/
nrf52840.ld
98 lines (70 loc) · 2.69 KB
/
nrf52840.ld
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/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
/** Flash start address for the bootloader. This setting will also be stored in UICR to allow the
* MBR to init the bootloader when starting the system. This value must correspond to
* BOOTLOADER_REGION_START found in dfu_types.h. The system is prevented from starting up if
* those values do not match. The check is performed in main.c, see
* APP_ERROR_CHECK_BOOL(*((uint32_t *)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START);
*/
FLASH (rx) : ORIGIN = 0xF4000, LENGTH = 0xFE000-0xF4000 - 2K /* 38 KB */
BOOTLOADER_CONFIG (r): ORIGIN = 0xFE000 - 2K, LENGTH = 2K
/** Location of mbr params page in flash. */
MBR_PARAMS_PAGE (rw) : ORIGIN = 0xFE000, LENGTH = 0x1000
/** Location of bootloader setting in flash. */
BOOTLOADER_SETTINGS (rw) : ORIGIN = 0xFF000, LENGTH = 0x1000
/** RAM Region for bootloader. */
/* Avoid conflict with NOINIT for OTA bond sharing */
RAM (rwx) : ORIGIN = 0x20008000, LENGTH = 0x20040000-0x20008000
/* Location for double reset detection, no init */
DBL_RESET (rwx) : ORIGIN = 0x20007F7C, LENGTH = 0x04
/** Location of non initialized RAM. Non initialized RAM is used for exchanging bond information
* from application to bootloader when using buttonless DFU OTA. */
NOINIT (rwx) : ORIGIN = 0x20007F80, LENGTH = 0x80
/** Location in UICR where bootloader start address is stored. */
UICR_BOOTLOADER (r) : ORIGIN = 0x10001014, LENGTH = 0x04
/** Location in UICR where mbr params page address is stored. */
UICR_MBR_PARAM_PAGE(r) : ORIGIN = 0x10001018, LENGTH = 0x04
}
SECTIONS
{
.fs_data_out ALIGN(4):
{
PROVIDE( __start_fs_data = .);
KEEP(*(fs_data))
PROVIDE( __stop_fs_data = .);
} = 0
.bootloaderConfig :
{
KEEP(*(.bootloaderConfig))
} > BOOTLOADER_CONFIG
/* Place the bootloader settings page in flash. */
.bootloaderSettings(NOLOAD) :
{
} > BOOTLOADER_SETTINGS
/* Write the bootloader address in UICR. */
.uicrBootStartAddress :
{
KEEP(*(.uicrBootStartAddress))
} > UICR_BOOTLOADER
/* Place the mbr params page in flash. */
.mbrParamsPage(NOLOAD) :
{
} > MBR_PARAMS_PAGE
/* Write the bootloader address in UICR. */
.uicrMbrParamsPageAddress :
{
KEEP(*(.uicrMbrParamsPageAddress))
} > UICR_MBR_PARAM_PAGE
.dbl_reset(NOLOAD) :
{
} > DBL_RESET
/* No init RAM section in bootloader. Used for bond information exchange. */
.noinit(NOLOAD) :
{
} > NOINIT
/* other placements follow here... */
}
INCLUDE "nrf_common.ld"