/**
* @file
*
* @ingroup arm_start
*
* @brief Raspberry Pi low level start
*/
/*
* 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.org/license/LICENSE.
*/
#include <bsp.h>
#include <bsp/arm-cp15-start.h>
/*
* Pagetable initialization data
*
* Keep all read-only sections before read-write ones.
* This ensures that write is allowed if one page/region
* is partially filled by read-only section contentent
* and rest is used for writeable section
*/
const arm_cp15_start_section_config arm_cp15_start_mmu_config_table[] = {
{
.begin = (uint32_t) bsp_section_fast_text_begin,
.end = (uint32_t) bsp_section_fast_text_end,
.flags = ARMV7_MMU_CODE_CACHED
}, {
.begin = (uint32_t) bsp_section_start_begin,
.end = (uint32_t) bsp_section_start_end,
.flags = ARMV7_MMU_CODE_CACHED
}, {
.begin = (uint32_t) bsp_section_text_begin,
.end = (uint32_t) bsp_section_text_end,
.flags = ARMV7_MMU_CODE_CACHED
}, {
.begin = (uint32_t) bsp_section_rodata_begin,
.end = (uint32_t) bsp_section_rodata_end,
.flags = ARMV7_MMU_DATA_READ_ONLY_CACHED
}, {
.begin = (uint32_t) bsp_translation_table_base,
.end = (uint32_t) bsp_translation_table_base + 0x4000,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_fast_data_begin,
.end = (uint32_t) bsp_section_fast_data_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_vector_begin,
.end = (uint32_t) bsp_section_vector_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_data_begin,
.end = (uint32_t) bsp_section_data_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_bss_begin,
.end = (uint32_t) bsp_section_bss_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_work_begin,
.end = (uint32_t) bsp_section_work_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = (uint32_t) bsp_section_stack_begin,
.end = (uint32_t) bsp_section_stack_end,
.flags = ARMV7_MMU_DATA_READ_WRITE_CACHED
}, {
.begin = RPI_PERIPHERAL_BASE,
.end = RPI_PERIPHERAL_BASE + RPI_PERIPHERAL_SIZE,
.flags = ARMV7_MMU_DEVICE
}
#if (BSP_IS_RPI2 == 1)
/* Core local peripherals area - timer, mailboxes */
, {
.begin = BCM2836_CORE_LOCAL_PERIPH_BASE,
.end = BCM2836_CORE_LOCAL_PERIPH_BASE + BCM2836_CORE_LOCAL_PERIPH_SIZE,
.flags = ARMV7_MMU_DEVICE
}
#endif
};
const size_t arm_cp15_start_mmu_config_table_size =
RTEMS_ARRAY_SIZE(arm_cp15_start_mmu_config_table);
