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tg3: Add legacy bootcode version decoding

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This patch adds code to obtain the bootcode version for versions
of bootcode that do not use the new method.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2009-02-25 14:26:58 +00:00 committed by David S. Miller
parent acd9c119cc
commit ff3a7cb252
2 changed files with 35 additions and 8 deletions
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39
drivers/net/tg3.c
View File

@ -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;
memcpy(tp->fw_ver + i, &v, sizeof(v));
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;
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);
}
}

4
drivers/net/tg3.h
View File

@ -1737,6 +1737,10 @@
#define TG3_NVM_DIRENT_SIZE 0xc
#define TG3_NVM_DIRTYPE_SHIFT 24
#define TG3_NVM_DIRTYPE_ASFINI 1
#define TG3_NVM_PTREV_BCVER 0x94
#define TG3_NVM_BCVER_MAJMSK 0x0000ff00
#define TG3_NVM_BCVER_MAJSFT 8
#define TG3_NVM_BCVER_MINMSK 0x000000ff
#define TG3_EEPROM_SB_F1R0_EDH_OFF 0x10
#define TG3_EEPROM_SB_F1R2_EDH_OFF 0x14