summaryrefslogtreecommitdiff
path: root/sys/arch/powerpc
diff options
context:
space:
mode:
authorDale Rahn <drahn@cvs.openbsd.org>2001-03-03 05:46:44 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2001-03-03 05:46:44 +0000
commitb819906b9ae40459b49c8b45c90542198eed4246 (patch)
treede43b51ab1a605d13ec407cec0da437037c087c8 /sys/arch/powerpc
parent4c0f07e3925a807fc67822ab724a7b6289c29d09 (diff)
Force the ADB bus to configure. This change was found in NetBSD, but they
have since removed it. It is probably not the correct solution, but makes it closer to working.
Diffstat (limited to 'sys/arch/powerpc')
-rw-r--r--sys/arch/powerpc/mac/pm_direct.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/arch/powerpc/mac/pm_direct.c b/sys/arch/powerpc/mac/pm_direct.c
index 1fe916d8b7b..2bf0dfc7373 100644
--- a/sys/arch/powerpc/mac/pm_direct.c
+++ b/sys/arch/powerpc/mac/pm_direct.c
@@ -831,6 +831,26 @@ pm_intr_pm2()
s = splhigh();
+ for (;;) {
+ u_int ifr;
+ ifr = read_via_reg(VIA1, vIFR);
+
+ if (ifr == 0)
+ break;
+
+ if (ifr & V1IF_ADBRDY) {
+ write_via_reg(VIA1, vIFR, V1IF_ADBRDY);
+ ifr &= ~V1IF_ADBRDY;
+ delay(120000); /* XXX */
+ } else if (ifr & V1IF_ADBCLK) {
+ write_via_reg(VIA1, vIFR, V1IF_ADBCLK);
+ ifr &= ~V1IF_ADBCLK;
+ }
+
+ if (ifr)
+ write_via_reg(VIA1, vIFR, ifr);
+ }
+
PM_VIA_CLR_INTR(); /* clear VIA1 interrupt */
/* ask PM what happend */
pmdata.command = 0x78;