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 8E844C636D7 for ; Thu, 16 Feb 2023 18:21:15 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Kak9EHll09kOhbhiPyDGRSSOtqIQVyBjPBkloSLePJ8=; b=PydLPNoMo7MSm1 PPYG9UBJ+vY46x9++nTrPcz28Obwl7f7JF6Qj4D8n+q1ben+nTVUAhbKLVoVazm/BKIqJ5CL1gZfQ hxFsDUJvJaUyrL7d3LhaqViolLOQiF1XMMYYmziGwYtUCloUhhCxI87Gw0i/6ZRjOZKpFKeluWaND dzvcO7mJY5uyzzCyXvqUkUI5oytTmz28Vrep2/NS8i6JMy4TDv2RpHlskY6fQ4E1X+51tEQxp8yJj N5Fo5nrB/XpYtHN6iO9gehv6t4vTu8lPriGRLPmh53UENEinLkpX9hxsvKU/5GuBJqwLhVCYuxon2 mMjHTIIfRNRt75v2Uc6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pSisV-00BTQm-NR; Thu, 16 Feb 2023 18:21:07 +0000 Received: from mail-pl1-x636.google.com ([2607:f8b0:4864:20::636]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pSisS-00BTOI-Kp for linux-riscv@lists.infradead.org; Thu, 16 Feb 2023 18:21:06 +0000 Received: by mail-pl1-x636.google.com with SMTP id r8so2953701pls.2 for ; Thu, 16 Feb 2023 10:21:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3T/9WMqfcgE40kVyTz05I09P0F9v/Zdvsnucdf4/Z5g=; b=MBRj07iUrgHWwP/PL9m6AtLW+qb8U18eyO6/36bns9c6UoAOz2OzMnR2e4Cdh6Kv4c 5U3H0CPnIrADmR9yLkbugn1hcLCwwqX07zxNNUuoWIr+c6fZODCF7wT2aZuT+AzlLvOa Q1ROw/0yRUOXRLx+2eqd2dsbqX+/BhpdhlpB5hqPlV9ELFw9Sc/nDaT/FlGczY596ewa V3OBgDoq6t1w7RJfsd72MzeoWGcwoO9R7yCsPe0OdQTxO/2T1f/tTd9iv2nhXTZPKIzc 3dZUhwf3Fr6ueWe9wpMBUEMC2rqOMV0kbLLOHPkBfH84LyRg+JVQuMaOop0ElzXAP9ut jG5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3T/9WMqfcgE40kVyTz05I09P0F9v/Zdvsnucdf4/Z5g=; b=3nfGo6EewDUhvz8Y7VJW6iM7p9ky/qN/lhS1Lp/fSLVT4FwXTJkogR6rkVlLgDO7x4 F4HF7Oq62/VsWr94Viyyzinl7/hr0l6xivSNqrq4J66uaqwsfxGAGqXDjZpzCe1V9qy5 cc+XZvFIU1ezLH6H/Vvr/uK0P/yDELtoqrxhhNcho48NKrvy79unKOqOC+sSwE5YHzj1 tLhN4Nq+sdnb3WYa+LTjwSFve16VXgtMKHeAG1thb0CkqtZXFF8TL4odtsK9EWJnAnUG UGtX2cZxawveYq9E7hDt23EjDsgKP++ihp/ireZhjtzFlbxhPPXiy3O1tJw7GOe4dSxe rtEg== X-Gm-Message-State: AO0yUKVHfI+CU8l3VmZL7mFh3DJq10qWDGni3FYtSfyiRM19XcgOo8Cn qr2umM4SAmrzUxLjpVELsBABqw== X-Google-Smtp-Source: AK7set8o22c6x1/057iVtVepqFXyS1Iug9Z7IPjx7jh1+w4cPpbGWJMNy8wLXDEg7dW4snHpwIby/Q== X-Received: by 2002:a05:6a20:8f07:b0:bc:7bdd:551b with SMTP id b7-20020a056a208f0700b000bc7bdd551bmr9022499pzk.45.1676571661568; Thu, 16 Feb 2023 10:21:01 -0800 (PST) Received: from kerodi.Dlink ([49.206.14.226]) by smtp.gmail.com with ESMTPSA id n21-20020a637215000000b004dff15fc121sm1517574pgc.36.2023.02.16.10.20.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Feb 2023 10:21:01 -0800 (PST) From: Sunil V L To: Palmer Dabbelt , Albert Ou , Paul Walmsley , "Rafael J . Wysocki" , Len Brown , Thomas Gleixner , Marc Zyngier , Jonathan Corbet Subject: [PATCH V2 02/21] ACPICA: MADT: Add RISC-V INTC interrupt controller Date: Thu, 16 Feb 2023 23:50:24 +0530 Message-Id: <20230216182043.1946553-3-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230216182043.1946553-1-sunilvl@ventanamicro.com> References: <20230216182043.1946553-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230216_102104_702606_26BA6177 X-CRM114-Status: GOOD ( 10.79 ) 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: , Cc: Anup Patel , linux-doc@vger.kernel.org, "Rafael J . Wysocki" , Atish Patra , linux-kernel@vger.kernel.org, Robert Moore , linux-acpi@vger.kernel.org, Conor Dooley , linux-riscv@lists.infradead.org, acpica-devel@lists.linuxfoundation.org, Andrew Jones Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The ECR to add RISC-V INTC interrupt controller is approved by the UEFI forum and will be available in the next revision of the ACPI specification. This patch is not yet merged in ACPICA but a PR is raised. ACPICA PR: https://github.com/acpica/acpica/pull/804 Reference: Mantis ID: 2348 Cc: Robert Moore Cc: acpica-devel@lists.linuxfoundation.org Signed-off-by: Sunil V L Acked-by: Rafael J. Wysocki --- include/acpi/actbl2.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index b2973dbe37ee..abb700d246df 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -891,7 +891,8 @@ enum acpi_madt_type { ACPI_MADT_TYPE_MSI_PIC = 21, ACPI_MADT_TYPE_BIO_PIC = 22, ACPI_MADT_TYPE_LPC_PIC = 23, - ACPI_MADT_TYPE_RESERVED = 24, /* 24 to 0x7F are reserved */ + ACPI_MADT_TYPE_RINTC = 24, + ACPI_MADT_TYPE_RESERVED = 25, /* 25 to 0x7F are reserved */ ACPI_MADT_TYPE_OEM_RESERVED = 0x80 /* 0x80 to 0xFF are reserved for OEM use */ }; @@ -1250,6 +1251,24 @@ enum acpi_madt_lpc_pic_version { ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ }; +/* 24: RISC-V INTC */ +struct acpi_madt_rintc { + struct acpi_subtable_header header; + u8 version; + u8 reserved; + u32 flags; + u64 hart_id; + u32 uid; /* ACPI processor UID */ +}; + +/* Values for RISC-V INTC Version field above */ + +enum acpi_madt_rintc_version { + ACPI_MADT_RINTC_VERSION_NONE = 0, + ACPI_MADT_RINTC_VERSION_V1 = 1, + ACPI_MADT_RINTC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ +}; + /* 80: OEM data */ struct acpi_madt_oem_data {