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 
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 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 irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
39 
40 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 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