diff options
Diffstat (limited to 'Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c')
| -rw-r--r-- | Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c | 414 |
1 files changed, 204 insertions, 210 deletions
diff --git a/Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c b/Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c index 2d118e0..c388a7a 100644 --- a/Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c +++ b/Platforms/Hisilicon/HiKey/Library/HiKeyLib/HiKeyMem.c @@ -1,210 +1,204 @@ -/** @file -* -* Copyright (c) 2014-2015, Linaro Limited. All rights reserved. -* Copyright (c) 2014-2015, Hisilicon Limited. All rights reserved. -* -* 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 <Library/ArmPlatformLib.h> -#include <Library/DebugLib.h> -#include <Library/HobLib.h> -#include <Library/PcdLib.h> -#include <Library/IoLib.h> -#include <Library/MemoryAllocationLib.h> - -#include <Hi6220.h> - -// The total number of descriptors, including the final "end-of-table" descriptor. -#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 12 - -// DDR attributes -#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK -#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED - -#define HIKEY_EXTRA_SYSTEM_MEMORY_BASE 0x40000000 -#define HIKEY_EXTRA_SYSTEM_MEMORY_SIZE 0x40000000 - -STATIC struct HiKeyReservedMemory { - EFI_PHYSICAL_ADDRESS Offset; - EFI_PHYSICAL_ADDRESS Size; -} HiKeyReservedMemoryBuffer [] = { - { 0x05E00000, 0x00100000 }, // MCU - { 0x05F01000, 0x00001000 }, // ADB REBOOT "REASON" - { 0x06DFF000, 0x00001000 }, // MAILBOX - { 0x0740F000, 0x00001000 }, // MAILBOX - { 0x21F00000, 0x00100000 }, // PSTORE/RAMOOPS - { 0x3E000000, 0x02000000 } // TEE OS -}; - -STATIC -UINT64 -EFIAPI -HiKeyInitMemorySize ( - IN VOID - ) -{ - UINT32 Count, Data, MemorySize; - - Count = 0; - while (MmioRead32 (MDDRC_AXI_BASE + AXI_REGION_MAP_OFFSET (Count)) != 0) { - Count++; - } - Data = MmioRead32 (MDDRC_AXI_BASE + AXI_REGION_MAP_OFFSET (Count - 1)); - MemorySize = 16 << ((Data >> 8) & 0x7); - MemorySize += Data << 24; - return (UINT64) (MemorySize << 20); -} - -/** - Return the Virtual Memory Map of your platform - - This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform. - - @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to- - Virtual Memory mapping. This array must be ended by a zero-filled - entry - -**/ -VOID -ArmPlatformGetVirtualMemoryMap ( - IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap - ) -{ - ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes; - UINTN Index = 0, Count, ReservedTop; - ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable; - EFI_PEI_HOB_POINTERS NextHob; - EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes; - UINT64 ResourceLength; - EFI_PHYSICAL_ADDRESS ResourceTop; - UINT64 MemorySize, AdditionalMemorySize; - - MemorySize = HiKeyInitMemorySize (); - - ResourceAttributes = ( - EFI_RESOURCE_ATTRIBUTE_PRESENT | - EFI_RESOURCE_ATTRIBUTE_INITIALIZED | - EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE | - EFI_RESOURCE_ATTRIBUTE_TESTED - ); - - // Create initial Base Hob for system memory. - BuildResourceDescriptorHob ( - EFI_RESOURCE_SYSTEM_MEMORY, - ResourceAttributes, - PcdGet64 (PcdSystemMemoryBase), - PcdGet64 (PcdSystemMemorySize) - ); - - NextHob.Raw = GetHobList (); - Count = sizeof (HiKeyReservedMemoryBuffer) / sizeof (struct HiKeyReservedMemory); - while ((NextHob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, NextHob.Raw)) != NULL) - { - if (Index >= Count) - break; - if ((NextHob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) && - (HiKeyReservedMemoryBuffer[Index].Offset >= NextHob.ResourceDescriptor->PhysicalStart) && - ((HiKeyReservedMemoryBuffer[Index].Offset + HiKeyReservedMemoryBuffer[Index].Size) <= - NextHob.ResourceDescriptor->PhysicalStart + NextHob.ResourceDescriptor->ResourceLength)) - { - ResourceAttributes = NextHob.ResourceDescriptor->ResourceAttribute; - ResourceLength = NextHob.ResourceDescriptor->ResourceLength; - ResourceTop = NextHob.ResourceDescriptor->PhysicalStart + ResourceLength; - ReservedTop = HiKeyReservedMemoryBuffer[Index].Offset + HiKeyReservedMemoryBuffer[Index].Size; - - // Create the System Memory HOB for the reserved buffer - BuildResourceDescriptorHob (EFI_RESOURCE_MEMORY_RESERVED, - EFI_RESOURCE_ATTRIBUTE_PRESENT, - HiKeyReservedMemoryBuffer[Index].Offset, - HiKeyReservedMemoryBuffer[Index].Size); - // Update the HOB - NextHob.ResourceDescriptor->ResourceLength = HiKeyReservedMemoryBuffer[Index].Offset - NextHob.ResourceDescriptor->PhysicalStart; - - // If there is some memory available on the top of the reserved memory then create a HOB - if (ReservedTop < ResourceTop) - { - BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY, - ResourceAttributes, - ReservedTop, - ResourceTop - ReservedTop); - } - Index++; - } - NextHob.Raw = GET_NEXT_HOB (NextHob); - } - - AdditionalMemorySize = MemorySize - PcdGet64 (PcdSystemMemorySize); - if (AdditionalMemorySize >= SIZE_1GB) { - // Declared the additional memory - ResourceAttributes = - EFI_RESOURCE_ATTRIBUTE_PRESENT | - EFI_RESOURCE_ATTRIBUTE_INITIALIZED | - EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE | - EFI_RESOURCE_ATTRIBUTE_TESTED; - - BuildResourceDescriptorHob ( - EFI_RESOURCE_SYSTEM_MEMORY, - ResourceAttributes, - HIKEY_EXTRA_SYSTEM_MEMORY_BASE, - HIKEY_EXTRA_SYSTEM_MEMORY_SIZE); - } - - ASSERT (VirtualMemoryMap != NULL); - - VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(EFI_SIZE_TO_PAGES (sizeof(ARM_MEMORY_REGION_DESCRIPTOR) * MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS)); - if (VirtualMemoryTable == NULL) { - return; - } - - if (FeaturePcdGet(PcdCacheEnable) == TRUE) { - CacheAttributes = DDR_ATTRIBUTES_CACHED; - } else { - CacheAttributes = DDR_ATTRIBUTES_UNCACHED; - } - - Index = 0; - - // Hi6220 SOC peripherals - VirtualMemoryTable[Index].PhysicalBase = HI6220_PERIPH_BASE; - VirtualMemoryTable[Index].VirtualBase = HI6220_PERIPH_BASE; - VirtualMemoryTable[Index].Length = HI6220_PERIPH_SZ; - VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE; - - // DDR - predefined 1GB size - VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdSystemMemoryBase); - VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdSystemMemoryBase); - VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize); - VirtualMemoryTable[Index].Attributes = CacheAttributes; - - // If DDR capacity is 2GB size, append a new entry to fill the gap. - if (AdditionalMemorySize >= SIZE_1GB) { - VirtualMemoryTable[++Index].PhysicalBase = HIKEY_EXTRA_SYSTEM_MEMORY_BASE; - VirtualMemoryTable[Index].VirtualBase = HIKEY_EXTRA_SYSTEM_MEMORY_BASE; - VirtualMemoryTable[Index].Length = HIKEY_EXTRA_SYSTEM_MEMORY_SIZE; - VirtualMemoryTable[Index].Attributes = CacheAttributes; - } - - // End of Table - VirtualMemoryTable[++Index].PhysicalBase = 0; - VirtualMemoryTable[Index].VirtualBase = 0; - VirtualMemoryTable[Index].Length = 0; - VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0; - - ASSERT((Index + 1) <= MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS); - - *VirtualMemoryMap = VirtualMemoryTable; -} +/** @file
+*
+* Copyright (c) 2014-2017, Linaro Limited. All rights reserved.
