| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |