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dm: passthru: add acpi support for tsn devices 

Add needed ACPI tables for TSN device.

Tracked-On: #4831
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Binbin Wu 2020-05-13 13:57:01 +00:00 committed by wenlingz
parent 6be27cdcab
commit 68b5616a52
1 changed files with 73 additions and 1 deletions
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74
devicemodel/hw/pci/passthrough.c
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@ -1404,6 +1404,77 @@ write_dsdt_sdc(struct pci_vdev *dev)
dsdt_line("}");
}
static void
write_dsdt_tsn(struct pci_vdev *dev, uint16_t device)
{
char device_name[4];
uint16_t pcs_id;
if (device == 0x4b32) {
strncpy(device_name, "GTSN", 4);
pcs_id = 0;
} else if (device == 0x4ba0) {
strncpy(device_name, "OTN0", 4);
pcs_id = 1;
} else if (device == 0x4bb0) {
strncpy(device_name, "OTN1", 4);
pcs_id = 2;
} else {
return;
}
pr_info("write TSN-%x:%x.%x in dsdt for TSN-%d\n", dev->bus, dev->slot, dev->func, pcs_id);
dsdt_line("");
dsdt_line("Device (%.4s)", device_name);
dsdt_line("{");
dsdt_line(" Name (_ADR, 0x%04X%04X)", dev->slot, dev->func); // _ADR: Address
dsdt_line(" OperationRegion (TSRT, PCI_Config, Zero, 0x0100)");
dsdt_line(" Field (TSRT, AnyAcc, NoLock, Preserve)");
dsdt_line(" {");
dsdt_line(" DVID, 16,");
dsdt_line(" Offset (0x10),");
dsdt_line(" TADL, 32,");
dsdt_line(" TADH, 32");
dsdt_line(" }");
dsdt_line("}");
dsdt_line("");
dsdt_line("Scope (_SB)");
dsdt_line("{");
dsdt_line(" Device (PCS%01X)", pcs_id);
dsdt_line(" {");
dsdt_line(" Name (_HID, \"INTC1033\")"); // _HID: Hardware ID
dsdt_line(" Name (_UID, Zero)"); // _UID: Unique ID
dsdt_line(" Method (_STA, 0, NotSerialized)"); // _STA: Status
dsdt_line(" {");
dsdt_line("");
dsdt_line(" Return (0x0F)");
dsdt_line(" }");
dsdt_line("");
dsdt_line(" Method (_CRS, 0, Serialized)"); // _CRS: Current Resource Settings
dsdt_line(" {");
dsdt_line(" Name (PCSR, ResourceTemplate ()");
dsdt_line(" {");
dsdt_line(" Memory32Fixed (ReadWrite,");
dsdt_line(" 0x00000000,"); // Address Base
dsdt_line(" 0x00000004,"); // Address Length
dsdt_line(" _Y55)");
dsdt_line(" Memory32Fixed (ReadWrite,");
dsdt_line(" 0x00000000,"); // Address Base
dsdt_line(" 0x00000004,"); // Address Length
dsdt_line(" _Y56)");
dsdt_line(" })");
dsdt_line(" CreateDWordField (PCSR, \\_SB.PCS%01X._CRS._Y55._BAS, MAL0)", pcs_id); // _BAS: Base Address
dsdt_line(" MAL0 = ((^^PCI0.%.4s.TADL & 0xFFFFF000) + 0x0200)", device_name);
dsdt_line(" CreateDWordField (PCSR, \\_SB.PCS%01X._CRS._Y56._BAS, MDL0)", pcs_id); // _BAS: Base Address
dsdt_line(" MDL0 = ((^^PCI0.%.4s.TADL & 0xFFFFF000) + 0x0204)", device_name);
dsdt_line(" Return (PCSR)"); /* \_SB_.PCS0._CRS.PCSR */
dsdt_line(" }");
dsdt_line(" }");
dsdt_line("}");
dsdt_line("");
}
static void
passthru_write_dsdt(struct pci_vdev *dev)
{
@ -1435,7 +1506,8 @@ passthru_write_dsdt(struct pci_vdev *dev)
else if (device == 0x5aca)
/* SDC @ 00:1b.0 */
write_dsdt_sdc(dev);
else if ((device == 0x4b32) || (device == 0x4ba0) || (device == 0x4bb0))
write_dsdt_tsn(dev, device);
}
struct pci_vdev_ops passthru = {