DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
- /**
+ /*
* mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
* 3bits client num.
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
- /**
+ /*
* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 -
* COS0 entry, 4 - COS1 entry.
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* defines which entries (clients) are subjected to WFQ arbitration */
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
- /**
- * For strict priority entries defines the number of consecutive
- * slots for the highest priority.
- */
+ /*
+ * For strict priority entries defines the number of consecutive
+ * slots for the highest priority.
+ */
REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
- /**
+ /*
* mapping between the CREDIT_WEIGHT registers and actual client
* numbers
*/
REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
/* ETS mode disable */
REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
- /**
+ /*
* If ETS mode is enabled (there is no strict priority) defines a WFQ
* weight for COS0/COS1.
*/
/* ETS disabled configuration */
struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
- /**
- * defines which entries (clients) are subjected to WFQ arbitration
- * COS0 0x8
- * COS1 0x10
- */
+ /*
+ * defines which entries (clients) are subjected to WFQ arbitration
+ * COS0 0x8
+ * COS1 0x10
+ */
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
- /**
- * mapping between the ARB_CREDIT_WEIGHT registers and actual
- * client numbers (WEIGHT_0 does not actually have to represent
- * client 0)
- * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
- * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
- */
+ /*
+ * mapping between the ARB_CREDIT_WEIGHT registers and actual
+ * client numbers (WEIGHT_0 does not actually have to represent
+ * client 0)
+ * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
+ * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
+ */
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
- /**
- * Bitmap of 5bits length. Each bit specifies whether the entry behaves
- * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
- * entry, 4 - COS1 entry.
- * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
- * bit4 bit3 bit2 bit1 bit0
- * MCP and debug are strict
- */
+ /*
+ * Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
+ * entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
u32 val = 0;
DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
- /**
+ /*
* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries,
* 3 - COS0 entry, 4 - COS1 entry.
* MCP and debug are strict
*/
REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
- /**
+ /*
* For strict priority entries defines the number of consecutive slots
* for the highest priority.
*/
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
- /**
- * mapping between entry priority to client number (0,1,2 -debug and
- * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
- * 3bits client num.
- * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
- * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
- * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
- */
+ /*
+ * mapping between entry priority to client number (0,1,2 -debug and
+ * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
+ * 3bits client num.
+ * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
+ * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
+ * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
+ */
val = (0 == strict_cos) ? 0x2318 : 0x22E0;
REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
- /**
- * Setting this bit causes MAC control frames (except for pause
- * frames) to be passed on for processing. This setting has no
- * affect on the operation of the pause frames. This bit effects
- * all packets regardless of RX Parser packet sorting logic.
- * Turn the PFC off to make sure we are in Xon state before
- * enabling it.
- */
+ /*
+ * Setting this bit causes MAC control frames (except for pause
+ * frames) to be passed on for processing. This setting has no
+ * affect on the operation of the pause frames. This bit effects
+ * all packets regardless of RX Parser packet sorting logic.
+ * Turn the PFC off to make sure we are in Xon state before
+ * enabling it.
+ */
EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
DP(NETIF_MSG_LINK, "PFC is enabled\n");
REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
- /**
- * Set Time (based unit is 512 bit time) between automatic
- * re-sending of PP packets amd enable automatic re-send of
- * Per-Priroity Packet as long as pp_gen is asserted and
- * pp_disable is low.
- */
+ /*
+ * Set Time (based unit is 512 bit time) between automatic
+ * re-sending of PP packets amd enable automatic re-send of
+ * Per-Priroity Packet as long as pp_gen is asserted and
+ * pp_disable is low.
