140 lines
4.6 KiB
Plaintext
140 lines
4.6 KiB
Plaintext
/*
|
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
/*
|
|
* STM32F4 memory setup.
|
|
* Note: Use of ram1 and ram2 is mutually exclusive with use of ram0.
|
|
* bl section is where we link the rusefi bootloader
|
|
*/
|
|
|
|
/* On devices with 256K RAM, use additional memory SRAM3. */
|
|
/* STM32F40x do not have SRAM3 */
|
|
/* STM32F42x and F46x have SRAM3 */
|
|
RAM3_SIZE = DEFINED(STM32F4_HAS_SRAM3) ? 64k : 0;
|
|
|
|
/* SDRAM */
|
|
/* Only STM32F429I-Discovery has external SDRAM */
|
|
SDRAM_SIZE = DEFINED(STM32_HAS_SDRAM) ? 8M : 0;
|
|
|
|
/* change address & length if bootloader */
|
|
bootloader_size = 32k;
|
|
flash_start = 0x08000000 + (DEFINED(HAS_BOOTLOADER) ? bootloader_size : 0);
|
|
flash_size = DEFINED(IS_BOOTLOADER) ? bootloader_size : 768k;
|
|
image_size = DEFINED(HAS_BOOTLOADER) ? (flash_size - bootloader_size) : flash_size;
|
|
|
|
/* OpenBLT <-> main FW shared area */
|
|
_OpenBLT_Shared_Params_Size = DEFINED(HAS_BOOTLOADER) || DEFINED(IS_BOOTLOADER) ? 16 : 0;
|
|
|
|
MEMORY
|
|
{
|
|
bl : org = 0x08000000, len = bootloader_size /* bootloader section */
|
|
flash0 : org = flash_start, len = image_size
|
|
flash1 : org = 0x00000000, len = 0
|
|
flash2 : org = 0x00000000, len = 0
|
|
flash3 : org = 0x00000000, len = 0
|
|
flash4 : org = 0x00000000, len = 0
|
|
flash5 : org = 0x00000000, len = 0
|
|
flash6 : org = 0x00000000, len = 0
|
|
flash7 : org = 0x00000000, len = 0
|
|
shared : org = 0x20000000, len = _OpenBLT_Shared_Params_Size
|
|
ram0 : org = 0x20000000 + _OpenBLT_Shared_Params_Size, len = 128k + RAM3_SIZE - _OpenBLT_Shared_Params_Size /* SRAM1 + SRAM2 + SRAM3 (optionally) */
|
|
ram1 : org = 0x20000000 + _OpenBLT_Shared_Params_Size, len = 112k - _OpenBLT_Shared_Params_Size /* SRAM1 */
|
|
ram2 : org = 0x2001C000, len = 16k /* SRAM2 */
|
|
ram3 : org = 0x20020000, len = RAM3_SIZE /* SRAM3 note: this will be 0 size on F40x devices */
|
|
ram4 : org = 0x10000000, len = 64k /* CCM SRAM */
|
|
ram5 : org = 0x40024000, len = 4k /* BCKP SRAM */
|
|
ram6 : org = 0x00000000, len = 0
|
|
ram7 : org = 0xD0000000, len = SDRAM_SIZE /* SDRAM */
|
|
}
|
|
|
|
__backup_sram_addr__ = ORIGIN(ram5);
|
|
|
|
/* For each data/text section two region are defined, a virtual region
|
|
and a load region (_LMA suffix).*/
|
|
|
|
/* Flash region to be used for exception vectors.*/
|
|
REGION_ALIAS("VECTORS_FLASH", flash0);
|
|
REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
|
|
|
|
/* Flash region to be used for constructors and destructors.*/
|
|
REGION_ALIAS("XTORS_FLASH", flash0);
|
|
REGION_ALIAS("XTORS_FLASH_LMA", flash0);
|
|
|
|
/* Flash region to be used for code text.*/
|
|
REGION_ALIAS("TEXT_FLASH", flash0);
|
|
REGION_ALIAS("TEXT_FLASH_LMA", flash0);
|
|
|
|
/* Flash region to be used for read only data.*/
|
|
REGION_ALIAS("RODATA_FLASH", flash0);
|
|
REGION_ALIAS("RODATA_FLASH_LMA", flash0);
|
|
|
|
/* Flash region to be used for various.*/
|
|
REGION_ALIAS("VARIOUS_FLASH", flash0);
|
|
REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
|
|
|
|
/* Flash region to be used for RAM(n) initialization data.*/
|
|
REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
|
|
|
|
/* RAM region to be used for Main stack. This stack accommodates the processing
|
|
of all exceptions and interrupts.*/
|
|
REGION_ALIAS("MAIN_STACK_RAM", ram0);
|
|
|
|
/* RAM region to be used for the process stack. This is the stack used by
|
|
the main() function.*/
|
|
REGION_ALIAS("PROCESS_STACK_RAM", ram0);
|
|
|
|
/* RAM region to be used for data segment.*/
|
|
REGION_ALIAS("DATA_RAM", ram0);
|
|
REGION_ALIAS("DATA_RAM_LMA", flash0);
|
|
|
|
/* RAM region to be used for BSS segment.*/
|
|
REGION_ALIAS("BSS_RAM", ram0);
|
|
|
|
/* RAM region to be used for the default heap.*/
|
|
REGION_ALIAS("HEAP_RAM", ram0);
|
|
|
|
/* RAM region to be used for SDRAM segment.*/
|
|
REGION_ALIAS("SDRAM_RAM", ram7);
|
|
|
|
SECTIONS
|
|
{
|
|
/* Bootloader section */
|
|
.bl : ALIGN(4)
|
|
{
|
|
. = ALIGN(4);
|
|
*(.bl)
|
|
*(.bl.*)
|
|
. = ALIGN(4);
|
|
} > bl AT > bl
|
|
|
|
/* shared between main FW and OpenBLT */
|
|
.shared (NOLOAD) :
|
|
{
|
|
. = ALIGN(4);
|
|
_sshared = .;
|
|
__shared_start__ = _sshared;
|
|
*(.shared)
|
|
*(.shared.*)
|
|
KEEP(*(.shared))
|
|
. = ALIGN(4);
|
|
_eshared = .;
|
|
__shared_end__ = _eshared;
|
|
} > shared
|
|
}
|
|
|
|
/* Generic rules inclusion.*/
|
|
INCLUDE rules.ld
|