* [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds
@ 2009-05-27 2:05 Kevin Hao
2009-06-11 2:20 ` Kumar Gala
2009-06-11 14:06 ` Kumar Gala
0 siblings, 2 replies; 4+ messages in thread
From: Kevin Hao @ 2009-05-27 2:05 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Haiying Wang
Add 4 partitions in nor flash. Also fix nor flash
bank width bug.
Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
---
arch/powerpc/boot/dts/mpc8569mds.dts | 24 +++++++++++++++++++++++-
1 files changed, 23 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/boot/dts/mpc8569mds.dts
index 39c2927..1f98990 100644
--- a/arch/powerpc/boot/dts/mpc8569mds.dts
+++ b/arch/powerpc/boot/dts/mpc8569mds.dts
@@ -70,8 +70,30 @@
#size-cells = <1>;
compatible = "cfi-flash";
reg = <0x0 0x0 0x02000000>;
- bank-width = <2>;
+ bank-width = <1>;
device-width = <1>;
+ partition@0 {
+ label = "ramdisk";
+ reg = <0x00000000 0x01c00000>;
+ };
+ partition@1c00000 {
+ label = "kernel";
+ reg = <0x01c00000 0x002e0000>;
+ };
+ partiton@1ee0000 {
+ label = "dtb";
+ reg = <0x01ee0000 0x00020000>;
+ };
+ partition@1f00000 {
+ label = "firmware";
+ reg = <0x01f00000 0x00080000>;
+ read-only;
+ };
+ partition@1f80000 {
+ label = "u-boot";
+ reg = <0x01f80000 0x00080000>;
+ read-only;
+ };
};
bcsr@1,0 {
--
1.6.0.4.771.gef3b3
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds
2009-05-27 2:05 [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds Kevin Hao
@ 2009-06-11 2:20 ` Kumar Gala
2009-06-11 10:27 ` Kevin Hao
2009-06-11 14:06 ` Kumar Gala
1 sibling, 1 reply; 4+ messages in thread
From: Kumar Gala @ 2009-06-11 2:20 UTC (permalink / raw)
To: Kevin Hao; +Cc: linuxppc-dev, Haiying Wang
On May 26, 2009, at 9:05 PM, Kevin Hao wrote:
> Add 4 partitions in nor flash. Also fix nor flash
> bank width bug.
Can you explain this.. I'm trying to understand why you set the bank-
width to 1
- k
>
>
> Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
> ---
> arch/powerpc/boot/dts/mpc8569mds.dts | 24 +++++++++++++++++++++++-
> 1 files changed, 23 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/
> boot/dts/mpc8569mds.dts
> index 39c2927..1f98990 100644
> --- a/arch/powerpc/boot/dts/mpc8569mds.dts
> +++ b/arch/powerpc/boot/dts/mpc8569mds.dts
> @@ -70,8 +70,30 @@
> #size-cells = <1>;
> compatible = "cfi-flash";
> reg = <0x0 0x0 0x02000000>;
> - bank-width = <2>;
> + bank-width = <1>;
> device-width = <1>;
> + partition@0 {
> + label = "ramdisk";
> + reg = <0x00000000 0x01c00000>;
> + };
> + partition@1c00000 {
> + label = "kernel";
> + reg = <0x01c00000 0x002e0000>;
> + };
> + partiton@1ee0000 {
> + label = "dtb";
> + reg = <0x01ee0000 0x00020000>;
> + };
> + partition@1f00000 {
> + label = "firmware";
> + reg = <0x01f00000 0x00080000>;
> + read-only;
> + };
> + partition@1f80000 {
> + label = "u-boot";
> + reg = <0x01f80000 0x00080000>;
> + read-only;
> + };
> };
>
> bcsr@1,0 {
> --
> 1.6.0.4.771.gef3b3
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds
2009-06-11 2:20 ` Kumar Gala
@ 2009-06-11 10:27 ` Kevin Hao
0 siblings, 0 replies; 4+ messages in thread
From: Kevin Hao @ 2009-06-11 10:27 UTC (permalink / raw)
To: Kumar Gala; +Cc: linuxppc-dev, Haiying Wang
On Wed, 2009-06-10 at 21:20 -0500, Kumar Gala wrote:
> On May 26, 2009, at 9:05 PM, Kevin Hao wrote:
>
> > Add 4 partitions in nor flash. Also fix nor flash
> > bank width bug.
>
> Can you explain this.. I'm trying to understand why you set the bank-
> width to 1
The NOR flash (S29GL256N) works in 8-bit mode. And it's also not
interleaved. So the bank-width should be equal to device-width. If we
set bank-width to 2 the flash can not work correctly.
Thanks,
Kevin
>
> - k
>
> >
> >
> > Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
> > ---
> > arch/powerpc/boot/dts/mpc8569mds.dts | 24 +++++++++++++++++++++++-
> > 1 files changed, 23 insertions(+), 1 deletions(-)
> >
> > diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/
> > boot/dts/mpc8569mds.dts
> > index 39c2927..1f98990 100644
> > --- a/arch/powerpc/boot/dts/mpc8569mds.dts
> > +++ b/arch/powerpc/boot/dts/mpc8569mds.dts
> > @@ -70,8 +70,30 @@
> > #size-cells = <1>;
> > compatible = "cfi-flash";
> > reg = <0x0 0x0 0x02000000>;
> > - bank-width = <2>;
> > + bank-width = <1>;
> > device-width = <1>;
> > + partition@0 {
> > + label = "ramdisk";
> > + reg = <0x00000000 0x01c00000>;
> > + };
> > + partition@1c00000 {
> > + label = "kernel";
> > + reg = <0x01c00000 0x002e0000>;
> > + };
> > + partiton@1ee0000 {
> > + label = "dtb";
> > + reg = <0x01ee0000 0x00020000>;
> > + };
> > + partition@1f00000 {
> > + label = "firmware";
> > + reg = <0x01f00000 0x00080000>;
> > + read-only;
> > + };
> > + partition@1f80000 {
> > + label = "u-boot";
> > + reg = <0x01f80000 0x00080000>;
> > + read-only;
> > + };
> > };
> >
> > bcsr@1,0 {
> > --
> > 1.6.0.4.771.gef3b3
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds
2009-05-27 2:05 [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds Kevin Hao
2009-06-11 2:20 ` Kumar Gala
@ 2009-06-11 14:06 ` Kumar Gala
1 sibling, 0 replies; 4+ messages in thread
From: Kumar Gala @ 2009-06-11 14:06 UTC (permalink / raw)
To: Kevin Hao; +Cc: linuxppc-dev, Haiying Wang
On May 26, 2009, at 9:05 PM, Kevin Hao wrote:
> Add 4 partitions in nor flash. Also fix nor flash
> bank width bug.
>
> Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
> ---
> arch/powerpc/boot/dts/mpc8569mds.dts | 24 +++++++++++++++++++++++-
> 1 files changed, 23 insertions(+), 1 deletions(-)
applied to next
- k
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-06-11 14:08 UTC | newest]
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2009-05-27 2:05 [PATCH] powerpc/85xx: add nor flash partitions for mpc8569mds Kevin Hao
2009-06-11 2:20 ` Kumar Gala
2009-06-11 10:27 ` Kevin Hao
2009-06-11 14:06 ` Kumar Gala
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