diff options
| -rw-r--r-- | src/drivers/bus/eisa.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/drivers/bus/eisa.c b/src/drivers/bus/eisa.c index a4efe26..68837eb 100644 --- a/src/drivers/bus/eisa.c +++ b/src/drivers/bus/eisa.c @@ -98,8 +98,16 @@ static void eisa_remove ( struct eisa_device *eisa ) { static int eisabus_probe ( struct root_device *rootdev ) { struct eisa_device *eisa = NULL; unsigned int slot; + uint8_t system; int rc; + /* Check for EISA system board */ + system = inb ( EISA_VENDOR_ID ); + if ( system & 0x80 ) { + DBG ( "No EISA system board (read %02x)\n", system ); + return -ENODEV; + } + for ( slot = EISA_MIN_SLOT ; slot <= EISA_MAX_SLOT ; slot++ ) { /* Allocate struct eisa_device */ if ( ! eisa ) |