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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 | |
| parent | bsp/imx: Provide a default console (diff) | |
| download | rtems-561698315f50258832ad41453318b1dcbd00ed49.tar.bz2 | |
bsp/imx: Add nocache section
Update #3090.
| -rw-r--r-- | c/src/lib/libbsp/arm/imx/make/custom/imx7.cfg | 2 | ||||
| -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 |
3 files changed, 10 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/arm/imx/make/custom/imx7.cfg b/c/src/lib/libbsp/arm/imx/make/custom/imx7.cfg index a93919e0ff..059f54937b 100644 --- a/c/src/lib/libbsp/arm/imx/make/custom/imx7.cfg +++ b/c/src/lib/libbsp/arm/imx/make/custom/imx7.cfg @@ -11,6 +11,6 @@ CFLAGS_OPTIMIZE_V ?= -O2 -g -ffunction-sections -fdata-sections # define bsp-post-link # $(OBJCOPY) -O binary '$@' '$(basename $@).bin' # gzip -f -9 '$(basename $@).bin' -# mkimage -A arm -O linux -T kernel -a 0x80004000 -e 0x80004000 -name '$(notdir $@)' -d '$(basename $@).bin.gz' '$(basename $@).img' +# mkimage -A arm -O linux -T kernel -a 0x80200000 -e 0x80200000 -name '$(notdir $@)' -d '$(basename $@).bin.gz' '$(basename $@).img' # $(default-bsp-post-link) # endef 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; |