On Tue, 17 Feb 2015 04:46:16 -0600 Ron_Taylor@DELL.com wrote:
0x54: 0x000f0000 FREG0: Warning: Flash Descriptor region (0x00000000-0x0000ffff) is read-only. 0x58: 0x07ff0200 FREG1: BIOS region (0x00200000-0x007fffff) is read-write.
The problem is that the flash descriptor regions do not cover the whole flash chip. There is a hole between 0x10000 and 0x1fffff (and the second half of the chip is not mapped either). The chipset does not allow accessing these holes but flashrom does try it by default anyway because it reads the complete chip.
With some patching of flashrom this can be avoided but there is no ready solution as far as I know. There are some patches regarding layout handling that might be part of a possible solution, cf. http://patchwork.coreboot.org/project/flashrom/list/