From 987b43a1d722a136a0f0e401f06695acce9daa0d Mon Sep 17 00:00:00 2001 From: Kyle Moffett Date: Mon, 13 Sep 2010 05:52:22 +0000 Subject: [PATCH] e1000: Clean up handling of dual-port NICs and support 82571 Consolidate the test for a dual-port NIC to one location for easy modification, then fix support for the dual-port 82571. Signed-off-by: Kyle Moffett --- drivers/net/e1000.c | 66 ++++++++++++++++++++++----------------------- drivers/net/e1000.h | 6 ----- 2 files changed, 33 insertions(+), 39 deletions(-) diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index 01bdf814fd..7c0f2bf710 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -1099,6 +1099,20 @@ e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask) return E1000_SUCCESS; } +static boolean_t e1000_is_second_port(struct e1000_hw *hw) +{ + switch (hw->mac_type) { + case e1000_80003es2lan: + case e1000_82546: + case e1000_82571: + if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) + return TRUE; + /* Fallthrough */ + default: + return FALSE; + } +} + /****************************************************************************** * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the * second function of dual function devices @@ -1125,11 +1139,11 @@ e1000_read_mac_addr(struct eth_device *nic) nic->enetaddr[i] = eeprom_data & 0xff; nic->enetaddr[i + 1] = (eeprom_data >> 8) & 0xff; } - if ((hw->mac_type == e1000_82546) && - (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { - /* Invert the last bit if this is the second device */ - nic->enetaddr[5] += 1; - } + + /* Invert the last bit if this is the second device */ + if (e1000_is_second_port(hw)) + nic->enetaddr[5] ^= 1; + #ifdef CONFIG_E1000_FALLBACK_MAC if ( *(u32*)(nic->enetaddr) == 0 || *(u32*)(nic->enetaddr) == ~0 ) { unsigned char fb_mac[NODE_ADDRESS_SIZE] = CONFIG_E1000_FALLBACK_MAC; @@ -2535,16 +2549,13 @@ e1000_check_mng_mode(struct e1000_hw *hw) static int32_t e1000_write_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data) { + uint16_t swfw = E1000_SWFW_PHY0_SM; uint32_t reg_val; - uint16_t swfw; DEBUGFUNC(); - if ((hw->mac_type == e1000_80003es2lan) && - (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { + if (e1000_is_second_port(hw)) swfw = E1000_SWFW_PHY1_SM; - } else { - swfw = E1000_SWFW_PHY0_SM; - } + if (e1000_swfw_sync_acquire(hw, swfw)) return -E1000_ERR_SWFW_SYNC; @@ -2559,16 +2570,13 @@ e1000_write_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data) static int32_t e1000_read_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t *data) { + uint16_t swfw = E1000_SWFW_PHY0_SM; uint32_t reg_val; - uint16_t swfw; DEBUGFUNC(); - if ((hw->mac_type == e1000_80003es2lan) && - (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { + if (e1000_is_second_port(hw)) swfw = E1000_SWFW_PHY1_SM; - } else { - swfw = E1000_SWFW_PHY0_SM; - } + if (e1000_swfw_sync_acquire(hw, swfw)) return -E1000_ERR_SWFW_SYNC; @@ -4266,11 +4274,13 @@ e1000_get_phy_cfg_done(struct e1000_hw *hw) default: mdelay(10); break; + case e1000_80003es2lan: /* Separate *_CFG_DONE_* bit for each port */ - if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) + if (e1000_is_second_port(hw)) cfg_mask = E1000_EEPROM_CFG_DONE_PORT_1; - /* Fall Through */ + /* Fall Through */ + case e1000_82571: case e1000_82572: while (timeout) { @@ -4299,10 +4309,10 @@ e1000_get_phy_cfg_done(struct e1000_hw *hw) int32_t e1000_phy_hw_reset(struct e1000_hw *hw) { + uint16_t swfw = E1000_SWFW_PHY0_SM; uint32_t ctrl, ctrl_ext; uint32_t led_ctrl; int32_t ret_val; - uint16_t swfw; DEBUGFUNC(); @@ -4315,16 +4325,14 @@ e1000_phy_hw_reset(struct e1000_hw *hw) DEBUGOUT("Resetting Phy...\n"); if (hw->mac_type > e1000_82543) { - if ((hw->mac_type == e1000_80003es2lan) && - (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { + if (e1000_is_second_port(hw)) swfw = E1000_SWFW_PHY1_SM; - } else { - swfw = E1000_SWFW_PHY0_SM; - } + if (e1000_swfw_sync_acquire(hw, swfw)) { DEBUGOUT("Unable to acquire swfw sync\n"); return -E1000_ERR_SWFW_SYNC; } + /* Read the device control register and assert the E1000_CTRL_PHY_RST * bit. Then, take it out of reset. */ @@ -4786,14 +4794,6 @@ e1000_sw_init(struct eth_device *nic, int cardnum) break; } - /* lan a vs. lan b settings */ - if (hw->mac_type == e1000_82546) - /*this also works w/ multiple 82546 cards */ - /*but not if they're intermingled /w other e1000s */ - hw->lan_loc = (cardnum % 2) ? e1000_lan_b : e1000_lan_a; - else - hw->lan_loc = e1000_lan_a; - /* flow control settings */ hw->fc_high_water = E1000_FC_HIGH_THRESH; hw->fc_low_water = E1000_FC_LOW_THRESH; diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h index 720d8c67ca..5a02dc358e 100644 --- a/drivers/net/e1000.h +++ b/drivers/net/e1000.h @@ -113,11 +113,6 @@ typedef enum { e1000_100_full = 3 } e1000_speed_duplex_type; -typedef enum { - e1000_lan_a = 0, - e1000_lan_b = 1 -} e1000_lan_loc; - /* Flow Control Settings */ typedef enum { e1000_fc_none = 0, @@ -1059,7 +1054,6 @@ struct e1000_hw { uint32_t phy_init_script; uint32_t txd_cmd; e1000_media_type media_type; - e1000_lan_loc lan_loc; e1000_fc_type fc; e1000_bus_type bus_type; #if 0 -- 2.25.1