New patch to review for coreboot: 1a8ec8a jetway/nf81-t56n-lf: Remove random GPIO driving for PCI-e resets

[Kyösti Mälkki]

Kyösti Mälkki ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5684

-gerrit

commit 1a8ec8ae43e20aad3b1e468d753ff41ff2c322c5
Author: Kyösti Mälkki 
Date:   Tue May 6 16:30:25 2014 +0300

jetway/nf81-t56n-lf: Remove random GPIO driving for PCI-e resets

These reset signals were copied as-is from AMD persimmon.
    Power-on defaults are safer than randomly picked GPIOs configured
    as outputs, but even the GPIO input/output configurations for
    this board have not been verified.

Change-Id: Ia95a8e6cef44cfc2eaa0ebdfdf75a7709dd6e9f9
    Signed-off-by: Kyösti Mälkki 
---
 src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c | 48 +-----------------------
 1 file changed, 1 insertion(+), 47 deletions(-)

diff --git a/src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c b/src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c
index f4b8586..9dc0513 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c
+++ b/src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c
@@ -35,7 +35,7 @@ STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
    {AGESA_READ_SPD,			BiosReadSpd },
    {AGESA_READ_SPD_RECOVERY,		agesa_NoopUnsupported },
    {AGESA_RUNFUNC_ONAP,			agesa_RunFuncOnAp },
-	{AGESA_GNB_PCIE_SLOT_RESET,		BiosGnbPcieSlotReset },
+	{AGESA_GNB_PCIE_SLOT_RESET,		agesa_NoopUnsupported },
    {AGESA_HOOKBEFORE_DRAM_INIT,		BiosHookBeforeDramInit },
    {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY,	agesa_NoopSuccess },
    {AGESA_HOOKBEFORE_DQS_TRAINING,		agesa_NoopSuccess },
@@ -73,49 +73,3 @@ AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
    ((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5;
    return AGESA_SUCCESS;
 }
-
-/* PCIE slot reset control */
-AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-	AGESA_STATUS Status;
-	uint32_t 		FcnData;
-	PCIe_SLOT_RESET_INFO	*ResetInfo;
-
-	uint32_t	GpioMmioAddr;
-	uint32_t	AcpiMmioAddr;
-	uint8_t	 Data8;
-	uint16_t	Data16;
-
-	FcnData = Data;
-	ResetInfo = ConfigPtr;
-	/* Get SB800 MMIO Base (AcpiMmioAddr) */
-	WriteIo8(0xCD6, 0x27);
-	Data8 = ReadIo8(0xCD7);
-	Data16=Data8<<8;
-	WriteIo8(0xCD6, 0x26);
-	Data8 = ReadIo8(0xCD7);
-	Data16|=Data8;
-	AcpiMmioAddr = (uint32_t)Data16 << 16;
-	Status = AGESA_UNSUPPORTED;
-	GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
-	switch (ResetInfo->ResetId)
-	{
-	case 46:	/* GPIO50 = SBGPIO_PCIE_RST# affects LAN0, LAN1, PCIe slot */
-		switch (ResetInfo->ResetControl) {
-		case AssertSlotReset:
-			Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
-			Data8 &= ~(uint8_t)BIT6 ;
-			Write64Mem8(GpioMmioAddr+SB_GPIO_REG50, Data8);
-			Status = AGESA_SUCCESS;
-			break;
-		case DeassertSlotReset:
-			Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
-			Data8 |= BIT6 ;
-			Write64Mem8 (GpioMmioAddr+SB_GPIO_REG50, Data8);
-			Status = AGESA_SUCCESS;
-			break;
-		}
-		break;
-	}
-	return	Status;
-}