Shared MMU initialization for ARM BSPs and RaspberryPi MMU support

Add support for MMU initialization for RaspberryPi. Introduce new shared
MMU configuration table that can be used by other BSPs that call the
arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache function.
Demonstrate the use of the generic table with RaspberryPi.

1 files changed, 3 insertions, 19 deletions

diff --git a/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c b/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c
index a2241687cc..71b2ff1a44 100644
--- a/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c
+++ b/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c
@@ -7,6 +7,7 @@
  */
 
 /*
+ * Copyright (c) 2013. Hesham AL-Matary
  * Copyright (c) 2013 by Alan Cudmore
  * based on work by:
  * Copyright (c) 2009
@@ -24,33 +25,16 @@
 #include <bspopts.h>
 #include <bsp/start.h>
 #include <bsp/raspberrypi.h>
-#include <bsp/mmu.h>
-
-static void BSP_START_TEXT_SECTION raspberrypi_cache_setup(void)
-{
-  uint32_t ctrl = 0;
-
-  /* Disable MMU and cache, basic settings */
-  ctrl = arm_cp15_get_control();
-  ctrl &= ~(ARM_CP15_CTRL_I | ARM_CP15_CTRL_R | ARM_CP15_CTRL_C
-    | ARM_CP15_CTRL_V | ARM_CP15_CTRL_M);
-  ctrl |= ARM_CP15_CTRL_S;
-  arm_cp15_set_control(ctrl);
-
-  arm_cp15_cache_invalidate();
-  arm_cp15_tlb_invalidate();
-
-}
-
+#include <bsp/mm.h>
 
 void BSP_START_TEXT_SECTION bsp_start_hook_0(void)
 {
-  raspberrypi_cache_setup();
 }
 
 
 void BSP_START_TEXT_SECTION bsp_start_hook_1(void)
 {
   bsp_start_copy_sections();
+  bsp_memory_management_initialize();
   bsp_start_clear_bss();
 }