diff options
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/Library/PeiSiPolicyLib/PeiSiPolicyLib.c')
| -rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/Library/PeiSiPolicyLib/PeiSiPolicyLib.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/Library/PeiSiPolicyLib/PeiSiPolicyLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/Library/PeiSiPolicyLib/PeiSiPolicyLib.c new file mode 100644 index 0000000000..2d66cb5385 --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/Library/PeiSiPolicyLib/PeiSiPolicyLib.c @@ -0,0 +1,148 @@ +/** @file
+ This file is PeiSiPolicyLib library creates default settings of RC
+ Policy and installs RC Policy PPI.
+
+ Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "PeiSiPolicyLibrary.h"
+
+/**
+ SiCreatePolicyDefaults creates the default setting of Silicon Policy.
+ It allocates and zero out buffer, and fills in the Intel default settings.
+
+ @param[out] SiPolicyPpi The pointer to get Silicon Policy PPI instance
+
+ @retval EFI_SUCCESS The policy default is initialized.
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer.
+
+**/
+EFI_STATUS
+EFIAPI
+SiCreatePolicyDefaults (
+ OUT SI_POLICY_PPI **SiPolicyPpi
+ )
+{
+ SI_POLICY_PPI *SiPolicy;
+
+ SiPolicy = (SI_POLICY_PPI *) AllocateZeroPool (sizeof (SI_POLICY_PPI));
+ if (SiPolicy == NULL) {
+ ASSERT (FALSE);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // General intialization
+ //
+ SiPolicy->Revision = SI_POLICY_REVISION;
+
+ //
+ // PlatformData configuration
+ //
+ //
+ // FviSmbiosType is the SMBIOS OEM type (0x80 to 0xFF) defined in SMBIOS Type 14 - Group
+ // Associations structure - item type. FVI structure uses it as SMBIOS OEM type to provide
+ // version information. The default value is type 221.
+ //
+ SiPolicy->FviSmbiosType = 0xDD;
+
+ //
+ // Temporary Bus range for silicon initialization.
+ //
+ SiPolicy->TempPciBusMin = 2;
+ SiPolicy->TempPciBusMax = 6;
+
+ //
+ // Temporary Memory Base Address for PCI devices to be used to initialize MMIO registers.
+ // Minimum size is 2MB bytes.
+ //
+ SiPolicy->TempMemBaseAddr = TEMP_MEM_BASE_ADDRESS;
+ SiPolicy->TempMemSize = TEMP_MEM_SIZE;
+
+ //
+ // Temporary IO Base Address for PCI devices to be used to initialize IO registers.
+ // And size of temporary IO space.
+ //
+ SiPolicy->TempIoBaseAddr = TEMP_IO_BASE_ADDRESS;
+ SiPolicy->TempIoSize = TEMP_IO_SIZE;
+
+ *SiPolicyPpi = SiPolicy;
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ SiInstallPolicyPpi installs SiPolicyPpi.
+ While installed, RC assumes the Policy is ready and finalized. So please update and override
+ any setting before calling this function.
+
+ @param[in] SiPolicyPpi The pointer to Silicon Policy PPI instance.
+
+ @retval EFI_SUCCESS The policy is installed.
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer.
+
+**/
+EFI_STATUS
+EFIAPI
+SiInstallPolicyPpi (
+ IN SI_POLICY_PPI *SiPolicyPpi
+ )
+{
+ EFI_STATUS Status;
+ EFI_PEI_PPI_DESCRIPTOR *SiPolicyPpiDesc;
+ EFI_PEI_PPI_DESCRIPTOR *OldSiPolicyPpiDesc;
+
+ SiPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
+ if (SiPolicyPpiDesc == NULL) {
+ ASSERT (FALSE);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ SiPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
+ SiPolicyPpiDesc->Guid = &gSiPolicyPpiGuid;
+ SiPolicyPpiDesc->Ppi = SiPolicyPpi;
+
+ //
+ // Print whole SI_POLICY_PPI and serial out.
+ //
+ SiPrintPolicyPpi (SiPolicyPpi);
+
+ Status = PeiServicesLocatePpi (
+ &gSiPolicyPpiGuid,
+ 0,
+ &OldSiPolicyPpiDesc,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_INFO, "Locate Old gSiPolicyPpiGuid fail in Post-Memory\n"));
+ Status = PeiServicesInstallPpi (SiPolicyPpiDesc);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Install gSiPolicyPpiGuid fail in Post-Memory\n"));
+ }
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ //
+ // ReInstall Sc Spi PPI
+ //
+ DEBUG ((DEBUG_INFO, "Re-Install gSiPolicyPpiGuid in Post-Memory, OldSiPolicyPpiDesc is %x, New is %x\n", OldSiPolicyPpiDesc, SiPolicyPpiDesc));
+ Status = PeiServicesReInstallPpi (OldSiPolicyPpiDesc, SiPolicyPpiDesc);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Re-Install gSiPolicyPpiGuid fail in Post-Memory\n"));
+ }
+ ASSERT_EFI_ERROR (Status);
+ }
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
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