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GET /api/patches/2224456/?format=api
{ "id": 2224456, "url": "http://patchwork.ozlabs.org/api/patches/2224456/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260417122213.147529-6-uros.stajic@htecgroup.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": "<20260417122213.147529-6-uros.stajic@htecgroup.com>", "list_archive_url": null, "date": "2026-04-17T12:26:18", "name": "[v7,5/7] riscv: Add syscon driver for MIPS GIC block", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d342f2a35d72cb455f5cc8c253ddb1b12d142d52", "submitter": { "id": 90991, "url": "http://patchwork.ozlabs.org/api/people/90991/?format=api", "name": "Uros Stajic", "email": "uros.stajic@htecgroup.com" }, "delegate": { "id": 20174, "url": "http://patchwork.ozlabs.org/api/users/20174/?format=api", "username": "Andes", "first_name": "Andes", "last_name": "", "email": "uboot@andestech.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260417122213.147529-6-uros.stajic@htecgroup.com/mbox/", "series": [ { "id": 500329, "url": "http://patchwork.ozlabs.org/api/series/500329/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500329", "date": "2026-04-17T12:23:32", "name": "riscv: Add support for P8700 platform on Boston board", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/500329/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224456/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224456/checks/", "tags": {}, "related": [], "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=htecgroup.com header.i=@htecgroup.com\n header.a=rsa-sha256 header.s=selector1 header.b=kOmmOUkW;\n\tdkim-atps=neutral", "legolas.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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charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-OriginatorOrg": "htecgroup.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "PA3PR09MB8140.eurprd09.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 531f6abb-6e30-43b4-c1f3-08de9c7c86bc", "X-MS-Exchange-CrossTenant-originalarrivaltime": "17 Apr 2026 12:26:18.3534 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "9f85665b-7efd-4776-9dfe-b6bfda2565ee", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n cH9pUQBc5d2RkwYDxdgNWGrvVNKjYETYXWOyx1E6Yqm4frwfNZ1bpdh9AMstJsBvfSqo8sjwbq2vBliYjIUNCtj2c5q1pq8OC7ULqJhz4lc=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PA4PR09MB4525", "X-Mailman-Approved-At": "Fri, 17 Apr 2026 14:43:59 +0200", "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": "From: Chao-ying Fu <cfu@mips.com>\n\nAdd a UCLASS_SYSCON driver with DT match for the MIPS GIC block, so it\ncan be accessed via syscon/regmap.\n\nSigned-off-by: Chao-ying Fu <cfu@mips.com>\nSigned-off-by: Uros Stajic <uros.stajic@htecgroup.com>\n---\n arch/riscv/Kconfig | 11 +++++++\n arch/riscv/lib/Makefile | 1 +\n arch/riscv/lib/mips_gic.c | 47 +++++++++++++++++++++++++++++\n board/mips/boston-riscv/MAINTAINERS | 1 +\n 4 files changed, 60 insertions(+)\n create mode 100644 arch/riscv/lib/mips_gic.c", "diff": "diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig\nindex edb5e6da10b..df2f4484b00 100644\n--- a/arch/riscv/Kconfig\n+++ b/arch/riscv/Kconfig\n@@ -412,6 +412,17 @@ config SIFIVE_CACHE\n \thelp\n \t This enables the operations to configure SiFive cache\n \n+config MIPS_GIC\n+\tbool\n+\tdepends on RISCV_MMODE || SPL_RISCV_MMODE\n+\tselect REGMAP\n+\tselect SYSCON\n+\tselect SPL_REGMAP if SPL\n+\tselect SPL_SYSCON if SPL\n+\thelp\n+\t The MIPS GIC block holds memory-mapped control and status registers\n+\t associated with software and timer interrupts.\n+\n config ANDES_PLICSW\n \tbool\n \tdepends on RISCV_MMODE || SPL_RISCV_MMODE\ndiff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile\nindex a527b3e9ae3..f0f5e40a20b 100644\n--- a/arch/riscv/lib/Makefile\n+++ b/arch/riscv/lib/Makefile\n@@ -17,6 +17,7 @@ obj-$(CONFIG_SYS_CACHE_THEAD_CMO) += thead_cmo.o\n ifeq ($(CONFIG_$(PHASE_)RISCV_MMODE),y)\n obj-$(CONFIG_$(PHASE_)RISCV_ACLINT) += aclint_ipi.o\n obj-$(CONFIG_ANDES_PLICSW) += andes_plicsw.o\n+obj-$(CONFIG_MIPS_GIC) += mips_gic.o\n else\n obj-$(CONFIG_SBI) += sbi.o\n obj-$(CONFIG_SBI_IPI) += sbi_ipi.o\ndiff --git a/arch/riscv/lib/mips_gic.c b/arch/riscv/lib/mips_gic.c\nnew file mode 100644\nindex 00000000000..7d761c58e74\n--- /dev/null\n+++ b/arch/riscv/lib/mips_gic.c\n@@ -0,0 +1,47 @@\n+// SPDX-License-Identifier: GPL-2.0+\n+/*\n+ * Copyright (C) 2021, Chao-ying Fu <cfu@mips.com>\n+ *\n+ * U-Boot syscon driver for MIPS GIC.\n+ */\n+\n+#include <dm.h>\n+#include <regmap.h>\n+#include <syscon.h>\n+#include <asm/io.h>\n+#include <asm/syscon.h>\n+#include <linux/err.h>\n+\n+DECLARE_GLOBAL_DATA_PTR;\n+\n+int riscv_init_ipi(void)\n+{\n+\treturn 0;\n+}\n+\n+int riscv_send_ipi(int hart)\n+{\n+\treturn 0;\n+}\n+\n+int riscv_clear_ipi(int hart)\n+{\n+\treturn 0;\n+}\n+\n+int riscv_get_ipi(int hart, int *pending)\n+{\n+\treturn 0;\n+}\n+\n+static const struct udevice_id mips_gic_ids[] = {\n+\t{ .compatible = \"mips,gic0\", .data = RISCV_SYSCON_PLICSW },\n+\t{ }\n+};\n+\n+U_BOOT_DRIVER(mips_gic) = {\n+\t.name\t\t= \"mips_gic\",\n+\t.id\t\t= UCLASS_SYSCON,\n+\t.of_match\t= mips_gic_ids,\n+\t.flags\t\t= DM_FLAG_PRE_RELOC,\n+};\ndiff --git a/board/mips/boston-riscv/MAINTAINERS b/board/mips/boston-riscv/MAINTAINERS\nindex 8b95f53ab32..47f2dd180b7 100644\n--- a/board/mips/boston-riscv/MAINTAINERS\n+++ b/board/mips/boston-riscv/MAINTAINERS\n@@ -8,3 +8,4 @@ F:\tarch/riscv/include/asm/arch-p8700/\n F:\tconfigs/boston-p8700_defconfig\n F:\tarch/riscv/dts/boston-p8700.dts\n F:\tdrivers/gpio/eg20t-gpio.c\n+F:\tarch/riscv/lib/mips_gic.c\n", "prefixes": [ "v7", "5/7" ] }