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