From: Ming Huang huangming23@huawei.com
1. Disable I2C0 device avoiding access conflict in OS, for it is used by UEFI to access DS3231 RTC chip and provide time services; 2. Modify _HID of I2C2 for matching the string in OS driver;
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ming Huang huangming23@huawei.com Signed-off-by: Heyi Guo heyi.guo@linaro.org --- Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-)
diff --git a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl index eb906ef..3cc60d1 100644 --- a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl +++ b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl @@ -18,26 +18,8 @@
Scope(_SB) { - Device(I2C0) { - Name(_HID, "APMC0D0F") - Name(_CID, "APMC0D0F") - Name(_CRS, ResourceTemplate() { - Memory32Fixed(ReadWrite, 0xd00e0000, 0x10000) - Interrupt(ResourceConsumer, Level, ActiveHigh, Exclusive, 0, "\_SB.MBI6") { 705 } - }) - Name (_DSD, Package () { - ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), - Package () { - Package () {"clock-frequency", 100000}, - Package () {"i2c-sda-falling-time-ns", 913}, - Package () {"i2c-scl-falling-time-ns", 303}, - Package () {"i2c-sda-hold-time-ns", 0x9c2}, - } - }) - } - Device(I2C2) { - Name(_HID, "APMC0D0F") + Name(_HID, "HISI02A1") Name(_CID, "APMC0D0F") Name(_CRS, ResourceTemplate() { Memory32Fixed(ReadWrite, 0xd0100000, 0x10000)