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implemented more helper functions needed by usb

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This commit is contained in:
Markus Fröschle
2013-11-03 08:19:19 +00:00
parent 8d550a07d7
commit 6b0dcee284
13 changed files with 1829 additions and 220 deletions
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14
include/pci.h
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@@ -199,8 +199,18 @@ extern void init_eport(void);
extern void init_xlbus_arbiter(void);
extern void init_pci(void);
struct resource_descriptor
{
uint16_t next;
uint16_t flags;
uint32_t start;
uint32_t length;
uint32_t offset;
uint32_t dma_offset;
uint8_t private;
} __attribute__ ((packed));
extern int pci_find_device(uint16_t device_id, uint16_t vendor_id, int index);
/* FIXME: parameters missing */
extern uint32_t pci_read_config_longword(uint16_t handle, uint16_t offset);
extern uint16_t pci_read_config_word(uint16_t handle, uint16_t offset);
@@ -210,7 +220,7 @@ extern void pci_write_config_longword(uint16_t handle, uint16_t offset, uint32_t
extern void pci_write_config_word(uint16_t handle, uint16_t offset, uint16_t value);
extern void pci_write_config_byte(uint16_t handle, uint16_t offset, uint8_t value);
extern void *pci_get_resource();
extern struct resource_descriptor *pci_get_resource(uint16_t handle);
extern void pci_hook_interrupt();
extern void pci_unhook_interrupt();