On Wed, Nov 29, 2023 at 5:29 PM Ba Gia Bao Phan
<phanbagiabao2...@gmail.com> wrote:
>
> Hello everyone,
>
> I am a trainee at STMicroelectronics France. I am working on a project 
> "Setting up a boot chain ACPI" for STM32MPU, which is based on ARM Cortex-A . 
> The objective of my project is to add a way of booting (with ACPI) besides 
> Device Tree available on STM32MPU.
>
> I found that ACPI was enabled on some x86 platforms

I believe you meant here the niche of the (x86) platforms that are not
ACPI-enabled. By default 99% of the x86 platforms are ACPI enabled
with the exceptions:
- Intel MID (2010-2015, SFI based, enabled in U-Boot)
- Tunnel Creek (2010, DT based)
- A few SpreadTrum SoCs (2017, DT based)

> but I don't know whether it was set up on ARM or not. I found a PATCH that 
> discussed Enabling ACPI booting on ARM with Raspberry Pi 4 but I don't know 
> if it functioned or not. Did anyone here succeed in setting up ACPI on ARM by 
> U-boot?
>
> What are the differences between x86 and ARM platforms when enabling ACPI? 
> The architecture of my board STM32PMU is ARM so can I apply the technique 
> used on platform x86 for my board?



-- 
With Best Regards,
Andy Shevchenko

Reply via email to