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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [linux/] [bios32.h] - Rev 1782
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/* * BIOS32, PCI BIOS functions and defines * Copyright 1994, Drew Eckhardt * * For more information, please consult * * PCI BIOS Specification Revision * PCI Local Bus Specification * PCI System Design Guide * * PCI Special Interest Group * P.O. Box 14070 * Portland, OR 97214 * U. S. A. * Phone: 800-433-5177 / +1-503-797-4207 * Fax: +1-503-234-6762 * * Manuals are $25 each or $50 for all three, plus $7 shipping * within the United States, $35 abroad. */ #ifndef BIOS32_H #define BIOS32_H /* * Error values that may be returned by the PCI bios. Use * pcibios_strerror() to convert to a printable string. */ #define PCIBIOS_SUCCESSFUL 0x00 #define PCIBIOS_FUNC_NOT_SUPPORTED 0x81 #define PCIBIOS_BAD_VENDOR_ID 0x83 #define PCIBIOS_DEVICE_NOT_FOUND 0x86 #define PCIBIOS_BAD_REGISTER_NUMBER 0x87 #define PCIBIOS_SET_FAILED 0x88 #define PCIBIOS_BUFFER_TOO_SMALL 0x89 extern int pcibios_present (void); extern unsigned long pcibios_init (unsigned long memory_start, unsigned long memory_end); extern unsigned long pcibios_fixup (unsigned long memory_start, unsigned long memory_end); extern int pcibios_find_class (unsigned int class_code, unsigned short index, unsigned char *bus, unsigned char *dev_fn); extern int pcibios_find_device (unsigned short vendor, unsigned short dev_id, unsigned short index, unsigned char *bus, unsigned char *dev_fn); extern int pcibios_read_config_byte (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned char *val); extern int pcibios_read_config_word (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned short *val); extern int pcibios_read_config_dword (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned int *val); extern int pcibios_write_config_byte (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned char val); extern int pcibios_write_config_word (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned short val); extern int pcibios_write_config_dword (unsigned char bus, unsigned char dev_fn, unsigned char where, unsigned int val); extern const char *pcibios_strerror (int error); #endif /* BIOS32_H */