Re: [PATCH edk2-platforms v1 09/12] Silicon/Hisilicon/D06: Reserve ECAM resource in DSDT

[Leif Lindholm <leif.lindholm@linaro.org>]

On Mon, Oct 29, 2018 at 11:32:46AM +0800, Ming Huang wrote:
> Reserve ECAM resource in DSDT for clearing off bug output in
> kernel dmesg:
> acpi PNP0A08:00: [Firmware Bug]: ECAM area [mem
> 0xd0000000-0xd3ffffff] not reserved in ACPI namespace.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ming Huang <ming.huang@linaro.org>

After Ard pointed me to linux/Documentation/PCI/acpi-info.txt:
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

> ---
>  Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl b/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> index 8e3547926a..87a2da8843 100644
> --- a/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> +++ b/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> @@ -1213,4 +1213,12 @@ Device (PCIB)
>      Return(0x03)
>    }
>  }
> +
> +Device (RESP)  //reserve for ecam resource
> +  {
> +    Name (_HID, "PNP0C02")
> +    Name (_CRS, ResourceTemplate (){
> +      Memory32Fixed (ReadWrite, 0xd0000000, 0x10000000)
> +    })
> +  }
>  }
> -- 
> 2.18.0
>