igb: Add Support for new i210/i211 devices.

This patch adds new initialization functions and device support
for i210 and i211 devices.
Signed-off-by: NCarolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igb/Makefile

@@ -33,6 +33,7 @@
 obj-$(CONFIG_IGB) += igb.o
 
 igb-objs := igb_main.o igb_ethtool.o e1000_82575.o \
-	    e1000_mac.o e1000_nvm.o e1000_phy.o e1000_mbx.o
+	    e1000_mac.o e1000_nvm.o e1000_phy.o e1000_mbx.o \
+	    e1000_i210.o
 
 igb-$(CONFIG_IGB_PTP) += igb_ptp.o

drivers/net/ethernet/intel/igb/e1000_82575.c

@@ -36,6 +36,7 @@
 
 #include "e1000_mac.h"
 #include "e1000_82575.h"
+#include "e1000_i210.h"
 
 static s32  igb_get_invariants_82575(struct e1000_hw *);
 static s32  igb_acquire_phy_82575(struct e1000_hw *);
@@ -98,6 +99,8 @@ static bool igb_sgmii_uses_mdio_82575(struct e1000_hw *hw)
 		break;
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		reg = rd32(E1000_MDICNFG);
 		ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO);
 		break;
@@ -152,6 +155,17 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_I350_SGMII:
 		mac->type = e1000_i350;
 		break;
+	case E1000_DEV_ID_I210_COPPER:
+	case E1000_DEV_ID_I210_COPPER_OEM1:
+	case E1000_DEV_ID_I210_COPPER_IT:
+	case E1000_DEV_ID_I210_FIBER:
+	case E1000_DEV_ID_I210_SERDES:
+	case E1000_DEV_ID_I210_SGMII:
+		mac->type = e1000_i210;
+		break;
+	case E1000_DEV_ID_I211_COPPER:
+		mac->type = e1000_i211;
+		break;
 	default:
 		return -E1000_ERR_MAC_INIT;
 		break;
@@ -184,26 +198,44 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	/* Set mta register count */
 	mac->mta_reg_count = 128;
 	/* Set rar entry count */
-	mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
-	if (mac->type == e1000_82576)
+	switch (mac->type) {
+	case e1000_82576:
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
-	if (mac->type == e1000_82580)
+		break;
+	case e1000_82580:
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
-	if (mac->type == e1000_i350)
+		break;
+	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
+		break;
+	default:
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
+		break;
+	}
 	/* reset */
 	if (mac->type >= e1000_82580)
 		mac->ops.reset_hw = igb_reset_hw_82580;
 	else
 		mac->ops.reset_hw = igb_reset_hw_82575;
+
+	if (mac->type >= e1000_i210) {
+		mac->ops.acquire_swfw_sync = igb_acquire_swfw_sync_i210;
+		mac->ops.release_swfw_sync = igb_release_swfw_sync_i210;
+	} else {
+		mac->ops.acquire_swfw_sync = igb_acquire_swfw_sync_82575;
+		mac->ops.release_swfw_sync = igb_release_swfw_sync_82575;
+	}
+
 	/* Set if part includes ASF firmware */
 	mac->asf_firmware_present = true;
 	/* Set if manageability features are enabled. */
 	mac->arc_subsystem_valid =
 		(rd32(E1000_FWSM) & E1000_FWSM_MODE_MASK)
 			? true : false;
-	/* enable EEE on i350 parts */
-	if (mac->type == e1000_i350)
+	/* enable EEE on i350 parts and later parts */
+	if (mac->type >= e1000_i350)
 		dev_spec->eee_disable = false;
 	else
 		dev_spec->eee_disable = true;
@@ -215,26 +247,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 
 	/* NVM initialization */
 	eecd = rd32(E1000_EECD);
-
-	nvm->opcode_bits        = 8;
-	nvm->delay_usec         = 1;
-	switch (nvm->override) {
-	case e1000_nvm_override_spi_large:
-		nvm->page_size    = 32;
-		nvm->address_bits = 16;
-		break;
-	case e1000_nvm_override_spi_small:
-		nvm->page_size    = 8;
-		nvm->address_bits = 8;
-		break;
-	default:
-		nvm->page_size    = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
-		nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
-		break;
-	}
-
-	nvm->type = e1000_nvm_eeprom_spi;
-
 	size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
 		     E1000_EECD_SIZE_EX_SHIFT);
 
@@ -244,6 +256,33 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	 */
 	size += NVM_WORD_SIZE_BASE_SHIFT;
 
+	nvm->word_size = 1 << size;
+	if (hw->mac.type < e1000_i210) {
+		nvm->opcode_bits        = 8;
+		nvm->delay_usec         = 1;
+		switch (nvm->override) {
+		case e1000_nvm_override_spi_large:
+			nvm->page_size    = 32;
+			nvm->address_bits = 16;
+			break;
+		case e1000_nvm_override_spi_small:
+			nvm->page_size    = 8;
+			nvm->address_bits = 8;
+			break;
+		default:
+			nvm->page_size    = eecd
+				& E1000_EECD_ADDR_BITS ? 32 : 8;
+			nvm->address_bits = eecd
+				& E1000_EECD_ADDR_BITS ? 16 : 8;
+			break;
+		}
+		if (nvm->word_size == (1 << 15))
+			nvm->page_size = 128;
+
+		nvm->type = e1000_nvm_eeprom_spi;
+	} else
+		nvm->type = e1000_nvm_flash_hw;
+
 	/*
 	 * Check for invalid size
 	 */
@@ -251,32 +290,60 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		pr_notice("The NVM size is not valid, defaulting to 32K\n");
 		size = 15;
 	}
-	nvm->word_size = 1 << size;
-	if (nvm->word_size == (1 << 15))
-		nvm->page_size = 128;
 
 	/* NVM Function Pointers */
-	nvm->ops.acquire = igb_acquire_nvm_82575;
-	if (nvm->word_size < (1 << 15))
-		nvm->ops.read = igb_read_nvm_eerd;
-	else
-		nvm->ops.read = igb_read_nvm_spi;
-
-	nvm->ops.release = igb_release_nvm_82575;
 	switch (hw->mac.type) {
 	case e1000_82580:
 		nvm->ops.validate = igb_validate_nvm_checksum_82580;
 		nvm->ops.update = igb_update_nvm_checksum_82580;
+		nvm->ops.acquire = igb_acquire_nvm_82575;
+		nvm->ops.release = igb_release_nvm_82575;
+		if (nvm->word_size < (1 << 15))
+			nvm->ops.read = igb_read_nvm_eerd;
+		else
+			nvm->ops.read = igb_read_nvm_spi;
+		nvm->ops.write = igb_write_nvm_spi;
 		break;
 	case e1000_i350:
 		nvm->ops.validate = igb_validate_nvm_checksum_i350;
 		nvm->ops.update = igb_update_nvm_checksum_i350;
+		nvm->ops.acquire = igb_acquire_nvm_82575;
+		nvm->ops.release = igb_release_nvm_82575;
+		if (nvm->word_size < (1 << 15))
+			nvm->ops.read = igb_read_nvm_eerd;
+		else
+			nvm->ops.read = igb_read_nvm_spi;
+		nvm->ops.write = igb_write_nvm_spi;
+		break;
+	case e1000_i210:
+		nvm->ops.validate = igb_validate_nvm_checksum_i210;
+		nvm->ops.update   = igb_update_nvm_checksum_i210;
+		nvm->ops.acquire = igb_acquire_nvm_i210;
+		nvm->ops.release = igb_release_nvm_i210;
+		nvm->ops.read    = igb_read_nvm_srrd_i210;
+		nvm->ops.valid_led_default = igb_valid_led_default_i210;
+		break;
+	case e1000_i211:
+		nvm->ops.acquire  = igb_acquire_nvm_i210;
+		nvm->ops.release  = igb_release_nvm_i210;
+		nvm->ops.read     = igb_read_nvm_i211;
+		nvm->ops.valid_led_default = igb_valid_led_default_i210;
+		nvm->ops.validate = NULL;
+		nvm->ops.update   = NULL;
+		nvm->ops.write    = NULL;
 		break;
 	default:
 		nvm->ops.validate = igb_validate_nvm_checksum;
 		nvm->ops.update = igb_update_nvm_checksum;
+		nvm->ops.acquire = igb_acquire_nvm_82575;
+		nvm->ops.release = igb_release_nvm_82575;
+		if (nvm->word_size < (1 << 15))
+			nvm->ops.read = igb_read_nvm_eerd;
+		else
+			nvm->ops.read = igb_read_nvm_spi;
+		nvm->ops.write = igb_write_nvm_spi;
+		break;
 	}
-	nvm->ops.write = igb_write_nvm_spi;
 
