diff options
Diffstat (limited to 'drivers/net/e1000.c')
| -rw-r--r-- | drivers/net/e1000.c | 3098 |
1 files changed, 2631 insertions, 467 deletions
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index a52749d..e3c6cea 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -51,7 +51,7 @@ tested on both gig copper and gig fiber boards #define bus_to_phys(devno, a) pci_mem_to_phys(devno, a) #define mdelay(n) udelay((n)*1000) -#define E1000_DEFAULT_PBA 0x00000030 +#define E1000_DEFAULT_PBA 0x000a0026 /* NIC specific static variables go here */ @@ -82,6 +82,28 @@ static struct pci_device_id supported[] = { {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82540EM_LOM}, {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82541ER}, {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82541GI_LF}, + /* E1000 PCIe card */ + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_COPPER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_FIBER }, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_SERDES }, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_QUAD_COPPER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571PT_QUAD_COPPER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_QUAD_FIBER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_QUAD_COPPER_LOWPROFILE}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_SERDES_DUAL}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82571EB_SERDES_QUAD}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82572EI_COPPER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82572EI_FIBER}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82572EI_SERDES}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82572EI}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573E}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573E_IAMT}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573L}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82546GB_QUAD_COPPER_KSP3}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_COPPER_DPT}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_SERDES_DPT}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_COPPER_SPT}, + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_SERDES_SPT}, {} }; @@ -95,16 +117,23 @@ static int e1000_config_mac_to_phy(struct e1000_hw *hw); static int e1000_config_fc_after_link_up(struct e1000_hw *hw); static int e1000_check_for_link(struct eth_device *nic); static int e1000_wait_autoneg(struct e1000_hw *hw); -static void e1000_get_speed_and_duplex(struct e1000_hw *hw, uint16_t * speed, +static int e1000_get_speed_and_duplex(struct e1000_hw *hw, uint16_t * speed, uint16_t * duplex); static int e1000_read_phy_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t * phy_data); static int e1000_write_phy_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t phy_data); -static void e1000_phy_hw_reset(struct e1000_hw *hw); +static int32_t e1000_phy_hw_reset(struct e1000_hw *hw); static int e1000_phy_reset(struct e1000_hw *hw); static int e1000_detect_gig_phy(struct e1000_hw *hw); - +static int32_t e1000_read_eeprom(struct e1000_hw *hw, uint16_t offset, + uint16_t words, + uint16_t *data); +static void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw); +static void e1000_set_media_type(struct e1000_hw *hw); + +static int32_t e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask); +static int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); #define E1000_WRITE_REG(a, reg, value) (writel((value), ((a)->hw_addr + E1000_##reg))) #define E1000_READ_REG(a, reg) (readl((a)->hw_addr + E1000_##reg)) #define E1000_WRITE_REG_ARRAY(a, reg, offset, value) (\ @@ -204,17 +233,17 @@ e1000_shift_out_ee_bits(struct e1000_hw *hw, uint16_t data, uint16_t count) * hw - Struct containing variables accessed by shared code *****************************************************************************/ static uint16_t -e1000_shift_in_ee_bits(struct e1000_hw *hw) +e1000_shift_in_ee_bits(struct e1000_hw *hw, uint16_t count) { uint32_t eecd; uint32_t i; uint16_t data; - /* In order to read a register from the EEPROM, we need to shift 16 bits - * in from the EEPROM. Bits are "shifted in" by raising the clock input to - * the EEPROM (setting the SK bit), and then reading the value of the "DO" - * bit. During this "shifting in" process the "DI" bit should always be - * clear.. + /* In order to read a register from the EEPROM, we need to shift 'count' + * bits in from the EEPROM. Bits are "shifted in" by raising the clock + * input to the EEPROM (setting the SK bit), and then reading the + * value of the "DO" bit. During this "shifting in" process the + * "DI" bit should always be clear. */ eecd = E1000_READ_REG(hw, EECD); @@ -222,7 +251,7 @@ e1000_shift_in_ee_bits(struct e1000_hw *hw) eecd &= ~(E1000_EECD_DO | E1000_EECD_DI); data = 0; - for (i = 0; i < 16; i++) { + for (i = 0; i < count; i++) { data = data << 1; e1000_raise_ee_clk(hw, &eecd); @@ -239,213 +268,600 @@ e1000_shift_in_ee_bits(struct e1000_hw *hw) } /****************************************************************************** - * Prepares EEPROM for access + * Returns EEPROM to a "standby" state * * hw - Struct containing variables accessed by shared code - * - * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This - * function should be called before issuing a command to the EEPROM. *****************************************************************************/ static void -e1000_setup_eeprom(struct e1000_hw *hw) +e1000_standby_eeprom(struct e1000_hw *hw) { + struct e1000_eeprom_info *eeprom = &hw->eeprom; uint32_t eecd; eecd = E1000_READ_REG(hw, EECD); - /* Clear SK and DI */ - eecd &= ~(E1000_EECD_SK | E1000_EECD_DI); - E1000_WRITE_REG(hw, EECD, eecd); + if (eeprom->type == e1000_eeprom_microwire) { + eecd &= ~(E1000_EECD_CS | E1000_EECD_SK); + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); - /* Set CS */ - eecd |= E1000_EECD_CS; - E1000_WRITE_REG(hw, EECD, eecd); + /* Clock high */ + eecd |= E1000_EECD_SK; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); + + /* Select EEPROM */ + eecd |= E1000_EECD_CS; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); + + /* Clock low */ + eecd &= ~E1000_EECD_SK; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); + } else if (eeprom->type == e1000_eeprom_spi) { + /* Toggle CS to flush commands */ + eecd |= E1000_EECD_CS; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); + eecd &= ~E1000_EECD_CS; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(eeprom->delay_usec); + } +} + +/*************************************************************************** +* Description: Determines if the onboard NVM is FLASH or EEPROM. +* +* hw - Struct containing variables accessed by shared code +****************************************************************************/ +static boolean_t e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw) +{ + uint32_t eecd = 0; + + DEBUGFUNC(); + + if (hw->mac_type == e1000_ich8lan) + return FALSE; + + if (hw->mac_type == e1000_82573) { + eecd = E1000_READ_REG(hw, EECD); + + /* Isolate bits 15 & 16 */ + eecd = ((eecd >> 15) & 0x03); + + /* If both bits are set, device is Flash type */ + if (eecd == 0x03) + return FALSE; + } + return TRUE; } /****************************************************************************** - * Returns EEPROM to a "standby" state + * Prepares EEPROM for access * * hw - Struct containing variables accessed by shared code + * + * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This + * function should be called before issuing a command to the EEPROM. *****************************************************************************/ -static void -e1000_standby_eeprom(struct e1000_hw *hw) +static int32_t +e1000_acquire_eeprom(struct e1000_hw *hw) { - uint32_t eecd; + struct e1000_eeprom_info *eeprom = &hw->eeprom; + uint32_t eecd, i = 0; + DEBUGOUT(); + + if (e1000_swfw_sync_acquire(hw, E1000_SWFW_EEP_SM)) + return -E1000_ERR_SWFW_SYNC; eecd = E1000_READ_REG(hw, EECD); - /* Deselct EEPROM */ - eecd &= ~(E1000_EECD_CS | E1000_EECD_SK); - E1000_WRITE_REG(hw, EECD, eecd); - E1000_WRITE_FLUSH(hw); - udelay(50); + if (hw->mac_type != e1000_82573) { + /* Request EEPROM Access */ + if (hw->mac_type > e1000_82544) { + eecd |= E1000_EECD_REQ; + E1000_WRITE_REG(hw, EECD, eecd); + eecd = E1000_READ_REG(hw, EECD); + while ((!(eecd & E1000_EECD_GNT)) && + (i < E1000_EEPROM_GRANT_ATTEMPTS)) { + i++; + udelay(5); + eecd = E1000_READ_REG(hw, EECD); + } + if (!(eecd & E1000_EECD_GNT)) { + eecd &= ~E1000_EECD_REQ; + E1000_WRITE_REG(hw, EECD, eecd); + DEBUGOUT("Could not acquire EEPROM grant\n"); + return -E1000_ERR_EEPROM; + } + } + } - /* Clock high */ - eecd |= E1000_EECD_SK; - E1000_WRITE_REG(hw, EECD, eecd); - E1000_WRITE_FLUSH(hw); - udelay(50); + /* Setup EEPROM for Read/Write */ - /* Select EEPROM */ - eecd |= E1000_EECD_CS; - E1000_WRITE_REG(hw, EECD, eecd); - E1000_WRITE_FLUSH(hw); - udelay(50); + if (eeprom->type == e1000_eeprom_microwire) { + /* Clear SK and DI */ + eecd &= ~(E1000_EECD_DI | E1000_EECD_SK); + E1000_WRITE_REG(hw, EECD, eecd); - /* Clock low */ - eecd &= ~E1000_EECD_SK; - E1000_WRITE_REG(hw, EECD, eecd); - E1000_WRITE_FLUSH(hw); - udelay(50); + /* Set CS */ + eecd |= E1000_EECD_CS; + E1000_WRITE_REG(hw, EECD, eecd); + } else if (eeprom->type == e1000_eeprom_spi) { + /* Clear SK and CS */ + eecd &= ~(E1000_EECD_CS | E1000_EECD_SK); + E1000_WRITE_REG(hw, EECD, eecd); + udelay(1); + } + + return E1000_SUCCESS; } /****************************************************************************** - * Reads a 16 bit word from the EEPROM. + * Sets up eeprom variables in the hw struct. Must be called after mac_type + * is configured. Additionally, if this is ICH8, the flash controller GbE + * registers must be mapped, or this will crash. * * hw - Struct containing variables accessed by shared code - * offset - offset of word in the EEPROM to read - * data - word read from the EEPROM *****************************************************************************/ -static int -e1000_read_eeprom(struct e1000_hw *hw, uint16_t offset, uint16_t * data) +static int32_t e1000_init_eeprom_params(struct e1000_hw *hw) { - uint32_t eecd; - uint32_t i = 0; - int large_eeprom = FALSE; + struct e1000_eeprom_info *eeprom = &hw->eeprom; + uint32_t eecd = E1000_READ_REG(hw, EECD); + int32_t ret_val = E1000_SUCCESS; + uint16_t eeprom_size; - /* Request EEPROM Access */ - if (hw->mac_type > e1000_82544) { - eecd = E1000_READ_REG(hw, EECD); - if (eecd & E1000_EECD_SIZE) - large_eeprom = TRUE; - eecd |= E1000_EECD_REQ; - E1000_WRITE_REG(hw, EECD, eecd); - eecd = E1000_READ_REG(hw, EECD); - while ((!(eecd & E1000_EECD_GNT)) && (i < 100)) { - i++; - udelay(10); - eecd = E1000_READ_REG(hw, EECD); + DEBUGOUT(); + + switch (hw->mac_type) { + case e1000_82542_rev2_0: + case e1000_82542_rev2_1: + case e1000_82543: + case e1000_82544: + eeprom->type = e1000_eeprom_microwire; + eeprom->word_size = 64; + eeprom->opcode_bits = 3; + eeprom->address_bits = 6; + eeprom->delay_usec = 50; + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + break; + case e1000_82540: + case e1000_82545: + case e1000_82545_rev_3: + case e1000_82546: + case e1000_82546_rev_3: + eeprom->type = e1000_eeprom_microwire; + eeprom->opcode_bits = 3; + eeprom->delay_usec = 50; + if (eecd & E1000_EECD_SIZE) { + eeprom->word_size = 256; + eeprom->address_bits = 8; + } else { + eeprom->word_size = 64; + eeprom->address_bits = 6; + } + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + break; + case e1000_82541: + case e1000_82541_rev_2: + case e1000_82547: + case e1000_82547_rev_2: + if (eecd & E1000_EECD_TYPE) { + eeprom->type = e1000_eeprom_spi; + eeprom->opcode_bits = 8; + eeprom->delay_usec = 1; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->page_size = 32; + eeprom->address_bits = 16; + } else { + eeprom->page_size = 8; + eeprom->address_bits = 8; + } + } else { + eeprom->type = e1000_eeprom_microwire; + eeprom->opcode_bits = 3; + eeprom->delay_usec = 50; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->word_size = 256; + eeprom->address_bits = 8; + } else { + eeprom->word_size = 64; + eeprom->address_bits = 6; + } } - if (!(eecd & E1000_EECD_GNT)) { - eecd &= ~E1000_EECD_REQ; + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + break; + case e1000_82571: + case e1000_82572: + eeprom->type = e1000_eeprom_spi; + eeprom->opcode_bits = 8; + eeprom->delay_usec = 1; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->page_size = 32; + eeprom->address_bits = 16; + } else { + eeprom->page_size = 8; + eeprom->address_bits = 8; + } + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + break; + case e1000_82573: + eeprom->type = e1000_eeprom_spi; + eeprom->opcode_bits = 8; + eeprom->delay_usec = 1; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->page_size = 32; + eeprom->address_bits = 16; + } else { + eeprom->page_size = 8; + eeprom->address_bits = 8; + } + eeprom->use_eerd = TRUE; + eeprom->use_eewr = TRUE; + if (e1000_is_onboard_nvm_eeprom(hw) == FALSE) { + eeprom->type = e1000_eeprom_flash; + eeprom->word_size = 2048; + + /* Ensure that the Autonomous FLASH update bit is cleared due to + * Flash update issue on parts which use a FLASH for NVM. */ + eecd &= ~E1000_EECD_AUPDEN; E1000_WRITE_REG(hw, EECD, eecd); - DEBUGOUT("Could not acquire EEPROM grant\n"); - return -E1000_ERR_EEPROM; } - } + break; + case e1000_80003es2lan: + eeprom->type = e1000_eeprom_spi; + eeprom->opcode_bits = 8; + eeprom->delay_usec = 1; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->page_size = 32; + eeprom->address_bits = 16; + } else { + eeprom->page_size = 8; + eeprom->address_bits = 8; + } + eeprom->use_eerd = TRUE; + eeprom->use_eewr = FALSE; + break; - /* Prepare the EEPROM for reading */ - e1000_setup_eeprom(hw); + /* ich8lan does not support currently. if needed, please + * add corresponding code and functions. + */ +#if 0 + case e1000_ich8lan: + { + int32_t i = 0; + + eeprom->type = e1000_eeprom_ich8; + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + eeprom->word_size = E1000_SHADOW_RAM_WORDS; + uint32_t flash_size = E1000_READ_ICH_FLASH_REG(hw, + ICH_FLASH_GFPREG); + /* Zero the shadow RAM structure. But don't load it from NVM + * so as to save time for driver init */ + if (hw->eeprom_shadow_ram != NULL) { + for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) { + hw->eeprom_shadow_ram[i].modified = FALSE; + hw->eeprom_shadow_ram[i].eeprom_word = 0xFFFF; + } + } - /* Send the READ command (opcode + addr) */ - e1000_shift_out_ee_bits(hw, EEPROM_READ_OPCODE, 3); - e1000_shift_out_ee_bits(hw, offset, (large_eeprom) ? 