ppc4xx: Update 440EPx lwmon5 board support

[oweals/u-boot.git] / post / board / lwmon5 / ecc.c

diff --git a/post/board/lwmon5/ecc.c b/post/board/lwmon5/ecc.c
index 7f04f9abed9b4d6eec9da90565253ad31b5ce082..3fa3ba62435747b338078a2bd0bce3559386fd8d 100644 (file)
--- a/post/board/lwmon5/ecc.c
+++ b/post/board/lwmon5/ecc.c
@@ -236,7 +236,6 @@ int ecc_post_test (int flags)
        mfsdram(DDR0_00, value);
        mtsdram(DDR0_00, value | DDR0_00_INT_ACK_ALL);
 
-
        /* enable full support of ECC */
        mfsdram(DDR0_22, value);
        mtsdram(DDR0_22, (value &~ DDR0_22_CTRL_RAW_MASK)
@@ -247,6 +246,17 @@ int ecc_post_test (int flags)
                if (ret)
                        break;
        }
+
+       /* clear error status */
+       mfsdram(DDR0_00, value);
+       mtsdram(DDR0_00, value | DDR0_00_INT_ACK_ALL);
+
+       /*
+        * Clear possible errors resulting from ECC testing.
+        * If not done, then we could get an interrupt later on when
+        * exceptions are enabled.
+        */
+       set_mcsr(get_mcsr());
 #endif
 
        return ret;