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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-26 07:10:40 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-27 10:59:09 +0200 |
commit | 561698315f50258832ad41453318b1dcbd00ed49 (patch) | |
tree | 9211182bba6dd8d06945cd22f28f90d696111aa0 /c/src/lib/libbsp/arm/imx/startup | |
parent | bsp/imx: Provide a default console (diff) | |
download | rtems-561698315f50258832ad41453318b1dcbd00ed49.tar.bz2 |
bsp/imx: Add nocache section
Update #3090.
Diffstat (limited to 'c/src/lib/libbsp/arm/imx/startup')
-rw-r--r-- | c/src/lib/libbsp/arm/imx/startup/bspstart.c | 5 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/imx/startup/linkcmds.imx7 | 7 |
2 files changed, 9 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/arm/imx/startup/bspstart.c b/c/src/lib/libbsp/arm/imx/startup/bspstart.c index e28fe2bc48..f715726fb0 100644 --- a/c/src/lib/libbsp/arm/imx/startup/bspstart.c +++ b/c/src/lib/libbsp/arm/imx/startup/bspstart.c @@ -17,6 +17,7 @@ #include <bsp/fatal.h> #include <bsp/fdt.h> #include <bsp/irq-generic.h> +#include <bsp/linker-symbols.h> #include <libfdt.h> @@ -57,4 +58,8 @@ void arm_generic_timer_get_config( void bsp_start(void) { bsp_interrupt_initialize(); + rtems_cache_coherent_add_area( + bsp_section_nocacheheap_begin, + (uintptr_t) bsp_section_nocacheheap_size + ); } diff --git a/c/src/lib/libbsp/arm/imx/startup/linkcmds.imx7 b/c/src/lib/libbsp/arm/imx/startup/linkcmds.imx7 index 6cb9fc3f39..750e1def1d 100644 --- a/c/src/lib/libbsp/arm/imx/startup/linkcmds.imx7 +++ b/c/src/lib/libbsp/arm/imx/startup/linkcmds.imx7 @@ -1,6 +1,7 @@ MEMORY { RAM_MMU : ORIGIN = 0x80000000, LENGTH = 16k - RAM : ORIGIN = 0x80004000, LENGTH = 512M - 16k + NOCACHE : ORIGIN = 0x80100000, LENGTH = 1M + RAM : ORIGIN = 0x80200000, LENGTH = 512M - 2M } REGION_ALIAS ("REGION_START", RAM); @@ -18,8 +19,8 @@ REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM); REGION_ALIAS ("REGION_BSS", RAM); REGION_ALIAS ("REGION_WORK", RAM); REGION_ALIAS ("REGION_STACK", RAM); -REGION_ALIAS ("REGION_NOCACHE", RAM); -REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM); +REGION_ALIAS ("REGION_NOCACHE", NOCACHE); +REGION_ALIAS ("REGION_NOCACHE_LOAD", NOCACHE); bsp_processor_count = DEFINED (bsp_processor_count) ? bsp_processor_count : 2; |