On Monday, May 26, 2014 at 01:48:14 PM, aking wrote: > On 5/26/2014 Monday 6:56 PM, Marek Vasut wrote: > > On Monday, May 26, 2014 at 12:28:49 PM, aking_jin wrote: > >> Hi, Marek > >> > >> On 2014/5/26 Mon 16:59, Marek Vasut wrote: > >>> On Monday, May 26, 2014 at 09:51:58 AM, aking_jin wrote: > >>>> Hi, marek > >>>> > >>>> I've seen on the Internet that pxa310 support SDHC up to 32GB, > >>>> but > >>>> > >>>> I'm using u-boot 2014.01, It could initialize OK. > >>>> > >>>> Device: PXA MMC > >>>> Manufacturer ID: 3 > >>>> OEM: 5344 > >>>> Name: SS08G > >>>> Tran Speed: 26000000 > >>>> Rd Block Len: 512 > >>>> SD version 3.0 > >>>> High Capacity: Yes > >>>> Capacity: 7.4 GiB > >>>> Bus Width: 4-bit > >>>> > >>>> It shows time out while reading block . Is there any particular > >>>> > >>>> process should be add? > >>> > >>> It is well possible that the driver is broken on PXA3xx . Note that > >>> mainline U- Boot doesn't really support PXA3xx . Are you working on > >>> PXA3xx support for mainline U-Boot ? > >> > >> I'm looking for support for pxa310 MMC SDHC . > >> > >> In the PXA310 SPEC: > >> The MMC module is based on the standards outlined in the > >> > >> MultiMediaCard System > >> Specification Version 3.3.1. The SD module manages one SD or SDIO card > >> based on the standards > >> outlined in the SD Memory Card Specification Version 1.10 and SDIO Card > >> Specification Version > >> 1.0 > >> > >> I'm doubting if the controller support SDHC (SD 2.0) ? > > > > The PXA27x controller works even with SDXC , that is tested. I suspect > > there might be some change in the PXA3xx controller, but I don't really > > know for sure. You'd have to check. > > Thank you for your answer. are you using SD mode or SPI Mode? which > version are you using?
I believe the pxa_mmc_gen.c is what needs to be used. There is no other PXA MMC driver in U-Boot mainline. I now noticed it has some basic monahans (pxa3xx) support too. > > Also, you didn't really answer my question with regards to porting U-Boot > > above. If you do that, use latest mainline, not 2014.01 . > > I just have to add SD support for my board, It's emergency. sorry for > that. Hmmm. Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
