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MdeModulePkg: BaseSerialPortLib16550: Add Mmio32 support

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Some buses doesn't allow 8 bit MMIO read/write, this adds support for
32 bits read/write

Signed-off-by: "Tien Hock, Loh" <tien.hock.loh@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Tien Hock, Loh
2019-04-26 14:26:44 +08:00
committed by Hao Wu
parent 679906d9bd
commit 8a472b1915
3 changed files with 20 additions and 4 deletions
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3
MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.inf
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@@ -1,7 +1,7 @@
## @file
# SerialPortLib instance for 16550 UART.
#
# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -29,6 +29,7 @@
BaseSerialPortLib16550.c
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterAccessWidth ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseHardwareFlowControl ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialDetectCable ## SOMETIMES_CONSUMES