Support for MPC5643L.

Rework of the start sequence to reduce the amount assembler code and to
support configuration tables which may be provided by the application.

1 files changed, 42 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu-early.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu-early.c
new file mode 100644
index 0000000000..d243bee245
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu-early.c
@@ -0,0 +1,42 @@
+/**
+ * @file
+ *
+ * @ingroup mpc55xx
+ *
+ * @brief MMU early configuration.
+ */
+
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  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.com/license/LICENSE.
+ */
+
+#include <bsp/start.h>
+#include <bsp/mpc55xx-config.h>
+
+BSP_START_TEXT_SECTION const struct MMU_tag
+  mpc55xx_start_config_mmu_early [] = {
+#if MPC55XX_CHIP_TYPE / 10 == 564
+  /* Internal flash 1M */
+  MPC55XX_MMU_TAG_INITIALIZER(0, 0x00000000, MPC55XX_MMU_1M, 1, 0, 1, 1),
+  /* IO */
+  MPC55XX_MMU_TAG_INITIALIZER(1, 0xffe00000, MPC55XX_MMU_2M, 0, 1, 1, 1),
+  MPC55XX_MMU_TAG_INITIALIZER(2, 0xc3f00000, MPC55XX_MMU_1M, 0, 1, 1, 1),
+  /* Internal SRAM 64k */
+  MPC55XX_MMU_TAG_INITIALIZER(3, 0x40000000, MPC55XX_MMU_64K, 1, 1, 1, 1)
+#endif
+};
+
+BSP_START_TEXT_SECTION const size_t mpc55xx_start_config_mmu_early_count [] = {
+  sizeof(mpc55xx_start_config_mmu_early)
+    / sizeof(mpc55xx_start_config_mmu_early [0])
+};