 	/* if part supports SR-IOV then initialize mailbox parameters */
 	switch (mac->type) {
@@ -314,9 +381,13 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	if (igb_sgmii_active_82575(hw) && !igb_sgmii_uses_mdio_82575(hw)) {
 		phy->ops.read_reg   = igb_read_phy_reg_sgmii_82575;
 		phy->ops.write_reg  = igb_write_phy_reg_sgmii_82575;
-	} else if (hw->mac.type >= e1000_82580) {
+	} else if ((hw->mac.type == e1000_82580)
+		|| (hw->mac.type == e1000_i350)) {
 		phy->ops.read_reg   = igb_read_phy_reg_82580;
 		phy->ops.write_reg  = igb_write_phy_reg_82580;
+	} else if (hw->phy.type >= e1000_phy_i210) {
+		phy->ops.read_reg   = igb_read_phy_reg_gs40g;
+		phy->ops.write_reg  = igb_write_phy_reg_gs40g;
 	} else {
 		phy->ops.read_reg   = igb_read_phy_reg_igp;
 		phy->ops.write_reg  = igb_write_phy_reg_igp;
@@ -345,6 +416,14 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		else
 			phy->ops.get_cable_length = igb_get_cable_length_m88;
 
+		if (phy->id == I210_I_PHY_ID) {
+			phy->ops.get_cable_length =
+					 igb_get_cable_length_m88_gen2;
+			phy->ops.set_d0_lplu_state =
+					igb_set_d0_lplu_state_82580;
+			phy->ops.set_d3_lplu_state =
+					igb_set_d3_lplu_state_82580;
+		}
 		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
 		break;
 	case IGP03E1000_E_PHY_ID:
@@ -364,6 +443,15 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		phy->ops.set_d0_lplu_state  = igb_set_d0_lplu_state_82580;
 		phy->ops.set_d3_lplu_state  = igb_set_d3_lplu_state_82580;
 		break;
+	case I210_I_PHY_ID:
+		phy->type                   = e1000_phy_i210;
+		phy->ops.get_phy_info       = igb_get_phy_info_m88;
+		phy->ops.check_polarity     = igb_check_polarity_m88;
+		phy->ops.get_cable_length   = igb_get_cable_length_m88_gen2;
+		phy->ops.set_d0_lplu_state  = igb_set_d0_lplu_state_82580;
+		phy->ops.set_d3_lplu_state  = igb_set_d3_lplu_state_82580;
+		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
+		break;
 	default:
 		return -E1000_ERR_PHY;
 	}
@@ -389,7 +477,7 @@ static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
 	else if (hw->bus.func == E1000_FUNC_3)
 		mask = E1000_SWFW_PHY3_SM;
 
-	return igb_acquire_swfw_sync_82575(hw, mask);
+	return hw->mac.ops.acquire_swfw_sync(hw, mask);
 }
 
 /**
@@ -410,7 +498,7 @@ static void igb_release_phy_82575(struct e1000_hw *hw)
 	else if (hw->bus.func == E1000_FUNC_3)
 		mask = E1000_SWFW_PHY3_SM;
 
-	igb_release_swfw_sync_82575(hw, mask);
+	hw->mac.ops.release_swfw_sync(hw, mask);
 }
 
 /**
@@ -514,6 +602,8 @@ static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
 			break;
 		case e1000_82580:
 		case e1000_i350:
+		case e1000_i210:
+		case e1000_i211:
 			mdic = rd32(E1000_MDICNFG);
 			mdic &= E1000_MDICNFG_PHY_MASK;
 			phy->addr = mdic >> E1000_MDICNFG_PHY_SHIFT;
@@ -780,14 +870,14 @@ static s32 igb_acquire_nvm_82575(struct e1000_hw *hw)
 {
 	s32 ret_val;
 
-	ret_val = igb_acquire_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
+	ret_val = hw->mac.ops.acquire_swfw_sync(hw, E1000_SWFW_EEP_SM);
 	if (ret_val)
 		goto out;
 
 	ret_val = igb_acquire_nvm(hw);
 
 	if (ret_val)
-		igb_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
+		hw->mac.ops.release_swfw_sync(hw, E1000_SWFW_EEP_SM);
 
 out:
 	return ret_val;
@@ -803,7 +893,7 @@ static s32 igb_acquire_nvm_82575(struct e1000_hw *hw)
 static void igb_release_nvm_82575(struct e1000_hw *hw)
 {
 	igb_release_nvm(hw);
-	igb_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
+	hw->mac.ops.release_swfw_sync(hw, E1000_SWFW_EEP_SM);
 }
 
 /**
@@ -1174,7 +1264,6 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw)
 	 * is no link.
 	 */
 	igb_clear_hw_cntrs_82575(hw);
-
 	return ret_val;
 }
 
@@ -1211,6 +1300,7 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 		}
 	}
 	switch (hw->phy.type) {
+	case e1000_phy_i210:
 	case e1000_phy_m88:
 		if (hw->phy.id == I347AT4_E_PHY_ID ||
 		    hw->phy.id == M88E1112_E_PHY_ID)
@@ -1851,7 +1941,7 @@ static s32 igb_reset_hw_82580(struct e1000_hw *hw)
 
 	/* Determine whether or not a global dev reset is requested */
 	if (global_device_reset &&
-		igb_acquire_swfw_sync_82575(hw, swmbsw_mask))
+		hw->mac.ops.acquire_swfw_sync(hw, swmbsw_mask))
 			global_device_reset = false;
 
 	if (global_device_reset &&
@@ -1897,7 +1987,7 @@ static s32 igb_reset_hw_82580(struct e1000_hw *hw)
 
 	/* Release semaphore */
 	if (global_device_reset)
-		igb_release_swfw_sync_82575(hw, swmbsw_mask);
+		hw->mac.ops.release_swfw_sync(hw, swmbsw_mask);
 
 	return ret_val;
 }

drivers/net/ethernet/intel/igb/e1000_82575.h

@@ -55,10 +55,11 @@ extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
 #define E1000_SRRCTL_DROP_EN                            0x80000000
 #define E1000_SRRCTL_TIMESTAMP                          0x40000000
 
+
 #define E1000_MRQC_ENABLE_RSS_4Q            0x00000002
 #define E1000_MRQC_ENABLE_VMDQ              0x00000003
-#define E1000_MRQC_ENABLE_VMDQ_RSS_2Q       0x00000005
 #define E1000_MRQC_RSS_FIELD_IPV4_UDP       0x00400000
+#define E1000_MRQC_ENABLE_VMDQ_RSS_2Q       0x00000005
 #define E1000_MRQC_RSS_FIELD_IPV6_UDP       0x00800000
 #define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX    0x01000000
 

drivers/net/ethernet/intel/igb/e1000_defines.h

@@ -458,6 +458,7 @@
 #define E1000_ERR_INVALID_ARGUMENT  16
 #define E1000_ERR_NO_SPACE          17
 #define E1000_ERR_NVM_PBA_SECTION   18
+#define E1000_ERR_INVM_VALUE_NOT_FOUND	19
 
