From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 07 Jan 2022 14:43:54 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1n5pX8-00Dl4w-08 for lore@lore.pengutronix.de; Fri, 07 Jan 2022 14:43:54 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n5pX6-0007f0-Gg for lore@pengutronix.de; Fri, 07 Jan 2022 14:43:53 +0100 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:Message-Id:Date:Subject:To :From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=vVSjs5NgQa0gGuM8zWtIe+vs7tXIybRlixTnCTW7l/8=; b=ou2cz25ClwRobH Hki1c0ZcLH016jkRiNR7PQZ/+qm1SqHdf4Ch2mPgJ0xN3/MIRlgA34F5kj8qF9NOvp60GKKcNWUJb 2ZQ3Qgl66SU505D1k/YUwJRRMsAXKJwz57eV/eAqRE8aJb8m97ywECG1WGfpdhm8FEm8yLys5sFDv 5VHUoV7Kd8i3bMhpnqAflqcEhTilwAgO0Hzc9M1efUNMrNv+/YoNDqT9xIJAKhS8k7SFTXiYVEJXz QbCGss4wL6vwkhMFM2fBvpVLaEq4MaFR3HChSjyjQg9yVuJkR/+NvWbGz5WcI0Q7biCqxrKMuuwSd 5OwOMr+CElLr9yOorYmQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5pVj-00410S-95; Fri, 07 Jan 2022 13:42:27 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5pVe-0040yt-VH for barebox@lists.infradead.org; Fri, 07 Jan 2022 13:42:24 +0000 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n5pVc-0007VV-26; Fri, 07 Jan 2022 14:42:20 +0100 Received: from str by dude02.hi.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1n5pVb-004Krq-Ik; Fri, 07 Jan 2022 14:42:19 +0100 From: Steffen Trumtrar To: barebox@lists.infradead.org Date: Fri, 7 Jan 2022 14:42:18 +0100 Message-Id: <20220107134219.1031552-1-s.trumtrar@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220107_054223_034451_A31529AF X-CRM114-Status: GOOD ( 12.27 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/2] acpi.h: add defines for adr_space and gas X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) >>From linux v5.15-rc1. Signed-off-by: Steffen Trumtrar --- include/acpi.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/include/acpi.h b/include/acpi.h index b8e73b35df..04f722da23 100644 --- a/include/acpi.h +++ b/include/acpi.h @@ -10,6 +10,78 @@ #include #include +/* Names within the namespace are 4 bytes long */ + +#define ACPI_NAMESEG_SIZE 4 /* Fixed by ACPI spec */ +#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ +#define ACPI_PATH_SEPARATOR '.' + +/* Sizes for ACPI table headers */ + +#define ACPI_OEM_ID_SIZE 6 +#define ACPI_OEM_TABLE_ID_SIZE 8 + +/* + * Algorithm to obtain access bit or byte width. + * Can be used with access_width of struct acpi_generic_address and access_size of + * struct acpi_resource_generic_register. + */ +#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2)) +#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1)) + +/* Address Space (Operation Region) Types */ + +typedef u8 acpi_adr_space_type; +#define ACPI_ADR_SPACE_SYSTEM_MEMORY (acpi_adr_space_type) 0 +#define ACPI_ADR_SPACE_SYSTEM_IO (acpi_adr_space_type) 1 +#define ACPI_ADR_SPACE_PCI_CONFIG (acpi_adr_space_type) 2 +#define ACPI_ADR_SPACE_EC (acpi_adr_space_type) 3 +#define ACPI_ADR_SPACE_SMBUS (acpi_adr_space_type) 4 +#define ACPI_ADR_SPACE_CMOS (acpi_adr_space_type) 5 +#define ACPI_ADR_SPACE_PCI_BAR_TARGET (acpi_adr_space_type) 6 +#define ACPI_ADR_SPACE_IPMI (acpi_adr_space_type) 7 +#define ACPI_ADR_SPACE_GPIO (acpi_adr_space_type) 8 +#define ACPI_ADR_SPACE_GSBUS (acpi_adr_space_type) 9 +#define ACPI_ADR_SPACE_PLATFORM_COMM (acpi_adr_space_type) 10 +#define ACPI_ADR_SPACE_PLATFORM_RT (acpi_adr_space_type) 11 + +/******************************************************************************* + * + * Master ACPI Table Header. This common header is used by all ACPI tables + * except the RSDP and FACS. + * + ******************************************************************************/ + +struct __packed acpi_table_header { + char signature[ACPI_NAMESEG_SIZE]; /* ASCII table signature */ + u32 length; /* Length of table in bytes, including this header */ + u8 revision; /* ACPI Specification minor version number */ + u8 checksum; /* To make sum of entire table == 0 */ + char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */ + char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */ + u32 oem_revision; /* OEM revision number */ + char asl_compiler_id[ACPI_NAMESEG_SIZE]; /* ASCII ASL compiler vendor ID */ + u32 asl_compiler_revision; /* ASL compiler version */ +}; + +/******************************************************************************* + * + * GAS - Generic Address Structure (ACPI 2.0+) + * + * Note: Since this structure is used in the ACPI tables, it is byte aligned. + * If misaligned access is not supported by the hardware, accesses to the + * 64-bit Address field must be performed with care. + * + ******************************************************************************/ + +struct __packed acpi_generic_address { + u8 space_id; /* Address space where struct or register exists */ + u8 bit_width; /* Size in bits of given register */ + u8 bit_offset; /* Bit offset within the register */ + u8 access_width; /* Minimum Access size (ACPI 3.0) */ + u64 address; /* 64-bit address of struct or register */ +}; + typedef char acpi_sig_t[4]; struct __packed acpi_rsdp { /* root system description pointer */ -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox