coreboot-kgpe-d16/src/include/device/pciexp.h
Duncan Laurie 90dcdd43ee Add support for enabling PCIe Common Clock and ASPM
These are guarded by individual Kconfig entries. The deprecated
CONFIG_PCIE_TUNING defines have been removed in favor of using specific
config options.

This is the generic half, there is board-specific pieces
still to come that tune before and after ASPM is enabled.

Change-Id: I3fe46282eada67629e9eeeed07e487dff54f2729
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: http://review.coreboot.org/735
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)
2012-03-29 22:16:07 +02:00

18 lines
484 B
C

#ifndef DEVICE_PCIEXP_H
#define DEVICE_PCIEXP_H
/* (c) 2005 Linux Networx GPL see COPYING for details */
enum aspm_type {
PCIE_ASPM_NONE = 0,
PCIE_ASPM_L0S = 1,
PCIE_ASPM_L1 = 2,
PCIE_ASPM_BOTH = 3,
};
unsigned int pciexp_scan_bus(struct bus *bus, unsigned int min_devfn,
unsigned int max_devfn, unsigned int max);
unsigned int pciexp_scan_bridge(device_t dev, unsigned int max);
extern struct device_operations default_pciexp_ops_bus;
#endif /* DEVICE_PCIEXP_H */