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GET /api/patches/1469675/?format=api
{ "id": 1469675, "url": "http://patchwork.ozlabs.org/api/patches/1469675/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20210423162748.1952-5-d-gerlach@ti.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20210423162748.1952-5-d-gerlach@ti.com>", "list_archive_url": null, "date": "2021-04-23T16:27:35", "name": "[04/17] arm: mach-k3: am642: Store boot info from ROM", "commit_ref": "6d52c9dd9022314f494c087fbd7dc68836896523", "pull_url": null, "state": "accepted", "archived": false, "hash": "bd03c679e7251807599ffc05abbf0a128ea4e00c", "submitter": { "id": 61863, "url": "http://patchwork.ozlabs.org/api/people/61863/?format=api", "name": "Dave Gerlach", "email": "d-gerlach@ti.com" }, "delegate": { "id": 19261, "url": "http://patchwork.ozlabs.org/api/users/19261/?format=api", "username": "lokeshvutla", "first_name": "Lokesh", "last_name": "Vutla", "email": "lokeshvutla@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20210423162748.1952-5-d-gerlach@ti.com/mbox/", "series": [ { "id": 240546, "url": "http://patchwork.ozlabs.org/api/series/240546/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=240546", "date": "2021-04-23T16:27:34", "name": "arm: mach-k3: Initial Support for Texas Instruments AM642 Platform", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/240546/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1469675/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1469675/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Sat, 24 Apr 2021 02:30:33 +1000 (AEST)", "from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 5990E82CFC;\n\tFri, 23 Apr 2021 18:28:51 +0200 (CEST)", "by phobos.denx.de (Postfix, from userid 109)\n id 6351982CE5; Fri, 23 Apr 2021 18:28:17 +0200 (CEST)", "from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142])\n (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 9CFA582CC7\n for <u-boot@lists.denx.de>; Fri, 23 Apr 2021 18:27:50 +0200 (CEST)", "from fllv0034.itg.ti.com ([10.64.40.246])\n by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 13NGRm1x050057;\n Fri, 23 Apr 2021 11:27:48 -0500", "from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41])\n by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 13NGRmSD122424\n (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL);\n Fri, 23 Apr 2021 11:27:48 -0500", "from DLEE108.ent.ti.com (157.170.170.38) by DLEE109.ent.ti.com\n (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 23\n Apr 2021 11:27:48 -0500", "from fllv0040.itg.ti.com (10.64.41.20) by DLEE108.ent.ti.com\n (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via\n Frontend Transport; Fri, 23 Apr 2021 11:27:48 -0500", "from localhost (ileax41-snat.itg.ti.com [10.172.224.153])\n by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 13NGRmin009480;\n Fri, 23 Apr 2021 11:27:48 -0500" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,\n DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_MSPIKE_H4,\n RCVD_IN_MSPIKE_WL,SPF_HELO_NONE autolearn=ham autolearn_force=no\n version=3.4.2", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com;\n s=ti-com-17Q1; t=1619195268;\n bh=wFaeNgflK28tmbvTHBWAZy1qNxfQtUCg0XCCCO1+XFU=;\n h=From:To:CC:Subject:Date:In-Reply-To:References;\n b=UTCiKJTnYA7bnTFYuPas504BhCH8ngDu/wv3G2LjS4AM5xNN0NKLqnrw/hQEfI3Pp\n hOP50j3XP7ogiIfVYkegDc+OfmZgSCbHID8/4700CC+WJFV+SwwJ0mVCW4iYrqzfOI\n GCoMXwY+24UTcClZT3BN5H5/vdFAwioyyy9rfteY=", "From": "Dave Gerlach <d-gerlach@ti.com>", "To": "<u-boot@lists.denx.de>, Lokesh Vutla <lokeshvutla@ti.com>, Tom Rini\n <trini@konsulko.com>", "CC": "Praneeth Bajjuri <praneeth@ti.com>, Dave Gerlach <d-gerlach@ti.com>,\n Keerthy J <j-keerthy@ti.com>, Suman Anna <s-anna@ti.com>", "Subject": "[PATCH 04/17] arm: mach-k3: am642: Store boot info from ROM", "Date": "Fri, 23 Apr 2021 11:27:35 -0500", "Message-ID": "<20210423162748.1952-5-d-gerlach@ti.com>", "X-Mailer": "git-send-email 2.28.0", "In-Reply-To": "<20210423162748.1952-1-d-gerlach@ti.com>", "References": "<20210423162748.1952-1-d-gerlach@ti.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-EXCLAIMER-MD-CONFIG": "e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.102.4 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "For AM642, ROM supports loading system firmware directly\nfrom boot image. ROM passes information about the number of\nimages that are loaded to bootloader at a specific address\nthat is temporary. Add support for storing this information\nsomewhere permanent before it gets corrupted.\n\nSigned-off-by: Dave Gerlach <d-gerlach@ti.com>\n---\n arch/arm/mach-k3/am642_init.c | 21 +++++++++++++++++++\n arch/arm/mach-k3/include/mach/am64_hardware.h | 2 ++\n 2 files changed, 23 insertions(+)", "diff": "diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c\nindex 5ab2904c5e0c..7ebe5b56cd1f 100644\n--- a/arch/arm/mach-k3/am642_init.c\n+++ b/arch/arm/mach-k3/am642_init.c\n@@ -29,12 +29,33 @@ static void ctrl_mmr_unlock(void)\n \tmmr_unlock(CTRL_MMR0_BASE, 6);\n }\n \n+/*\n+ * This uninitialized global variable would normal end up in the .bss section,\n+ * but the .bss is cleared between writing and reading this variable, so move\n+ * it to the .data section.\n+ */\n+u32 bootindex __section(\".data\");\n+static struct rom_extended_boot_data bootdata __section(.data);\n+\n+static void store_boot_info_from_rom(void)\n+{\n+\tbootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);\n+\tmemcpy(&bootdata, (uintptr_t *)ROM_ENTENDED_BOOT_DATA_INFO,\n+\t sizeof(struct rom_extended_boot_data));\n+}\n+\n void board_init_f(ulong dummy)\n {\n #if defined(CONFIG_CPU_V7R)\n \tsetup_k3_mpu_regions();\n #endif\n \n+\t/*\n+\t * Cannot delay this further as there is a chance that\n+\t * K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section.\n+\t */\n+\tstore_boot_info_from_rom();\n+\n \tctrl_mmr_unlock();\n \n \t/* Init DM early */\ndiff --git a/arch/arm/mach-k3/include/mach/am64_hardware.h b/arch/arm/mach-k3/include/mach/am64_hardware.h\nindex ec5387025b98..c440685e608f 100644\n--- a/arch/arm/mach-k3/include/mach/am64_hardware.h\n+++ b/arch/arm/mach-k3/include/mach/am64_hardware.h\n@@ -47,4 +47,6 @@\n #define CTRLMMR_LOCK_KICK1\t\t\t\t0x0100c\n #define CTRLMMR_LOCK_KICK1_UNLOCK_VAL\t\t\t0xd172bc5a\n \n+#define ROM_ENTENDED_BOOT_DATA_INFO\t\t\t0x701beb00\n+\n #endif /* __ASM_ARCH_DRA8_HARDWARE_H */\n", "prefixes": [ "04/17" ] }