Re: SD card experts wanted

2012-08-30 Thread Juergen Beisert
Hi Johannes, Johannes Stezenbach wrote: > On Thu, Aug 30, 2012 at 03:08:19PM +0200, Juergen Beisert wrote: > > Johannes Stezenbach wrote: > > > MMC has the following speed modes: > > > > > > - legacy 0-26MHz > > > - high speed SDR 0-52MHz > > > - high speed DDR 0-52MHz > > > - HS200 SDR 0-200MHz >

Re: SD card experts wanted

2012-08-30 Thread Johannes Stezenbach
Hi, On Thu, Aug 30, 2012 at 03:08:19PM +0200, Juergen Beisert wrote: > Johannes Stezenbach wrote: > > > > MMC has the following speed modes: > > > > - legacy 0-26MHz > > - high speed SDR 0-52MHz > > - high speed DDR 0-52MHz > > - HS200 SDR 0-200MHz > > Ahh, here come the curious 26 MHz and 52 MHz

Re: SD card experts wanted

2012-08-30 Thread Juergen Beisert
Hi Johannes, Johannes Stezenbach wrote: > On Wed, Aug 29, 2012 at 11:17:03PM +0200, Juergen Beisert wrote: > > any SD/MMC card experts here? I have trouble with the current SD/MMC > > detection code in Barebox. > > The function sd_change_freq() in the file 'drivers/mci/mci-core.c' tries > > to det

Re: SD card experts wanted

2012-08-30 Thread Johannes Stezenbach
Hi, On Wed, Aug 29, 2012 at 11:17:03PM +0200, Juergen Beisert wrote: > any SD/MMC card experts here? I have trouble with the current SD/MMC > detection > code in Barebox. > The function sd_change_freq() in the file 'drivers/mci/mci-core.c' tries to > detect the max. transfer frequency the attac

Re: SD card experts wanted

2012-08-29 Thread Jean-Christophe PLAGNIOL-VILLARD
On 23:17 Wed 29 Aug , Juergen Beisert wrote: > Hi there, > > any SD/MMC card experts here? I have trouble with the current SD/MMC > detection > code in Barebox. > The function sd_change_freq() in the file 'drivers/mci/mci-core.c' tries to > detect the max. transfer frequency the attached ca

SD card experts wanted

2012-08-29 Thread Juergen Beisert
Hi there, any SD/MMC card experts here? I have trouble with the current SD/MMC detection code in Barebox. The function sd_change_freq() in the file 'drivers/mci/mci-core.c' tries to detect the max. transfer frequency the attached card can handle. Nothing special here, but the following line in