Commit Graph

250 Commits

Author SHA1 Message Date
Ard Biesheuvel 779cc439e8 EmbeddedPkg: add DT platform driver to select between DT and ACPI
As a follow up to the changes proposed by Laszlo to make ACPI and DT
mutually exclusive on ArmVirtQemu, this patch proposes a DT platform
DXE driver that either installs the NULL protocol PlatformHasAcpiGuid,
or installs the FV embedded DTB binary as a configuration table under
the appropriate GUID, depending on a preference setting recorded as
a UEFI variable, and configurable via a HII screen.

The DTB binary can be embedded in the firmware image by adding the
following to the platform .fdf file:

  FILE FREEFORM = 25462CDA-221F-47DF-AC1D-259CFAA4E326 {
    SECTION RAW = SomePkg/path/to/foo.dtb
  }

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2017-03-28 18:58:15 +01:00
Laszlo Ersek 65a69b2148 EmbeddedPkg: introduce EDKII Platform Has Device Tree GUID
The presence of this GUID in the PPI database, and/or in the DXE protocol
database (as dictated by the platform's needs in these firmware phases)
implies that the platform provides the operating system with a Device
Tree-based hardware description. This is not necessarily exclusive with
other types of hardware description (for example, an ACPI-based one).

A platform PEIM and/or DXE driver is supposed to produce a single instance
of the PPI and/or protocol (with NULL contents), if appropriate. The
decision to produce the PPI and/or protocol is platform specific; for
example, in the DXE phase, it could depend on an HII checkbox / underlying
non-volatile UEFI variable.

In the DXE phase, the protocol is meant to be consumed by the platform
driver that
- owns the Device Tree description of the hardware, and
- is responsible for installing it as a system configuration table.

Said FDT-owner driver can wait for the protocol via DEPEX or protocol
notify.

Because this GUID is not standard, it is prefixed with EDKII / Edkii, as
seen elsewhere (for example in MdeModulePkg and SecurityPkg).

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2017-03-28 14:10:46 +02:00
Laszlo Ersek 786f476323 EmbeddedPkg: introduce PlatformHasAcpiLib
Add the shorter-term library instance outlined in the previous patch to
EmbeddedPkg, so that we can imbue AcpiTableDxe with a protocol dependency
on EDKII_PLATFORM_HAS_ACPI_GUID.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2017-03-28 14:07:38 +02:00
Laszlo Ersek 05db0948cc EmbeddedPkg: introduce EDKII Platform Has ACPI GUID
The presence of this GUID in the PPI database, and/or in the DXE protocol
database (as dictated by the platform's needs in these firmware phases)
implies that the platform provides the operating system with an ACPI-based
hardware description. This is not necessarily exclusive with other types
of hardware description (for example, a Device Tree-based one).

A platform PEIM and/or DXE driver is supposed to produce a single instance
of the PPI and/or protocol (with NULL contents), if appropriate. The
decision to produce the PPI and/or protocol is platform specific; for
example, in the DXE phase, it could depend on an HII checkbox / underlying
non-volatile UEFI variable.

In the DXE phase, the protocol is meant to be depended-upon by
"MdeModulePkg/Universal/Acpi/AcpiTableDxe", indirectly:

* In the long term, interested platforms will establish this dependency by
  hooking an (upcoming) NULL-class DepexLib instance into AcpiTableDxe in
  their DSC files, pointing DepexLib's DEPEX through a FixedAtBuild PCD to
  the GUID introduced here. (For the prerequisite BaseTools feature, refer
  to <https://bugzilla.tianocore.org/show_bug.cgi?id=443>).

* In the short term, an interested platform may hook a private NULL-class
  library instance (called e.g. "PlatformHasAcpiLib") into AcpiTableDxe.
  Such a library instance would be a specialization of the above described
  generic DepexLib, with the DEPEX open-coded on the GUID introduced here.

