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* brcm47xx: relocate the stack in loaderHauke Mehrtens2017-10-112-2/+4
| | | | | | | | | | | By default we are reusing the stack provided by CFE, like it is intended by CFE. On my WRT54GS it is located at 0x8043BF30, so a big kernel image could overwrite it. Relocate it to a different memory region which is still under the 8MB RAM, but in the higher area. We only need this memory region for the stack of the loader, Linux will set up this for its own. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* brcm47xx: relocate loader to higher addressHauke Mehrtens2017-10-111-1/+1
| | | | | | | | | | | | | | | | | | | | | The boot process on a WRT54GL works the following way: 1. CFE gets loaded by the boot rom from flash 2. CFE loads the loader from the flash and gzip uncompresses it 3. CFE starts the loader 4. The loader stores the FW arguments and relocates itself to BZ_TEXT_START (now 0x80600000) 5. The loader reads the Linux image from flash 6. The loader lzma decompresses the Linux image to LOADADDR (0x80001000) 7. The loader executes the uncompress Linux image at LOADADDR The BZ_TEXT_START was set to 0x80400000 before. When the kernel gets uncompressed and is bigger than BZ_TEXT_START - LOADADDR it overwrote the loader which was currently uncompressing it and made the board crash. Increase the BZ_TEXT_START my 2 MB to have more space for the kernel. Even on 16MB RAM devices the memory goes till 0x80FFFFFF so this should not be a problem. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* brcm47xx: lzma-loader: fix cache invalidationGabor Juhos2016-03-211-4/+4
| | | | | | | | | | | | | | | The current code only partially invalidates both caches because the cache size and cache-line size values are incorrectly passed to the C code. Fix the assembly code to pass the arguments in the correct order. Compile tested only. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 49060
* brcm47xx: lzma-loader: remove trailing whitespaces from head.SGabor Juhos2016-03-211-9/+9
| | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 49059
* brcm47xx: Add edimax PS1208mfg supportHauke Mehrtens2010-12-021-1/+8
| | | | | | Thank you clemvangelis for the patches. (closes #7672) SVN-Revision: 24217
* add back the base-files/image code from brcm-2.4 to brcm47xxFelix Fietkau2010-06-268-0/+1271
SVN-Revision: 21945