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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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"From: Chao-ying Fu \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 \nSigned-off-by: Uros Stajic \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 \n+ *\n+ * U-Boot syscon driver for MIPS GIC.\n+ */\n+\n+#include \n+#include \n+#include \n+#include \n+#include \n+#include \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"]}