Re: [U-Boot] [PATCH v2] mxs: fixed battery boot on imx233-olinuxino-micro

2014-06-18 Thread Peter Schumann
the minimum possible "on time" of then DCDC FET control logic. I don't have an easy way to test this assumption without an adjustable load. The other change regarding mxs_power_enable_4p2() should be relatively safe to apply. If I can he

[U-Boot] [PATCH v2] mxs: fixed battery boot on imx233-olinuxino-micro

2014-06-15 Thread Peter Schumann
on DCDC after BootROM hands over to u-boot, so no sense in switching back to LinRegs. Signed-off-by: Peter Schumann --- arch/arm/cpu/arm926ejs/mxs/spl_power_init.c |6 -- 1 file changed, 6 deletions(-) diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs

Re: [U-Boot] [PATCH] mxs: fixed battery boot on imx233-olinuxino-micro

2014-06-13 Thread Peter Schumann
> > Bump? > > Best regards, > Marek Vasut > Hi Marek, I am occupied with work at the moment. I will get it done at the weekend. Best regards, Peter Schumann ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot

Re: [U-Boot] [PATCH] mxs: fixed battery boot on imx233-olinuxino-micro

2014-05-25 Thread Peter Schumann
ion can only work if we assume there is 5V present. I hope I got clearer way this will not work in a battery only scenario. Best regards, Peter Schumann ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot

[U-Boot] [PATCH] mxs: fixed battery boot on imx233-olinuxino-micro

2014-05-21 Thread Peter Schumann
This patch makes it possible to boot from battery on olinuxino Boards from Olimex. We should not set DOUBLE_FETS in HW_POWER_MINPWR, it makes my system reset with in seconds while running on battery power. Also mxs_power_enable_4p2() should not be called if running from battery. It switches VDDD