Hi Robert, On Sat, Jan 18, 2014 at 12:48:04PM +0100, Robert Jarzmik wrote: > As barebox has become the true SPL of mioa701 board (no intermediate > SPL), a bug was uncovered in the init procedure, where the CPU voltage > was to be increased by commanding the I2C voltage regulator, while the > I2C was shut down. > > Fix it by unclock-gating the power I2C bus before using it. > > Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx> Applied this series, thanks Sascha > --- > arch/arm/boards/mioa701/board.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boards/mioa701/board.c b/arch/arm/boards/mioa701/board.c > index c46b5da..7ee0be0 100644 > --- a/arch/arm/boards/mioa701/board.c > +++ b/arch/arm/boards/mioa701/board.c > @@ -266,6 +266,7 @@ static int mioa701_coredevice_init(void) > * This requires to command the Maxim 1586 to upgrade core voltage to > * 1.475 V, on the power I2C bus (device 0x14). > */ > + CKEN |= CKEN_PWRI2C; > CCCR = CCCR_A | 0x20290; > PCFR = PCFR_GPR_EN | PCFR_FVC | PCFR_DC_EN | PCFR_PI2C_EN | PCFR_OPDE; > PCMD(0) = PCMD_LC | 0x1f; > -- > 1.7.10.4 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
