Hello h42 If you are using Tianocore you must use VESA framebuffer If Seabios use text mode
Jose ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On August 14, 2018 2:41 PM, <[email protected]> wrote: > I dont get anything on the screen from coreboot. The later os is > displaying fine. > > How i build the image: ran on a fresh git cloned (from today) 'make > menuconfig', chose just the mainboard manufacturer and the model, press > esc, confirmed saving, ran 'make'. I installed this image and dont get > any coreboot output on the screen. When i wait long enough, i get the > output from the Linux OS on the screen. > > From the coreboot logfile: > > coreboot-4.8-1195-gb75a08b199 > [...] > FMAP: Found "FLASH" version 1.1 at 0. > FMAP: base = fff00000 size = 100000 #areas = 4 > FMAP: area RW_MRC_CACHE found @ 10000 (65536 bytes) > MRC: No data in cbmem for 'RW_MRC_CACHE'. > BS: BS_DEV_ENUMERATE times (us): entry 0 run 150329 exit 16016 > found VGA at PCI: 00:02.0 > Setting up VGA for PCI: 00:02.0 > Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 > Setting PCI_BRIDGE_CTL_VGA for bridge Root Device > Allocating resources... > Reading resources... > TOUUD 0x80000000 TOLUD 0x80000000 TOM 0x80000000 > IGD decoded, subtracting 64M UMA and 4M GTT > TSEG decoded, subtracting 8M > Available memory below 4GB: 1972M > Adding UMA memory area base=0x7b400000 size=0x04c00000 > Adding PCIe config bar base=0xe0000000 size=0x10000000 > Done reading resources. > [...] > [21.707417] CONFIG => > [21.709411] (Primary => > [21.711924] (Port => Analog , > [21.715130] Framebuffer => > [21.718076] (Width => 640, > [21.721542] Height => 400, > [21.725008] Start_X => 0, > [21.728301] Start_Y => 0, > [21.731594] Stride => 1, > [21.734886] V_Stride => 1, > [21.738179] Tiling => Linear , > [21.741993] Rotation => No_Rotation, > [21.746153] Offset => 0xffffffff, > [21.749966] BPC => 8), > [21.753085] Mode => > [21.755424] (Dotclock => 148500000, > [21.760192] H_Visible => 1920, > [21.764524] H_Sync_Begin => 2008, > [21.768857] H_Sync_End => 2052, > [21.773190] H_Total => 2200, > [21.777523] V_Visible => 1080, > [21.781857] V_Sync_Begin => 1084, > [21.786189] V_Sync_End => 1089, > [21.790522] V_Total => 1125, > [21.794855] H_Sync_Active_High => True, > [21.799189] V_Sync_Active_High => True, > [21.803521] BPC => 5)), > [21.807767] Secondary => > [21.810281] (Port => Disabled, > [21.813487] Framebuffer => > [21.816433] (Width => 1, > [21.819727] Height => 1, > [21.823020] Start_X => 0, > [21.826313] Start_Y => 0, > [21.829605] Stride => 1, > [21.832899] V_Stride => 1, > [21.836193] Tiling => Linear , > [21.840006] Rotation => No_Rotation, > [21.844166] Offset => 0x00000000, > [21.847979] BPC => 8), > [21.851098] Mode => > [21.853438] (Dotclock => 24000000, > [21.858118] H_Visible => 1, > [21.862191] H_Sync_Begin => 1, > [21.866263] H_Sync_End => 1, > [21.870336] H_Total => 1, > [21.874409] V_Visible => 1, > [21.878482] V_Sync_Begin => 1, > [21.882555] V_Sync_End => 1, > [21.886629] V_Total => 1, > [21.890702] H_Sync_Active_High => False, > [21.895121] V_Sync_Active_High => False, > [21.899541] BPC => 5)), > [21.903787] Tertiary => > [21.906300] (Port => Disabled, > [21.909507] Framebuffer => > [21.912453] (Width => 1, > [21.915746] Height => 1, > [21.919039] Start_X => 0, > [21.922331] Start_Y => 0, > [21.925624] Stride => 1, > [21.928918] V_Stride => 1, > [21.932211] Tiling => Linear , > [21.936023] Rotation => No_Rotation, > [21.940183] Offset => 0x00000000, > [21.943996] BPC => 8), > [21.947116] Mode => > [21.949455] (Dotclock => 24000000, > [21.954135] H_Visible => 1, > [21.958207] H_Sync_Begin => 1, > [21.962280] H_Sync_End => 1, > [21.966353] H_Total => 1, > [21.970427] V_Visible => 1, > [21.974499] V_Sync_Begin => 1, > [21.978572] V_Sync_End => 1, > [21.982646] V_Total => 1, > [21.986719] H_Sync_Active_High => False, > [21.991138] V_Sync_Active_High => False, > [21.995557] BPC => 5))); > > PCI: 00:02.0 init finished in 307222 usecs > PCI: 00:02.1 init ... > PCI: 00:02.1 init finished in 2009 usecs > PCI: 00:1b.0 init ... > [...] > > So it seems to have detected that my screen is 1920*1080. GPU + screen > detection seems to be working. But i dont get any coreboot output on the > screen. > The output had worked fine on this screen with the OEM BIOS. > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > > coreboot mailing list: [email protected] > https://mail.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: [email protected] https://mail.coreboot.org/mailman/listinfo/coreboot
