On 11.11.20 16:34, maple Chou wrote:
> "
> Last login: Mon May 11 15:35:01 +0000 2020 on /dev/ttyS0.
> root@stratix10:~# cat /proc/iomem
> 01000000-7fffffff : System RAM
>   02080000-02eaffff : Kernel code
>   02eb0000-0309ffff : reserved
>   030a0000-031bbfff : Kernel data
>   79800000-7f7fffff : reserved
>   7fa30000-7fa34fff : reserved
> ff800000-ff801fff : ff800000.ethernet
> ff808000-ff808fff : ff808000.dwmmc0
> ff8d2000-ff8d20ff : ff8d2000.spi
> ff900000-ff9fffff : ff8d2000.spi
> ffb00000-ffb3ffff : ffb00000.usb
> ffc02000-ffc0201f : serial
> ffc02900-ffc029ff : ffc02900.i2c
> ffc03300-ffc033ff : ffc03300.gpio
> ffd00200-ffd002ff : ffd00200.watchdog
> ffd10000-ffd10fff : ffd10000.clock-controller
> ffd11000-ffd11fff : ffd11000.rstmgr
> ffda0000-ffda0fff : pdma@ffda0000
>   ffda0000-ffda0fff : ffda0000.pdma
> ffe00000-ffefffff : ffe00000.sram
> 180000000-1ffffffff : System RAM
>   1fae00000-1fb5fffff : reserved
>   1fb7fe000-1ff5fffff : reserved
>   1ff72d000-1ff78cfff : reserved
>   1ff78d000-1ff78dfff : reserved
>   1ff78e000-1ff7e5fff : reserved
>   1ff7e8000-1ff7e8fff : reserved
>   1ff7e9000-1ff7edfff : reserved
>   1ff7ee000-1ffffffff : reserved
> root@stratix10:~#
> 

But you are using address 8,0000,0000 for loading the hypervisor. That
seems to like it's not backed by any RAM, is it?

> "
> 
> and I'd reference this
> - 
> https://github.com/altera-opensource/u-boot-socfpga/blob/socfpga_v2020.04/arch/arm/mach-socfpga/mmu-arm64_s10.c
> <https://github.com/altera-opensource/u-boot-socfpga/blob/socfpga_v2020.04/arch/arm/mach-socfpga/mmu-arm64_s10.c>

That seems to describe possible occupations - or die you really have 124
GB on your board?

Jan
-- 
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux

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