NRF52832 implementation

3 files changed, 176 insertions, 0 deletions

diff --git a/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld b/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld
new file mode 100644
index 0000000..402995a
--- /dev/null
+++ b/os/common/startup/ARMCMx/compilers/GCC/ld/NRF52832.ld
@@ -0,0 +1,84 @@
+/*
+    Copyright (C) 2016 Stephane D'Alu
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * NRF52832 memory setup.
+ */
+MEMORY
+{
+  flash0  : org = 0x00000000, len = 512k
+  flash1  : org = 0x00000000, len = 0
+  flash2  : org = 0x00000000, len = 0
+  flash3  : org = 0x00000000, len = 0
+  flash4  : org = 0x00000000, len = 0
+  flash5  : org = 0x00000000, len = 0
+  flash6  : org = 0x00000000, len = 0
+  flash7  : org = 0x00000000, len = 0
+  ram0    : org = 0x20000000, len = 64k
+  ram1    : org = 0x00000000, len = 0
+  ram2    : org = 0x00000000, len = 0
+  ram3    : org = 0x00000000, len = 0
+  ram4    : org = 0x00000000, len = 0
+  ram5    : org = 0x00000000, len = 0
+  ram6    : org = 0x00000000, len = 0
+  ram7    : org = 0x00000000, len = 0
+}
+
+/* For each data/text section two region are defined, a virtual region
+   and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash0);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash0);
+REGION_ALIAS("XTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash0);
+REGION_ALIAS("TEXT_FLASH_LMA", flash0);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash0);
+REGION_ALIAS("RODATA_FLASH_LMA", flash0);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash0);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash0);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for HEAP segment.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+INCLUDE rules.ld
diff --git a/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk b/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk
new file mode 100644
index 0000000..693ae67
--- /dev/null
+++ b/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf52.mk
@@ -0,0 +1,10 @@
+# List of the ChibiOS generic NRF51 startup and CMSIS files.

+STARTUPSRC = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/crt1.c \

+             $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/vectors.c

+

+STARTUPASM = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/crt0_v7m.S

+

+STARTUPINC = $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/devices/NRF52832 \

+             $(CHIBIOS)/os/common/ext/CMSIS/include

+

+STARTUPLD  = $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/ld

diff --git a/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h b/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h
new file mode 100644
index 0000000..b349291
--- /dev/null
+++ b/os/common/startup/ARMCMx/devices/NRF52832/cmparams.h
@@ -0,0 +1,82 @@
+/*

+    Copyright (C) 2016 Stephane D'Alu

+

+    This file is part of ChibiOS.

+

+    ChibiOS is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS 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 General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    NRF51822/cmparams.h

+ * @brief   ARM Cortex-M4 parameters for the Nordic Semi NRF52832 family.

+ *

+ * @defgroup ARMCMx_NRF52x Nordic semiconductor NRF52x.

+ * @ingroup ARMCMx_SPECIFIC

+ * @details This file contains the Cortex-M4 specific parameters for the

+ *          NRF52x platform.

+ * @{

+ */

+

+#ifndef _CMPARAMS_H_

+#define _CMPARAMS_H_

+

+/**

+ * @brief   Cortex core model.

+ */

+#define CORTEX_MODEL            4

+

+/**

+ * @brief   Memory Protection unit presence.

+ */

+#define CORTEX_HAS_MPU          1

+

+/**

+ * @brief   Floating Point unit presence.

+ */

+#define CORTEX_HAS_FPU          1

+

+/**

+ * @brief   Number of bits in priority masks.

+ */

+#define CORTEX_PRIORITY_BITS    3

+

+/**

+ * @brief   Number of interrupt vectors.

+ * @note    This number does not include the 16 system vectors and must be

+ *          rounded to a multiple of 8.

+ */

+#define CORTEX_NUM_VECTORS      40

+

+/* The following code is not processed when the file is included from an

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+/* Including the device CMSIS header. Note, we are not using the definitions

+   from this header because we need this file to be usable also from

+   assembler source files. We verify that the info matches instead.*/

+#include "nrf52.h"

+

+#if CORTEX_MODEL != __CORTEX_M

+#error "CMSIS __CORTEX_M mismatch"

+#endif

+

+#if CORTEX_PRIORITY_BITS != __NVIC_PRIO_BITS

+#error "CMSIS __NVIC_PRIO_BITS mismatch"

+#endif

+

+#endif /* !defined(_FROM_ASM_) */

+

+#endif /* _CMPARAMS_H_ */

+

+/** @} */