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tg3: Extract FW ver from alt NVRAM formats 

This patch extracts the bootcode firmware version from the alternate
selfboot patch NVRAM format.  This format is used on the 5784, 5761 and
some newer devices.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Matt Carlson 2008-11-21 17:19:41 -08:00 committed by David S. Miller
parent 6833c043f9
commit dfe00d7d89
2 changed files with 61 additions and 1 deletions
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51
drivers/net/tg3.c
View File

@ -11951,6 +11951,51 @@ static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
return 1;
}
static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
{
u32 offset, major, minor, build;
tp->fw_ver[0] = 's';
tp->fw_ver[1] = 'b';
tp->fw_ver[2] = '\0';
if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
return;
switch (val & TG3_EEPROM_SB_REVISION_MASK) {
case TG3_EEPROM_SB_REVISION_0:
offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
break;
case TG3_EEPROM_SB_REVISION_2:
offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
break;
case TG3_EEPROM_SB_REVISION_3:
offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
break;
default:
return;
}
if (tg3_nvram_read_swab(tp, offset, &val))
return;
build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
TG3_EEPROM_SB_EDH_BLD_SHFT;
major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
TG3_EEPROM_SB_EDH_MAJ_SHFT;
minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
if (minor > 99 || build > 26)
return;
snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
if (build > 0) {
tp->fw_ver[8] = 'a' + build - 1;
tp->fw_ver[9] = '\0';
}
}
static void __devinit tg3_read_fw_ver(struct tg3 *tp)
{
u32 val, offset, start;
@ -11960,8 +12005,12 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
if (tg3_nvram_read_swab(tp, 0, &val))
return;
if (val != TG3_EEPROM_MAGIC)
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_swab(tp, 0xc, &offset) ||
tg3_nvram_read_swab(tp, 0x4, &start))

11
drivers/net/tg3.h
View File

@ -1747,6 +1747,17 @@
#define TG3_NVM_DIRTYPE_SHIFT 24
#define TG3_NVM_DIRTYPE_ASFINI 1
#define TG3_EEPROM_SB_F1R0_EDH_OFF 0x10
#define TG3_EEPROM_SB_F1R2_EDH_OFF 0x14
#define TG3_EEPROM_SB_F1R2_MBA_OFF 0x10
#define TG3_EEPROM_SB_F1R3_EDH_OFF 0x18
#define TG3_EEPROM_SB_EDH_MAJ_MASK 0x00000700
#define TG3_EEPROM_SB_EDH_MAJ_SHFT 8
#define TG3_EEPROM_SB_EDH_MIN_MASK 0x000000ff
#define TG3_EEPROM_SB_EDH_BLD_MASK 0x0000f800
#define TG3_EEPROM_SB_EDH_BLD_SHFT 11
/* 32K Window into NIC internal memory */
#define NIC_SRAM_WIN_BASE 0x00008000