<br>Ok, making progress on the ep8248 / devtrees, etc...<br><br>But I'm not getting any output on the serial and my log_buf is pretty clean. Without console; what's the best way to figure out why I'm not getting any output on my SMC1 serial port (using u-boot , not planetcore)?
<br><br>-Alan<br><br>__log_buf:<br> Using Embedded Planet EP8248E machine description.<br>Linux version 2.6.23-rc6-g943401ab-dirty (root@fremont) (gcc version 3.4.5) <br> #3 Wed Sep 19 12:51:18 MDT 2007.<br>Entering add_active_range(0, 0, 32768) 0 entries of 256 used.
<br>Top of RAM: 0x8000000, Total RAM: 0x8000000.<br>Memory hole size: 0MB.<br>Zone PFN ranges:.<br> DMA 0 -> 32768.<br> Normal 32768 -> 32768.<br>Movable zone start PFN for each node.<br>early_node_map[1] active PFN ranges.
<br> 0: 0 -> 32768.<br>On node 0 totalpages: 32768.<br> DMA zone: 256 pages used for memmap.<br> DMA zone: 0 pages reserved.<br> DMA zone: 32512 pages, LIFO batch:7.<br> Normal zone: 0 pages used for memmap.
<br> Movable zone: 0 pages used for memmap.<br>Built 1 zonelists in Zone order. Total pages: 32512.<br>Kernel command line: root=/dev/nfs ip=192.168.10.45:::255.255.255.0::eth1<br> nfsroot=192.168.10.5:/fh/rfs
rw .<br>PID hash table entries: 512 (order: 9, 2048 bytes).<br>time_init: decrementer frequency = 16.500000 MHz.<br>time_init: processor frequency = 231.000000 MHz..<br><br><br>dts file:<br><br>/*<br> * Device Tree for the Embedded Planet EP8248E board.
<br> *<br> * Copyright 2007 Freescale Semiconductor Inc.<br> *<br> * This program is free software; you can redistribute it and/or modify it<br> * under the terms of the GNU General Public License as published by the<br>
* Free Software Foundation; either version 2 of the License, or (at your<br> * option) any later version.<br> */<br><br>/ {<br> model = "EP8248E";<br> compatible = "fsl,ep8248e";<br> #address-cells = <1>;
<br> #size-cells = <1>;<br><br> cpus {<br> #address-cells = <1>;<br> #size-cells = <0>;<br><br> PowerPC,8248@0 {<br> device_type = "cpu";
<br> reg = <0>;<br> d-cache-line-size = <d#32>;<br> i-cache-line-size = <d#32>;<br> d-cache-size = <d#16384>;
<br> i-cache-size = <d#16384>;<br> timebase-frequency = <0>;<br> clock-frequency = <0>;<br> };<br> };<br><br> CS: chipselect {
<br> compatible = "fsl,ep8248e-chipselect",<br> "fsl,mpc8248-chipselect",<br> "fsl,pq2-chipselect";<br> #address-cells = <2>;
<br> #size-cells = <1>;<br> fsl,ctrl = <&CSCTRL>;<br><br> ranges = <0 0 f8000000 07f00000<br> 0 1 fff00000 00080000<br> 0 2 fff80000 00080000
<br> 1 0 e4000000 00008000<br> 2 0 d0000000 08000000>;<br>/* F800_0000 -> FFF0_0000 */<br> flash@0,0 {<br> compatible = "cfi-flash";
<br> reg = <0 0 7F00000>;<br> probe-type = "CFI";<br> bank-width = <4>;<br> }; <br>/* FFF0_0000 -> FFF7_FFFF */
<br> flash@0,1 {<br> device_type = "rom";<br> compatible = "direct-mapped";<br> reg = <0 0 80000>;<br> probe-type = "CFI";
<br> bank-width = <4>;<br> };<br>/* FFF8_0000 -> FFFF_FFFF */<br> flash@0,2 {<br> compatible = "cfi-flash";<br> reg = <0 0 80000>;
<br> probe-type = "CFI";<br> bank-width = <4>;<br> };<br>/* F400_0000 */<br> bcsr@1,0 {<br> #address-cells = <2>;
<br> #size-cells = <1>;<br> reg = <1 0 10>;<br> compatible = "fsl,ep8248e-bcsr";<br> ranges;<br><br> mdio {
