src/southbridge/amd/common/amd_pci_util.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef AMD_PCI_UTIL_H
   4 #define AMD_PCI_UTIL_H
   5
   6 #include <stdint.h>
   7 #include "amd_pci_int_defs.h"
   8
   9 /* FCH index/data registers */
  10 #define PCI_INTR_INDEX  0xc00
  11 #define PCI_INTR_DATA   0xc01
  12
  13 struct pirq_struct {
  14         u8 devfn;
  15         u8 PIN[4];      /* PINA/B/C/D are index 0/1/2/3 */
  16 };
  17
  18 extern const struct pirq_struct * pirq_data_ptr;
  19 extern u32 pirq_data_size;
  20 extern const u8 *intr_data_ptr;
  21 extern const u8 *picr_data_ptr;
  22
  23 u8 read_pci_int_idx(u8 index, int mode);
  24 void write_pci_int_idx(u8 index, int mode, u8 data);
  25 void write_pci_cfg_irqs(void);
  26 void write_pci_int_table(void);
  27
  28 #endif /* AMD_PCI_UTIL_H */