diff options
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 2e8375587ee8..43859e4db2fe 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -11463,8 +11463,9 @@ static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset) static void __devinit tg3_read_bc_ver(struct tg3 *tp) { - u32 offset, start, ver_offset; + u32 val, offset, start, ver_offset; int i; + bool newver = false; if (tg3_nvram_read(tp, 0xc, &offset) || tg3_nvram_read(tp, 0x4, &start)) @@ -11472,17 +11473,39 @@ static void __devinit tg3_read_bc_ver(struct tg3 *tp) offset = tg3_nvram_logical_addr(tp, offset); - if (!tg3_fw_img_is_valid(tp, offset) || - tg3_nvram_read(tp, offset + 8, &ver_offset)) + if (tg3_nvram_read(tp, offset, &val)) return; - offset = offset + ver_offset - start; - for (i = 0; i < 16; i += 4) { - __be32 v; - if (tg3_nvram_read_be32(tp, offset + i, &v)) + if ((val & 0xfc000000) == 0x0c000000) { + if (tg3_nvram_read(tp, offset + 4, &val)) + return; + + if (val == 0) + newver = true; + } + + if (newver) { + if (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)); + } + } else { + u32 major, minor; + + if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset)) return; - memcpy(tp->fw_ver + i, &v, sizeof(v)); + major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >> + TG3_NVM_BCVER_MAJSFT; + minor = ver_offset & TG3_NVM_BCVER_MINMSK; + snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor); } } |