[coreboot - Bug #521] (New) gizmosphere/gizmo2 development board VGA support not working

8oDE 03 <[email protected]>
Newsgroups gmane.linux.bios
Message-ID <[email protected]>
Issue #521 has been reported by 8oDE 03.

----------------------------------------
Bug #521: gizmosphere/gizmo2 development board VGA support not working
https://ticket.coreboot.org/issues/521

* Author: 8oDE 03
* Status: New
* Priority: High
* Category: board support
* Target version: none
* Start date: 2023-12-24
* Affected versions: 4.18
* Needs backport to: none
* Affected hardware: GizmoSphere Gizmo 2
----------------------------------------
I got a gizmo2 development board. the official hardware and software support stopped a long time ago and no BIOS source code was released.
I tried to compile coreboot firmware to support some new features. The latest supported coreboot version is 4.18.
I flashed and booted the gizmo2 development board, there is no video output during the coreboot startup phase, but it boots the OS normally and the OS has video output, I purchased a FT232H board for printing logs, and it seems like there are a lot of problems.

``` 
FMAP REGION: COREBOOT
Name                           Offset     Type           Size   Comp
cbfs_master_header             0x0        cbfs header        32 none
config                         0x80       raw               562 none
revision                       0x300      raw               720 none
build_info                     0x600      raw               103 none
spd.bin                        0x6c0      spd               128 none
fallback/dsdt.aml              0x780      raw              6172 none
cmos_layout.bin                0x2000     cmos_layout       616 none
fallback/postcar               0x22c0     stage           22312 none
payload_config                 0x7a40     raw              1621 none
payload_revision               0x80c0     raw               237 none
(empty)                        0x8200     null            31652 none
apu/amdfw                      0xfdc0     raw            135168 none
fallback/romstage              0x30e00    stage          387544 none
fallback/ramstage              0x8f880    stage          136240 LZMA (311716 decompressed)
pci1002,9830.rom               0xb0d40    optionrom       59392 none
fallback/payload               0xbf580    simple elf      72695 none
(empty)                        0xd11c0    null          3255268 none
bootblock                      0x3ebdc0   bootblock       16384 none
```




---Files--------------------------------
coreboot-4.18-bootlog.txt (25.9 KB)
.config (15.1 KB)


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