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authorchrysn2012-10-19 00:49:27 +0200
committerchrysn2012-10-19 00:59:49 +0200
commitd526dd3268500d397746b19d2ab6688abf524077 (patch)
tree821642d3606a0dc823e81a1b97993a9134aa020b /lib/efm32/efm32tg
parent962f3286914d97a55713ba17c6c0797e0d120362 (diff)
rename tinygecko->efm32tg everywhere
Diffstat (limited to 'lib/efm32/efm32tg')
-rw-r--r--lib/efm32/efm32tg/EFM32TG840F32.ld15
-rw-r--r--lib/efm32/efm32tg/Makefile38
-rw-r--r--lib/efm32/efm32tg/libopencm3_efm32tg.ld79
3 files changed, 132 insertions, 0 deletions
diff --git a/lib/efm32/efm32tg/EFM32TG840F32.ld b/lib/efm32/efm32tg/EFM32TG840F32.ld
new file mode 100644
index 0000000..f7baa90
--- /dev/null
+++ b/lib/efm32/efm32tg/EFM32TG840F32.ld
@@ -0,0 +1,15 @@
+/* lengths from d011_efm32tg840_datasheet.pdf table 1.1, offset from
+ * d0034_efm32tg_reference_manual.pdf figure 5.2.
+ *
+ * the origins and memory structure are constant over all tinygeckos, but the
+ * MEMORY section requires the use of constants, and has thus to be duplicated
+ * over the chip variants.
+ * */
+
+MEMORY
+{
+ rom (rx) : ORIGIN = 0, LENGTH = 32k
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 4k
+}
+
+INCLUDE tinygecko.ld;
diff --git a/lib/efm32/efm32tg/Makefile b/lib/efm32/efm32tg/Makefile
new file mode 100644
index 0000000..65f8d02
--- /dev/null
+++ b/lib/efm32/efm32tg/Makefile
@@ -0,0 +1,38 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+##
+## This library is free software: you can redistribute it and/or modify
+## it under the terms of the GNU Lesser General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library. If not, see <http://www.gnu.org/licenses/>.
+##
+
+LIBNAME = libopencm3_efm32tg
+FAMILY = EFM32TG
+
+PREFIX ?= arm-none-eabi
+#PREFIX ?= arm-elf
+CC = $(PREFIX)-gcc
+AR = $(PREFIX)-ar
+CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
+ -mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
+ -ffunction-sections -fdata-sections -MD -D$(FAMILY)
+# ARFLAGS = rcsv
+ARFLAGS = rcs
+OBJS = vector.o
+
+VPATH += ../:../../cm3
+
+include ../../Makefile.include
+
diff --git a/lib/efm32/efm32tg/libopencm3_efm32tg.ld b/lib/efm32/efm32tg/libopencm3_efm32tg.ld
new file mode 100644
index 0000000..8ef5e42
--- /dev/null
+++ b/lib/efm32/efm32tg/libopencm3_efm32tg.ld
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>,
+ * Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Generic linker script for EFM32 targets using libopencm3. */
+
+/* Memory regions must be defined in the ld script which includes this one. */
+
+/* Enforce emmition of the vector table. */
+EXTERN (vector_table)
+
+/* Define the entry point of the output file. */
+ENTRY(reset_handler)
+
+/* Define sections. */
+SECTIONS
+{
+ . = ORIGIN(rom);
+
+ .text : {
+ *(.vectors) /* Vector table */
+ *(.text*) /* Program code */
+ . = ALIGN(4);
+ *(.rodata*) /* Read-only data */
+ . = ALIGN(4);
+ _etext = .;
+ } >rom
+
+ . = ORIGIN(ram);
+
+ .data : AT(_etext) {
+ _data = .;
+ *(.data*) /* Read-write initialized data */
+ . = ALIGN(4);
+ _edata = .;
+ } >ram
+
+ .bss : {
+ *(.bss*) /* Read-write zero initialized data */
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ } >ram AT >rom
+ _data_loadaddr = LOADADDR(.data);
+
+ /*
+ * The .eh_frame section appears to be used for C++ exception handling.
+ * You may need to fix this if you're using C++.
+ */
+ /DISCARD/ : { *(.eh_frame) }
+
+ /*
+ * Another section used by C++ stuff, appears when using newlib with
+ * 64bit (long long) printf support - discard it for now.
+ */
+ /DISCARD/ : { *(.ARM.exidx) }
+
+ . = ALIGN(4);
+ end = .;
+}
+
+PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));
+