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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:49:40 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:49:40 -0800 |
commit | 0191b625ca5a46206d2fb862bb08f36f2fcb3b31 (patch) | |
tree | 454d1842b1833d976da62abcbd5c47521ebe9bd7 /drivers/net/e1000e/ich8lan.c | |
parent | 54a696bd07c14d3b1192d03ce7269bc59b45209a (diff) | |
parent | eb56092fc168bf5af199d47af50c0d84a96db898 (diff) | |
download | linux-stable-0191b625ca5a46206d2fb862bb08f36f2fcb3b31.tar.gz linux-stable-0191b625ca5a46206d2fb862bb08f36f2fcb3b31.tar.bz2 linux-stable-0191b625ca5a46206d2fb862bb08f36f2fcb3b31.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1429 commits)
net: Allow dependancies of FDDI & Tokenring to be modular.
igb: Fix build warning when DCA is disabled.
net: Fix warning fallout from recent NAPI interface changes.
gro: Fix potential use after free
sfc: If AN is enabled, always read speed/duplex from the AN advertising bits
sfc: When disabling the NIC, close the device rather than unregistering it
sfc: SFT9001: Add cable diagnostics
sfc: Add support for multiple PHY self-tests
sfc: Merge top-level functions for self-tests
sfc: Clean up PHY mode management in loopback self-test
sfc: Fix unreliable link detection in some loopback modes
sfc: Generate unique names for per-NIC workqueues
802.3ad: use standard ethhdr instead of ad_header
802.3ad: generalize out mac address initializer
802.3ad: initialize ports LACPDU from const initializer
802.3ad: remove typedef around ad_system
802.3ad: turn ports is_individual into a bool
802.3ad: turn ports is_enabled into a bool
802.3ad: make ntt bool
ixgbe: Fix set_ringparam in ixgbe to use the same memory pools.
...
Fixed trivial IPv4/6 address printing conflicts in fs/cifs/connect.c due
to the conversion to %pI (in this networking merge) and the addition of
doing IPv6 addresses (from the earlier merge of CIFS).
Diffstat (limited to 'drivers/net/e1000e/ich8lan.c')
-rw-r--r-- | drivers/net/e1000e/ich8lan.c | 151 |
1 files changed, 101 insertions, 50 deletions
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index d115a6d30f29..f2a5963b5a95 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -27,6 +27,7 @@ *******************************************************************************/ /* + * 82562G 10/100 Network Connection * 82562G-2 10/100 Network Connection * 82562GT 10/100 Network Connection * 82562GT-2 10/100 Network Connection @@ -40,6 +41,7 @@ * 82566MM Gigabit Network Connection * 82567LM Gigabit Network Connection * 82567LF Gigabit Network Connection + * 82567V Gigabit Network Connection * 82567LM-2 Gigabit Network Connection * 82567LF-2 Gigabit Network Connection * 82567V-2 Gigabit Network Connection @@ -92,6 +94,8 @@ #define E1000_ICH_NVM_SIG_WORD 0x13 #define E1000_ICH_NVM_SIG_MASK 0xC000 +#define E1000_ICH_NVM_VALID_SIG_MASK 0xC0 +#define E1000_ICH_NVM_SIG_VALUE 0x80 #define E1000_ICH8_LAN_INIT_TIMEOUT 1500 @@ -956,45 +960,62 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) * @bank: pointer to the variable that returns the active bank * * Reads signature byte from the NVM using the flash access registers. + * Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank. **/ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) { + u32 eecd; struct e1000_nvm_info *nvm = &hw->nvm; - /* flash bank size is in words */ u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; - u8 bank_high_byte = 0; + u8 sig_byte = 0; + s32 ret_val = 0; - if (hw->mac.type != e1000_ich10lan) { - if (er32(EECD) & E1000_EECD_SEC1VAL) - *bank = 1; - else - *bank = 0; - } else { - /* - * Make sure the signature for bank 0 is valid, - * if not check for bank1 - */ - e1000_read_flash_byte_ich8lan(hw, act_offset, &bank_high_byte); - if ((bank_high_byte & 0xC0) == 0x80) { + switch (hw->mac.type) { + case e1000_ich8lan: + case e1000_ich9lan: + eecd = er32(EECD); + if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) == + E1000_EECD_SEC1VAL_VALID_MASK) { + if (eecd & E1000_EECD_SEC1VAL) + *bank = 1; + else + *bank = 0; + + return 0; + } + hw_dbg(hw, "Unable to determine valid NVM bank via EEC - " + "reading flash signature\n"); + /* fall-thru */ + default: + /* set bank to 0 in case flash read fails */ + *bank = 0; + + /* Check bank 0 */ + ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset, + &sig_byte); + if (ret_val) + return ret_val; + if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == + E1000_ICH_NVM_SIG_VALUE) { *bank = 0; - } else { - /* - * find if segment 1 is valid by verifying - * bit 15:14 = 10b in word 0x13 - */ - e1000_read_flash_byte_ich8lan(hw, - act_offset + bank1_offset, - &bank_high_byte); + return 0; + } - /* bank1 has a valid signature equivalent to SEC1V */ - if ((bank_high_byte & 0xC0) == 0x80) { - *bank = 