diff options
Diffstat (limited to 'src/northbridge/intel/i5000/halt_second_bsp.S')
| -rw-r--r-- | src/northbridge/intel/i5000/halt_second_bsp.S | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/northbridge/intel/i5000/halt_second_bsp.S b/src/northbridge/intel/i5000/halt_second_bsp.S deleted file mode 100644 index 041807ecc7..0000000000 --- a/src/northbridge/intel/i5000/halt_second_bsp.S +++ /dev/null @@ -1,58 +0,0 @@ - /* Save BIST result */ - - movl %eax, %ebp - - /* check if SPAD0 is cleared. If yes, it means this was a hard reset */ - movl $0x800080d0, %eax - movw $0xcf8, %dx - outl %eax, %dx - - addw $4, %dx - inl %dx, %eax - cmp $0, %eax - je no_reset - - /* perform hard reset */ - movw $0xcf9, %dx - movb $0x06, %al - outb %al, %dx - -loop0: hlt - jmp loop0 - -no_reset: - - /* Read the semaphore register of i5000 (BOFL0). - If it returns zero, it means there was already - another read by another CPU */ - - movl $0x800080c0, %eax - movw $0xcf8, %dx - outl %eax, %dx - - addw $4, %dx - inl %dx, %eax - cmp $0, %eax - jne 1f - - /* degrade BSP to AP */ - mov $0x1b, %ecx - rdmsr - andl $(~0x100), %eax - wrmsr - - cli -loop: hlt - jmp loop - -1: /* set magic value for soft reset detection */ - movl $0x800080d0, %eax - movw $0xcf8, %dx - outl %eax, %dx - - addw $4, %dx - movl $0x12345678, %eax - outl %eax, %dx - - /* Restore BIST */ - mov %ebp, %eax |