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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-06 14:34:55 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-06 15:06:52 +0200 |
commit | a94d46c84b00cb212e85e38039e4ac0446bf9ad4 (patch) | |
tree | 13679b365f114a1f88578f5b1eb44aa5e4654fb7 /c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstarthooks.c | |
parent | bsps/arm: Fix register usage (diff) | |
download | rtems-a94d46c84b00cb212e85e38039e4ac0446bf9ad4.tar.bz2 |
bsp/xilinx-zynq: New BSP
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstarthooks.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstarthooks.c b/c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstarthooks.c new file mode 100644 index 0000000000..b15f95ca74 --- /dev/null +++ b/c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstarthooks.c @@ -0,0 +1,99 @@ +/* + * 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.com/license/LICENSE. + */ + +#include <bsp.h> +#include <bsp/start.h> +#include <bsp/arm-cp15-start.h> +#include <bsp/linker-symbols.h> + +BSP_START_TEXT_SECTION void bsp_start_hook_0(void) +{ + /* Do nothing */ +} + +BSP_START_DATA_SECTION static const arm_cp15_start_section_config +zynq_mmu_config_table[] = { + { + .begin = (uint32_t) bsp_section_fast_text_begin, + .end = (uint32_t) bsp_section_fast_text_end, + .flags = BSP_ARM_MMU_CODE + }, { + .begin = (uint32_t) bsp_section_fast_data_begin, + .end = (uint32_t) bsp_section_fast_data_end, + .flags = BSP_ARM_MMU_READ_WRITE_DATA + }, { + .begin = (uint32_t) bsp_section_start_begin, + .end = (uint32_t) bsp_section_start_end, + .flags = BSP_ARM_MMU_CODE + }, { + .begin = (uint32_t) bsp_section_vector_begin, + .end = (uint32_t) bsp_section_vector_end, + .flags = BSP_ARM_MMU_READ_WRITE_CACHED + }, { + .begin = (uint32_t) bsp_section_text_begin, + .end = (uint32_t) bsp_section_text_end, + .flags = BSP_ARM_MMU_CODE + }, { + .begin = (uint32_t) bsp_section_rodata_begin, + .end = (uint32_t) bsp_section_rodata_end, + .flags = BSP_ARM_MMU_READ_ONLY_DATA + }, { + .begin = (uint32_t) bsp_section_data_begin, + .end = (uint32_t) bsp_section_data_end, + .flags = BSP_ARM_MMU_READ_WRITE_DATA + }, { + .begin = (uint32_t) bsp_section_bss_begin, + .end = (uint32_t) bsp_section_bss_end, + .flags = BSP_ARM_MMU_READ_WRITE_DATA + }, { + .begin = (uint32_t) bsp_section_work_begin, + .end = (uint32_t) bsp_section_work_end, + .flags = BSP_ARM_MMU_READ_WRITE_DATA + }, { + .begin = (uint32_t) bsp_section_stack_begin, + .end = (uint32_t) bsp_section_stack_end, + .flags = BSP_ARM_MMU_READ_WRITE_DATA + }, { + .begin = 0xe0000000U, + .end = 0xe0200000U, + .flags = BSP_ARM_MMU_READ_WRITE + }, { + .begin = 0xf8000000U, + .end = 0xf9000000U, + .flags = BSP_ARM_MMU_READ_WRITE + } +}; + +BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void) +{ + uint32_t ctrl = arm_cp15_start_setup_mmu_and_cache( + 0, + ARM_CP15_CTRL_AFE | ARM_CP15_CTRL_Z + ); + + arm_cp15_start_setup_translation_table_and_enable_mmu( + ctrl, + (uint32_t *) bsp_translation_table_base, + BSP_ARM_MMU_CLIENT_DOMAIN, + &zynq_mmu_config_table[0], + RTEMS_ARRAY_SIZE(zynq_mmu_config_table) + ); +} + +BSP_START_TEXT_SECTION void bsp_start_hook_1(void) +{ + bsp_start_copy_sections(); + setup_mmu_and_cache(); + bsp_start_clear_bss(); +} |