Either way, the platform makes EFI_ACPI_TABLE_PROTOCOL and (if enabled)
EFI_ACPI_SDT_PROTOCOL dependent on the platform's dynamic decision to
produce or not to produce a NULL protocol instance with this GUID.

In turn, other (platform and universal) DXE drivers that produce ACPI
tables will wait for EFI_ACPI_TABLE_PROTOCOL / EFI_ACPI_SDT_PROTOCOL, via
DEPEX, protocol notify, or a simple gBS->LocateProtocol() in a "late
enough" callback (such as Ready To Boot).

Because this GUID is not standard, it is prefixed with EDKII / Edkii, as
seen elsewhere in MdeModulePkg and SecurityPkg. In addition, an effort is
made to avoid the phrase "AcpiPlatform", as that belongs to drivers /
libraries that produce platform specific ACPI content (as opposed to
deciding whether the entire firmware will have access to
EFI_ACPI_TABLE_PROTOCOL, or any similar facilities in the PEI phase).

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2017-03-28 13:56:25 +02:00
Ard Biesheuvel 6ac97ad31e EmbeddedPkg/PrePiLib: allocate code pages for DxeCore
The recently introduced memory protection features inadvertently broke
the boot on all PrePi platforms, because the changes to explicitly use
EfiBootServicesCode for loading the DxeCore PE/COFF image need to be
applied in a different way for PrePi. So add a simple helper function
that sets the type of an allocation to EfiBootServicesCode, and invoke
it to allocate the space for DxeCore.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Michael Zimmermann <sigmaepsilon92@gmail.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2017-03-14 20:08:31 +00:00
Leif Lindholm 2c1cc12931 EmbeddedPkg: Remove use of IntelFrameworkModulePkg legacy libs
LzmaCustomDecompressLib and PeiDxeDebugLibReportStatusCode were copied
from IntelFrameworkModulePkg to MdeModulePkg, but the originals were
kept for compatibility.

Since the libraries are identical, move EmbeddedPkg to use the
MdeModulePkg versions instead.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-12-05 15:53:30 +00:00
Ard Biesheuvel 34e0bceabf EmbeddedPkg/AndroidFastboot: drop dependency on the LinuxLoader
When booting the kernel via Fastboot, invoke the kernel image directly
rather than passing it to the LinuxLoader app. This requires the kernel
image to be built with UEFI stub support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
2016-11-25 12:56:10 +00:00
Haojian Zhuang 339c6e905a EmbeddedPkg/MmcDxe: expand to support multiple blocks
Make use of DMA to transfer multiple blocks at one time. It could
improve the performance on MMC/SD driver.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-11-24 16:29:04 +00:00
Haojian Zhuang e06253ba80 EmbeddedPkg/MmcDxe: set I/O speed and bus width in SD stack
Add more SD commands to support 4-bit bus width & iospeed.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-11-24 16:29:03 +00:00
Haojian Zhuang 752ae80514 EmbeddedPkg/MmcDxe: invoke SetIos() protocol method to set speed and width
Add the interface to change the bus width and speed.

By default, MMC is initialized with 1-bit mode and less than 400KHz bus
clock. It causes MMC working inefficiently.

Set I/O bus width on both MMC controller and EXTCSD. Otherwise, it may
cause unmatched failure case. And support more timing mode, high speed,
HS200 & HS400 mode.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-11-24 16:29:03 +00:00
Haojian Zhuang a28b9aef67 EmbeddedPkg/Protocol/MmcHost: add new methods for I/O width and multiblock
Add new protocol methods to change the bus width, speed and check
for multiblock support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

