diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/bootloader/pci.h')
-rw-r--r-- | c/src/lib/libbsp/powerpc/shared/bootloader/pci.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/bootloader/pci.h b/c/src/lib/libbsp/powerpc/shared/bootloader/pci.h deleted file mode 100644 index 4281a13090..0000000000 --- a/c/src/lib/libbsp/powerpc/shared/bootloader/pci.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * PCI defines and function prototypes - * Copyright 1994, Drew Eckhardt - * Copyright 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz> - * - * For more information, please consult the following manuals (look at - * http://www.pcisig.com/ for how to get them): - * - * PCI BIOS Specification - * PCI Local Bus Specification - * PCI to PCI Bridge Specification - * PCI System Design Guide - */ - -#ifndef BOOTLOADER_PCI_H -#define BOOTLOADER_PCI_H - -#include <rtems/pci.h> - - -/* Functions used to access pci configuration space */ -struct pci_bootloader_config_access_functions { - int (*read_config_byte)(unsigned char, unsigned char, - unsigned char, uint8_t *); - int (*read_config_word)(unsigned char, unsigned char, - unsigned char, uint16_t *); - int (*read_config_dword)(unsigned char, unsigned char, - unsigned char, uint32_t *); - int (*write_config_byte)(unsigned char, unsigned char, - unsigned char, uint8_t); - int (*write_config_word)(unsigned char, unsigned char, - unsigned char, uint16_t); - int (*write_config_dword)(unsigned char, unsigned char, - unsigned char, uint32_t); -}; - -/* - * There is one pci_dev structure for each slot-number/function-number - * combination: - */ -struct pci_dev { - struct pci_bus *bus; /* bus this device is on */ - struct pci_dev *sibling; /* next device on this bus */ - struct pci_dev *next; /* chain of all devices */ - - void *sysdata; /* hook for sys-specific extension */ - struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */ - - unsigned int devfn; /* encoded device & function index */ - unsigned short vendor; - unsigned short device; - unsigned int class; /* 3 bytes: (base,sub,prog-if) */ - unsigned int hdr_type; /* PCI header type */ - unsigned int master : 1; /* set if device is master capable */ - /* - * In theory, the irq level can be read from configuration - * space and all would be fine. However, old PCI chips don't - * support these registers and return 0 instead. For example, - * the Vision864-P rev 0 chip can uses INTA, but returns 0 in - * the interrupt line and pin registers. pci_init() - * initializes this field with the value at PCI_INTERRUPT_LINE - * and it is the job of pcibios_fixup() to change it if - * necessary. The field must not be 0 unless the device - * cannot generate interrupts at all. - */ - unsigned int irq; /* irq generated by this device */ - - /* Base registers for this device, can be adjusted by - * pcibios_fixup() as necessary. - */ - unsigned long base_address[6]; - unsigned long rom_address; -}; - -struct pci_bus { - struct pci_bus *parent; /* parent bus this bridge is on */ - struct pci_bus *children; /* chain of P2P bridges on this bus */ - struct pci_bus *next; /* chain of all PCI buses */ - - struct pci_dev *self; /* bridge device as seen by parent */ - struct pci_dev *devices; /* devices behind this bridge */ - - void *sysdata; /* hook for sys-specific extension */ - struct proc_dir_entry *procdir; /* directory entry in /proc/bus/pci */ - - unsigned char number; /* bus number */ - unsigned char primary; /* number of primary bridge */ - unsigned char secondary; /* number of secondary bridge */ - unsigned char subordinate; /* max number of subordinate buses */ -}; - -extern struct pci_bus pci_root; /* root bus */ -extern struct pci_dev *pci_devices; /* list of all devices */ - -#endif /* BOOTLOADER_PCI_H */ |