soc/intel/broadwell: Merge `chip.c` into `systemagent.c`

Prepare to break down Broadwell into CPU, northbridge and southbridge.

Change-Id: Ic844cc3bbff760fa0eed9d81208bbeef39577e9d
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46698
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/soc/intel/broadwell/systemagent.c b/src/soc/intel/broadwell/systemagent.c
index 0837e0ce27..4b4848b4ef 100644
--- a/src/soc/intel/broadwell/systemagent.c
+++ b/src/soc/intel/broadwell/systemagent.c
@@ -10,6 +10,7 @@
 #include <device/pci_ids.h>
 #include <intelblocks/power_limit.h>
 #include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/acpi.h>
 #include <soc/cpu.h>
 #include <soc/iomap.h>
 #include <soc/pci_devs.h>
@@ -451,3 +452,40 @@ static const struct pci_driver systemagent_driver __pci_driver = {
 	.vendor  = PCI_VENDOR_ID_INTEL,
 	.devices = systemagent_ids
 };
+
+static struct device_operations pci_domain_ops = {
+	.read_resources    = &pci_domain_read_resources,
+	.set_resources     = &pci_domain_set_resources,
+	.scan_bus          = &pci_domain_scan_bus,
+#if CONFIG(HAVE_ACPI_TABLES)
+	.write_acpi_tables = &northbridge_write_acpi_tables,
+#endif
+};
+
+static struct device_operations cpu_bus_ops = {
+	.read_resources   = noop_read_resources,
+	.set_resources    = noop_set_resources,
+	.init             = &broadwell_init_cpus,
+};
+
+static void broadwell_enable(struct device *dev)
+{
+	/* Set the operations if it is a special bus type */
+	if (dev->path.type == DEVICE_PATH_DOMAIN) {
+		dev->ops = &pci_domain_ops;
+	} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
+		dev->ops = &cpu_bus_ops;
+	} else if (dev->path.type == DEVICE_PATH_PCI) {
+		/* Handle PCH device enable */
+		if (PCI_SLOT(dev->path.pci.devfn) > SA_DEV_SLOT_MINIHD &&
+		    (dev->ops == NULL || dev->ops->enable == NULL)) {
+			broadwell_pch_enable_dev(dev);
+		}
+	}
+}
+
+struct chip_operations soc_intel_broadwell_ops = {
+	CHIP_NAME("Intel Broadwell")
+	.enable_dev = &broadwell_enable,
+	.init       = &broadwell_init_pre_device,
+};