Implement workaround suggested by Socionext to get legacy endpoints with 32-bit BARs working.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <[email protected]> --- Silicon/Socionext/SynQuacer/Library/SynQuacerPciHostBridgeLib/SynQuacerPciHostBridgeLibConstructor.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Silicon/Socionext/SynQuacer/Library/SynQuacerPciHostBridgeLib/SynQuacerPciHostBridgeLibConstructor.c b/Silicon/Socionext/SynQuacer/Library/SynQuacerPciHostBridgeLib/SynQuacerPciHostBridgeLibConstructor.c index 3c6eff602f74..dd6c9bf90223 100644 --- a/Silicon/Socionext/SynQuacer/Library/SynQuacerPciHostBridgeLib/SynQuacerPciHostBridgeLibConstructor.c +++ b/Silicon/Socionext/SynQuacer/Library/SynQuacerPciHostBridgeLib/SynQuacerPciHostBridgeLibConstructor.c @@ -31,10 +31,13 @@ #define IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TYPE_IO 0x2 #define IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TYPE_CFG0 0x4 #define IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TYPE_CFG1 0x5 +#define IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TH BIT12 #define IATU_REGION_CTRL_2_OFF_OUTBOUND_0 0x908 #define IATU_REGION_CTRL_2_OFF_OUTBOUND_0_REGION_EN BIT31 #define IATU_REGION_CTRL_2_OFF_OUTBOUND_0_CFG_SHIFT_MODE BIT28 +#define IATU_REGION_CTRL_2_OFF_OUTBOUND_0_MSG_CODE_32BIT 0xF +#define IATU_REGION_CTRL_2_OFF_OUTBOUND_0_MSG_CODE_64BIT 0xFF #define IATU_LWR_BASE_ADDR_OFF_OUTBOUND_0 0x90C #define IATU_UPPER_BASE_ADDR_OFF_OUTBOUND_0 0x910 @@ -296,8 +299,9 @@ PciInitController ( RootBridge->Mem.Base, RootBridge->Mem.Base, RootBridge->Mem.Limit - RootBridge->Mem.Base + 1, - IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TYPE_MEM, - 0); + IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TYPE_MEM | + IATU_REGION_CTRL_1_OFF_OUTBOUND_0_TH, + IATU_REGION_CTRL_2_OFF_OUTBOUND_0_MSG_CODE_32BIT); // Region 1: Type 0 config space ConfigureWindow (DbiBase, 1, -- 2.11.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
