Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-22 Thread Stefano Babic
On 21/04/2013 19:00, Fabio Estevam wrote: > Hi Stefano, > > On Wed, Apr 17, 2013 at 5:48 AM, Stefano Babic wrote: > >> Ok, let's do in this way - I agree that U-boot should only turn on the >> clocks that it requires and do not touch the rest. But let's start >> pushing this into u-boot-imx and

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-21 Thread Fabio Estevam
Hi Stefano, On Wed, Apr 17, 2013 at 5:48 AM, Stefano Babic wrote: > Ok, let's do in this way - I agree that U-boot should only turn on the > clocks that it requires and do not touch the rest. But let's start > pushing this into u-boot-imx and then we can trim this setup. Please let me know when

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-17 Thread Stefano Babic
On 06/04/2013 18:40, Fabio Estevam wrote: > Hi Dirk, > > On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme wrote: > >> ... but saving power over the whole (kernel) runtime. I might be wrong, but >> to my understanding the kernel doesn't *disable* unneeded clocks? >> >> So it's up to the bootloader to e

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-09 Thread Stefano Babic
On 06/04/2013 18:40, Fabio Estevam wrote: > Hi Dirk, > > On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme wrote: > >> ... but saving power over the whole (kernel) runtime. I might be wrong, but >> to my understanding the kernel doesn't *disable* unneeded clocks? >> >> So it's up to the bootloader to e

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Dirk Behme
Am 06.04.2013 18:40, schrieb Fabio Estevam: Hi Dirk, On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme wrote: ... but saving power over the whole (kernel) runtime. I might be wrong, but to my understanding the kernel doesn't *disable* unneeded clocks? So it's up to the bootloader to enable only the

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Fabio Estevam
Hi Dirk, On Sat, Apr 6, 2013 at 1:30 PM, Dirk Behme wrote: > ... but saving power over the whole (kernel) runtime. I might be wrong, but > to my understanding the kernel doesn't *disable* unneeded clocks? > > So it's up to the bootloader to enable only the peripherals (clocks) really > needed fo

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Dirk Behme
Am 06.04.2013 16:15, schrieb Fabio Estevam: On Sat, Apr 6, 2013 at 10:52 AM, Dirk Behme wrote: Most probably it would be sufficient to enable only the clocks needed for booting ;) And not all clocks. On the other boards we do /* set the default clock gate to save power */ DATA 4 0x020c4068 0x

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Fabio Estevam
On Sat, Apr 6, 2013 at 10:52 AM, Dirk Behme wrote: > Most probably it would be sufficient to enable only the clocks needed for > booting ;) And not all clocks. On the other boards we do > > /* set the default clock gate to save power */ > DATA 4 0x020c4068 0x00C03F3F > DATA 4 0x020c406c 0x0030FC0

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Dirk Behme
Am 06.04.2013 14:47, schrieb Fabio Estevam: Hi Dirk, On Sat, Apr 6, 2013 at 4:27 AM, Dirk Behme wrote: +DATA 4 0x020c4068 0x +DATA 4 0x020c406c 0x +DATA 4 0x020c4070 0x +DATA 4 0x020c4074 0x +DATA 4 0x020c4078 0x +DATA 4 0x020c407c 0x +DATA 4 0x

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Fabio Estevam
Hi Dirk, On Sat, Apr 6, 2013 at 4:27 AM, Dirk Behme wrote: >> +DATA 4 0x020c4068 0x >> +DATA 4 0x020c406c 0x >> +DATA 4 0x020c4070 0x >> +DATA 4 0x020c4074 0x >> +DATA 4 0x020c4078 0x >> +DATA 4 0x020c407c 0x >> +DATA 4 0x020c4080 0x > > >

Re: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-06 Thread Dirk Behme
Am 06.04.2013 02:55, schrieb Fabio Estevam: From: Fabio Estevam mx6slevk board is a development board from Freescale based on the mx6 solo-lite processor. For details about mx6slevk, please refer to: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=IMX6SLEVK&parentCode=i.MX6SL&fp

[U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

2013-04-05 Thread Fabio Estevam
From: Fabio Estevam mx6slevk board is a development board from Freescale based on the mx6 solo-lite processor. For details about mx6slevk, please refer to: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=IMX6SLEVK&parentCode=i.MX6SL&fpsp=1 Signed-off-by: Fabio Estevam --- MAINT