diff options
| -rw-r--r-- | drivers/net/tg3.c | 98 |
1 files changed, 55 insertions, 43 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 945391862ab..2e8375587ee 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -11461,6 +11461,31 @@ static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset) return 1; } +static void __devinit tg3_read_bc_ver(struct tg3 *tp) +{ + u32 offset, start, ver_offset; + int i; + + if (tg3_nvram_read(tp, 0xc, &offset) || + tg3_nvram_read(tp, 0x4, &start)) + return; + + offset = tg3_nvram_logical_addr(tp, offset); + + if (!tg3_fw_img_is_valid(tp, offset) || + tg3_nvram_read(tp, offset + 8, &ver_offset)) + return; + + offset = offset + ver_offset - start; + for (i = 0; i < 16; i += 4) { + __be32 v; + if (tg3_nvram_read_be32(tp, offset + i, &v)) + return; + + memcpy(tp->fw_ver + i, &v, sizeof(v)); + } +} + static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val) { u32 offset, major, minor, build; @@ -11506,44 +11531,10 @@ static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val) } } -static void __devinit tg3_read_fw_ver(struct tg3 *tp) +static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp) { u32 val, offset, start; - u32 ver_offset; - int i, bcnt; - - if (tg3_nvram_read(tp, 0, &val)) - return; - - if (val != TG3_EEPROM_MAGIC) { - if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) - tg3_read_sb_ver(tp, val); - - return; - } - - if (tg3_nvram_read(tp, 0xc, &offset) || - tg3_nvram_read(tp, 0x4, &start)) - return; - - offset = tg3_nvram_logical_addr(tp, offset); - - if (!tg3_fw_img_is_valid(tp, offset) || - tg3_nvram_read(tp, offset + 8, &ver_offset)) - return; - - offset = offset + ver_offset - start; - for (i = 0; i < 16; i += 4) { - __be32 v; - if (tg3_nvram_read_be32(tp, offset + i, &v)) - return; - - memcpy(tp->fw_ver + i, &v, 4); - } - - if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) || - (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) - return; + int i, vlen; for (offset = TG3_NVM_DIR_START; offset < TG3_NVM_DIR_END; @@ -11570,10 +11561,10 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp) offset += val - start; - bcnt = strlen(tp->fw_ver); + vlen = strlen(tp->fw_ver); - tp->fw_ver[bcnt++] = ','; - tp->fw_ver[bcnt++] = ' '; + tp->fw_ver[vlen++] = ','; + tp->fw_ver[vlen++] = ' '; for (i = 0; i < 4; i++) { __be32 v; @@ -11582,14 +11573,35 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp) offset += sizeof(v); - if (bcnt > TG3_VER_SIZE - sizeof(v)) { - memcpy(&tp->fw_ver[bcnt], &v, TG3_VER_SIZE - bcnt); + if (vlen > TG3_VER_SIZE - sizeof(v)) { + memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen); break; } - memcpy(&tp->fw_ver[bcnt], &v, sizeof(v)); - bcnt += sizeof(v); + memcpy(&tp->fw_ver[vlen], &v, sizeof(v)); + vlen += sizeof(v); } +} + +static void __devinit tg3_read_fw_ver(struct tg3 *tp) +{ + u32 val; + + if (tg3_nvram_read(tp, 0, &val)) + return; + + if (val == TG3_EEPROM_MAGIC) + tg3_read_bc_ver(tp); + else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) + tg3_read_sb_ver(tp, val); + else + return; + + if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) || + (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) + return; + + tg3_read_mgmtfw_ver(tp); tp->fw_ver[TG3_VER_SIZE - 1] = 0; } |