1 files changed, 81 insertions, 0 deletions
diff --git a/bsps/arm/realview-pbx-a9/start/bspstarthooks.c b/bsps/arm/realview-pbx-a9/start/bspstarthooks.c
new file mode 100644
index 0000000000..ab766e8626
--- /dev/null
+++ b/bsps/arm/realview-pbx-a9/start/bspstarthooks.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <info@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.
+ */
+
+#define ARM_CP15_TEXT_SECTION BSP_START_TEXT_SECTION
+
+#include <bsp.h>
+#include <bsp/start.h>
+#include <bsp/arm-cp15-start.h>
+#include <bsp/arm-a9mpcore-start.h>
+
+BSP_START_DATA_SECTION static const arm_cp15_start_section_config
+rvpbxa9_mmu_config_table[] = {
+  ARMV7_CP15_START_DEFAULT_SECTIONS,
+  {
+    .begin = 0x10000000U,
+    .end = 0x10020000U,
+    .flags = ARMV7_MMU_DEVICE
+  }, {
+    .begin = 0x1f000000U,
+    .end = 0x20000000U,
+    .flags = ARMV7_MMU_DEVICE
+  }, {
+    .begin = 0x4e000000U,
+    .end = 0x4f000000U,
+    .flags = ARMV7_MMU_DEVICE
+  }
+};
+
+BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void)
+{
+  uint32_t ctrl = arm_cp15_start_setup_mmu_and_cache(
+    ARM_CP15_CTRL_A,
+    ARM_CP15_CTRL_AFE | ARM_CP15_CTRL_Z
+  );
+
+  arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache(
+    ctrl,
+    (uint32_t *) bsp_translation_table_base,
+    ARM_MMU_DEFAULT_CLIENT_DOMAIN,
+    &rvpbxa9_mmu_config_table[0],
+    RTEMS_ARRAY_SIZE(rvpbxa9_mmu_config_table)
+  );
+}
+
+BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
+{
+#ifdef RTEMS_SMP
+  uint32_t cpu_id = arm_cortex_a9_get_multiprocessor_cpu_id();
+
+  /*
+   * QEMU jumps to the entry point of the ELF file on all processors.  Prevent
+   * a SMP_FATAL_MULTITASKING_START_ON_INVALID_PROCESSOR this way.
+   */
+  if ( cpu_id >= rtems_configuration_get_maximum_processors() ) {
+    while (true) {
+      _ARM_Wait_for_event();
+    }
+  }
+#endif
+
+  arm_a9mpcore_start_hook_0();
+}
+
+BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
+{
+  arm_a9mpcore_start_hook_1();
+  bsp_start_copy_sections();
+  setup_mmu_and_cache();
+  bsp_start_clear_bss();
+}