diff options
Diffstat (limited to 'QuarkPlatformPkg/Library/PlatformHelperLib/PlatformHelperLib.c')
| -rw-r--r-- | QuarkPlatformPkg/Library/PlatformHelperLib/PlatformHelperLib.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/QuarkPlatformPkg/Library/PlatformHelperLib/PlatformHelperLib.c b/QuarkPlatformPkg/Library/PlatformHelperLib/PlatformHelperLib.c new file mode 100644 index 0000000000..6aefdb3794 --- /dev/null +++ b/QuarkPlatformPkg/Library/PlatformHelperLib/PlatformHelperLib.c @@ -0,0 +1,263 @@ +/** @file
+Helper routines with common PEI / DXE implementation.
+
+Copyright (c) 2013-2015 Intel Corporation.
+
+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 "CommonHeader.h"
+
+CHAR16 *mPlatTypeNameTable[] = { EFI_PLATFORM_TYPE_NAME_TABLE_DEFINITION };
+UINTN mPlatTypeNameTableLen = ((sizeof(mPlatTypeNameTable)) / sizeof (CHAR16 *));
+
+//
+// Routines defined in other source modules of this component.
+//
+
+//
+// Routines local to this source module.
+//
+
+//
+// Routines shared with other souce modules in this component.
+//
+
+EFI_STATUS
+WriteFirstFreeSpiProtect (
+ IN CONST UINT32 PchRootComplexBar,
+ IN CONST UINT32 DirectValue,
+ IN CONST UINT32 BaseAddress,
+ IN CONST UINT32 Length,
+ OUT UINT32 *OffsetPtr
+ )
+{
+ UINT32 RegVal;
+ UINT32 Offset;
+ UINT32 StepLen;
+
+ ASSERT (PchRootComplexBar > 0);
+
+ Offset = 0;
+ if (OffsetPtr != NULL) {
+ *OffsetPtr = Offset;
+ }
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR0) == 0) {
+ Offset = R_QNC_RCRB_SPIPBR0;
+ } else {
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR1) == 0) {
+ Offset = R_QNC_RCRB_SPIPBR1;
+ } else {
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR2) == 0) {
+ Offset = R_QNC_RCRB_SPIPBR2;
+ }
+ }
+ }
+ if (Offset != 0) {
+ if (DirectValue == 0) {
+ StepLen = ALIGN_VALUE (Length,SIZE_4KB); // Bring up to 4K boundary.
+ RegVal = BaseAddress + StepLen - 1;
+ RegVal &= 0x00FFF000; // Set EDS Protected Range Limit (PRL).
+ RegVal |= ((BaseAddress >> 12) & 0xfff); // or in EDS Protected Range Base (PRB).
+ } else {
+ RegVal = DirectValue;
+ }
+ //
+ // Enable protection.
+ //
+ RegVal |= B_QNC_RCRB_SPIPBRn_WPE;
+ MmioWrite32 (PchRootComplexBar + Offset, RegVal);
+ if (RegVal == MmioRead32 (PchRootComplexBar + Offset)) {
+ if (OffsetPtr != NULL) {
+ *OffsetPtr = Offset;
+ }
+ return EFI_SUCCESS;
+ }
+ return EFI_DEVICE_ERROR;
+ }
+ return EFI_NOT_FOUND;
+}
+
+//
+// Routines exported by this component.
+//
+
+/**
+ Read 8bit character from debug stream.
+
+ Block until character is read.
+
+ @return 8bit character read from debug stream.
+
+**/
+CHAR8
+EFIAPI
+PlatformDebugPortGetChar8 (
+ VOID
+ )
+{
+ CHAR8 Got;
+
+ do {
+ if (SerialPortPoll ()) {
+ if (SerialPortRead ((UINT8 *) &Got, 1) == 1) {
+ break;
+ }
+ }
+ } while (TRUE);
+
+ return Got;
+}
+
+/**
+ Clear SPI Protect registers.
+
+ @retval EFI_SUCCESS SPI protect registers cleared.
+ @retval EFI_ACCESS_DENIED Unable to clear SPI protect registers.
+**/
+
+EFI_STATUS
+EFIAPI
+PlatformClearSpiProtect (
+ VOID
+ )
+{
+ UINT32 PchRootComplexBar;
+
+ PchRootComplexBar = QNC_RCRB_BASE;
+ //
+ // Check if the SPI interface has been locked-down.
