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authorCorey Minyard <cminyard@mvista.com>2018-08-20 15:26:08 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2018-08-23 18:46:25 +0200
commit45726b6e2c6075826cacd87f7bdde372589b7cf3 (patch)
treead993f6dc9b665b5644cbb992ee35acf090b24a9 /hw/i2c/pm_smbus.c
parent12bd93c150239020803b1ae08af819cd38e55360 (diff)
i2c: pm_smbus: Add the ability to force block transfer enable
The PIIX4 hardware has block transfer buffer always enabled in the hardware, but the i801 does not. Add a parameter to pm_smbus_init to force on the block transfer so the PIIX4 handler can enable this by default, as it was disabled by default before. Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1534796770-10295-9-git-send-email-minyard@acm.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/i2c/pm_smbus.c')
-rw-r--r--hw/i2c/pm_smbus.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index 91ee444590..685a2378ed 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -402,11 +402,14 @@ static const MemoryRegionOps pm_smbus_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
-void pm_smbus_init(DeviceState *parent, PMSMBus *smb)
+void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk)
{
smb->op_done = true;
smb->reset = pm_smbus_reset;
smb->smbus = i2c_init_bus(parent, "i2c");
+ if (force_aux_blk) {
+ smb->smb_auxctl |= AUX_BLK;
+ }
memory_region_init_io(&smb->io, OBJECT(parent), &pm_smbus_ops, smb,
"pm-smbus", 64);
}