The Power Hypervisor code expects to see a pca9554 device connected
to the 3rd PNV I2C engine on port 1 at I2C address 0x25 (or left-
justified address of 0x4A). This is used by the hypervisor code to
detect if a "Cable Card" is present.
Signed-off-by: Glenn Miles <mil...@linux.vnet.ibm.com>
---
hw/misc/Kconfig | 4 ++++
hw/misc/meson.build | 1 +
hw/ppc/Kconfig | 1 +
hw/ppc/pnv.c | 5 +++++
4 files changed, 11 insertions(+)
diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig
index cc8a8c1418..c347a132c2 100644
--- a/hw/misc/Kconfig
+++ b/hw/misc/Kconfig
@@ -34,6 +34,10 @@ config PCA9552
bool
depends on I2C
+config PCA9554
+ bool
+ depends on I2C
+
config I2C_ECHO
bool
default y if TEST_DEVICES
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 36c20d5637..c39410e4a7 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -4,6 +4,7 @@ system_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true:
files('vmcoreinfo.c'))
system_ss.add(when: 'CONFIG_ISA_DEBUG', if_true: files('debugexit.c'))
system_ss.add(when: 'CONFIG_ISA_TESTDEV', if_true: files('pc-testdev.c'))
system_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c'))
+system_ss.add(when: 'CONFIG_PCA9554', if_true: files('pca9554.c'))
system_ss.add(when: 'CONFIG_PCI_TESTDEV', if_true: files('pci-testdev.c'))
system_ss.add(when: 'CONFIG_UNIMP', if_true: files('unimp.c'))
system_ss.add(when: 'CONFIG_EMPTY_SLOT', if_true: files('empty_slot.c'))
diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
index f77ca773cf..2302778265 100644
--- a/hw/ppc/Kconfig
+++ b/hw/ppc/Kconfig
@@ -33,6 +33,7 @@ config POWERNV
select FDT_PPC
select PCI_POWERNV
select PCA9552
+ select PCA9554
config PPC405
bool
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 516434bc9c..b6b4164d78 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -1903,6 +1903,11 @@ static void pnv_chip_power10_realize(DeviceState *dev,
Error **errp)
qdev_connect_gpio_out(DEVICE(hotplug), 4,
qdev_get_gpio_in(DEVICE(hotplug), 9));
+ /*
+ * Add a PCA9554 I2C device for cable card presence detection
+ * to engine 2, bus 1, address 0x25
+ */
+ i2c_slave_create_simple(chip10->i2c[2].busses[1], "pca9554", 0x25);
}
static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
--
2.31.1
