diff options
Diffstat (limited to 'include/asm-cris/pci.h')
| -rw-r--r-- | include/asm-cris/pci.h | 102 |
1 files changed, 97 insertions, 5 deletions
diff --git a/include/asm-cris/pci.h b/include/asm-cris/pci.h index c61041531889..2064bc1de074 100644 --- a/include/asm-cris/pci.h +++ b/include/asm-cris/pci.h @@ -1,13 +1,105 @@ #ifndef __ASM_CRIS_PCI_H #define __ASM_CRIS_PCI_H +#include <linux/config.h> + +#ifdef __KERNEL__ +#include <linux/mm.h> /* for struct page */ + +/* Can be used to override the logic in pci_scan_bus for skipping + already-configured bus numbers - to be used for buggy BIOSes + or architectures with incomplete PCI setup by the loader */ + +#define pcibios_assign_all_busses(void) 1 + +extern unsigned long pci_mem_start; +#define PCIBIOS_MIN_IO 0x1000 +#define PCIBIOS_MIN_MEM 0x10000000 + +#define PCIBIOS_MIN_CARDBUS_IO 0x4000 + +void pcibios_config_init(void); +struct pci_bus * pcibios_scan_root(int bus); +int pcibios_assign_resources(void); + +void pcibios_set_master(struct pci_dev *dev); +void pcibios_penalize_isa_irq(int irq); +struct irq_routing_table *pcibios_get_irq_routing_table(void); +int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); + +/* Dynamic DMA mapping stuff. + * i386 has everything mapped statically. + */ + +#include <linux/types.h> +#include <linux/slab.h> #include <asm/scatterlist.h> -#include <asm-generic/pci-dma-compat.h> +#include <linux/string.h> +#include <asm/io.h> -/* ETRAX chips don't have a PCI bus. This file is just here because some stupid .c code - * includes it even if CONFIG_PCI is not set. +struct pci_dev; + +/* 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 (1) +#define PCI_DMA_BUS_IS_PHYS (1) -#endif /* __ASM_CRIS_PCI_H */ +/* pci_unmap_{page,single} is a nop so... */ +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) +#define pci_unmap_addr(PTR, ADDR_NAME) (0) +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) +#define pci_unmap_len(PTR, LEN_NAME) (0) +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) + +/* This is always fine. */ +#define pci_dac_dma_supported(pci_dev, mask) (1) +static inline dma64_addr_t +pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction) +{ + return ((dma64_addr_t) page_to_phys(page) + + (dma64_addr_t) offset); +} + +static inline struct page * +pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr) +{ + return pfn_to_page(dma_addr >> PAGE_SHIFT); +} + +static inline unsigned long +pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr) +{ + return (dma_addr & ~PAGE_MASK); +} + +static inline void +pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) +{ +} + +static inline void +pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) +{ +} + +#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); + + +static inline void pcibios_add_platform_entries(struct pci_dev *dev) +{ +} + +#endif /* __KERNEL__ */ + +/* implement the pci_ DMA API in terms of the generic device dma_ one */ +#include <asm-generic/pci-dma-compat.h> + +/* generic pci stuff */ +#include <asm-generic/pci.h> + +#endif /* __ASM_CRIS_PCI_H */ |