diff options
| author | Marcello Sylvester Bauer <marcello.bauer@9elements.com> | 2020-07-22 10:55:27 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-09-16 06:36:18 +0000 |
| commit | 5c065855284bd0ca65784d313e094054e23685bb (patch) | |
| tree | 5e3614e6ab6bb719dceb4b08b236a11f235c6f22 /MdePkg/Include/Library | |
| parent | 28d7eea97e80f76b7e4978298e86ef924bdd394b (diff) | |
| download | edk2-5c065855284bd0ca65784d313e094054e23685bb.tar.gz edk2-5c065855284bd0ca65784d313e094054e23685bb.tar.bz2 edk2-5c065855284bd0ca65784d313e094054e23685bb.zip | |
MdePkg: PciExpressLib support variable size MMCONF
Add support for arbitrary sized MMCONF by introducing a new PCD.
Add a return value to point out invalid PCI addresses.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Marcello Sylvester Bauer <marcello.bauer@9elements.com>
Cc: Patrick Rudolph <patrick.rudolph@9elements.com>
Cc: Christian Walter <christian.walter@9elements.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'MdePkg/Include/Library')
| -rw-r--r-- | MdePkg/Include/Library/PciExpressLib.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/MdePkg/Include/Library/PciExpressLib.h b/MdePkg/Include/Library/PciExpressLib.h index 826fdcf7db..d78193a0a3 100644 --- a/MdePkg/Include/Library/PciExpressLib.h +++ b/MdePkg/Include/Library/PciExpressLib.h @@ -2,8 +2,9 @@ Provides services to access PCI Configuration Space using the MMIO PCI Express window.
This library is identical to the PCI Library, except the access method for performing PCI
- configuration cycles must be through the 256 MB PCI Express MMIO window whose base address
- is defined by PcdPciExpressBaseAddress.
+ configuration cycles must be through the PCI Express MMIO window whose base address
+ is defined by PcdPciExpressBaseAddress and size defined by PcdPciExpressBaseSize.
+
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
|