board/MAI/AmigaOneG3SE/memio.S

   1 #include        "macros.h"
   2
   3
   4         .globl pci_read_cfg_byte
   5
   6 pci_read_cfg_byte:
   7         config_addr
   8         config_data     3
   9         eieio
  10         sync
  11         lbz     r3, 0(r9)
  12         blr
  13
  14
  15         .globl pci_write_cfg_byte
  16
  17 pci_write_cfg_byte:
  18         config_addr
  19         config_data     3
  20         stb     r6, 0(r9)
  21         eieio
  22         sync
  23         blr
  24
  25
  26         .globl pci_read_cfg_word
  27
  28 pci_read_cfg_word:
  29         config_addr
  30         config_data     2
  31         lhbrx   r3, 0, r9
  32         eieio
  33         sync
  34         blr
  35
  36
  37         .globl pci_write_cfg_word
  38
  39 pci_write_cfg_word:
  40         config_addr
  41         config_data     2
  42         sthbrx  r6, 0, r9
  43         eieio
  44         sync
  45         blr
  46
  47
  48         .globl pci_read_cfg_long
  49
  50 pci_read_cfg_long:
  51         config_addr
  52         config_data     0
  53         lwbrx   r3, 0, r9
  54         eieio
  55         sync
  56         blr
  57
  58
  59         .globl pci_write_cfg_long
  60
  61 pci_write_cfg_long:
  62         config_addr
  63         config_data     0
  64         stwbrx  r6, 0, r9
  65         eieio
  66         sync
  67         blr