 /* Loop limit on how long we wait for auto-negotiation to complete */
 #define COPPER_LINK_UP_LIMIT              10
@@ -595,6 +596,25 @@
 #define E1000_EECD_AUTO_RD          0x00000200  /* NVM Auto Read done */
 #define E1000_EECD_SIZE_EX_MASK     0x00007800  /* NVM Size */
 #define E1000_EECD_SIZE_EX_SHIFT     11
+#define E1000_EECD_FLUPD_I210		0x00800000 /* Update FLASH */
+#define E1000_EECD_FLUDONE_I210		0x04000000 /* Update FLASH done*/
+#define E1000_FLUDONE_ATTEMPTS		20000
+#define E1000_EERD_EEWR_MAX_COUNT	512 /* buffered EEPROM words rw */
+#define E1000_I210_FIFO_SEL_RX		0x00
+#define E1000_I210_FIFO_SEL_TX_QAV(_i)	(0x02 + (_i))
+#define E1000_I210_FIFO_SEL_TX_LEGACY	E1000_I210_FIFO_SEL_TX_QAV(0)
+#define E1000_I210_FIFO_SEL_BMC2OS_TX	0x06
+#define E1000_I210_FIFO_SEL_BMC2OS_RX	0x01
+#define E1000_EECD_FLUPD_I210		0x00800000 /* Update FLASH */
+#define E1000_EECD_FLUDONE_I210		0x04000000 /* Update FLASH done*/
+#define E1000_FLUDONE_ATTEMPTS		20000
+#define E1000_EERD_EEWR_MAX_COUNT	512 /* buffered EEPROM words rw */
+#define E1000_I210_FIFO_SEL_RX		0x00
+#define E1000_I210_FIFO_SEL_TX_QAV(_i)	(0x02 + (_i))
+#define E1000_I210_FIFO_SEL_TX_LEGACY	E1000_I210_FIFO_SEL_TX_QAV(0)
+#define E1000_I210_FIFO_SEL_BMC2OS_TX	0x06
+#define E1000_I210_FIFO_SEL_BMC2OS_RX	0x01
+
 
 /* Offset to data in NVM read/write registers */
 #define E1000_NVM_RW_REG_DATA   16
@@ -613,6 +633,16 @@
 #define NVM_CHECKSUM_REG           0x003F
 #define NVM_COMPATIBILITY_REG_3    0x0003
 #define NVM_COMPATIBILITY_BIT_MASK 0x8000
+#define NVM_MAC_ADDR               0x0000
+#define NVM_SUB_DEV_ID             0x000B
+#define NVM_SUB_VEN_ID             0x000C
+#define NVM_DEV_ID                 0x000D
+#define NVM_VEN_ID                 0x000E
+#define NVM_INIT_CTRL_2            0x000F
+#define NVM_INIT_CTRL_4            0x0013
+#define NVM_LED_1_CFG              0x001C
+#define NVM_LED_0_2_CFG            0x001F
+
 
 #define E1000_NVM_CFG_DONE_PORT_0  0x040000 /* MNG config cycle done */
 #define E1000_NVM_CFG_DONE_PORT_1  0x080000 /* ...for second port */
@@ -639,6 +669,7 @@
 
 #define NVM_PBA_OFFSET_0           8
 #define NVM_PBA_OFFSET_1           9
+#define NVM_RESERVED_WORD		0xFFFF
 #define NVM_PBA_PTR_GUARD          0xFAFA
 #define NVM_WORD_SIZE_BASE_SHIFT   6
 
@@ -696,6 +727,7 @@
 #define I82580_I_PHY_ID      0x015403A0
 #define I350_I_PHY_ID        0x015403B0
 #define M88_VENDOR           0x0141
+#define I210_I_PHY_ID        0x01410C00
 
 /* M88E1000 Specific Registers */
 #define M88E1000_PHY_SPEC_CTRL     0x10  /* PHY Specific Control Register */
@@ -815,6 +847,7 @@
 #define E1000_IPCNFG_EEE_100M_AN     0x00000004  /* EEE Enable 100M AN */
 #define E1000_EEER_TX_LPI_EN         0x00010000  /* EEE Tx LPI Enable */
 #define E1000_EEER_RX_LPI_EN         0x00020000  /* EEE Rx LPI Enable */
+#define E1000_EEER_FRC_AN            0x10000000 /* Enable EEE in loopback */
 #define E1000_EEER_LPI_FC            0x00040000  /* EEE Enable on FC */
 
 /* SerDes Control */

drivers/net/ethernet/intel/igb/e1000_hw.h

@@ -63,6 +63,13 @@ struct e1000_hw;
 #define E1000_DEV_ID_I350_FIBER               0x1522
 #define E1000_DEV_ID_I350_SERDES              0x1523
 #define E1000_DEV_ID_I350_SGMII               0x1524
+#define E1000_DEV_ID_I210_COPPER		0x1533
+#define E1000_DEV_ID_I210_COPPER_OEM1		0x1534
+#define E1000_DEV_ID_I210_COPPER_IT		0x1535
+#define E1000_DEV_ID_I210_FIBER			0x1536
+#define E1000_DEV_ID_I210_SERDES		0x1537
+#define E1000_DEV_ID_I210_SGMII			0x1538
+#define E1000_DEV_ID_I211_COPPER		0x1539
 
 #define E1000_REVISION_2 2
 #define E1000_REVISION_4 4
@@ -83,6 +90,8 @@ enum e1000_mac_type {
 	e1000_82576,
 	e1000_82580,
 	e1000_i350,
+	e1000_i210,
+	e1000_i211,
 	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
 };
 
@@ -117,6 +126,7 @@ enum e1000_phy_type {
 	e1000_phy_igp_3,
 	e1000_phy_ife,
 	e1000_phy_82580,
+	e1000_phy_i210,
 };
 
 enum e1000_bus_type {
@@ -313,6 +323,9 @@ struct e1000_mac_operations {
 	void (*rar_set)(struct e1000_hw *, u8 *, u32);
 	s32  (*read_mac_addr)(struct e1000_hw *);
 	s32  (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
+	s32  (*acquire_swfw_sync)(struct e1000_hw *, u16);
+	void (*release_swfw_sync)(struct e1000_hw *, u16);
+
 };
 
 struct e1000_phy_operations {
@@ -338,6 +351,7 @@ struct e1000_nvm_operations {
 	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
 	s32  (*update)(struct e1000_hw *);
 	s32  (*validate)(struct e1000_hw *);
+	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
 };
 
