diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-12 08:11:28 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-12 08:11:28 +0000 |
| commit | b6d0a50e9558bc0e1b1d189cfcacb6422ff0cdfc (patch) | |
| tree | a3dd695551c566fa26ecd78ed1e0f980c4b5196e /sys | |
| parent | bf1053d93b0dbf7788895c6dca0cdbd684a521f6 (diff) | |
Allow more legacy interrupts to reach the legacy PIC; found the hard way by
otto@ on Fuloong.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/loongson/dev/glx.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/arch/loongson/dev/glx.c b/sys/arch/loongson/dev/glx.c index 40b73b18758..70d8dfb888a 100644 --- a/sys/arch/loongson/dev/glx.c +++ b/sys/arch/loongson/dev/glx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: glx.c,v 1.3 2010/02/05 20:44:01 miod Exp $ */ +/* $OpenBSD: glx.c,v 1.4 2010/02/12 08:11:27 miod Exp $ */ /* * Copyright (c) 2009 Miodrag Vallat. @@ -98,14 +98,27 @@ glx_init(pci_chipset_tag_t pc, pcitag_t tag, int dev) /* * Perform some Geode intialization. */ + msr = rdmsr(DIVIL_BALL_OPTS); /* 0x71 */ wrmsr(DIVIL_BALL_OPTS, msr | 0x01); - /* route usb interrupt */ + /* + * Route usb, audio and serial interrupts + */ + msr = rdmsr(PIC_YSEL_LOW); msr &= ~(0xfUL << 8); + msr &= ~(0xfUL << 16); msr |= 11 << 8; + msr |= 9 << 16; wrmsr(PIC_YSEL_LOW, msr); + + msr = rdmsr(PIC_YSEL_HIGH); + msr &= ~(0xfUL << 24); + msr &= ~(0xfUL << 28); + msr |= 4 << 24; + msr |= 3 << 28; + wrmsr(PIC_YSEL_HIGH, msr); } uint64_t |