From mboxrd@z Thu Jan 1 00:00:00 1970 From: matti kaasinen Date: Tue, 3 Jan 2017 13:10:18 +0200 Subject: [U-Boot] am335x board i2c_probe fails from nand boot In-Reply-To: References: Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de I could try that, but how does it work properly when I run it from mmc. Does reading spl from mmc touch I2C somehow (interrupt, speed or anything) or does reading spl from nand do that. 2017-01-03 13:05 GMT+02:00 Yegor Yefremov : > On Tue, Jan 3, 2017 at 12:02 PM, matti kaasinen > wrote: > > > > 2017-01-03 12:56 GMT+02:00 Yegor Yefremov : > >> > >> What PMIC are you using? > > > > It is TPS65217, so probe command is: > > i2c_probe(TPS65217_CHIP_PM) > > I had some problems with tps65910. Anyway try to reduce I2C speed up > to 1000. The kernel can still run the full speed. It's only for > bootloader stage. > > Yegor >