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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-28 10:19:54 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-09 13:06:49 +0200 |
| commit | c70f9d19ee6dabe8f5373ec8bf0e36d25bd2429f (patch) | |
| tree | 9782c349e2956a3d24ef97a9f52787f62c2ad6c0 | |
| parent | sonic.c: Fix warning on gcc 6 (diff) | |
| download | rtems-c70f9d19ee6dabe8f5373ec8bf0e36d25bd2429f.tar.bz2 | |
bsp/qoriq: Set M and G bits in ENTRY_DEV_CACHED()
Set M and G MMU attribute bits in ENTRY_DEV_CACHED().
| -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 \ } |