diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2020-05-19 16:13:06 -0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-05-21 22:28:26 +0000 |
| commit | 6de79b9a1dedfb36e30a932f300de4ad8a5d27b4 (patch) | |
| tree | a0b90d56326c4583ecf6e8388a690f39ce9f1351 /src | |
| parent | 5df9a04640cf6ab97fab06ac2822c9a2640325b2 (diff) | |
soc/amd/picasso/chip.c: Generate ACPI nodes for PCI Bridge A and B
This node is required so we can add child ACPI nodes.
BUG=b:147042464
TEST=Boot trembyle and confirm Bus A has a firmware node
$ cat /sys/bus/pci/devices/0000\:00\:08.1/firmware_node/path
\_SB_.PCI0.PBRA
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I18144a69ed28a913bc9a2523d69edf84a1402e7e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41546
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/picasso/chip.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/src/soc/amd/picasso/chip.c b/src/soc/amd/picasso/chip.c index 26dcbfb9df..f5936646d2 100644 --- a/src/soc/amd/picasso/chip.c +++ b/src/soc/amd/picasso/chip.c @@ -112,18 +112,35 @@ struct device_operations pci_domain_ops = { .acpi_name = soc_acpi_name, }; +static struct device_operations pci_ops_ops_bus_ab = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .acpi_fill_ssdt = acpi_device_write_pci_dev, +}; + static void enable_dev(struct device *dev) { /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_DOMAIN) + if (dev->path.type == DEVICE_PATH_DOMAIN) { dev->ops = &pci_domain_ops; - else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) + } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { dev->ops = &cpu_bus_ops; - else if (dev->path.type == DEVICE_PATH_PCI) + } else if (dev->path.type == DEVICE_PATH_PCI) { + if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) { + switch (dev->path.pci.devfn) { + case PCIE_GPP_A_DEVFN: + case PCIE_GPP_B_DEVFN: + dev->ops = &pci_ops_ops_bus_ab; + } + } sb_enable(dev); - else if (dev->path.type == DEVICE_PATH_MMIO) + } else if (dev->path.type == DEVICE_PATH_MMIO) { if (i2c_acpi_name(dev) != NULL) dev->ops = &picasso_i2c_mmio_ops; + } } static void soc_init(void *chip_info) |