D19507.id54834.diff
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D19507.id54834.diff
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	Index: sys/dev/uart/uart_cpu_arm64.c
	===================================================================
	--- sys/dev/uart/uart_cpu_arm64.c
	+++ sys/dev/uart/uart_cpu_arm64.c
	@@ -149,9 +149,24 @@

	*classp = cd->cd_class;
	*rclk = 0;
	- *shiftp = 2;
	*iowidthp = spcr->SerialPort.BitWidth / 8;

	+ switch (spcr->InterfaceType) {
	+ case ACPI_DBG2_16550_COMPATIBLE: /* fallthrough */
	+ case ACPI_DBG2_16550_SUBSET:
	+ *shiftp = 0;
	+ break;
	+ case ACPI_DBG2_ARM_PL011: /* fallthrough */
	+ case ACPI_DBG2_ARM_SBSA_32BIT:
	+ case ACPI_DBG2_ARM_SBSA_GENERIC:
	+ *shiftp = 2;
	+ break;
	+ default:
	+ printf("uart_cpu_acpi_probe: unknown InterfaceType %d",
	+ spcr->InterfaceType);
	+ *shiftp = 2;
	+ }
	+
	out:
	acpi_unmap_table(spcr);
	return (err);