Hi Michael,

On Mon, Jul 9, 2012 at 9:57 AM, Hornung, Michael <mhorn...@init-ka.de> wrote:

> +++ b/board/freescale/mx35pdk/imximage.cfg
>
> +BOOT_FROM      spi

Please see the Freescale U-boot, you missed the initialization of the CS5:

  //WEIM config-CS5 init
  DCDGEN(1, 4, 0xB8002050, 0x0000d843)
  DCDGEN(1_1, 4, 0xB8002054, 0x22252521)
  DCDGEN(1_2, 4, 0xB8002058, 0x22220a00)

> +# DDR2 init
> +DATA 4 0xB8001010 0x00000304
> +DATA 4 0xB8001010 0x0000030C
> +DATA 4 0xB8001004 0x007ffc3f
> +DATA 4 0xB8001000 0x92220000
> +DATA 4 0x80000400 0x12345678
> +DATA 4 0xB8001000 0xA2220000
> +DATA 4 0x80000000 0x87654321
> +DATA 4 0x80000000 0x87654321
> +DATA 4 0xB8001000 0xB2220000
> +DATA 1 0x80000233 0xda
> +DATA 1 0x82000780 0xda
> +DATA 1 0x82000400 0xda
> +DATA 4 0xB8001000 0x82226080
> +DATA 4 0xB8001004 0x007ffc3f
> +DATA 4 0xB800100C 0x007ffc3f
> +DATA 4 0xB8001010 0x00000304
> +DATA 4 0xB8001008 0x00002000
>
>
> --- a/board/freescale/mx35pdk/lowlevel_init.S
> +++ b/board/freescale/mx35pdk/lowlevel_init.S
>
> init_sdram_start:
>         /*init_sdram*/
> -       setup_sdram
> +  /* setup_sdram */
>
>
> And here the result (output on the serial line):
>
> ---------------------------------------------------------------------------------------------------
> U-Boot 2012.04.01-00077-g48bcd18-dirty (Jul 09 2012 - 15:22:31)
>
> CPU:   Freescale i.MX35 rev 2.1 at 532 MHz.
> Reset cause: POR
> I2C:   ready
> ----------------------------------------------------------------------------------------------------
>
> And that's it, no more output after "I2C:   ready".  Perhaps you have some 
> more hints about what to do?

Most likely it is because it will try to access the network, but you
missed to setup the CS5 as per the Freescale U-boot init sequence.

Regards,

Fabio Estevam
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