Date: Tue, 30 Jul 2013 11:41:19 +0200 From: Aleksander <aleek@freebsd.org> To: John Clark <jeclark2006@aim.com> Cc: "freebsd-ppc@FreeBSD.org" <freebsd-ppc@freebsd.org> Subject: Re: P1020wlan REV D DTS file? Message-ID: <CABkKHSaiDb_J%2B=ZHv7HMpB=Tfzp9oBYAi9%2BE4RNChVA=Tswz%2BQ@mail.gmail.com> In-Reply-To: <0E4E55FF-5FDC-40D5-844E-F93CB0969513@aim.com>
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That reminds me, I need to send the patch, because I had the same problem.
In the meantime, here is the patch for p1020rdb.dts. This works for me.
diff --git a/sys/boot/fdt/dts/p1020rdb.dts b/sys/boot/fdt/dts/p1020rdb.dts
index ec5118c..c95ab27 100644
--- a/sys/boot/fdt/dts/p1020rdb.dts
+++ b/sys/boot/fdt/dts/p1020rdb.dts
@@ -59,17 +59,20 @@
device_type = "cpu";
reg = <0x0>;
next-level-cache = <&L2>;
+ bus-frequency = <400000000>; // Filled
out by uboot.
};
PowerPC,P1020@1 {
device_type = "cpu";
reg = <0x1>;
next-level-cache = <&L2>;
+ bus-frequency = <400000000>; // Filled
out by uboot.
};
};
memory {
device_type = "memory";
+ reg = < 0x0 0x0 0x0 0x20000000 >;
};
localbus@ffe05000 {
@@ -193,7 +196,7 @@
#address-cells = <1>;
#size-cells = <1>;
device_type = "soc";
- compatible = "fsl,p1020-immr", "simple-bus";
+ compatible = "simple-bus";
ranges = <0x0 0x0 0xffe00000 0x100000>;
bus-frequency = <0>; // Filled out by uboot.
@@ -624,4 +627,9 @@
0x0 0x100000>;
};
};
+
+ chosen {
+ stdin = "serial0";
+ stdout= "serial0";
+ };
};
regards
aleek
On Mon, Jul 29, 2013 at 9:53 PM, John Clark <jeclark2006@aim.com> wrote:
> I've been working intermittently on a p1020wlan board and getting FreeBSD
> up and running on it.
>
> I have a working Linux setup, but wanted to look at FreeBSD.
>
> The process has been fraught with problems.
>
> 1) U-Boot. The board has u-boot and despite the 'suggestive' tool titled
> 'ubldr', this does not seem to work, unless the u-boot has been 'enabled'
> with the U-boot API.
> Did that but other than some number of diagnostics, the ubldr fails to
> present a command interface or seemingly try to 'bootp' via the network
> interface.
>
> 2) Using a DTS file that 'works' with Linux, there are a number of 'holes'
> in the DTS structure which the boot firmware seems to be expected to 'fill
> in the blanks'.
> I've plugged many holes, an rearranged elements in the 'tree' that seem
> to allow for the kernel to be loaded, and get to the point of attempting to
> initialize the network drivers to
> perform a 'bootp' NFS style root mount.
>
> I did get some assistance in April from someone working on a similar
> board, but those 'hints' have not yielded a bootable setup.
>
> It would appear that this board, and perhaps most of the P1020 (and other
> recent Freescale boards) do not have many people, if any, working on
> getting FreeBSD up on them.
>
> The questions are…
>
> 1) is there anyone with a working P1020Wlan setup?
> 2) Anyone with working P1020xxx boards, and using the 'as found in
> sys/boot/fdt/dts' DTS files?
>
>
> Any help would be appreciated,
>
> John Clark.
>
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--
regards
aleek
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