diff options
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c index ceb64a6193..414bcb47c4 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c @@ -78,10 +78,19 @@ typedef struct { .mas7 = QORIQ_MMU_DEVICE_MAS7 \ } +/* + * MMU entry for BMan and QMan software portals. + * + * The M bit must be set if stashing is used, see 3.3.8.6 DQRR Entry Stashing + * and 3.3.8 Software Portals in T4240DPAARM. + * + * The G bit must be set, otherwise ECC errors in the QMan software portals + * will occur. No documentation reference for this is available. + */ #define ENTRY_DEV_CACHED(b, s) { \ .begin = (uint32_t) b, \ .size = (uint32_t) s, \ - .mas2 = 0, \ + .mas2 = FSL_EIS_MAS2_M | FSL_EIS_MAS2_G, \ .mas3 = FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW, \ .mas7 = QORIQ_MMU_DEVICE_MAS7 \ } |