Hi On Wed, Apr 8, 2015 at 3:22 PM, Marco Cavallini <cavallini.k...@gmail.com> wrote: > 2015-04-03 16:26 GMT+02:00 Michael Trimarchi <mich...@amarulasolutions.com>: >> Hi >> >> Increase the divisor of the clock >> >> MXC_CCM_CSCDR1_USDHC[X]_PODF_MASK >> MXC_CCM_CSCDR1_USDHC[X]_PODF_OFFSET >> >> I'm not sure because I have not a board and no time before Easter >> to open documentation ;) >> >> Michael >> > > > > Hi Michael, > the register CCM_CSCDR1 did the trick, thank you. > Unfortunately on the buggy hardware I have the same problem (printed below). > > ========= > > On the working board > >> md.l 020c4024 1 > >> clocks > PLL_SYS 792 MHz > PLL_BUS 528 MHz > PLL_OTG 480 MHz > PLL_NET 50 MHz > > IPG 66000 kHz > UART 80000 kHz > AHB 132000 kHz > AXI 198000 kHz > DDR 396000 kHz > USDHC1 198000 kHz > USDHC2 198000 kHz > USDHC3 198000 kHz > USDHC4 198000 kHz > EMI SLOW 99000 kHz > IPG PERCLK 66000 kHz > >> run loadk > reading uImage > 5157968 bytes read in 454 ms (10.8 MiB/s) > > Increased divisor below: > >> mw.l 020c4024 00790b00 > >> clocks > PLL_SYS 792 MHz > PLL_BUS 528 MHz > PLL_OTG 480 MHz > PLL_NET 50 MHz > > IPG 66000 kHz > UART 80000 kHz > AHB 132000 kHz > AXI 198000 kHz > DDR 396000 kHz > USDHC1 198000 kHz > USDHC2 198000 kHz > USDHC3 49500 kHz <-------
Try 25Mhz Michael > USDHC4 198000 kHz > EMI SLOW 99000 kHz > IPG PERCLK 66000 kHz > >> run loadk > reading uImage > 5157968 bytes read in 882 ms (5.6 MiB/s) <--- slower upload into memory > > ========= > > On the buggy board : ERROR > >> fatload mmc 0:1 0x12000000 uImage > reading uImage > Error reading cluster > ** Unable to read file uImage ** >> fatload mmc 0:1 0x12000000 uImage > ** Can't read partition table on 0:0 ** > ** Invalid partition 1 ** >> fatload mmc 0:1 0x12000000 uImage > ** Can't read partition table on 0:0 ** > ** Invalid partition 1 ** > > Ciao > -- > Marco > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot