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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-21 11:39:28 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-22 09:25:10 +0200 |
| commit | 6a46d9974f0275a8548db6d0e723afde89e017ac (patch) | |
| tree | 18502916ad3a2e0edf39c7707132ceecbe94df07 | |
| parent | rtems: Avoid Giant lock for dual ported memory (diff) | |
| download | rtems-6a46d9974f0275a8548db6d0e723afde89e017ac.tar.bz2 | |
bsp/qoriq: Optionally initialize register HID0
Enable the L2MMU multiple-hit detection on the e6500 core.
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/configure.ac | 4 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/start/start.S | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/configure.ac b/c/src/lib/libbsp/powerpc/qoriq/configure.ac index bc78d7dfbb..66f26050aa 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/configure.ac +++ b/c/src/lib/libbsp/powerpc/qoriq/configure.ac @@ -148,6 +148,10 @@ RTEMS_BSPOPTS_SET([QORIQ_TLB1_ENTRY_COUNT],[qoriq_t*],[64]) RTEMS_BSPOPTS_SET([QORIQ_TLB1_ENTRY_COUNT],[*],[16]) RTEMS_BSPOPTS_HELP([QORIQ_TLB1_ENTRY_COUNT],[TLB1 entry count]) +RTEMS_BSPOPTS_SET([QORIQ_INITIAL_HID0],[qoriq_t*],[0x40000000]) +RTEMS_BSPOPTS_SET([QORIQ_INITIAL_HID0],[*],[]) +RTEMS_BSPOPTS_HELP([QORIQ_INITIAL_HID0],[initial HID0 value (EN_L2MMU_MHD is set by default on the T-series)]) + RTEMS_BSPOPTS_SET([QORIQ_INITIAL_MSR],[qoriq_t*],[0x02002200]) RTEMS_BSPOPTS_SET([QORIQ_INITIAL_MSR],[*],[0x02000200]) RTEMS_BSPOPTS_HELP([QORIQ_INITIAL_MSR],[initial MSR value]) diff --git a/c/src/lib/libbsp/powerpc/qoriq/start/start.S b/c/src/lib/libbsp/powerpc/qoriq/start/start.S index 045c9c8eb7..b0e4960819 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/start/start.S +++ b/c/src/lib/libbsp/powerpc/qoriq/start/start.S @@ -7,7 +7,7 @@ */ /* - * Copyright (c) 2010-2015 embedded brains GmbH. All rights reserved. + * Copyright (c) 2010, 2016 embedded brains GmbH. All rights reserved. * * embedded brains GmbH * Dornierstr. 4 @@ -197,6 +197,12 @@ _start: isync #endif +#ifdef QORIQ_INITIAL_HID0 + /* HID0 initialization */ + LWI r0, QORIQ_INITIAL_HID0 + mtspr HID0, r0 +#endif + /* Invalidate TLS anchor */ li r2, 0 |