From: Chenhui Sun sunchenhui@huawei.com
The UART on Pv660 SOC is not fully 16550 compatible, so we use a dedicated ACPI ID for Hisilicon UART instead of the APM one.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Kefeng Wang wangkefeng.wang@huawei.com Signed-off-by: Heyi Guo heyi.guo@linaro.org --- Chips/Hisilicon/Pv660/Pv660AcpiTables/Dsdt/Com.asl | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/Chips/Hisilicon/Pv660/Pv660AcpiTables/Dsdt/Com.asl b/Chips/Hisilicon/Pv660/Pv660AcpiTables/Dsdt/Com.asl index 43027e4..3bcc5fb 100644 --- a/Chips/Hisilicon/Pv660/Pv660AcpiTables/Dsdt/Com.asl +++ b/Chips/Hisilicon/Pv660/Pv660AcpiTables/Dsdt/Com.asl @@ -18,13 +18,12 @@
Scope(_SB) { - // UART 8250 Device(COM0) { - Name(_HID, "APMC0D08") //Or AMD0020, trick to use dw8250 serial driver + Name(_HID, "HISI0031") //it is not 16550 compatible Name(_CID, "8250dw") Name(_UID, Zero) Name(_CRS, ResourceTemplate() { - Memory32Fixed(ReadWrite, 0x80300000, 0x1000) //0x7FF80000, 0x1000 + Memory32Fixed(ReadWrite, 0x80300000, 0x1000) Interrupt(ResourceConsumer, Level, ActiveHigh, Exclusive) { 349 } }) Name (_DSD, Package () {