[coreboot] FIRST LINUX BOOT: v3 on alix1c!
Marc Jones
Marc.Jones at AMD.com
Thu Feb 7 20:27:57 CET 2008
ron minnich wrote:
> With this patch to FILO:
> Index: i386/timer.c
> ===================================================================
> --- i386/timer.c (revision 35)
> +++ i386/timer.c (working copy)
> @@ -105,7 +105,7 @@
> return (end - start) * CLOCK_TICK_RATE / (1000*LATCH);
> }
>
> -static unsigned long long cpu_khz;
> +static unsigned long long cpu_khz = 500000;
> void setup_timers(void)
> {
> if (!cpu_khz) {
>
>
> I just booted linux. First v3 boot on real hardware.
>
> There are still problems. Linux is quite busy as revealed by a POST
> card but we don't seem to get interrupts. Things are not wired
> correctly.
>
> I am attaching the console log as I think this is pretty important for v3 :-)
>
> Wow, this was a long haul, but we are very close. Thanks to you all.
>
>
> thanks
>
> ron
>
You need good settings for the southbridge in your platform dts. You
should be able to copy these from v2.
/* LPC IRQ polarity. Each bit is an IRQ 0-15. */
lpc_serirq_polarity = "0";
/* 0:continuous 1:quiet */
lpc_serirq_mode = "0";
/* GPIO(0-0x20) for INT D:C:B:A, 0xFF=none. See virtual PIC spec. */
enable_gpio_int_route = "0";
Marc
--
Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
http://www.amd.com/embeddedprocessors
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