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dm: x86: pci: Add a PCI driver for driver model

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Add a simple x86 PCI driver which uses standard functions provided by the
architecture.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-03-05 12:25:31 -07:00
parent a33aca10ac
commit a219daeafe
5 changed files with 75 additions and 0 deletions
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8
arch/x86/include/asm/pci.h
View file

@ -8,6 +8,8 @@
#ifndef _PCI_I386_H_
#define _PCI_I386_H_
#include <pci.h>
/* bus mapping constants (used for PCI core initialization) */
#define PCI_REG_ADDR 0xcf8
#define PCI_REG_DATA 0xcfc
@ -56,6 +58,12 @@ void x86_pci_write_config8(pci_dev_t dev, unsigned where, unsigned value);
void x86_pci_write_config16(pci_dev_t dev, unsigned where, unsigned value);
void x86_pci_write_config32(pci_dev_t dev, unsigned where, unsigned value);
int pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset,
ulong *valuep, enum pci_size_t size);
int pci_x86_write_config(struct udevice *bus, pci_dev_t bdf, uint offset,
ulong value, enum pci_size_t size);
#endif /* __ASSEMBLY__ */
#endif /* _PCI_I386_H_ */