[PATCH v2 5/9] arm: socfpga: s10: Enable system manager driver for Stratix10

[Yuslaimi, Alif Zakuan]

Hi Tien Fong,

On 8/5/2026 12:18 pm, Chee, Tien Fong wrote:
> Hi Alif,
> 
> 
> On 28/4/2026 11:48 am, alif.zakuan.yuslaimi at altera.com wrote:
>> From: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
>>
>> The base address of system manager can be retrieved
>> using DT framework through the system manager driver.
>>
>> Enable system manager support for Stratix10 by probing the
>> system manager driver to initialize during SPL boot up.
>>
>> Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
>> ---
>>   MAINTAINERS                                |  1 +
>>   arch/arm/dts/socfpga_stratix10-u-boot.dtsi |  6 ++++++
>>   arch/arm/mach-socfpga/Makefile             |  1 +
>>   arch/arm/mach-socfpga/misc.c               |  3 ++-
>>   arch/arm/mach-socfpga/spl_s10.c            |  1 +
>>   board/altera/stratix10-socdk/Makefile      |  7 +++++++
>>   board/altera/stratix10-socdk/socfpga.c     | 12 ++++++++++++
>>   configs/socfpga_stratix10_defconfig        |  1 +
>>   8 files changed, 31 insertions(+), 1 deletion(-)
>>   create mode 100644 board/altera/stratix10-socdk/Makefile
>>   create mode 100644 board/altera/stratix10-socdk/socfpga.c
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 056902f6ef2..d1173126fc6 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/altera/stratix10-socdk/
>>   F:    board/intel/agilex-socdk/
>>   F:    configs/socfpga_*
>>   F:    drivers/ddr/altera/
>> diff --git a/arch/arm/dts/socfpga_stratix10-u-boot.dtsi b/arch/arm/ 
>> dts/socfpga_stratix10-u-boot.dtsi
>> index ad4b383f704..89fa0e829f6 100644
>> --- a/arch/arm/dts/socfpga_stratix10-u-boot.dtsi
>> +++ b/arch/arm/dts/socfpga_stratix10-u-boot.dtsi
>> @@ -13,6 +13,7 @@
>>       aliases {
>>           spi0 = &qspi;
>>           i2c0 = &i2c1;
>> +        sysmgr = &sysmgr;
>>           freeze_br0 = &freeze_controller;
>>       };
>> @@ -283,6 +284,11 @@
>>       };
>>   };
>> +&sysmgr {
>> +    compatible = "altr,sys-mgr", "syscon";
>> +    bootph-all;
>> +};
>> +
>>   &uart0 {
>>       bootph-all;
>>       clock-frequency = <100000000>;
>> diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/ 
>> Makefile
>> index b6f35ddacc4..962dce67c64 100644
>> --- a/arch/arm/mach-socfpga/Makefile
>> +++ b/arch/arm/mach-socfpga/Makefile
>> @@ -39,6 +39,7 @@ obj-y    += system_manager_soc64.o
>>   obj-y    += timer_s10.o
>>   obj-y    += wrap_handoff_soc64.o
>>   obj-y    += wrap_pll_config_soc64.o
>> +obj-y    += altera-sysmgr.o
>>   endif
>>   ifdef CONFIG_ARCH_SOCFPGA_AGILEX
>> diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
>> index 1eef7893e54..418d7dfb572 100644
>> --- a/arch/arm/mach-socfpga/misc.c
>> +++ b/arch/arm/mach-socfpga/misc.c
>> @@ -263,7 +263,8 @@ void socfpga_get_managers_addr(void)
>>       if (!IS_ENABLED(CONFIG_ARCH_SOCFPGA_AGILEX) &&
>>           !IS_ENABLED(CONFIG_ARCH_SOCFPGA_AGILEX7M) &&
>> -        !IS_ENABLED(CONFIG_ARCH_SOCFPGA_AGILEX5)) {
>> +        !IS_ENABLED(CONFIG_ARCH_SOCFPGA_AGILEX5) &&
>> +        !IS_ENABLED(CONFIG_ARCH_SOCFPGA_STRATIX10)) {
>>           ret = socfpga_get_base_addr("altr,sys-mgr",
>>                           &socfpga_sysmgr_base);
>>           if (ret)
>> diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/ 
>> spl_s10.c
>> index ce1d5d4c8ff..b05bec2cbc1 100644
>> --- a/arch/arm/mach-socfpga/spl_s10.c
>> +++ b/arch/arm/mach-socfpga/spl_s10.c
>> @@ -48,6 +48,7 @@ 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/altera/stratix10-socdk/Makefile b/board/altera/ 
>> stratix10-socdk/Makefile
>> new file mode 100644
>> index 00000000000..416c121406a
>> --- /dev/null
>> +++ b/board/altera/stratix10-socdk/Makefile
>> @@ -0,0 +1,7 @@
>> +#
>> +# Copyright (C) 2026 Altera Corporation <www.altera.com>
>> +#
>> +# SPDX-License-Identifier:    GPL-2.0
> 
> 
> SPDX-License-Identifier appears on line 4, not line 1
> 
> 
> Best regards,
> 
> Tien Fong
> 
Noted, I will correct this for v3 submission.

Thanks,
Alif