Re: STM32MP1 boot slow

2020-03-30 Thread Marek Vasut
On 3/30/20 10:05 AM, Patrick DELAUNAY wrote: > Hi, Hi, >> From: Marek Vasut >> Sent: vendredi 27 mars 2020 19:21 >> >> On 3/27/20 4:35 PM, Patrick DELAUNAY wrote: >>> Hi Marek, >> >> Hi, >> >> [...] >> > I would like to see patches to enable the cache. We did this some > years ago in a

RE: STM32MP1 boot slow

2020-03-30 Thread Patrick DELAUNAY
Hi, > From: Marek Vasut > Sent: vendredi 27 mars 2020 19:21 > > On 3/27/20 4:35 PM, Patrick DELAUNAY wrote: > > Hi Marek, > > Hi, > > [...] > > >>> I would like to see patches to enable the cache. We did this some > >>> years ago in a Chromebook and it made a big difference. It is not > >>>

Re: STM32MP1 boot slow

2020-03-27 Thread Marek Vasut
On 3/27/20 4:35 PM, Patrick DELAUNAY wrote: > Hi Marek, Hi, [...] >> Or reuse the DWC I2C driver timing calculation, which is real simple, fast, >> and >> should be accurate enough. > > Yes I checked > ./drivers/i2c/designware_i2c.c:: __dw_i2c_set_bus_speed > > I agree that something simple

RE: STM32MP1 boot slow

2020-03-27 Thread Patrick DELAUNAY
Hi Marek, > From: Marek Vasut > Sent: jeudi 26 mars 2020 17:28 > > On 3/26/20 5:19 PM, Simon Glass wrote: > > Hi Patrick, > > Hi, > > > On Wed, 25 Mar 2020 at 09:57, Patrick DELAUNAY > wrote: > >> > >> Hi, > >> > >>> From: Marek Vasut > >>> Sent: mercredi 25 mars 2020 00:39 > >>> > >>> Hi,

RE: STM32MP1 boot slow

2020-03-27 Thread Patrick DELAUNAY
Hi, > From: Simon Glass > Sent: jeudi 26 mars 2020 17:20 > > Hi Patrick, > > On Wed, 25 Mar 2020 at 09:57, Patrick DELAUNAY > wrote: > > > > Hi, > > > > > From: Marek Vasut > > > Sent: mercredi 25 mars 2020 00:39 > > > > > > Hi, > > > > > > I was looking at the STM32MP1 boot time and I

Re: STM32MP1 boot slow

2020-03-26 Thread Marek Vasut
On 3/26/20 5:19 PM, Simon Glass wrote: > Hi Patrick, Hi, > On Wed, 25 Mar 2020 at 09:57, Patrick DELAUNAY > wrote: >> >> Hi, >> >>> From: Marek Vasut >>> Sent: mercredi 25 mars 2020 00:39 >>> >>> Hi, >>> >>> I was looking at the STM32MP1 boot time and I noticed it takes about 2 >>> seconds

Re: STM32MP1 boot slow

2020-03-26 Thread Simon Glass
Hi Patrick, On Wed, 25 Mar 2020 at 09:57, Patrick DELAUNAY wrote: > > Hi, > > > From: Marek Vasut > > Sent: mercredi 25 mars 2020 00:39 > > > > Hi, > > > > I was looking at the STM32MP1 boot time and I noticed it takes about 2 > > seconds > > to get to U-Boot. > > Thanks for the feedback. > >

Re: STM32MP1 boot slow

2020-03-25 Thread Marek Vasut
On 3/25/20 4:57 PM, Patrick DELAUNAY wrote: > Hi, Hi, >> From: Marek Vasut >> Sent: mercredi 25 mars 2020 00:39 >> >> Hi, >> >> I was looking at the STM32MP1 boot time and I noticed it takes about 2 >> seconds >> to get to U-Boot. > > Thanks for the feedback. > > To be clear, the SPL is not

RE: STM32MP1 boot slow

2020-03-25 Thread Patrick DELAUNAY
Hi, > From: Marek Vasut > Sent: mercredi 25 mars 2020 00:39 > > Hi, > > I was looking at the STM32MP1 boot time and I noticed it takes about 2 seconds > to get to U-Boot. Thanks for the feedback. To be clear, the SPL is not the ST priority as we have many limitation (mainly on power