source: rtems/c/src/lib/libbsp/arm/realview-pbx-a9/startup/bspstarthooks.c @ fbed79b

4.115
Last change on this file since fbed79b was fbed79b, checked in by Sebastian Huber <sebastian.huber@…>, on Oct 27, 2013 at 6:35:16 PM

bsps/arm: Add ARMV7_CP15_START_DEFAULT_SECTIONS

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/*
2 * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
3 *
4 *  embedded brains GmbH
5 *  Dornierstr. 4
6 *  82178 Puchheim
7 *  Germany
8 *  <info@embedded-brains.de>
9 *
10 * The license and distribution terms for this file may be
11 * found in the file LICENSE in this distribution or at
12 * http://www.rtems.com/license/LICENSE.
13 */
14
15#include <bsp.h>
16#include <bsp/start.h>
17#include <bsp/arm-cp15-start.h>
18#include <bsp/arm-a9mpcore-start.h>
19
20BSP_START_DATA_SECTION static const arm_cp15_start_section_config
21rvpbxa9_mmu_config_table[] = {
22  ARMV7_CP15_START_DEFAULT_SECTIONS,
23  {
24    .begin = 0x10000000U,
25    .end = 0x10020000U,
26    .flags = ARMV7_MMU_DEVICE
27  }, {
28    .begin = 0x1f000000U,
29    .end = 0x20000000U,
30    .flags = ARMV7_MMU_DEVICE
31  }
32};
33
34BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void)
35{
36  uint32_t ctrl = arm_cp15_start_setup_mmu_and_cache(
37    ARM_CP15_CTRL_A,
38    ARM_CP15_CTRL_AFE | ARM_CP15_CTRL_Z
39  );
40
41  arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache(
42    ctrl,
43    (uint32_t *) bsp_translation_table_base,
44    ARM_MMU_DEFAULT_CLIENT_DOMAIN,
45    &rvpbxa9_mmu_config_table[0],
46    RTEMS_ARRAY_SIZE(rvpbxa9_mmu_config_table)
47  );
48}
49
50BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
51{
52  arm_a9mpcore_start_hook_0();
53}
54
55BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
56{
57  arm_a9mpcore_start_hook_1();
58  bsp_start_copy_sections();
59  setup_mmu_and_cache();
60  bsp_start_clear_bss();
61}
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