diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/imx/startup/bspstarthooks.c')
-rw-r--r-- | c/src/lib/libbsp/arm/imx/startup/bspstarthooks.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/imx/startup/bspstarthooks.c b/c/src/lib/libbsp/arm/imx/startup/bspstarthooks.c new file mode 100644 index 0000000000..2bbbae06df --- /dev/null +++ b/c/src/lib/libbsp/arm/imx/startup/bspstarthooks.c @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2013, 2017 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 +imx_mmu_config_table[] = { + ARMV7_CP15_START_DEFAULT_SECTIONS, + { + .begin = 0x07000000U, + .end = 0x70000000U, + .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, + &imx_mmu_config_table[0], + RTEMS_ARRAY_SIZE(imx_mmu_config_table) + ); +} + +BSP_START_TEXT_SECTION void bsp_start_hook_0(void) +{ +} + +BSP_START_TEXT_SECTION void bsp_start_hook_1(void) +{ + arm_a9mpcore_start_set_vector_base(); + bsp_start_copy_sections(); + setup_mmu_and_cache(); + bsp_start_clear_bss(); +} |