| Commit message (Collapse) | Author | Age | Files | Lines |
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As we re-locate the entire sam7dfu program into RAM, we don't need
to execute from flash and can thus re-program the DFU partition
via the DFU protocol itself (alternate setting '1').
We also implement downloading executable code into RAM using
alternate setting '2'. The latter part is not properly executed yet.
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This will discard unused functions from the resulting binary
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git-svn-id: https://svn.openpcd.org:2342/trunk@293 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@292 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@231 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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SAM7S128 and SAM7S256 being restricted to 16k lock region size. If we want
to lock the bootloader, it has to be 16k aligned. This wastes a lot of
memory, since a non-debug DFU implementation fits currently into less than
4k. But anyway, we have lots of flexibility for the future given that amount
of space.
- The DFU size change introduces also a change in dfu_api location to 0x103fd0
- Allow GETSTATE and GETSTATUS from runtime mode (optional in DFU spec)
- Make dfu_status a .data.shared variable, since it is used from GETSTATUS
which we already support in runtime mode
- do some led switching while flashing via DFU
- disable all non-usb/dbgu interrupts when switching to DFU mode
- fix interrupt-storm problem when dbgu is used in DFU loader
- add missing linker script for SAM7S128
git-svn-id: https://svn.openpcd.org:2342/trunk@218 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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checking for invalid page numbers, off-by-one error in flash page calculation, etc.)
git-svn-id: https://svn.openpcd.org:2342/trunk@215 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@207 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@206 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@205 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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- use S128 linker script if we build DFU for PCD
git-svn-id: https://svn.openpcd.org:2342/trunk@204 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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DFU occupies 0x00100000 - 0x00100fff in flash, application starts at 0x00101000.
DFU also occupies the first couple of bytes in SRAM, application starts at 0x00200024.
In order to produce a samba-flashable image, first build dfu.bin by typing
'make -f Makefule.dfu', succeeded by 'make TARGET=... DEBUG=... BOARD=...' and then
concatenating the two files together, e.g. cat dfu.bin main_reqa.bin > flash.bin.
Actual flashing via DFU is still not operational, but will be implemented next
git-svn-id: https://svn.openpcd.org:2342/trunk@194 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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git-svn-id: https://svn.openpcd.org:2342/trunk@191 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
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