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authorPremysl Houdek <kom541000@gmail.com>2015-11-12 23:11:32 +0100
committerGedare Bloom <gedare@rtems.org>2015-11-18 10:19:01 -0500
commit85750d169ec4c03e402d5dca4737f66c714ecfc7 (patch)
tree63c7e57b9053f870fe8d2a88e102e39abbafe9ea /c/src/lib/libbsp
parentbsp/tms570: use POM only when application image does not start at address 0. (diff)
downloadrtems-85750d169ec4c03e402d5dca4737f66c714ecfc7.tar.bz2
bsp/tms570: separate Flash variants to one which boots directly and one for boot loader.
The default tms570ls3137_hdk variant is for building RTEMS application image starting directly from start of Flash. Variant tms570ls3137_hdk_with_loader skips 256kB at start of Flash to allow use with application loader. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'c/src/lib/libbsp')
-rw-r--r--c/src/lib/libbsp/arm/tms570/Makefile.am1
-rw-r--r--c/src/lib/libbsp/arm/tms570/README3
-rw-r--r--c/src/lib/libbsp/arm/tms570/make/custom/tms570ls3137_hdk_with_loader.cfg20
-rw-r--r--c/src/lib/libbsp/arm/tms570/startup/linkcmds.tms570ls3137_hdk_with_loader33
4 files changed, 57 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/tms570/Makefile.am b/c/src/lib/libbsp/arm/tms570/Makefile.am
index 7936b073df..ae67983239 100644
--- a/c/src/lib/libbsp/arm/tms570/Makefile.am
+++ b/c/src/lib/libbsp/arm/tms570/Makefile.am
@@ -95,6 +95,7 @@ project_lib_DATA += startup/linkcmds
EXTRA_DIST =
EXTRA_DIST += startup/linkcmds.tms570ls3137_hdk
+EXTRA_DIST += startup/linkcmds.tms570ls3137_hdk_with_loader
EXTRA_DIST += startup/linkcmds.tms570ls3137_hdk_sdram
EXTRA_DIST += startup/linkcmds.tms570ls3137_hdk_intram
diff --git a/c/src/lib/libbsp/arm/tms570/README b/c/src/lib/libbsp/arm/tms570/README
index e1be925395..f48744ff1e 100644
--- a/c/src/lib/libbsp/arm/tms570/README
+++ b/c/src/lib/libbsp/arm/tms570/README
@@ -11,6 +11,9 @@ Drivers:
BSP variants:
tms570ls3137_hdk_intram - place code and data into internal SRAM
tms570ls3137_hdk_sdram - place code into external SDRAM and data to SRAM
+ tms570ls3137_hdk_with_loader - reserve 256kB at Flash start for loader
+ and place RTEMS application from address
+ 0x00040000
tms570ls3137_hdk - variant prepared for stand-alone RTEMS application
stored and running directly from flash. Not working yet.
diff --git a/c/src/lib/libbsp/arm/tms570/make/custom/tms570ls3137_hdk_with_loader.cfg b/c/src/lib/libbsp/arm/tms570/make/custom/tms570ls3137_hdk_with_loader.cfg
new file mode 100644
index 0000000000..869cf71829
--- /dev/null
+++ b/c/src/lib/libbsp/arm/tms570/make/custom/tms570ls3137_hdk_with_loader.cfg
@@ -0,0 +1,20 @@
+#
+# Config file for TMS570LS3137 board.
+#
+
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = arm
+
+CPU_CFLAGS = -march=armv7-r -mthumb -mbig-endian -mfpu=vfpv3-d16 -mfloat-abi=hard
+
+CFLAGS_OPTIMIZE_V = -O2 -ggdb
+BINEXT?=.bin
+
+# This defines the operations performed on the linked executable.
+# is currently required.
+define bsp-post-link
+ $(OBJCOPY) -O binary --strip-all \
+ $(basename $@)$(EXEEXT) $(basename $@)$(BINEXT)
+ $(SIZE) $(basename $@)$(EXEEXT)
+endef
diff --git a/c/src/lib/libbsp/arm/tms570/startup/linkcmds.tms570ls3137_hdk_with_loader b/c/src/lib/libbsp/arm/tms570/startup/linkcmds.tms570ls3137_hdk_with_loader
new file mode 100644
index 0000000000..940f303030
--- /dev/null
+++ b/c/src/lib/libbsp/arm/tms570/startup/linkcmds.tms570ls3137_hdk_with_loader
@@ -0,0 +1,33 @@
+
+MEMORY {
+ ROM_BOOT(RX) : ORIGIN = 0x00000000, LENGTH = 256k
+ ROM_INT (RX) : ORIGIN = 0x00040000, LENGTH = 3M-256k
+ RAM_INT_VEC : ORIGIN = 0x08000000, LENGTH = 256
+ RAM_INT (AIWX) : ORIGIN = 0x08000100, LENGTH = 256k - 256
+ RAM_EXT (AIWX) : ORIGIN = 0x80000000, LENGTH = 8M
+}
+
+REGION_ALIAS ("REGION_START", ROM_INT);
+REGION_ALIAS ("REGION_VECTOR", RAM_INT);
+REGION_ALIAS ("REGION_TEXT", ROM_INT);
+REGION_ALIAS ("REGION_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_RODATA", ROM_INT);
+REGION_ALIAS ("REGION_RODATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_DATA", RAM_INT);
+REGION_ALIAS ("REGION_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_DATA", RAM_INT);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_BSS", RAM_INT);
+REGION_ALIAS ("REGION_WORK", RAM_INT);
+REGION_ALIAS ("REGION_STACK", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM_INT);
+
+bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
+bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
+
+bsp_int_vec_overlay_start = ORIGIN(RAM_INT_VEC);
+
+INCLUDE linkcmds.armv4