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Diffstat (limited to 'freedom-maker/flashing-notes')
| -rw-r--r-- | freedom-maker/flashing-notes | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/freedom-maker/flashing-notes b/freedom-maker/flashing-notes new file mode 100644 index 0000000..def3f61 --- /dev/null +++ b/freedom-maker/flashing-notes @@ -0,0 +1,28 @@ +Jason <u-boot@lakedaemon.net> says: + + Sort of. The openocd config for the sheevaplug/guruplug is what I use, + and is distributed on the dreamplug download page [1]. It does _not_ + have support for the SPI flash. You can also use the sheevaplug.cfg + shipped with openocd. So, I use openocd or tftp to transfer to RAM, + then use u-boot to write to flash. + + To test images, or to reflash, I load the known-good u-boot into RAM via + openocd, then I'll either reflash it or load a new testing one from + there. + + To write a u-boot.kwb test image to flash, here is what I do: + + openocd$ sheevaplug_init + openocd$ load_image u-boot # known good from Marvell + openocd$ load_image u-boot.kwb 0x00800000 # monster I created + openocd$ resume 0x00600000 # run the known good + + then, in u-boot + + u-boot$ sf probe 0 + u-boot$ sf erase 0x0 0x100000 + u-boot$ sf write 0x00800000 0x0 0x100000 + + If time allows, I'd like to add SPI flash support to OpenOCD. + Unfortunately, time is short and the above process works. + |