[rtems commit] bsp/atsam: Use normal memory for QSPI flash area
Sebastian Huber
sebh at rtems.org
Fri Sep 16 06:19:49 UTC 2016
Module: rtems
Branch: master
Commit: c186de5cd1297f3079c643599aebeb64a69ae9da
Changeset: http://git.rtems.org/rtems/commit/?id=c186de5cd1297f3079c643599aebeb64a69ae9da
Author: Alexander Krutwig <alexander.krutwig at embedded-brains.de>
Date: Wed Sep 14 14:46:03 2016 +0200
bsp/atsam: Use normal memory for QSPI flash area
This is a performance improvement for execute-in-place (XIP).
---
c/src/lib/libbsp/arm/atsam/libraries/libboard/source/board_lowlevel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libboard/source/board_lowlevel.c b/c/src/lib/libbsp/arm/atsam/libraries/libboard/source/board_lowlevel.c
index 0003885..a13a3b3 100644
--- a/c/src/lib/libbsp/arm/atsam/libraries/libboard/source/board_lowlevel.c
+++ b/c/src/lib/libbsp/arm/atsam/libraries/libboard/source/board_lowlevel.c
@@ -258,7 +258,7 @@ void _SetupMemoryRegion(void)
MPU_SetRegion(dwRegionBaseAddr, dwRegionAttr);
/****************************************************
- QSPI memory region --- Strongly ordered
+ QSPI memory region --- Normal
START_Addr:- 0x80000000UL
END_Addr:- 0x9FFFFFFFUL
******************************************************/
@@ -269,7 +269,7 @@ void _SetupMemoryRegion(void)
dwRegionAttr =
MPU_AP_FULL_ACCESS |
- STRONGLY_ORDERED_SHAREABLE_TYPE |
+ INNER_NORMAL_WB_NWA_TYPE(SHAREABLE) |
MPU_CalMPURegionSize(QSPI_END_ADDRESS - QSPI_START_ADDRESS) |
MPU_REGION_ENABLE;
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