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
19static 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
29enum psycho_error_type {
30	UE_ERR, CE_ERR, PCI_ERR
31};
32
33void psycho_check_iommu_error(struct pci_pbm_info *pbm,
34			      unsigned long afsr,
35			      unsigned long afar,
36			      enum psycho_error_type type);
37
38irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
39
40int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
41		      u32 dvma_offset, u32 dma_mask,
42		      unsigned long write_complete_offset);
43
44void 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