From: sahil <sa...@arm.com>
This patch series adds the following changes:
1. Splits the NorFlashDxe driver to introduce a NorFlashDeviceLib that
implements the specifics for the respective flash. This will allow us
to plug different libraries implementing functionality of various NOR
Flash. The flash specific code in NorFlashDxe has been moved to
P30NorFlashDeviceLib library.
2. Adds support for CadenceQspiNorFlashDeviceLib which is used by N1Sdp
platform along with NorFlashDxe driver. N1Sdp uses an emulated variable
storage on DDR memory for the variable storage. But this emulated
variable storage is a volatile memory and so the values of variables
can't persist on next reboot or in power cycle. In N1Sdp platform, the
SoC is connected to IOFPGA which has a Cadence Quad SPI (QSPI)
controller. This QSPI controller manages the flash chip device via QSPI
bus. With these changes we use this NOR flash device for persistent
variable storage.
v2:
- Fixed code review comments
- Split the NorFlashDxe driver and moved flash specific code to
P30NorFlashDeviceLib
- Added NOR flash Dxe Driver for N1Sdp as a library instead of a
driver
Links to v1:
https://edk2.groups.io/g/devel/topic/102625035
https://edk2.groups.io/g/devel/topic/102625033
https://edk2.groups.io/g/devel/topic/102625034
https://edk2.groups.io/g/devel/topic/102625036
https://edk2.groups.io/g/devel/topic/102625037
https://edk2.groups.io/g/devel/topic/102625038
Link to branch with the patches in this series -
https://github.com/sah01Kaushal/edk2-platforms/tree/n1sdp_persistent_storage_v2
sahil (14):
Platform/ARM/NorFlashDxe: Move DiskIo related functions out of
NorFlash.c
Platform/ARM/NorFlashDxe: Move NorFlashVirtualNotifyEvent
Platform/ARM/NorFlashDxe: Add NorFlashCommon.h header file
Platform/ARM/NorFlashDxe: Move flash specific functions to NorFlash.c
Platform/ARM: Create NorFlashDeviceLib library interface for flash
specific functions
Platform/ARM: Add P30NorFlashDeviceLib Library
Platform/ARM/NorFlashDxe: Switch from NorFlash.c to NorFlashDeviceLib
Platform/ARM: Add HostRegisterBaseAddress variable
Platform/ARM: Add optional provision to fetch and print NOR Flash info
Silicon/ARM/NeoverseN1Soc: Enable SCP QSPI flash region
Silicon/ARM/NeoverseN1Soc: NOR flash library for N1Sdp
Platform/ARM: Add CadenceQspiNorFlashDeviceLib for NorFlashDxe
Platform/ARM/N1Sdp: Persistent storage for N1Sdp
Platform/ARM/N1Sdp: Enable FaultTolerantWrite Dxe driver for N1Sdp
Platform/ARM/ARM.dec
| 4 +
Platform/ARM/SgiPkg/SgiPlatform.dsc.inc
| 3 +
Platform/ARM/SgiPkg/SgiPlatformMm.dsc.inc
| 3 +
Platform/ARM/VExpressPkg/ArmVExpress.dsc.inc
| 3 +
Platform/ARM/JunoPkg/ArmJuno.dsc
| 3 +
Platform/ARM/N1Sdp/N1SdpPlatform.dsc
| 24 +-
Platform/ARM/VExpressPkg/PlatformStandaloneMm.dsc
| 3 +
Platform/ARM/N1Sdp/N1SdpPlatform.fdf
| 3 +
Platform/ARM/Drivers/NorFlashDxe/NorFlashDxe.inf
| 8 +-
Platform/ARM/Drivers/NorFlashDxe/NorFlashStandaloneMm.inf
| 8 +-
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.inf
| 32 +
Platform/ARM/Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.inf
| 35 +
Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf
| 34 +
Platform/ARM/Drivers/NorFlashDxe/NorFlash.h
| 422 --------
Platform/ARM/Drivers/NorFlashDxe/NorFlashCommon.h
| 209 ++++
Platform/ARM/Include/Library/NorFlashDeviceLib.h
| 163 ++++
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.h
| 44 +
Platform/ARM/Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.h
| 98 ++
Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
| 7 +
Platform/ARM/Drivers/NorFlashDxe/NorFlashBlockIoDxe.c
| 131 ++-
Platform/ARM/Drivers/NorFlashDxe/NorFlashDxe.c
| 292 +++---
Platform/ARM/Drivers/NorFlashDxe/NorFlashFvb.c
| 2 +-
Platform/ARM/Drivers/NorFlashDxe/NorFlashStandaloneMm.c
| 184 ++--
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.c
| 1011 ++++++++++++++++++++
Platform/ARM/{Drivers/NorFlashDxe/NorFlash.c =>
Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.c} | 330 +++----
Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c
| 65 ++
Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
| 8 +-
27 files changed, 2225 insertions(+), 904 deletions(-)
create mode 100644
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.inf
create mode 100644
Platform/ARM/Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.inf
create mode 100644
Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf
delete mode 100644 Platform/ARM/Drivers/NorFlashDxe/NorFlash.h
create mode 100644 Platform/ARM/Drivers/NorFlashDxe/NorFlashCommon.h
create mode 100644 Platform/ARM/Include/Library/NorFlashDeviceLib.h
create mode 100644
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.h
create mode 100644
Platform/ARM/Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.h
create mode 100644
Platform/ARM/Library/CadenceQspiNorFlashDeviceLib/CadenceQspiNorFlashDeviceLib.c
rename Platform/ARM/{Drivers/NorFlashDxe/NorFlash.c =>
Library/P30NorFlashDeviceLib/P30NorFlashDeviceLib.c} (77%)
create mode 100644 Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c
--
2.25.1
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