+ */
val = 0x8000;
if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
val |= (1<<16); /* enable automatic re-send */
full_xon_th =
PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
}
- /* The number of free blocks below which the pause signal to class 0
- of MAC #n is asserted. n=0,1 */
+ /*
+ * The number of free blocks below which the pause signal to class 0
+ * of MAC #n is asserted. n=0,1
+ */
REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
- /* The number of free blocks above which the pause signal to class 0
- of MAC #n is de-asserted. n=0,1 */
+ /*
+ * The number of free blocks above which the pause signal to class 0
+ * of MAC #n is de-asserted. n=0,1
+ */
REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
- /* The number of free blocks below which the full signal to class 0
- of MAC #n is asserted. n=0,1 */
+ /*
+ * The number of free blocks below which the full signal to class 0
+ * of MAC #n is asserted. n=0,1
+ */
REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
- /* The number of free blocks above which the full signal to class 0
- of MAC #n is de-asserted. n=0,1 */
+ /*
+ * The number of free blocks above which the full signal to class 0
+ * of MAC #n is de-asserted. n=0,1
+ */
REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
if (set_pfc && pfc_params) {
full_xon_th =
PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
}
- /**
+ /*
* The number of free blocks below which the pause signal to
* class 1 of MAC #n is asserted. n=0,1
- **/
+ */
REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
- /**
+ /*
* The number of free blocks above which the pause signal to
* class 1 of MAC #n is de-asserted. n=0,1
- **/
+ */
REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
- /**
+ /*
* The number of free blocks below which the full signal to
* class 1 of MAC #n is asserted. n=0,1
- **/
+ */
REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
- /**
+ /*
* The number of free blocks above which the full signal to
* class 1 of MAC #n is de-asserted. n=0,1
- **/
+ */
REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
}
}
FEATURE_CONFIG_PFC_ENABLED;
DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
- /**
+ /*
* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
* MAC control frames (that are not pause packets)
* will be forwarded to the XCM.
xcm_mask = REG_RD(bp,
port ? NIG_REG_LLH1_XCM_MASK :
NIG_REG_LLH0_XCM_MASK);
- /**
+ /*
* nig params will override non PFC params, since it's possible to
* do transition from PFC to SAFC
*/
struct link_vars *vars,
struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
- /**
+ /*
* The PFC and pause are orthogonal to one another, meaning when
* PFC is enabled, the pause are disabled, and when PFC is
* disabled, pause are set according to the pause result.
return 0;
}
+/*
+ * get_emac_base
+ *
+ * @param cb
+ * @param mdc_mdio_access
+ * @param port
+ *
+ * @return u32
+ *
+ * This function selects the MDC/MDIO access (through emac0 or
+ * emac1) depend on the mdc_mdio_access, port, port swapped. Each
+ * phy has a default access mode, which could also be overridden
+ * by nvram configuration. This parameter, whether this is the
+ * default phy configuration, or the nvram overrun
+ * configuration, is passed here as mdc_mdio_access and selects
+ * the emac_base for the CL45 read/writes operations
+ */
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
u32 mdc_mdio_access, u8 port)
{
}
+/******************************************************************/
+/* CL45 access functions */
+/******************************************************************/
u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
u8 devad, u16 reg, u16 val)
{
u32 tmp, saved_mode;
u8 i, rc = 0;
-
- /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
+ /*
+ * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
* (a value of 49==0x31) and make sure that the AUTO poll is off
*/
u32 val, saved_mode;
u16 i;
u8 rc = 0;
-
- /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
+ /*
+ * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
* (a value of 49==0x31) and make sure that the AUTO poll is off
*/
u8 devad, u16 reg, u16 *ret_val)
{
u8 phy_index;
- /**
+ /*
* Probe for the phy according to the given phy_addr, and execute
* the read request on it
*/
u8 devad, u16 reg, u16 val)
{
u8 phy_index;
- /**
+ /*
* Probe for the phy according to the given phy_addr, and execute
* the write request on it
*/
struct bnx2x_phy *phy)
{
struct bnx2x *bp = params->bp;
- /* Each two bits represents a lane number:
- No swap is 0123 => 0x1b no need to enable the swap */
+ /*
+ * Each two bits represents a lane number:
+ * No swap is 0123 => 0x1b no need to enable the swap
+ */
u16 ser_lane, rx_lane_swap, tx_lane_swap;
ser_lane = ((params->lane_config &
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
- /* program speed
- - needed only if the speed is greater than 1G (2.5G or 10G) */
+ /*
+ * program speed
+ * - needed only if the speed is greater than 1G (2.5G or 10G)
+ */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, ®_val);
{
struct bnx2x *bp = params->bp;
*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
- /* resolve pause mode and advertisement
- * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
+ /*
+ * Resolve pause mode and advertisement.
