On Mon, Nov 18, 2019 at 05:34:25PM +0000, Pete Batard wrote:
> Hi Leif,
>
> On 2019.11.18 17:20, Leif Lindholm wrote:
> > On Thu, Nov 14, 2019 at 04:07:37PM +0000, Pete Batard wrote:
> > > This patch improves memory initialization for the Raspberry Pi Platform
> > > by:
> > >
> > > Using VideoCore mailbox data to reserve only the regions that are actually
> > > mapped. Especially, besides the base RAM size, which was already set using
> > > VideoCore data, we can set the GPU/VideoCore base address as well as the
> > > extended RAM, which is the memory beyond 1 GB that is available on models
> > > such as the Raspberry Pi 4 (for the 2GB or 4GB versions).
> > >
> > > Introducing a new PcdExtendedMemoryBase PCD for the base address of the
> > > extended memory region, which currently cannot be retrieved from VideoCore
> > > (MBOX_GET_ARM_MEMSIZE still only returns a single region on Bcm2711).
> > >
> > > Introducing a new RpiPlatformGetVirtualMemoryInfo() companion call to
> > > ArmPlatformGetVirtualMemoryMap() that allows us greatly simplify the
> > > registration of each segment in MemoryPeim() as well as making it easier
> > > to maintain for future models.
> > >
> > > We also fix SoC register space that should have been marked as reserved
> > > but wasn't until now and remove the unreferenced mSystemMemoryEnd extern
> > > in MemoryInitPeiLib.c.
> >
> > Minor style comments and one copyright question below.
> >
> > > Signed-off-by: Pete Batard <p...@akeo.ie>
> > > ---
> > > Platform/RaspberryPi/Include/Library/RPiMem.h |
> > > 26 +++
> > > Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c |
> > > 94 ++++----
> > > Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.inf |
> > > 1 +
> > > Platform/RaspberryPi/Library/PlatformLib/PlatformLib.inf |
> > > 3 +
> > > Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c |
> > > 242 +++++++++++---------
> > > Platform/RaspberryPi/RaspberryPi.dec |
> > > 1 +
> > > 6 files changed, 210 insertions(+), 157 deletions(-)
> > >
> > > diff --git a/Platform/RaspberryPi/Include/Library/RPiMem.h
> > > b/Platform/RaspberryPi/Include/Library/RPiMem.h
> > > new file mode 100644
> > > index 000000000000..0bfc697ed094
> > > --- /dev/null
> > > +++ b/Platform/RaspberryPi/Include/Library/RPiMem.h
> > > @@ -0,0 +1,26 @@
> > > +/** @file
> > > + *
> > > + * Copyright (c) 2019, Pete Batard <p...@akeo.ie>
> > > + *
> > > + * SPDX-License-Identifier: BSD-2-Clause-Patent
> > > + *
> > > + **/
> > > +
> > > +#ifndef __RPI_MEM_H__
> > > +#define __RPI_MEM_H__
> >
> > As mentioned for earlier patch, please drop leading __.
>
> Will do. I assume this applies to trailing __ as well.
Thanks!
Amusingly not.
