1 #ifndef _PSYCHO_COMMON_H
2 #define _PSYCHO_COMMON_H
3
4 /* U2P Programmer's Manual, page 13-55, configuration space
5 * address format:
6 *
7 * 32 24 23 16 15 11 10 8 7 2 1 0
8 * ---------------------------------------------------------
9 * |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
10 * ---------------------------------------------------------
11 */
12 #define PSYCHO_CONFIG_BASE(PBM) \
13 ((PBM)->config_space | (1UL << 24))
14 #define PSYCHO_CONFIG_ENCODE(BUS, DEVFN, REG) \
15 (((unsigned long)(BUS) << 16) | \
16 ((unsigned long)(DEVFN) << 8) | \
17 ((unsigned long)(REG)))
18
psycho_pci_config_mkaddr(struct pci_pbm_info * pbm,unsigned char bus,unsigned int devfn,int where)19 static inline void *psycho_pci_config_mkaddr(struct pci_pbm_info *pbm,
20 unsigned char bus,
21 unsigned int devfn,
22 int where)
23 {
24 return (void *)
25 (PSYCHO_CONFIG_BASE(pbm) |
26 PSYCHO_CONFIG_ENCODE(bus, devfn, where));
27 }
28
29 enum psycho_error_type {
30 UE_ERR, CE_ERR, PCI_ERR
31 };
32
33 extern void psycho_check_iommu_error(struct pci_pbm_info *pbm,
34 unsigned long afsr,
35 unsigned long afar,
36 enum psycho_error_type type);
37
38 extern irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
39
40 extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
41 u32 dvma_offset, u32 dma_mask,
42 unsigned long write_complete_offset);
43
44 extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
45 struct platform_device *op,
46 const char *chip_name, int chip_type);
47
48 #endif /* _PSYCHO_COMMON_H */
49