diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/pci/pci.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/pci/pci.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/pci/pci.h b/c/src/lib/libbsp/powerpc/shared/pci/pci.h index 2070bb434d..7327a6afbc 100644 --- a/c/src/lib/libbsp/powerpc/shared/pci/pci.h +++ b/c/src/lib/libbsp/powerpc/shared/pci/pci.h @@ -1082,7 +1082,10 @@ #define PCIBIOS_SET_FAILED 0x88 #define PCIBIOS_BUFFER_TOO_SMALL 0x89 -#define PCI_MAX_DEVICES 16 +/* T. Straumann, 7/31/2001: increased to 32 - PMC slots are not + * scanned on mvme2306 otherwise + */ +#define PCI_MAX_DEVICES 32 #define PCI_MAX_FUNCTIONS 8 typedef struct { @@ -1103,45 +1106,45 @@ typedef struct { typedef struct { volatile unsigned char* pci_config_addr; volatile unsigned char* pci_config_data; - pci_config_access_functions* pci_functions; + const pci_config_access_functions* pci_functions; } pci_config; -extern pci_config pci; +extern pci_config BSP_pci_configuration; extern inline int pci_read_config_byte(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned char * val) { - return pci.pci_functions->read_config_byte(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->read_config_byte(bus, slot, function, where, val); } extern inline int pci_read_config_word(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned short * val) { - return pci.pci_functions->read_config_word(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->read_config_word(bus, slot, function, where, val); } extern inline int pci_read_config_dword(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned int * val) { - return pci.pci_functions->read_config_dword(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->read_config_dword(bus, slot, function, where, val); } extern inline int pci_write_config_byte(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned char val) { - return pci.pci_functions->write_config_byte(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->write_config_byte(bus, slot, function, where, val); } extern inline int pci_write_config_word(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned short val) { - return pci.pci_functions->write_config_word(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->write_config_word(bus, slot, function, where, val); } extern inline int pci_write_config_dword(unsigned char bus, unsigned char slot, unsigned char function, unsigned char where, unsigned int val) { - return pci.pci_functions->write_config_dword(bus, slot, function, where, val); + return BSP_pci_configuration.pci_functions->write_config_dword(bus, slot, function, where, val); } /* @@ -1150,4 +1153,14 @@ pci_write_config_dword(unsigned char bus, unsigned char slot, unsigned char func extern unsigned char BusCountPCI(); extern void InitializePCI(); +/* scan for a specific device */ +/* find a particular PCI device + * (currently, only bus0 is scanned for device/fun0) + * + * RETURNS: zero on success, bus/dev/fun in *pbus / *pdev / *pfun + */ +int +BSP_pciFindDevice(unsigned short vendorid, unsigned short deviceid, + int instance, int *pbus, int *pdev, int *pfun); + #endif /* RTEMS_PCI_H */ |