There are some toolchains that complain about leading __, but none I
am aware of that complain about trailing ones. I think they may even
be mandated by the coding style :)
/
Leif
>
> > > +
> > > +#define RPI_MEM_BASIC_REGION 0
> > > +#define RPI_MEM_RUNTIME_REGION 1
> > > +#define RPI_MEM_RESERVED_REGION 2
> > > +
> > > +typedef struct {
> > > + CONST CHAR16* Name;
> > > + UINTN Type;
> > > +} RPI_MEMORY_REGION_INFO;
> > > +
> > > +VOID
> > > +RpiPlatformGetVirtualMemoryInfo (
> > > + IN RPI_MEMORY_REGION_INFO** MemoryInfo
> > > + );
> > > +
> > > +#endif /* __RPI_MEM_H__ */
> > > diff --git
> > > a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
> > > b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
> > > index 60cf397f8baa..3a0f7e19e993 100644
> > > --- a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
> > > +++ b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
> > > @@ -15,8 +15,7 @@
> > > #include <Library/HobLib.h>
> > > #include <Library/MemoryAllocationLib.h>
> > > #include <Library/PcdLib.h>
> > > -
> > > -extern UINT64 mSystemMemoryEnd;
> > > +#include <Library/RPiMem.h>
> > > VOID
> > > BuildMemoryTypeInformationHob (
> > > @@ -39,23 +38,32 @@ InitMmu (
> > > }
> > > }
> > > +STATIC
> > > +VOID
> > > +AddBasicMemoryRegion (
> > > + IN ARM_MEMORY_REGION_DESCRIPTOR *Desc
> > > +)
> > > +{
> > > + BuildResourceDescriptorHob (
> > > + EFI_RESOURCE_SYSTEM_MEMORY,
> > > + 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,
> > > + Desc->PhysicalBase,
> > > + Desc->Length
> > > + );
> > > +}
> > > +
> > > STATIC
> > > VOID
> > > AddRuntimeServicesRegion (
> > > IN ARM_MEMORY_REGION_DESCRIPTOR *Desc
> > > )
> > > {
> > > - BuildResourceDescriptorHob (
> > > - EFI_RESOURCE_SYSTEM_MEMORY,
> > > - 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,
> > > - Desc->PhysicalBase,
> > > - Desc->Length
> > > - );
> > > + AddBasicMemoryRegion (Desc);
> > > BuildMemoryAllocationHob (
> > > Desc->PhysicalBase,
> > > @@ -70,17 +78,7 @@ AddReservedMemoryRegion (
> > > IN ARM_MEMORY_REGION_DESCRIPTOR *Desc
> > > )
> > > {
> > > - BuildResourceDescriptorHob (
> > > - EFI_RESOURCE_SYSTEM_MEMORY,
> > > - 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,
> > > - Desc->PhysicalBase,
> > > - Desc->Length
> > > - );
> > > + AddBasicMemoryRegion (Desc);
> > > BuildMemoryAllocationHob (
> > > Desc->PhysicalBase,
> > > @@ -89,6 +87,12 @@ AddReservedMemoryRegion (
> > > );
> > > }
> > > +void (*AddRegion[]) (IN ARM_MEMORY_REGION_DESCRIPTOR *Desc) = {
> > > + AddBasicMemoryRegion,
> > > + AddRuntimeServicesRegion,
> > > + AddReservedMemoryRegion,
> > > + };
> > > +
> > > /*++
> > > Routine Description:
> > > @@ -113,36 +117,28 @@ MemoryPeim (
> > > )
> > > {
> > > ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;
> > > + RPI_MEMORY_REGION_INFO *MemoryInfo;
> > > + UINTN Index;
> > > // Get Virtual Memory Map from the Platform Library
> > > ArmPlatformGetVirtualMemoryMap (&MemoryTable);
> > > - // Ensure PcdSystemMemorySize has been set
> > > - ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
> > > + // Get additional info not provided by MemoryTable
> > > + RpiPlatformGetVirtualMemoryInfo (&MemoryInfo);
> > > - // FD without variable store
> > > - AddReservedMemoryRegion (&MemoryTable[0]);
> > > -
> > > - // Variable store.
> > > - AddRuntimeServicesRegion (&MemoryTable[1]);
> > > -
> > > - // Trusted Firmware region
> > > - AddReservedMemoryRegion (&MemoryTable[2]);
> > > -
> > > - // Usable memory.