+ * Please refer to Table 28B-3 of the 802.3ab-1999 spec
+ */
switch (phy->req_flow_ctrl) {
case BNX2X_FLOW_CTRL_AUTO:
"ustat_val(0x8371) = 0x%x\n", ustat_val);
return;
}
- /* Step 3: Check CL37 Message Pages received to indicate LP
- supports only CL37 */
+ /*
+ * Step 3: Check CL37 Message Pages received to indicate LP
+ * supports only CL37
+ */
CL22_RD_OVER_CL45(bp, phy,
MDIO_REG_BANK_REMOTE_PHY,
MDIO_REMOTE_PHY_MISC_RX_STATUS,
cl37_fsm_recieved);
return;
}
- /* The combined cl37/cl73 fsm state information indicating that we are
- connected to a device which does not support cl73, but does support
- cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
+ /*
+ * The combined cl37/cl73 fsm state information indicating that
+ * we are connected to a device which does not support cl73, but
+ * does support cl37 BAM. In this case we disable cl73 and
+ * restart cl37 auto-neg
+ */
+
/* Disable CL73 */
CL22_WR_OVER_CL45(bp, phy,
MDIO_REG_BANK_CL73_IEEEB0,
u32 mask;
struct bnx2x *bp = params->bp;
- /* setting the status to report on link up
- for either XGXS or SerDes */
-
+ /* Setting the status to report on link up for either XGXS or SerDes */
if (params->switch_cfg == SWITCH_CFG_10G) {
mask = (NIG_MASK_XGXS0_LINK10G |
NIG_MASK_XGXS0_LINK_STATUS);
{
u32 latch_status = 0;
- /**
+ /*
* Disable the MI INT ( external phy int ) by writing 1 to the
* status register. Link down indication is high-active-signal,
* so in this case we need to write the status to clear the XOR
struct bnx2x *bp = params->bp;
u8 port = params->port;
- /* first reset all status
- * we assume only one line will be change at a time */
+ /*
+ * First reset all status we assume only one line will be
+ * change at a time
+ */
bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
(NIG_STATUS_XGXS0_LINK10G |
NIG_STATUS_XGXS0_LINK_STATUS |
NIG_STATUS_SERDES0_LINK_STATUS));
if (vars->phy_link_up) {
if (is_10g) {
- /* Disable the 10G link interrupt
- * by writing 1 to the status register
+ /*
+ * Disable the 10G link interrupt by writing 1 to the
+ * status register
*/
DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
bnx2x_bits_en(bp,
NIG_STATUS_XGXS0_LINK10G);
} else if (params->switch_cfg == SWITCH_CFG_10G) {
- /* Disable the link interrupt
- * by writing 1 to the relevant lane
- * in the status register
+ /*
+ * Disable the link interrupt by writing 1 to the
+ * relevant lane in the status register
*/
u32 ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
} else { /* SerDes */
DP(NETIF_MSG_LINK, "SerDes phy link up\n");
- /* Disable the link interrupt
- * by writing 1 to the status register
+ /*
+ * Disable the link interrupt by writing 1 to the status
+ * register
*/
bnx2x_bits_en(bp,
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
break;
case LED_MODE_OPER:
- /**
+ /*
* For all other phys, OPER mode is same as ON, so in case
* link is down, do nothing
- **/
+ */
if (!vars->link_up)
break;
case LED_MODE_ON:
if (params->phy[EXT_PHY1].type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
CHIP_IS_E2(bp) && params->num_phys == 2) {
- /**
- * This is a work-around for E2+8727 Configurations
- */
+ /*
+ * This is a work-around for E2+8727 Configurations
+ */
if (mode == LED_MODE_ON ||
speed == SPEED_10000){
REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
return rc;
}
} else if (SINGLE_MEDIA_DIRECT(params)) {
- /**
- * This is a work-around for HW issue found when link
- * is up in CL73
- */
+ /*
+ * This is a work-around for HW issue found when link
+ * is up in CL73
+ */
REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
} else {
(speed == SPEED_1000) ||
(speed == SPEED_100) ||
(speed == SPEED_10))) {
- /* On Everest 1 Ax chip versions for speeds less than
- 10G LED scheme is different */
+ /*
+ * On Everest 1 Ax chip versions for speeds less than
+ * 10G LED scheme is different
+ */
REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
+ port*4, 1);
REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
}
-/**
+/*
* This function comes to reflect the actual link state read DIRECTLY from the
* HW
*/
u8 rc = 0;
u8 phy_index, non_ext_phy;
struct bnx2x *bp = params->bp;
- /**
- * In case of external phy existence, the line speed would be the
- * line speed linked up by the external phy. In case it is direct
- * only, then the line_speed during initialization will be
- * equal to the req_line_speed
- */
+ /*
+ * In case of external phy existence, the line speed would be the
+ * line speed linked up by the external phy. In case it is direct
+ * only, then the line_speed during initialization will be
+ * equal to the req_line_speed
+ */
vars->line_speed = params->phy[INT_PHY].req_line_speed;
- /**
+ /*
* Initialize the internal phy in case this is a direct board
* (no external phys), or this board has external phy which requires
* to first.
if (!non_ext_phy)
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
- /**
+ /*
* No need to initialize second phy in case of first
* phy only selection. In case of second phy, we do
* need to initialize the first phy, since they are
* connected.
- **/
+ */
if (phy_index == EXT_PHY2 &&
(bnx2x_phy_selection(params) ==
PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
- DP(NETIF_MSG_LINK, "Not initializing"
- "second phy\n");
+ DP(NETIF_MSG_LINK, "Ignoring second phy\n");
continue;
}
params->phy[phy_index].config_init(
msleep(20);
return rc;
}
-/**
+/*
* The bnx2x_link_update function should be called upon link
* interrupt.
* Link is considered up as follows:
/* disable emac */
REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
- /**
- * Step 1:
- * Check external link change only for external phys, and apply
- * priority selection between them in case the link on both phys
- * is up. Note that the instead of the common vars, a temporary
- * vars argument is used since each phy may have different link/
- * speed/duplex result
- */
+ /*
+ * Step 1:
+ * Check external link change only for external phys, and apply
+ * priority selection between them in case the link on both phys
+ * is up. Note that the instead of the common vars, a temporary
+ * vars argument is used since each phy may have different link/
+ * speed/duplex result
+ */
for (phy_index = EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
struct bnx2x_phy *phy = ¶ms->phy[phy_index];
switch (bnx2x_phy_selection(params)) {
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
- /**
+ /*
* In this option, the first PHY makes sure to pass the
* traffic through itself only.
* Its not clear how to reset the link on the second phy
- **/
+ */
active_external_phy = EXT_PHY1;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
- /**
+ /*
* In this option, the first PHY makes sure to pass the
* traffic through the second PHY.
- **/
+ */
active_external_phy = EXT_PHY2;
break;
default:
- /**
+ /*
* Link indication on both PHYs with the following cases
* is invalid:
* - FIRST_PHY means that second phy wasn't initialized,
* - SECOND_PHY means that first phy should not be able
* to link up by itself (using configuration)
* - DEFAULT should be overriden during initialiazation
- **/
+ */
DP(NETIF_MSG_LINK, "Invalid link indication"
"mpc=0x%x. DISABLING LINK !!!\n",
params->multi_phy_config);
}
}
prev_line_speed = vars->line_speed;
- /**
- * Step 2:
- * Read the status of the internal phy. In case of
- * DIRECT_SINGLE_MEDIA board, this link is the external link,
- * otherwise this is the link between the 577xx and the first
- * external phy
- */
+ /*
+ * Step 2:
+ * Read the status of the internal phy. In case of
+ * DIRECT_SINGLE_MEDIA board, this link is the external link,
+ * otherwise this is the link between the 577xx and the first
+ * external phy
+ */
if (params->phy[INT_PHY].read_status)
params->phy[INT_PHY].read_status(
¶ms->phy[INT_PHY],
params, vars);
- /**
+ /*
* The INT_PHY flow control reside in the vars. This include the
* case where the speed or flow control are not set to AUTO.
