diff options
| -rw-r--r-- | hw/ppc/pnv.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 78f5c62..97bdfb2 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -1900,7 +1900,19 @@ static void pnv_rainier_i2c_init(PnvMachineState *pnv) * Add a PCA9552 I2C device for PCIe hotplug control * to engine 2, bus 1, address 0x63 */ - i2c_slave_create_simple(chip10->i2c[2].busses[1], "pca9552", 0x63); + I2CSlave *dev = i2c_slave_create_simple(chip10->i2c[2].busses[1], + "pca9552", 0x63); + + /* + * Connect PCA9552 GPIO pins 0-4 (SLOTx_EN) outputs to GPIO pins 5-9 + * (SLOTx_PG) inputs in order to fake the pgood state of PCIe slots + * after hypervisor code sets a SLOTx_EN pin high. + */ + qdev_connect_gpio_out(DEVICE(dev), 0, qdev_get_gpio_in(DEVICE(dev), 5)); + qdev_connect_gpio_out(DEVICE(dev), 1, qdev_get_gpio_in(DEVICE(dev), 6)); + qdev_connect_gpio_out(DEVICE(dev), 2, qdev_get_gpio_in(DEVICE(dev), 7)); + qdev_connect_gpio_out(DEVICE(dev), 3, qdev_get_gpio_in(DEVICE(dev), 8)); + qdev_connect_gpio_out(DEVICE(dev), 4, qdev_get_gpio_in(DEVICE(dev), 9)); } } |