Re: [RFC PATCH 02/10] MIPS: Octeon: Add device tree source files.

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On 02/23/2011 03:49 PM, David Gibson wrote:
On Wed, Feb 23, 2011 at 11:06:30AM -0800, David Daney wrote:
On 02/22/2011 04:07 PM, David Gibson wrote:
On Tue, Feb 22, 2011 at 12:57:46PM -0800, David Daney wrote:
Signed-off-by: David Daney<ddaney@xxxxxxxxxxxxxxxxxx>
---
  arch/mips/cavium-octeon/.gitignore      |    2 +
  arch/mips/cavium-octeon/Makefile        |   13 ++
  arch/mips/cavium-octeon/octeon_3xxx.dts |  314 +++++++++++++++++++++++++++++++
  arch/mips/cavium-octeon/octeon_68xx.dts |   99 ++++++++++
  4 files changed, 428 insertions(+), 0 deletions(-)
  create mode 100644 arch/mips/cavium-octeon/.gitignore
  create mode 100644 arch/mips/cavium-octeon/octeon_3xxx.dts
  create mode 100644 arch/mips/cavium-octeon/octeon_68xx.dts

diff --git a/arch/mips/cavium-octeon/.gitignore b/arch/mips/cavium-octeon/.gitignore
new file mode 100644
index 0000000..39c9686
--- /dev/null
+++ b/arch/mips/cavium-octeon/.gitignore
@@ -0,0 +1,2 @@
+*.dtb.S

.dtb.S?

I think I have the correct .gitignore syntax.

What I meant was, where are you generating .dtb.S files that you need
to ignore them?


They are a byproduct of $(call cmd,dtc).

Normally make removes them automatically, but if you abort at just the right time, they can be left around.

If it is objectionable, I can just remove that .gitignore bit.


+  compatible = "octeon,octeon";

There's no model number at all for this board?


I think it should be:

	compatible = "octeon,octeon-3860";

That looks better.

Also, the part before the comma is generally the vendor, so I would
have expected cavium,XXX throughout rather than octeon,XXX.

OK, I will do that instead.


[...]
+      device_type = "network";
+      model = "mgmt";
+      reg =<0x10700 0x00100000 0x0 0x100>, /* MIX */
+<0x11800 0xE0000000 0x0 0x300>, /* AGL */
+<0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED  */
+<0x11800 0xE0002000 0x0 0x8>;   /* AGL_PRT_CTL */
+      unit-number =<0>;

What is this 'unit-number' property for?

The AGL_SHARED register bank is shared among all the octeon-5230-mii
devices.  the 'unit-number' indicates the bit-field index that this
device should use within those registers.

Ok.  'cell-index' is the normal property name for this sort of
purpose.

Thanks, I will use 'cell-index'.

David Daney





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