* Otherwise, the active external phy flow control result is set
*/
if (active_external_phy > INT_PHY) {
vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
- /**
+ /*
* Link speed is taken from the XGXS. AN and FC result from
* the external phy.
*/
vars->link_status |= phy_vars[active_external_phy].link_status;
- /**
+ /*
* if active_external_phy is first PHY and link is up - disable
* disable TX on second external PHY
*/
DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
" ext_phy_line_speed = %d\n", vars->flow_ctrl,
vars->link_status, ext_phy_line_speed);
- /**
+ /*
* Upon link speed change set the NIG into drain mode. Comes to
* deals with possible FIFO glitch due to clk change when speed
* is decreased without link down indicator
bnx2x_link_int_ack(params, vars, link_10g);
- /**
- * In case external phy link is up, and internal link is down
- * (not initialized yet probably after link initialization, it
- * needs to be initialized.
- * Note that after link down-up as result of cable plug, the xgxs
- * link would probably become up again without the need
- * initialize it
- */
+ /*
+ * In case external phy link is up, and internal link is down
+ * (not initialized yet probably after link initialization, it
+ * needs to be initialized.
+ * Note that after link down-up as result of cable plug, the xgxs
+ * link would probably become up again without the need
+ * initialize it
+ */
if (!(SINGLE_MEDIA_DIRECT(params))) {
DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
" init_preceding = %d\n", ext_phy_link_up,
vars);
}
}
- /**
- * Link is up only if both local phy and external phy (in case of
- * non-direct board) are up
+ /*
+ * Link is up only if both local phy and external phy (in case of
+ * non-direct board) are up
*/
vars->link_up = (vars->phy_link_up &&
(ext_phy_link_up ||
}
/* XAUI workaround in 8073 A0: */
- /* After loading the boot ROM and restarting Autoneg,
- poll Dev1, Reg $C820: */
+ /*
+ * After loading the boot ROM and restarting Autoneg, poll
+ * Dev1, Reg $C820:
+ */
for (cnt = 0; cnt < 1000; cnt++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
&val);
- /* If bit [14] = 0 or bit [13] = 0, continue on with
- system initialization (XAUI work-around not required,
- as these bits indicate 2.5G or 1G link up). */
+ /*
+ * If bit [14] = 0 or bit [13] = 0, continue on with
+ * system initialization (XAUI work-around not required, as
+ * these bits indicate 2.5G or 1G link up).
+ */
if (!(val & (1<<14)) || !(val & (1<<13))) {
DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
return 0;
} else if (!(val & (1<<15))) {
- DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
- /* If bit 15 is 0, then poll Dev1, Reg $C841 until
- it's MSB (bit 15) goes to 1 (indicating that the
- XAUI workaround has completed),
- then continue on with system initialization.*/
+ DP(NETIF_MSG_LINK, "bit 15 went off\n");
+ /*
+ * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
+ * MSB (bit15) goes to 1 (indicating that the XAUI
+ * workaround has completed), then continue on with
+ * system initialization.
+ */
for (cnt1 = 0; cnt1 < 1000; cnt1++) {
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
- /**
- * If this is forced speed, set to KR or KX (all other are not
- * supported)
- */
/* Swap polarity if required - Must be done only in non-1G mode */
if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
/* Configure the 8073 to swap _P and _N of the KR lines */
val = (1<<7);
} else if (phy->req_line_speed == SPEED_2500) {
val = (1<<5);
- /* Note that 2.5G works only
- when used with 1G advertisment */
+ /*
+ * Note that 2.5G works only when used with 1G
+ * advertisment
+ */
} else
val = (1<<5);
} else {
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
val |= (1<<7);
- /* Note that 2.5G works only when
- used with 1G advertisment */
+ /* Note that 2.5G works only when used with 1G advertisment */
if (phy->speed_cap_mask &
(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
/* Add support for CL37 (passive mode) III */
bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
- /* The SNR will improve about 2db by changing
- BW and FEE main tap. Rest commands are executed
- after link is up*/
+ /*
+ * The SNR will improve about 2db by changing BW and FEE main
+ * tap. Rest commands are executed after link is up
+ * Change FFE main cursor to 5 in EDC register
+ */
if (bnx2x_8073_is_snr_needed(bp, phy))
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
- /* The SNR will improve about 2dbby
- changing the BW and FEE main tap.*/
- /* The 1st write to change FFE main
- tap is set before restart AN */
- /* Change PLL Bandwidth in EDC
- register */
+ /*
+ * The SNR will improve about 2dbby changing the BW and FEE main
+ * tap. The 1st write to change FFE main tap is set before
+ * restart AN. Change PLL Bandwidth in EDC register
+ */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
0x26BC);
bnx2x_cl45_read(bp, phy,
MDIO_XS_DEVAD,
MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
- /**
- * Set bit 3 to invert Rx in 1G mode and clear this bit
- * when it`s in 10G mode.
- */
+ /*
+ * Set bit 3 to invert Rx in 1G mode and clear this bit
+ * when it`s in 10G mode.
+ */
if (vars->line_speed == SPEED_1000) {
DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
"the 8073\n");
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
0x8002);
- /* Wait appropriate time for two-wire command to finish before
- polling the status register */
+ /*
+ * Wait appropriate time for two-wire command to finish before
+ * polling the status register
+ */
msleep(1);
/* Wait up to 500us for command complete status */
{
u8 copper_module_type;
- /* Check if its active cable( includes SFP+ module)
- of passive cable*/
+ /*
+ * Check if its active cable (includes SFP+ module)
+ * of passive cable
+ */
if (bnx2x_read_sfp_module_eeprom(phy,
params,
SFP_EEPROM_FC_TX_TECH_ADDR,
DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
return 0;
}
-/* This function read the relevant field from the module ( SFP+ ),
- and verify it is compliant with this board */
+/*
+ * 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 bnx2x_phy *phy,
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 ) */
+ /*
+ * 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(phy, params, 1, 1, &val)
== 0) {
/* Make sure GPIOs are not using for LED mode */
u16 val;
/*
- * In the GPIO register, bit 4 is use to detemine if the GPIOs are
+ * In the GPIO register, bit 4 is use to determine if the GPIOs are
* operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
* output
* Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
* Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
* where the 1st bit is the over-current(only input), and 2nd bit is
* for power( only output )
- */
-
- /*
+ *
* In case of NOC feature is disabled and power is up, set GPIO control
* as input to enable listening of over-current indication
*/
DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
- /* Changing to LRM mode takes quite few seconds.
- So do it only if current mode is limiting
- ( default is LRM )*/
+ /*
+ * Changing to LRM mode takes quite few seconds. So do it only
+ * if current mode is limiting (default is LRM)
+ */
if (cur_limiting_mode != EDC_MODE_LIMITING)
return 0;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
bnx2x_8727_power_module(bp, phy, 1);
- /* Check and set limiting mode / LRM mode on 8726.
- On 8727 it is done automatically */
+ /*
+ * Check and set limiting mode / LRM mode on 8726. On 8727 it
+ * is done automatically
+ */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
else
MISC_REGISTERS_GPIO_HIGH,
params->port);
- /* Get current gpio val refelecting module plugged in / out*/
+ /* Get current gpio val reflecting module plugged in / out*/
gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
/* Call the handling function in case module is detected */
bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
port);
- /* Module was plugged out. */
- /* Disable transmit for this module */
+ /*
+ * Module was plugged out.
+ * Disable transmit for this module
+ */
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
" link_status 0x%x\n", rx_sd, pcs_status, val2);
- /* link is up if both bit 0 of pmd_rx_sd and
- * bit 0 of pcs_status are set, or if the autoneg bit
- * 1 is set
+ /*
+ * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
+ * are set, or if the autoneg bit 1 is set
*/
link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
if (link_up) {
bnx2x_8726_external_rom_boot(phy, params);
- /* Need to call module detected on initialization since
- the module detection triggered by actual module
- insertion might occur before driver is loaded, and when
- driver is loaded, it reset all registers, including the
- transmitter */
+ /*
+ * Need to call module detected on initialization since the module
+ * detection triggered by actual module insertion might occur before
+ * driver is loaded, and when driver is loaded, it reset all
+ * registers, including the transmitter
+ */
bnx2x_sfp_module_detection(phy, params);
if (phy->req_line_speed == SPEED_1000) {
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
- /* Enable RX-ALARM control to receive
- interrupt for 1G speed change */
+ /*
+ * Enable RX-ALARM control to receive interrupt for 1G speed
+ * change
+ */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
bnx2x_cl45_write(bp, phy,
struct link_params *params) {
u32 swap_val, swap_override;
u8 port;
- /**
+ /*
* The PHY reset is controlled by GPIO 1. Fake the port number
* to cancel the swap done in set_gpio()
*/
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
- /* Initially configure MOD_ABS to interrupt when
- module is presence( bit 8) */
+ /*
+ * Initially configure MOD_ABS to interrupt when module is
+ * presence( bit 8)
+ */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
- /* Set EDC off by setting OPTXLOS signal input to low
- (bit 9).
- When the EDC is off it locks onto a reference clock and
- avoids becoming 'lost'.*/
+ /*
+ * Set EDC off by setting OPTXLOS signal input to low (bit 9).
+ * When the EDC is off it locks onto a reference clock and avoids
+ * becoming 'lost'
+ */
mod_abs &= ~(1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs &= ~(1<<9);
if (phy->flags & FLAGS_NOC)
val |= (3<<5);
- /**
+ /*
* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
* status which reflect SFP+ module over-current
*/
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
- /**
+ /*
* Power down the XAUI until link is up in case of dual-media
* and 1G
*/
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
} else {
- /**
+ /*
* Since the 8727 has only single reset pin, need to set the 10G
* registers although it is default
*/
0x0008);
}
- /* Set 2-wire transfer rate of SFP+ module EEPROM
+ /*
+ * Set 2-wire transfer rate of SFP+ module EEPROM
* to 100Khz since some DACs(direct attached cables) do
* not work at 400Khz.
*/
DP(NETIF_MSG_LINK, "MOD_ABS indication "
"show module is absent\n");
- /* 1. Set mod_abs to detect next module
- presence event
- 2. Set EDC off by setting OPTXLOS signal input to low
- (bit 9).
- When the EDC is off it locks onto a reference clock and
- avoids becoming 'lost'.*/
+ /*
+ * 1. Set mod_abs to detect next module
+ * presence event
+ * 2. Set EDC off by setting OPTXLOS signal input to low
+ * (bit 9).
+ * When the EDC is off it locks onto a reference clock and
+ * avoids becoming 'lost'.
