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author | Matheos Worku <matheos.worku@sun.com> | 2008-04-24 21:02:37 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-04-24 21:02:37 -0700 |
commit | 7f7c4072ea552f97a0898331322f71986a97299c (patch) | |
tree | e63fabff36f9e4c849346e3beabdde0cc2f23947 /drivers/net | |
parent | c5835df9716bdb1af8e25e9a452f717e54e02ed0 (diff) | |
download | kernel_samsung_smdk4412-7f7c4072ea552f97a0898331322f71986a97299c.zip kernel_samsung_smdk4412-7f7c4072ea552f97a0898331322f71986a97299c.tar.gz kernel_samsung_smdk4412-7f7c4072ea552f97a0898331322f71986a97299c.tar.bz2 |
niu: Determine the # of ports from the card's VPD data
[ Fix minor whitespace and coding style stuff... -DaveM ]
Signed-off-by: Matheos Worku <matheos.worku@sun.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/niu.c | 67 | ||||
-rw-r--r-- | drivers/net/niu.h | 9 |
2 files changed, 65 insertions, 11 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 7565c2d..c7c173c 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -6773,6 +6773,37 @@ static int __devinit niu_phy_type_prop_decode(struct niu *np, return 0; } +/* niu board models have a trailing dash version incremented + * with HW rev change. Need to ingnore the dash version while + * checking for match + * + * for example, for the 10G card the current vpd.board_model + * is 501-5283-04, of which -04 is the dash version and have + * to be ignored + */ +static int niu_board_model_match(struct niu *np, const char *model) +{ + return !strncmp(np->vpd.board_model, model, strlen(model)); +} + +static int niu_pci_vpd_get_nports(struct niu *np) +{ + int ports = 0; + + if ((niu_board_model_match(np, NIU_QGC_LP_BM_STR)) || + (niu_board_model_match(np, NIU_QGC_PEM_BM_STR)) || + (niu_board_model_match(np, NIU_ALONSO_BM_STR))) { + ports = 4; + } else if ((niu_board_model_match(np, NIU_2XGF_LP_BM_STR)) || + (niu_board_model_match(np, NIU_2XGF_PEM_BM_STR)) || + (niu_board_model_match(np, NIU_FOXXY_BM_STR)) || + (niu_board_model_match(np, NIU_2XGF_MRVL_BM_STR))) { + ports = 2; + } + + return ports; +} + static void __devinit niu_pci_vpd_validate(struct niu *np) { struct net_device *dev = np->dev; @@ -6987,11 +7018,17 @@ static int __devinit niu_get_and_validate_port(struct niu *np) if (parent->plat_type == PLAT_TYPE_NIU) { parent->num_ports = 2; } else { - parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) & - ESPC_NUM_PORTS_MACS_VAL; - - if (!parent->num_ports) - parent->num_ports = 4; + parent->num_ports = niu_pci_vpd_get_nports(np); + if (!parent->num_ports) { + /* Fall back to SPROM as last resort. + * This will fail on most cards. + */ + parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) & + ESPC_NUM_PORTS_MACS_VAL; + + if (!parent->num_ports) + return -ENODEV; + } } } @@ -7733,15 +7770,16 @@ static int __devinit niu_get_invariants(struct niu *np) have_props = !err; - err = niu_get_and_validate_port(np); - if (err) - return err; - err = niu_init_mac_ipp_pcs_base(np); if (err) return err; - if (!have_props) { + if (have_props) { + err = niu_get_and_validate_port(np); + if (err) + return err; + + } else { if (np->parent->plat_type == PLAT_TYPE_NIU) return -EINVAL; @@ -7753,10 +7791,17 @@ static int __devinit niu_get_invariants(struct niu *np) niu_pci_vpd_fetch(np, offset); nw64(ESPC_PIO_EN, 0); - if (np->flags & NIU_FLAGS_VPD_VALID) + if (np->flags & NIU_FLAGS_VPD_VALID) { niu_pci_vpd_validate(np); + err = niu_get_and_validate_port(np); + if (err) + return err; + } if (!(np->flags & NIU_FLAGS_VPD_VALID)) { + err = niu_get_and_validate_port(np); + if (err) + return err; err = niu_pci_probe_sprom(np); if (err) return err; diff --git a/drivers/net/niu.h b/drivers/net/niu.h index 336aed0..35e9afb 100644 --- a/drivers/net/niu.h +++ b/drivers/net/niu.h @@ -2937,6 +2937,15 @@ struct rx_ring_info { #define NIU_MAX_MTU 9216 +/* VPD strings */ +#define NIU_QGC_LP_BM_STR "501-7606" +#define NIU_2XGF_LP_BM_STR "501-7283" +#define NIU_QGC_PEM_BM_STR "501-7765" +#define NIU_2XGF_PEM_BM_STR "501-7626" +#define NIU_ALONSO_BM_STR "373-0202" +#define NIU_FOXXY_BM_STR "501-7961" +#define NIU_2XGF_MRVL_BM_STR "SK-6E82" + #define NIU_VPD_MIN_MAJOR 3 #define NIU_VPD_MIN_MINOR 4 |