Re: [kvm-unit-tests PATCH v6 12/32] arm64: Add support for discovering the UART through ACPI

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> On Jun 8, 2023, at 10:18 AM, Nadav Amit <nadav.amit@xxxxxxxxx> wrote:
> 
> 
> On May 30, 2023, at 9:09 AM, Nikos Nikoleris <nikos.nikoleris@xxxxxxx> wrote:
> 
>> 
>> +static void uart0_init_acpi(void)
>> +{
>> + struct spcr_descriptor *spcr = find_acpi_table_addr(SPCR_SIGNATURE);
>> +
>> + assert_msg(spcr, "Unable to find ACPI SPCR");
>> + uart0_base = ioremap(spcr->serial_port.address, spcr->serial_port.bit_width);
>> +}
> 
> Is it possible as a fallback, is SPCR is not available, to UART_EARLY_BASE as
> address and bit_width as bit-width?
> 
> I would appreciate it, since it would help my setup.
> 

Ugh - typo, 8 as bit-width for the fallback (ioremap with these parameters to
make my request clear).





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