1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PSYCHO_COMMON_H
3 #define _PSYCHO_COMMON_H
4
5 /* U2P Programmer's Manual, page 13-55, configuration space
6 * address format:
7 *
8 * 32 24 23 16 15 11 10 8 7 2 1 0
9 * ---------------------------------------------------------
10 * |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
11 * ---------------------------------------------------------
12 */
13 #define PSYCHO_CONFIG_BASE(PBM) \
14 ((PBM)->config_space | (1UL << 24))
15 #define PSYCHO_CONFIG_ENCODE(BUS, DEVFN, REG) \
16 (((unsigned long)(BUS) << 16) | \
17 ((unsigned long)(DEVFN) << 8) | \
18 ((unsigned long)(REG)))
19
20 static inline void *psycho_pci_config_mkaddr(struct pci_pbm_info *pbm,
21 unsigned char bus,
22 unsigned int devfn,
23 int where)
24 {
25 return (void *)
26 (PSYCHO_CONFIG_BASE(pbm) |
27 PSYCHO_CONFIG_ENCODE(bus, devfn, where));
28 }
29
30 enum psycho_error_type {
31 UE_ERR, CE_ERR, PCI_ERR
32 };
33
34 void psycho_check_iommu_error(struct pci_pbm_info *pbm,
35 unsigned long afsr,
36 unsigned long afar,
37 enum psycho_error_type type);
38
39 irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
40
41 int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
42 u32 dvma_offset, u32 dma_mask,
43 unsigned long write_complete_offset);
44
45 void psycho_pbm_init_common(struct pci_pbm_info *pbm,
46 struct platform_device *op,
47 const char *chip_name, int chip_type);
48
49 #endif /* _PSYCHO_COMMON_H */
50
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