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GET /api/1.1/patches/2231884/?format=api
{ "id": 2231884, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2231884/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260501-apple-m3-support-v1-1-4165bc2a73f4@jannau.net/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260501-apple-m3-support-v1-1-4165bc2a73f4@jannau.net>", "date": "2026-05-01T14:07:16", "name": "arm: apple: Add Apple M3 (t8122) support", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c52c3e9fa9c99c0bf4f856f21bd48f5b2cf14b51", "submitter": { "id": 46572, "url": "http://patchwork.ozlabs.org/api/1.1/people/46572/?format=api", "name": "Janne Grunau", "email": "j@jannau.net" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260501-apple-m3-support-v1-1-4165bc2a73f4@jannau.net/mbox/", "series": [ { "id": 502463, "url": "http://patchwork.ozlabs.org/api/1.1/series/502463/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=502463", "date": "2026-05-01T14:07:16", "name": "arm: apple: Add Apple M3 (t8122) support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502463/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231884/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231884/checks/", "tags": {}, "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=jannau.net header.i=@jannau.net header.a=rsa-sha256\n header.s=fm1 header.b=eXdVA/J7;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=messagingengine.com header.i=@messagingengine.com\n header.a=rsa-sha256 header.s=fm3 header.b=XwuZTNcN;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260501-apple-m3-support-v1-1-4165bc2a73f4@jannau.net>", "X-B4-Tracking": "v=1; b=H4sIAAAAAAAC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE\n vPSU3UzU4B8JSMDIzMDUwND3cSCgpxU3Vxj3eLSgoL8ohJdy7RkI9PEJHNL4xQTJaC2gqLUtMw\n KsJHRsbW1AL+x3NViAAAA", "X-Change-ID": "20260501-apple-m3-support-9fc25ab793d4", "To": "u-boot@lists.denx.de", "Cc": "Mark Kettenis <kettenis@openbsd.org>, Tom Rini <trini@konsulko.com>,\n Sughosh Ganu <sughosh.ganu@arm.com>,\n Ilias Apalodimas <ilias.apalodimas@linaro.org>,\n Mattijs Korpershoek <mkorpershoek@kernel.org>,\n Jerome Forissier <jerome.forissier@arm.com>, Janne Grunau <j@jannau.net>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=3211; i=j@jannau.net;\n s=yk2025; h=from:subject:message-id;\n bh=N32YiN/BHOD11xeiOHlKPC4MopXE6X30UvrSFmY+ObQ=;\n b=owGbwMvMwCW2UNrmdq9+ahrjabUkhswvm6dvEv8S94SLN7HO423B58PCYmWG85seiP0xVb656\n Hd164cjHaUsDGJcDLJiiixJ2i87GFbXKMbUPgiDmcPKBDKEgYtTACay6h/D/3rP6VmLf2/NW5r+\n rGOtRqp8XziL3sZthn/s8j+pfV9u8JXhn/0Lw7Parisip7kuumWzp1T2KmfewYRriTWLQ4yXZb9\n 9xwkA", "X-Developer-Key": "i=j@jannau.net; a=openpgp;\n fpr=8B336A6BE4E5695E89B8532B81E806F586338419", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "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 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Apple's M3 SoC is similar to M1 and M2 but uses a different memory map.\nThe main difference is that RAM starts at 0x100_0000_0000 like on t600x\nand t602x (M1 and M2 Pro/Max/Ultra). Otherwise IO blocks have been\nrearranged.\nU-boot's existing drivers are compatible with the hardware and M3 device\ntrees will carry \"apple,t8103-*\" compatible strings. Only\napple-atcphy-reset might need a new compatible due to USB4 / DisplayPort\nchanges the Linux driver has to deal with.\n\nSigned-off-by: Janne Grunau <j@jannau.net>\n---\n arch/arm/mach-apple/board.c | 71 +++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 71 insertions(+)\n\n\n---\nbase-commit: 4433253ecf2041f9362a763bb6cb79960921ac7e\nchange-id: 20260501-apple-m3-support-9fc25ab793d4\n\nBest regards,", "diff": "diff --git a/arch/arm/mach-apple/board.c b/arch/arm/mach-apple/board.c\nindex 4cd8979bdc2..914b4581e7d 100644\n--- a/arch/arm/mach-apple/board.c\n+++ b/arch/arm/mach-apple/board.c\n@@ -85,6 +85,75 @@ static struct mm_region t8103_mem_map[] = {\n \t}\n };\n \n+/* Apple M3 */\n+\n+static struct mm_region t8122_mem_map[] = {\n+\t{\n+\t\t/* I/O */\n+\t\t.virt = 0x210000000,\n+\t\t.phys = 0x210000000,\n+\t\t.size = 4UL * SZ_1G,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |\n+\t\t\t PTE_BLOCK_NON_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* I/O */\n+\t\t.virt = 0x700000000,\n+\t\t.phys = 0x700000000,\n+\t\t.size = SZ_1G,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |\n+\t\t\t PTE_BLOCK_NON_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* I/O */\n+\t\t.virt = 0xb00000000,\n+\t\t.phys = 0xb00000000,\n+\t\t.size = SZ_1G,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |\n+\t\t\t PTE_BLOCK_NON_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* I/O */\n+\t\t.virt = 0x580000000,\n+\t\t.phys = 0x580000000,\n+\t\t.size = SZ_512M,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |\n+\t\t\t PTE_BLOCK_NON_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* PCIE */\n+\t\t.virt = 0x5a0000000,\n+\t\t.phys = 0x5a0000000,\n+\t\t.size = SZ_512M,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |\n+\t\t\t PTE_BLOCK_INNER_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* PCIE */\n+\t\t.virt = 0x5c0000000,\n+\t\t.phys = 0x5c0000000,\n+\t\t.size = SZ_1G,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |\n+\t\t\t PTE_BLOCK_INNER_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* RAM */\n+\t\t.virt = 0x10000000000,\n+\t\t.phys = 0x10000000000,\n+\t\t.size = 8UL * SZ_1G,\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |\n+\t\t\t PTE_BLOCK_INNER_SHARE\n+\t}, {\n+\t\t/* Framebuffer */\n+\t\t.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |\n+\t\t\t PTE_BLOCK_INNER_SHARE |\n+\t\t\t PTE_BLOCK_PXN | PTE_BLOCK_UXN\n+\t}, {\n+\t\t/* List terminator */\n+\t\t0,\n+\t}\n+};\n+\n /* Apple M1 Pro/Max */\n \n static struct mm_region t6000_mem_map[] = {\n@@ -710,6 +779,8 @@ void build_mem_map(void)\n \tif (of_machine_is_compatible(\"apple,t8103\") ||\n \t of_machine_is_compatible(\"apple,t8112\"))\n \t\tmem_map = t8103_mem_map;\n+\telse if (of_machine_is_compatible(\"apple,t8122\"))\n+\t\tmem_map = t8122_mem_map;\n \telse if (of_machine_is_compatible(\"apple,t6000\") ||\n \t\t of_machine_is_compatible(\"apple,t6001\"))\n \t\tmem_map = t6000_mem_map;\n", "prefixes": [] }