2f3456a873
Tested with BUILD_TIMELESS=1, Asus P8Z77-V LX2 does not change. Change-Id: I2d3779967f357dd380928869c630a1996fdd60ec Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42147 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
212 lines
4.9 KiB
C
212 lines
4.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#ifndef PCI_OPS_H
|
|
#define PCI_OPS_H
|
|
|
|
#include <stdint.h>
|
|
#include <device/device.h>
|
|
#include <device/pci_type.h>
|
|
#include <arch/pci_ops.h>
|
|
|
|
void __noreturn pcidev_die(void);
|
|
|
|
static __always_inline pci_devfn_t pcidev_bdf(const struct device *dev)
|
|
{
|
|
return (dev->path.pci.devfn << 12) | (dev->bus->secondary << 20);
|
|
}
|
|
|
|
static __always_inline pci_devfn_t pcidev_assert(const struct device *dev)
|
|
{
|
|
if (!dev)
|
|
pcidev_die();
|
|
return pcidev_bdf(dev);
|
|
}
|
|
|
|
#if defined(__SIMPLE_DEVICE__)
|
|
#define ENV_PCI_SIMPLE_DEVICE 1
|
|
#else
|
|
#define ENV_PCI_SIMPLE_DEVICE 0
|
|
#endif
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
|
|
/* Avoid name collisions as different stages have different signature
|
|
* for these functions. The _s_ stands for simple, fundamental IO or
|
|
* MMIO variant.
|
|
*/
|
|
#define pci_read_config8 pci_s_read_config8
|
|
#define pci_read_config16 pci_s_read_config16
|
|
#define pci_read_config32 pci_s_read_config32
|
|
#define pci_write_config8 pci_s_write_config8
|
|
#define pci_write_config16 pci_s_write_config16
|
|
#define pci_write_config32 pci_s_write_config32
|
|
#else
|
|
|
|
static __always_inline
|
|
u8 pci_read_config8(const struct device *dev, u16 reg)
|
|
{
|
|
return pci_s_read_config8(PCI_BDF(dev), reg);
|
|
}
|
|
|
|
static __always_inline
|
|
u16 pci_read_config16(const struct device *dev, u16 reg)
|
|
{
|
|
return pci_s_read_config16(PCI_BDF(dev), reg);
|
|
}
|
|
|
|
static __always_inline
|
|
u32 pci_read_config32(const struct device *dev, u16 reg)
|
|
{
|
|
return pci_s_read_config32(PCI_BDF(dev), reg);
|
|
}
|
|
|
|
static __always_inline
|
|
void pci_write_config8(const struct device *dev, u16 reg, u8 val)
|
|
{
|
|
pci_s_write_config8(PCI_BDF(dev), reg, val);
|
|
}
|
|
|
|
static __always_inline
|
|
void pci_write_config16(const struct device *dev, u16 reg, u16 val)
|
|
{
|
|
pci_s_write_config16(PCI_BDF(dev), reg, val);
|
|
}
|
|
|
|
static __always_inline
|
|
void pci_write_config32(const struct device *dev, u16 reg, u32 val)
|
|
{
|
|
pci_s_write_config32(PCI_BDF(dev), reg, val);
|
|
}
|
|
|
|
#endif
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_update_config8(pci_devfn_t dev, u16 reg, u8 mask, u8 or)
|
|
#else
|
|
static __always_inline
|
|
void pci_update_config8(const struct device *dev, u16 reg, u8 mask, u8 or)
|
|
#endif
|
|
{
|
|
u8 reg8;
|
|
|
|
reg8 = pci_read_config8(dev, reg);
|
|
reg8 &= mask;
|
|
reg8 |= or;
|
|
pci_write_config8(dev, reg, reg8);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_update_config16(pci_devfn_t dev, u16 reg, u16 mask, u16 or)
|
|
#else
|
|
static __always_inline
|
|
void pci_update_config16(const struct device *dev, u16 reg, u16 mask, u16 or)
|
|
#endif
|
|
{
|
|
u16 reg16;
|
|
|
|
reg16 = pci_read_config16(dev, reg);
|
|
reg16 &= mask;
|
|
reg16 |= or;
|
|
pci_write_config16(dev, reg, reg16);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_update_config32(pci_devfn_t dev, u16 reg, u32 mask, u32 or)
|
|
#else
|
|
static __always_inline
|
|
void pci_update_config32(const struct device *dev, u16 reg, u32 mask, u32 or)
|
|
#endif
|
|
{
|
|
u32 reg32;
|
|
|
|
reg32 = pci_read_config32(dev, reg);
|
|
reg32 &= mask;
|
|
reg32 |= or;
|
|
pci_write_config32(dev, reg, reg32);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_and_config8(pci_devfn_t dev, u16 reg, u8 andmask)
|
|
#else
|
|
static __always_inline
|
|
void pci_and_config8(const struct device *dev, u16 reg, u8 andmask)
|
|
#endif
|
|
{
|
|
pci_update_config8(dev, reg, andmask, 0);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_and_config16(pci_devfn_t dev, u16 reg, u16 andmask)
|
|
#else
|
|
static __always_inline
|
|
void pci_and_config16(const struct device *dev, u16 reg, u16 andmask)
|
|
#endif
|
|
{
|
|
pci_update_config16(dev, reg, andmask, 0);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_and_config32(pci_devfn_t dev, u16 reg, u32 andmask)
|
|
#else
|
|
static __always_inline
|
|
void pci_and_config32(const struct device *dev, u16 reg, u32 andmask)
|
|
#endif
|
|
{
|
|
pci_update_config32(dev, reg, andmask, 0);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_or_config8(pci_devfn_t dev, u16 reg, u8 ormask)
|
|
#else
|
|
static __always_inline
|
|
void pci_or_config8(const struct device *dev, u16 reg, u8 ormask)
|
|
#endif
|
|
{
|
|
pci_update_config8(dev, reg, 0xff, ormask);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_or_config16(pci_devfn_t dev, u16 reg, u16 ormask)
|
|
#else
|
|
static __always_inline
|
|
void pci_or_config16(const struct device *dev, u16 reg, u16 ormask)
|
|
#endif
|
|
{
|
|
pci_update_config16(dev, reg, 0xffff, ormask);
|
|
}
|
|
|
|
#if ENV_PCI_SIMPLE_DEVICE
|
|
static __always_inline
|
|
void pci_or_config32(pci_devfn_t dev, u16 reg, u32 ormask)
|
|
#else
|
|
static __always_inline
|
|
void pci_or_config32(const struct device *dev, u16 reg, u32 ormask)
|
|
#endif
|
|
{
|
|
pci_update_config32(dev, reg, 0xffffffff, ormask);
|
|
}
|
|
|
|
u16 pci_s_find_next_capability(pci_devfn_t dev, u16 cap, u16 last);
|
|
u16 pci_s_find_capability(pci_devfn_t dev, u16 cap);
|
|
|
|
static __always_inline
|
|
u16 pci_find_next_capability(const struct device *dev, u16 cap, u16 last)
|
|
{
|
|
return pci_s_find_next_capability(PCI_BDF(dev), cap, last);
|
|
}
|
|
|
|
static __always_inline
|
|
u16 pci_find_capability(const struct device *dev, u16 cap)
|
|
{
|
|
return pci_s_find_capability(PCI_BDF(dev), cap);
|
|
}
|
|
|
|
#endif /* PCI_OPS_H */
|