diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/tg3.c | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index fe5c565a528..602326b78ef 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7457,6 +7457,7 @@ static int tg3_get_eeprom_len(struct net_device *dev) } static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val); +static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val); static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) { @@ -7973,10 +7974,9 @@ static int tg3_test_nvram(struct tg3 *tp) u32 *buf, csum, magic; int i, j, err = 0, size; - if (tg3_nvram_read(tp, 0, &magic) != 0) + if (tg3_nvram_read_swab(tp, 0, &magic) != 0) return -EIO; - magic = swab32(magic); if (magic == TG3_EEPROM_MAGIC) size = NVRAM_TEST_SIZE; else if ((magic & 0xff000000) == 0xa5000000) { @@ -8749,10 +8749,9 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp) tp->nvram_size = EEPROM_CHIP_SIZE; - if (tg3_nvram_read(tp, 0, &val) != 0) + if (tg3_nvram_read_swab(tp, 0, &magic) != 0) return; - magic = swab32(val); if ((magic != TG3_EEPROM_MAGIC) && ((magic & 0xff000000) != 0xa5000000)) return; @@ -8764,10 +8763,10 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp) cursize = 0x10; while (cursize < tp->nvram_size) { - if (tg3_nvram_read(tp, cursize, &val) != 0) + if (tg3_nvram_read_swab(tp, cursize, &val) != 0) return; - if (swab32(val) == magic) + if (val == magic) break; cursize <<= 1; @@ -8780,11 +8779,11 @@ static void __devinit tg3_get_nvram_size(struct tg3 *tp) { u32 val; - if (tg3_nvram_read(tp, 0, &val) != 0) + if (tg3_nvram_read_swab(tp, 0, &val) != 0) return; /* Selfboot format */ - if (swab32(val) != TG3_EEPROM_MAGIC) { + if (val != TG3_EEPROM_MAGIC) { tg3_get_eeprom_size(tp); return; } @@ -9056,6 +9055,20 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) return 0; } +static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr) +{ + if ((tp->tg3_flags & TG3_FLAG_NVRAM) && + (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) && + (tp->tg3_flags2 & TG3_FLG2_FLASH) && + (tp->nvram_jedecnum == JEDEC_ATMEL)) + + addr = ((addr / tp->nvram_pagesize) << + ATMEL_AT45DB0X1B_PAGE_POS) + + (addr % tp->nvram_pagesize); + + return addr; +} + static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) { int ret; @@ -9068,14 +9081,7 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) return tg3_nvram_read_using_eeprom(tp, offset, val); - if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) && - (tp->tg3_flags2 & TG3_FLG2_FLASH) && - (tp->nvram_jedecnum == JEDEC_ATMEL)) { - - offset = ((offset / tp->nvram_pagesize) << - ATMEL_AT45DB0X1B_PAGE_POS) + - (offset % tp->nvram_pagesize); - } + offset = tg3_nvram_phys_addr(tp, offset); if (offset > NVRAM_ADDR_MSK) return -EINVAL; @@ -9100,6 +9106,16 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) return ret; } +static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val) +{ + int err; + u32 tmp; + + err = tg3_nvram_read(tp, offset, &tmp); + *val = swab32(tmp); + return err; +} + static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp, u32 offset, u32 len, u8 *buf) { @@ -9252,15 +9268,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len, page_off = offset % tp->nvram_pagesize; - if ((tp->tg3_flags2 & TG3_FLG2_FLASH) && - (tp->nvram_jedecnum == JEDEC_ATMEL)) { - - phy_addr = ((offset / tp->nvram_pagesize) << - ATMEL_AT45DB0X1B_PAGE_POS) + page_off; - } - else { - phy_addr = offset; - } + phy_addr = tg3_nvram_phys_addr(tp, offset); tw32(NVRAM_ADDR, phy_addr); @@ -9689,10 +9697,10 @@ static void __devinit tg3_read_partno(struct tg3 *tp) return; } - if (tg3_nvram_read(tp, 0x0, &magic)) + if (tg3_nvram_read_swab(tp, 0x0, &magic)) return; - if (swab32(magic) == TG3_EEPROM_MAGIC) { + if (magic == TG3_EEPROM_MAGIC) { for (i = 0; i < 256; i += 4) { u32 tmp; |