maybe fix to fir :) On 10:03 Fri 06 Feb , Guennadi Liakhovetski wrote: > Upon power on i.MX31 enables most peripheral clocks, Linux disables the ones > that it's not using to save power. Until now U-Boot on imx31_phycore didn't > enable the I2C clock explicitly, so, after a reboot under Linux, if Linux > didn't use I2C, the clock would stay disabled. And U-Boot on imx31_phycore > uses an I2C EEPROM for environment data. So, after a reboot U-Boot would be > left with its default environment. This patch fixes this problem by enabling > the I2C clock explicitly. > > Signed-off-by: Guennadi Liakhovetski <l...@denx.de> > --- > board/imx31_phycore/imx31_phycore.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/board/imx31_phycore/imx31_phycore.c > b/board/imx31_phycore/imx31_phycore.c > index 4c64cb9..6b78194 100644 > --- a/board/imx31_phycore/imx31_phycore.c > +++ b/board/imx31_phycore/imx31_phycore.c > @@ -60,6 +60,9 @@ int board_init (void) > mx31_gpio_mux(MUX_CSPI2_MOSI__I2C2_SCL); > mx31_gpio_mux(MUX_CSPI2_MISO__I2C2_SDA); > > + /* start I2C2 clock */ > + __REG(CCM_CGR0) = __REG(CCM_CGR0) | (3 << 28); > + is not better to ahve this in the I2C driver?
Best Regards, J. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