> > > - BuildResourceDescriptorHob (
> > > - EFI_RESOURCE_SYSTEM_MEMORY,
> > > - 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,
> > > - MemoryTable[3].PhysicalBase,
> > > - MemoryTable[3].Length
> > > - );
> > > -
> > > - AddReservedMemoryRegion (&MemoryTable[4]);
> > > + // Register each memory region
> > > + for (Index = 0; MemoryTable[Index].Length != 0; Index++) {
> > > + ASSERT (MemoryInfo[Index].Type < ARRAY_SIZE (AddRegion));
> > > + DEBUG ((DEBUG_INFO, "%s:\n"
> > > + "\tPhysicalBase: 0x%lX\n"
> > > + "\tVirtualBase: 0x%lX\n"
> > > + "\tLength: 0x%lX\n",
> > > + MemoryInfo[Index].Name,
> > > + MemoryTable[Index].PhysicalBase,
> > > + MemoryTable[Index].VirtualBase,
> > > + MemoryTable[Index].Length));
> > > + AddRegion[MemoryInfo[Index].Type] (&MemoryTable[Index]);
> > > + }
> > > // Build Memory Allocation Hob
> > > InitMmu (MemoryTable);
> > > diff --git
> > > a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.inf
> > > b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.inf
> > > index 0084c010936d..d39210c7a4f1 100644
> > > --- a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.inf
> > > +++ b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.inf
> > > @@ -24,6 +24,7 @@ [Packages]
> > > EmbeddedPkg/EmbeddedPkg.dec
> > > ArmPkg/ArmPkg.dec
> > > ArmPlatformPkg/ArmPlatformPkg.dec
> > > + Platform/RaspberryPi/RaspberryPi.dec
> > > [LibraryClasses]
> > > DebugLib
> > > diff --git a/Platform/RaspberryPi/Library/PlatformLib/PlatformLib.inf
> > > b/Platform/RaspberryPi/Library/PlatformLib/PlatformLib.inf
> > > index 85462febdd8d..c0e2a75451c3 100644
> > > --- a/Platform/RaspberryPi/Library/PlatformLib/PlatformLib.inf
> > > +++ b/Platform/RaspberryPi/Library/PlatformLib/PlatformLib.inf
> > > @@ -22,6 +22,7 @@ [Packages]
> > > EmbeddedPkg/EmbeddedPkg.dec
> > > ArmPkg/ArmPkg.dec
> > > ArmPlatformPkg/ArmPlatformPkg.dec
> > > + Silicon/Broadcom/Bcm27xx/Bcm27xx.dec
> > > Silicon/Broadcom/Bcm283x/Bcm283x.dec
> > > Platform/RaspberryPi/RaspberryPi.dec
> > > @@ -50,10 +51,12 @@ [FixedPcd]
> > > gEmbeddedTokenSpaceGuid.PcdDmaDeviceOffset
> > > gArmTokenSpaceGuid.PcdSystemMemoryBase
> > > gArmTokenSpaceGuid.PcdSystemMemorySize
> > > + gRaspberryPiTokenSpaceGuid.PcdExtendedMemoryBase
> > > gRaspberryPiTokenSpaceGuid.PcdNvStorageEventLogSize
> > > gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
> > > gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
> > > gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
> > > + gBcm27xxTokenSpaceGuid.PcdBcm27xxRegistersAddress
> > > gBcm283xTokenSpaceGuid.PcdBcm283xRegistersAddress
> > > [Ppis]
> > > diff --git a/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
> > > b/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
> > > index 2bfd3f020a6e..1a6a13b9591b 100644
> > > --- a/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
> > > +++ b/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
> > > @@ -1,7 +1,9 @@
> > > /** @file
> > > *
> > > + * Copyright (c) 2019, Pete Batard <p...@akeo.ie>
> > > * Copyright (c) 2017-2018, Andrey Warkentin
> > > <andrey.warken...@gmail.com>
> > > * Copyright (c) 2014, Linaro Limited. All rights reserved.
> > > + * Copyright (c) 2013-2018, ARM Limited. All rights reserved.
> >
> > This confuses me slightly - is it an indication that some code has
> > been copied from a file including this copyright?
>
> It is. I copy/pasted some code from ArmJunoMem.c that had this copyright,
> which I then proceeded to modify. Hence the reason why you find the
> copyright notice.
Sure, that's fine. Could you add a line about that in commit message
though? (Literally just "incorporates some code from ArmJunoMem.c"
would suffice.)
> >
> > > *
> > > * SPDX-License-Identifier: BSD-2-Clause-Patent
> > > *
> > > @@ -9,8 +11,11 @@
> > > #include <Library/ArmPlatformLib.h>
> > > #include <Library/DebugLib.h>
> > > -#include <IndustryStandard/Bcm2836.h>
> > > #include <Library/PcdLib.h>
> > > +#include <Library/RPiMem.h>
> > > +#include <Library/MemoryAllocationLib.h>
> >
> > Could you move MemoryAllocationLib.h above PcdLib.h?
>
> Will do.