+ //
+ if ((MmioRead16 (PchRootComplexBar + R_QNC_RCRB_SPIS) & B_QNC_RCRB_SPIS_SCL) != 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ MmioWrite32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR0, 0);
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR0) != 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ MmioWrite32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR1, 0);
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR0) != 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ MmioWrite32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR2, 0);
+ if (MmioRead32 (PchRootComplexBar + R_QNC_RCRB_SPIPBR0) != 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ Determine if an SPI address range is protected.
+
+ @param SpiBaseAddress Base of SPI range.
+ @param Length Length of SPI range.
+
+ @retval TRUE Range is protected.
+ @retval FALSE Range is not protected.
+**/
+BOOLEAN
+EFIAPI
+PlatformIsSpiRangeProtected (
+ IN CONST UINT32 SpiBaseAddress,
+ IN CONST UINT32 Length
+ )
+{
+ UINT32 RegVal;
+ UINT32 Offset;
+ UINT32 Limit;
+ UINT32 ProtectedBase;
+ UINT32 ProtectedLimit;
+ UINT32 PchRootComplexBar;
+
+ PchRootComplexBar = QNC_RCRB_BASE;
+
+ if (Length > 0) {
+ Offset = R_QNC_RCRB_SPIPBR0;
+ Limit = SpiBaseAddress + (Length - 1);
+ do {
+ RegVal = MmioRead32 (PchRootComplexBar + Offset);
+ if ((RegVal & B_QNC_RCRB_SPIPBRn_WPE) != 0) {
+ ProtectedBase = (RegVal & 0xfff) << 12;
+ ProtectedLimit = (RegVal & 0x00fff000) + 0xfff;
+ if (SpiBaseAddress >= ProtectedBase && Limit <= ProtectedLimit) {
+ return TRUE;
+ }
+ }
+ if (Offset == R_QNC_RCRB_SPIPBR0) {
+ Offset = R_QNC_RCRB_SPIPBR1;
+ } else if (Offset == R_QNC_RCRB_SPIPBR1) {
+ Offset = R_QNC_RCRB_SPIPBR2;
+ } else {
+ break;
+ }
+ } while (TRUE);
+ }
+ return FALSE;
+}
+
+/**
+ Set Legacy GPIO Level
+
+ @param LevelRegOffset GPIO level register Offset from GPIO Base Address.
+ @param GpioNum GPIO bit to change.
+ @param HighLevel If TRUE set GPIO High else Set GPIO low.
+
+**/
+VOID
+EFIAPI
+PlatformLegacyGpioSetLevel (
+ IN CONST UINT32 LevelRegOffset,
+ IN CONST UINT32 GpioNum,
+ IN CONST BOOLEAN HighLevel
+ )
+{
+ UINT32 RegValue;
+ UINT32 GpioBaseAddress;
+ UINT32 GpioNumMask;
+
+ GpioBaseAddress = LpcPciCfg32 (R_QNC_LPC_GBA_BASE) & B_QNC_LPC_GPA_BASE_MASK;
+ ASSERT (GpioBaseAddress > 0);
+
+ RegValue = IoRead32 (GpioBaseAddress + LevelRegOffset);
+ GpioNumMask = (1 << GpioNum);
+ if (HighLevel) {
+ RegValue |= (GpioNumMask);
+ } else {
+ RegValue &= ~(GpioNumMask);
+ }
+ IoWrite32 (GpioBaseAddress + LevelRegOffset, RegValue);
+}
+
+/**
+ Get Legacy GPIO Level
+
+ @param LevelRegOffset GPIO level register Offset from GPIO Base Address.
+ @param GpioNum GPIO bit to check.
+
+ @retval TRUE If bit is SET.
+ @retval FALSE If bit is CLEAR.
+
+**/
+BOOLEAN
+EFIAPI
+PlatformLegacyGpioGetLevel (
+ IN CONST UINT32 LevelRegOffset,
+ IN CONST UINT32 GpioNum
+ )
+{
+ UINT32 RegValue;
+ UINT32 GpioBaseAddress;
+ UINT32 GpioNumMask;
+
+ GpioBaseAddress = LpcPciCfg32 (R_QNC_LPC_GBA_BASE) & B_QNC_LPC_GPA_BASE_MASK;
+ RegValue = IoRead32 (GpioBaseAddress + LevelRegOffset);
+ GpioNumMask = (1 << GpioNum);
+ return ((RegValue & GpioNumMask) != 0);
+}
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