diff options
| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-01 23:41:52 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-01 23:41:52 +0000 |
| commit | 99565b88c1bdeae4836aab78db9c08e9511e4adc (patch) | |
| tree | fccd1cf6143872a7214e385cfa3b46c2cd688eb2 /ArmPlatformPkg/PrePi/MainMPCore.c | |
| parent | 513aa3497afd3b84f6f20ed53a18534cb72b2180 (diff) | |
| download | edk2-platforms-99565b88c1bdeae4836aab78db9c08e9511e4adc.tar.xz | |
ArmPlatform/PrePi: Fixed PrePi for MP Cores platform and Global Variable region settings
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12638 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/PrePi/MainMPCore.c')
| -rw-r--r-- | ArmPlatformPkg/PrePi/MainMPCore.c | 80 |
1 files changed, 71 insertions, 9 deletions
diff --git a/ArmPlatformPkg/PrePi/MainMPCore.c b/ArmPlatformPkg/PrePi/MainMPCore.c index 8d9fbe0382..8e61be1985 100644 --- a/ArmPlatformPkg/PrePi/MainMPCore.c +++ b/ArmPlatformPkg/PrePi/MainMPCore.c @@ -16,6 +16,32 @@ #include <Library/ArmGicLib.h>
+#include <Ppi/ArmMpCoreInfo.h>
+
+EFI_STATUS
+GetPlatformPpi (
+ IN EFI_GUID *PpiGuid,
+ OUT VOID **Ppi
+ )
+{
+ UINTN PpiListSize;
+ UINTN PpiListCount;
+ EFI_PEI_PPI_DESCRIPTOR *PpiList;
+ UINTN Index;
+
+ PpiListSize = 0;
+ ArmPlatformGetPlatformPpiList (&PpiListSize, &PpiList);
+ PpiListCount = PpiListSize / sizeof(EFI_PEI_PPI_DESCRIPTOR);
+ for (Index = 0; Index < PpiListCount; Index++, PpiList++) {
+ if (CompareGuid (PpiList->Guid, PpiGuid) == TRUE) {
+ *Ppi = PpiList->Ppi;
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
VOID
PrimaryMain (
IN UINTN UefiMemoryBase,
@@ -24,6 +50,15 @@ PrimaryMain ( IN UINT64 StartTimeStamp
)
{
+ // On MP Core Platform we must implement the ARM MP Core Info PPI (gArmMpCoreInfoPpiGuid)
+ DEBUG_CODE_BEGIN();
+ EFI_STATUS Status;
+ ARM_MP_CORE_INFO_PPI *ArmMpCoreInfoPpi;
+
+ Status = GetPlatformPpi (&gArmMpCoreInfoPpiGuid, (VOID**)&ArmMpCoreInfoPpi);
+ ASSERT_EFI_ERROR (Status);
+ DEBUG_CODE_END();
+
// Enable the GIC Distributor
ArmGicEnableDistributor(PcdGet32(PcdGicDistributorBase));
@@ -44,23 +79,50 @@ SecondaryMain ( IN UINTN MpId
)
{
- // Function pointer to Secondary Core entry point
- VOID (*secondary_start)(VOID);
- UINTN secondary_entry_addr=0;
+ EFI_STATUS Status;
+ ARM_MP_CORE_INFO_PPI *ArmMpCoreInfoPpi;
+ UINTN Index;
+ UINTN ArmCoreCount;
+ ARM_CORE_INFO *ArmCoreInfoTable;
+ UINT32 ClusterId;
+ UINT32 CoreId;
+ VOID (*SecondaryStart)(VOID);
+ UINTN SecondaryEntryAddr;
+
+ ClusterId = GET_CLUSTER_ID(MpId);
+ CoreId = GET_CORE_ID(MpId);
+
+ // On MP Core Platform we must implement the ARM MP Core Info PPI (gArmMpCoreInfoPpiGuid)
+ Status = GetPlatformPpi (&gArmMpCoreInfoPpiGuid, (VOID**)&ArmMpCoreInfoPpi);
+ ASSERT_EFI_ERROR (Status);
+
+ ArmCoreCount = 0;
+ Status = ArmMpCoreInfoPpi->GetMpCoreInfo (&ArmCoreCount, &ArmCoreInfoTable);
+ ASSERT_EFI_ERROR (Status);
+
+ // Find the core in the ArmCoreTable
+ for (Index = 0; Index < ArmCoreCount; Index++) {
+ if ((ArmCoreInfoTable[Index].ClusterId == ClusterId) && (ArmCoreInfoTable[Index].CoreId == CoreId)) {
+ break;
+ }
+ }
+
+ // The ARM Core Info Table must define every core
+ ASSERT (Index != ArmCoreCount);
// Clear Secondary cores MailBox
- ArmClearMPCoreMailbox();
+ MmioWrite32 (ArmCoreInfoTable[Index].MailboxClearAddress, ArmCoreInfoTable[Index].MailboxClearValue);
- while (secondary_entry_addr = ArmGetMPCoreMailbox(), secondary_entry_addr == 0) {
- ArmCallWFI();
+ SecondaryEntryAddr = 0;
+ while (SecondaryEntryAddr = MmioRead32 (ArmCoreInfoTable[Index].MailboxGetAddress), SecondaryEntryAddr == 0) {
+ ArmCallWFI ();
// Acknowledge the interrupt and send End of Interrupt signal.
ArmGicAcknowledgeSgiFrom (PcdGet32(PcdGicInterruptInterfaceBase), PRIMARY_CORE_ID);
}
- secondary_start = (VOID (*)())secondary_entry_addr;
-
// Jump to secondary core entry point.
- secondary_start();
+ SecondaryStart = (VOID (*)())SecondaryEntryAddr;
+ SecondaryStart();
// The secondaries shouldn't reach here
ASSERT(FALSE);
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