: u-boot@lists.denx.de
Subject: Re: ARM A53 and initial MMU mapping for EL0/1/2/3 ?
On Wed, 16 Mar 2022 20:28:31 +
Joakim Tjernlund wrote:
Hi,
> Got something I cannot figure out and was hoping to pick your brain:
> timeofday does not count.
> I can now boot fine into user space b
On Wed, 16 Mar 2022 20:28:31 +
Joakim Tjernlund wrote:
Hi,
> Got something I cannot figure out and was hoping to pick your brain:
> timeofday does not count.
> I can now boot fine into user space but then I tested the date command
> and my time stands still on 1970. I can set date but the
Hi again
Got something I cannot figure out and was hoping to pick your brain:
timeofday does not count.
I can now boot fine into user space but then I tested the date command
and my time stands still on 1970. I can set date but the time still does not
count.
Normal sleep 1 works though. Using
On Thu, 2022-02-17 at 15:13 +, Andre Przywara wrote:
> On Fri, 11 Feb 2022 17:00:48 +
> Joakim Tjernlund wrote:
>
> Hi,
>
> > On Fri, 2022-02-11 at 15:00 +0100, Joakim Tjernlund wrote:
> > > On Fri, 2022-02-11 at 01:26 +, Andre Przywara wrote:
> > > > On Fri, 11 Feb 2022 00:22:25
On Fri, 11 Feb 2022 17:00:48 +
Joakim Tjernlund wrote:
Hi,
> On Fri, 2022-02-11 at 15:00 +0100, Joakim Tjernlund wrote:
> > On Fri, 2022-02-11 at 01:26 +, Andre Przywara wrote:
> > > On Fri, 11 Feb 2022 00:22:25 +
> > > Joakim Tjernlund wrote:
> > >
> > > > On Thu, 2022-02-10
On Fri, 2022-02-11 at 15:00 +0100, Joakim Tjernlund wrote:
> On Fri, 2022-02-11 at 01:26 +, Andre Przywara wrote:
> > On Fri, 11 Feb 2022 00:22:25 +
> > Joakim Tjernlund wrote:
> >
> > > On Thu, 2022-02-10 at 22:43 +, Andre Przywara wrote:
> > > > On Thu, 10 Feb 2022 21:58:30 +
>
On Fri, 2022-02-11 at 01:26 +, Andre Przywara wrote:
> On Fri, 11 Feb 2022 00:22:25 +
> Joakim Tjernlund wrote:
>
> > On Thu, 2022-02-10 at 22:43 +, Andre Przywara wrote:
> > > On Thu, 10 Feb 2022 21:58:30 +
> > > Joakim Tjernlund wrote:
> > >
> > > Hi,
> > >
> > > > On Thu,
On Fri, 11 Feb 2022 00:22:25 +
Joakim Tjernlund wrote:
> On Thu, 2022-02-10 at 22:43 +, Andre Przywara wrote:
> > On Thu, 10 Feb 2022 21:58:30 +
> > Joakim Tjernlund wrote:
> >
> > Hi,
> >
> > > On Thu, 2022-02-10 at 10:22 +, Andre Przywara wrote:
> > > > On Wed, 9 Feb
On Thu, 2022-02-10 at 22:43 +, Andre Przywara wrote:
> On Thu, 10 Feb 2022 21:58:30 +
> Joakim Tjernlund wrote:
>
> Hi,
>
> > On Thu, 2022-02-10 at 10:22 +, Andre Przywara wrote:
> > > On Wed, 9 Feb 2022 12:03:47 +
> > > Joakim Tjernlund wrote:
> > >
> > > Hi,
> > >
> > > >
On Thu, 10 Feb 2022 21:58:30 +
Joakim Tjernlund wrote:
Hi,
> On Thu, 2022-02-10 at 10:22 +, Andre Przywara wrote:
> > On Wed, 9 Feb 2022 12:03:47 +
> > Joakim Tjernlund wrote:
> >
> > Hi,
> >
> > > On Wed, 2022-02-09 at 10:45 +, Andre Przywara wrote:
> > > > On Wed, 9 Feb
On Thu, 2022-02-10 at 10:22 +, Andre Przywara wrote:
> On Wed, 9 Feb 2022 12:03:47 +
> Joakim Tjernlund wrote:
>
> Hi,
>
> > On Wed, 2022-02-09 at 10:45 +, Andre Przywara wrote:
> > > On Wed, 9 Feb 2022 08:35:04 +
> > > Joakim Tjernlund wrote:
> > >
> > > Hi,
> > >
> > > >
On Wed, 9 Feb 2022 12:03:47 +
Joakim Tjernlund wrote:
Hi,
> On Wed, 2022-02-09 at 10:45 +, Andre Przywara wrote:
> > On Wed, 9 Feb 2022 08:35:04 +
> > Joakim Tjernlund wrote:
> >
> > Hi,
> >
> > > On Wed, 2022-02-09 at 00:33 +, Andre Przywara wrote:
> > > > On Tue, 8 Feb
On Wed, 9 Feb 2022 18:07:24 +
Joakim Tjernlund wrote:
Hi,
> On Wed, 2022-02-09 at 13:13 +, Andre Przywara wrote:
> > On Wed, 9 Feb 2022 14:05:57 +0100
> > Michael Walle wrote:
> >
> > Hi,
> >
> > > > > The problem I have is that I boot a custom SOC into u-boot and when
> > > > >
On Wed, 2022-02-09 at 13:13 +, Andre Przywara wrote:
> On Wed, 9 Feb 2022 14:05:57 +0100
> Michael Walle wrote:
>
> Hi,
>
> > > > The problem I have is that I boot a custom SOC into u-boot and when
> > > > u-boot tries
> > > > to boot linux I get an error exception when u-boot calls
> >
On Wed, 9 Feb 2022 14:05:57 +0100
Michael Walle wrote:
Hi,
> >> The problem I have is that I boot a custom SOC into u-boot and when u-boot
> >> tries
> >> to boot linux I get an error exception when u-boot calls
> >> armv8_switch_to_el2 to enter linux.
> >
> > So that means that U-Boot
>> The problem I have is that I boot a custom SOC into u-boot and when u-boot
>> tries
>> to boot linux I get an error exception when u-boot calls armv8_switch_to_el2
>> to enter linux.
>
> So that means that U-Boot runs in EL3, is that the first and only firmware
> that you run? I think the EL3
On Wed, 2022-02-09 at 10:45 +, Andre Przywara wrote:
> On Wed, 9 Feb 2022 08:35:04 +
> Joakim Tjernlund wrote:
>
> Hi,
>
> > On Wed, 2022-02-09 at 00:33 +, Andre Przywara wrote:
> > > On Tue, 8 Feb 2022 22:05:00 +
> > > Joakim Tjernlund wrote:
> > >
> > > Hi Joakim,
> > >
>
On Wed, 9 Feb 2022 08:35:04 +
Joakim Tjernlund wrote:
Hi,
> On Wed, 2022-02-09 at 00:33 +, Andre Przywara wrote:
> > On Tue, 8 Feb 2022 22:05:00 +
> > Joakim Tjernlund wrote:
> >
> > Hi Joakim,
> >
> > > Trying to figure out how I should map the MMU for normal RAM so it
> > >
On Wed, 2022-02-09 at 00:33 +, Andre Przywara wrote:
> On Tue, 8 Feb 2022 22:05:00 +
> Joakim Tjernlund wrote:
>
> Hi Joakim,
>
> > Trying to figure out how I should map the MMU for normal RAM so it acessible
> > from all ELx security states.
>
>^^^
>
> This does not make
On Tue, 8 Feb 2022 22:05:00 +
Joakim Tjernlund wrote:
Hi Joakim,
> Trying to figure out how I should map the MMU for normal RAM so it acessible
> from all ELx security states.
^^^
This does not make much sense. U-Boot is typically running in one
exception level only, and sets
Trying to figure out how I should map the MMU for normal RAM so it acessible
from all ELx security states.
So far I have this mem_map:
/* memory mapped RAM. 32MB */
.virt = 0x6000UL,
.phys = 0x6000UL,
.size = 0x0200UL,
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