1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
35  *  e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
40 	struct e1000_phy_info *phy = &hw->phy;  in e1000_init_phy_params_80003es2lan()
43 	if (hw->phy.media_type != e1000_media_type_copper) {  in e1000_init_phy_params_80003es2lan()
44 		phy->type = e1000_phy_none;  in e1000_init_phy_params_80003es2lan()
47 		phy->ops.power_up = e1000_power_up_phy_copper;  in e1000_init_phy_params_80003es2lan()
48 		phy->ops.power_down = e1000_power_down_phy_copper_80003es2lan;  in e1000_init_phy_params_80003es2lan()
51 	phy->addr = 1;  in e1000_init_phy_params_80003es2lan()
52 	phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;  in e1000_init_phy_params_80003es2lan()
53 	phy->reset_delay_us = 100;  in e1000_init_phy_params_80003es2lan()
54 	phy->type = e1000_phy_gg82563;  in e1000_init_phy_params_80003es2lan()
60 	if (phy->id != GG82563_E_PHY_ID)  in e1000_init_phy_params_80003es2lan()
61 		return -E1000_ERR_PHY;  in e1000_init_phy_params_80003es2lan()
67  *  e1000_init_nvm_params_80003es2lan - Init ESB2 NVM func ptrs.
72 	struct e1000_nvm_info *nvm = &hw->nvm;  in e1000_init_nvm_params_80003es2lan()
76 	nvm->opcode_bits = 8;  in e1000_init_nvm_params_80003es2lan()
77 	nvm->delay_usec = 1;  in e1000_init_nvm_params_80003es2lan()
78 	switch (nvm->override) {  in e1000_init_nvm_params_80003es2lan()
80 		nvm->page_size = 32;  in e1000_init_nvm_params_80003es2lan()
81 		nvm->address_bits = 16;  in e1000_init_nvm_params_80003es2lan()
84 		nvm->page_size = 8;  in e1000_init_nvm_params_80003es2lan()
85 		nvm->address_bits = 8;  in e1000_init_nvm_params_80003es2lan()
88 		nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;  in e1000_init_nvm_params_80003es2lan()
89 		nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;  in e1000_init_nvm_params_80003es2lan()
93 	nvm->type = e1000_nvm_eeprom_spi;  in e1000_init_nvm_params_80003es2lan()
97 	/* Added to a constant, "size" becomes the left-shift value  in e1000_init_nvm_params_80003es2lan()
105 	nvm->word_size = BIT(size);  in e1000_init_nvm_params_80003es2lan()
111  *  e1000_init_mac_params_80003es2lan - Init ESB2 MAC func ptrs.
116 	struct e1000_mac_info *mac = &hw->mac;  in e1000_init_mac_params_80003es2lan()
118 	/* Set media type and media-dependent function pointers */  in e1000_init_mac_params_80003es2lan()
119 	switch (hw->adapter->pdev->device) {  in e1000_init_mac_params_80003es2lan()
121 		hw->phy.media_type = e1000_media_type_internal_serdes;  in e1000_init_mac_params_80003es2lan()
122 		mac->ops.check_for_link = e1000e_check_for_serdes_link;  in e1000_init_mac_params_80003es2lan()
123 		mac->ops.setup_physical_interface =  in e1000_init_mac_params_80003es2lan()
127 		hw->phy.media_type = e1000_media_type_copper;  in e1000_init_mac_params_80003es2lan()
128 		mac->ops.check_for_link = e1000e_check_for_copper_link;  in e1000_init_mac_params_80003es2lan()
129 		mac->ops.setup_physical_interface =  in e1000_init_mac_params_80003es2lan()
135 	mac->mta_reg_count = 128;  in e1000_init_mac_params_80003es2lan()
137 	mac->rar_entry_count = E1000_RAR_ENTRIES;  in e1000_init_mac_params_80003es2lan()
139 	mac->has_fwsm = true;  in e1000_init_mac_params_80003es2lan()
141 	mac->arc_subsystem_valid = !!(er32(FWSM) & E1000_FWSM_MODE_MASK);  in e1000_init_mac_params_80003es2lan()
143 	mac->adaptive_ifs = false;  in e1000_init_mac_params_80003es2lan()
146 	hw->mac.ops.set_lan_id(hw);  in e1000_init_mac_params_80003es2lan()
153 	struct e1000_hw *hw = &adapter->hw;  in e1000_get_variants_80003es2lan()
172  *  e1000_acquire_phy_80003es2lan - Acquire rights to access PHY
181 	mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;  in e1000_acquire_phy_80003es2lan()
186  *  e1000_release_phy_80003es2lan - Release rights to access PHY
195 	mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;  in e1000_release_phy_80003es2lan()
200  *  e1000_acquire_mac_csr_80003es2lan - Acquire right to access Kumeran register
216  *  e1000_release_mac_csr_80003es2lan - Release right to access Kumeran Register
231  *  e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
253  *  e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
265  *  e1000_acquire_swfw_sync_80003es2lan - Acquire SW/FW semaphore
282 			return -E1000_ERR_SWFW_SYNC;  in e1000_acquire_swfw_sync_80003es2lan()
298 		return -E1000_ERR_SWFW_SYNC;  in e1000_acquire_swfw_sync_80003es2lan()
310  *  e1000_release_swfw_sync_80003es2lan - Release SW/FW semaphore
332  *  e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register
367 	if (hw->dev_spec.e80003es2lan.mdic_wa_enable) {  in e1000_read_phy_reg_gg82563_80003es2lan()
379 			return -E1000_ERR_PHY;  in e1000_read_phy_reg_gg82563_80003es2lan()
401  *  e1000_write_phy_reg_gg82563_80003es2lan - Write GG82563 PHY register
436 	if (hw->dev_spec.e80003es2lan.mdic_wa_enable) {  in e1000_write_phy_reg_gg82563_80003es2lan()
448 			return -E1000_ERR_PHY;  in e1000_write_phy_reg_gg82563_80003es2lan()
470  *  e1000_write_nvm_80003es2lan - Write to ESB2 NVM
485  *  e1000_get_cfg_done_80003es2lan - Wait for configuration to complete
496 	if (hw->bus.func == 1)  in e1000_get_cfg_done_80003es2lan()
503 		timeout--;  in e1000_get_cfg_done_80003es2lan()
507 		return -E1000_ERR_RESET;  in e1000_get_cfg_done_80003es2lan()
514  *  e1000_phy_force_speed_duplex_80003es2lan - Force PHY speed and duplex
526 	/* Clear Auto-Crossover to force MDI manually.  M88E1000 requires MDI  in e1000_phy_force_speed_duplex_80003es2lan()
555 	if (hw->phy.autoneg_wait_to_complete) {  in e1000_phy_force_speed_duplex_80003es2lan()
565 			 * Reset the DSP and cross our fingers.  in e1000_phy_force_speed_duplex_80003es2lan()
584 	 * to the link speed.  10Mbps -> 2.5MHz, else 25MHz.  in e1000_phy_force_speed_duplex_80003es2lan()
587 	if (hw->mac.forced_speed_duplex & E1000_ALL_10_SPEED)  in e1000_phy_force_speed_duplex_80003es2lan()
592 	/* In addition, we must re-enable CRS on Tx for both half and full  in e1000_phy_force_speed_duplex_80003es2lan()
602  *  e1000_get_cable_length_80003es2lan - Set approximate cable length
610 	struct e1000_phy_info *phy = &hw->phy;  in e1000_get_cable_length_80003es2lan()
620 	if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5)  in e1000_get_cable_length_80003es2lan()
621 		return -E1000_ERR_PHY;  in e1000_get_cable_length_80003es2lan()
623 	phy->min_cable_length = e1000_gg82563_cable_length_table[index];  in e1000_get_cable_length_80003es2lan()
624 	phy->max_cable_length = e1000_gg82563_cable_length_table[index + 5];  in e1000_get_cable_length_80003es2lan()
626 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;  in e1000_get_cable_length_80003es2lan()
632  *  e1000_get_link_up_info_80003es2lan - Report speed and duplex
644 	if (hw->phy.media_type == e1000_media_type_copper) {  in e1000_get_link_up_info_80003es2lan()
646 		hw->phy.ops.cfg_on_link_up(hw);  in e1000_get_link_up_info_80003es2lan()
657  *  e1000_reset_hw_80003es2lan - Reset the ESB2 controller
668 	/* Prevent the PCI-E bus from sticking if there is no TLP connection  in e1000_reset_hw_80003es2lan()
673 		e_dbg("PCI-E Master disable polling has failed.\n");  in e1000_reset_hw_80003es2lan()
694 	/* Disable IBIST slave mode (far-end loopback) */  in e1000_reset_hw_80003es2lan()
704 			e_dbg("Error disabling far-end loopback\n");  in e1000_reset_hw_80003es2lan()
706 		e_dbg("Error disabling far-end loopback\n");  in e1000_reset_hw_80003es2lan()
722  *  e1000_init_hw_80003es2lan - Initialize the ESB2 controller
729 	struct e1000_mac_info *mac = &hw->mac;  in e1000_init_hw_80003es2lan()
738 	ret_val = mac->ops.id_led_init(hw);  in e1000_init_hw_80003es2lan()
745 	mac->ops.clear_vfta(hw);  in e1000_init_hw_80003es2lan()
748 	e1000e_init_rx_addrs(hw, mac->rar_entry_count);  in e1000_init_hw_80003es2lan()
752 	for (i = 0; i < mac->mta_reg_count; i++)  in e1000_init_hw_80003es2lan()
756 	ret_val = mac->ops.setup_link(hw);  in e1000_init_hw_80003es2lan()
760 	/* Disable IBIST slave mode (far-end loopback) */  in e1000_init_hw_80003es2lan()
770 			e_dbg("Error disabling far-end loopback\n");  in e1000_init_hw_80003es2lan()
772 		e_dbg("Error disabling far-end loopback\n");  in e1000_init_hw_80003es2lan()
775 	/* Set the transmit descriptor write-back policy */  in e1000_init_hw_80003es2lan()
798 	/* Configure Transmit Inter-Packet Gap */  in e1000_init_hw_80003es2lan()
809 	hw->dev_spec.e80003es2lan.mdic_wa_enable = true;  in e1000_init_hw_80003es2lan()
817 			hw->dev_spec.e80003es2lan.mdic_wa_enable = false;  in e1000_init_hw_80003es2lan()
831  *  e1000_initialize_hw_bits_80003es2lan - Init hw bits of ESB2
834  *  Initializes required hardware-dependent bits needed for normal operation.
853 	if (hw->phy.media_type != e1000_media_type_copper)  in e1000_initialize_hw_bits_80003es2lan()
874  *  e1000_copper_link_setup_gg82563_80003es2lan - Configure GG82563 Link
881 	struct e1000_phy_info *phy = &hw->phy;  in e1000_copper_link_setup_gg82563_80003es2lan()
891 	/* Use 25MHz for both link down and 1000Base-T for Tx clock. */  in e1000_copper_link_setup_gg82563_80003es2lan()
899 	 *   MDI/MDI-X = 0 (default)  in e1000_copper_link_setup_gg82563_80003es2lan()
900 	 *   0 - Auto for all speeds  in e1000_copper_link_setup_gg82563_80003es2lan()
901 	 *   1 - MDI mode  in e1000_copper_link_setup_gg82563_80003es2lan()
902 	 *   2 - MDI-X mode  in e1000_copper_link_setup_gg82563_80003es2lan()
903 	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)  in e1000_copper_link_setup_gg82563_80003es2lan()
911 	switch (phy->mdix) {  in e1000_copper_link_setup_gg82563_80003es2lan()
927 	 *   0 - Disabled  in e1000_copper_link_setup_gg82563_80003es2lan()
928 	 *   1 - Enabled  in e1000_copper_link_setup_gg82563_80003es2lan()
931 	if (phy->disable_polarity_correction)  in e1000_copper_link_setup_gg82563_80003es2lan()
939 	ret_val = hw->phy.ops.commit(hw);  in e1000_copper_link_setup_gg82563_80003es2lan()
983 	if (!hw->mac.ops.check_mng_mode(hw)) {  in e1000_copper_link_setup_gg82563_80003es2lan()
1016  *  e1000_setup_copper_link_80003es2lan - Setup Copper Link for ESB2
1034 	 * iteration and increase the max iterations when  in e1000_setup_copper_link_80003es2lan()
1073  *  e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
1085 	if (hw->phy.media_type == e1000_media_type_copper) {  in e1000_cfg_on_link_up_80003es2lan()
1101  *  e1000_cfg_kmrn_10_100_80003es2lan - Apply "quirks" for 10/100 operation
1123 	/* Configure Transmit Inter-Packet Gap */  in e1000_cfg_kmrn_10_100_80003es2lan()
1149  *  e1000_cfg_kmrn_1000_80003es2lan - Apply "quirks" for gigabit operation
1170 	/* Configure Transmit Inter-Packet Gap */  in e1000_cfg_kmrn_1000_80003es2lan()
1193  *  e1000_read_kmrn_reg_80003es2lan - Read kumeran register
1228  *  e1000_write_kmrn_reg_80003es2lan - Write kumeran register
1259  *  e1000_read_mac_addr_80003es2lan - Read device MAC address
1278  * e1000_power_down_phy_copper_80003es2lan - Remove link during PHY power down
1287 	if (!(hw->mac.ops.check_mng_mode(hw) ||  in e1000_power_down_phy_copper_80003es2lan()
1288 	      hw->phy.ops.check_reset_block(hw)))  in e1000_power_down_phy_copper_80003es2lan()
1293  *  e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters