* [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
@ 2018-04-25 15:53 ` Fabrizio Castro
0 siblings, 0 replies; 6+ messages in thread
From: Fabrizio Castro @ 2018-04-25 15:53 UTC (permalink / raw)
To: Simon Horman, Geert Uytterhoeven
Cc: Fabrizio Castro, Magnus Damm, Russell King, linux-renesas-soc,
linux-arm-kernel, Chris Paterson, Biju Das
On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
addresses, hence we need LPAE.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
This information is mentioned in the "RZ/G Series User’s Manual: Hardware",
Chapter 2, Area Map. Is this patch going to break the functionality of other
boards? Comments welcome.
arch/arm/configs/shmobile_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index dd95d39..21b25e9 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
CONFIG_ARCH_R8A7793=y
CONFIG_ARCH_R8A7794=y
CONFIG_ARCH_SH73A0=y
+CONFIG_ARM_LPAE=y
CONFIG_PL310_ERRATA_588369=y
CONFIG_ARM_ERRATA_754322=y
CONFIG_PCI=y
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
@ 2018-04-25 15:53 ` Fabrizio Castro
0 siblings, 0 replies; 6+ messages in thread
From: Fabrizio Castro @ 2018-04-25 15:53 UTC (permalink / raw)
To: linux-arm-kernel
On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
addresses, hence we need LPAE.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
This information is mentioned in the "RZ/G Series User?s Manual: Hardware",
Chapter 2, Area Map. Is this patch going to break the functionality of other
boards? Comments welcome.
arch/arm/configs/shmobile_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index dd95d39..21b25e9 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
CONFIG_ARCH_R8A7793=y
CONFIG_ARCH_R8A7794=y
CONFIG_ARCH_SH73A0=y
+CONFIG_ARM_LPAE=y
CONFIG_PL310_ERRATA_588369=y
CONFIG_ARM_ERRATA_754322=y
CONFIG_PCI=y
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* RE: [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
2018-04-25 15:53 ` Fabrizio Castro
@ 2018-04-25 16:09 ` Chris Paterson
-1 siblings, 0 replies; 6+ messages in thread
From: Chris Paterson @ 2018-04-25 16:09 UTC (permalink / raw)
To: Fabrizio Castro, Simon Horman, Geert Uytterhoeven
Cc: Fabrizio Castro, Magnus Damm, Russell King, linux-renesas-soc,
linux-arm-kernel, Biju Das
Hello Fab,
> From: Fabrizio Castro [mailto:fabrizio.castro@bp.renesas.com]
> Sent: 25 April 2018 16:54
>
> On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
s/iwg20d/iwg20m
Regards, Chris
> addresses, hence we need LPAE.
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> ---
> This information is mentioned in the "RZ/G Series User’s Manual: Hardware",
> Chapter 2, Area Map. Is this patch going to break the functionality of other
> boards? Comments welcome.
>
> arch/arm/configs/shmobile_defconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/configs/shmobile_defconfig
> b/arch/arm/configs/shmobile_defconfig
> index dd95d39..21b25e9 100644
> --- a/arch/arm/configs/shmobile_defconfig
> +++ b/arch/arm/configs/shmobile_defconfig
> @@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
> CONFIG_ARCH_R8A7793=y
> CONFIG_ARCH_R8A7794=y
> CONFIG_ARCH_SH73A0=y
> +CONFIG_ARM_LPAE=y
> CONFIG_PL310_ERRATA_588369=y
> CONFIG_ARM_ERRATA_754322=y
> CONFIG_PCI=y
> --
> 2.7.4
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
@ 2018-04-25 16:09 ` Chris Paterson
0 siblings, 0 replies; 6+ messages in thread
From: Chris Paterson @ 2018-04-25 16:09 UTC (permalink / raw)
To: linux-arm-kernel
Hello Fab,
> From: Fabrizio Castro [mailto:fabrizio.castro at bp.renesas.com]
> Sent: 25 April 2018 16:54
>
> On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
s/iwg20d/iwg20m
Regards, Chris
> addresses, hence we need LPAE.
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> ---
> This information is mentioned in the "RZ/G Series User?s Manual: Hardware",
> Chapter 2, Area Map. Is this patch going to break the functionality of other
> boards? Comments welcome.
>
> arch/arm/configs/shmobile_defconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/configs/shmobile_defconfig
> b/arch/arm/configs/shmobile_defconfig
> index dd95d39..21b25e9 100644
> --- a/arch/arm/configs/shmobile_defconfig
> +++ b/arch/arm/configs/shmobile_defconfig
> @@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
> CONFIG_ARCH_R8A7793=y
> CONFIG_ARCH_R8A7794=y
> CONFIG_ARCH_SH73A0=y
> +CONFIG_ARM_LPAE=y
> CONFIG_PL310_ERRATA_588369=y
> CONFIG_ARM_ERRATA_754322=y
> CONFIG_PCI=y
> --
> 2.7.4
^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
2018-04-25 16:09 ` Chris Paterson
@ 2018-04-25 16:12 ` Fabrizio Castro
-1 siblings, 0 replies; 6+ messages in thread
From: Fabrizio Castro @ 2018-04-25 16:12 UTC (permalink / raw)
To: Chris Paterson, Simon Horman, Geert Uytterhoeven
Cc: Magnus Damm, Russell King, linux-renesas-soc, linux-arm-kernel, Biju Das
Hello Chris,
> Subject: RE: [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
>
> Hello Fab,
>
> > From: Fabrizio Castro [mailto:fabrizio.castro@bp.renesas.com]
> > Sent: 25 April 2018 16:54
> >
> > On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
> s/iwg20d/iwg20m
You are right, thank you for spotting this!
I'll send a v2 to fix this.
Cheers,
Fab
>
> Regards, Chris
>
> > addresses, hence we need LPAE.
> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> > ---
> > This information is mentioned in the "RZ/G Series User’s Manual: Hardware",
> > Chapter 2, Area Map. Is this patch going to break the functionality of other
> > boards? Comments welcome.
> >
> > arch/arm/configs/shmobile_defconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm/configs/shmobile_defconfig
> > b/arch/arm/configs/shmobile_defconfig
> > index dd95d39..21b25e9 100644
> > --- a/arch/arm/configs/shmobile_defconfig
> > +++ b/arch/arm/configs/shmobile_defconfig
> > @@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
> > CONFIG_ARCH_R8A7793=y
> > CONFIG_ARCH_R8A7794=y
> > CONFIG_ARCH_SH73A0=y
> > +CONFIG_ARM_LPAE=y
> > CONFIG_PL310_ERRATA_588369=y
> > CONFIG_ARM_ERRATA_754322=y
> > CONFIG_PCI=y
> > --
> > 2.7.4
Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
@ 2018-04-25 16:12 ` Fabrizio Castro
0 siblings, 0 replies; 6+ messages in thread
From: Fabrizio Castro @ 2018-04-25 16:12 UTC (permalink / raw)
To: linux-arm-kernel
Hello Chris,
> Subject: RE: [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE
>
> Hello Fab,
>
> > From: Fabrizio Castro [mailto:fabrizio.castro at bp.renesas.com]
> > Sent: 25 April 2018 16:54
> >
> > On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
> s/iwg20d/iwg20m
You are right, thank you for spotting this!
I'll send a v2 to fix this.
Cheers,
Fab
>
> Regards, Chris
>
> > addresses, hence we need LPAE.
> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> > ---
> > This information is mentioned in the "RZ/G Series User?s Manual: Hardware",
> > Chapter 2, Area Map. Is this patch going to break the functionality of other
> > boards? Comments welcome.
> >
> > arch/arm/configs/shmobile_defconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm/configs/shmobile_defconfig
> > b/arch/arm/configs/shmobile_defconfig
> > index dd95d39..21b25e9 100644
> > --- a/arch/arm/configs/shmobile_defconfig
> > +++ b/arch/arm/configs/shmobile_defconfig
> > @@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
> > CONFIG_ARCH_R8A7793=y
> > CONFIG_ARCH_R8A7794=y
> > CONFIG_ARCH_SH73A0=y
> > +CONFIG_ARM_LPAE=y
> > CONFIG_PL310_ERRATA_588369=y
> > CONFIG_ARM_ERRATA_754322=y
> > CONFIG_PCI=y
> > --
> > 2.7.4
Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-04-25 16:12 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-04-25 15:53 [PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE Fabrizio Castro
2018-04-25 15:53 ` Fabrizio Castro
2018-04-25 16:09 ` Chris Paterson
2018-04-25 16:09 ` Chris Paterson
2018-04-25 16:12 ` Fabrizio Castro
2018-04-25 16:12 ` Fabrizio Castro
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