Hi guys,
This question may be mostly directed to Sandeep Paulraj, the TI tree maintainer, but is also observed in the mainline...
I've had great success with U-Boot on many ADI BF5xx devices, but I'm having considerably less fun with the TI DM365.
I've a DM365EVM board - the stock U-Boot binary from the PSP 3.10 distribution from TI works ok, but has no SPI ('sf') support, so I need to build that in for starters (ultimately we're designing a custom board with only SPI flash - no NAND).
My problem is that even building the 2009.11 release, the current mainline revision (ie 2010.02 prerelease), or the u-boot-ti mainline, the EMAC fails and instantly reboots the board... with no mods made to U-Boot... just a build out of the box fails this way:
git clone git://git.denx.de/u-boot-ti.git cd u-boot-ti make davinci_dm365evm_config make
...then flash on to my board using the sfh_DM36x.exe utility with the UBL from the PSP 3.10 distribution... and boot up...
DM36x initialization passed! TI UBL Version: 1.50 Booting Catalog Boot Loader BootMode = NAND Starting NAND Copy... Valid magicnum, 0xA1ACED66, found in block 0x0000001A. DONE Jumping to entry point at 0x81080000.
U-Boot 2009.11-00988-g2a6e256 (Feb 23 2010 - 13:50:13)
I2C: ready DRAM: 128 MB NAND: 2048 MiB (snipped out lots of nand BBT details here from this email) *** Warning - bad CRC or NAND, using default environment
Net: Hit any key to stop autoboot: 0 DM365 EVM # dhcp DM36x initialization passed! TI UBL Version: 1.50 Booting Catalog Boot Loader
As you can see, as soon as I "dhcp", the board is rebooting. The same happens if I set "ipaddr" and "netmask" then attempt a tftp or ping.
My expectation was that this stuff would work fine out of the box and clearly isn't for me -- I hope this is just something I'm doing wrong here and that someone is able to confirm that the code's kosher and maybe pointers as to what I could have done wrong?
I do notice that the "Net: " line above has no further detail, wheras the TI PSP binary version says "Ethernet PHY: GENERIC @ 0x00" (I've not managed to get a 2009.03 build of my own to run on DM365 to compare yet... that's the version TI supplied as binary somehow)
My second question is about the DaVinci SPI flash support in U-Boot. I've replaced the 64K SPI flash on the DM365EVM with a larger part, which works just fine from my self-build Linux kernel, so I know the device itself is fine. All attempts to utilise this from U-Boot are failing. I realise the SPI DaVinci SPI flash driver is rather new - wondering what the expectations of this driver are in terms of stability and testing?
Many thanks for all the great work by everyone on the U-Boot project; It's certainly been an invaluable asset for us on Blackfin and I hope we'll be able to get it playing nicely on DaVinci too!
Thanks, Ian.