virtex uImage and serial ports

["Joshua Lamorie" <jpl@xiphos.ca>]

Gidday there,=0A=0AI am trying to get 2.6.27(ish) running on my custom Virt=
ex-II Pro platform (I call it Q5).  I already have many years of running 2.=
4.26 and booting from u-boot.=0A=0AThe problem is getting the console runni=
ng.  I have a device tree blob built and loaded into memory, and by peeking=
 at __log_buf I can see that it is reading this okay (i.e. it is correctly =
finding my interrupt controller).  However, by the time it goes to mount th=
e ramdisk as root, it complains that there is no console.=0A=0AI'm fairly c=
ertain /chosen has stdout pointing to the correct UART, and the console arg=
uments are ttyS0,115200.=0A=0AIn looking through the code however, I cannot=
 figure out how the uImage code actually initializes the serial-ports for t=
he XILINX_VIRTEX_GENERIC_BOARD.  As I understand it, the only place where s=
erial_console_init is called, is within platform_init, and this isn't calle=
d for uImage.=0A=0ASo, three questions.=0A=0A1) How is the serial driver su=
pposed to know where the platforms serial ports are?=0A=0A2) If I wanted to=
 scrap u-boot and just copy kernel/ramdisk/dtb to memory, which kernel make=
 target should I use?  dtbImage, simpleImage?=0A=0A3) What is the best, mos=
t modern image to build that should be used by u-boot?=0A=0AThanks in advan=
ce=0A=0AJoshua=0A=0Ap.s. I've been trying with kernel.org mainline, xilinx =
git and denx ELDK xenomai (2.6.24).  U-boot is built from latest git source=
.  DTS file built from XPS 9.1i with latest service packs, and turned into =
DTB with latest dtc source from git.=0A=0A=0A-- =0AXiphos Technologies=0A(5=
14) 847-9474 x227=0A(514) 848-9644 fax=0A=0Awww.xiphos.com=0A______________=
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