 struct e1000_info {

drivers/net/ethernet/intel/igb/e1000_i210.c

+/*******************************************************************************
+
+  Intel(R) Gigabit Ethernet Linux driver
+  Copyright(c) 2007-2012 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+******************************************************************************/
+
+/* e1000_i210
+ * e1000_i211
+ */
+
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#include "e1000_hw.h"
+#include "e1000_i210.h"
+
+static s32 igb_get_hw_semaphore_i210(struct e1000_hw *hw);
+static void igb_put_hw_semaphore_i210(struct e1000_hw *hw);
+static s32 igb_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
+				u16 *data);
+static s32 igb_pool_flash_update_done_i210(struct e1000_hw *hw);
+
+/**
+ *  igb_acquire_nvm_i210 - Request for access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the necessary semaphores for exclusive access to the EEPROM.
+ *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
+ *  Return successful if access grant bit set, else clear the request for
+ *  EEPROM access and return -E1000_ERR_NVM (-1).
+ **/
+s32 igb_acquire_nvm_i210(struct e1000_hw *hw)
+{
+	return igb_acquire_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  igb_release_nvm_i210 - Release exclusive access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Stop any current commands to the EEPROM and clear the EEPROM request bit,
+ *  then release the semaphores acquired.
+ **/
+void igb_release_nvm_i210(struct e1000_hw *hw)
+{
+	igb_release_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  igb_acquire_swfw_sync_i210 - Acquire SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Acquire the SW/FW semaphore to access the PHY or NVM.  The mask
+ *  will also specify which port we're acquiring the lock for.
+ **/
+s32 igb_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+	u32 swmask = mask;
+	u32 fwmask = mask << 16;
+	s32 ret_val = E1000_SUCCESS;
+	s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
+
+	while (i < timeout) {
+		if (igb_get_hw_semaphore_i210(hw)) {
+			ret_val = -E1000_ERR_SWFW_SYNC;
+			goto out;
+		}
+
+		swfw_sync = rd32(E1000_SW_FW_SYNC);
+		if (!(swfw_sync & fwmask))
+			break;
+
+		/*
+		 * Firmware currently using resource (fwmask)
+		 */
+		igb_put_hw_semaphore_i210(hw);
+		mdelay(5);
+		i++;
+	}
+
+	if (i == timeout) {
+		hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
+		ret_val = -E1000_ERR_SWFW_SYNC;
+		goto out;
+	}
+
+	swfw_sync |= swmask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore_i210(hw);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_release_swfw_sync_i210 - Release SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Release the SW/FW semaphore used to access the PHY or NVM.  The mask
+ *  will also specify which port we're releasing the lock for.
+ **/
+void igb_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+
+	while (igb_get_hw_semaphore_i210(hw) != E1000_SUCCESS)
+		; /* Empty */
+
+	swfw_sync = rd32(E1000_SW_FW_SYNC);
+	swfw_sync &= ~mask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore_i210(hw);
+}
+
+/**
+ *  igb_get_hw_semaphore_i210 - Acquire hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the HW semaphore to access the PHY or NVM
+ **/
+static s32 igb_get_hw_semaphore_i210(struct e1000_hw *hw)
+{
+	u32 swsm;
+	s32 ret_val = E1000_SUCCESS;
+	s32 timeout = hw->nvm.word_size + 1;
+	s32 i = 0;
+
+	/* Get the FW semaphore. */
+	for (i = 0; i < timeout; i++) {
+		swsm = rd32(E1000_SWSM);
+		wr32(E1000_SWSM, swsm | E1000_SWSM_SWESMBI);
+
+		/* Semaphore acquired if bit latched */
+		if (rd32(E1000_SWSM) & E1000_SWSM_SWESMBI)
+			break;
+
+		udelay(50);
+	}
+
+	if (i == timeout) {
+		/* Release semaphores */
+		igb_put_hw_semaphore(hw);
+		hw_dbg("Driver can't access the NVM\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_put_hw_semaphore_i210 - Release hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Release hardware semaphore used to access the PHY or NVM
+ **/
+static void igb_put_hw_semaphore_i210(struct e1000_hw *hw)
+{
+	u32 swsm;
+
+	swsm = rd32(E1000_SWSM);
+
+	swsm &= ~E1000_SWSM_SWESMBI;
+
+	wr32(E1000_SWSM, swsm);
+}
+
+/**
+ *  igb_read_nvm_srrd_i210 - Reads Shadow Ram using EERD register
+ *  @hw: pointer to the HW structure
+ *  @offset: offset of word in the Shadow Ram to read
+ *  @words: number of words to read
+ *  @data: word read from the Shadow Ram
+ *
+ *  Reads a 16 bit word from the Shadow Ram using the EERD register.
+ *  Uses necessary synchronization semaphores.
+ **/
+s32 igb_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset, u16 words,
+			     u16 *data)
+{
+	s32 status = E1000_SUCCESS;
+	u16 i, count;
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to read in bursts than synchronizing access for each word. */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+			status = igb_read_nvm_eerd(hw, offset, count,
+						     data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status != E1000_SUCCESS)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  igb_write_nvm_srwr_i210 - Write to Shadow RAM using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow RAM to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow RAM
+ *
+ *  Writes data to Shadow RAM at offset using EEWR register.
+ *
+ *  If e1000_update_nvm_checksum is not called after this function , the
+ *  data will not be committed to FLASH and also Shadow RAM will most likely
+ *  contain an invalid checksum.
+ *
+ *  If error code is returned, data and Shadow RAM may be inconsistent - buffer
+ *  partially written.
+ **/
+s32 igb_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset, u16 words,
+			      u16 *data)
+{
+	s32 status = E1000_SUCCESS;
+	u16 i, count;
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to write in bursts than synchronizing access for each word. */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+			status = igb_write_nvm_srwr(hw, offset, count,
+						      data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status != E1000_SUCCESS)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  igb_write_nvm_srwr - Write to Shadow Ram using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow Ram to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow Ram
+ *
+ *  Writes data to Shadow Ram at offset using EEWR register.
+ *
+ *  If igb_update_nvm_checksum is not called after this function , the
+ *  Shadow Ram will most likely contain an invalid checksum.
+ **/
+static s32 igb_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
+				u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 i, k, eewr = 0;
+	u32 attempts = 100000;
+	s32 ret_val = E1000_SUCCESS;
+
+	/*
+	 * A check for invalid values:  offset too large, too many words,
+	 * too many words for the offset, and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		hw_dbg("nvm parameter(s) out of bounds\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eewr = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
+			(data[i] << E1000_NVM_RW_REG_DATA) |
+			E1000_NVM_RW_REG_START;
+
+		wr32(E1000_SRWR, eewr);
+
+		for (k = 0; k < attempts; k++) {
+			if (E1000_NVM_RW_REG_DONE &
+			    rd32(E1000_SRWR)) {
+				ret_val = E1000_SUCCESS;
+				break;
+			}
+			udelay(5);
+	}
+
+		if (ret_val != E1000_SUCCESS) {
+			hw_dbg("Shadow RAM write EEWR timed out\n");
+			break;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_nvm_i211 - Read NVM wrapper function for I211
+ *  @hw: pointer to the HW structure
+ *  @address: the word address (aka eeprom offset) to read
+ *  @data: pointer to the data read
+ *
+ *  Wrapper function to return data formerly found in the NVM.
+ **/
+s32 igb_read_nvm_i211(struct e1000_hw *hw, u16 offset, u16 words,
+			       u16 *data)
+{
+	s32 ret_val = E1000_SUCCESS;
+
+	/* Only the MAC addr is required to be present in the iNVM */
+	switch (offset) {
+	case NVM_MAC_ADDR:
+		ret_val = igb_read_invm_i211(hw, offset, &data[0]);
+		ret_val |= igb_read_invm_i211(hw, offset+1, &data[1]);
+		ret_val |= igb_read_invm_i211(hw, offset+2, &data[2]);
+		if (ret_val != E1000_SUCCESS)
+			hw_dbg("MAC Addr not found in iNVM\n");
+		break;
+	case NVM_ID_LED_SETTINGS:
+	case NVM_INIT_CTRL_2:
+	case NVM_INIT_CTRL_4:
+	case NVM_LED_1_CFG:
+	case NVM_LED_0_2_CFG:
+		igb_read_invm_i211(hw, offset, data);
+		break;
+	case NVM_COMPAT:
+		*data = ID_LED_DEFAULT_I210;
+		break;
+	case NVM_SUB_DEV_ID:
+		*data = hw->subsystem_device_id;
+		break;
+	case NVM_SUB_VEN_ID:
+		*data = hw->subsystem_vendor_id;
+		break;
+	case NVM_DEV_ID:
+		*data = hw->device_id;
+		break;
+	case NVM_VEN_ID:
+		*data = hw->vendor_id;
+		break;
+	default:
+		hw_dbg("NVM word 0x%02x is not mapped.\n", offset);
+		*data = NVM_RESERVED_WORD;
+		break;
+	}
+	return ret_val;
+}
+
+/**
+ *  igb_read_invm_i211 - Reads OTP
+ *  @hw: pointer to the HW structure
+ *  @address: the word address (aka eeprom offset) to read
+ *  @data: pointer to the data read
+ *
+ *  Reads 16-bit words from the OTP. Return error when the word is not
+ *  stored in OTP.
+ **/
+s32 igb_read_invm_i211(struct e1000_hw *hw, u16 address, u16 *data)
+{
+	s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+	u32 invm_dword;
+	u16 i;
+	u8 record_type, word_address;
+
+	for (i = 0; i < E1000_INVM_SIZE; i++) {
+		invm_dword = rd32(E1000_INVM_DATA_REG(i));
+		/* Get record type */
+		record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword);
+		if (record_type == E1000_INVM_UNINITIALIZED_STRUCTURE)
+			break;
+		if (record_type == E1000_INVM_CSR_AUTOLOAD_STRUCTURE)
+			i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_RSA_KEY_SHA256_STRUCTURE)
+			i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_WORD_AUTOLOAD_STRUCTURE) {
+			word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword);
+			if (word_address == (u8)address) {
+				*data = INVM_DWORD_TO_WORD_DATA(invm_dword);
+				hw_dbg("Read INVM Word 0x%02x = %x",
+					  address, *data);
+				status = E1000_SUCCESS;
+				break;
+			}
+		}
+	}
+	if (status != E1000_SUCCESS)
+		hw_dbg("Requested word 0x%02x not found in OTP\n", address);
+	return status;
+}
+
+/**
+ *  igb_validate_nvm_checksum_i210 - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+s32 igb_validate_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 status = E1000_SUCCESS;
+	s32 (*read_op_ptr)(struct e1000_hw *, u16, u16, u16 *);
+
+	if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+
+		/*
+		 * Replace the read function with semaphore grabbing with
+		 * the one that skips this for a while.
+		 * We have semaphore taken already here.
+		 */
+		read_op_ptr = hw->nvm.ops.read;
+		hw->nvm.ops.read = igb_read_nvm_eerd;
+
+		status = igb_validate_nvm_checksum(hw);
+
+		/* Revert original read operation. */
+		hw->nvm.ops.read = read_op_ptr;
+
+		hw->nvm.ops.release(hw);
+	} else {
+		status = E1000_ERR_SWFW_SYNC;
+	}
+
+	return status;
+}
+
+
+/**
+ *  igb_update_nvm_checksum_i210 - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  up to the checksum.  Then calculates the EEPROM checksum and writes the
+ *  value to the EEPROM. Next commit EEPROM data onto the Flash.
+ **/
+s32 igb_update_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = E1000_SUCCESS;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	/*
+	 * Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	ret_val = igb_read_nvm_eerd(hw, 0, 1, &nvm_data);
+	if (ret_val != E1000_SUCCESS) {
+		hw_dbg("EEPROM read failed\n");
+		goto out;
+	}
+
+	if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+		/*
+		 * Do not use hw->nvm.ops.write, hw->nvm.ops.read
+		 * because we do not want to take the synchronization
+		 * semaphores twice here.
+		 */
+
+		for (i = 0; i < NVM_CHECKSUM_REG; i++) {
+			ret_val = igb_read_nvm_eerd(hw, i, 1, &nvm_data);
+			if (ret_val) {
+				hw->nvm.ops.release(hw);
+				hw_dbg("NVM Read Error while updating checksum.\n");
+				goto out;
+			}
+			checksum += nvm_data;
+		}
+		checksum = (u16) NVM_SUM - checksum;
+		ret_val = igb_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1,
+						&checksum);
+		if (ret_val != E1000_SUCCESS) {
+			hw->nvm.ops.release(hw);
+			hw_dbg("NVM Write Error while updating checksum.\n");
+			goto out;
+		}
+
+		hw->nvm.ops.release(hw);
+
+		ret_val = igb_update_flash_i210(hw);
+	} else {
+		ret_val = -E1000_ERR_SWFW_SYNC;
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_update_flash_i210 - Commit EEPROM to the flash
+ *  @hw: pointer to the HW structure
+ *
+ **/
+s32 igb_update_flash_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = E1000_SUCCESS;
+	u32 flup;
+
+	ret_val = igb_pool_flash_update_done_i210(hw);
+	if (ret_val == -E1000_ERR_NVM) {
+		hw_dbg("Flash update time out\n");
+		goto out;
+	}
+
+	flup = rd32(E1000_EECD) | E1000_EECD_FLUPD_I210;
+	wr32(E1000_EECD, flup);
+
+	ret_val = igb_pool_flash_update_done_i210(hw);
+	if (ret_val == E1000_SUCCESS)
+		hw_dbg("Flash update complete\n");
+	else
+		hw_dbg("Flash update time out\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_pool_flash_update_done_i210 - Pool FLUDONE status.
+ *  @hw: pointer to the HW structure
+ *
+ **/
+s32 igb_pool_flash_update_done_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = -E1000_ERR_NVM;
+	u32 i, reg;
+
+	for (i = 0; i < E1000_FLUDONE_ATTEMPTS; i++) {
+		reg = rd32(E1000_EECD);
+		if (reg & E1000_EECD_FLUDONE_I210) {
+			ret_val = E1000_SUCCESS;
+			break;
+		}
+		udelay(5);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_valid_led_default_i210 - Verify a valid default LED config
+ *  @hw: pointer to the HW structure
+ *  @data: pointer to the NVM (EEPROM)
+ *
+ *  Read the EEPROM for the current default LED configuration.  If the
+ *  LED configuration is not valid, set to a valid LED configuration.
+ **/
+s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data)
+{
+	s32 ret_val;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
+		switch (hw->phy.media_type) {
+		case e1000_media_type_internal_serdes:
+			*data = ID_LED_DEFAULT_I210_SERDES;
+			break;
+		case e1000_media_type_copper:
+		default:
+			*data = ID_LED_DEFAULT_I210;
+			break;
+		}
+	}
+out:
+	return ret_val;
+}