>
> I will also take into account comments for the other patches wrt to
> alphabetical order for the PCDs as well as the additional comment for x1 in
> the assembly before submitting a v2.
Thanks!
/
LEif
> Regards,
>
> /Pete
>
> >
> > /
> > Leif
> >
> > > +#include <IndustryStandard/Bcm2711.h>
> > > +#include <IndustryStandard/Bcm2836.h>
> > > UINT64 mSystemMemoryBase;
> > > extern UINT64 mSystemMemoryEnd;
> > > @@ -18,6 +23,13 @@ UINT64 mVideoCoreBase;
> > > UINT64 mVideoCoreSize;
> > > UINT32 mBoardRevision;
> > > +
> > > +// The total number of descriptors, including the final "end-of-table"
> > > descriptor.
> > > +#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 10
> > > +
> > > +STATIC BOOLEAN VirtualMemoryInfoInitialized = FALSE;
> > > +STATIC RPI_MEMORY_REGION_INFO
> > > VirtualMemoryInfo[MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS];
> > > +
> > > #define VariablesSize (FixedPcdGet32(PcdFlashNvStorageVariableSize) +
> > > \
> > > FixedPcdGet32(PcdFlashNvStorageFtwWorkingSize) +
> > > \
> > > FixedPcdGet32(PcdFlashNvStorageFtwSpareSize) + \
> > > @@ -29,49 +41,6 @@ UINT32 mBoardRevision;
> > > #define ATFBase (FixedPcdGet64(PcdFdBaseAddress) +
> > > FixedPcdGet32(PcdFdSize))
> > > -STATIC ARM_MEMORY_REGION_DESCRIPTOR RaspberryPiMemoryRegionDescriptor[]
> > > = {
> > > - {
> > > - /* Firmware Volume. */
> > > - FixedPcdGet64 (PcdFdBaseAddress), FixedPcdGet64 (PcdFdBaseAddress),
> > > - FixedPcdGet32 (PcdFdSize) - VariablesSize,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
> > > - },
> > > - {
> > > - /* Variables Volume. */
> > > - VariablesBase, VariablesBase,
> > > - VariablesSize,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
> > > - },
> > > - {
> > > - /* ATF reserved RAM. */
> > > - ATFBase, ATFBase,
> > > - FixedPcdGet64 (PcdSystemMemoryBase) - ATFBase,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
> > > - },
> > > - {
> > > - /* System RAM. */
> > > - FixedPcdGet64 (PcdSystemMemoryBase), FixedPcdGet64
> > > (PcdSystemMemoryBase),
> > > - 0,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
> > > - },
> > > - {
> > > - /* Reserved GPU RAM. */
> > > - 0,
> > > - 0,
> > > - 0,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_DEVICE
> > > - },
> > > - {
> > > - /* SOC registers. */
> > > - BCM2836_SOC_REGISTERS,
> > > - BCM2836_SOC_REGISTERS,
> > > - BCM2836_SOC_REGISTER_LENGTH,
> > > - ARM_MEMORY_REGION_ATTRIBUTE_DEVICE
> > > - },
> > > - {
> > > - }
> > > -};
> > > -
> > > /**
> > > Return the Virtual Memory Map of your platform
> > > @@ -89,6 +58,11 @@ ArmPlatformGetVirtualMemoryMap (
> > > IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap
> > > )
> > > {
> > > + UINTN Index = 0;
> > > + UINTN GpuIndex;
> > > + INT64 ExtendedMemorySize;
> > > + ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
> > > +
> > > // Early output of the info we got from VideoCore can prove valuable.
> > > DEBUG ((DEBUG_INFO, "Board Rev: 0x%lX\n", mBoardRevision));
> > > DEBUG ((DEBUG_INFO, "Base RAM : 0x%ll08X (Size 0x%ll08X)\n",
> > > mSystemMemoryBase, mSystemMemoryEnd + 1));
> > > @@ -97,68 +71,120 @@ ArmPlatformGetVirtualMemoryMap (
> > > ASSERT (mSystemMemoryBase == 0);
> > > ASSERT (VirtualMemoryMap != NULL);
> > > - RaspberryPiMemoryRegionDescriptor[3].Length = mSystemMemoryEnd + 1 -
> > > - FixedPcdGet64 (PcdSystemMemoryBase);
> > > -
> > > - RaspberryPiMemoryRegionDescriptor[4].PhysicalBase =
> > > - RaspberryPiMemoryRegionDescriptor[3].PhysicalBase +
> > > - RaspberryPiMemoryRegionDescriptor[3].Length;
> > > -
> > > - RaspberryPiMemoryRegionDescriptor[4].VirtualBase =
> > > - RaspberryPiMemoryRegionDescriptor[4].PhysicalBase;
> > > -
> > > - RaspberryPiMemoryRegionDescriptor[4].Length =
> > > - RaspberryPiMemoryRegionDescriptor[5].PhysicalBase -
> > > - RaspberryPiMemoryRegionDescriptor[4].PhysicalBase;
> > > -
> > > - DEBUG ((DEBUG_INFO, "FD:\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[0].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[0].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[0].Length +
> > > - RaspberryPiMemoryRegionDescriptor[1].Length));
> > > -
> > > - DEBUG ((DEBUG_INFO, "Variables (part of FD):\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[1].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[1].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[1].Length));
> > > -
> > > - DEBUG ((DEBUG_INFO, "ATF RAM:\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[2].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[2].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[2].Length));
> > > -
> > > - DEBUG ((DEBUG_INFO, "System RAM:\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[3].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[3].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[3].Length));
> > > -
> > > - DEBUG ((DEBUG_INFO, "GPU Reserved:\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[4].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[4].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[4].Length));
> > > -
> > > - DEBUG ((DEBUG_INFO, "SoC reserved:\n"
> > > - "\tPhysicalBase: 0x%lX\n"
> > > - "\tVirtualBase: 0x%lX\n"
> > > - "\tLength: 0x%lX\n",
> > > - RaspberryPiMemoryRegionDescriptor[5].PhysicalBase,
> > > - RaspberryPiMemoryRegionDescriptor[5].VirtualBase,
> > > - RaspberryPiMemoryRegionDescriptor[5].Length));
> > > -
> > > - *VirtualMemoryMap = RaspberryPiMemoryRegionDescriptor;
> > > + VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages
> > > + (EFI_SIZE_TO_PAGES (sizeof
> > > (ARM_MEMORY_REGION_DESCRIPTOR) *
> > > + MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS));
> > > + if (VirtualMemoryTable == NULL) {
> > > + return;
> > > + }
> > > +
> > > +
> > > + // Firmware Volume
> > > + VirtualMemoryTable[Index].PhysicalBase = FixedPcdGet64
> > > (PcdFdBaseAddress);
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdFdSize)
> > > - VariablesSize;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RESERVED_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"FD";
> > > +
> > > + // Variable Volume
> > > + VirtualMemoryTable[Index].PhysicalBase = VariablesBase;
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = VariablesSize;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RUNTIME_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"FD Variables";
> > > +
> > > + // TF-A reserved RAM
> > > + VirtualMemoryTable[Index].PhysicalBase = ATFBase;
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = FixedPcdGet64
> > > (PcdSystemMemoryBase) - ATFBase;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RESERVED_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"TF-A RAM";
> > > +
> > > + // Base System RAM
> > > + VirtualMemoryTable[Index].PhysicalBase = FixedPcdGet64
> > > (PcdSystemMemoryBase);
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = mSystemMemoryEnd + 1 -
> > > FixedPcdGet64 (PcdSystemMemoryBase);
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_BASIC_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"Base System RAM";
> > > +
> > > + // GPU Reserved
> > > + GpuIndex = Index;
> > > + VirtualMemoryTable[Index].PhysicalBase = mVideoCoreBase;
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = mVideoCoreSize;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RESERVED_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"GPU Reserved";
> > > +
> > > + // Compute the amount of extended RAM available on this platform
> > > + ExtendedMemorySize = SIZE_256MB;
> > > + ExtendedMemorySize <<= (mBoardRevision >> 20) & 0x07;
> > > + ExtendedMemorySize -= SIZE_1GB;
> > > + if (ExtendedMemorySize > 0) {
> > > + VirtualMemoryTable[Index].PhysicalBase = FixedPcdGet64
> > > (PcdExtendedMemoryBase);
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length = ExtendedMemorySize;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_BASIC_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"Extended System RAM";
> > > + }
> > > +
> > > + // Extended SoC registers (PCIe, genet, ...)