+*
+* 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 <Library/ArmPlatformLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/IoLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+#include <Hi6220.h>
+
+// The total number of descriptors, including the final "end-of-table" descriptor.
+#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 12
+
+// DDR attributes
+#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
+#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED
+
+#define HIKEY_EXTRA_SYSTEM_MEMORY_BASE 0x40000000
+#define HIKEY_EXTRA_SYSTEM_MEMORY_SIZE 0x40000000
+
+STATIC struct HiKeyReservedMemory {
+ EFI_PHYSICAL_ADDRESS Offset;
+ EFI_PHYSICAL_ADDRESS Size;
+} HiKeyReservedMemoryBuffer [] = {
+ { 0x05E00000, 0x00100000 }, // MCU
+ { 0x05F01000, 0x00001000 }, // ADB REBOOT "REASON"
+ { 0x06DFF000, 0x00001000 }, // MAILBOX
+ { 0x0740F000, 0x00001000 }, // MAILBOX
+ { 0x21F00000, 0x00100000 }, // PSTORE/RAMOOPS
+ { 0x3E000000, 0x02000000 } // TEE OS
+};
+
+STATIC
+UINT64
+EFIAPI
+HiKeyInitMemorySize (
+ IN VOID
+ )
+{
+ UINT32 Data;
+ UINT64 MemorySize;
+
+ Data = MmioRead32 (MDDRC_AXI_BASE + AXI_REGION_MAP);
+ MemorySize = HIKEY_REGION_SIZE(Data);
+ return MemorySize;
+}
+
+/**
+ Return the Virtual Memory Map of your platform
+
+ This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform.
+
+ @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-
+ Virtual Memory mapping. This array must be ended by a zero-filled
+ entry
+
+**/
+VOID
+ArmPlatformGetVirtualMemoryMap (
+ IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap
+ )
+{
+ ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes;
+ UINTN Index = 0, Count, ReservedTop;
+ ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
+ EFI_PEI_HOB_POINTERS NextHob;
+ EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;
+ UINT64 ResourceLength;
+ EFI_PHYSICAL_ADDRESS ResourceTop;
+ UINT64 MemorySize, AdditionalMemorySize;
+
+ MemorySize = HiKeyInitMemorySize ();
+ if (MemorySize == 0) {
+ MemorySize = PcdGet64 (PcdSystemMemorySize);
+ }
+
+ ResourceAttributes = (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_TESTED
+ );
+
+ // Create initial Base Hob for system memory.
