[PATCH rtems-libbsd 1/2] bsp/imxrt: Enable cache handling

Christian Mauderer christian.mauderer at embedded-brains.de
Fri Aug 11 05:37:35 UTC 2023


The BSP needs the CPU_DATA_CACHE_ALIGNMENT set to enable correct cache
handling in libbsd. Otherwise for example USB doesn't work reliable.
---
 rtemsbsd/include/machine/rtems-bsd-cache.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtemsbsd/include/machine/rtems-bsd-cache.h b/rtemsbsd/include/machine/rtems-bsd-cache.h
index 73b55e25..e292b216 100755
--- a/rtemsbsd/include/machine/rtems-bsd-cache.h
+++ b/rtemsbsd/include/machine/rtems-bsd-cache.h
@@ -45,7 +45,7 @@
 #if defined(LIBBSP_ARM_LPC24XX_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && defined(LPC32XX_DISABLE_MMU))
   /* No cache */
 #elif defined(LIBBSP_ARM_ALTERA_CYCLONE_V_BSP_H) || \
-  defined(LIBBSP_ARM_XILINX_ZYNQ_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && !defined(LPC32XX_DISABLE_MMU)) || defined(LIBBSP_ARM_IMX_BSP_H)
+  defined(LIBBSP_ARM_XILINX_ZYNQ_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && !defined(LPC32XX_DISABLE_MMU)) || defined(LIBBSP_ARM_IMX_BSP_H) || defined(LIBBSP_ARM_IMXRT_BSP_H)
   /* With cache, no coherency support in hardware */
   #define CPU_DATA_CACHE_ALIGNMENT 32
 #elif defined(__GEN83xx_BSP_h)
-- 
2.35.3



More information about the devel mailing list