diff options
| author | Michael Chan <mchan@broadcom.com> | 2005-04-21 17:11:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-04-21 17:11:21 -0700 |
| commit | 361b4ac29bc651c7612d4bf21434ae6fe06b78e4 (patch) | |
| tree | a0d1b0a7f89a7d45c63b269bef5eeacf6f8dc734 /drivers/net/tg3.c | |
| parent | 3e7d83bc96d59013792e5546e7832668d3adbce7 (diff) | |
| download | lwn-361b4ac29bc651c7612d4bf21434ae6fe06b78e4.tar.gz lwn-361b4ac29bc651c7612d4bf21434ae6fe06b78e4.zip | |
[TG3]: Add nvram detection for 5752
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a94631af21cd..dbdd3ecafdc1 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7096,6 +7096,63 @@ static void __devinit tg3_get_nvram_info(struct tg3 *tp) } } +static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp) +{ + u32 nvcfg1; + + nvcfg1 = tr32(NVRAM_CFG1); + + switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { + case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ: + case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ: + tp->nvram_jedecnum = JEDEC_ATMEL; + tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED; + break; + case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED: + tp->nvram_jedecnum = JEDEC_ATMEL; + tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED; + tp->tg3_flags2 |= TG3_FLG2_FLASH; + break; + case FLASH_5752VENDOR_ST_M45PE10: + case FLASH_5752VENDOR_ST_M45PE20: + case FLASH_5752VENDOR_ST_M45PE40: + tp->nvram_jedecnum = JEDEC_ST; + tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED; + tp->tg3_flags2 |= TG3_FLG2_FLASH; + break; + } + + if (tp->tg3_flags2 & TG3_FLG2_FLASH) { + switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) { + case FLASH_5752PAGE_SIZE_256: + tp->nvram_pagesize = 256; + break; + case FLASH_5752PAGE_SIZE_512: + tp->nvram_pagesize = 512; + break; + case FLASH_5752PAGE_SIZE_1K: + tp->nvram_pagesize = 1024; + break; + case FLASH_5752PAGE_SIZE_2K: + tp->nvram_pagesize = 2048; + break; + case FLASH_5752PAGE_SIZE_4K: + tp->nvram_pagesize = 4096; + break; + case FLASH_5752PAGE_SIZE_264: + tp->nvram_pagesize = 264; + break; + } + } + else { + /* For eeprom, set pagesize to maximum eeprom size */ + tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; + + nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; + tw32(NVRAM_CFG1, nvcfg1); + } +} + /* Chips other than 5700/5701 use the NVRAM for fetching info. */ static void __devinit tg3_nvram_init(struct tg3 *tp) { @@ -7128,7 +7185,11 @@ static void __devinit tg3_nvram_init(struct tg3 *tp) tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE); } - tg3_get_nvram_info(tp); + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) + tg3_get_5752_nvram_info(tp); + else + tg3_get_nvram_info(tp); + tg3_get_nvram_size(tp); if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) { |