Hello Rachna, On 17.02.2012 10:37, Patil, Rachna wrote: > Hi Thomas, > > On Fri, Feb 17, 2012 at 14:32:02, Thomas Weber wrote: >> Hello Rachna, >> >> I get multiple timeouts from wait_for_status_mask() during i2c_write(), >> line 481. >> >> The Result is 1410h und status_mask is 7h. >> >> I use a devkit8000, booting from sd-card. >> > > Currently I do not have an OMAP board to debug this, But can throw some > pointers. > After u-boot prompt is up, can you try doing an i2c read/write/detect > operation. > Does i2c fail at this stage as well?
OMAP3 DevKit8000 # i2c md 48 5 0005: 49 49 18 18 18 06 06 06 1f 1f 1f 1f 1f 1f 09 00 II.............. OMAP3 DevKit8000 # i2c mw 48 4 4 timed out in wait_for_status_mask: I2C_STAT=1410 > From the log I see that i2c has not received an ACK. > Can you increase the timeout and check if this scenario persists. Same behaviour. No changes in output. Thomas _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
