[U-Boot-Users] MPC8272ADS and uboot program check

Dan Poirot
2004-09-15T14:08:52Z

> > After some days working ok with my MPC8272ADS board, now it keeps rebooting
> > all the time with a Program Check report. It has arrived after a hang.
> >
> > I have been checking the output as this is all the information i have at the
> > moment. I have realized that clock reporting is incoherent (the true one is
> > cpu_clk=400Mhz), so i wonder if it has any relation.
>
>
> Looks like broken hardware to me. ESD?
>
> Best regards,
>
> Wolfgang Denk

I get the same thing when I mount a new MPC8272 part labled:
MPC8272ZQTIEA
400/200/100 MHZ

I wonder if the PVR value has changed for newer chips.

U-Boot 1.1.2 (Sep 8 2004 - 13:02:09)

MPC8272 Reset Status: External Soft, External Hard

MPC8272 Clock Configuration
- Bus-to-Core Mult 3.5x, VCO Div 2, 60x Bus Freq 30-85 , Core Freq 100-300
- dfbrg 1, corecnf 0x1e, busdf 3, cpmdf 1, plldf 0, pllmf 3
- vco_out 800000000, scc_clk 200000000, brg_clk 50000000
- cpu_clk 350000000, cpm_clk 400000000, bus_clk 100000000
- pci_clk 133333333

CPU: ### ERROR ### Please RESET the board ###

My old part gives:

U-Boot 1.1.2 (Sep 8 2004 - 13:02:09)

MPC8272 Reset Status: Check Stop, External Soft, External Hard

MPC8272 Clock Configuration
- Bus-to-Core Mult 3.5x, VCO Div 2, 60x Bus Freq 30-85 , Core Freq 100-300
- dfbrg 1, corecnf 0x0e, busdf 3, cpmdf 1, plldf 0, pllmf 3
- vco_out 400000000, scc_clk 100000000, brg_clk 25000000
- cpu_clk 350000000, cpm_clk 200000000, bus_clk 100000000
- pci_clk 66666666

CPU: MPC8272 (HiP7 Rev 13, Mask 0.0 0K50M) at 350 MHz
Board: Motorola MPC8272ADS
DRAM: 64 MB
FLASH: 8 MB
*** Warning - bad CRC, using default environment

In: serial
Out: serial
Err: serial
Net: FCC2 ETHERNET
Hit any key to stop autoboot: 0
=>

- dan