On 27/05/2015 11:32, Paolo Bonzini wrote:
On 27/05/2015 02:28, Paulo Alcantara wrote:
This patch initialises root complex register block BAR in order to support TCO watchdog emulation features on QEMU.
Signed-off-by: Paulo Alcantara pcacjr@zytor.com
src/fw/dev-q35.h | 3 +++ src/fw/pciinit.c | 4 ++++ 2 files changed, 7 insertions(+)
diff --git a/src/fw/dev-q35.h b/src/fw/dev-q35.h index c6f8bd9..201825d 100644 --- a/src/fw/dev-q35.h +++ b/src/fw/dev-q35.h @@ -27,6 +27,9 @@ #define ICH9_LPC_GEN_PMCON_1_SMI_LOCK (1 << 4) #define ICH9_LPC_PORT_ELCR1 0x4d0 #define ICH9_LPC_PORT_ELCR2 0x4d1 +#define ICH9_LPC_RCBA 0xf0 +#define ICH9_LPC_RCBA_ADDR 0xfed1c000 +#define ICH9_LPC_RCBA_EN 0x1 #define PCI_DEVICE_ID_INTEL_ICH9_SMBUS 0x2930 #define ICH9_SMB_SMB_BASE 0x20 #define ICH9_SMB_HOSTC 0x40 diff --git a/src/fw/pciinit.c b/src/fw/pciinit.c index ac39d23..defccf3 100644 --- a/src/fw/pciinit.c +++ b/src/fw/pciinit.c @@ -183,6 +183,10 @@ static void mch_isa_bridge_setup(struct pci_device *dev, void *arg) /* acpi enable, SCI: IRQ9 000b = irq9*/ pci_config_writeb(bdf, ICH9_LPC_ACPI_CTRL, ICH9_LPC_ACPI_CTRL_ACPI_EN);
- /* set root complex register block BAR */
- pci_config_writel(bdf, ICH9_LPC_RCBA,
ICH9_LPC_RCBA_ADDR | ICH9_LPC_RCBA_EN);- acpi_pm1a_cnt = acpi_pm_base + 0x04; pmtimer_setup(acpi_pm_base + 0x08);
}
Reviewed-by: Paolo Bonzini pbonzini@redhat.com
Ping? If TCO support is added to QEMU 2.4, we need this patch too.
Paolo