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ArmPlatformPkg/LcdGraphicsOutputDxe: check PrimeCell ID before initializing

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To deal gracefully with the absence of the PL111 hardware on
the Foundation model, check the PrimeCell ID before proceeding
with the installation.

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@18308 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel
2015-08-25 13:11:11 +00:00
committed by abiesheuvel
parent 300fc77a8a
commit 9dc94d9891
4 changed files with 37 additions and 1 deletions
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9
ArmPlatformPkg/Include/Drivers/PL111Lcd.h
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@@ -47,6 +47,15 @@
#define PL111_REG_CLCD_P_CELL_ID_2 ((UINTN)PcdGet32 (PcdPL111LcdBase) + 0xFF8)
#define PL111_REG_CLCD_P_CELL_ID_3 ((UINTN)PcdGet32 (PcdPL111LcdBase) + 0xFFC)
#define PL111_CLCD_PERIPH_ID_0 0x11
#define PL111_CLCD_PERIPH_ID_1 0x11
#define PL111_CLCD_PERIPH_ID_2 0x04
#define PL111_CLCD_PERIPH_ID_3 0x00
#define PL111_CLCD_P_CELL_ID_0 0x0D
#define PL111_CLCD_P_CELL_ID_1 0xF0
#define PL111_CLCD_P_CELL_ID_2 0x05
#define PL111_CLCD_P_CELL_ID_3 0xB1
/**********************************************************************/
// Register components (register bits)