diff options
| -rw-r--r-- | ArmPlatformPkg/ArmPlatformPkg.dec | 3 | ||||
| -rw-r--r-- | ArmPlatformPkg/Library/HdLcd/HdLcd.c | 11 | ||||
| -rw-r--r-- | ArmPlatformPkg/Library/HdLcd/HdLcd.inf | 4 |
3 files changed, 16 insertions, 2 deletions
diff --git a/ArmPlatformPkg/ArmPlatformPkg.dec b/ArmPlatformPkg/ArmPlatformPkg.dec index 99ca4e1822..372cf2dc09 100644 --- a/ArmPlatformPkg/ArmPlatformPkg.dec +++ b/ArmPlatformPkg/ArmPlatformPkg.dec @@ -100,6 +100,9 @@ # Default is set to UEFI console font format PixelBlueGreenRedReserved8BitPerColor
gArmPlatformTokenSpaceGuid.PcdGopPixelFormat|0x00000001|UINT32|0x00000040
+ ## If set, this will swap settings for HDLCD RED_SELECT and BLUE_SELECT registers
+ gArmPlatformTokenSpaceGuid.PcdArmHdLcdSwapBlueRedSelect|FALSE|BOOLEAN|0x00000045
+
[PcdsFixedAtBuild.common,PcdsDynamic.common]
## PL031 RealTimeClock
gArmPlatformTokenSpaceGuid.PcdPL031RtcBase|0x0|UINT32|0x00000024
diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.c b/ArmPlatformPkg/Library/HdLcd/HdLcd.c index 96f2bf437f..5396dde3ba 100644 --- a/ArmPlatformPkg/Library/HdLcd/HdLcd.c +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.c @@ -73,6 +73,8 @@ LcdSetMode ( SCAN_TIMINGS *Horizontal;
SCAN_TIMINGS *Vertical;
+ EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION ModeInfo;
// Set the video mode timings and other relevant information
@@ -96,7 +98,14 @@ LcdSetMode ( return Status;
}
- if (ModeInfo.PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
+ // By default PcdArmHdLcdSwapBlueRedSelect is set to false
+ // However on the Juno platform HW lines for BLUE and RED are swapped
+ // Therefore PcdArmHdLcdSwapBlueRedSelect is set to TRUE for the Juno platform
+ PixelFormat = FixedPcdGetBool (PcdArmHdLcdSwapBlueRedSelect)
+ ? PixelRedGreenBlueReserved8BitPerColor
+ : PixelBlueGreenRedReserved8BitPerColor;
+
+ if (ModeInfo.PixelFormat == PixelFormat) {
MmioWrite32 (HDLCD_REG_RED_SELECT, (8 << 8) | 16);
MmioWrite32 (HDLCD_REG_BLUE_SELECT, (8 << 8) | 0);
} else {
diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.inf b/ArmPlatformPkg/Library/HdLcd/HdLcd.inf index 67aad05d21..7f2ba7bf1c 100644 --- a/ArmPlatformPkg/Library/HdLcd/HdLcd.inf +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.inf @@ -2,7 +2,7 @@ #
# Component description file for HDLCD module
#
-# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
+# Copyright (c) 2011-2018, ARM Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -40,3 +40,5 @@ [FixedPcd]
gArmPlatformTokenSpaceGuid.PcdArmHdLcdBase
+ gArmPlatformTokenSpaceGuid.PcdArmHdLcdSwapBlueRedSelect
+
|