[PATCH 0/6] net: cpsw: Support for am335x chip MACIDs
Felipe Balbi
balbi at ti.com
Wed Dec 18 12:08:18 EST 2013
On Wed, Dec 18, 2013 at 10:30:55PM +0530, Mugunthan V N wrote:
> On Wednesday 18 December 2013 10:17 PM, Markus Pargmann wrote:
> > Hi,
> >
> > This series introduces a driver to read and use the MACIDs stored in the am335x
> > control module. These are read-only registers for a unique MACID. At the moment
> > the MACIDs are generated randomly or they are set by the bootloader.
> >
> > A device node is added in am33xx dtsi and used by the cpsw slaves in the bone
> > board files.
> >
> > Regards,
> >
> > Markus
> >
> >
> > Markus Pargmann (6):
> > DT doc: net: cpsw mac-address is optional
> > net: cpsw: header, Add missing include
> > net: cpsw: Add control-module macid driver
> > net: cpsw: Use cpsw-ctrl-macid driver
> > arm: dts: am33xx, Add device node for cpsw-ctrl-macid
> > arm: dts: am335x beagle bone use processor macids
> >
> > .../devicetree/bindings/net/cpsw-ctrl-macid.txt | 31 +++++
> > Documentation/devicetree/bindings/net/cpsw.txt | 7 +-
> > arch/arm/boot/dts/am335x-bone.dts | 8 ++
> > arch/arm/boot/dts/am335x-boneblack.dts | 8 ++
> > arch/arm/boot/dts/am33xx.dtsi | 7 ++
> > drivers/net/ethernet/ti/Kconfig | 8 ++
> > drivers/net/ethernet/ti/Makefile | 1 +
> > drivers/net/ethernet/ti/cpsw-ctrl-macid.c | 138 +++++++++++++++++++++
> > drivers/net/ethernet/ti/cpsw.c | 18 ++-
> > drivers/net/ethernet/ti/cpsw.h | 3 +
> > 10 files changed, 224 insertions(+), 5 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/net/cpsw-ctrl-macid.txt
> > create mode 100644 drivers/net/ethernet/ti/cpsw-ctrl-macid.c
> >
> Mac ID is to be filled by U-Boot and this kind of approach is already
> rejected in linux-omap list.
>
> If proper ethaddr/eth*addr is populated in U-boot environment variable
> then mac-address dt property in ethernet* device nodes will be populated
> before boot kernel in U-boot. So I don't think this patch series is
> required.
but will u-boot read MACID from control module ?
--
balbi
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