diff options
Diffstat (limited to 'src/cpu/amd/geode_gx1/cpu_setup.inc')
| -rw-r--r-- | src/cpu/amd/geode_gx1/cpu_setup.inc | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/src/cpu/amd/geode_gx1/cpu_setup.inc b/src/cpu/amd/geode_gx1/cpu_setup.inc deleted file mode 100644 index d701f8d226..0000000000 --- a/src/cpu/amd/geode_gx1/cpu_setup.inc +++ /dev/null @@ -1,68 +0,0 @@ -/* - freebios/src/northbridge/nsc/gx1/cpu_setup.inc - - Copyright (c) 2002 Christer Weinigel <wingel@hack.org> - - Initialize the GX1 CPU configuration registers -*/ - -/* USES: esi, ecx, eax */ - -#include <cpu/amd/gx1def.h> - - movl %eax, %ebp /* preserve bist */ - -cpu_setup_start: - leal cpu_setup_table, %esi - movl $cpu_setup_len, %ecx - -cpu_setup_loop: - movw (%esi), %ax - addl $2, %esi - outb %al, $0x22 - movb %ah, %al - outb %al, $0x23 - loop cpu_setup_loop - - movb $0xff, %al /* DIR1 -- Identification Register 1 */ - outb %al, $0x22 - inb $0x23, %al - cmpb $0x63, %al /* Revision for GXLV rev 3 */ - jbe cpu_no_ccr4 - - movb $0xe8, %al /* CCR4 */ - outb %al, $0x22 - inb $0x23, %al - orb $0x20, %al /* Enable FPU Fast Mode */ - outb %al, $0x23 - - movb $0xf0, %al /* PCR1 --- Performace Control */ - outb %al, $0x22 - inb $0x23, %al - orb $0x02, %al /* Incrementor on, whatever that is */ - outb %al, $0x23 - - movb $0x20, %al /* PCR0 --- Performace Control */ - outb %al, $0x22 - inb $0x23, %al - orb $0x20, %al /* Must be 1 according to data book */ - orb $0x04, %al /* Incrementor Margin 10 */ - outb %al, $0x23 -cpu_no_ccr4: - - jmp cpu_setup_end - -cpu_setup_table: - .byte 0xc1, 0x00 /* NO SMIs */ - .byte 0xc3, 0x14 /* Enable CPU config register */ - .byte 0x20, 0x00 - .byte 0xb8, GX_BASE>>30 /* Enable GXBASE address */ - .byte 0xc2, 0x00 - .byte 0xe8, 0x98 - .byte 0xc3, 0xf8 /* Enable CPU config register */ -cpu_setup_len = (.-cpu_setup_table)/2 - -cpu_setup_end: - nop - - movl %ebp, %eax /* Restore bist */ |