From: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com>
Date: Mon, 4 Aug 2025 01:24:37 +0000 (-0700)
Subject: arm: socfpga: agilex: Enable system manager driver for Agilex
X-Git-Tag: v2025.10-rc2~3^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1dc683005dd22b6fdf47845a2c0db00a55033ad9;p=pandora-u-boot.git

arm: socfpga: agilex: Enable system manager driver for Agilex

The base address of system manager can be retrieved
using DT framework through the system manager driver.

Enable system manager support for Agilex by probing the
system manager driver to initialize during SPL boot up.

Signed-off-by: Boon Khai Ng <boon.khai.ng@altera.com>
Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@altera.com>
---

diff --git a/MAINTAINERS b/MAINTAINERS
index fdce820c792..a04b93a807b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -156,6 +156,7 @@ S:	Maintained
 T:	git https://source.denx.de/u-boot/custodians/u-boot-socfpga.git
 F:	arch/arm/dts/socfpga_*
 F:	arch/arm/mach-socfpga/
+F:	board/intel/agilex-socdk/
 F:	configs/socfpga_*
 F:	drivers/ddr/altera/
 F:	drivers/power/domain/altr-pmgr-agilex5.c
diff --git a/arch/arm/dts/socfpga_agilex.dtsi b/arch/arm/dts/socfpga_agilex.dtsi
index be5100aea98..84bc40dbcc3 100644
--- a/arch/arm/dts/socfpga_agilex.dtsi
+++ b/arch/arm/dts/socfpga_agilex.dtsi
@@ -625,4 +625,8 @@
 			};
 		};
 	};
+
+	aliases {
+		sysmgr = &sysmgr;
+	};
 };
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index c43fdee4a48..7f53c249805 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -54,6 +54,7 @@ obj-y	+= timer_s10.o
 obj-$(CONFIG_SOCFPGA_SECURE_VAB_AUTH)	+= vab.o
 obj-y	+= wrap_handoff_soc64.o
 obj-y	+= wrap_pll_config_soc64.o
+obj-y	+= altera-sysmgr.o
 endif
 
 ifdef CONFIG_TARGET_SOCFPGA_AGILEX5
diff --git a/arch/arm/mach-socfpga/spl_agilex.c b/arch/arm/mach-socfpga/spl_agilex.c
index c16519fc2bd..351848f16e6 100644
--- a/arch/arm/mach-socfpga/spl_agilex.c
+++ b/arch/arm/mach-socfpga/spl_agilex.c
@@ -54,6 +54,7 @@ void board_init_f(ulong dummy)
 	if (ret)
 		hang();
 
+	socfpga_get_sys_mgr_addr();
 	socfpga_get_managers_addr();
 
 	/* Ensure watchdog is paused when debugging is happening */
diff --git a/board/intel/agilex-socdk/Makefile b/board/intel/agilex-socdk/Makefile
new file mode 100644
index 00000000000..306a8cf5f0b
--- /dev/null
+++ b/board/intel/agilex-socdk/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2025 Altera Corporation <www.altera.com>
+#
+# SPDX-License-Identifier:	GPL-2.0
+#
+
+obj-y	:= socfpga.o
diff --git a/board/intel/agilex-socdk/socfpga.c b/board/intel/agilex-socdk/socfpga.c
new file mode 100644
index 00000000000..60c8704b391
--- /dev/null
+++ b/board/intel/agilex-socdk/socfpga.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2025 Altera Corporation <www.altera.com>
+ */
+
+#include <asm/arch/misc.h>
+
+int board_early_init_f(void)
+{
+	socfpga_get_sys_mgr_addr();
+	return 0;
+}