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intel/cannonlake/chip: Add initial PCI enum support 

Add callbacks for initial PCI devices enumeration.

Change-Id: Ia8a51973aa2b805d62590114bfc49968244b1668
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/21053
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Pratik Prajapati 2017-08-16 11:42:40 -07:00 committed by Aaron Durbin
parent dc1e6bc277
commit 201fa8ffe5
1 changed files with 30 additions and 1 deletions
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31
src/soc/intel/cannonlake/chip.c
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@ -15,9 +15,9 @@
#include <chip.h> #include <chip.h>
#include <console/console.h> #include <console/console.h>
#include <device/device.h>
#include <device/pci.h> #include <device/pci.h>
#include <fsp/api.h> #include <fsp/api.h>
#include <fsp/api.h>
#include <fsp/util.h> #include <fsp/util.h>
#include <romstage_handoff.h> #include <romstage_handoff.h>
#include <soc/ramstage.h> #include <soc/ramstage.h>
@ -29,8 +29,37 @@ void soc_init_pre_device(void *chip_info)
fsp_silicon_init(romstage_handoff_is_resume()); fsp_silicon_init(romstage_handoff_is_resume());
} }
static void pci_domain_set_resources(device_t dev)
{
assign_resources(dev->link_list);
}
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,
.ops_pci_bus = &pci_bus_default_ops,
};
static struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = DEVICE_NOOP,
};
static void soc_enable(device_t 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;
}
struct chip_operations soc_intel_cannonlake_ops = { struct chip_operations soc_intel_cannonlake_ops = {
CHIP_NAME("Intel Cannonlake") CHIP_NAME("Intel Cannonlake")
.enable_dev = &soc_enable,
.init = &soc_init_pre_device, .init = &soc_init_pre_device,
}; };