8 : 6); + hw->flash_base_addr = (flash_size & ICH_GFPREG_BASE_MASK) * + ICH_FLASH_SECTOR_SIZE; - /* Read the data */ - *data = e1000_shift_in_ee_bits(hw); + hw->flash_bank_size = ((flash_size >> 16) + & ICH_GFPREG_BASE_MASK) + 1; + hw->flash_bank_size -= (flash_size & ICH_GFPREG_BASE_MASK); - /* End this read operation */ - e1000_standby_eeprom(hw); + hw->flash_bank_size *= ICH_FLASH_SECTOR_SIZE; - /* Stop requesting EEPROM access */ - if (hw->mac_type > e1000_82544) { - eecd = E1000_READ_REG(hw, EECD); - eecd &= ~E1000_EECD_REQ; - E1000_WRITE_REG(hw, EECD, eecd); + hw->flash_bank_size /= 2 * sizeof(uint16_t); + break; + } +#endif + default: + break; } - return 0; + if (eeprom->type == e1000_eeprom_spi) { + /* eeprom_size will be an enum [0..8] that maps + * to eeprom sizes 128B to + * 32KB (incremented by powers of 2). + */ + if (hw->mac_type <= e1000_82547_rev_2) { + /* Set to default value for initial eeprom read. */ + eeprom->word_size = 64; + ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, + &eeprom_size); + if (ret_val) + return ret_val; + eeprom_size = (eeprom_size & EEPROM_SIZE_MASK) + >> EEPROM_SIZE_SHIFT; + /* 256B eeprom size was not supported in earlier + * hardware, so we bump eeprom_size up one to + * ensure that "1" (which maps to 256B) is never + * the result used in the shifting logic below. */ + if (eeprom_size) + eeprom_size++; + } else { + eeprom_size = (uint16_t)((eecd & + E1000_EECD_SIZE_EX_MASK) >> + E1000_EECD_SIZE_EX_SHIFT); + } + + eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT); + } + return ret_val; } -#if 0 -static void -e1000_eeprom_cleanup(struct e1000_hw *hw) +/****************************************************************************** + * Polls the status bit (bit 1) of the EERD to determine when the read is done. + * + * hw - Struct containing variables accessed by shared code + *****************************************************************************/ +static int32_t +e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd) { - uint32_t eecd; + uint32_t attempts = 100000; + uint32_t i, reg = 0; + int32_t done = E1000_ERR_EEPROM; - eecd = E1000_READ_REG(hw, EECD); - eecd &= ~(E1000_EECD_CS | E1000_EECD_DI); - E1000_WRITE_REG(hw, EECD, eecd); - e1000_raise_ee_clk(hw, &eecd); - e1000_lower_ee_clk(hw, &eecd); + for (i = 0; i < attempts; i++) { + if (eerd == E1000_EEPROM_POLL_READ) + reg = E1000_READ_REG(hw, EERD); + else + reg = E1000_READ_REG(hw, EEWR); + + if (reg & E1000_EEPROM_RW_REG_DONE) { + done = E1000_SUCCESS; + break; + } + udelay(5); + } + + return done; } -static uint16_t -e1000_wait_eeprom_done(struct e1000_hw *hw) +/****************************************************************************** + * Reads a 16 bit word from the EEPROM using the EERD register. + * + * hw - Struct containing variables accessed by shared code + * offset - offset of word in the EEPROM to read + * data - word read from the EEPROM + * words - number of words to read + *****************************************************************************/ +static int32_t +e1000_read_eeprom_eerd(struct e1000_hw *hw, + uint16_t offset, + uint16_t words, + uint16_t *data) { - uint32_t eecd; - uint32_t i; + uint32_t i, eerd = 0; + int32_t error = 0; + + for (i = 0; i < words; i++) { + eerd = ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) + + E1000_EEPROM_RW_REG_START; + + E1000_WRITE_REG(hw, EERD, eerd); + error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ); + + if (error) + break; + data[i] = (E1000_READ_REG(hw, EERD) >> + E1000_EEPROM_RW_REG_DATA); - e1000_standby_eeprom(hw); - for (i = 0; i < 200; i++) { - eecd = E1000_READ_REG(hw, EECD); - if (eecd & E1000_EECD_DO) - return (TRUE); - udelay(5); } - return (FALSE); + + return error; } -static int -e1000_write_eeprom(struct e1000_hw *hw, uint16_t Reg, uint16_t Data) +static void +e1000_release_eeprom(struct e1000_hw *hw) { uint32_t eecd; - int large_eeprom = FALSE; - int i = 0; - /* Request EEPROM Access */ - if (hw->mac_type > e1000_82544) { - eecd = E1000_READ_REG(hw, EECD); - if (eecd & E1000_EECD_SIZE) - large_eeprom = TRUE; - eecd |= E1000_EECD_REQ; + DEBUGFUNC(); + + eecd = E1000_READ_REG(hw, EECD); + + if (hw->eeprom.type == e1000_eeprom_spi) { + eecd |= E1000_EECD_CS; /* Pull CS high */ + eecd &= ~E1000_EECD_SK; /* Lower SCK */ + E1000_WRITE_REG(hw, EECD, eecd); - eecd = E1000_READ_REG(hw, EECD); - while ((!(eecd & E1000_EECD_GNT)) && (i < 100)) { - i++; - udelay(5); - eecd = E1000_READ_REG(hw, EECD); - } - if (!(eecd & E1000_EECD_GNT)) { - eecd &= ~E1000_EECD_REQ; - E1000_WRITE_REG(hw, EECD, eecd); - DEBUGOUT("Could not acquire EEPROM grant\n"); - return FALSE; - } - } - e1000_setup_eeprom(hw); - e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE, 5); - e1000_shift_out_ee_bits(hw, Reg, (large_eeprom) ? 6 : 4); - e1000_standby_eeprom(hw); - e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE, 3); - e1000_shift_out_ee_bits(hw, Reg, (large_eeprom) ? 8 : 6); - e1000_shift_out_ee_bits(hw, Data, 16); - if (!e1000_wait_eeprom_done(hw)) { - return FALSE; + + udelay(hw->eeprom.delay_usec); + } else if (hw->eeprom.type == e1000_eeprom_microwire) { + /* cleanup eeprom */ + + /* CS on Microwire is active-high */ + eecd &= ~(E1000_EECD_CS | E1000_EECD_DI); + + E1000_WRITE_REG(hw, EECD, eecd); + + /* Rising edge of clock */ + eecd |= E1000_EECD_SK; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(hw->eeprom.delay_usec); + + /* Falling edge of clock */ + eecd &= ~E1000_EECD_SK; + E1000_WRITE_REG(hw, EECD, eecd); + E1000_WRITE_FLUSH(hw); + udelay(hw->eeprom.delay_usec); } - e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE, 5); - e1000_shift_out_ee_bits(hw, Reg, (large_eeprom) ? 6 : 4); - e1000_eeprom_cleanup(hw); /* Stop requesting EEPROM access */ if (hw->mac_type > e1000_82544) { - eecd = E1000_READ_REG(hw, EECD); eecd &= ~E1000_EECD_REQ; E1000_WRITE_REG(hw, EECD, eecd); } - i = 0; - eecd = E1000_READ_REG(hw, EECD); - while (((eecd & E1000_EECD_GNT)) && (i < 500)) { - i++; - udelay(10); - eecd = E1000_READ_REG(hw, EECD); - } - if ((eecd & E1000_EECD_GNT)) { - DEBUGOUT("Could not release EEPROM grant\n"); +} +/****************************************************************************** + * Reads a 16 bit word from the EEPROM. + * + * hw - Struct containing variables accessed by shared code + *****************************************************************************/ +static int32_t +e1000_spi_eeprom_ready(struct e1000_hw *hw) +{ + uint16_t retry_count = 0; + uint8_t spi_stat_reg; + + DEBUGFUNC(); + + /* Read "Status Register" repeatedly until the LSB is cleared. The + * EEPROM will signal that the command has been completed by clearing + * bit 0 of the internal status register. If it's not cleared within + * 5 milliseconds, then error out. + */ + retry_count = 0; + do { + e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI, + hw->eeprom.opcode_bits); + spi_stat_reg = (uint8_t)e1000_shift_in_ee_bits(hw, 8); + if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI)) + break; + + udelay(5); + retry_count += 5; + + e1000_standby_eeprom(hw); + } while (retry_count < EEPROM_MAX_RETRY_SPI); + + /* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and + * only 0-5mSec on 5V devices) + */ + if (retry_count >= EEPROM_MAX_RETRY_SPI) { + DEBUGOUT("SPI EEPROM Status error\n"); + return -E1000_ERR_EEPROM; } - return TRUE; + + return E1000_SUCCESS; } + +/****************************************************************************** + * Reads a 16 bit word from the EEPROM. + * + * hw - Struct containing variables accessed by shared code + * offset - offset of word in the EEPROM to read + * data - word read from the EEPROM + *****************************************************************************/ +static int32_t +e1000_read_eeprom(struct e1000_hw *hw, uint16_t offset, + uint16_t words, uint16_t *data) +{ + struct e1000_eeprom_info *eeprom = &hw->eeprom; + uint32_t i = 0; + + DEBUGFUNC(); + + /* If eeprom is not yet detected, do so now */ + if (eeprom->word_size == 0) + e1000_init_eeprom_params(hw); + + /* A check for invalid values: offset too large, too many words, + * and not enough words. + */ + if ((offset >= eeprom->word_size) || + (words > eeprom->word_size - offset) || + (words == 0)) { + DEBUGOUT("\"words\" parameter out of bounds." + "Words = %d, size = %d\n", offset, eeprom->word_size); + return -E1000_ERR_EEPROM; + } + + /* EEPROM's that don't use EERD to read require us to bit-bang the SPI + * directly. In this case, we need to acquire the EEPROM so that + * FW or other port software does not interrupt. + */ + if (e1000_is_onboard_nvm_eeprom(hw) == TRUE && + hw->eeprom.use_eerd == FALSE) { + + /* Prepare the EEPROM for bit-bang reading */ + if (e1000_acquire_eeprom(hw) != E1000_SUCCESS) + return -E1000_ERR_EEPROM; + } + + /* Eerd register EEPROM access requires no eeprom aquire/release */ + if (eeprom->use_eerd == TRUE) + return e1000_read_eeprom_eerd(hw, offset, words, data); + + /* ich8lan does not support currently. if needed, please + * add corresponding code and functions. + */ +#if 0 + /* ICH EEPROM access is done via the ICH flash controller */ + if (eeprom->type == e1000_eeprom_ich8) + return e1000_read_eeprom_ich8(hw, offset, words, data); #endif + /* Set up the SPI or Microwire EEPROM for bit-bang reading. We have + * acquired the EEPROM at this point, so any returns should relase it */ + if (eeprom->type == e1000_eeprom_spi) { + uint16_t word_in; + uint8_t read_opcode = EEPROM_READ_OPCODE_SPI; + + if (e1000_spi_eeprom_ready(hw)) { + e1000_release_eeprom(hw); + return -E1000_ERR_EEPROM; + } + + e1000_standby_eeprom(hw); + + /* Some SPI eeproms use the 8th address bit embedded in + * the opcode */ + if ((eeprom->address_bits == 8) && (offset >= 128)) + read_opcode |= EEPROM_A8_OPCODE_SPI; + + /* Send the READ command (opcode + addr) */ + e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits); + e1000_shift_out_ee_bits(hw, (uint16_t)(offset*2), + eeprom->address_bits); + + /* Read the data. The address of the eeprom internally + * increments with each byte (spi) being read, saving on the + * overhead of eeprom setup and tear-down. The address + * counter will roll over if reading beyond the size of + * the eeprom, thus allowing the entire memory to be read + * starting from any offset. */ + for (i = 0; i < words; i++) { + word_in = e1000_shift_in_ee_bits(hw, 16); + data[i] = (word_in >> 8) | (word_in << 8); + } + } else if (eeprom->type == e1000_eeprom_microwire) { + for (i = 0; i < words; i++) { + /* Send the READ command (opcode + addr) */ + e1000_shift_out_ee_bits(hw, + EEPROM_READ_OPCODE_MICROWIRE, + eeprom->opcode_bits); + e1000_shift_out_ee_bits(hw, (uint16_t)(offset + i), + eeprom->address_bits); + + /* Read the data. For microwire, each word requires + * the overhead of eeprom setup and tear-down. */ + data[i] = e1000_shift_in_ee_bits(hw, 16); + e1000_standby_eeprom(hw); + } + } + + /* End this read operation */ + e1000_release_eeprom(hw); + + return E1000_SUCCESS; +} /****************************************************************************** * Verifies that the EEPROM has a valid checksum @@ -466,7 +882,7 @@ e1000_validate_eeprom_checksum(struct eth_device *nic) DEBUGFUNC(); for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { - if (e1000_read_eeprom(hw, i, &eeprom_data) < 0) { + if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) { DEBUGOUT("EEPROM Read Error\n"); return -E1000_ERR_EEPROM; } @@ -482,6 +898,162 @@ e1000_validate_eeprom_checksum(struct eth_device *nic) } #endif /* #ifndef CONFIG_AP1000 */ +/*************************************************************************** + * + * Obtaining software semaphore bit (SMBI) before resetting PHY. + * + * hw: Struct containing variables accessed by shared code + * + * returns: - E1000_ERR_RESET if fail to obtain semaphore. + * E1000_SUCCESS at any other case. + * + ***************************************************************************/ +static int32_t +e1000_get_software_semaphore(struct e1000_hw *hw) +{ + int32_t timeout = hw->eeprom.word_size + 1; + uint32_t swsm; + + DEBUGFUNC(); + + if (hw->mac_type != e1000_80003es2lan) + return E1000_SUCCESS; + + while (timeout) { + swsm = E1000_READ_REG(hw, SWSM); + /* If SMBI bit cleared, it is now set and we hold + * the semaphore */ + if (!(swsm & E1000_SWSM_SMBI)) + break; + mdelay(1); + timeout--; + } + + if (!timeout) { + DEBUGOUT("Driver can't access device - SMBI bit is set.