Hi Bin, On 25 May 2015 at 08:36, Bin Meng <[email protected]> wrote: > Writing 0xcb to I/O port 0xb2 (Advanced Power Management Control) causes > U-Boot to hang on QEMU q35 target. Disable the writing for QEMU targets. > > Signed-off-by: Bin Meng <[email protected]> > --- > > arch/x86/cpu/coreboot/coreboot.c | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/arch/x86/cpu/coreboot/coreboot.c > b/arch/x86/cpu/coreboot/coreboot.c > index 4cdd0d4..2234cf0 100644 > --- a/arch/x86/cpu/coreboot/coreboot.c > +++ b/arch/x86/cpu/coreboot/coreboot.c > @@ -85,10 +85,6 @@ void board_final_cleanup(void) > wrmsrl(MTRR_PHYS_MASK_MSR(top_mtrr), 0); > mtrr_close(&state); > } > - > - /* Issue SMI to Coreboot to lock down ME and registers */ > - printf("Finalizing Coreboot\n"); > - outb(0xcb, 0xb2); > } > > void panic_puts(const char *str) > -- > 1.8.2.1 >
But how does this run with coreboot on platforms that need it? Should this be controlled by a device tree settings, perhaps? Regards, Simon _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
