Evgeny Zinoviev has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/39761 ) Change subject: Doc/mb/lenovo/montevina_series: Describe GbE generating ...................................................................... Doc/mb/lenovo/montevina_series: Describe GbE generating Instead of using the gbe region extracted from stock dump, one may want to generate the new one. util/bincfg can do that, but it's not documented anywhere yet. This patch describes how to do that along with changing the MAC address. Change-Id: I9318514b125b53f8ad76ad99755690ec6f681441 Signed-off-by: Evgeny Zinoviev <me@ch1p.io> --- M Documentation/mainboard/lenovo/montevina_series.md 1 file changed, 30 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/61/39761/1 diff --git a/Documentation/mainboard/lenovo/montevina_series.md b/Documentation/mainboard/lenovo/montevina_series.md index 62e8796..39dee2f 100644 --- a/Documentation/mainboard/lenovo/montevina_series.md +++ b/Documentation/mainboard/lenovo/montevina_series.md @@ -33,6 +33,9 @@ $ ifdtool -x backup.rom ``` +Note that you can also [generate new GbE region](#generating-gbe-region) and use +it instead. + Now you need to patch the flash descriptor. You can either [modify the one from your backup with **ifdtool**](#modifying-flash-descriptor-using-ifdtool), or [generate a completely new one with **bincfg**](#creating-a-new-flash-descriptor-using-bincfg). @@ -122,6 +125,7 @@ (/path/to/flashregion_0_flashdescriptor.bin) Path and filename of the descriptor.bin file [*] Add gigabit ethernet configuration + # Note: if you used bincfg, specify path to generated util/bincfg/flashregion_3_gbe.bin (/path/to/flashregion_3_gbe.bin) Path to gigabit ethernet configuration ``` @@ -136,6 +140,32 @@ # flashrom -p YOUR_PROGRAMMER -w coreboot.rom --ifd -i bios ``` +## Generating GbE region + +GbE region contains configuration data for Intel integrated Gigabit Ethernet. +You can generate new GbE Region by using **bincfg**. To do that, go to +`util/bincfg`. + +It's good idea to set MAC address first, so open then `gbe-ich9m.set` file and +change values of `macaddress0` .. `macaddress5` fields. For example, if you want +to set MAC address to `00:01:02:03:04:05`: + +``` + "macaddress0" = 0x0, + "macaddress1" = 0x1, + "macaddress2" = 0x2, + "macaddress3" = 0x3, + "macaddress4" = 0x4, + "macaddress5" = 0x5 +``` + +Then run: +```console +$ make gen-gbe-ich9m +``` + +The new GbE region will be saved to `flashregion_3_gbe.bin`. + ## Flash layout The flash layouts of the OEM firmware are as follows: -- To view, visit https://review.coreboot.org/c/coreboot/+/39761 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I9318514b125b53f8ad76ad99755690ec6f681441 Gerrit-Change-Number: 39761 Gerrit-PatchSet: 1 Gerrit-Owner: Evgeny Zinoviev <me@ch1p.io> Gerrit-MessageType: newchange