Kuzmichev, Changing the seabios serial port base address, you should modify it via "make menuconfig" command, it's much easy and efficiency.
It's not recommended to modify the actual source files. -Fei On Tue, Jan 13, 2015 at 3:33 AM, Martin Roth <[email protected]> wrote: > Hi Viktor, > Yes, I think having option roms checked is probably required. The only > other thing I'd recommend is to build SeaBIOS outside of the coreboot > structure and pull it in as an elf payload. Building within coreboot is > handy, but it doesn't offer the flexibility or control that you get > building it yourself. > > Martin > > > On 01/12/2015 01:50 AM, Kuzmichev Viktor wrote: > >> On 11.01.2015 07:45, Martin Roth wrote: >> >>> On 01/10/2015 07:53 AM, Kevin O'Connor wrote: >>> >>>> On Thu, Dec 25, 2014 at 11:45:40AM +0300, Kuzmichev Viktor wrote: >>>> >>>>> Hello, >>>>> >>>>> I've been trying to boot grub installed on the hard drive using >>>>> coreboot and >>>>> SeaBIOS as a payload. The motherboard I'm using is Intel Mohon Peak. >>>>> Also, I >>>>> do not use VGA for output, only serial port. So, I included the >>>>> sgabios into >>>>> my rom file. Here is its layout: >>>>> >>>> It should have worked. How did you build SeaBIOS, what SeaBIOS config >>>> did you use, and what changes have you made to SeaBIOS? >>>> >>>> -Kevin >>>> >>>> As I recall, Mohon Peak uses 0x2f8 for the console serial port. Did >>> you set sgabios to output to 2f8 instead of 3f8 in sgabios.h? >>> >>> sgabios.h:#define COM_BASE_ADDR 0x3f8 >>> >>> Martin >>> >> Thank you for your replies! >> >> Just checked sgabios.h and changed serial port base address to 2f8. >> Somehow I missed it earlier, although I did set this parameter in both >> coreboot and SeaBIOS before. Sadly, I do not currently have access to Mohon >> Peak, so I can't really test this right now but, hopefully, I would be able >> to test this in a few days. >> Also, I'd like to clarify one more thing. Should Option ROMS parameter in >> SeaBIOS menuconfig be checked for sgabios to work? Are there any other >> nuances I should keep in mind? >> >> Viktor >> >> > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot >
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