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| author | Gerd Hoffmann <kraxel@redhat.com> | 2015-05-06 10:58:30 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-06-05 19:45:13 +0200 |
| commit | 11e66a15a084cb0820dba13f4ea3b15b0512fd39 (patch) | |
| tree | 8735fe3061fe96f8e5c6fc36a12162e783051e76 /include/hw/i386/ich9.h | |
| parent | bafc90bdc594a4d04db846bd8712bdcec59678a8 (diff) | |
| download | focaccia-qemu-11e66a15a084cb0820dba13f4ea3b15b0512fd39.tar.gz focaccia-qemu-11e66a15a084cb0820dba13f4ea3b15b0512fd39.zip | |
ich9: implement SMI_LOCK
Add write mask for the smi enable register, so we can disable write access to certain bits. Open all bits on reset. Disable write access to GBL_SMI_EN when SMI_LOCK (in ich9 lpc pci config space) is set. Write access to SMI_LOCK itself is disabled too. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/hw/i386/ich9.h')
| -rw-r--r-- | include/hw/i386/ich9.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h index f4e522cc1f..a2cc15c915 100644 --- a/include/hw/i386/ich9.h +++ b/include/hw/i386/ich9.h @@ -152,6 +152,12 @@ Object *ich9_lpc_find(void); #define ICH9_LPC_PIRQ_ROUT_MASK Q35_MASK(8, 3, 0) #define ICH9_LPC_PIRQ_ROUT_DEFAULT 0x80 +#define ICH9_LPC_GEN_PMCON_1 0xa0 +#define ICH9_LPC_GEN_PMCON_1_SMI_LOCK (1 << 4) +#define ICH9_LPC_GEN_PMCON_2 0xa2 +#define ICH9_LPC_GEN_PMCON_3 0xa4 +#define ICH9_LPC_GEN_PMCON_LOCK 0xa6 + #define ICH9_LPC_RCBA 0xf0 #define ICH9_LPC_RCBA_BA_MASK Q35_MASK(32, 31, 14) #define ICH9_LPC_RCBA_EN 0x1 |