linux/arch/sparc/kernel/psycho_common.h

50 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PSYCHO_COMMON_H
#define _PSYCHO_COMMON_H
/* U2P Programmer's Manual, page 13-55, configuration space
* address format:
*
* 32 24 23 16 15 11 10 8 7 2 1 0
* ---------------------------------------------------------
* |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
* ---------------------------------------------------------
*/
#define PSYCHO_CONFIG_BASE(PBM) \
((PBM)->config_space | (1UL << 24))
#define PSYCHO_CONFIG_ENCODE(BUS, DEVFN, REG) \
(((unsigned long)(BUS) << 16) | \
((unsigned long)(DEVFN) << 8) | \
((unsigned long)(REG)))
static inline void *psycho_pci_config_mkaddr(struct pci_pbm_info *pbm,
unsigned char bus,
unsigned int devfn,
int where)
{
return (void *)
(PSYCHO_CONFIG_BASE(pbm) |
PSYCHO_CONFIG_ENCODE(bus, devfn, where));
}
enum psycho_error_type {
UE_ERR, CE_ERR, PCI_ERR
};
void psycho_check_iommu_error(struct pci_pbm_info *pbm,
unsigned long afsr,
unsigned long afar,
enum psycho_error_type type);
irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
u32 dvma_offset, u32 dma_mask,
unsigned long write_complete_offset);
void psycho_pbm_init_common(struct pci_pbm_info *pbm,
struct platform_device *op,
const char *chip_name, int chip_type);
#endif /* _PSYCHO_COMMON_H */