> > > + if (BCM2711_SOC_REGISTERS > 0) {
> > > + VirtualMemoryTable[Index].PhysicalBase = BCM2711_SOC_REGISTERS;
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length =
> > > BCM2711_SOC_REGISTER_LENGTH;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RESERVED_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"SoC Reserved (27xx)";
> > > + }
> > > +
> > > + // Base SoC registers
> > > + VirtualMemoryTable[Index].PhysicalBase = BCM2836_SOC_REGISTERS;
> > > + // On the Pi 3 the SoC registers may overlap VideoCore => fix this
> > > + if (VirtualMemoryTable[GpuIndex].PhysicalBase +
> > > VirtualMemoryTable[GpuIndex].Length >
> > > VirtualMemoryTable[Index].PhysicalBase) {
> > > + VirtualMemoryTable[GpuIndex].Length =
> > > VirtualMemoryTable[Index].PhysicalBase -
> > > VirtualMemoryTable[GpuIndex].PhysicalBase;
> > > + }
> > > + VirtualMemoryTable[Index].VirtualBase =
> > > VirtualMemoryTable[Index].PhysicalBase;
> > > + VirtualMemoryTable[Index].Length =
> > > BCM2836_SOC_REGISTER_LENGTH;
> > > + VirtualMemoryTable[Index].Attributes =
> > > ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
> > > + VirtualMemoryInfo[Index].Type = RPI_MEM_RESERVED_REGION;
> > > + VirtualMemoryInfo[Index++].Name = L"SoC Reserved (283x)";
> > > +
> > > + // 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 <= MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);
> > > +
> > > + *VirtualMemoryMap = VirtualMemoryTable;
> > > + VirtualMemoryInfoInitialized = TRUE;
> > > +}
> > > +
> > > +/**
> > > + Return additional memory info not populated by the above call.
> > > +
> > > + This call should follow the one to ArmPlatformGetVirtualMemoryMap ().
> > > +
> > > +**/
> > > +VOID
> > > +RpiPlatformGetVirtualMemoryInfo (
> > > + IN RPI_MEMORY_REGION_INFO** MemoryInfo
> > > + )
> > > +{
> > > + ASSERT (VirtualMemoryInfo != NULL);
> > > +
> > > + if (!VirtualMemoryInfoInitialized) {
> > > + DEBUG ((DEBUG_ERROR,
> > > + "ArmPlatformGetVirtualMemoryMap must be called before
> > > RpiPlatformGetVirtualMemoryInfo.\n"));
> > > + return;
> > > + }
> > > +
> > > + *MemoryInfo = VirtualMemoryInfo;
> > > }
> > > diff --git a/Platform/RaspberryPi/RaspberryPi.dec
> > > b/Platform/RaspberryPi/RaspberryPi.dec
> > > index 3e9171eccb13..c7e17350544a 100644
> > > --- a/Platform/RaspberryPi/RaspberryPi.dec
> > > +++ b/Platform/RaspberryPi/RaspberryPi.dec
> > > @@ -42,6 +42,7 @@ [PcdsFixedAtBuild.common]
> > >
> > > gRaspberryPiTokenSpaceGuid.PcdNvStorageVariableBase|0x0|UINT32|0x00000005
> > >
> > > gRaspberryPiTokenSpaceGuid.PcdNvStorageFtwSpareBase|0x0|UINT32|0x00000006
> > >
> > > gRaspberryPiTokenSpaceGuid.PcdNvStorageFtwWorkingBase|0x0|UINT32|0x00000007
> > > + gRaspberryPiTokenSpaceGuid.PcdExtendedMemoryBase|0x0|UINT32|0x00000008
> > > [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
> > > gRaspberryPiTokenSpaceGuid.PcdCpuClock|0|UINT32|0x0000000d
> > > --
> > > 2.21.0.windows.1
> > >
>
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#50844): https://edk2.groups.io/g/devel/message/50844
Mute This Topic: https://groups.io/mt/57792636/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
