diff options
Diffstat (limited to 'util/superiotool/smsc.c')
| -rw-r--r-- | util/superiotool/smsc.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/util/superiotool/smsc.c b/util/superiotool/smsc.c index 7636001bc1..e583471bac 100644 --- a/util/superiotool/smsc.c +++ b/util/superiotool/smsc.c @@ -40,6 +40,16 @@ const static struct superio_registers reg_table[] = { {EOT} }; +void enter_conf_mode_smsc(uint16_t port) +{ + outb(0x55, port); +} + +void exit_conf_mode_smsc(uint16_t port) +{ + outb(0xaa, port); +} + /* Note: The actual SMSC ID is 16 bits, but we must pass 32 bits here. */ void dump_smsc(uint16_t port, uint16_t id) { @@ -57,7 +67,7 @@ void probe_idregs_smsc(uint16_t port) { uint16_t id, rev; - outb(0x55, port); /* Enter configuration mode. */ + enter_conf_mode_smsc(port); /* Read device ID. */ id = regval(port, DEVICE_ID_REG); @@ -75,15 +85,8 @@ void probe_idregs_smsc(uint16_t port) printf("Super I/O found at 0x%04x: id=0x%02x, rev=0x%02x\n", port, id, rev); - switch (id) { - case 0x28: - dump_smsc(port, id); - break; - default: - printf("No dump for ID 0x%04x\n", id); - break; - } + dump_smsc(port, id ); - outb(0xaa, port); /* Exit configuration mode. */ + exit_conf_mode_smsc(port); } |