Hello Huang Changming-R66093,
Huang Changming-R66093 wrote:
These tow part codes are doing the different thing due to the
different reason:
1. Kernel's code:
because Sometimes 9th clock pulse isn't generated, that code is to
generate the 9th clock pulse.
What code are you looking at? Are
Thanks and Best Regards
Jerry Huang
-Original Message-
From: Heiko Schocher [mailto:h...@denx.de]
Sent: Friday, October 28, 2011 2:34 PM
To: Huang Changming-R66093
Cc: Joakim Tjernlund; u-boot@lists.denx.de
Subject: Re: [U-Boot] [PATCH 2/2] Powerpc/i2c: Force i2c to become bus
Hello Chang-Ming,
chang-ming.hu...@freescale.com wrote:
From: Jerry Huang chang-ming.hu...@freescale.com
It is sometimes necessary to force the I2C module to become the I2C bus master
out of reset and drive SCL(even though SDA may already be driven,
which indicates that the bus is busy).
From: chang-ming.hu...@freescale.com
From: Jerry Huang chang-ming.hu...@freescale.com
It is sometimes necessary to force the I2C module to become the I2C bus master
out of reset and drive SCL(even though SDA may already be driven,
which indicates that the bus is busy). This can occur when a
Thanks and Best Regards
Jerry Huang
-Original Message-
From: Joakim Tjernlund [mailto:joakim.tjernl...@transmode.se]
Sent: Thursday, October 27, 2011 3:26 PM
To: Huang Changming-R66093
Cc: u-boot@lists.denx.de
Subject: Re: [U-Boot] [PATCH 2/2] Powerpc/i2c: Force i2c to become bus
@lists.denx.de
Subject: Re: [U-Boot] [PATCH 2/2] Powerpc/i2c: Force i2c to become
bus
master out of reset
From: chang-ming.hu...@freescale.com
From: Jerry Huang chang-ming.hu...@freescale.com
It is sometimes necessary to force the I2C module to become the I2C
bus master out of reset
@lists.denx.de
Subject: Re: [U-Boot] [PATCH 2/2] Powerpc/i2c: Force i2c to become bus
master out of reset
From: chang-ming.hu...@freescale.com
From: Jerry Huang chang-ming.hu...@freescale.com
It is sometimes necessary to force the I2C module to become the I2C
bus master out
PM
To: Joakim Tjernlund
Cc: u-boot@lists.denx.de
Subject: Re: [U-Boot] [PATCH 2/2] Powerpc/i2c: Force i2c to become bus
master out of reset
Thanks and Best Regards
Jerry Huang
-Original Message-
From: Joakim Tjernlund [mailto:joakim.tjernl...@transmode.se
The above sequence is different than the kernel version, why?
I don't know the kernel version, but I write the u-boot code
according
to the Reference Manual of PowerPC, e.g p1022:
11.5.6 Generation of SCL When SDA Low
It is sometimes necessary to force the I2C module to
The above sequence is different than the kernel version, why?
I don't know the kernel version, but I write the u-boot code
according
to the Reference Manual of PowerPC, e.g p1022:
11.5.6 Generation of SCL When SDA Low
It is sometimes necessary to force the I2C module to become
Huang Changming-R66093 r66...@freescale.com wrote on 2011/10/27 11:26:04:
The above sequence is different than the kernel version, why?
I don't know the kernel version, but I write the u-boot code
according
to the Reference Manual of PowerPC, e.g p1022:
11.5.6 Generation of
These tow part codes are doing the different thing due to the
different reason:
1. Kernel's code:
because Sometimes 9th clock pulse isn't generated, that code is to
generate the 9th clock pulse.
What code are you looking at? Are you just reading the comment?
Look at
From: Jerry Huang chang-ming.hu...@freescale.com
It is sometimes necessary to force the I2C module to become the I2C bus master
out of reset and drive SCL(even though SDA may already be driven,
which indicates that the bus is busy). This can occur when a system reset
does not cause all I2C
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