Thread (11 messages) 11 messages, 3 authors, 2008-05-08

Re: powerpc port for sbc8260-based board problem

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From: Scott Wood <hidden>
Date: 2008-05-07 18:21:20

On Wed, May 07, 2008 at 01:31:52AM -0700, Boris Shteinbock wrote:
     /* Monitor port/SMC1 */
     smc1: serial@11a80 {
       device_type = "serial";
       compatible = "fsl,mpc8260-smc-uart",
                    "fsl,cpm2-smc-uart";
       reg = <0x11a80 0x20 0x1100 0x40>;
The second reg resource depends on where your firmware set up the SMC pram
regs.  With U-boot, it's usually zero.

Note that as of 2.6.26-rc1, this is set up dynamically instead, and the
second resource should be 0x87fc 2.
Can someone, also, explain, how "fsl, cpm-command" field works,
It's the device-specific portion of the value that gets written to the CPM
command register (page, sub-block, and mcc channel).
booting-without-of document doesn't provide much information. I feel, that
just copying this value from ep8248.dts isn't right somehow.
It should be the same.

-Scott
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