mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 03:10:50 +07:00
a8fc078955
This patch provides driver for ITE 8152 PCI bridge. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
#ifndef ASMARM_PCI_H
|
|
#define ASMARM_PCI_H
|
|
|
|
#ifdef __KERNEL__
|
|
#include <asm-generic/pci-dma-compat.h>
|
|
|
|
#include <asm/hardware.h> /* for PCIBIOS_MIN_* */
|
|
|
|
#define pcibios_scan_all_fns(a, b) 0
|
|
|
|
#ifdef CONFIG_PCI_HOST_ITE8152
|
|
/* ITE bridge requires setting latency timer to avoid early bus access
|
|
termination by PIC bus mater devices
|
|
*/
|
|
extern void pcibios_set_master(struct pci_dev *dev);
|
|
#else
|
|
static inline void pcibios_set_master(struct pci_dev *dev)
|
|
{
|
|
/* No special bus mastering setup handling */
|
|
}
|
|
#endif
|
|
|
|
static inline void pcibios_penalize_isa_irq(int irq, int active)
|
|
{
|
|
/* We don't do dynamic PCI IRQ allocation */
|
|
}
|
|
|
|
/*
|
|
* The PCI address space does equal the physical memory address space.
|
|
* The networking and block device layers use this boolean for bounce
|
|
* buffer decisions.
|
|
*/
|
|
#define PCI_DMA_BUS_IS_PHYS (0)
|
|
|
|
/*
|
|
* Whether pci_unmap_{single,page} is a nop depends upon the
|
|
* configuration.
|
|
*/
|
|
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
|
|
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
|
|
#define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
|
|
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
|
|
#define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
|
|
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
|
|
|
|
#ifdef CONFIG_PCI
|
|
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
|
|
enum pci_dma_burst_strategy *strat,
|
|
unsigned long *strategy_parameter)
|
|
{
|
|
*strat = PCI_DMA_BURST_INFINITY;
|
|
*strategy_parameter = ~0UL;
|
|
}
|
|
#endif
|
|
|
|
#define HAVE_PCI_MMAP
|
|
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
|
|
enum pci_mmap_state mmap_state, int write_combine);
|
|
|
|
extern void
|
|
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
|
|
struct resource *res);
|
|
|
|
extern void
|
|
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
|
|
struct pci_bus_region *region);
|
|
|
|
static inline struct resource *
|
|
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
|
|
{
|
|
struct resource *root = NULL;
|
|
|
|
if (res->flags & IORESOURCE_IO)
|
|
root = &ioport_resource;
|
|
if (res->flags & IORESOURCE_MEM)
|
|
root = &iomem_resource;
|
|
|
|
return root;
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif
|