1; - } else { - hw_dbg(hw, "ERROR: EEPROM not present\n"); - return -E1000_ERR_NVM; - } + /* Check bank 1 */ + ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset + + bank1_offset, + &sig_byte); + if (ret_val) + return ret_val; + if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == + E1000_ICH_NVM_SIG_VALUE) { + *bank = 1; + return 0; } + + hw_dbg(hw, "ERROR: No valid NVM bank present\n"); + return -E1000_ERR_NVM; } return 0; @@ -1027,11 +1048,11 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, ret_val = e1000_acquire_swflag_ich8lan(hw); if (ret_val) - return ret_val; + goto out; ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); if (ret_val) - return ret_val; + goto release; act_offset = (bank) ? nvm->flash_bank_size : 0; act_offset += offset; @@ -1050,8 +1071,13 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, } } +release: e1000_release_swflag_ich8lan(hw); +out: + if (ret_val) + hw_dbg(hw, "NVM read error: %d\n", ret_val); + return ret_val; } @@ -1340,14 +1366,14 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) ret_val = e1000e_update_nvm_checksum_generic(hw); if (ret_val) - return ret_val; + goto out; if (nvm->type != e1000_nvm_flash_sw) - return ret_val; + goto out; ret_val = e1000_acquire_swflag_ich8lan(hw); if (ret_val) - return ret_val; + goto out; /* * We're writing to the opposite bank so if we're on bank 1, @@ -1355,17 +1381,27 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) * is going to be written */ ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); - if (ret_val) - return ret_val; + if (ret_val) { + e1000_release_swflag_ich8lan(hw); + goto out; + } if (bank == 0) { new_bank_offset = nvm->flash_bank_size; old_bank_offset = 0; - e1000_erase_flash_bank_ich8lan(hw, 1); + ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); + if (ret_val) { + e1000_release_swflag_ich8lan(hw); + goto out; + } } else { old_bank_offset = nvm->flash_bank_size; new_bank_offset = 0; - e1000_erase_flash_bank_ich8lan(hw, 0); + ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); + if (ret_val) { + e1000_release_swflag_ich8lan(hw); + goto out; + } } for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) { @@ -1377,9 +1413,11 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) if (dev_spec->shadow_ram[i].modified) { data = dev_spec->shadow_ram[i].value; } else { - e1000_read_flash_word_ich8lan(hw, - i + old_bank_offset, - &data); + ret_val = e1000_read_flash_word_ich8lan(hw, i + + old_bank_offset, + &data); + if (ret_val) + break; } /* @@ -1420,7 +1458,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ hw_dbg(hw, "Flash commit failed.\n"); e1000_release_swflag_ich8lan(hw); - return ret_val; + goto out; } /* @@ -1430,14 +1468,18 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) * and we need to change bit 14 to 0b */ act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; - e1000_read_flash_word_ich8lan(hw, act_offset, &data); + ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); + if (ret_val) { + e1000_release_swflag_ich8lan(hw); + goto out; + } data &= 0xBFFF; ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset * 2 + 1, (u8)(data >> 8)); if (ret_val) { e1000_release_swflag_ich8lan(hw); - return ret_val; + goto out; } /* @@ -1450,7 +1492,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); if (ret_val) { e1000_release_swflag_ich8lan(hw); - return ret_val; + goto out; } /* Great! Everything worked, we can now clear the cached entries. */ @@ -1468,6 +1510,10 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) e1000e_reload_nvm(hw); msleep(10); +out: + if (ret_val) + hw_dbg(hw, "NVM update error: %d\n", ret_val); + return ret_val; } @@ -1894,7 +1940,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) } ret_val = e1000_acquire_swflag_ich8lan(hw); /* Whether or not the swflag was acquired, we need to reset the part */ - hw_dbg(hw, "Issuing a global reset to ich8lan"); + hw_dbg(hw, "Issuing a global reset to ich8lan\n"); ew32(CTRL, (ctrl | E1000_CTRL_RST)); msleep(20); @@ -2074,12 +2120,17 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) * the default flow control setting, so we explicitly * set it to full. */ - if (hw->fc.type == e1000_fc_default) - hw->fc.type = e1000_fc_full; + if (hw->fc.requested_mode == e1000_fc_default) + hw->fc.requested_mode = e1000_fc_full; - hw->fc.original_type = hw->fc.type; + /* + * Save off the requested flow control mode for use later. Depending + * on the link partner's capabilities, we may or may not use this mode. + */ + hw->fc.current_mode = hw->fc.requested_mode; - hw_dbg(hw, "After fix-ups FlowControl is now = %x\n", hw->fc.type); + hw_dbg(hw, "After fix-ups FlowControl is now = %x\n", + hw->fc.current_mode); /* Continue to configure the copper link. */ ret_val = e1000_setup_copper_link_ich8lan(hw); |