+ bnx2x_save_bcm_spirom_ver(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
+ ext_phy_addr,
+ shmem_base);
+}
+
+static void bnx2x_bcm8726_external_rom_boot(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u8 ext_phy_addr = ((params->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+
+ /* Need to wait 100ms after reset */
+ msleep(100);
+
+ /* Set serial boot control for external load */
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0001);
+
+ /* Micro controller re-boot */
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+
+ /* Set soft reset */
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
+
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL2,
+ 0x73A0);
+
+ /* Clear soft reset.
+ Will automatically reset micro-controller re-boot */
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+
+ /* wait for 150ms for microcode load */
+ msleep(150);
+
+ /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
+ bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0000);
+
+ msleep(200);
+ bnx2x_save_bcm_spirom_ver(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ params->shmem_base);
+}
+
+static void bnx2x_bcm8726_set_transmitter(struct bnx2x *bp, u8 port,
+ u8 ext_phy_addr, u8 tx_en)
+{
+ u16 val;
+ DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
+ tx_en, port);
+ /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ &val);
+
+ if (tx_en)
+ val &= ~(1<<15);
+ else
+ val |= (1<<15);
+
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ val);
+}
+
+
+static u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr,
+ u8 byte_cnt, u8 *o_buf) {
+ struct bnx2x *bp = params->bp;
+ u16 val, i;
+ u8 port = params->port;
+ u8 ext_phy_addr = ((params->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+ if (byte_cnt > 16) {
+ DP(NETIF_MSG_LINK, "Reading from eeprom is"
+ " is limited to 0xf\n");
+ return -EINVAL;
+ }
+ /* Set the read command byte count */
+ bnx2x_cl45_write(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_BYTE_CNT,
+ (byte_cnt | 0xa000));
+
+ /* Set the read command address */
+ bnx2x_cl45_write(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_MEM_ADDR,
+ addr);
+
+ /* Activate read command */
+ bnx2x_cl45_write(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_CTRL,
+ 0x2c0f);
+
+ /* Wait up to 500us for command complete status */
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_8726_TWO_WIRE_STATUS_COMPLETE)
+ break;
+ udelay(5);
+ }
+
+ if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) !=
+ MDIO_PMA_REG_8726_TWO_WIRE_STATUS_COMPLETE) {
+ DP(NETIF_MSG_LINK,
+ "Got bad status 0x%x when reading from SFP+ EEPROM\n",
+ (val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK));
+ return -EINVAL;
+ }
+
+ /* Read the buffer */
+ for (i = 0; i < byte_cnt; i++) {
+ bnx2x_cl45_read(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
+ o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
+ }
+
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_8726_TWO_WIRE_STATUS_IDLE)
+ return 0;;
+ msleep(1);
+ }
+ return -EINVAL;
+}
+
+
+static u8 bnx2x_get_sfp_module_type(struct link_params *params,
+ u8 *module_type)
+{
+ struct bnx2x *bp = params->bp;
+ u8 val;
+ *module_type = SFP_MODULE_TYPE_UNKNOWN;
+
+ /* First check for copper cable */
+ if (bnx2x_read_sfp_module_eeprom(params,
+ SFP_EEPROM_CON_TYPE_ADDR,
+ 1,
+ &val) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM");
+ return -EINVAL;
+ }
+
+ switch (val) {
+ case SFP_EEPROM_CON_TYPE_VAL_COPPER:
+ {
+ u8 copper_module_type;
+ /* Check if its active cable( includes SFP+ module)
+ of passive cable*/
+ if (bnx2x_read_sfp_module_eeprom(params,
+ SFP_EEPROM_FC_TX_TECH_ADDR,
+ 1,
+ &copper_module_type) !=
+ 0) {
+ DP(NETIF_MSG_LINK,
+ "Failed to read copper-cable-type"
+ " from SFP+ EEPROM\n");
+ return -EINVAL;
+ }
+
+ if (copper_module_type &
+ SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
+ DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
+ *module_type = SFP_MODULE_TYPE_ACTIVE_COPPER_CABLE;
+ } else if (copper_module_type &
+ SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
+ DP(NETIF_MSG_LINK, "Passive Copper"
+ " cable detected\n");
+ *module_type =
+ SFP_MODULE_TYPE_PASSIVE_COPPER_CABLE;
+ } else {
+ DP(NETIF_MSG_LINK, "Unknown copper-cable-"
+ "type 0x%x !!!\n", copper_module_type);
+ return -EINVAL;
+ }
+ break;
+ }
+ case SFP_EEPROM_CON_TYPE_VAL_LC:
+ DP(NETIF_MSG_LINK, "Optic module detected\n");
+ *module_type = SFP_MODULE_TYPE_LC;
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
+ val);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+
+/* This function read the relevant field from the module ( SFP+ ),
+ and verify it is compliant with this board */
+static u8 bnx2x_verify_sfp_module(struct link_params *params,
+ u8 module_type)
+{
+ struct bnx2x *bp = params->bp;
+ u8 *str_p, *tmp_buf;
+ u16 i;
+
+#define COMPLIANCE_STR_CNT 6
+ u8 *compliance_str[] = {"Broadcom", "JDSU", "Molex Inc", "PICOLIGHT",
+ "FINISAR CORP. ", "Amphenol"};
+ u8 buf[SFP_EEPROM_VENDOR_NAME_SIZE];
+ /* Passive Copper cables are allowed to participate,
+ since the module is hardwired to the copper cable */
