From patchwork Tue Dec 5 15:56:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 120706 Delivered-To: patch@linaro.org Received: by 10.140.22.227 with SMTP id 90csp5918003qgn; Tue, 5 Dec 2017 07:58:36 -0800 (PST) X-Google-Smtp-Source: AGs4zMYTyH3zMmU0r9m6T/Wqu2NVvAr9KFXeeFhr7lc2JVJ1LPazGMpgE6TLRSxdKvRgiTusyG6U X-Received: by 10.80.137.106 with SMTP id f39mr37236270edf.148.1512489516806; Tue, 05 Dec 2017 07:58:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1512489516; cv=none; d=google.com; s=arc-20160816; b=YwHpWq1B1ntEIVWS7H5vzCcTu30CRvHidvYgjkpvVDAhTac74r3gsPJQgkDefVgt38 qJc0p4HAplRoML+XXKCgc8rNcMp8c75T1pucDkhUhwpJAtI+HGh5bZcBas7ygf95keUp ExeZ7V5PTbMRQLYWKViRJV49lPyJuA7s9dyf9k384TJILtpVMGFK02XBbothUiGiyhu2 bcJSGSdEhMz0OX2qta8eIHfyi1WK73dSEoxp5IdlT4Okr4Z7cXb91GCY9UbZ2rNZVriJ bB+/JUfZKh9hNiSobrlftqHR3OWEdHoqCCe8cPzsBYGd4r8QL2zMw93T+Xwmf3BbmFCM R9FQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:cc:references:in-reply-to:references :in-reply-to:message-id:date:to:from:arc-authentication-results; bh=Q6cz9IMSInNMA+tJ1rKE+piioc4PYZ6rf75i9ZCLn8g=; b=haardMH9oEJmfHckUvfYOXOnJGlneBDoPLqtZOsN4/rBk/4v6iKLQ392octmCLFRoA w/3zJsVQl88igDIPthkqQFpF/9PBGajafsCLv1hT6/hNtx1Vn5Z8NHzdtpa4oQNXrRAd BVnexu5EZLwTU0t5SamXjAyXPKS8nDqwhfWfN5VuIraiSditkRFJ2h0ZGDR3OiutqhGy iWAxNMPhla46ZDqUkTCNqhCQ9K45TpsUG3amNALhD/flTxI9bt0EzgJMiiRN4UATw7jY PVyRQFV63Et2uiO50B/IMduiAGSB4hUv07zNVOuuv7cYu4LGjUPrSZFBb0oFBebQJeTu XLTg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Return-Path: Received: from lists.denx.de (dione.denx.de. [81.169.180.215]) by mx.google.com with ESMTP id n30si482719edc.416.2017.12.05.07.58.36; Tue, 05 Dec 2017 07:58:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id 5955FC21FB8; Tue, 5 Dec 2017 15:57:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 8E19BC21FB8; Tue, 5 Dec 2017 15:56:57 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 0074FC21EDE; Tue, 5 Dec 2017 15:56:54 +0000 (UTC) Received: from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54]) by lists.denx.de (Postfix) with ESMTP id 8F597C21F29 for ; Tue, 5 Dec 2017 15:56:54 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id C9FDC209A0; Tue, 5 Dec 2017 16:56:53 +0100 (CET) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 8858720741; Tue, 5 Dec 2017 16:56:43 +0100 (CET) From: Maxime Ripard To: Tom Rini Date: Tue, 5 Dec 2017 16:56:38 +0100 Message-Id: <0eb5e02afca0e93c37eabd7e72161088e6eafda6.1512489372.git-series.maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: References: In-Reply-To: References: Cc: Andre Przywara , agraf@suse.de, u-boot@lists.denx.de, Maxime Ripard , Jagan Teki Subject: [U-Boot] [PATCH v2 1/4] part: efi: Add a Kconfig option for the number of partition entries X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" On some SoCs, the SPL needs to be located right in the middle of the GPT partition entries. One way to work around that is to create partition entries for a smaller number of partitions to accomodate with where the SPL will be. Create a Kconfig option to allow to do that. Reviewed-by: Andre Przywara Reviewed-by: Tom Rini Signed-off-by: Maxime Ripard --- disk/Kconfig | 13 +++++++++++++ include/part_efi.h | 2 +- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/disk/Kconfig b/disk/Kconfig index 939656212065..f82beef6e689 100644 --- a/disk/Kconfig +++ b/disk/Kconfig @@ -78,6 +78,19 @@ config EFI_PARTITION common when EFI is the bootloader. Note 2TB partition limit; see disk/part_efi.c +config EFI_PARTITION_ENTRIES_NUMBERS + int "Number of the EFI partition entries" + depends on EFI_PARTITION + default 128 + help + Specify the number of partition entries in the GPT. This is + meant to allow less than the standard specifies for devices + that might need to place their first-stage bootloader in the + middle of a regular GPT. + + If unsure, leave at 128 entries, which is the standard + number. + config EFI_PARTITION_ENTRIES_OFF int "Offset (in bytes) of the EFI partition entries" depends on EFI_PARTITION diff --git a/include/part_efi.h b/include/part_efi.h index 31e6bc6e140f..4c8f6cc473c8 100644 --- a/include/part_efi.h +++ b/include/part_efi.h @@ -27,7 +27,7 @@ #define GPT_HEADER_SIGNATURE 0x5452415020494645ULL #define GPT_HEADER_REVISION_V1 0x00010000 #define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL -#define GPT_ENTRY_NUMBERS 128 +#define GPT_ENTRY_NUMBERS CONFIG_EFI_PARTITION_ENTRIES_NUMBERS #define GPT_ENTRY_SIZE 128 #define PARTITION_SYSTEM_GUID \