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 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