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ PcdGet64 (PcdSystemMemoryBase),
+ PcdGet64 (PcdSystemMemorySize)
+ );
+
+ NextHob.Raw = GetHobList ();
+ Count = sizeof (HiKeyReservedMemoryBuffer) / sizeof (struct HiKeyReservedMemory);
+ while ((NextHob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, NextHob.Raw)) != NULL) {
+ if (Index >= Count) {
+ break;
+ }
+ if ((NextHob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) &&
+ (HiKeyReservedMemoryBuffer[Index].Offset >= NextHob.ResourceDescriptor->PhysicalStart) &&
+ ((HiKeyReservedMemoryBuffer[Index].Offset + HiKeyReservedMemoryBuffer[Index].Size) <=
+ NextHob.ResourceDescriptor->PhysicalStart + NextHob.ResourceDescriptor->ResourceLength)) {
+ ResourceAttributes = NextHob.ResourceDescriptor->ResourceAttribute;
+ ResourceLength = NextHob.ResourceDescriptor->ResourceLength;
+ ResourceTop = NextHob.ResourceDescriptor->PhysicalStart + ResourceLength;
+ ReservedTop = HiKeyReservedMemoryBuffer[Index].Offset + HiKeyReservedMemoryBuffer[Index].Size;
+
+ // Create the System Memory HOB for the reserved buffer
+ BuildResourceDescriptorHob (EFI_RESOURCE_MEMORY_RESERVED,
+ EFI_RESOURCE_ATTRIBUTE_PRESENT,
+ HiKeyReservedMemoryBuffer[Index].Offset,
+ HiKeyReservedMemoryBuffer[Index].Size);
+ // Update the HOB
+ NextHob.ResourceDescriptor->ResourceLength = HiKeyReservedMemoryBuffer[Index].Offset - NextHob.ResourceDescriptor->PhysicalStart;
+
+ // If there is some memory available on the top of the reserved memory then create a HOB
+ if (ReservedTop < ResourceTop) {
+ BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ ReservedTop,
+ ResourceTop - ReservedTop);
+ }
+ Index++;
+ }
+ NextHob.Raw = GET_NEXT_HOB (NextHob);
+ }
+
+ AdditionalMemorySize = MemorySize - PcdGet64 (PcdSystemMemorySize);
+ if (AdditionalMemorySize >= SIZE_1GB) {
+ // Declared the additional memory
+ ResourceAttributes =
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_TESTED;
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ HIKEY_EXTRA_SYSTEM_MEMORY_BASE,
+ HIKEY_EXTRA_SYSTEM_MEMORY_SIZE);
+ }
+
+ ASSERT (VirtualMemoryMap != NULL);
+
+ VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(EFI_SIZE_TO_PAGES (sizeof(ARM_MEMORY_REGION_DESCRIPTOR) * MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS));
+ if (VirtualMemoryTable == NULL) {
+ return;
+ }
+
+ if (FeaturePcdGet(PcdCacheEnable) == TRUE) {
+ CacheAttributes = DDR_ATTRIBUTES_CACHED;
+ } else {
+ CacheAttributes = DDR_ATTRIBUTES_UNCACHED;
+ }
+
+ Index = 0;
+
+ // Hi6220 SOC peripherals
+ VirtualMemoryTable[Index].PhysicalBase = HI6220_PERIPH_BASE;
+ VirtualMemoryTable[Index].VirtualBase = HI6220_PERIPH_BASE;
+ VirtualMemoryTable[Index].Length = HI6220_PERIPH_SZ;
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
+ // DDR - predefined 1GB size
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdSystemMemoryBase);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdSystemMemoryBase);
+ VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
+ VirtualMemoryTable[Index].Attributes = CacheAttributes;
+
+ // If DDR capacity is 2GB size, append a new entry to fill the gap.
+ if (AdditionalMemorySize >= SIZE_1GB) {
+ VirtualMemoryTable[++Index].PhysicalBase = HIKEY_EXTRA_SYSTEM_MEMORY_BASE;
+ VirtualMemoryTable[Index].VirtualBase = HIKEY_EXTRA_SYSTEM_MEMORY_BASE;
+ VirtualMemoryTable[Index].Length = HIKEY_EXTRA_SYSTEM_MEMORY_SIZE;
+ VirtualMemoryTable[Index].Attributes = CacheAttributes;
+ }
+
+ // End of Table
+ VirtualMemoryTable[++Index].PhysicalBase = 0;
+ VirtualMemoryTable[Index].VirtualBase = 0;
+ VirtualMemoryTable[Index].Length = 0;
+ VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0;
+
+ ASSERT((Index + 1) <= MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);
+
+ *VirtualMemoryMap = VirtualMemoryTable;
+}
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