On Jan 22, 2008, at 3:30 PM, Timur Tabi wrote: > Kumar Gala wrote: >> Signed-off-by: Zhang Wei <[EMAIL PROTECTED]> >> Signed-off-by: Ebony Zhu <[EMAIL PROTECTED]> >> Signed-off-by: Kumar Gala <[EMAIL PROTECTED]> >> --- >> Guys please review and make sure I got all your previous comments >> fixed >> up. I've added cell-index. and the examples should represent real >> HW. >> Documentation/powerpc/booting-without-of.txt | 128 ++++++++++++++++ >> ++++++++++ >> 1 files changed, 128 insertions(+), 0 deletions(-) >> diff --git a/Documentation/powerpc/booting-without-of.txt b/ >> Documentation/powerpc/booting-without-of.txt >> index da98154..3584c33 100644 >> --- a/Documentation/powerpc/booting-without-of.txt >> +++ b/Documentation/powerpc/booting-without-of.txt >> @@ -2615,6 +2615,134 @@ platforms are moved over to use the >> flattened-device-tree model. >> - clock-frequency : The frequency of the input clock, which >> typically >> comes from an on-board dedicated >> oscillator. >> + * Freescale 83xx DMA Controller >> + >> + Freescale PowerPC 83xx have on chip general purpose DMA >> controllers. >> + >> + Required properties: >> + >> + - compatible : compatible list, contains 2 entries, >> first is >> + "fsl,CHIP-dma", where CHIP is the processor >> + (mpc8349, mpc8360, etc.) and the second is >> + "fsl,elo-dma" >> + - reg : <registers mapping for DMA general >> status reg> >> + - ranges : Should be defined as specified in 1) to >> describe >> the >> + DMA controller channels. > > What does "Should be defined as specified in 1)" mean?
Its referring to section 1 of the doc on ranges. Other nodes use this description for ranges. (soc, muram) >> + - cell-index : controller index. 0 for controller @ >> 0x8100 > > This should be more generic. I believe for each of our SoCs, we > designation one DMA controller to be "DMA Controller 1", and that > one should have a cell-index of "0". Ok, on 83xx that controller is always at offset 0x8100. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
