Hi Bo Shen, Thanks for your info.
On Fri, Jul 5, 2013 at 7:04 AM, Bo Shen <voice.s...@atmel.com> wrote: > Hi Jagan Teki, > > > On 7/5/2013 03:36, Jagan Teki wrote: >> >> Hi, >> >> Did anyone find this TX timeout issue on macb(gmac)? >> I observed this issue when i enable d-cache. >> >> Log: >> ---- >> zynq-uboot> ping 10.10.70.101 >> gmac0: PHY present at 7 >> gmac0: link up, 1000Mbps full-duplex (lpa: 0x3800) >> Using gmac0 device >> gmac0: TX timeout >> gmac0: TX timeout >> ping failed; host 10.10.70.101 is not alive > > > Sure, this will happen, as the macb driver is not worked with d-cache > enabled. Can you point any existing driver that have a d-cache working. > If you want to let the macb work with d-cache enable, you should modify the > driver. > > BTW, if you want to enable d-cache, the MMU must be enabled. Specific setup to enable to MMU, please point. I see that we need to write dram_bank_mmu_setup() and arm_init_domains() on d-cache enable code in soc folders is that true? please let me know your views. -- Thanks, Jagan. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
