diff options
| -rw-r--r-- | drivers/net/tsec.c | 41 | ||||
| -rw-r--r-- | include/tsec.h | 2 |
2 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index 399116f..63fc02e 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -468,6 +468,18 @@ uint mii_parse_link(uint mii_reg, struct tsec_private *priv) } /* + * "Ethernet@Wirespeed" needs to be enabled to achieve link in certain + * circumstances. eg a gigabit TSEC connected to a gigabit switch with + * a 4-wire ethernet cable. Both ends advertise gigabit, but can't + * link. "Ethernet@Wirespeed" reduces advertised speed until link + * can be achieved. + */ +uint mii_BCM54xx_wirespeed(uint mii_reg, struct tsec_private *priv) +{ + return (read_phy_reg(priv, mii_reg) & 0x8FFF) | 0x8010; +} + +/* * Parse the BCM54xx status register for speed and duplex information. * The linux sungem_phy has this information, but in a table format. */ @@ -1070,6 +1082,34 @@ struct phy_info phy_info_BCM5464S = { }, }; +struct phy_info phy_info_BCM5482S = { + 0x0143bcb, + "Broadcom BCM5482S", + 4, + (struct phy_cmd[]) { /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + /* Setup read from auxilary control shadow register 7 */ + {MIIM_BCM54xx_AUXCNTL, MIIM_BCM54xx_AUXCNTL_ENCODE(7), NULL}, + /* Read Misc Control register and or in Ethernet@Wirespeed */ + {MIIM_BCM54xx_AUXCNTL, 0, &mii_BCM54xx_wirespeed}, + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + /* Status is read once to clear old link state */ + {MIIM_STATUS, miim_read, NULL}, + /* Auto-negotiate */ + {MIIM_STATUS, miim_read, &mii_parse_sr}, + /* Read the status */ + {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + struct phy_info phy_info_M88E1011S = { 0x01410c6, "Marvell 88E1011S", @@ -1611,6 +1651,7 @@ struct phy_info *phy_info[] = { &phy_info_cis8201, &phy_info_BCM5461S, &phy_info_BCM5464S, + &phy_info_BCM5482S, &phy_info_M88E1011S, &phy_info_M88E1111S, &phy_info_M88E1118, diff --git a/include/tsec.h b/include/tsec.h index 9184256..0ac3034 100644 --- a/include/tsec.h +++ b/include/tsec.h @@ -152,6 +152,8 @@ #define MIIM_EXT_PAGE_ACCESS 0x1f /* Broadcom BCM54xx -- taken from linux sungem_phy */ +#define MIIM_BCM54xx_AUXCNTL 0x18 +#define MIIM_BCM54xx_AUXCNTL_ENCODE(val) ((val & 0x7) << 12)|(val & 0x7) #define MIIM_BCM54xx_AUXSTATUS 0x19 #define MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK 0x0700 #define MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT 8 |