Andrzej
Siewior
Subject: Re: reset handling in am335x hwmod data
Hi,
On Mon, May 20, 2013 at 08:20:29PM +0200, Hiremath, Vaibhav wrote:
-Original Message-
From: Menon, Nishanth
Sent: Monday, May 20, 2013 11:34 PM
To: Hiremath, Vaibhav
Cc: Peter Korsgaard; Kevin Hilman; Balbi, Felipe; Paul
...@vger.kernel.org; Tony Lindgren
Subject: Re: reset handling in am335x hwmod data
On 12:47-20130520, Hiremath, Vaibhav wrote:
[...]
On 20:10-20130517, Peter Korsgaard wrote:
Kevin == Kevin Hilman khil...@linaro.org
writes:
In this case, we
Lindgren
Subject: Re: reset handling in am335x hwmod data
On 12:47-20130520, Hiremath, Vaibhav wrote:
[...]
On 20:10-20130517, Peter Korsgaard wrote:
Kevin == Kevin Hilman khil...@linaro.org writes:
In this case, we cannot reset that bank, otherwise
Subject: Re: reset handling in am335x hwmod data
On 20:10-20130517, Peter Korsgaard wrote:
Kevin == Kevin Hilman khil...@linaro.org writes:
In this case, we cannot reset that bank, otherwise Starter Kit
will
never boot in mainline. Bad PCB design, I know, but it's not
something
we
; Tony Lindgren
Subject: RE: reset handling in am335x hwmod data
-Original Message-
From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
ow...@vger.kernel.org] On Behalf Of Menon, Nishanth
Sent: Friday, May 17, 2013 11:49 PM
To: Peter Korsgaard
Cc: Kevin Hilman; Balbi
, Felipe; Paul Walmsley; linux-
o...@vger.kernel.org; Tony Lindgren
Subject: RE: reset handling in am335x hwmod data
-Original Message-
From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
ow...@vger.kernel.org] On Behalf Of Menon, Nishanth
Sent: Friday, May 17, 2013
-Original Message-
From: Menon, Nishanth
Sent: Monday, May 20, 2013 8:36 PM
To: Hiremath, Vaibhav
Cc: Peter Korsgaard; Kevin Hilman; Balbi, Felipe; Paul Walmsley; linux-
o...@vger.kernel.org; Tony Lindgren
Subject: Re: reset handling in am335x hwmod data
On 01:55-20130520
On 12:47-20130520, Hiremath, Vaibhav wrote:
[...]
On 20:10-20130517, Peter Korsgaard wrote:
Kevin == Kevin Hilman khil...@linaro.org writes:
In this case, we cannot reset that bank, otherwise Starter
Kit
will
never boot in mainline. Bad PCB design, I
-Original Message-
From: Menon, Nishanth
Sent: Monday, May 20, 2013 11:34 PM
To: Hiremath, Vaibhav
Cc: Peter Korsgaard; Kevin Hilman; Balbi, Felipe; Paul Walmsley; linux-
o...@vger.kernel.org; Tony Lindgren
Subject: Re: reset handling in am335x hwmod data
On 12:47-20130520
Hi,
On Sun, Dec 23, 2012 at 08:58:13PM +, Paul Walmsley wrote:
In this specific case the pin is connected to nCONFIG of a FPGA. The
FPGA is commanded to start configuration from a SPI flash in the
bootloader, so it can happen in parallel with kernel
load/uncompress/startup, but as the
Felipe == Felipe Balbi ba...@ti.com writes:
Hi,
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -992,7 +992,7 @@ static struct omap_hwmod am33xx_gpio1_hwmod = {
.name = gpio2,
.class = am33xx_gpio_hwmod_class,
.clkdm_name =
Felipe Balbi ba...@ti.com writes:
Hi,
On Sun, Dec 23, 2012 at 08:58:13PM +, Paul Walmsley wrote:
In this specific case the pin is connected to nCONFIG of a FPGA. The
FPGA is commanded to start configuration from a SPI flash in the
bootloader, so it can happen in parallel with kernel
Kevin == Kevin Hilman khil...@linaro.org writes:
In this case, we cannot reset that bank, otherwise Starter Kit will
never boot in mainline. Bad PCB design, I know, but it's not something
we can change now :-)
Kevin FWIW, we've seen this before (GPIO connected to PMIC reset is a
Kevin
On 20:10-20130517, Peter Korsgaard wrote:
Kevin == Kevin Hilman khil...@linaro.org writes:
In this case, we cannot reset that bank, otherwise Starter Kit will
never boot in mainline. Bad PCB design, I know, but it's not something
we can change now :-)
Kevin FWIW, we've seen this
Hi
On Thu, 10 Jan 2013, Peter Korsgaard wrote:
Paul == Paul Walmsley p...@pwsan.com writes:
Paul Probably the DTS is the right place, since this is a board- and
Paul bootloader-specific quirk. The original intention was to allow
Paul board files to set this HWMOD_INIT_NO_RESET flag
Peter == Peter Korsgaard jac...@sunsite.dk writes:
Hi,
Paul Probably the DTS is the right place, since this is a board- and
Paul bootloader-specific quirk. The original intention was to allow
Paul board files to set this HWMOD_INIT_NO_RESET flag themselves - see
Paul mach-omap2/
Paul == Paul Walmsley p...@pwsan.com writes:
Hi Paul,
Thanks for the detailed explanaition, and sorry for the slow response -
I've been away on holidays.
Now the question is why is this configured like this?
Paul This behavior is intended to decouple the kernel from the
Paul bootloader,
Hi Peter,
On Fri, 21 Dec 2012, Peter Korsgaard wrote:
On a custom am335x board I was surprised to see the kernel resetting
gpio pins not mentioned anywhere in the dts.
The original plan with DT was to start by focusing on devices on the
board, rather than devices on the SoC. The GPIO is an
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