[U-Boot] i.MX28 u-boot SPL fail

[Fabio Estevam]

Hi Marco,

[Please keep the list on Cc.]


On Sat, Feb 21, 2015 at 11:13 AM, Marco Cavallini
<cavallini.koan at gmail.com> wrote:

> Hi Fabio,
> I moved to u-boot GIT master today (21 Feb 2015)
> I set up my DDR settings, defined the following:
> #define CONFIG_SPL_SERIAL_SUPPORT
> #define CONFIG_SYS_MXS_VDD5V_ONLY
> #define DEBUG
>
> This is the output log which hangs with "Undefined Ins"
> What is missing?
>
>
>
> SPL: Serial Console Initialised
> SPL: Initialising Power Block
> SPL: Switching CPU clock to 24MHz XTAL
> SPL: Setting auto-restart bit
> SPL: Setting VDDD 25mV below DC-DC converters
> SPL: Setting VDDA 25mV below DC-DC converters
> SPL: Setting VDDIO 25mV below DC-DC converters
> SPL: Starting 5V input detection comparator
> SPL: Starting battery voltage measurement logic
> SPL: Initialisating LRADC
> SPL: Enabling LRADC battery measurement
> SPL: LRADC channel 7 is present - configuring
> SPL: LRADC channel 7 configuration complete
> SPL: Configuring power source
> SPL: Pre-Configuring power block
> SPL: Battery Voltage = 752mV
> SPL: Battery Voltage = 752mV
> SPL: Battery Voltage = 4192mV
> SPL: Battery Voltage too high
> SPL: Configuring power block to boot from 5V input
> SPL: 5V VDD good
> SPL: Booting from 5V supply
> SPL: Powering up 4P2 regulator
> SPL: Configuring common 4P2 regulator params
> SPL: Enabling 4P2 regulator
> SPL: Charging 4P2 capacitor
> SPL: Disabling 4P2 DC-DC Input
> SPL: Setting 4P2 brownout level
> SPL: Battery Voltage = 0mV
> SPL: Switching DC-DC converters to 4P2
> SPL: Enabling 4P2 DC-DC Input
> SPL: 4P2 regulator powered-up
> SPL: Switching CPU core clock source to PLL
> SPL: Initialising battery brown-out level to 3.0V
> SPL: Switching VDDD to DC-DC converters
> SPL: Enabling output rail protection
> SPL: Setting VDDIO to 3V3 (brownout @ 3v15)
> SPL: Setting VDDD to 1V5 (brownout @ 1v0)
> SPL: Initialising FRAC0
> SPL: FRAC0 Initialised
> SPL: Configuring VDDA
> SPL: Initialising mx28 SDRAM Controller
> SPL: Setting mx28 board specific SDRAM parameters
> SPL: Applying SDRAM parameters
> SPL: Setting CPU and HBUS clock frequencies
> LLC
> Undefined Ins

Can you share your patch? What are the "Setting mx28 board specific
SDRAM parameters" you did?

Also, how do you power your board? Are you using battery?