Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use the value of the "soft-reset" property (if it exists) to locate 

the reset vector (needed on my shiny new G4).  from tsubai.
This commit is contained in:
chs 2003-08-17 18:12:34 +00:00
parent 86bd9c4a5e
commit f96eebf908
1 changed files with 16 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sys/arch/macppc/macppc/cpu.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.35 2003/08/08 07:15:20 matt Exp $ */
/* $NetBSD: cpu.c,v 1.36 2003/08/17 18:12:34 chs Exp $ */
/*-
* Copyright (c) 2001 Tsubai Masanari.
@ -33,7 +33,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.35 2003/08/08 07:15:20 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.36 2003/08/17 18:12:34 chs Exp $");
#include "opt_ppcparam.h"
#include "opt_multiprocessor.h"
@ -243,9 +243,11 @@ cpu_spinup(self, ci)
asm volatile ("sync; isync");
if (openpic_base) {
uint64_t tb;
u_int kl_base = 0x80000000; /* XXX */
u_int gpio = kl_base + 0x5c; /* XXX */
uint64_t tb;
u_int node, off;
char cpupath[32];
*(u_int *)EXC_RST = /* ba cpu_spinup_trampoline */
0x48000002 | (u_int)cpu_spinup_trampoline;
@ -253,6 +255,17 @@ cpu_spinup(self, ci)
h->running = -1;
/* see if there's an OF property for the reset register */
sprintf(cpupath, "/cpus/@%x", ci->ci_cpuid);
node = OF_finddevice(cpupath);
if (node == -1) {
printf(": no OF node for CPU %d?\n", ci->ci_cpuid);
return -1;
}
if (OF_getprop(node, "soft-reset", &off, 4) == 4) {
gpio = kl_base + off;
}
/* Start secondary cpu. */
out8(gpio, 4);
out8(gpio, 5);