Re: [edk2] [PATCH edk2-platforms v1 34/38] Silicon/Hisilicon/D06: Add I2C Bus Exception deal function

2018-08-09 Thread Ming
在 8/4/2018 11:18 PM, Leif Lindholm 写道: > On Tue, Jul 24, 2018 at 03:09:18PM +0800, Ming Huang wrote: >> From: shaochangliang >> >> During the period of I2c accessing, if the board is reset >> unexpectedly, and because the I2c client can not reset, >> the SDA will be always pull down, then it cau

Re: [edk2] [PATCH edk2-platforms v1 34/38] Silicon/Hisilicon/D06: Add I2C Bus Exception deal function

2018-08-04 Thread Leif Lindholm
On Tue, Jul 24, 2018 at 03:09:18PM +0800, Ming Huang wrote: > From: shaochangliang > > During the period of I2c accessing, if the board is reset > unexpectedly, and because the I2c client can not reset, > the SDA will be always pull down, then it cause I2C bus > Exception. > > Follow the Hi1620

[edk2] [PATCH edk2-platforms v1 34/38] Silicon/Hisilicon/D06: Add I2C Bus Exception deal function

2018-07-24 Thread Ming Huang
From: shaochangliang During the period of I2c accessing, if the board is reset unexpectedly, and because the I2c client can not reset, the SDA will be always pull down, then it cause I2C bus Exception. Follow the Hi1620 I2C FS chapter 1.8.2 design, add I2C Bus Exception deal function. It will Co