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2019-09-04mainboard/amd: Add padmelon board codeRichard Spiegel
Padmelon board code was written for Merlin Falcon (family 15h models 60h-6fh), but as the needed binaries are not yet merged (commit 33615), a config HAVE_MERLINFALCON_BINARIES was added. If the binaries are not available, the board defaults to Prairie Falcon, which use the same binaries as Stoney Ridge. Once the binaries are merged, the config will be eliminated. Fan control is done through F81803A SIO, and IRQ/GPIO and other board characteristics are the same regardless of Merlin Falcon or Prairie Falcon. Padmelon board was created to accept Prairie Falcon, Brown Falcon and Merlin Falcon. The requested development was for Merlin Falcon. There are some small spec changes (such as number of memory channels) between SOCs. Brown Falcon was not investigated, Prairie Falcon is very similar to Stoney Ridge. Started from Gardenia code, added changes created by Marc Jones and finally revised against schematic, which added changes to GPIO settings. BUG=none. TEST=Both versions tested and boot to Linux using SeaBIOS. Change-Id: I5a366ddeb4cfebd177a8744f6edb87aecd4787dd Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33993 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>