New patch to review for coreboot: b9ddba3 AGESA fam14: Comment lack of PCI-e slot resets

[Kyösti Mälkki]

Kyösti Mälkki ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5679

-gerrit

commit b9ddba33516d22bde8085d59f28cc8707ddc807f
Author: Kyösti Mälkki 
Date:   Sun May 4 17:23:49 2014 +0300

AGESA fam14: Comment lack of PCI-e slot resets

These boards return with AGESA_UNSUPPORTED, while other boards return
    AGESA_SUCCESS here when there is no hardware for external reset signalling.

Change-Id: I5aed211b1812888af55a691cfbfa8d7b5aff91bc
    Signed-off-by: Kyösti Mälkki 
---
 src/mainboard/asrock/e350m1/BiosCallOuts.c          | 14 +++++++-------
 src/mainboard/lippert/frontrunner-af/BiosCallOuts.c | 14 ++++++--------
 src/mainboard/lippert/toucan-af/BiosCallOuts.c      | 16 +++++++---------
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/src/mainboard/asrock/e350m1/BiosCallOuts.c b/src/mainboard/asrock/e350m1/BiosCallOuts.c
index 8b78f8e..4437c46 100644
--- a/src/mainboard/asrock/e350m1/BiosCallOuts.c
+++ b/src/mainboard/asrock/e350m1/BiosCallOuts.c
@@ -24,6 +24,12 @@
 #include "SB800.h"
 #include <northbridge/amd/agesa/family14/dimmSpd.h>

+/* Should AGESA_GNB_PCIE_SLOT_RESET use agesa_NoopSuccess?
+ *
+ * Board is known to have some issues with integrated NIC and
+ * might need implementation to drive some GPIOs.
+ */
+
 CONST BIOS_CALLOUT_STRUCT BiosCallouts[] =
 {
    {AGESA_ALLOCATE_BUFFER,			BiosAllocateBuffer },
@@ -36,7 +42,7 @@ CONST BIOS_CALLOUT_STRUCT BiosCallouts[] =
    {AGESA_HOOKBEFORE_DQS_TRAINING,		agesa_NoopSuccess },
    {AGESA_HOOKBEFORE_DRAM_INIT,		BiosHookBeforeDramInit },
    {AGESA_HOOKBEFORE_EXIT_SELF_REF,	agesa_NoopSuccess },
-	{AGESA_GNB_PCIE_SLOT_RESET,		BiosGnbPcieSlotReset },
+	{AGESA_GNB_PCIE_SLOT_RESET,		agesa_NoopUnsupported },
 };

AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
@@ -145,9 +151,3 @@ AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
   MemData->ParameterListPtr->EnableMemClr = FALSE;
   return Status;
 }
-
-/* PCIE slot reset control */
-AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  return AGESA_UNSUPPORTED;
-}
diff --git a/src/mainboard/lippert/frontrunner-af/BiosCallOuts.c b/src/mainboard/lippert/frontrunner-af/BiosCallOuts.c
index eb58837..3905d43 100644
--- a/src/mainboard/lippert/frontrunner-af/BiosCallOuts.c
+++ b/src/mainboard/lippert/frontrunner-af/BiosCallOuts.c
@@ -23,6 +23,11 @@
 #include "heapManager.h"
 #include <northbridge/amd/agesa/family14/dimmSpd.h>

+/* Should AGESA_GNB_PCIE_SLOT_RESET use agesa_NoopSuccess?
+ *
+ * Dedicated reset is not needed for the on-board Intel I210 GbE controller.
+ */
+
 STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
 {
    {AGESA_ALLOCATE_BUFFER,			BiosAllocateBuffer },
@@ -32,7 +37,7 @@ STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
    {AGESA_READ_SPD,			BiosReadSpd },
    {AGESA_READ_SPD_RECOVERY,		agesa_NoopUnsupported },
    {AGESA_RUNFUNC_ONAP,			BiosRunFuncOnAp },
-	{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 },
@@ -85,10 +90,3 @@ AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)

return AGESA_SUCCESS;
 }
-
-/* PCIE slot reset control */
-AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-	// Dedicated reset not needed for the on-board Intel I210 GbE controller.
-	return AGESA_UNSUPPORTED;
-}
diff --git a/src/mainboard/lippert/toucan-af/BiosCallOuts.c b/src/mainboard/lippert/toucan-af/BiosCallOuts.c
index 0f292c1..a9570bc 100644
--- a/src/mainboard/lippert/toucan-af/BiosCallOuts.c
+++ b/src/mainboard/lippert/toucan-af/BiosCallOuts.c
@@ -23,6 +23,12 @@
 #include "heapManager.h"
 #include <northbridge/amd/agesa/family14/dimmSpd.h>

+/* Should AGESA_GNB_PCIE_SLOT_RESET use agesa_NoopSuccess?
+ *
+ * COM Express doesn't provide dedicated resets for individual lanes
+ * and it's not needed for the on-board Intel I210 GbE controller.
+ */
+
 STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
 {
    {AGESA_ALLOCATE_BUFFER,			BiosAllocateBuffer },
@@ -32,7 +38,7 @@ STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
    {AGESA_READ_SPD,			BiosReadSpd },
    {AGESA_READ_SPD_RECOVERY,		agesa_NoopUnsupported },
    {AGESA_RUNFUNC_ONAP,			BiosRunFuncOnAp },
-	{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 },
@@ -85,11 +91,3 @@ AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)

return AGESA_SUCCESS;
 }
-
-/* PCIE slot reset control */
-AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-	// COM Express doesn't provide dedicated resets for individual lanes
-	// and it's not needed for the on-board Intel I210 GbE controller.
-	return AGESA_UNSUPPORTED;
-}