Hello Guys, I have simiar issue with SDIO wifi adapter. Could you confirm SDIO functionality on BBB?
-Vyacheslav пятница, 1 февраля 2019 г. в 06:01:41 UTC+3, [email protected]: > > > On Wednesday, January 23, 2019 at 6:01:29 PM UTC+5:30, annapurna > bommakanti wrote: >> >> >> Hi All, >> >> I am able to interface a SDIO module to the mmc3 by modifying the DTS >> file. >> I am able to detect as SDIO on mmc3. But the CM53 fails while trying to >> load firmware on to the module. >> >> info of the MMC2: >> >> root@am335x-evm:~# cat /sys/kernel/debug/mmc2/ios q >> clock: 50000000 Hz >> vdd: 21 (3.3 ~ 3.4 V) >> bus mode: 2 (push-pull) >> chip select: 0 (don't care) >> power mode: 2 (on) >> bus width: 2 (4 bits) >> timing spec: 2 (sd high-speed) >> signal voltage: 0 (3.30 V) >> driver type: 0 (driver type B) >> root@am335x-evm:~# cat /sys/kernel/debug/mmc2/ios >> clock ios mmc2:0001/ regs >> root@am335x-evm:~# cat /sys/kernel/debug/mmc2/ >> clock ios mmc2:0001/ regs >> root@am335x-evm:~# cat /sys/kernel/debug/mmc2/regs >> mmc2: >> sdio irq mode polling >> ctx_loss: 1 >> >> regs: >> CON: 0x00000600 >> PSTATE: 0x01f70000 >> HCTL: 0x00000d02 >> SYSCTL: 0x000e0087 >> IE: 0x00000000 >> ISE: 0x00000000 >> CAPA: 0x06e10080 >> >> >> Please find the logs. >> Any inputs would be of great help, as I am stuck at data transfer over >> SDIO. >> >> >> >> >> Thanks, >> Annapurna.B >> > > Hi Annapurna, > > Which module? Wifi? If yes then try to reduce the frequency by setting the > max-frequency to 24MHz in the dts file. > > -Gautam. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/d7b087c2-2255-490d-a88d-9a2e1ece9fc1n%40googlegroups.com.