\n"); + return -E1000_ERR_RESET; + } + + return E1000_SUCCESS; +} + +/*************************************************************************** + * This function clears HW semaphore bits. + * + * hw: Struct containing variables accessed by shared code + * + * returns: - None. + * + ***************************************************************************/ +static void +e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw) +{ + uint32_t swsm; + + DEBUGFUNC(); + + if (!hw->eeprom_semaphore_present) + return; + + swsm = E1000_READ_REG(hw, SWSM); + if (hw->mac_type == e1000_80003es2lan) { + /* Release both semaphores. */ + swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); + } else + swsm &= ~(E1000_SWSM_SWESMBI); + E1000_WRITE_REG(hw, SWSM, swsm); +} + +/*************************************************************************** + * + * Using the combination of SMBI and SWESMBI semaphore bits when resetting + * adapter or Eeprom access. + * + * hw: Struct containing variables accessed by shared code + * + * returns: - E1000_ERR_EEPROM if fail to access EEPROM. + * E1000_SUCCESS at any other case. + * + ***************************************************************************/ +static int32_t +e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw) +{ + int32_t timeout; + uint32_t swsm; + + DEBUGFUNC(); + + if (!hw->eeprom_semaphore_present) + return E1000_SUCCESS; + + if (hw->mac_type == e1000_80003es2lan) { + /* Get the SW semaphore. */ + if (e1000_get_software_semaphore(hw) != E1000_SUCCESS) + return -E1000_ERR_EEPROM; + } + + /* Get the FW semaphore. */ + timeout = hw->eeprom.word_size + 1; + while (timeout) { + swsm = E1000_READ_REG(hw, SWSM); + swsm |= E1000_SWSM_SWESMBI; + E1000_WRITE_REG(hw, SWSM, swsm); + /* if we managed to set the bit we got the semaphore. */ + swsm = E1000_READ_REG(hw, SWSM); + if (swsm & E1000_SWSM_SWESMBI) + break; + + udelay(50); + timeout--; + } + + if (!timeout) { + /* Release semaphores */ + e1000_put_hw_eeprom_semaphore(hw); + DEBUGOUT("Driver can't access the Eeprom - " + "SWESMBI bit is set.\n"); + return -E1000_ERR_EEPROM; + } + + return E1000_SUCCESS; +} + +static int32_t +e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask) +{ + uint32_t swfw_sync = 0; + uint32_t swmask = mask; + uint32_t fwmask = mask << 16; + int32_t timeout = 200; + + DEBUGFUNC(); + while (timeout) { + if (e1000_get_hw_eeprom_semaphore(hw)) + return -E1000_ERR_SWFW_SYNC; + + swfw_sync = E1000_READ_REG(hw, SW_FW_SYNC); + if (!(swfw_sync & (fwmask | swmask))) + break; + + /* firmware currently using resource (fwmask) */ + /* or other software thread currently using resource (swmask) */ + e1000_put_hw_eeprom_semaphore(hw); + mdelay(5); + timeout--; + } + + if (!timeout) { + DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n"); + return -E1000_ERR_SWFW_SYNC; + } + + swfw_sync |= swmask; + E1000_WRITE_REG(hw, SW_FW_SYNC, swfw_sync); + + e1000_put_hw_eeprom_semaphore(hw); + return E1000_SUCCESS; +} + /****************************************************************************** * Reads the adapter's MAC address from the EEPROM and inverts the LSB for the * second function of dual function devices @@ -501,7 +1073,7 @@ e1000_read_mac_addr(struct eth_device *nic) for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) { offset = i >> 1; - if (e1000_read_eeprom(hw, offset, &eeprom_data) < 0) { + if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) { DEBUGOUT("EEPROM Read Error\n"); return -E1000_ERR_EEPROM; } @@ -605,7 +1177,7 @@ e1000_clear_vfta(struct e1000_hw *hw) * * hw - Struct containing variables accessed by shared code *****************************************************************************/ -static int +int32_t e1000_set_mac_type(struct e1000_hw *hw) { DEBUGFUNC(); @@ -636,21 +1208,88 @@ e1000_set_mac_type(struct e1000_hw *hw) break; case E1000_DEV_ID_82540EM: case E1000_DEV_ID_82540EM_LOM: + case E1000_DEV_ID_82540EP: + case E1000_DEV_ID_82540EP_LOM: + case E1000_DEV_ID_82540EP_LP: hw->mac_type = e1000_82540; break; case E1000_DEV_ID_82545EM_COPPER: - case E1000_DEV_ID_82545GM_COPPER: case E1000_DEV_ID_82545EM_FIBER: hw->mac_type = e1000_82545; break; + case E1000_DEV_ID_82545GM_COPPER: + case E1000_DEV_ID_82545GM_FIBER: + case E1000_DEV_ID_82545GM_SERDES: + hw->mac_type = e1000_82545_rev_3; + break; case E1000_DEV_ID_82546EB_COPPER: case E1000_DEV_ID_82546EB_FIBER: + case E1000_DEV_ID_82546EB_QUAD_COPPER: hw->mac_type = e1000_82546; break; + case E1000_DEV_ID_82546GB_COPPER: + case E1000_DEV_ID_82546GB_FIBER: + case E1000_DEV_ID_82546GB_SERDES: + case E1000_DEV_ID_82546GB_PCIE: + case E1000_DEV_ID_82546GB_QUAD_COPPER: + case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: + hw->mac_type = e1000_82546_rev_3; + break; + case E1000_DEV_ID_82541EI: + case E1000_DEV_ID_82541EI_MOBILE: + case E1000_DEV_ID_82541ER_LOM: + hw->mac_type = e1000_82541; + break; case E1000_DEV_ID_82541ER: + case E1000_DEV_ID_82541GI: case E1000_DEV_ID_82541GI_LF: + case E1000_DEV_ID_82541GI_MOBILE: hw->mac_type = e1000_82541_rev_2; break; + case E1000_DEV_ID_82547EI: + case E1000_DEV_ID_82547EI_MOBILE: + hw->mac_type = e1000_82547; + break; + case E1000_DEV_ID_82547GI: + hw->mac_type = e1000_82547_rev_2; + break; + case E1000_DEV_ID_82571EB_COPPER: + case E1000_DEV_ID_82571EB_FIBER: + case E1000_DEV_ID_82571EB_SERDES: + case E1000_DEV_ID_82571EB_SERDES_DUAL: + case E1000_DEV_ID_82571EB_SERDES_QUAD: + case E1000_DEV_ID_82571EB_QUAD_COPPER: + case E1000_DEV_ID_82571PT_QUAD_COPPER: + case E1000_DEV_ID_82571EB_QUAD_FIBER: + case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: + hw->mac_type = e1000_82571; + break; + case E1000_DEV_ID_82572EI_COPPER: + case E1000_DEV_ID_82572EI_FIBER: + case E1000_DEV_ID_82572EI_SERDES: + case E1000_DEV_ID_82572EI: + hw->mac_type = e1000_82572; + break; + case E1000_DEV_ID_82573E: + case E1000_DEV_ID_82573E_IAMT: + case E1000_DEV_ID_82573L: + hw->mac_type = e1000_82573; + break; + case E1000_DEV_ID_80003ES2LAN_COPPER_SPT: + case E1000_DEV_ID_80003ES2LAN_SERDES_SPT: + case E1000_DEV_ID_80003ES2LAN_COPPER_DPT: + case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: + hw->mac_type = e1000_80003es2lan; + break; + case E1000_DEV_ID_ICH8_IGP_M_AMT: + case E1000_DEV_ID_ICH8_IGP_AMT: + case E1000_DEV_ID_ICH8_IGP_C: + case E1000_DEV_ID_ICH8_IFE: + case E1000_DEV_ID_ICH8_IFE_GT: + case E1000_DEV_ID_ICH8_IFE_G: + case E1000_DEV_ID_ICH8_IGP_M: + hw->mac_type = e1000_ich8lan; + break; default: /* Should never have loaded on this device */ return -E1000_ERR_MAC_TYPE; @@ -677,8 +1316,7 @@ e1000_reset_hw(struct e1000_hw *hw) if (hw->mac_type == e1000_82542_rev2_0) { DEBUGOUT("Disabling MWI on 82542 rev 2.0\n"); pci_write_config_word(hw->pdev, PCI_COMMAND, - hw-> - pci_cmd_word & ~PCI_COMMAND_INVALIDATE); + hw->pci_cmd_word & ~PCI_COMMAND_INVALIDATE); } /* Clear interrupt mask to stop board from generating interrupts */ @@ -709,12 +1347,7 @@ e1000_reset_hw(struct e1000_hw *hw) DEBUGOUT("Issuing a global reset to MAC\n"); ctrl = E1000_READ_REG(hw, CTRL); -#if 0 - if (hw->mac_type > e1000_82543) - E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST)); - else -#endif - E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_RST)); + E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_RST)); /* Force a reload from the EEPROM if necessary */ if (hw->mac_type < e1000_82540) { @@ -746,6 +1379,127 @@ e1000_reset_hw(struct e1000_hw *hw) if (hw->mac_type == e1000_82542_rev2_0) { pci_write_config_word(hw->pdev, PCI_COMMAND, hw->pci_cmd_word); } + E1000_WRITE_REG(hw, PBA, E1000_DEFAULT_PBA); +} + +/****************************************************************************** + * + * Initialize a number of hardware-dependent bits + * + * hw: Struct containing variables accessed by shared code + * + * This function contains hardware limitation workarounds for PCI-E adapters + * + *****************************************************************************/ +static void +e1000_initialize_hardware_bits(struct e1000_hw *hw) +{ + if ((hw->mac_type >= e1000_82571) && + (!hw->initialize_hw_bits_disable)) { + /* Settings common to all PCI-express silicon */ + uint32_t reg_ctrl, reg_ctrl_ext; + uint32_t reg_tarc0, reg_tarc1; + uint32_t reg_tctl; + uint32_t reg_txdctl, reg_txdctl1; + + /* link autonegotiation/sync workarounds */ + reg_tarc0 = E1000_READ_REG(hw, TARC0); + reg_tarc0 &= ~((1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)); + + /* Enable not-done TX descriptor counting */ + reg_txdctl = E1000_READ_REG(hw, TXDCTL); + reg_txdctl |= E1000_TXDCTL_COUNT_DESC; + E1000_WRITE_REG(hw, TXDCTL, reg_txdctl); + + reg_txdctl1 = E1000_READ_REG(hw, TXDCTL1); + reg_txdctl1 |= E1000_TXDCTL_COUNT_DESC; + E1000_WRITE_REG(hw, TXDCTL1, reg_txdctl1); + + switch (hw->mac_type) { + case e1000_82571: + case e1000_82572: + /* Clear PHY TX compatible mode bits */ + reg_tarc1 = E1000_READ_REG(hw, TARC1); + reg_tarc1 &= ~((1 << 30)|(1 << 29)); + + /* link autonegotiation/sync workarounds */ + reg_tarc0 |= ((1 << 26)|(1 << 25)|(1 << 24)|(1 << 23)); + + /* TX ring control fixes */ + reg_tarc1 |= ((1 << 26)|(1 << 25)|(1 << 24)); + + /* Multiple read bit is reversed polarity */ + reg_tctl = E1000_READ_REG(hw, TCTL); + if (reg_tctl & E1000_TCTL_MULR) + reg_tarc1 &= ~(1 << 28); + else + reg_tarc1 |= (1 << 28); + + E1000_WRITE_REG(hw, TARC1, reg_tarc1); + break; + case e1000_82573: + reg_ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + reg_ctrl_ext &= ~(1 << 23); + reg_ctrl_ext |= (1 << 22); + + /* TX byte count fix */ + reg_ctrl = E1000_READ_REG(hw, CTRL); + reg_ctrl &= ~(1 << 29); + + E1000_WRITE_REG(hw, CTRL_EXT, reg_ctrl_ext); + E1000_WRITE_REG(hw, CTRL, reg_ctrl); + break; + case e1000_80003es2lan: + /* improve small packet performace for fiber/serdes */ + if ((hw->media_type == e1000_media_type_fiber) + || (hw->media_type == + e1000_media_type_internal_serdes)) { + reg_tarc0 &= ~(1 << 20); + } + + /* Multiple read bit is reversed polarity */ + reg_tctl = E1000_READ_REG(hw, TCTL); + reg_tarc1 = E1000_READ_REG(hw, TARC1); + if (reg_tctl & E1000_TCTL_MULR) + reg_tarc1 &= ~(1 << 28); + else + reg_tarc1 |= (1 << 28); + + E1000_WRITE_REG(hw, TARC1, reg_tarc1); + break; + case e1000_ich8lan: + /* Reduce concurrent DMA requests to 3 from 4 */ + if ((hw->revision_id < 3) || + ((hw->device_id != E1000_DEV_ID_ICH8_IGP_M_AMT) && + (hw->device_id != E1000_DEV_ID_ICH8_IGP_M))) + reg_tarc0 |= ((1 << 29)|(1 << 28)); + + reg_ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + reg_ctrl_ext |= (1 << 22); + E1000_WRITE_REG(hw, CTRL_EXT, reg_ctrl_ext); + + /* workaround TX hang with TSO=on */ + reg_tarc0 |= ((1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)); + + /* Multiple read bit is reversed polarity */ + reg_tctl = E1000_READ_REG(hw, TCTL); + reg_tarc1 = E1000_READ_REG(hw, TARC1); + if (reg_tctl & E1000_TCTL_MULR) + reg_tarc1 &= ~(1 << 28); + else + reg_tarc1 |= (1 << 28); + + /* workaround TX hang with TSO=on */ + reg_tarc1 |= ((1 << 30)|(1 << 26)|(1 << 24)); + + E1000_WRITE_REG(hw, TARC1, reg_tarc1); + break; + default: + break; + } + + E1000_WRITE_REG(hw, TARC0, reg_tarc0); + } } /****************************************************************************** @@ -763,49 +1517,43 @@ static int e1000_init_hw(struct eth_device *nic) { struct e1000_hw *hw = nic->priv; - uint32_t ctrl, status; + uint32_t ctrl; uint32_t i; int32_t ret_val; uint16_t pcix_cmd_word; uint16_t pcix_stat_hi_word; uint16_t cmd_mmrbc; uint16_t stat_mmrbc; - e1000_bus_type bus_type = e1000_bus_type_unknown; - + uint32_t mta_size; + uint32_t reg_data; + uint32_t ctrl_ext; DEBUGFUNC(); -#if 0 - /* Initialize Identification LED */ - ret_val = e1000_id_led_init(hw); - if (ret_val < 0) { - DEBUGOUT("Error Initializing Identification LED\n"); - return ret_val; - } -#endif - /* Set the Media Type and exit with error if it is not valid. */ - if (hw->mac_type != e1000_82543) { - /* tbi_compatibility is only valid on 82543 */ - hw->tbi_compatibility_en = FALSE; + /* force full DMA clock frequency for 10/100 on ICH8 A0-B0 */ + if ((hw->mac_type == e1000_ich8lan) && + ((hw->revision_id < 3) || + ((hw->device_id != E1000_DEV_ID_ICH8_IGP_M_AMT) && + (hw->device_id != E1000_DEV_ID_ICH8_IGP_M)))) { + reg_data = E1000_READ_REG(hw, STATUS); + reg_data &= ~0x80000000; + E1000_WRITE_REG(hw, STATUS, reg_data); } + /* Do not need initialize Identification LED */ - if (hw->mac_type >= e1000_82543) { - status = E1000_READ_REG(hw, STATUS); - if (status & E1000_STATUS_TBIMODE) { - hw->media_type = e1000_media_type_fiber; - /* tbi_compatibility not valid on fiber */ - hw->tbi_compatibility_en = FALSE; - } else { - hw->media_type = e1000_media_type_copper; - } - } else { - /* This is an 82542 (fiber only) */ - hw->media_type = e1000_media_type_fiber; - } + /* Set the media type and TBI compatibility */ + e1000_set_media_type(hw); + + /* Must be called after e1000_set_media_type + * because media_type is used */ + e1000_initialize_hardware_bits(hw); /* Disabling VLAN filtering. */ DEBUGOUT("Initializing the IEEE VLAN\n"); - E1000_WRITE_REG(hw, VET, 0); - - e1000_clear_vfta(hw); + /* VET hardcoded to standard value and VFTA removed in ICH8 LAN */ + if (hw->mac_type != e1000_ich8lan) { + if (hw->mac_type < e1000_82545_rev_3) + E1000_WRITE_REG(hw, VET, 0); + e1000_clear_vfta(hw); + } /* For 82542 (rev 2.0), disable MWI and put the receiver into reset */ if (hw->mac_type == e1000_82542_rev2_0) { @@ -833,26 +1581,33 @@ e1000_init_hw(struct eth_device *nic) /* Zero out the Multicast HASH table */ DEBUGOUT("Zeroing the MTA\n"); - for (i = 0; i < E1000_MC_TBL_SIZE; i++) + mta_size = E1000_MC_TBL_SIZE; + if (hw->mac_type == e1000_ich8lan) + mta_size = E1000_MC_TBL_SIZE_ICH8LAN; + for (i = 0; i < mta_size; i++) { E1000_WRITE_REG_ARRAY(hw, MTA, i, 0); - + /* use write flush to prevent Memory Write Block (MWB) from + * occuring when accessing our register space */ + E1000_WRITE_FLUSH(hw); + } #if 0 /* Set the PCI priority bit correctly in the CTRL register. This * determines if the adapter gives priority to receives, or if it - * gives equal priority to transmits and receives. + * gives equal priority to transmits and receives. Valid only on + * 82542 and 82543 silicon. */ - if (hw->dma_fairness) { + if (hw->dma_fairness && hw->mac_type <= e1000_82543) { ctrl = E1000_READ_REG(hw, CTRL); E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PRIOR); } #endif - if (hw->mac_type >= e1000_82543) { - status = E1000_READ_REG(hw, STATUS); - bus_type = (status & E1000_STATUS_PCIX_MODE) ? - e1000_bus_type_pcix : e1000_bus_type_pci; - } + switch (hw->mac_type) { + case e1000_82545_rev_3: + case e1000_82546_rev_3: + break; + default: /* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */ - if (bus_type == e1000_bus_type_pcix) { + if (hw->bus_type == e1000_bus_type_pcix) { pci_read_config_word(hw->pdev, PCIX_COMMAND_REGISTER, &pcix_cmd_word); pci_read_config_word(hw->pdev, PCIX_STATUS_REGISTER_HI, @@ -872,6 +1627,12 @@ e1000_init_hw(struct eth_device *nic) pcix_cmd_word); } } + break; + } + + /* More time needed for PHY to initialize */ + if (hw->mac_type == e1000_ich8lan) + mdelay(15); /* Call a subroutine to configure the link and setup flow control. */ ret_val = e1000_setup_link(nic); @@ -884,6 +1645,48 @@ e1000_init_hw(struct eth_device *nic) E1000_TXDCTL_FULL_TX_DESC_WB; E1000_WRITE_REG(hw, TXDCTL, ctrl); } + + switch (hw->mac_type) { + default: + break; + case e1000_80003es2lan: + /* Enable retransmit on late collisions */ + reg_data = E1000_READ_REG(hw, TCTL); + reg_data |= E1000_TCTL_RTLC; + E1000_WRITE_REG(hw, TCTL, reg_data); + + /* Configure Gigabit Carry Extend Padding */ + reg_data = E1000_READ_REG(hw, TCTL_EXT); + reg_data &= ~E1000_TCTL_EXT_GCEX_MASK; + reg_data |= DEFAULT_80003ES2LAN_TCTL_EXT_GCEX; + E1000_WRITE_REG(hw, TCTL_EXT, reg_data); + + /* Configure Transmit Inter-Packet Gap */ + reg_data = E1000_READ_REG(hw, TIPG); + reg_data &= ~E1000_TIPG_IPGT_MASK; + reg_data |= DEFAULT_80003ES2LAN_TIPG_IPGT_1000; + E1000_WRITE_REG(hw, TIPG, reg_data); + + reg_data = E1000_READ_REG_ARRAY(hw, FFLT, 0x0001); + reg_data &= ~0x00100000; + E1000_WRITE_REG_ARRAY(hw, FFLT, 0x0001, reg_data); + /* Fall through */ + case e1000_82571: + case e1000_82572: + case e1000_ich8lan: + ctrl = E1000_READ_REG(hw, TXDCTL1); + ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) + | E1000_TXDCTL_FULL_TX_DESC_WB; + E1000_WRITE_REG(hw, TXDCTL1, ctrl); + break; + } + + if (hw->mac_type == e1000_82573) { + uint32_t gcr = E1000_READ_REG(hw, GCR); + gcr |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX; + E1000_WRITE_REG(hw, GCR, gcr); + } + #if 0 /* Clear all of the statistics registers (clear on read). It is * important that we do this after we have tried to establish link @@ -891,8 +1694,22 @@ e1000_init_hw(struct eth_device *nic) * is no link. */ e1000_clear_hw_cntrs(hw); + + /* ICH8 No-snoop bits are opposite polarity. + * Set to snoop by default after reset. */ + if (hw->mac_type == e1000_ich8lan) + e1000_set_pci_ex_no_snoop(hw, PCI_EX_82566_SNOOP_ALL); #endif + if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER || + hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) { + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + /* Relaxed ordering must be disabled to avoid a parity + * error crash in a PCI slot. */ + ctrl_ext |= E1000_CTRL_EXT_RO_DIS; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + } + return ret_val; } @@ -917,6 +1734,11 @@ e1000_setup_link(struct eth_device *nic) DEBUGFUNC(); + /* In the case of the phy reset being blocked, we already have a link. + * We do not have to set it up again. */ + if (e1000_check_phy_reset_block(hw)) + return E1000_SUCCESS; + #ifndef CONFIG_AP1000 /* Read and store word 0x0F of the EEPROM. This word contains bits * that determine the hardware's default PAUSE (flow control) mode, @@ -926,7 +1748,8 @@ e1000_setup_link(struct eth_device *nic) * control setting, then the variable hw->fc will * be initialized based on a value in the EEPROM. */ - if (e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, &eeprom_data) < 0) { + if (e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, + &eeprom_data) < 0) { DEBUGOUT("EEPROM Read Error\n"); return -E1000_ERR_EEPROM; } @@ -937,13 +1760,31 @@ e1000_setup_link(struct eth_device *nic) #endif if (hw->fc == e1000_fc_default) { - if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) - hw->fc = e1000_fc_none; - else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == - EEPROM_WORD0F_ASM_DIR) - hw->fc = e1000_fc_tx_pause; - else + switch (hw->mac_type) { + case e1000_ich8lan: + case e1000_82573: hw->fc = e1000_fc_full; + break; + default: +#ifndef CONFIG_AP1000 + ret_val = e1000_read_eeprom(hw, + EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data); + if (ret_val) { + DEBUGOUT("EEPROM Read Error\n"); + return -E1000_ERR_EEPROM; + } +#else + eeprom_data = 0xb220; +#endif + if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) + hw->fc = e1000_fc_none; + else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == + EEPROM_WORD0F_ASM_DIR) + hw->fc = e1000_fc_tx_pause; + else + hw->fc = e1000_fc_full; + break; + } } /* We want to save off the original Flow Control configuration just @@ -985,12 +1826,16 @@ e1000_setup_link(struct eth_device *nic) * control is disabled, because it does not hurt anything to * initialize these registers. */ - DEBUGOUT - ("Initializing the Flow Control address, type and timer regs\n"); + DEBUGOUT("Initializing the Flow Control address, type" + "and timer regs\n"); + + /* FCAL/H and FCT are hardcoded to standard values in e1000_ich8lan. */ + if (hw->mac_type != e1000_ich8lan) { + E1000_WRITE_REG(hw, FCT, FLOW_CONTROL_TYPE); + E1000_WRITE_REG(hw, FCAH, FLOW_CONTROL_ADDRESS_HIGH); + E1000_WRITE_REG(hw, FCAL, FLOW_CONTROL_ADDRESS_LOW); + } - E1000_WRITE_REG(hw, FCAL, FLOW_CONTROL_ADDRESS_LOW); - E1000_WRITE_REG(hw, FCAH, FLOW_CONTROL_ADDRESS_HIGH); - E1000_WRITE_REG(hw, FCT, FLOW_CONTROL_TYPE); E1000_WRITE_REG(hw, FCTTV, hw->fc_pause_time); /* Set the flow control receive threshold registers. Normally, @@ -1154,18 +1999,57 @@ e1000_setup_fiber_link(struct eth_device *nic) return 0; } +/***************************************************************************** + * Set PHY to class A mode + * Assumes the following operations will follow to enable the new class mode. + * 1. Do a PHY soft reset + * 2. Restart auto-negotiation or force link. + * + * hw - Struct containing variables accessed by shared code + ****************************************************************************/ +static int32_t +e1000_set_phy_mode(struct e1000_hw *hw) +{ + int32_t ret_val; + uint16_t eeprom_data; + + DEBUGFUNC(); + + if ((hw->mac_type == e1000_82545_rev_3) && + (hw->media_type == e1000_media_type_copper)) { + ret_val = e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, + 1, &eeprom_data); + if (ret_val) + return ret_val; + + if ((eeprom_data != EEPROM_RESERVED_WORD) && + (eeprom_data & EEPROM_PHY_CLASS_A)) { + ret_val = e1000_write_phy_reg(hw, + M88E1000_PHY_PAGE_SELECT, 0x000B); + if (ret_val) + return ret_val; + ret_val = e1000_write_phy_reg(hw, + M88E1000_PHY_GEN_CONTROL, 0x8104); + if (ret_val) + return ret_val; + + hw->phy_reset_disable = FALSE; + } + } + + return E1000_SUCCESS; +} + /****************************************************************************** -* Detects which PHY is present and the speed and duplex +* Make sure we have a valid PHY and change PHY mode before link setup. * * hw - Struct containing variables accessed by shared code ******************************************************************************/ -static int -e1000_setup_copper_link(struct eth_device *nic) +static int32_t +e1000_copper_link_preconfig(struct e1000_hw *hw) { - struct e1000_hw *hw = nic->priv; uint32_t ctrl; int32_t ret_val; - uint16_t i; uint16_t phy_data; DEBUGFUNC(); @@ -1180,28 +2064,684 @@ e1000_setup_copper_link(struct eth_device *nic) ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); E1000_WRITE_REG(hw, CTRL, ctrl); } else { - ctrl |= - (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU); + ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX + | E1000_CTRL_SLU); E1000_WRITE_REG(hw, CTRL, ctrl); - e1000_phy_hw_reset(hw); + ret_val = e1000_phy_hw_reset(hw); + if (ret_val) + return ret_val; } /* Make sure we have a valid PHY */ ret_val = e1000_detect_gig_phy(hw); - if (ret_val < 0) { + if (ret_val) { DEBUGOUT("Error, did not detect valid phy.\n"); return ret_val; } DEBUGOUT("Phy ID = %x \n", hw->phy_id); - /* Enable CRS on TX. This must be set for half-duplex operation. */ - if (e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; +#ifndef CONFIG_AP1000 + /* Set PHY to class A mode (if necessary) */ + ret_val = e1000_set_phy_mode(hw); + if (ret_val) + return ret_val; +#endif + if ((hw->mac_type == e1000_82545_rev_3) || + (hw->mac_type == e1000_82546_rev_3)) { + ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, + &phy_data); + phy_data |= 0x00000008; + ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, + phy_data); + } + + if (hw->mac_type <= e1000_82543 || + hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 || + hw->mac_type == e1000_82541_rev_2 + || hw->mac_type == e1000_82547_rev_2) + hw->phy_reset_disable = FALSE; + + return E1000_SUCCESS; +} + +/***************************************************************************** + * + * This function sets the lplu state according to the active flag. When + * activating lplu this function also disables smart speed and vise versa. + * lplu will not be activated unless the device autonegotiation advertisment + * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes. + * hw: Struct containing variables accessed by shared code + * active - true to enable lplu false to disable lplu. + * + * returns: - E1000_ERR_PHY if fail to read/write the PHY + * E1000_SUCCESS at any other case. + * + ****************************************************************************/ + +static int32_t +e1000_set_d3_lplu_state(struct e1000_hw *hw, boolean_t active) +{ + uint32_t phy_ctrl = 0; + int32_t ret_val; + uint16_t phy_data; + DEBUGFUNC(); + + if (hw->phy_type != e1000_phy_igp && hw->phy_type != e1000_phy_igp_2 + && hw->phy_type != e1000_phy_igp_3) + return E1000_SUCCESS; + + /* During driver activity LPLU should not be used or it will attain link + * from the lowest speeds starting from 10Mbps. The capability is used + * for Dx transitions and states */ + if (hw->mac_type == e1000_82541_rev_2 + || hw->mac_type == e1000_82547_rev_2) { + ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, + &phy_data); + if (ret_val) + return ret_val; + } else if (hw->mac_type == e1000_ich8lan) { + /* MAC writes into PHY register based on the state transition + * and start auto-negotiation. SW driver can overwrite the + * settings in CSR PHY power control E1000_PHY_CTRL register. */ + phy_ctrl = E1000_READ_REG(hw, PHY_CTRL); + } else { + ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, + &phy_data); + if (ret_val) + return ret_val; + } + + if (!active) { + if (hw->mac_type == e1000_82541_rev_2 || + hw->mac_type == e1000_82547_rev_2) { + phy_data &= ~IGP01E1000_GMII_FLEX_SPD; + ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, + phy_data); + if (ret_val) + return ret_val; + } else { + if (hw->mac_type == e1000_ich8lan) { + phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; + E1000_WRITE_REG(hw, PHY_CTRL, phy_ctrl); + } else { + phy_data &= ~IGP02E1000_PM_D3_LPLU; + ret_val = e1000_write_phy_reg(hw, + IGP02E1000_PHY_POWER_MGMT, phy_data); + if (ret_val) + return ret_val; + } + } + + /* LPLU and SmartSpeed are mutually exclusive. LPLU is used during + * Dx states where the power conservation is most important. During + * driver activity we should enable SmartSpeed, so performance is + * maintained. */ + if (hw->smart_speed == e1000_smart_speed_on) { + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + } else if (hw->smart_speed == e1000_smart_speed_off) { + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + } + + } else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT) + || (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL) || + (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_100_ALL)) { + + if (hw->mac_type == e1000_82541_rev_2 || + hw->mac_type == e1000_82547_rev_2) { + phy_data |= IGP01E1000_GMII_FLEX_SPD; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_GMII_FIFO, phy_data); + if (ret_val) + return ret_val; + } else { + if (hw->mac_type == e1000_ich8lan) { + phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; + E1000_WRITE_REG(hw, PHY_CTRL, phy_ctrl); + } else { + phy_data |= IGP02E1000_PM_D3_LPLU; + ret_val = e1000_write_phy_reg(hw, + IGP02E1000_PHY_POWER_MGMT, phy_data); + if (ret_val) + return ret_val; + } + } + + /* When LPLU is enabled we should disable SmartSpeed */ + ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, + &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, + phy_data); + if (ret_val) + return ret_val; + } + return E1000_SUCCESS; +} + +/***************************************************************************** + * + * This function sets the lplu d0 state according to the active flag. When + * activating lplu this function also disables smart speed and vise versa. + * lplu will not be activated unless the device autonegotiation advertisment + * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes. + * hw: Struct containing variables accessed by shared code + * active - true to enable lplu false to disable lplu. + * + * returns: - E1000_ERR_PHY if fail to read/write the PHY + * E1000_SUCCESS at any other case. + * + ****************************************************************************/ + +static int32_t +e1000_set_d0_lplu_state(struct e1000_hw *hw, boolean_t active) +{ + uint32_t phy_ctrl = 0; + int32_t ret_val; + uint16_t phy_data; + DEBUGFUNC(); + + if (hw->mac_type <= e1000_82547_rev_2) + return E1000_SUCCESS; + + if (hw->mac_type == e1000_ich8lan) { + phy_ctrl = E1000_READ_REG(hw, PHY_CTRL); + } else { + ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, + &phy_data); + if (ret_val) + return ret_val; + } + + if (!active) { + if (hw->mac_type == e1000_ich8lan) { + phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; + E1000_WRITE_REG(hw, PHY_CTRL, phy_ctrl); + } else { + phy_data &= ~IGP02E1000_PM_D0_LPLU; + ret_val = e1000_write_phy_reg(hw, + IGP02E1000_PHY_POWER_MGMT, phy_data); + if (ret_val) + return ret_val; + } + + /* LPLU and SmartSpeed are mutually exclusive. LPLU is used during + * Dx states where the power conservation is most important. During + * driver activity we should enable SmartSpeed, so performance is + * maintained. */ + if (hw->smart_speed == e1000_smart_speed_on) { + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + } else if (hw->smart_speed == e1000_smart_speed_off) { + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + } + + + } else { + + if (hw->mac_type == e1000_ich8lan) { + phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; + E1000_WRITE_REG(hw, PHY_CTRL, phy_ctrl); + } else { + phy_data |= IGP02E1000_PM_D0_LPLU; + ret_val = e1000_write_phy_reg(hw, + IGP02E1000_PHY_POWER_MGMT, phy_data); + if (ret_val) + return ret_val; + } + + /* When LPLU is enabled we should disable SmartSpeed */ + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + + } + return E1000_SUCCESS; +} + +/******************************************************************** +* Copper link setup for e1000_phy_igp series. +* +* hw - Struct containing variables accessed by shared code +*********************************************************************/ +static int32_t +e1000_copper_link_igp_setup(struct e1000_hw *hw) +{ + uint32_t led_ctrl; + int32_t ret_val; + uint16_t phy_data; + + DEBUGOUT(); + + if (hw->phy_reset_disable) + return E1000_SUCCESS; + + ret_val = e1000_phy_reset(hw); + if (ret_val) { + DEBUGOUT("Error Resetting the PHY\n"); + return ret_val; + } + + /* Wait 15ms for MAC to configure PHY from eeprom settings */ + mdelay(15); + if (hw->mac_type != e1000_ich8lan) { + /* Configure activity LED after PHY reset */ + led_ctrl = E1000_READ_REG(hw, LEDCTL); + led_ctrl &= IGP_ACTIVITY_LED_MASK; + led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE); + E1000_WRITE_REG(hw, LEDCTL, led_ctrl); + } + + /* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */ + if (hw->phy_type == e1000_phy_igp) { + /* disable lplu d3 during driver init */ + ret_val = e1000_set_d3_lplu_state(hw, FALSE); + if (ret_val) { + DEBUGOUT("Error Disabling LPLU D3\n"); + return ret_val; + } + } + + /* disable lplu d0 during driver init */ + ret_val = e1000_set_d0_lplu_state(hw, FALSE); + if (ret_val) { + DEBUGOUT("Error Disabling LPLU D0\n"); + return ret_val; + } + /* Configure mdi-mdix settings */ + ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data); + if (ret_val) + return ret_val; + + if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) { + hw->dsp_config_state = e1000_dsp_config_disabled; + /* Force MDI for earlier revs of the IGP PHY */ + phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX + | IGP01E1000_PSCR_FORCE_MDI_MDIX); + hw->mdix = 1; + + } else { + hw->dsp_config_state = e1000_dsp_config_enabled; + phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX; + + switch (hw->mdix) { + case 1: + phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX; + break; + case 2: + phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX; + break; + case 0: + default: + phy_data |= IGP01E1000_PSCR_AUTO_MDIX; + break; + } + } + ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data); + if (ret_val) + return ret_val; + + /* set auto-master slave resolution settings */ + if (hw->autoneg) { + e1000_ms_type phy_ms_setting = hw->master_slave; + + if (hw->ffe_config_state == e1000_ffe_config_active) + hw->ffe_config_state = e1000_ffe_config_enabled; + + if (hw->dsp_config_state == e1000_dsp_config_activated) + hw->dsp_config_state = e1000_dsp_config_enabled; + + /* when autonegotiation advertisment is only 1000Mbps then we + * should disable SmartSpeed and enable Auto MasterSlave + * resolution as hardware default. */ + if (hw->autoneg_advertised == ADVERTISE_1000_FULL) { + /* Disable SmartSpeed */ + ret_val = e1000_read_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, &phy_data); + if (ret_val) + return ret_val; + phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED; + ret_val = e1000_write_phy_reg(hw, + IGP01E1000_PHY_PORT_CONFIG, phy_data); + if (ret_val) + return ret_val; + /* Set auto Master/Slave resolution process */ + ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, + &phy_data); + if (ret_val) + return ret_val; + phy_data &= ~CR_1000T_MS_ENABLE; + ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, + phy_data); + if (ret_val) + return ret_val; + } + + ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* load defaults for future use */ + hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ? + ((phy_data & CR_1000T_MS_VALUE) ? + e1000_ms_force_master : + e1000_ms_force_slave) : + e1000_ms_auto; + + switch (phy_ms_setting) { + case e1000_ms_force_master: + phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE); + break; + case e1000_ms_force_slave: + phy_data |= CR_1000T_MS_ENABLE; + phy_data &= ~(CR_1000T_MS_VALUE); + break; + case e1000_ms_auto: + phy_data &= ~CR_1000T_MS_ENABLE; + default: + break; + } + ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data); + if (ret_val) + return ret_val; } + + return E1000_SUCCESS; +} + +/***************************************************************************** + * This function checks the mode of the firmware. + * + * returns - TRUE when the mode is IAMT or FALSE. + ****************************************************************************/ +boolean_t +e1000_check_mng_mode(struct e1000_hw *hw) +{ + uint32_t fwsm; + DEBUGFUNC(); + + fwsm = E1000_READ_REG(hw, FWSM); + + if (hw->mac_type == e1000_ich8lan) { + if ((fwsm & E1000_FWSM_MODE_MASK) == + (E1000_MNG_ICH_IAMT_MODE << E1000_FWSM_MODE_SHIFT)) + return TRUE; + } else if ((fwsm & E1000_FWSM_MODE_MASK) == + (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT)) + return TRUE; + + return FALSE; +} + +static int32_t +e1000_write_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data) +{ + uint32_t reg_val; + uint16_t swfw; + DEBUGFUNC(); + + if ((hw->mac_type == e1000_80003es2lan) && + (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { + swfw = E1000_SWFW_PHY1_SM; + } else { + swfw = E1000_SWFW_PHY0_SM; + } + if (e1000_swfw_sync_acquire(hw, swfw)) + return -E1000_ERR_SWFW_SYNC; + + reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT) + & E1000_KUMCTRLSTA_OFFSET) | data; + E1000_WRITE_REG(hw, KUMCTRLSTA, reg_val); + udelay(2); + + return E1000_SUCCESS; +} + +static int32_t +e1000_read_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t *data) +{ + uint32_t reg_val; + uint16_t swfw; + DEBUGFUNC(); + + if ((hw->mac_type == e1000_80003es2lan) && + (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) { + swfw = E1000_SWFW_PHY1_SM; + } else { + swfw = E1000_SWFW_PHY0_SM; + } + if (e1000_swfw_sync_acquire(hw, swfw)) + return -E1000_ERR_SWFW_SYNC; + + /* Write register address */ + reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT) & + E1000_KUMCTRLSTA_OFFSET) | E1000_KUMCTRLSTA_REN; + E1000_WRITE_REG(hw, KUMCTRLSTA, reg_val); + udelay(2); + + /* Read the data returned */ + reg_val = E1000_READ_REG(hw, KUMCTRLSTA); + *data = (uint16_t)reg_val; + + return E1000_SUCCESS; +} + +/******************************************************************** +* Copper link setup for e1000_phy_gg82563 series. +* +* hw - Struct containing variables accessed by shared code +*********************************************************************/ +static int32_t +e1000_copper_link_ggp_setup(struct e1000_hw *hw) +{ + int32_t ret_val; + uint16_t phy_data; + uint32_t reg_data; + + DEBUGFUNC(); + + if (!hw->phy_reset_disable) { + /* Enable CRS on TX for half-duplex operation. */ + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_MAC_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX; + /* Use 25MHz for both link down and 1000BASE-T for Tx clock */ + phy_data |= GG82563_MSCR_TX_CLK_1000MBPS_25MHZ; + + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_MAC_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + + /* Options: + * MDI/MDI-X = 0 (default) + * 0 - Auto for all speeds + * 1 - MDI mode + * 2 - MDI-X mode + * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) + */ + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~GG82563_PSCR_CROSSOVER_MODE_MASK; + + switch (hw->mdix) { + case 1: + phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDI; + break; + case 2: + phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDIX; + break; + case 0: + default: + phy_data |= GG82563_PSCR_CROSSOVER_MODE_AUTO; + break; + } + + /* Options: + * disable_polarity_correction = 0 (default) + * Automatic Correction for Reversed Cable Polarity + * 0 - Disabled + * 1 - Enabled + */ + phy_data &= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE; + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_SPEC_CTRL, phy_data); + + if (ret_val) + return ret_val; + + /* SW Reset the PHY so all changes take effect */ + ret_val = e1000_phy_reset(hw); + if (ret_val) { + DEBUGOUT("Error Resetting the PHY\n"); + return ret_val; + } + } /* phy_reset_disable */ + + if (hw->mac_type == e1000_80003es2lan) { + /* Bypass RX and TX FIFO's */ + ret_val = e1000_write_kmrn_reg(hw, + E1000_KUMCTRLSTA_OFFSET_FIFO_CTRL, + E1000_KUMCTRLSTA_FIFO_CTRL_RX_BYPASS + | E1000_KUMCTRLSTA_FIFO_CTRL_TX_BYPASS); + if (ret_val) + return ret_val; + + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_SPEC_CTRL_2, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~GG82563_PSCR2_REVERSE_AUTO_NEG; + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_SPEC_CTRL_2, phy_data); + + if (ret_val) + return ret_val; + + reg_data = E1000_READ_REG(hw, CTRL_EXT); + reg_data &= ~(E1000_CTRL_EXT_LINK_MODE_MASK); + E1000_WRITE_REG(hw, CTRL_EXT, reg_data); + + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_PWR_MGMT_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* Do not init these registers when the HW is in IAMT mode, since the + * firmware will have already initialized them. We only initialize + * them if the HW is not in IAMT mode. + */ + if (e1000_check_mng_mode(hw) == FALSE) { + /* Enable Electrical Idle on the PHY */ + phy_data |= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE; + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_PWR_MGMT_CTRL, phy_data); + if (ret_val) + return ret_val; + + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_KMRN_MODE_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER; + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_KMRN_MODE_CTRL, phy_data); + + if (ret_val) + return ret_val; + } + + /* Workaround: Disable padding in Kumeran interface in the MAC + * and in the PHY to avoid CRC errors. + */ + ret_val = e1000_read_phy_reg(hw, + GG82563_PHY_INBAND_CTRL, &phy_data); + if (ret_val) + return ret_val; + phy_data |= GG82563_ICR_DIS_PADDING; + ret_val = e1000_write_phy_reg(hw, + GG82563_PHY_INBAND_CTRL, phy_data); + if (ret_val) + return ret_val; + } + return E1000_SUCCESS; +} + +/******************************************************************** +* Copper link setup for e1000_phy_m88 series. +* +* hw - Struct containing variables accessed by shared code +*********************************************************************/ +static int32_t +e1000_copper_link_mgp_setup(struct e1000_hw *hw) +{ + int32_t ret_val; + uint16_t phy_data; + + DEBUGFUNC(); + + if (hw->phy_reset_disable) + return E1000_SUCCESS; + + /* Enable CRS on TX. This must be set for half-duplex operation. */ + ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; -#if 0 /* Options: * MDI/MDI-X = 0 (default) * 0 - Auto for all speeds @@ -1210,6 +2750,7 @@ e1000_setup_copper_link(struct eth_device *nic) * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) */ phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; + switch (hw->mdix) { case 1: phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE; @@ -1225,68 +2766,75 @@ e1000_setup_copper_link(struct eth_device *nic) phy_data |= M88E1000_PSCR_AUTO_X_MODE; break; } -#else - phy_data |= M88E1000_PSCR_AUTO_X_MODE; -#endif -#if 0 /* Options: * disable_polarity_correction = 0 (default) - * Automatic Correction for Reversed Cable Polarity + * Automatic Correction for Reversed Cable Polarity * 0 - Disabled * 1 - Enabled */ phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL; - if (hw->disable_polarity_correction == 1) - phy_data |= M88E1000_PSCR_POLARITY_REVERSAL; -#else - phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL; -#endif - if (e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; - } + ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; - /* Force TX_CLK in the Extended PHY Specific Control Register - * to 25MHz clock. - */ - if (e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } - phy_data |= M88E1000_EPSCR_TX_CLK_25; - /* Configure Master and Slave downshift values */ - phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK | - M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK); - phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X | - M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X); - if (e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; + if (hw->phy_revision < M88E1011_I_REV_4) { + /* Force TX_CLK in the Extended PHY Specific Control Register + * to 25MHz clock. + */ + ret_val = e1000_read_phy_reg(hw, + M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= M88E1000_EPSCR_TX_CLK_25; + + if ((hw->phy_revision == E1000_REVISION_2) && + (hw->phy_id == M88E1111_I_PHY_ID)) { + /* Vidalia Phy, set the downshift counter to 5x */ + phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK); + phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X; + ret_val = e1000_write_phy_reg(hw, + M88E1000_EXT_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + } else { + /* Configure Master and Slave downshift values */ + phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK + | M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK); + phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X + | M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X); + ret_val = e1000_write_phy_reg(hw, + M88E1000_EXT_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + } } /* SW Reset the PHY so all changes take effect */ ret_val = e1000_phy_reset(hw); - if (ret_val < 0) { + if (ret_val) { DEBUGOUT("Error Resetting the PHY\n"); return ret_val; } - /* Options: - * autoneg = 1 (default) - * PHY will advertise value(s) parsed from - * autoneg_advertised and fc - * autoneg = 0 - * PHY will be set to 10H, 10F, 100H, or 100F - * depending on value parsed from forced_speed_duplex. - */ + return E1000_SUCCESS; +} + +/******************************************************************** +* Setup auto-negotiation and flow control advertisements, +* and then perform auto-negotiation. +* +* hw - Struct containing variables accessed by shared code +*********************************************************************/ +static int32_t +e1000_copper_link_autoneg(struct e1000_hw *hw) +{ + int32_t ret_val; + uint16_t phy_data; + + DEBUGFUNC(); - /* Is autoneg enabled? This is enabled by default or by software override. - * If so, call e1000_phy_setup_autoneg routine to parse the - * autoneg_advertised and fc options. If autoneg is NOT enabled, then the - * user should have provided a speed/duplex override. If so, then call - * e1000_phy_force_speed_duplex to parse and set this up. - */ /* Perform some bounds checking on the hw->autoneg_advertised * parameter. If this variable is zero, then set it to the default. */ @@ -1298,9 +2846,13 @@ e1000_setup_copper_link(struct eth_device *nic) if (hw->autoneg_advertised == 0) hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT; + /* IFE phy only supports 10/100 */ + if (hw->phy_type == e1000_phy_ife) + hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL; + DEBUGOUT("Reconfiguring auto-neg advertisement params\n"); ret_val = e1000_phy_setup_autoneg(hw); - if (ret_val < 0) { + if (ret_val) { DEBUGOUT("Error Setting up Auto-Negotiation\n"); return ret_val; } @@ -1309,82 +2861,177 @@ e1000_setup_copper_link(struct eth_device *nic) /* Restart auto-negotiation by setting the Auto Neg Enable bit and * the Auto Neg Restart bit in the PHY control register. */ - if (e1000_read_phy_reg(hw, PHY_CTRL, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } + ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data); + if (ret_val) + return ret_val; + phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); - if (e1000_write_phy_reg(hw, PHY_CTRL, phy_data) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; - } -#if 0 + ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data); + if (ret_val) + return ret_val; + /* Does the user want to wait for Auto-Neg to complete here, or * check at a later time (for example, callback routine). */ + /* If we do not wait for autonegtation to complete I + * do not see a valid link status. + * wait_autoneg_complete = 1 . + */ if (hw->wait_autoneg_complete) { ret_val = e1000_wait_autoneg(hw); - if (ret_val < 0) { - DEBUGOUT - ("Error while waiting for autoneg to complete\n"); + if (ret_val) { + DEBUGOUT("Error while waiting for autoneg" + "to complete\n"); return ret_val; } } -#else - /* If we do not wait for autonegtation to complete I - * do not see a valid link status. - */ - ret_val = e1000_wait_autoneg(hw); - if (ret_val < 0) { - DEBUGOUT("Error while waiting for autoneg to complete\n"); + + hw->get_link_status = TRUE; + + return E1000_SUCCESS; +} + +/****************************************************************************** +* Config the MAC and the PHY after link is up. +* 1) Set up the MAC to the current PHY speed/duplex +* if we are on 82543. If we +* are on newer silicon, we only need to configure +* collision distance in the Transmit Control Register. +* 2) Set up flow control on the MAC to that established with +* the link partner. +* 3) Config DSP to improve Gigabit link quality for some PHY revisions. +* +* hw - Struct containing variables accessed by shared code +******************************************************************************/ +static int32_t +e1000_copper_link_postconfig(struct e1000_hw *hw) +{ + int32_t ret_val; + DEBUGFUNC(); + + if (hw->mac_type >= e1000_82544) { + e1000_config_collision_dist(hw); + } else { + ret_val = e1000_config_mac_to_phy(hw); + if (ret_val) { + DEBUGOUT("Error configuring MAC to PHY settings\n"); + return ret_val; + } + } + ret_val = e1000_config_fc_after_link_up(hw); + if (ret_val) { + DEBUGOUT("Error Configuring Flow Control\n"); return ret_val; } -#endif + return E1000_SUCCESS; +} + +/****************************************************************************** +* Detects which PHY is present and setup the speed and duplex +* +* hw - Struct containing variables accessed by shared code +******************************************************************************/ +static int +e1000_setup_copper_link(struct eth_device *nic) +{ + struct e1000_hw *hw = nic->priv; + int32_t ret_val; + uint16_t i; + uint16_t phy_data; + uint16_t reg_data; + + DEBUGFUNC(); + + switch (hw->mac_type) { + case e1000_80003es2lan: + case e1000_ich8lan: + /* Set the mac to wait the maximum time between each + * iteration and increase the max iterations when + * polling the phy; this fixes erroneous timeouts at 10Mbps. */ + ret_val = e1000_write_kmrn_reg(hw, + GG82563_REG(0x34, 4), 0xFFFF); + if (ret_val) + return ret_val; + ret_val = e1000_read_kmrn_reg(hw, + GG82563_REG(0x34, 9), ®_data); + if (ret_val) + return ret_val; + reg_data |= 0x3F; + ret_val = e1000_write_kmrn_reg(hw, + GG82563_REG(0x34, 9), reg_data); + if (ret_val) + return ret_val; + default: + break; + } + + /* Check if it is a valid PHY and set PHY mode if necessary. */ + ret_val = e1000_copper_link_preconfig(hw); + if (ret_val) + return ret_val; + switch (hw->mac_type) { + case e1000_80003es2lan: + /* Kumeran registers are written-only */ + reg_data = + E1000_KUMCTRLSTA_INB_CTRL_LINK_STATUS_TX_TIMEOUT_DEFAULT; + reg_data |= E1000_KUMCTRLSTA_INB_CTRL_DIS_PADDING; + ret_val = e1000_write_kmrn_reg(hw, + E1000_KUMCTRLSTA_OFFSET_INB_CTRL, reg_data); + if (ret_val) + return ret_val; + break; + default: + break; + } + + if (hw->phy_type == e1000_phy_igp || + hw->phy_type == e1000_phy_igp_3 || + hw->phy_type == e1000_phy_igp_2) { + ret_val = e1000_copper_link_igp_setup(hw); + if (ret_val) + return ret_val; + } else if (hw->phy_type == e1000_phy_m88) { + ret_val = e1000_copper_link_mgp_setup(hw); + if (ret_val) + return ret_val; + } else if (hw->phy_type == e1000_phy_gg82563) { + ret_val = e1000_copper_link_ggp_setup(hw); + if (ret_val) + return ret_val; + } + + /* always auto */ + /* Setup autoneg and flow control advertisement + * and perform autonegotiation */ + ret_val = e1000_copper_link_autoneg(hw); + if (ret_val) + return ret_val; /* Check link status. Wait up to 100 microseconds for link to become * valid. */ for (i = 0; i < 10; i++) { - if (e1000_read_phy_reg(hw, PHY_STATUS, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } - if (e1000_read_phy_reg(hw, PHY_STATUS, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } + ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data); + if (ret_val) + return ret_val; + ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data); + if (ret_val) + return ret_val; + if (phy_data & MII_SR_LINK_STATUS) { - /* We have link, so we need to finish the config process: - * 1) Set up the MAC to the current PHY speed/duplex - * if we are on 82543. If we - * are on newer silicon, we only need to configure - * collision distance in the Transmit Control Register. - * 2) Set up flow control on the MAC to that established with - * the link partner. - */ - if (hw->mac_type >= e1000_82544) { - e1000_config_collision_dist(hw); - } else { - ret_val = e1000_config_mac_to_phy(hw); - if (ret_val < 0) { - DEBUGOUT - ("Error configuring MAC to PHY settings\n"); - return ret_val; - } - } - ret_val = e1000_config_fc_after_link_up(hw); - if (ret_val < 0) { - DEBUGOUT("Error Configuring Flow Control\n"); + /* Config the MAC and PHY after link is up */ + ret_val = e1000_copper_link_postconfig(hw); + if (ret_val) return ret_val; - } + DEBUGOUT("Valid link established!!!\n"); - return 0; + return E1000_SUCCESS; } udelay(10); } DEBUGOUT("Unable to establish link!!!\n"); - return -E1000_ERR_NOLINK; + return E1000_SUCCESS; } /****************************************************************************** @@ -1392,25 +3039,28 @@ e1000_setup_copper_link(struct eth_device *nic) * * hw - Struct containing variables accessed by shared code ******************************************************************************/ -static int +int32_t e1000_phy_setup_autoneg(struct e1000_hw *hw) { + int32_t ret_val; uint16_t mii_autoneg_adv_reg; uint16_t mii_1000t_ctrl_reg; DEBUGFUNC(); /* Read the MII Auto-Neg Advertisement Register (Address 4). */ - if (e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } + ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg); + if (ret_val) + return ret_val; - /* Read the MII 1000Base-T Control Register (Address 9). */ - if (e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } + if (hw->phy_type != e1000_phy_ife) { + /* Read the MII 1000Base-T Control Register (Address 9). */ + ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, + &mii_1000t_ctrl_reg); + if (ret_val) + return ret_val; + } else + mii_1000t_ctrl_reg = 0; /* Need to parse both autoneg_advertised and fc and set up * the appropriate PHY registers. First we will parse for @@ -1421,7 +3071,7 @@ e1000_phy_setup_autoneg(struct e1000_hw *hw) /* First we clear all the 10/100 mb speed bits in the Auto-Neg * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T Control Register (Address 9). + * the 1000Base-T Control Register (Address 9). */ mii_autoneg_adv_reg &= ~REG4_SPEED_MASK; mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK; @@ -1517,18 +3167,20 @@ e1000_phy_setup_autoneg(struct e1000_hw *hw) return -E1000_ERR_CONFIG; } - if (e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; - } + ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg); + if (ret_val) + return ret_val; DEBUGOUT("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); - if (e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; + if (hw->phy_type != e1000_phy_ife) { + ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, + mii_1000t_ctrl_reg); + if (ret_val) + return ret_val; } - return 0; + + return E1000_SUCCESS; } /****************************************************************************** @@ -1542,12 +3194,19 @@ e1000_phy_setup_autoneg(struct e1000_hw *hw) static void e1000_config_collision_dist(struct e1000_hw *hw) { - uint32_t tctl; + uint32_t tctl, coll_dist; + + DEBUGFUNC(); + + if (hw->mac_type < e1000_82543) + coll_dist = E1000_COLLISION_DISTANCE_82542; + else + coll_dist = E1000_COLLISION_DISTANCE; tctl = E1000_READ_REG(hw, TCTL); tctl &= ~E1000_TCTL_COLD; - tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT; + tctl |= coll_dist << E1000_COLD_SHIFT; E1000_WRITE_REG(hw, TCTL, tctl); E1000_WRITE_FLUSH(hw); @@ -1681,7 +3340,7 @@ e1000_force_mac_fc(struct e1000_hw *hw) * based on the flow control negotiated by the PHY. In TBI mode, the TFCE * and RFCE bits will be automaticaly set to the negotiated flow control mode. *****************************************************************************/ -static int +static int32_t e1000_config_fc_after_link_up(struct e1000_hw *hw) { int32_t ret_val; @@ -1697,7 +3356,11 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) * so we had to force link. In this case, we need to force the * configuration of the MAC to match the "fc" parameter. */ - if ((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed)) { + if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed)) + || ((hw->media_type == e1000_media_type_internal_serdes) + && (hw->autoneg_failed)) + || ((hw->media_type == e1000_media_type_copper) + && (!hw->autoneg))) { ret_val = e1000_force_mac_fc(hw); if (ret_val < 0) { DEBUGOUT("Error forcing flow control settings\n"); @@ -1881,7 +3544,7 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) ("Copper PHY and Auto Neg has not completed.\r\n"); } } - return 0; + return E1000_SUCCESS; } /****************************************************************************** @@ -2070,17 +3733,92 @@ e1000_check_for_link(struct eth_device *nic) } /****************************************************************************** +* Configure the MAC-to-PHY interface for 10/100Mbps +* +* hw - Struct containing variables accessed by shared code +******************************************************************************/ +static int32_t +e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, uint16_t duplex) +{ + int32_t ret_val = E1000_SUCCESS; + uint32_t tipg; + uint16_t reg_data; + + DEBUGFUNC(); + + reg_data = E1000_KUMCTRLSTA_HD_CTRL_10_100_DEFAULT; + ret_val = e1000_write_kmrn_reg(hw, + E1000_KUMCTRLSTA_OFFSET_HD_CTRL, reg_data); + if (ret_val) + return ret_val; + + /* Configure Transmit Inter-Packet Gap */ + tipg = E1000_READ_REG(hw, TIPG); + tipg &= ~E1000_TIPG_IPGT_MASK; + tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_10_100; + E1000_WRITE_REG(hw, TIPG, tipg); + + ret_val = e1000_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, ®_data); + + if (ret_val) + return ret_val; + + if (duplex == HALF_DUPLEX) + reg_data |= GG82563_KMCR_PASS_FALSE_CARRIER; + else + reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER; + + ret_val = e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); + + return ret_val; +} + +static int32_t +e1000_configure_kmrn_for_1000(struct e1000_hw *hw) +{ + int32_t ret_val = E1000_SUCCESS; + uint16_t reg_data; + uint32_t tipg; + + DEBUGFUNC(); + + reg_data = E1000_KUMCTRLSTA_HD_CTRL_1000_DEFAULT; + ret_val = e1000_write_kmrn_reg(hw, + E1000_KUMCTRLSTA_OFFSET_HD_CTRL, reg_data); + if (ret_val) + return ret_val; + + /* Configure Transmit Inter-Packet Gap */ + tipg = E1000_READ_REG(hw, TIPG); + tipg &= ~E1000_TIPG_IPGT_MASK; + tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_1000; + E1000_WRITE_REG(hw, TIPG, tipg); + + ret_val = e1000_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, ®_data); + + if (ret_val) + return ret_val; + + reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER; + ret_val = e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); + + return ret_val; +} + +/****************************************************************************** * Detects the current speed and duplex settings of the hardware. * * hw - Struct containing variables accessed by shared code * speed - Speed of the connection * duplex - Duplex setting of the connection *****************************************************************************/ -static void -e1000_get_speed_and_duplex(struct e1000_hw *hw, - uint16_t * speed, uint16_t * duplex) +static int +e1000_get_speed_and_duplex(struct e1000_hw *hw, uint16_t *speed, + uint16_t *duplex) { uint32_t status; + int32_t ret_val; + uint16_t phy_data; DEBUGFUNC(); @@ -2109,6 +3847,41 @@ e1000_get_speed_and_duplex(struct e1000_hw *hw, *speed = SPEED_1000; *duplex = FULL_DUPLEX; } + + /* IGP01 PHY may advertise full duplex operation after speed downgrade + * even if it is operating at half duplex. Here we set the duplex + * settings to match the duplex in the link partner's capabilities. + */ + if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) { + ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data); + if (ret_val) + return ret_val; + + if (!(phy_data & NWAY_ER_LP_NWAY_CAPS)) + *duplex = HALF_DUPLEX; + else { + ret_val = e1000_read_phy_reg(hw, + PHY_LP_ABILITY, &phy_data); + if (ret_val) + return ret_val; + if ((*speed == SPEED_100 && + !(phy_data & NWAY_LPAR_100TX_FD_CAPS)) + || (*speed == SPEED_10 + && !(phy_data & NWAY_LPAR_10T_FD_CAPS))) + *duplex = HALF_DUPLEX; + } + } + + if ((hw->mac_type == e1000_80003es2lan) && + (hw->media_type == e1000_media_type_copper)) { + if (*speed == SPEED_1000) + ret_val = e1000_configure_kmrn_for_1000(hw); + else + ret_val = e1000_configure_kmrn_for_10_100(hw, *duplex); + if (ret_val) + return ret_val; + } + return E1000_SUCCESS; } /****************************************************************************** @@ -2429,30 +4202,132 @@ e1000_write_phy_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t phy_data) } /****************************************************************************** + * Checks if PHY reset is blocked due to SOL/IDER session, for example. + * Returning E1000_BLK_PHY_RESET isn't necessarily an error. But it's up to + * the caller to figure out how to deal with it. + * + * hw - Struct containing variables accessed by shared code + * + * returns: - E1000_BLK_PHY_RESET + * E1000_SUCCESS + * + *****************************************************************************/ +int32_t +e1000_check_phy_reset_block(struct e1000_hw *hw) +{ + uint32_t manc = 0; + uint32_t fwsm = 0; + + if (hw->mac_type == e1000_ich8lan) { + fwsm = E1000_READ_REG(hw, FWSM); + return (fwsm & E1000_FWSM_RSPCIPHY) ? E1000_SUCCESS + : E1000_BLK_PHY_RESET; + } + + if (hw->mac_type > e1000_82547_rev_2) + manc = E1000_READ_REG(hw, MANC); + return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ? + E1000_BLK_PHY_RESET : E1000_SUCCESS; +} + +/*************************************************************************** + * Checks if the PHY configuration is done + * + * hw: Struct containing variables accessed by shared code + * + * returns: - E1000_ERR_RESET if fail to reset MAC + * E1000_SUCCESS at any other case. + * + ***************************************************************************/ +static int32_t +e1000_get_phy_cfg_done(struct e1000_hw *hw) +{ + int32_t timeout = PHY_CFG_TIMEOUT; + uint32_t cfg_mask = E1000_EEPROM_CFG_DONE; + + DEBUGFUNC(); + + switch (hw->mac_type) { + default: + mdelay(10); + break; + case e1000_80003es2lan: + /* Separate *_CFG_DONE_* bit for each port */ + if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) + cfg_mask = E1000_EEPROM_CFG_DONE_PORT_1; + /* Fall Through */ + case e1000_82571: + case e1000_82572: + while (timeout) { + if (E1000_READ_REG(hw, EEMNGCTL) & cfg_mask) + break; + else + mdelay(1); + timeout--; + } + if (!timeout) { + DEBUGOUT("MNG configuration cycle has not " + "completed.\n"); + return -E1000_ERR_RESET; + } + break; + } + + return E1000_SUCCESS; +} + +/****************************************************************************** * Returns the PHY to the power-on reset state * * hw - Struct containing variables accessed by shared code ******************************************************************************/ -static void +int32_t e1000_phy_hw_reset(struct e1000_hw *hw) { - uint32_t ctrl; - uint32_t ctrl_ext; + uint32_t ctrl, ctrl_ext; + uint32_t led_ctrl; + int32_t ret_val; + uint16_t swfw; DEBUGFUNC(); + /* In the case of the phy reset being blocked, it's not an error, we + * simply return success without performing the reset. */ + ret_val = e1000_check_phy_reset_block(hw); + if (ret_val) + return E1000_SUCCESS; + 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)) { + 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. */ ctrl = E1000_READ_REG(hw, CTRL); E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PHY_RST); E1000_WRITE_FLUSH(hw); - mdelay(10); + + if (hw->mac_type < e1000_82571) + udelay(10); + else + udelay(100); + E1000_WRITE_REG(hw, CTRL, ctrl); E1000_WRITE_FLUSH(hw); + + if (hw->mac_type >= e1000_82571) + mdelay(10); + } else { /* Read the Extended Device Control Register, assert the PHY_RESET_DIR * bit to put the PHY into reset. Then, take it out of reset. @@ -2468,6 +4343,127 @@ e1000_phy_hw_reset(struct e1000_hw *hw) E1000_WRITE_FLUSH(hw); } udelay(150); + + if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) { + /* Configure activity LED after PHY reset */ + led_ctrl = E1000_READ_REG(hw, LEDCTL); + led_ctrl &= IGP_ACTIVITY_LED_MASK; + led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE); + E1000_WRITE_REG(hw, LEDCTL, led_ctrl); + } + + /* Wait for FW to finish PHY configuration. */ + ret_val = e1000_get_phy_cfg_done(hw); + if (ret_val != E1000_SUCCESS) + return ret_val; + + return ret_val; +} + +/****************************************************************************** + * IGP phy init script - initializes the GbE PHY + * + * hw - Struct containing variables accessed by shared code + *****************************************************************************/ +static void +e1000_phy_init_script(struct e1000_hw *hw) +{ + uint32_t ret_val; + uint16_t phy_saved_data; + DEBUGFUNC(); + + if (hw->phy_init_script) { + mdelay(20); + + /* Save off the current value of register 0x2F5B to be + * restored at the end of this routine. */ + ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data); + + /* Disabled the PHY transmitter */ + e1000_write_phy_reg(hw, 0x2F5B, 0x0003); + + mdelay(20); + + e1000_write_phy_reg(hw, 0x0000, 0x0140); + + mdelay(5); + + switch (hw->mac_type) { + case e1000_82541: + case e1000_82547: + e1000_write_phy_reg(hw, 0x1F95, 0x0001); + + e1000_write_phy_reg(hw, 0x1F71, 0xBD21); + + e1000_write_phy_reg(hw, 0x1F79, 0x0018); + + e1000_write_phy_reg(hw, 0x1F30, 0x1600); + + e1000_write_phy_reg(hw, 0x1F31, 0x0014); + + e1000_write_phy_reg(hw, 0x1F32, 0x161C); + + e1000_write_phy_reg(hw, 0x1F94, 0x0003); + + e1000_write_phy_reg(hw, 0x1F96, 0x003F); + + e1000_write_phy_reg(hw, 0x2010, 0x0008); + break; + + case e1000_82541_rev_2: + case e1000_82547_rev_2: + e1000_write_phy_reg(hw, 0x1F73, 0x0099); + break; + default: + break; + } + + e1000_write_phy_reg(hw, 0x0000, 0x3300); + + mdelay(20); + + /* Now enable the transmitter */ + e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data); + + if (hw->mac_type == e1000_82547) { + uint16_t fused, fine, coarse; + + /* Move to analog registers page */ + e1000_read_phy_reg(hw, + IGP01E1000_ANALOG_SPARE_FUSE_STATUS, &fused); + + if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) { + e1000_read_phy_reg(hw, + IGP01E1000_ANALOG_FUSE_STATUS, &fused); + + fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK; + coarse = fused + & IGP01E1000_ANALOG_FUSE_COARSE_MASK; + + if (coarse > + IGP01E1000_ANALOG_FUSE_COARSE_THRESH) { + coarse -= + IGP01E1000_ANALOG_FUSE_COARSE_10; + fine -= IGP01E1000_ANALOG_FUSE_FINE_1; + } else if (coarse + == IGP01E1000_ANALOG_FUSE_COARSE_THRESH) + fine -= IGP01E1000_ANALOG_FUSE_FINE_10; + + fused = (fused + & IGP01E1000_ANALOG_FUSE_POLY_MASK) | + (fine + & IGP01E1000_ANALOG_FUSE_FINE_MASK) | + (coarse + & IGP01E1000_ANALOG_FUSE_COARSE_MASK); + + e1000_write_phy_reg(hw, + IGP01E1000_ANALOG_FUSE_CONTROL, fused); + e1000_write_phy_reg(hw, + IGP01E1000_ANALOG_FUSE_BYPASS, + IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL); + } + } + } } /****************************************************************************** @@ -2475,26 +4471,49 @@ e1000_phy_hw_reset(struct e1000_hw *hw) * * hw - Struct containing variables accessed by shared code * -* Sets bit 15 of the MII Control regiser +* Sets bit 15 of the MII Control register ******************************************************************************/ -static int +int32_t e1000_phy_reset(struct e1000_hw *hw) { + int32_t ret_val; uint16_t phy_data; DEBUGFUNC(); - if (e1000_read_phy_reg(hw, PHY_CTRL, &phy_data) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } - phy_data |= MII_CR_RESET; - if (e1000_write_phy_reg(hw, PHY_CTRL, phy_data) < 0) { - DEBUGOUT("PHY Write Error\n"); - return -E1000_ERR_PHY; + /* In the case of the phy reset being blocked, it's not an error, we + * simply return success without performing the reset. */ + ret_val = e1000_check_phy_reset_block(hw); + if (ret_val) + return E1000_SUCCESS; + + switch (hw->phy_type) { + case e1000_phy_igp: + case e1000_phy_igp_2: + case e1000_phy_igp_3: + case e1000_phy_ife: + ret_val = e1000_phy_hw_reset(hw); + if (ret_val) + return ret_val; + break; + default: + ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= MII_CR_RESET; + ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data); + if (ret_val) + return ret_val; + + udelay(1); + break; } - udelay(1); - return 0; + + if (hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2) + e1000_phy_init_script(hw); + + return E1000_SUCCESS; } static int e1000_set_phy_type (struct e1000_hw *hw) @@ -2508,14 +4527,31 @@ static int e1000_set_phy_type (struct e1000_hw *hw) case M88E1000_E_PHY_ID: case M88E1000_I_PHY_ID: case M88E1011_I_PHY_ID: + case M88E1111_I_PHY_ID: hw->phy_type = e1000_phy_m88; break; case IGP01E1000_I_PHY_ID: if (hw->mac_type == e1000_82541 || - hw->mac_type == e1000_82541_rev_2) { + hw->mac_type == e1000_82541_rev_2 || + hw->mac_type == e1000_82547 || + hw->mac_type == e1000_82547_rev_2) { + hw->phy_type = e1000_phy_igp; hw->phy_type = e1000_phy_igp; break; } + case IGP03E1000_E_PHY_ID: + hw->phy_type = e1000_phy_igp_3; + break; + case IFE_E_PHY_ID: + case IFE_PLUS_E_PHY_ID: + case IFE_C_E_PHY_ID: + hw->phy_type = e1000_phy_ife; + break; + case GG82563_E_PHY_ID: + if (hw->mac_type == e1000_80003es2lan) { + hw->phy_type = e1000_phy_gg82563; + break; + } /* Fall Through */ default: /* Should never have loaded on this device */ @@ -2531,27 +4567,47 @@ static int e1000_set_phy_type (struct e1000_hw *hw) * * hw - Struct containing variables accessed by shared code ******************************************************************************/ -static int +static int32_t e1000_detect_gig_phy(struct e1000_hw *hw) { - int32_t phy_init_status; + int32_t phy_init_status, ret_val; uint16_t phy_id_high, phy_id_low; - int match = FALSE; + boolean_t match = FALSE; DEBUGFUNC(); - /* Read the PHY ID Registers to identify which PHY is onboard. */ - if (e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; + /* The 82571 firmware may still be configuring the PHY. In this + * case, we cannot access the PHY until the configuration is done. So + * we explicitly set the PHY values. */ + if (hw->mac_type == e1000_82571 || + hw->mac_type == e1000_82572) { + hw->phy_id = IGP01E1000_I_PHY_ID; + hw->phy_type = e1000_phy_igp_2; + return E1000_SUCCESS; } + + /* ESB-2 PHY reads require e1000_phy_gg82563 to be set because of a + * work- around that forces PHY page 0 to be set or the reads fail. + * The rest of the code in this routine uses e1000_read_phy_reg to + * read the PHY ID. So for ESB-2 we need to have this set so our + * reads won't fail. If the attached PHY is not a e1000_phy_gg82563, + * the routines below will figure this out as well. */ + if (hw->mac_type == e1000_80003es2lan) + hw->phy_type = e1000_phy_gg82563; + + /* Read the PHY ID Registers to identify which PHY is onboard. */ + ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high); + if (ret_val) + return ret_val; + hw->phy_id = (uint32_t) (phy_id_high << 16); - udelay(2); - if (e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low) < 0) { - DEBUGOUT("PHY Read Error\n"); - return -E1000_ERR_PHY; - } + udelay(20); + ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low); + if (ret_val) + return ret_val; + hw->phy_id |= (uint32_t) (phy_id_low & PHY_REVISION_MASK); + hw->phy_revision = (uint32_t) phy_id_low & ~PHY_REVISION_MASK; switch (hw->mac_type) { case e1000_82543: @@ -2564,15 +4620,38 @@ e1000_detect_gig_phy(struct e1000_hw *hw) break; case e1000_82540: case e1000_82545: + case e1000_82545_rev_3: case e1000_82546: + case e1000_82546_rev_3: if (hw->phy_id == M88E1011_I_PHY_ID) match = TRUE; break; + case e1000_82541: case e1000_82541_rev_2: + case e1000_82547: + case e1000_82547_rev_2: if(hw->phy_id == IGP01E1000_I_PHY_ID) match = TRUE; break; + case e1000_82573: + if (hw->phy_id == M88E1111_I_PHY_ID) + match = TRUE; + break; + case e1000_80003es2lan: + if (hw->phy_id == GG82563_E_PHY_ID) + match = TRUE; + break; + case e1000_ich8lan: + if (hw->phy_id == IGP03E1000_E_PHY_ID) + match = TRUE; + if (hw->phy_id == IFE_E_PHY_ID) + match = TRUE; + if (hw->phy_id == IFE_PLUS_E_PHY_ID) + match = TRUE; + if (hw->phy_id == IFE_C_E_PHY_ID) + match = TRUE; + break; default: DEBUGOUT("Invalid MAC type %d\n", hw->mac_type); return -E1000_ERR_CONFIG; @@ -2588,6 +4667,60 @@ e1000_detect_gig_phy(struct e1000_hw *hw) return -E1000_ERR_PHY; } +/***************************************************************************** + * Set media type and TBI compatibility. + * + * hw - Struct containing variables accessed by shared code + * **************************************************************************/ +void +e1000_set_media_type(struct e1000_hw *hw) +{ + uint32_t status; + + DEBUGFUNC(); + + if (hw->mac_type != e1000_82543) { + /* tbi_compatibility is only valid on 82543 */ + hw->tbi_compatibility_en = FALSE; + } + + switch (hw->device_id) { + case E1000_DEV_ID_82545GM_SERDES: + case E1000_DEV_ID_82546GB_SERDES: + case E1000_DEV_ID_82571EB_SERDES: + case E1000_DEV_ID_82571EB_SERDES_DUAL: + case E1000_DEV_ID_82571EB_SERDES_QUAD: + case E1000_DEV_ID_82572EI_SERDES: + case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: + hw->media_type = e1000_media_type_internal_serdes; + break; + default: + switch (hw->mac_type) { + case e1000_82542_rev2_0: + case e1000_82542_rev2_1: + hw->media_type = e1000_media_type_fiber; + break; + case e1000_ich8lan: + case e1000_82573: + /* The STATUS_TBIMODE bit is reserved or reused + * for the this device. + */ + hw->media_type = e1000_media_type_copper; + break; + default: + status = E1000_READ_REG(hw, STATUS); + if (status & E1000_STATUS_TBIMODE) { + hw->media_type = e1000_media_type_fiber; + /* tbi_compatibility not valid on fiber */ + hw->tbi_compatibility_en = FALSE; + } else { + hw->media_type = e1000_media_type_copper; + } + break; + } + } +} + /** * e1000_sw_init - Initialize general software structures (struct e1000_adapter) * @@ -2619,6 +4752,17 @@ e1000_sw_init(struct eth_device *nic, int cardnum) return result; } + switch (hw->mac_type) { + default: + break; + case e1000_82541: + case e1000_82547: + case e1000_82541_rev_2: + case e1000_82547_rev_2: + hw->phy_init_script = 1; + break; + } + /* lan a vs. lan b settings */ if (hw->mac_type == e1000_82546) /*this also works w/ multiple 82546 cards */ @@ -2634,6 +4778,7 @@ e1000_sw_init(struct eth_device *nic, int cardnum) hw->fc_send_xon = 1; /* Media type - copper or fiber */ + e1000_set_media_type(hw); if (hw->mac_type >= e1000_82543) { uint32_t status = E1000_READ_REG(hw, STATUS); @@ -2649,22 +4794,13 @@ e1000_sw_init(struct eth_device *nic, int cardnum) hw->media_type = e1000_media_type_fiber; } + hw->tbi_compatibility_en = TRUE; + hw->wait_autoneg_complete = TRUE; if (hw->mac_type < e1000_82543) hw->report_tx_early = 0; else hw->report_tx_early = 1; - hw->tbi_compatibility_en = TRUE; -#if 0 - hw->wait_autoneg_complete = FALSE; - hw->adaptive_ifs = TRUE; - - /* Copper options */ - if (hw->media_type == e1000_media_type_copper) { - hw->mdix = AUTO_ALL_MODES; - hw->disable_polarity_correction = FALSE; - } -#endif return E1000_SUCCESS; } @@ -2693,7 +4829,8 @@ e1000_configure_tx(struct e1000_hw *hw) { unsigned long ptr; unsigned long tctl; - unsigned long tipg; + unsigned long tipg, tarc; + uint32_t ipgr1, ipgr2; ptr = (u32) tx_pool; if (ptr & 0xf) @@ -2712,45 +4849,64 @@ e1000_configure_tx(struct e1000_hw *hw) tx_tail = 0; /* Set the default values for the Tx Inter Packet Gap timer */ + if (hw->mac_type <= e1000_82547_rev_2 && + (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes)) + tipg = DEFAULT_82543_TIPG_IPGT_FIBER; + else + tipg = DEFAULT_82543_TIPG_IPGT_COPPER; + + /* Set the default values for the Tx Inter Packet Gap timer */ switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: tipg = DEFAULT_82542_TIPG_IPGT; - tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + ipgr1 = DEFAULT_82542_TIPG_IPGR1; + ipgr2 = DEFAULT_82542_TIPG_IPGR2; + break; + case e1000_80003es2lan: + ipgr1 = DEFAULT_82543_TIPG_IPGR1; + ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; break; default: - if (hw->media_type == e1000_media_type_fiber) - tipg = DEFAULT_82543_TIPG_IPGT_FIBER; - else - tipg = DEFAULT_82543_TIPG_IPGT_COPPER; - tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + ipgr1 = DEFAULT_82543_TIPG_IPGR1; + ipgr2 = DEFAULT_82543_TIPG_IPGR2; + break; } + tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT; + tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT; E1000_WRITE_REG(hw, TIPG, tipg); -#if 0 - /* Set the Tx Interrupt Delay register */ - E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay); - if (hw->mac_type >= e1000_82540) - E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay); -#endif /* Program the Transmit Control Register */ tctl = E1000_READ_REG(hw, TCTL); tctl &= ~E1000_TCTL_CT; tctl |= E1000_TCTL_EN | E1000_TCTL_PSP | (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT); - E1000_WRITE_REG(hw, TCTL, tctl); + + if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { + tarc = E1000_READ_REG(hw, TARC0); + /* set the speed mode bit, we'll clear it if we're not at + * gigabit link later */ + /* git bit can be set to 1*/ + } else if (hw->mac_type == e1000_80003es2lan) { + tarc = E1000_READ_REG(hw, TARC0); + tarc |= 1; + E1000_WRITE_REG(hw, TARC0, tarc); + tarc = E1000_READ_REG(hw, TARC1); + tarc |= 1; + E1000_WRITE_REG(hw, TARC1, tarc); + } + e1000_config_collision_dist(hw); -#if 0 - /* Setup Transmit Descriptor Settings for this adapter */ - adapter->txd_cmd = E1000_TXD_CMD_IFCS | E1000_TXD_CMD_IDE; + /* Setup Transmit Descriptor Settings for eop descriptor */ + hw->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS; - if (adapter->hw.report_tx_early == 1) - adapter->txd_cmd |= E1000_TXD_CMD_RS; + /* Need to set up RS bit */ + if (hw->mac_type < e1000_82543) + hw->txd_cmd |= E1000_TXD_CMD_RPS; else - adapter->txd_cmd |= E1000_TXD_CMD_RPS; -#endif + hw->txd_cmd |= E1000_TXD_CMD_RS; + E1000_WRITE_REG(hw, TCTL, tctl); } /** @@ -2766,8 +4922,9 @@ e1000_setup_rctl(struct e1000_hw *hw) rctl &= ~(3 << E1000_RCTL_MO_SHIFT); - rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF; /* | - (hw.mc_filter_type << E1000_RCTL_MO_SHIFT); */ + rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO + | E1000_RCTL_RDMTS_HALF; /* | + (hw.mc_filter_type << E1000_RCTL_MO_SHIFT); */ if (hw->tbi_compatibility_on == 1) rctl |= E1000_RCTL_SBP; @@ -2775,26 +4932,8 @@ e1000_setup_rctl(struct e1000_hw *hw) rctl &= ~E1000_RCTL_SBP; rctl &= ~(E1000_RCTL_SZ_4096); -#if 0 - switch (adapter->rx_buffer_len) { - case E1000_RXBUFFER_2048: - default: -#endif rctl |= E1000_RCTL_SZ_2048; rctl &= ~(E1000_RCTL_BSEX | E1000_RCTL_LPE); -#if 0 - break; - case E1000_RXBUFFER_4096: - rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - case E1000_RXBUFFER_8192: - rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - case E1000_RXBUFFER_16384: - rctl |= E1000_RCTL_SZ_16384 | E1000_RCTL_BSEX | E1000_RCTL_LPE; - break; - } -#endif E1000_WRITE_REG(hw, RCTL, rctl); } @@ -2808,23 +4947,12 @@ static void e1000_configure_rx(struct e1000_hw *hw) { unsigned long ptr; - unsigned long rctl; -#if 0 - unsigned long rxcsum; -#endif + unsigned long rctl, ctrl_ext; rx_tail = 0; /* make sure receives are disabled while setting up the descriptors */ rctl = E1000_READ_REG(hw, RCTL); E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); -#if 0 - /* set the Receive Delay Timer Register */ - - E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay); -#endif if (hw->mac_type >= e1000_82540) { -#if 0 - E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay); -#endif /* Set the interrupt throttling rate. Value is calculated * as DEFAULT_ITR = 1/(MAX_INTS_PER_SEC * 256ns) */ #define MAX_INTS_PER_SEC 8000 @@ -2832,6 +4960,13 @@ e1000_configure_rx(struct e1000_hw *hw) E1000_WRITE_REG(hw, ITR, DEFAULT_ITR); } + if (hw->mac_type >= e1000_82571) { + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + /* Reset delay timers after every interrupt */ + ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } /* Setup the Base and Length of the Rx Descriptor Ring */ ptr = (u32) rx_pool; if (ptr & 0xf) @@ -2845,14 +4980,6 @@ e1000_configure_rx(struct e1000_hw *hw) /* Setup the HW Rx Head and Tail Descriptor Pointers */ E1000_WRITE_REG(hw, RDH, 0); E1000_WRITE_REG(hw, RDT, 0); -#if 0 - /* Enable 82543 Receive Checksum Offload for TCP and UDP */ - if ((adapter->hw.mac_type >= e1000_82543) && (adapter->rx_csum == TRUE)) { - rxcsum = E1000_READ_REG(hw, RXCSUM); - rxcsum |= E1000_RXCSUM_TUOFL; - E1000_WRITE_REG(hw, RXCSUM, rxcsum); - } -#endif /* Enable Receives */ E1000_WRITE_REG(hw, RCTL, rctl); @@ -2891,11 +5018,11 @@ e1000_transmit(struct eth_device *nic, volatile void *packet, int length) tx_tail = (tx_tail + 1) % 8; txp->buffer_addr = cpu_to_le64(virt_to_bus(packet)); - txp->lower.data = cpu_to_le32(E1000_TXD_CMD_RPS | E1000_TXD_CMD_EOP | - E1000_TXD_CMD_IFCS | length); + txp->lower.data = cpu_to_le32(hw->txd_cmd | length); txp->upper.data = 0; E1000_WRITE_REG(hw, TDT, tx_tail); + E1000_WRITE_FLUSH(hw); while (!(le32_to_cpu(txp->upper.data) & E1000_TXD_STAT_DD)) { if (i++ > TOUT_LOOP) { DEBUGOUT("e1000: tx timeout\n"); @@ -2972,6 +5099,37 @@ e1000_init(struct eth_device *nic, bd_t * bis) return 1; } +/****************************************************************************** + * Gets the current PCI bus type of hardware + * + * hw - Struct containing variables accessed by shared code + *****************************************************************************/ +void e1000_get_bus_type(struct e1000_hw *hw) +{ + uint32_t status; + + switch (hw->mac_type) { + case e1000_82542_rev2_0: + case e1000_82542_rev2_1: + hw->bus_type = e1000_bus_type_pci; + break; + case e1000_82571: + case e1000_82572: + case e1000_82573: + case e1000_80003es2lan: + hw->bus_type = e1000_bus_type_pci_express; + break; + case e1000_ich8lan: + hw->bus_type = e1000_bus_type_pci_express; + break; + default: + status = E1000_READ_REG(hw, STATUS); + hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ? + e1000_bus_type_pcix : e1000_bus_type_pci; + break; + } +} + /************************************************************************** PROBE - Look for an adapter, this routine's visible to the outside You should omit the last argument struct pci_device * for a non-PCI NIC @@ -3017,14 +5175,10 @@ e1000_initialize(bd_t * bis) sprintf(nic->name, "e1000#%d", card_number); /* Are these variables needed? */ -#if 0 - hw->fc = e1000_fc_none; - hw->original_fc = e1000_fc_none; -#else hw->fc = e1000_fc_default; hw->original_fc = e1000_fc_default; -#endif hw->autoneg_failed = 0; + hw->autoneg = 1; hw->get_link_status = TRUE; hw->hw_addr = (typeof(hw->hw_addr)) iobase; hw->mac_type = e1000_undefined; @@ -3035,7 +5189,16 @@ e1000_initialize(bd_t * bis) free(nic); return 0; } + if (e1000_check_phy_reset_block(hw)) + printf("phy reset block error \n"); + e1000_reset_hw(hw); #if !(defined(CONFIG_AP1000) || defined(CONFIG_MVBC_1G)) + if (e1000_init_eeprom_params(hw)) { + printf("The EEPROM Checksum Is Not Valid\n"); + free(hw); + free(nic); + return 0; + } if (e1000_validate_eeprom_checksum(nic) < 0) { printf("The EEPROM Checksum Is Not Valid\n"); free(hw); @@ -3045,7 +5208,8 @@ e1000_initialize(bd_t * bis) #endif e1000_read_mac_addr(nic); - E1000_WRITE_REG(hw, PBA, E1000_DEFAULT_PBA); + /* get the bus type information */ + e1000_get_bus_type(hw); printf("e1000: %02x:%02x:%02x:%02x:%02x:%02x\n", nic->enetaddr[0], nic->enetaddr[1], nic->enetaddr[2], |