ArmPlatformPkg/PL180MciDxe: warn on probe fail

If the PL180 fails to probe, issue a warning on debug builds.

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

diff --git a/ArmPlatformPkg/Drivers/PL180MciDxe/PL180Mci.c b/ArmPlatformPkg/Drivers/PL180MciDxe/PL180Mci.c
index 688cd8a98ced2b540ced7c4c7c7bfd5174ef86c4..3e94ea59f524ac4856c001f71ddd372984190c0c 100644 (file)
--- a/ArmPlatformPkg/Drivers/PL180MciDxe/PL180Mci.c
+++ b/ArmPlatformPkg/Drivers/PL180MciDxe/PL180Mci.c
@@ -534,6 +534,8 @@ PL180MciDxeInitialize (
       MmioRead8 (MCI_PCELL_ID_REG2)  != MCI_PCELL_ID2  ||\r
       MmioRead8 (MCI_PCELL_ID_REG3)  != MCI_PCELL_ID3) {\r
 \r
+    DEBUG ((EFI_D_WARN, "Probing ID registers at 0x%lx for a PL180"\r
+      " failed\n", MCI_PERIPH_ID_REG0));\r
     return EFI_NOT_FOUND;\r
   }\r
 \r