+
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED)) {
+ DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
+ return 0;
+ }
+
+ if (module_type != SFP_MODULE_TYPE_LC) {
+ DP(NETIF_MSG_LINK, "No need to verify copper cable\n");
+ return 0;
+ }
+
+ /* In case of non copper cable or Active copper cable,
+ verify that the SFP+ module is compliant with this board*/
+ if (bnx2x_read_sfp_module_eeprom(params,
+ SFP_EEPROM_VENDOR_NAME_ADDR,
+ SFP_EEPROM_VENDOR_NAME_SIZE,
+ buf) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to read Vendor-Name from"
+ " module EEPROM\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < COMPLIANCE_STR_CNT; i++) {
+ str_p = compliance_str[i];
+ tmp_buf = buf;
+ while (*str_p) {
+ if ((u8)(*tmp_buf) != (u8)(*str_p))
+ break;
+ str_p++;
+ tmp_buf++;
+ }
+
+ if (!(*str_p)) {
+ DP(NETIF_MSG_LINK, "SFP+ Module verified, "
+ "index=%x\n", i);
+ return 0;
+ }
+ }
+ DP(NETIF_MSG_LINK, "Incompliant SFP+ module. Disable module !!!\n");
+ return -EINVAL;
+}
+
+
+static u8 bnx2x_bcm8726_set_limiting_mode(struct link_params *params,
+ u8 module_type)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u8 options[SFP_EEPROM_OPTIONS_SIZE];
+ u8 limiting_mode;
+ u8 ext_phy_addr = ((params->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ u16 cur_limiting_mode;
+ if (bnx2x_read_sfp_module_eeprom(params,
+ SFP_EEPROM_OPTIONS_ADDR,
+ SFP_EEPROM_OPTIONS_SIZE,
+ options) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to read Option field from"
+ " module EEPROM\n");
+ return -EINVAL;
+ }
+ limiting_mode = !(options[0] &
+ SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK);
+
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ &cur_limiting_mode);
+ DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
+ cur_limiting_mode);
+
+ if (limiting_mode &&
+ (module_type != SFP_MODULE_TYPE_PASSIVE_COPPER_CABLE)) {
+ DP(NETIF_MSG_LINK,
+ "Module options = 0x%x.Setting LIMITING MODE\n",
+ options[0]);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ SFP_LIMITING_MODE_VALUE);
+ } else { /* LRM mode ( default )*/
+
+ DP(NETIF_MSG_LINK, "Module options = 0x%x.Setting LRM MODE\n",
+ options[0]);
+
+ /* Changing to LRM mode takes quite few seconds.
+ So do it only if current mode is limiting
+ ( default is LRM )*/
+ if (cur_limiting_mode != SFP_LIMITING_MODE_VALUE)
+ return 0;
+
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LRM_MODE,
+ 0);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ 0x128);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL0,
+ 0x4008);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LRM_MODE,
+ 0xaaaa);
+ }
+ return 0;
+}
+
+static u8 bnx2x_wait_for_sfp_module_initialized(struct link_params *params)
+{
+ u8 val;
+ struct bnx2x *bp = params->bp;
+ u16 timeout;
+ /* Initialization time after hot-plug may take up to 300ms for some
+ phys type ( e.g. JDSU ) */
+ for (timeout = 0; timeout < 60; timeout++) {
+ if (bnx2x_read_sfp_module_eeprom(params, 1, 1, &val)
+ == 0) {
+ DP(NETIF_MSG_LINK, "SFP+ module initialization "
+ "took %d ms\n", timeout * 5);
+ return 0;
+ }
+ msleep(5);
+ }
+ return -EINVAL;
+}
+
+static u8 bnx2x_sfp_module_detection(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 module_type;
+ u8 ext_phy_addr = ((params->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+
+ if (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
+ DP(NETIF_MSG_LINK, "Module detection is not required "
+ "for this phy\n");
+ return 0;
+ }
+
+ DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
+ params->port);
+
+ if (bnx2x_get_sfp_module_type(params,
+ &module_type) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED)) {
+ /* In case module detection is disabled, it trys to
+ link up. The issue that can happen here is LRM /
+ LIMITING mode which set according to the module-type*/
+ DP(NETIF_MSG_LINK, "Unable to read module-type."
+ "Probably due to Bit Stretching."
+ " Proceeding...\n");
+ } else {
+ return -EINVAL;
+ }
+ } else if (bnx2x_verify_sfp_module(params, module_type) !=
+ 0) {
+ /* check SFP+ module compatibility */
+ DP(NETIF_MSG_LINK, "Module verification failed!!\n");
+ /* Turn on fault module-detected led */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
+ MISC_REGISTERS_GPIO_HIGH,
+ params->port);
+ return -EINVAL;
+ }
+
+ /* Turn off fault module-detected led */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
+ MISC_REGISTERS_GPIO_LOW,
+ params->port);
+
+ /* Check and set limiting mode / LRM mode */
+ bnx2x_bcm8726_set_limiting_mode(params, module_type);
+
+ /* Enable transmit for this module */
+ bnx2x_bcm8726_set_transmitter(bp, params->port,
+ ext_phy_addr, 1);
+ return 0;
+}
+
+void bnx2x_handle_module_detect_int(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u32 gpio_val;
+ u8 port = params->port;
+ /* Set valid module led off */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
+ MISC_REGISTERS_GPIO_HIGH,
+ params->port);
+
+ /* Get current gpio val refelecting module plugged in / out*/
+ gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
+
+ /* Call the handling function in case module is detected */
+ if (gpio_val == 0) {