How is "console" booting parameter transferred to linux? Could somebody point me out good docs for it, please?
Thanks,
Best Regards,
Daniel (Youngwhan) Song
On Tue, Dec 15, 2009 at 6:15 AM, abhijeet tripathi <abhijeet.tripathy@xxxxxxxxxxx> wrote:
--- On Tue, 15/12/09, Niamathullah sharief <newbiesha@xxxxxxxxx> wrote:
> From: Niamathullah sharief <newbiesha@xxxxxxxxx>
> Subject: Boting error in freescale board
> To: kernelnewbies@xxxxxxxxxxxx
> Date: Tuesday, 15 December, 2009, 3:22 PM
IIRC, you need to pass "console=<UART>,<BAUD-RATE>" in your kernel command line.> Hello,
> i am used pegetron freescale processor
> board. it that when i enter into minicom its not getting the
> correct booting....see this what i am getting .
>
> ariem@ariem-desktop:~$ minicom -s
>
>
>
> Welcome to minicom 2.3
>
> OPTIONS: I18n
> Compiled on Oct 24 2008, 06:37:44.
> Port /dev/ttyUSB0
>
> Press CTRL-A Z for help on special keys
>
>
>
>
> ++Initializing SPI-NOR flash...
>
> JEDEC ID: 0xbf:0x25:0x4a
>
> SPI NOR: block_size=0x10000, blocks=0x40, start=0x00000000,
> end=0x00400000
>
> ... Read from 0x1fef0000-0x1ff00000 at 0x00080000: .
> ... Read from 0x1fee3000-0x1fee4000 at 0x0008f000: .
> PMIC ID: 0x000041d0 [Rev: 2.0]
> [Warning] FEC not connect right PHY: ID=0
> FEC: [ HALF_DUPLEX ] [ disconnected ] [ 10M bps ]:
>
> Ethernet mxc_fec: MAC address 00:00:45:67:89:ab
> No IP info for device!
>
> Reset reason: Power-on reset
> fis/fconfig from SPI-NOR
> Boot switch: INTERNAL
>
> EXPANSION: SPI-NOR: eCSPI1
>
> RedBoot(tm) bootstrap and debug environment [ROMRAM]
> Non-certified release, version FSL 200910_P1 - built
> 16:07:20, Jul 15 2009
>
> Platform: MX51 Babbage (Freescale i.MX51 based) PASS 2.0
> [x32 DDR]
>
> Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
> Copyright (C) 2003, 2004, 2005, 2006 eCosCentric Limited
>
> RAM: 0x00000000-0x1ff00000, [0x00094fb8-0x1fee1000]
> available
> FLASH: 0x00000000 - 0x400000, 64 blocks of 0x00010000 bytes
> each.
>
> == Executing boot script in 1.000 seconds - enter ^C to
> abort
> RedBoot> pmic 15 0x00400022
> val: 0x00400022
>
> RedBoot> mfill -b 0x73f88000 -p 0x01025200 -l 0x04 -4
> RedBoot> mfill -b 0x73f84000 -p 0x20 -l 0x04 -4
>
> RedBoot> fis load kernel
> ... Read from 0x1fef0000-0x1feff000 at 0x00080000: .
> ... Read from 0x00100000-0x00380000 at 0x00100000: .
> RedBoot> e -c "root=/dev/sda1 ro quite
> splash"
> entry=0x90008000, target=0x90008000
>
> Using base address 0x00100000 and length 0x00280000
> Uncompressing
> Linux................................................................................................................................
e.g.: console=ttyS0,115200n8
Best regards,
> done, bo.
>
>
> after this i am not getting anything.what to
> do?
>
Abhijeet
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