diff options
Diffstat (limited to 'gcc/gcc/same54p20a_flash.ld')
| -rw-r--r-- | gcc/gcc/same54p20a_flash.ld | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/gcc/same54p20a_flash.ld b/gcc/gcc/same54p20a_flash.ld index 08099d2..32ded77 100644 --- a/gcc/gcc/same54p20a_flash.ld +++ b/gcc/gcc/same54p20a_flash.ld @@ -36,7 +36,8 @@ SEARCH_DIR(.) MEMORY { rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00100000 - ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00040000 + /* The first word of the RAM is used for the DFU magic */ + ram (rwx) : ORIGIN = 0x20000000 + 4, LENGTH = 0x00040000 - 4 bkupram (rwx) : ORIGIN = 0x47000000, LENGTH = 0x00002000 qspi (rwx) : ORIGIN = 0x04000000, LENGTH = 0x01000000 } @@ -47,6 +48,12 @@ STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stac /* Section Definitions */ SECTIONS { + /* Location of the DFU magic. The application must set the magic value "DFU!" (e.g. 0x44465521) at this address to force the DFU bootloader to start (e.g. to perform a DFU detach) */ + .dfu_magic 0x20000000 : + { + KEEP(*(.dfu_magic)) ; + } + .text : { . = ALIGN(4); |