bsp/atsam: New

Close #2529.

1 files changed, 53 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/arm/atsam/startup/bspstarthooks.c b/c/src/lib/libbsp/arm/atsam/startup/bspstarthooks.c
new file mode 100644
index 0000000000..718a2625e8
--- /dev/null
+++ b/c/src/lib/libbsp/arm/atsam/startup/bspstarthooks.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH Huber.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+#include <bsp/start.h>
+#include <bsp/pin-config.h>
+
+#include <chip.h>
+#include <include/board_lowlevel.h>
+#include <include/board_memories.h>
+
+void BSP_START_TEXT_SECTION bsp_start_hook_0(void)
+{
+  system_init_flash(BOARD_MCK);
+  SystemInit();
+
+  PIO_Configure(&atsam_pin_config[0], atsam_pin_config_count);
+  MATRIX->CCFG_SYSIO = atsam_matrix_ccfg_sysio;
+
+  if (!PMC_IsPeriphEnabled(ID_SDRAMC)) {
+    BOARD_ConfigureSdram();
+  }
+
+  if ((SCB->CCR & SCB_CCR_IC_Msk) == 0) {
+    SCB_EnableICache();
+  }
+
+  if ((SCB->CCR & SCB_CCR_DC_Msk) == 0) {
+    SCB_EnableDCache();
+  }
+
+  _SetupMemoryRegion();
+}
+
+void BSP_START_TEXT_SECTION bsp_start_hook_1(void)
+{
+  bsp_start_copy_sections_compact();
+  SCB_CleanDCache();
+  SCB_InvalidateICache();
+  bsp_start_clear_bss();
+  WDT_Disable(WDT);
+}