Simon,
2015-08-30 0:10 GMT+09:00 Simon Glass <[email protected]>: > We need to mark some device tree nodes so that they are available before > relocation. This enables driver model to find these automatically. In the > case of SPL it ensures that these nodes will be retained in SPL. > > Signed-off-by: Simon Glass <[email protected]> > --- > > arch/arm/dts/zynq-7000.dtsi | 1 + > arch/arm/dts/zynq-microzed.dts | 5 +++++ > arch/arm/dts/zynq-picozed.dts | 5 +++++ > arch/arm/dts/zynq-zc702.dts | 1 + > arch/arm/dts/zynq-zc706.dts | 1 + > arch/arm/dts/zynq-zc770-xm010.dts | 1 + > arch/arm/dts/zynq-zc770-xm011.dts | 1 + > arch/arm/dts/zynq-zc770-xm012.dts | 1 + > arch/arm/dts/zynq-zc770-xm013.dts | 1 + > arch/arm/dts/zynq-zed.dts | 1 + > arch/arm/dts/zynq-zybo.dts | 1 + > 11 files changed, 19 insertions(+) > > diff --git a/arch/arm/dts/zynq-7000.dtsi b/arch/arm/dts/zynq-7000.dtsi > index 0b62cb0..12614f2 100644 > --- a/arch/arm/dts/zynq-7000.dtsi > +++ b/arch/arm/dts/zynq-7000.dtsi > @@ -54,6 +54,7 @@ > }; > > amba: amba { > + u-boot,dm-pre-reloc; > compatible = "simple-bus"; > #address-cells = <1>; > #size-cells = <1>; You are adding "u-boot,dm-pre-reloc" to a simple-bus node. With this commit, all the children are bound before relocation. simple_bus_post_bind() calls dm_scan_fdt_node() with false for 'pre_reloc_only'. I guess, this implementation is a problem. Currently, 'pre_reloc_only' can be specified for the first-level nodes. For example, assume node structure like this: amba { uart0 { }; pinctrl { }; usb { }; eth { }; }; Please tell me: how to bind "uart0" and "pinctrl", but not "usb", "eth" before relocation. Any idea to propagate 'pre_reloc_only' downwards? -- Best Regards Masahiro Yamada _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
