Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-18 Thread Dirk Behme
On 19.05.2016 04:16, Simon Horman wrote: On Wed, May 18, 2016 at 10:00:52AM +0200, Dirk Behme wrote: Hi Geert and Simon, On 16.05.2016 10:12, Simon Horman wrote: Hi Dirk, On Tue, May 03, 2016 at 07:48:32PM +0200, Dirk Behme wrote: Hi Simon, On 29.04.2016 12:35, Marc Zyngier wrote: On Fri,

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-18 Thread Simon Horman
On Wed, May 18, 2016 at 10:00:52AM +0200, Dirk Behme wrote: > Hi Geert and Simon, > > On 16.05.2016 10:12, Simon Horman wrote: > >Hi Dirk, > > > >On Tue, May 03, 2016 at 07:48:32PM +0200, Dirk Behme wrote: > >>Hi Simon, > >> > >>On 29.04.2016 12:35, Marc Zyngier wrote: > >>>On Fri, 29 Apr 2016 09:

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-18 Thread Geert Uytterhoeven
Hi Dirk, On Wed, May 18, 2016 at 10:00 AM, Dirk Behme wrote: > In parallel, a r8a7796.dtsi was added where this change is missing, now: > > https://git.kernel.org/cgit/linux/kernel/git/geert/renesas-drivers.git/tree/arch/arm64/boot/dts/renesas/r8a7796.dtsi?h=topic/gen3-latest > > Do you need a ne

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-18 Thread Dirk Behme
Hi Geert and Simon, On 16.05.2016 10:12, Simon Horman wrote: Hi Dirk, On Tue, May 03, 2016 at 07:48:32PM +0200, Dirk Behme wrote: Hi Simon, On 29.04.2016 12:35, Marc Zyngier wrote: On Fri, 29 Apr 2016 09:43:45 +1000 Simon Horman wrote: [Cc Mark Zyngier, linux-arm-kernel] Hi Dirk, On Thu

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-16 Thread Simon Horman
Hi Dirk, On Tue, May 03, 2016 at 07:48:32PM +0200, Dirk Behme wrote: > Hi Simon, > > On 29.04.2016 12:35, Marc Zyngier wrote: > >On Fri, 29 Apr 2016 09:43:45 +1000 > >Simon Horman wrote: > > > >>[Cc Mark Zyngier, linux-arm-kernel] > >> > >>Hi Dirk, > >> > >>On Thu, Apr 28, 2016 at 07:41:57AM +02

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-10 Thread Marc Zyngier
On 10/05/16 16:29, Dirk Behme wrote: > On 10.05.2016 16:17, Marc Zyngier wrote: >> On 10/05/16 14:33, Geert Uytterhoeven wrote: >>> CC Marc, lakml >>> >>> On Tue, Apr 19, 2016 at 8:29 AM, Dirk Behme wrote: From: Pooya Keshavarzi There are some requirements about the GIC-400 memory

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-10 Thread Dirk Behme
On 10.05.2016 16:17, Marc Zyngier wrote: On 10/05/16 14:33, Geert Uytterhoeven wrote: CC Marc, lakml On Tue, Apr 19, 2016 at 8:29 AM, Dirk Behme wrote: From: Pooya Keshavarzi There are some requirements about the GIC-400 memory layout and its mapping if using 64k aligned base addresses like

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-10 Thread Marc Zyngier
On 10/05/16 14:33, Geert Uytterhoeven wrote: > CC Marc, lakml > > On Tue, Apr 19, 2016 at 8:29 AM, Dirk Behme wrote: >> From: Pooya Keshavarzi >> >> There are some requirements about the GIC-400 memory layout and its >> mapping if using 64k aligned base addresses like on r8a7795. >> >> See e.g.

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-10 Thread Geert Uytterhoeven
CC Marc, lakml On Tue, Apr 19, 2016 at 8:29 AM, Dirk Behme wrote: > From: Pooya Keshavarzi > > There are some requirements about the GIC-400 memory layout and its > mapping if using 64k aligned base addresses like on r8a7795. > > See e.g. > > http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=2

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-05-03 Thread Dirk Behme
Hi Simon, On 29.04.2016 12:35, Marc Zyngier wrote: On Fri, 29 Apr 2016 09:43:45 +1000 Simon Horman wrote: [Cc Mark Zyngier, linux-arm-kernel] Hi Dirk, On Thu, Apr 28, 2016 at 07:41:57AM +0200, Dirk Behme wrote: Hi Simon, On 28.04.2016 01:30, Simon Horman wrote: Hi Dirk, I understand tha

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-04-29 Thread Marc Zyngier
On Fri, 29 Apr 2016 09:43:45 +1000 Simon Horman wrote: > [Cc Mark Zyngier, linux-arm-kernel] > > Hi Dirk, > > On Thu, Apr 28, 2016 at 07:41:57AM +0200, Dirk Behme wrote: > > Hi Simon, > > > > On 28.04.2016 01:30, Simon Horman wrote: > > >Hi Dirk, > > > > > >I understand that there is an issue

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-04-28 Thread Simon Horman
[Cc Mark Zyngier, linux-arm-kernel] Hi Dirk, On Thu, Apr 28, 2016 at 07:41:57AM +0200, Dirk Behme wrote: > Hi Simon, > > On 28.04.2016 01:30, Simon Horman wrote: > >Hi Dirk, > > > >I understand that there is an issue here but I'm not yet able > >to convince myself that this is the correct soluti

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-04-27 Thread Dirk Behme
Hi Simon, On 28.04.2016 01:30, Simon Horman wrote: Hi Dirk, I understand that there is an issue here but I'm not yet able to convince myself that this is the correct solution. In revision r0p1 of the CoreLink GIC-400 Generic Interrupt Controller Technical Reference Manual[1] I see in Section 3

Re: [PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-04-27 Thread Simon Horman
Hi Dirk, I understand that there is an issue here but I'm not yet able to convince myself that this is the correct solution. In revision r0p1 of the CoreLink GIC-400 Generic Interrupt Controller Technical Reference Manual[1] I see in Section 3.2. "GIC-400 register map" that the size of both the C

[PATCH] arm64: dts: r8a7795: Increase the size of GIC-400 mapped registers

2016-04-18 Thread Dirk Behme
From: Pooya Keshavarzi There are some requirements about the GIC-400 memory layout and its mapping if using 64k aligned base addresses like on r8a7795. See e.g. http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=21550029f709072aacf3b9 Map the whole memory range instead of only 0x2000. This wi