Split off protocol changes from implementation changes.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-11-24 16:29:01 +00:00
Haojian Zhuang 653bde5462 EmbeddedPkg: MmcDxe: add SPEC_VERS field in CSD structure
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:49 +00:00
Haojian Zhuang e88fcb47c1 EmbeddedPkg: MmcDxe: declare ECSD structure
Declare fields in ECSD structure. And drop the original 128 words
arrary.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:42 +00:00
Haojian Zhuang 36bec33a99 EmbeddedPkg: MmcDxe: move ECSD into CardInfo structure
Since ECSD also describes the information of card, move it into
structure CardInfo.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:23 +00:00
Haojian Zhuang 3201075377 EmbeddedPkg: MmcDxe: wait OCR busy bit free
According to eMMC spec, OCR.PowerUp bit is also busy bit. If the busy
bit is '0', CMD1 should be sent and OCR should be fetched again. And add
a timeout counter on the repeated steps.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:08 +00:00
Ard Biesheuvel 2b18c281fe EmbeddedPkg: enable -DDISABLE_NEW_DEPRECATED_INTERFACES
Define DISABLE_NEW_DEPRECATED_INTERFACES on the compiler command line by
default, to prevent deprecated interfaces from being used in core EDK2
code.

Bug: https://bugzilla.tianocore.org/show_bug.cgi?id=164
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 15:54:00 +01:00
Ard Biesheuvel 4b335e4b76 EmbeddedPkg/MmcDxe: eliminate deprecated string function calls
Get rid of calls to unsafe string functions. These are deprecated and may
be removed in the future.

Note that this also fixes an existing issue in the code, where the buffer
may be overrun by one character when en == mLogRemainChar, in which case
the NUL terminator ends up after the end of the buffer.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 15:54:00 +01:00
Ard Biesheuvel e2dede1bc4 EmbeddedPkg/EfiFileLib: eliminate deprecated string function calls
Get rid of calls to unsafe string functions. These are deprecated and may
be removed in the future.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 15:54:00 +01:00
Ard Biesheuvel 5140a6dfb9 EmbeddedPkg/Ebl: eliminate deprecated string function calls
Get rid of calls to unsafe string functions. These are deprecated and may
be removed in the future.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 15:53:59 +01:00
Ard Biesheuvel 310908760f EmbeddedPkg/AndroidFastboot: eliminate deprecated string function calls
Get rid of calls to unsafe string functions. These are deprecated and may
be removed in the future.

Note that this also addresses a latent potential issue in HandleDownload(),
where NumBytesString[] (which comes from the wire) is assumed to contain a
string representation of a number with all the significant digits in the
first 8 bytes, which is not guaranteed by the protocol.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 13:51:45 +01:00
Ard Biesheuvel 15d8747a5f EmbeddedPkg/GdbDebugAgent: fix VOID* cast of incorrect size
The result of PcdGet64() can only be cast to VOID* on 64-bit platforms,
so add an intermediate UINTN cast to make this code build again on 32 bit.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 13:51:41 +01:00
Ard Biesheuvel ff862823b8 EmbeddedPkg: add missing modules
Add modules that live under EmbeddedPkg but were missing from the
[Components] section of the package .dsc file

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 13:51:38 +01:00
Ard Biesheuvel c3cbe35be8 EmbeddedPkg: remove unused PrePiHobListPointerLib
Remove this unused version: all existing platforms use the one under
ArmPlatformPkg instead.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 13:51:35 +01:00
Ard Biesheuvel 0fe2196f8b EmbeddedPkg/AndroidFastbootTransportTcpDxe: remove broken hostname handling
The fastboot TCP connection setup routine retrieves a hostname from a
UEFI variable 'hostname' that is scoped under a GUID gEfiHostnameVariableGuid
whose definition is missing from the code. Since the hostname is only printed
and then discarded, let's just drop the whole thing.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-28 13:51:22 +01:00
Gary Lin 4f0624e87a EmbeddedPkg: Fix typos in comments
- reseting -> resetting
- stoping -> stopping
- Libary -> Library
- paramter -> parameter
- availible -> available
- availble -> available
- proccessed -> processed

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-10-19 16:31:58 +01:00
Ruiyu Ni 5e7c289fef EmbeddedPkg/FdtPlatformDxe: Reference Shell protocols in MdePkg
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-10-19 10:26:07 +08:00
Ard Biesheuvel 4af5227cde BeagleBoardPkg EmbeddedPkg Omap35xxPkg: move to ArmBaseLib
The various ArmLib flavors are identical in practice, and a new
ArmBaseLib has been introduced that can replace all of them. So replace
all occurrences with ArmBaseLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-09-08 09:20:36 +01:00
Ard Biesheuvel f846969796 EmbeddedPkg: make PrePiMemoryAllocationLib a SEC type library
This library is only used by the various PrePi implementations, all of
which are of type SEC. So make this library SEC as well. This may affect
the build options used by the platform.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-08-03 15:45:23 +02:00
Graeme Gregory 6ff71a134f EmbeddedPkg/AcpiLib: add GICC table init macro for ACPI 6.0
ACPI 6.0 added a processor efficiency field and 3 reserved bytes at the
end of the GICC structure so add a new macro to initialise the new
field.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-07-06 10:51:38 +02:00
Michael Brown e117c894fd EmbeddedPkg/Lan9118Dxe: Do not return uninitialised TxBuff
Conform to the specification for GetStatus(), which states that "if
there are no transmit buffers to recycle and TxBuf is not NULL, *TxBuf
will be set to NULL".

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-12 10:01:17 +02:00
Ryan Harkin 6336850c91 EmbeddedPkg/Lan9118Dxe: add mask PCD to disable auto-negotiation features
Add a PCD to allow the platform to mask in/out specific features of
the LAN9118 device advertised during auto-negotiation.

For example, the Juno ARM Development Platform doesn't support full
duplex mode.  This PCD will allow the platform developer to prevent the
full duplex modes from being advertised.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>

[ardb: change default feature mask so that full duplex is disabled]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-05-11 11:39:53 +02:00
Mark Rutland 505e7fd5d0 EmbeddedPkg/Lan9118Dxe: remove redundant stalls
Now that the LAN9118-specific MMIO accessors provide the required
delays, remove the redundant stalls.

Stalls in delay loops are kept, as these give time for work to happen
beyond synchronisation of the device register file.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ryan Harkin <ryan.harkin@linaro.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-10 14:49:40 +02:00
Mark Rutland e68449c999 EmbeddedPkg/Lan9118Dxe: Use LAN9118 MMIO wrappers
Migrate the existing code to use the new LAN9118 MMIO wrappers, ensuring
that timing requirements are respected.

The newly redundant stalls will be removed in a subsequent patch.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ryan Harkin <ryan.harkin@linaro.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-10 14:49:20 +02:00
Mark Rutland 73683a2464 EmbeddedPkg/Lan9118Dxe: add LAN9118 MMIO wrappers
As described in the LAN9118 datasheet, delays are necessary after some
reads and writes in order to ensure subsequent reads do not see stale
data.

This patch adds helpers to provide these delays automatically, by
performing dummy reads of the BYTE_TEST register (as recommended in the
LAN9118 datasheet). This approach allows the device register file itself
to provide the required delay, avoiding issues with early write
acknowledgement, or re-ordering of MMIO accesses aganist other
instructions (e.g. the delay loop).

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ryan Harkin <ryan.harkin@linaro.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-10 14:48:48 +02:00
Mark Rutland 28f52b9fae Revert "EmbeddedPkg/Lan9118Dxe: use MemoryFence"
Commit a4626006bb ("EmbeddedPkg/Lan9118Dxe: use MemoryFence")
replaced some stalls with memory fences, on the presumption that these
were erroneously being used to order memory accesses. However, this was
not the case.

LAN9118 devices require a timing delay between state-changing
reads/writes and subsequent reads, as updates to the register file are
asynchronous and the effects of state-changes are not immediately
visible to subsequent reads.

This delay cannot be ensured through the use of memory barriers, which
only enforce observable ordering, and not timing. Thus, converting these
stalls to memory fences was erroneous, and may result in stale values
being read.

This reverts commit a4626006bb.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ryan Harkin <ryan.harkin@linaro.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-10 14:48:25 +02:00
Heyi Guo d354963f0d EmbeddedPkg/AcpiLib: add GICD table init macro for ACPI 6.0
Add macro to help initialize GICD structure in MADT table according
to ACPI 6.0.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-04-14 12:56:34 +02:00
Sami Mujawar d519498067 EmbeddedPkg/AcpiLib: fix SBSA Generic Watchdog helper definition
The Reserved field in the SBSA Generic Watchdog Structure is 1 byte in
length. Refer Table 5-123 in the ACPI 5.1 Specification Errata A.

The EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT() helper
macro was initializing this field as EFI_ACPI_RESERVED_WORD instead of
EFI_ACPI_RESERVED_BYTE.

Although this does not cause any functional issue; it does not comply
with the specification.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-04-01 17:04:12 +02:00
Leendert van Doorn f0bbcdf80d ArmPkg|EmbeddedPkg: make PcdCpuVectorBaseAddress 64 bits wide
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leo Duran <leo.duran@amd.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-03-25 07:17:53 +01:00
Leo Duran da6ae66641 EmbeddedPkg/RTC: use returned status at init-time
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leo Duran <leo.duran@amd.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-03-25 07:09:49 +01:00
Haojian Zhuang 78741ce91e EmbeddedPkg: enhance for multiple gpio controllers
EmbeddedGpio only supports one gpio controller in one platform. Now
create PLATFORM_GPIO_CONTROLLER to support multiple gpio controllers
in one platform.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-03-14 12:47:29 +00:00
Haojian Zhuang cb1d0668a5 EmbeddedPkg/AndroidFastboot: fix size with 64bit
Since there's percentage calcution, multiply on 32bit variable
will cause overflow. So fix the variables as 64bit.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-02-29 15:27:13 +00:00
Ryan Harkin bbff41c11f EmbeddedPkg/Lan9118Dxe: rename TimeOut to Retries
The variable TimeOut is actually a retry, not a timeout, so I renamed
the variable accordingly.

This patch makes no functional change.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-02-10 17:56:47 +01:00
Ryan Harkin c64aa7c409 EmbeddedPkg/Lan9118Dxe: minor DEBUG tidyup
This patch makes a few minor DEBUG output changes:

- Fix typo in DEBUG output: Negociation->Negotiation

- Change DEBUG occurrences of "Lan9118" to "LAN9118" to make grepping
  the log output easier.

- Change the warning that auto-negotiation is not supported when
  AutoNegotiate() returns an error.
  The function already reports if the feature is supported or not and
  can also return an error for other reasons.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-02-10 17:56:47 +01:00
Ryan Harkin b7b7fb3dec EmbeddedPkg/Lan9118Dxe: add PCD for negotiation timeout
Add a PCD for the link negotiation timeout so the platform can over-ride
the default value.

The code previously did 2000 iterations of the loop with a 2us stall, so
the code has been changed subtly to set the number of iterations equal
to the PCD value divided by the stall time.

Since the stall time has not changed, the default PCD value is set at
4000 so the original behaviour is not changed.

The problems were discovered when the ARM Juno Development Platform used
the "EFI Network" option with then LAN9118 driver.  It fails to boot the
first time and so the board drops back to Shell again:

  Warning: LAN9118 Driver in stopped state
  Link timeout in auto-negotiation.
  Lan9118: Auto Negociation not supported.
  EhcExecTransfer: transfer failed with 2
  EhcControlTransfer: error - Device Error, transfer - 2
  Buffer: EFI Hard Drive
  Booting EFI Misc Device
  Booting EFI Misc Device 1
  Booting EFI Hard Drive
  Booting EFI Network
  Warning: LAN9118 Driver not initialized
  Link timeout in auto-negotiation.
  Lan9118: Auto Negociation not supported.
  Booting EFI Internal Shell

Exiting Shell drops the user back to the Intel BDS UI.  Selecting
"Continue" then succeeds in booting from the EFI Network:

  Booting EFI Misc Device
  Booting EFI Misc Device 1
  Booting EFI Hard Drive
  Booting EFI Network
  ..MnpFreeTxBuf: Duplicated recycle report from SNP.
  MnpFreeTxBuf: Duplicated recycle report from SNP.
  [snip repeated errors]

Discussion on the edk2-devel mailing list [1] prompted Laszlo Ersek to
suggest the time taken for the NIC to negotiate was causing a problem.
He suggested the solution contained in this patch to provide a PCD
configurable by the platform.

The default PCD value does not work for Juno.  Setting the PCD to a
larger value works for Juno R0, R1 and R2.

[1] http://article.gmane.org/gmane.comp.bios.edk2.devel/7341

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-02-10 17:56:43 +01:00
Ryan Harkin a4626006bb EmbeddedPkg/Lan9118Dxe: use MemoryFence
When reviewing my LAN9118 driver PCD patch [1], Ard Biesheuvel noted
that most calls to gBS->Stall() in this driver seem to be used to
prevent timing issues between the device updating data and the host
reading the values.  And that replacing most of these calls with a
MemoryFence() would be more robust.

The only exceptions are the stalls that are enclosed inside retry loops:

 - in the AutoNegotiate() function.
   This stall is waiting for the link to negotiate, which may require
   stalling until it is ready.

 - in the Lan9118Initialize() function.
   These two stalls are waiting for devices and time out after a number
   of retries.

 - in the SoftReset() function.
   This stall is inside a loop where the comment states:
   "If time taken exceeds 100us, then there was an error condition"

In these instances, I kept the stall, but also added a MemoryFence().

[1] http://article.gmane.org/gmane.comp.bios.edk2.devel/7389

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-02-10 17:56:39 +01:00
Evan Lloyd ccca560b4f EmbeddedPkg: Rectify file modes
Problems have been encountered because some of the source files have
execute permission set.  This can cause git to report them as changed
when they are checked out onto a file system with inherited permissions.
This has been seen using Cygwin, MinGW and PowerShell Git.

This patch makes no change to source file content, and only aims to
correct the file modes/permissions.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19789 6f19259b-4bc3-4df7-8a09-765794883524
2016-02-02 11:42:51 +00:00
Jordan Justen e1ab367acf EmbeddedPkg: Convert all .uni files to utf-8
To convert these files I ran:

$ python3 BaseTools/Scripts/ConvertUni.py EmbeddedPkg

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19252 6f19259b-4bc3-4df7-8a09-765794883524
2015-12-15 04:51:40 +00:00
Ard Biesheuvel 66bcbfed29 EmbeddedPkg/AndroidFastboot: drop bogus ArmGlobalVariable dependencies
Remove the GUID references to gArmGlobalVariableGuid and includes
of ArmGlobalVariableHob.h since they are not used by the fastboot
app.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18996 6f19259b-4bc3-4df7-8a09-765794883524
2015-11-27 17:07:54 +00:00
Star Zeng 1bccab9107 EmbeddedPkg: Remove SerialDxe and SerialPortExtLib libraries
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18974 6f19259b-4bc3-4df7-8a09-765794883524
2015-11-26 08:52:58 +00:00
Thomas Palmer 50c6a4d2d4 EmbeddedPkg: Add EFIAPI to several Ebl functions
The EFIAPI function declaration is missing for several functions in the
EmbeddedPkg/Ebl directory. A few function pointer struct members expect
EFIAPI though and GCC46/X64 will fail to compile the directory without
them.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18697 6f19259b-4bc3-4df7-8a09-765794883524
2015-10-29 12:59:06 +00:00