[coreboot] riscv: how to running coreboot on HiFive Unleashed?

Jonathan Neuschäfer j.neuschaefer at gmx.net
Sat Dec 1 14:29:24 CET 2018


Hi again,

On Tue, Nov 27, 2018 at 12:20:53PM +0800, 王翔 wrote:
> > coreboot-4.8-2282-gc88828daeb Mon Nov 26 09:56:26 UTC 2018 bootblock starting...
> > Boot mode: 15
> > Couldn't load romstage.

I just tried the same version (coreboot-4.8-2282-gc88828daeb), and it
worked, both with a 1 MiB coreboot image and a 32 MiB coreboot image:

    coreboot-4.8-2282-gc88828daeb Mon Nov 26 09:56:26 UTC 2018 bootblock starting...
    Boot mode: 15
    CBFS: 'Master Header Locator' located CBFS at [20100:2000000)
    CBFS: Locating 'fallback/romstage'
    CBFS: Found @ offset 80 size 2dca


    CBMEM:ot-4.8-2282-gc88828daeb Mon Nov 26 09:56:26 UTC 2018 romstage starting...
    IMD: root @ 000000027ffff000 254 entries.
    IMD: root @ 000000027fffec00 62 entries.
    CBFS: 'Master Header Locator' located CBFS at [20100:2000000)
    CBFS: Locating 'fallback/ramstage'
    CBFS: Found @ offset 2ec0 size 532f


    coreboot-4.8-2282-gc88828daeb Mon Nov 26 09:56:26 UTC 2018 ramstage starting...
    BS: BS_PRE_DEVICE times (us): entry 0 run 0 exit 1
    BS: BS_DEV_INIT_CHIPS times (us): entry 1 run 0 exit 0
    Enumerating buses...
    CPU_CLUSTER: 0 enabled
    scan_bus: scanning of bus Root Device took 2050 usecs
    done
    BS: BS_DEV_ENUMERATE times (us): entry 1 run 9289 exit 1
    Allocating resources...
    Reading resources...
    CPU_CLUSTER: 0 missing read_resources
    Done reading resources.
    Setting resources...
    Done setting resources.
    Done allocating resources.
    BS: BS_DEV_RESOURCES times (us): entry 0 run 16149 exit 0
    Enabling resources...
    done.
    BS: BS_DEV_ENABLE times (us): entry 0 run 2605 exit 0
    Initializing devices...
    Root Device init ...
    Root Device init finished in 1910 usecs
    Devices initialized
    BS: BS_DEV_INIT times (us): entry 0 run 9464 exit 0
    Finalize devices...
    Devices finalized
    BS: BS_POST_DEVICE times (us): entry 0 run 3473 exit 0
    BS: BS_OS_RESUME_CHECK times (us): entry 0 run 1 exit 0
    Writing coreboot table at 0x27ffdc000
     0. 0000000080000000-0000000080011fff: RAMSTAGE
     1. 0000000080012000-000000008003ffff: RAM
     2. 0000000080040000-0000000080044fff: RAMSTAGE
     3. 0000000080045000-000000027ffdbfff: RAM
     4. 000000027ffdc000-000000027fffffff: CONFIGURATION TABLES

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000de2
    Bad address:        000000027ffdc0f4
    Stored ra:          0000000080000d36
    Stored sp:          0000000080040ec8
    CBFS: 'Master Header Locator' located CBFS at [20100:2000000)

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d6a
    Bad address:        000000027ffdc10c
    Stored ra:          0000000080000d66
    Stored sp:          0000000080040ec8

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d6e
    Bad address:        000000027ffdc114
    Stored ra:          0000000080000d66
    Stored sp:          0000000080040ec8

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d74
    Bad address:        000000027ffdc11c
    Stored ra:          0000000080000d66
    Stored sp:          0000000080040ec8

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d7e
    Bad address:        000000027ffdc0fc
    Stored ra:          0000000080000d66
    Stored sp:          0000000080040ec8

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d82
    Bad address:        000000027ffdc104
    Stored ra:          0000000080000d66
    Stored sp:          0000000080040ec8
    FMAP: Found "FLASH" version 1.1 at 20000.
    FMAP: base = 0 size = 2000000 #areas = 4

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080000d8e
    Bad address:        000000027ffdc104
    Stored ra:          0000000080000d8a
    Stored sp:          0000000080040ec8

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080001c68
    Bad address:        000000027ffdc124
    Stored ra:          0000000080001c66
    Stored sp:          0000000080040e58

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080001c72
    Bad address:        000000027ffdc12c
    Stored ra:          0000000080001c72
    Stored sp:          0000000080040e58

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080001c68
    Bad address:        000000027ffdc13c
    Stored ra:          0000000080001c66
    Stored sp:          0000000080040e58

    Exception:          Store address misaligned
    Previous mode:      machine
    Bad instruction pc: 0000000080001c72
    Bad address:        000000027ffdc144
    Stored ra:          0000000080001c72
    Stored sp:          0000000080040e58
    Wrote coreboot table at: 000000027ffdc000, 0x13c bytes, checksum fd30
    coreboot table: 340 bytes.
    IMD ROOT    0. 000000027ffff000 00001000
    IMD SMALL   1. 000000027fffe000 00001000
    CONSOLE     2. 000000027ffde000 00020000
    COREBOOT    3. 000000027ffdc000 00002000
    IMD small region:
      IMD ROOT    0. 000000027fffec00 00000400
    BS: BS_WRITE_TABLES times (us): entry 0 run 285035 exit 0
    CBFS: 'Master Header Locator' located CBFS at [20100:2000000)
    CBFS: Locating 'fallback/payload'
    CBFS: 'fallback/payload' not found.
    Payload not loaded.


One thing I did differently was to program the flash via OpenOCD[1],
rather than from Linux like you did it. Maybe something is broken in
Linux or flashcp?


Jonathan


[1]: https://doc.coreboot.org/mainboard/sifive/hifive-unleashed.html#usb-jtag
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