<br> device_type = "mdio";<br> compatible = "fsl,ep8248e-mdio-bitbang";<br> #address-cells = <1>;<br> #size-cells = <0>;
<br> reg = <1 8 1>;<br><br> PHY0: ethernet-phy@0 {<br> interrupt-parent = <&PIC>;<br> reg = <0>;
<br> device_type = "ethernet-phy";<br> };<br><br> PHY1: ethernet-phy@1 {<br> interrupt-parent = <&PIC>;
<br> reg = <1>;<br> device_type = "ethernet-phy";<br> };<br> };<br> };
<br>/* D000_0000 -> D7FF_FFFF */<br> flash@2,0 {<br> compatible = "cfi-flash";<br> reg = <0 0 08000000>;<br> probe-type = "CFI";
<br> bank-width = <4>;<br> };<br> };<br><br> memory {<br> device_type = "memory";<br> reg = <0 0>;<br> };<br><br>
soc@f0000000 {<br> #address-cells = <1>;<br> #size-cells = <1>;<br> device_type = "soc";<br> compatible = "fsl,mpc8248", "fsl,pq2-soc";
<br> ranges = <00000000 f0000000 00053000>;<br><br> CSCTRL: chipselect {<br> compatible = "fsl,mpc8248-chipselect-ctrl",<br> "fsl,pq2-chipselect-ctrl";
<br> reg = <10100 40>;<br> fsl,bus = <&CS>;<br> };<br><br> cpm@119c0 {<br> #address-cells = <1>;<br>
#size-cells = <1>;<br> #interrupt-cells = <2>;<br> compatible = "fsl,mpc8248-cpm", "fsl,cpm2";<br> reg = <119c0 30 0 1100>;
<br> ranges;<br><br> brg@119f0 {<br> compatible = "fsl,mpc8272-brg",<br> "fsl,cpm2-brg",
<br> "fsl,cpm-brg";<br> reg = <119f0 10 115f0 10>;<br> };<br><br> /* Monitor port/SMC1 */
<br> serial@11a80 {<br> device_type = "serial";<br> compatible = "fsl,mpc8248-smc-uart",<br> "fsl,cpm2-smc-uart";
<br> reg = <11a80 20 1100 40>;<br> interrupts = <4 8>;<br> interrupt-parent = <&PIC>;<br> fsl,cpm-brg = <7>;
<br> fsl,cpm-command = <1d000000>;<br> linux,planetcore-label = "SMC1";<br> };<br><br> /* "Serial" port/SCC1 */
<br> serial@11a00 {<br> device_type = "serial";<br> compatible = "fsl,mpc8248-scc-uart",<br> "fsl,cpm2-scc-uart";
<br> reg = <11a00 20 8000 100>;<br> interrupts = <28 8>;<br> interrupt-parent = <&PIC>;<br> fsl,cpm-brg = <1>;
<br> fsl,cpm-command = <00800000>;<br> linux,planetcore-label = "SCC1";<br> };<br><br> ethernet@11300
{<br> device_type = "network";<br> compatible = "fsl,mpc8248-fcc-enet",<br> "fsl,cpm2-fcc-enet";
<br> reg = <11300 20 8400 100 11390 1>;<br> local-mac-address = [ 00 00 00 00 00 00 ];<br> interrupts = <20 8>;<br> interrupt-parent = <&PIC>;
<br> phy-handle = <&PHY0>;<br> linux,network-index = <0>;<br> fsl,cpm-command = <12000300>;<br> };
<br><br> ethernet@11320 {<br> device_type = "network";<br> compatible = "fsl,mpc8248-fcc-enet",<br> "fsl,cpm2-fcc-enet";
<br> reg = <11320 20 8500 100 113b0 1>;<br> local-mac-address = [ 00 00 00 00 00 00 ];<br> interrupts = <21 8>;<br> interrupt-parent = <&PIC>;
<br> phy-handle = <&PHY1>;<br> linux,network-index = <1>;<br> fsl,cpm-command = <16200300>;<br> };
<br><br> usb@11b60 {<br> #address-cells = <1>;<br> #size-cells = <0>;<br> compatible = "fsl,mpc8248-usb",
<br> "fsl,cpm2-usb";<br> reg = <11b60 18 8b00 100>;<br> interrupt-parent = <&PIC>;<br> interrupts = <b 8>;
<br> fsl,cpm-command = <2e600000>;<br> };<br> };<br><br> PIC: interrupt-controller@10c00 {<br> #interrupt-cells = <2>;
<br> interrupt-controller;<br> reg = <10c00 80>;<br> compatible = "fsl,mpc8248-pic", "fsl,pq2-pic";<br> };<br> };
<br>};<br>