Sean Cross
91cd582dea
We don't want this device to be updatable over the air, and we don't need the serial DFU bootloader. This leaves only UF2. Signed-off-by: Sean Cross <sean@xobs.io>
89 lines
2.5 KiB
Plaintext
89 lines
2.5 KiB
Plaintext
/* Linker script to configure memory regions. */
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SEARCH_DIR(.)
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GROUP(-lgcc -lc -lnosys)
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MEMORY
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{
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/** Flash start address for the bootloader. This setting will also be stored
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in UICR to allow the MBR to init the bootloader when starting the system. This
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value must correspond to BOOTLOADER_REGION_START found in dfu_types.h. The
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system is prevented from starting up if those values do not match. The check
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is performed in main.c, see APP_ERROR_CHECK_BOOL(*((uint32_t
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*)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START); */
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FLASH (rx) : ORIGIN = 0x7a000, LENGTH = 0x7E000-0x7a000 /* 40 KB */
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/** Location of mbr params page in flash. */
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MBR_PARAMS_PAGE (rw) : ORIGIN = 0x0007E000, LENGTH = 0x1000
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/** Location of bootloader setting in flash. */
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BOOTLOADER_SETTINGS (rw) : ORIGIN = 0x0007F000, LENGTH = 0x1000
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/** RAM Region for bootloader. */
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/* Avoid conflict with NOINIT for OTA bond sharing */
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RAM (rwx) : ORIGIN = 0x20008000, LENGTH = 0x20020000-0x20008000
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/* Location for double reset detection, no init */
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DBL_RESET (rwx) : ORIGIN = 0x20007F7C, LENGTH = 0x04
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/** Location of non initialized RAM. Non initialized RAM is used for
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exchanging bond information * from application to bootloader when using
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buttonless DFU OTA. */ NOINIT (rwx) : ORIGIN = 0x20007F80, LENGTH = 0x80
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/** Location in UICR where bootloader start address is stored. */
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UICR_BOOTLOADER (r) : ORIGIN = 0x10001014, LENGTH = 0x04
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/** Location in UICR where mbr params page address is stored. */
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UICR_MBR_PARAM_PAGE(r) : ORIGIN = 0x10001018, LENGTH = 0x04
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}
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SECTIONS
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{
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.fs_data_out ALIGN(4):
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{
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PROVIDE( __start_fs_data = .);
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KEEP(*(fs_data))
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PROVIDE( __stop_fs_data = .);
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} = 0
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/* Place the bootloader settings page in flash. */
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.bootloaderSettings(NOLOAD) :
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{
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} > BOOTLOADER_SETTINGS
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/* Write the bootloader address in UICR. */
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.uicrBootStartAddress :
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{
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KEEP(*(.uicrBootStartAddress))
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} > UICR_BOOTLOADER
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/* Place the mbr params page in flash. */
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.mbrParamsPage(NOLOAD) :
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{
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} > MBR_PARAMS_PAGE
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/* Write the bootloader address in UICR. */
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.uicrMbrParamsPageAddress :
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{
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KEEP(*(.uicrMbrParamsPageAddress))
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} > UICR_MBR_PARAM_PAGE
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.dbl_reset(NOLOAD) :
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{
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} > DBL_RESET
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/* No init RAM section in bootloader. Used for bond information exchange. */
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.noinit(NOLOAD) :
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{
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} > NOINIT
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/* other placements follow here... */
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}
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INCLUDE "nrf_common.ld"
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