Hello, I got the following output via RS232 console: ------------------------------------------------------------------------------ coreboot-4.9-539-gde3ace0-dirty Mon Jan 28 13:44:10 UTC 2019 romstage starting (log level: 7)... RTC Init Starting the Intel FSP (early_init) CBFS: 'Master Header Locator' located CBFS at [200:200000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 7940 size cc00 microcode: sig=0x30679 pf=0x1 revision=0x90a PM1_STS = 0x2100 PM1_CNT = 0x0 GEN_PMCON1 = 0x45008 prev_sleep_state = S5 Configure Default UPD Data PcdMrcInitSPDAddr1: 0xa0 (default) PcdMrcInitSPDAddr2: 0xa2 (default) PcdSataMode: 0x01 (set) PcdLpssSioEnablePciMode: 0x01 (default) PcdMrcInitMmioSize: 0x800 (default) PcdIgdDvmt50PreAlloc: 0x02 (default) PcdApertureSize: 0x02 (default) PcdGttSize: 0x02 (default) SerialDebugPortAddress: 0x3f8 (default) SerialDebugPortType: 0x01 (default) PcdMrcDebugMsg: 0x00 (default) PcdSccEnablePciMode: 0x01 (default) IgdRenderStandby: 0x00 (default) TxeUmaEnable: 0x00 (default) PcdOsSelection: 0x04 (default) PcdEMMC45DDR50Enabled: 0x01 (default) PcdEMMC45HS200Enabled: 0x00 (default) PcdEMMC45RetuneTimerValue: 0x08 (default) PcdEnableIgd: 0x01 (default) AutoSelfRefreshEnable: 0x00 (default) APTaskTimeoutCnt: 0x00 (default) GTT Size: 2 MB Tseg Size: 8 MB Aperture Size: 256 MB IGD Memory Size: 64 MB MMIO Size: 2048 MB MIPI/ISP: Disabled Sdio: Enabled Sdcard: Enabled SATA: Enabled SIO Dma 0: Enabled SIO I2C0: Enabled SIO I2C1: Enabled SIO I2C2: Enabled SIO I2C3: Enabled SIO I2C4: Enabled SIO I2C5: Enabled SIO I2C6: Enabled Azalia: Enabled SIO Dma1: Enabled Pwm0: Enabled Pwm1: Enabled Hsuart0: Enabled Hsuart1: Enabled Spi: Enabled Lpe: Disabled eMMC Mode: eMMC 4.5 SATA Mode: AHCI Xhci: Enabled ----------------------------------------------------------------------------------------- And then - nothing. It seems payload is not running. Currently SeaBIOS is enabled.
My goal it to boot vanilla linux with grub (or grub2) via RS232 console only. With the original BIOS I got from vendor, I used knoppix to burn grub on the SATA disk. If coreboot is running grub, how should I burn grub ? Is it part of coreboot image ? Thank you, Zvika
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