drivers/net/ethernet/intel/igb/e1000_i210.h

+/*******************************************************************************
+
+  Intel(R) Gigabit Ethernet Linux driver
+  Copyright(c) 2007-2012 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _E1000_I210_H_
+#define _E1000_I210_H_
+
+extern s32 igb_update_flash_i210(struct e1000_hw *hw);
+extern s32 igb_update_nvm_checksum_i210(struct e1000_hw *hw);
+extern s32 igb_validate_nvm_checksum_i210(struct e1000_hw *hw);
+extern s32 igb_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset,
+			      u16 words, u16 *data);
+extern s32 igb_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset,
+			     u16 words, u16 *data);
+extern s32 igb_read_invm_i211(struct e1000_hw *hw, u16 address, u16 *data);
+extern s32 igb_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask);
+extern void igb_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask);
+extern s32 igb_acquire_nvm_i210(struct e1000_hw *hw);
+extern void igb_release_nvm_i210(struct e1000_hw *hw);
+extern s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data);
+extern s32 igb_read_nvm_i211(struct e1000_hw *hw, u16 offset, u16 words,
+			       u16 *data);
+
+#define E1000_STM_OPCODE		0xDB00
+#define E1000_EEPROM_FLASH_SIZE_WORD	0x11
+
+#define INVM_DWORD_TO_RECORD_TYPE(invm_dword) \
+	(u8)((invm_dword) & 0x7)
+#define INVM_DWORD_TO_WORD_ADDRESS(invm_dword) \
+	(u8)(((invm_dword) & 0x0000FE00) >> 9)
+#define INVM_DWORD_TO_WORD_DATA(invm_dword) \
+	(u16)(((invm_dword) & 0xFFFF0000) >> 16)
+
+enum E1000_INVM_STRUCTURE_TYPE {
+	E1000_INVM_UNINITIALIZED_STRUCTURE		= 0x00,
+	E1000_INVM_WORD_AUTOLOAD_STRUCTURE		= 0x01,
+	E1000_INVM_CSR_AUTOLOAD_STRUCTURE		= 0x02,
+	E1000_INVM_PHY_REGISTER_AUTOLOAD_STRUCTURE	= 0x03,
+	E1000_INVM_RSA_KEY_SHA256_STRUCTURE		= 0x04,
+	E1000_INVM_INVALIDATED_STRUCTURE		= 0x0F,
+};
+
+#define E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS	8
+#define E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS	1
+
+#define ID_LED_DEFAULT_I210		((ID_LED_OFF1_ON2  << 8) | \
+					 (ID_LED_OFF1_OFF2 <<  4) | \
+					 (ID_LED_DEF1_DEF2))
+#define ID_LED_DEFAULT_I210_SERDES	((ID_LED_DEF1_DEF2 << 8) | \
+					 (ID_LED_DEF1_DEF2 <<  4) | \
+					 (ID_LED_DEF1_DEF2))
+
+#endif

drivers/net/ethernet/intel/igb/e1000_mac.c

@@ -658,6 +658,7 @@ s32 igb_setup_link(struct e1000_hw *hw)
 	ret_val = igb_set_fc_watermarks(hw);
 
 out:
+
 	return ret_val;
 }
 

drivers/net/ethernet/intel/igb/e1000_nvm.c

@@ -710,4 +710,3 @@ s32 igb_update_nvm_checksum(struct e1000_hw *hw)
 out:
 	return ret_val;
 }
-

drivers/net/ethernet/intel/igb/e1000_phy.c

@@ -35,6 +35,7 @@ static s32  igb_phy_setup_autoneg(struct e1000_hw *hw);
 static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw,
 					       u16 *phy_ctrl);
 static s32  igb_wait_autoneg(struct e1000_hw *hw);
+static s32  igb_set_master_slave_mode(struct e1000_hw *hw);
 
 /* Cable length tables */
 static const u16 e1000_m88_cable_length_table[] =
@@ -570,6 +571,11 @@ s32 igb_copper_link_setup_m88(struct e1000_hw *hw)
 		hw_dbg("Error committing the PHY changes\n");
 		goto out;
 	}
+	if (phy->type == e1000_phy_i210) {
+		ret_val = igb_set_master_slave_mode(hw);
+		if (ret_val)
+			return ret_val;
+	}
 
 out:
 	return ret_val;
@@ -1213,12 +1219,22 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 			goto out;
 
 		if (!link) {
-			if (hw->phy.type != e1000_phy_m88 ||
-			    hw->phy.id == I347AT4_E_PHY_ID ||
-			    hw->phy.id == M88E1112_E_PHY_ID) {
+			bool reset_dsp = true;
+
+			switch (hw->phy.id) {
+			case I347AT4_E_PHY_ID:
+			case M88E1112_E_PHY_ID:
+			case I210_I_PHY_ID:
+				reset_dsp = false;
+				break;
+			default:
+				if (hw->phy.type != e1000_phy_m88)
+					reset_dsp = false;
+				break;
+			}
+			if (!reset_dsp)
 				hw_dbg("Link taking longer than expected.\n");
-			} else {
-
+			else {
 				/*
 				 * We didn't get link.
 				 * Reset the DSP and cross our fingers.
@@ -1243,7 +1259,8 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 
 	if (hw->phy.type != e1000_phy_m88 ||
 	    hw->phy.id == I347AT4_E_PHY_ID ||
-	    hw->phy.id == M88E1112_E_PHY_ID)
+	    hw->phy.id == M88E1112_E_PHY_ID ||
+	    hw->phy.id == I210_I_PHY_ID)
 		goto out;
 
 	ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
@@ -1441,6 +1458,7 @@ s32 igb_check_downshift(struct e1000_hw *hw)
 	u16 phy_data, offset, mask;
 
 	switch (phy->type) {
+	case e1000_phy_i210:
 	case e1000_phy_m88:
 	case e1000_phy_gg82563:
 		offset	= M88E1000_PHY_SPEC_STATUS;
@@ -1476,7 +1494,7 @@ s32 igb_check_downshift(struct e1000_hw *hw)
  *
  *  Polarity is determined based on the PHY specific status register.
  **/
-static s32 igb_check_polarity_m88(struct e1000_hw *hw)
+s32 igb_check_polarity_m88(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
@@ -1665,6 +1683,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
 	u16 phy_data, phy_data2, index, default_page, is_cm;
 
 	switch (hw->phy.id) {
+	case I210_I_PHY_ID:
 	case I347AT4_E_PHY_ID:
 		/* Remember the original page select and set it to 7 */
 		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,
@@ -2129,10 +2148,16 @@ s32 igb_phy_init_script_igp3(struct e1000_hw *hw)
 void igb_power_up_phy_copper(struct e1000_hw *hw)
 {
 	u16 mii_reg = 0;
+	u16 power_reg = 0;
 
 	/* The PHY will retain its settings across a power down/up cycle */
 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
 	mii_reg &= ~MII_CR_POWER_DOWN;
+	if (hw->phy.type == e1000_phy_i210) {
+		hw->phy.ops.read_reg(hw, GS40G_COPPER_SPEC, &power_reg);
+		power_reg &= ~GS40G_CS_POWER_DOWN;
+		hw->phy.ops.write_reg(hw, GS40G_COPPER_SPEC, power_reg);
+	}
 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
 }
 
@@ -2146,10 +2171,18 @@ void igb_power_up_phy_copper(struct e1000_hw *hw)
 void igb_power_down_phy_copper(struct e1000_hw *hw)
 {
 	u16 mii_reg = 0;
+	u16 power_reg = 0;
 
 	/* The PHY will retain its settings across a power down/up cycle */
 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
 	mii_reg |= MII_CR_POWER_DOWN;
+
+	/* i210 Phy requires an additional bit for power up/down */
+	if (hw->phy.type == e1000_phy_i210) {
+		hw->phy.ops.read_reg(hw, GS40G_COPPER_SPEC, &power_reg);
+		power_reg |= GS40G_CS_POWER_DOWN;
+		hw->phy.ops.write_reg(hw, GS40G_COPPER_SPEC, power_reg);
+	}
 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
 	msleep(1);
 }
@@ -2345,3 +2378,103 @@ s32 igb_get_cable_length_82580(struct e1000_hw *hw)
 out:
 	return ret_val;
 }
+
+/**
+ *  igb_write_phy_reg_gs40g - Write GS40G PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: lower half is register offset to write to
+ *     upper half is page to use.
+ *  @data: data to write at register offset
+ *
+ *  Acquires semaphore, if necessary, then writes the data to PHY register
+ *  at the offset.  Release any acquired semaphores before exiting.
+ **/
+s32 igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	s32 ret_val;
+	u16 page = offset >> GS40G_PAGE_SHIFT;
+
+	offset = offset & GS40G_OFFSET_MASK;
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page);
+	if (ret_val)
+		goto release;
+	ret_val = igb_write_phy_reg_mdic(hw, offset, data);
+
+release:
+	hw->phy.ops.release(hw);
+	return ret_val;
+}
+
+/**
+ *  igb_read_phy_reg_gs40g - Read GS40G  PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: lower half is register offset to read to
+ *     upper half is page to use.
+ *  @data: data to read at register offset
+ *
+ *  Acquires semaphore, if necessary, then reads the data in the PHY register
+ *  at the offset.  Release any acquired semaphores before exiting.
+ **/
+s32 igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	s32 ret_val;
+	u16 page = offset >> GS40G_PAGE_SHIFT;
+
+	offset = offset & GS40G_OFFSET_MASK;
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page);
+	if (ret_val)
+		goto release;
+	ret_val = igb_read_phy_reg_mdic(hw, offset, data);
+
+release:
+	hw->phy.ops.release(hw);
+	return ret_val;
+}
+
+/**
+ *  igb_set_master_slave_mode - Setup PHY for Master/slave mode
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up Master/slave mode
+ **/
+static s32 igb_set_master_slave_mode(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u16 phy_data;
+
+	/* Resolve Master/Slave mode */
+	ret_val = hw->phy.ops.read_reg(hw, PHY_1000T_CTRL, &phy_data);
+	if (ret_val)
+		return ret_val;
+
+	/* load defaults for future use */
+	hw->phy.original_ms_type = (phy_data & CR_1000T_MS_ENABLE) ?
+				   ((phy_data & CR_1000T_MS_VALUE) ?
+				    e1000_ms_force_master :
+				    e1000_ms_force_slave) : e1000_ms_auto;
+
+	switch (hw->phy.ms_type) {
+	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;
+		/* fall-through */
+	default:
+		break;
+	}
+
+	return hw->phy.ops.write_reg(hw, PHY_1000T_CTRL, phy_data);
+}

drivers/net/ethernet/intel/igb/e1000_phy.h

@@ -73,6 +73,9 @@ s32  igb_copper_link_setup_82580(struct e1000_hw *hw);
 s32  igb_get_phy_info_82580(struct e1000_hw *hw);
 s32  igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
 s32  igb_get_cable_length_82580(struct e1000_hw *hw);
+s32  igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_check_polarity_m88(struct e1000_hw *hw);
 
 /* IGP01E1000 Specific Registers */
 #define IGP01E1000_PHY_PORT_CONFIG        0x10 /* Port Config */
@@ -140,4 +143,16 @@ s32  igb_get_cable_length_82580(struct e1000_hw *hw);
 
 #define E1000_CABLE_LENGTH_UNDEFINED      0xFF
 
+/* GS40G - I210 PHY defines */
+#define GS40G_PAGE_SELECT		0x16
+#define GS40G_PAGE_SHIFT		16
+#define GS40G_OFFSET_MASK		0xFFFF
+#define GS40G_PAGE_2			0x20000
+#define GS40G_MAC_REG2			0x15
+#define GS40G_MAC_LB			0x4140
+#define GS40G_MAC_SPEED_1G		0X0006
+#define GS40G_COPPER_SPEC		0x0010
+#define GS40G_CS_POWER_DOWN		0x0002
+#define GS40G_LINE_LB			0x4000
+
 #endif

drivers/net/ethernet/intel/igb/e1000_regs.h

@@ -352,4 +352,18 @@
 #define E1000_O2BGPTC   0x08FE4 /* OS2BMC packets received by BMC */
 #define E1000_O2BSPC    0x0415C /* OS2BMC packets transmitted by host */
 
+#define E1000_SRWR		0x12018  /* Shadow Ram Write Register - RW */
+#define E1000_I210_FLMNGCTL	0x12038
+#define E1000_I210_FLMNGDATA	0x1203C
+#define E1000_I210_FLMNGCNT	0x12040
+
+#define E1000_I210_FLSWCTL	0x12048
+#define E1000_I210_FLSWDATA	0x1204C
+#define E1000_I210_FLSWCNT	0x12050
+
+#define E1000_I210_FLA		0x1201C
+
+#define E1000_INVM_DATA_REG(_n)	(0x12120 + 4*(_n))
+#define E1000_INVM_SIZE		64 /* Number of INVM Data Registers */
+
 #endif

drivers/net/ethernet/intel/igb/igb.h

@@ -65,10 +65,13 @@ struct igb_adapter;
 #define MAX_Q_VECTORS                      8
 
 /* Transmit and receive queues */
-#define IGB_MAX_RX_QUEUES                  (adapter->vfs_allocated_count ? 2 : \
-                                           (hw->mac.type > e1000_82575 ? 8 : 4))
+#define IGB_MAX_RX_QUEUES		((adapter->vfs_allocated_count ? 2 : \
+					(hw->mac.type > e1000_82575 ? 8 : 4)))
+#define IGB_MAX_RX_QUEUES_I210             4
+#define IGB_MAX_RX_QUEUES_I211             2
 #define IGB_MAX_TX_QUEUES                  16
-
+#define IGB_MAX_TX_QUEUES_I210             4
+#define IGB_MAX_TX_QUEUES_I211             2
 #define IGB_MAX_VF_MC_ENTRIES              30
 #define IGB_MAX_VF_FUNCTIONS               8
 #define IGB_MAX_VFTA_ENTRIES               128

drivers/net/ethernet/intel/igb/igb_ethtool.c

@@ -552,10 +552,13 @@ static void igb_get_regs(struct net_device *netdev,
 	regs_buff[548] = rd32(E1000_TDFT);
 	regs_buff[549] = rd32(E1000_TDFHS);
 	regs_buff[550] = rd32(E1000_TDFPC);
-	regs_buff[551] = adapter->stats.o2bgptc;
-	regs_buff[552] = adapter->stats.b2ospc;
-	regs_buff[553] = adapter->stats.o2bspc;
-	regs_buff[554] = adapter->stats.b2ogprc;
+
+	if (hw->mac.type > e1000_82580) {
+		regs_buff[551] = adapter->stats.o2bgptc;
+		regs_buff[552] = adapter->stats.b2ospc;
+		regs_buff[553] = adapter->stats.o2bspc;
+		regs_buff[554] = adapter->stats.b2ogprc;
+	}
 
 	if (hw->mac.type != e1000_82576)
 		return;
@@ -660,6 +663,9 @@ static int igb_set_eeprom(struct net_device *netdev,
 	if (eeprom->len == 0)
 		return -EOPNOTSUPP;
 
+	if (hw->mac.type == e1000_i211)
+		return -EOPNOTSUPP;
+
 	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 		return -EFAULT;
 
@@ -887,6 +893,36 @@ struct igb_reg_test {
 #define TABLE64_TEST_LO	5
 #define TABLE64_TEST_HI	6
 
+/* i210 reg test */
+static struct igb_reg_test reg_test_i210[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	/* RDH is read-only for i210, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
+						0x900FFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0, 0 }
+};
+
 /* i350 reg test */
 static struct igb_reg_test reg_test_i350[] = {
 	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
@@ -1109,6 +1145,11 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
 		test = reg_test_i350;
 		toggle = 0x7FEFF3FF;
 		break;
+	case e1000_i210:
+	case e1000_i211:
+		test = reg_test_i210;
+		toggle = 0x7FEFF3FF;
+		break;
 	case e1000_82580:
 		test = reg_test_82580;
 		toggle = 0x7FEFF3FF;
@@ -1190,23 +1231,13 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
 
 static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
 {
-	u16 temp;
-	u16 checksum = 0;
-	u16 i;
-
 	*data = 0;
-	/* Read and add up the contents of the EEPROM */
-	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
-		if ((adapter->hw.nvm.ops.read(&adapter->hw, i, 1, &temp)) < 0) {
-			*data = 1;
-			break;
-		}
-		checksum += temp;
-	}
 
-	/* If Checksum is not Correct return error else test passed */
-	if ((checksum != (u16) NVM_SUM) && !(*data))
-		*data = 2;
+	/* Validate eeprom on all parts but i211 */
+	if (adapter->hw.mac.type != e1000_i211) {
+		if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
+			*data = 2;
+	}
 
 	return *data;
 }
@@ -1272,6 +1303,8 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 		ics_mask = 0x77DCFED5;
 		break;
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		ics_mask = 0x77DCFED5;
 		break;
 	default:
@@ -1438,23 +1471,35 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 ctrl_reg = 0;
+	u16 phy_reg = 0;
 
 	hw->mac.autoneg = false;
 
-	if (hw->phy.type == e1000_phy_m88) {
+	switch (hw->phy.type) {
+	case e1000_phy_m88:
 		/* Auto-MDI/MDIX Off */
 		igb_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
 		/* reset to update Auto-MDI/MDIX */
 		igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
 		/* autoneg off */
 		igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
-	} else if (hw->phy.type == e1000_phy_82580) {
+		break;
+	case e1000_phy_82580:
 		/* enable MII loopback */
 		igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
+		break;
+	case e1000_phy_i210:
+		/* set loopback speed in PHY */
+		igb_read_phy_reg(hw, (GS40G_PAGE_SELECT & GS40G_PAGE_2),
+					&phy_reg);
+		phy_reg |= GS40G_MAC_SPEED_1G;
+		igb_write_phy_reg(hw, (GS40G_PAGE_SELECT & GS40G_PAGE_2),
+					phy_reg);
+		ctrl_reg = rd32(E1000_CTRL_EXT);
+	default:
+		break;
 	}
 
-	ctrl_reg = rd32(E1000_CTRL);
-
 	/* force 1000, set loopback */
 	igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
 
@@ -1467,7 +1512,7 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
 		     E1000_CTRL_FD |	 /* Force Duplex to FULL */
 		     E1000_CTRL_SLU);	 /* Set link up enable bit */
 
-	if (hw->phy.type == e1000_phy_m88)
+	if ((hw->phy.type == e1000_phy_m88) || (hw->phy.type == e1000_phy_i210))
 		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
 
 	wr32(E1000_CTRL, ctrl_reg);
@@ -1475,7 +1520,7 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
 	/* Disable the receiver on the PHY so when a cable is plugged in, the
 	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
 	 */
-	if (hw->phy.type == e1000_phy_m88)
+	if ((hw->phy.type == e1000_phy_m88) || (hw->phy.type == e1000_phy_i210))
 		igb_phy_disable_receiver(adapter);
 
 	udelay(500);
@@ -1740,6 +1785,14 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
 		*data = 0;
 		goto out;
 	}
+	if ((adapter->hw.mac.type == e1000_i210)
+		|| (adapter->hw.mac.type == e1000_i210)) {
+		dev_err(&adapter->pdev->dev,
+			"Loopback test not supported "
+			"on this part at this time.\n");
+		*data = 0;
+		goto out;
+	}
 	*data = igb_setup_desc_rings(adapter);
 	if (*data)
 		goto out;

drivers/net/ethernet/intel/igb/igb_main.c

@@ -75,6 +75,11 @@ static const struct e1000_info *igb_info_tbl[] = {
 };
 
 static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I211_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SGMII), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 },
@@ -641,6 +646,8 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 	case e1000_82575:
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 	default:
 		for (; i < adapter->num_rx_queues; i++)
 			adapter->rx_ring[i]->reg_idx = rbase_offset + i;
@@ -727,8 +734,11 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		if (adapter->hw.mac.type >= e1000_82576)
 			set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags);
 
-		/* On i350, loopback VLAN packets have the tag byte-swapped. */
-		if (adapter->hw.mac.type == e1000_i350)
+		/*
+		 * On i350, i210, and i211, loopback VLAN packets
+		 * have the tag byte-swapped.
+		 * */
+		if (adapter->hw.mac.type >= e1000_i350)
 			set_bit(IGB_RING_FLAG_RX_LB_VLAN_BSWAP, &ring->flags);
 
 		adapter->rx_ring[i] = ring;
@@ -822,6 +832,8 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
 		break;
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		/*
 		 * On 82580 and newer adapters the scheme is similar to 82576
 		 * however instead of ordering column-major we have things
@@ -888,6 +900,8 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 	case e1000_82576:
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		/* Turn on MSI-X capability first, or our settings
 		 * won't stick.  And it will take days to debug. */
 		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
@@ -1034,6 +1048,11 @@ static int igb_set_interrupt_capability(struct igb_adapter *adapter)
 	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS))
 		numvecs += adapter->num_tx_queues;
 
+	/* i210 and i211 can only have 4 MSIX vectors for rx/tx queues. */
+	if ((adapter->hw.mac.type == e1000_i210)
+		|| (adapter->hw.mac.type == e1000_i211))
+		numvecs = 4;
+
 	/* store the number of vectors reserved for queues */
 	adapter->num_q_vectors = numvecs;
 
@@ -1041,6 +1060,7 @@ static int igb_set_interrupt_capability(struct igb_adapter *adapter)
 	numvecs++;
 	adapter->msix_entries = kcalloc(numvecs, sizeof(struct msix_entry),
 					GFP_KERNEL);
+
 	if (!adapter->msix_entries)
 		goto msi_only;
 
@@ -1631,6 +1651,8 @@ void igb_reset(struct igb_adapter *adapter)
 		pba &= E1000_RXPBS_SIZE_MASK_82576;
 		break;
 	case e1000_82575:
+	case e1000_i210:
+	case e1000_i211:
 	default:
 		pba = E1000_PBA_34K;
 		break;
@@ -1826,7 +1848,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	 */
 	if (pdev->is_virtfn) {
 		WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n",
-		     pci_name(pdev), pdev->vendor, pdev->device);
+			pci_name(pdev), pdev->vendor, pdev->device);
 		return -EINVAL;
 	}
 
@@ -1980,11 +2002,16 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	 * known good starting state */
 	hw->mac.ops.reset_hw(hw);
 
-	/* make sure the NVM is good */
-	if (hw->nvm.ops.validate(hw) < 0) {
-		dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
-		err = -EIO;
-		goto err_eeprom;
+	/*
+	 * make sure the NVM is good , i211 parts have special NVM that
+	 * doesn't contain a checksum
+	 */
+	if (hw->mac.type != e1000_i211) {
+		if (hw->nvm.ops.validate(hw) < 0) {
+			dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
+			err = -EIO;
+			goto err_eeprom;
+		}
 	}
 
 	/* copy the MAC address out of the NVM */
@@ -2118,6 +2145,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		adapter->num_rx_queues, adapter->num_tx_queues);
 	switch (hw->mac.type) {
 	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		igb_set_eee_i350(hw);
 		break;
 	default:
@@ -2244,9 +2273,14 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter)
 {
 #ifdef CONFIG_PCI_IOV
 	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
 	int old_vfs = igb_find_enabled_vfs(adapter);
 	int i;
 
+	/* Virtualization features not supported on i210 family. */
+	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))
+		return;
+
 	if (old_vfs) {
 		dev_info(&pdev->dev, "%d pre-allocated VFs found - override "
 			 "max_vfs setting of %d\n", old_vfs, max_vfs);
@@ -2258,6 +2292,7 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter)
 
 	adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
 				sizeof(struct vf_data_storage), GFP_KERNEL);
+
 	/* if allocation failed then we do not support SR-IOV */
 	if (!adapter->vf_data) {
 		adapter->vfs_allocated_count = 0;
@@ -2332,11 +2367,28 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 		} else
 			adapter->vfs_allocated_count = max_vfs;
 		break;
+	case e1000_i210:
+	case e1000_i211:
+		adapter->vfs_allocated_count = 0;
+		break;
 	default:
 		break;
 	}
 #endif /* CONFIG_PCI_IOV */
-	adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
+	switch (hw->mac.type) {
+	case e1000_i210:
+		adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES_I210,
+			num_online_cpus());
+		break;
+	case e1000_i211:
+		adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES_I211,
+			num_online_cpus());
+		break;
+	default:
+		adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES,
+		num_online_cpus());
+		break;
+	}
 	/* i350 cannot do RSS and SR-IOV at the same time */
 	if (hw->mac.type == e1000_i350 && adapter->vfs_allocated_count)
 		adapter->rss_queues = 1;
@@ -2366,7 +2418,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 	/* Explicitly disable IRQ since the NIC can be in any state. */
 	igb_irq_disable(adapter);
 
-	if (hw->mac.type == e1000_i350)
+	if (hw->mac.type >= e1000_i350)
 		adapter->flags &= ~IGB_FLAG_DMAC;
 
 	set_bit(__IGB_DOWN, &adapter->state);
@@ -2819,6 +2871,17 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 
 	/* Don't need to set TUOFL or IPOFL, they default to 1 */
 	wr32(E1000_RXCSUM, rxcsum);
+	/*
+	 * Generate RSS hash based on TCP port numbers and/or
+	 * IPv4/v6 src and dst addresses since UDP cannot be
+	 * hashed reliably due to IP fragmentation
+	 */
+
+	mrqc = E1000_MRQC_RSS_FIELD_IPV4 |
+	       E1000_MRQC_RSS_FIELD_IPV4_TCP |
+	       E1000_MRQC_RSS_FIELD_IPV6 |
+	       E1000_MRQC_RSS_FIELD_IPV6_TCP |
+	       E1000_MRQC_RSS_FIELD_IPV6_TCP_EX;
 
 	/* If VMDq is enabled then we set the appropriate mode for that, else
 	 * we default to RSS so that an RSS hash is calculated per packet even
@@ -2834,25 +2897,15 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 			wr32(E1000_VT_CTL, vtctl);
 		}
 		if (adapter->rss_queues > 1)
-			mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
+			mrqc |= E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
 		else
-			mrqc = E1000_MRQC_ENABLE_VMDQ;
+			mrqc |= E1000_MRQC_ENABLE_VMDQ;
 	} else {
-		mrqc = E1000_MRQC_ENABLE_RSS_4Q;
+		if (hw->mac.type != e1000_i211)
+			mrqc |= E1000_MRQC_ENABLE_RSS_4Q;
 	}
 	igb_vmm_control(adapter);
 
-	/*
-	 * Generate RSS hash based on TCP port numbers and/or
-	 * IPv4/v6 src and dst addresses since UDP cannot be
-	 * hashed reliably due to IP fragmentation
-	 */
-	mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
-		E1000_MRQC_RSS_FIELD_IPV4_TCP |
-		E1000_MRQC_RSS_FIELD_IPV6 |
-		E1000_MRQC_RSS_FIELD_IPV6_TCP |
-		E1000_MRQC_RSS_FIELD_IPV6_TCP_EX;
-
 	wr32(E1000_MRQC, mrqc);
 }
 
@@ -3454,7 +3507,7 @@ static void igb_set_rx_mode(struct net_device *netdev)
 	 * we will have issues with VLAN tag stripping not being done for frames
 	 * that are only arriving because we are the default pool
 	 */
-	if (hw->mac.type < e1000_82576)
+	if ((hw->mac.type < e1000_82576) || (hw->mac.type > e1000_i350))
 		return;
 
 	vmolr |= rd32(E1000_VMOLR(vfn)) &
@@ -3551,7 +3604,7 @@ static bool igb_thermal_sensor_event(struct e1000_hw *hw, u32 event)
 	bool ret = false;
 	u32 ctrl_ext, thstat;
 
-	/* check for thermal sensor event on i350, copper only */
+	/* check for thermal sensor event on i350 copper only */
 	if (hw->mac.type == e1000_i350) {
 		thstat = rd32(E1000_THSTAT);
 		ctrl_ext = rd32(E1000_CTRL_EXT);
@@ -7027,6 +7080,8 @@ static void igb_vmm_control(struct igb_adapter *adapter)
 
 	switch (hw->mac.type) {
 	case e1000_82575:
+	case e1000_i210:
+	case e1000_i211:
 	default:
 		/* replication is not supported for 82575 */
 		return;

drivers/net/ethernet/intel/igb/igb_ptp.c

@@ -262,6 +262,8 @@ void igb_ptp_init(struct igb_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 
 	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
 	case e1000_i350:
 	case e1000_82580:
 		adapter->caps.owner	= THIS_MODULE;
@@ -362,6 +364,8 @@ void igb_systim_to_hwtstamp(struct igb_adapter *adapter,
 	unsigned long flags;
 
 	switch (adapter->hw.mac.type) {
+	case e1000_i210:
+	case e1000_i211:
 	case e1000_i350:
 	case e1000_82580:
 	case e1000_82576: