I've got my BCM4312 worked finally!!
This is my dmesg message..
firmware_register: cannot register image bwn_v4_lp_b0g0initvals5, firmware table full!
module_register_init: MOD_LOAD (bwn_v4_lp_ucode_fw, 0xc1181e70, 0) error 6
siba_bwn0: <Broadcom BCM4312 802.11b/g Wireless> mem...