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 | |