+ */
mod_abs &= ~(1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs &= ~(1<<9);
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
- /* Clear RX alarm since it stays up as long as
- the mod_abs wasn't changed */
+ /*
+ * Clear RX alarm since it stays up as long as
+ * the mod_abs wasn't changed
+ */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
/* Module is present */
DP(NETIF_MSG_LINK, "MOD_ABS indication "
"show module is present\n");
- /* First thing, disable transmitter,
- and if the module is ok, the
- module_detection will enable it*/
-
- /* 1. Set mod_abs to detect next module
- absent event ( bit 8)
- 2. Restore the default polarity of the OPRXLOS signal and
- this signal will then correctly indicate the presence or
- absence of the Rx signal. (bit 9) */
+ /*
+ * First disable transmitter, and if the module is ok, the
+ * module_detection will enable it
+ * 1. Set mod_abs to detect next module absent event ( bit 8)
+ * 2. Restore the default polarity of the OPRXLOS signal and
+ * this signal will then correctly indicate the presence or
+ * absence of the Rx signal. (bit 9)
+ */
mod_abs |= (1<<8);
if (!(phy->flags & FLAGS_NOC))
mod_abs |= (1<<9);
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
- /* Clear RX alarm since it stays up as long as
- the mod_abs wasn't changed. This is need to be done
- before calling the module detection, otherwise it will clear
- the link update alarm */
+ /*
+ * Clear RX alarm since it stays up as long as the mod_abs
+ * wasn't changed. This is need to be done before calling the
+ * module detection, otherwise it will clear* the link update
+ * alarm
+ */
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
}
DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
- rx_alarm_status);
- /* No need to check link status in case of
- module plugged in/out */
+ rx_alarm_status);
+ /* No need to check link status in case of module plugged in/out */
}
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
- /**
+ /*
* If a module is present and there is need to check
* for over current
*/
" Please remove the SFP+ module and"
" restart the system to clear this"
" error.\n",
- params->port);
-
- /*
- * Disable all RX_ALARMs except for
- * mod_abs
- */
+ params->port);
+ /* Disable all RX_ALARMs except for mod_abs */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
- /* Bits 0..2 --> speed detected,
- bits 13..15--> link is down */
+ /*
+ * Bits 0..2 --> speed detected,
+ * Bits 13..15--> link is down
+ */
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
link_up = 1;
vars->line_speed = SPEED_10000;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
+ params->port);
} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
link_up = 1;
vars->line_speed = SPEED_1000;
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, &val1);
- /**
+ /*
* In case of dual-media board and 1G, power up the XAUI side,
* otherwise power it down. For 10G it is done automatically
*/
{
struct bnx2x *bp = params->bp;
u16 autoneg_val, an_1000_val, an_10_100_val;
-
+ /*
+ * This phy uses the NIG latch mechanism since link indication
+ * arrives through its LED4 and not via its LASI signal, so we
+ * get steady signal instead of clear on read
+ */
bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
1 << NIG_LATCH_BC_ENABLE_MI_INT);
bnx2x_wait_reset_complete(bp, phy);
/* Wait for GPHY to come out of reset */
msleep(50);
- /* BCM84823 requires that XGXS links up first @ 10G for normal
- behavior */
+ /*
+ * BCM84823 requires that XGXS links up first @ 10G for normal behavior
+ */
temp = vars->line_speed;
vars->line_speed = SPEED_10000;
bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
if (!((val &
MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
>> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
- DP(NETIF_MSG_LINK, "Seting LINK_SIGNAL\n");
+ DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
val2, val1);
link_up = ((val1 & 4) == 4);
- /* if link is up
- * print the AN outcome of the SFX7101 PHY
- */
+ /* if link is up print the AN outcome of the SFX7101 PHY */
if (link_up) {
bnx2x_cl45_read(bp, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
/* Get the 4 lanes xgxs config rx and tx */
u32 rx = 0, tx = 0, i;
for (i = 0; i < 2; i++) {
- /**
+ /*
* INT_PHY and EXT_PHY1 share the same value location in the
* shmem. When num_phys is greater than 1, than this value
* applies only to EXT_PHY1
phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
- /**
- * The shmem address of the phy version is located on different
- * structures. In case this structure is too old, do not set
- * the address
- */
+ /*
+ * The shmem address of the phy version is located on different
+ * structures. In case this structure is too old, do not set
+ * the address
+ */
config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
dev_info.shared_hw_config.config2));
if (phy_index == EXT_PHY1) {
}
phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
- /**
+ /*
* In case mdc/mdio_access of the external phy is different than the
* mdc/mdio access of the XGXS, a HW lock must be taken in each access
* to prevent one port interfere with another port's CL45 operations.
(val | 1<<10));
}
- /* Toggle Transmitter: Power down and then up with 600ms
- delay between */
+ /*
+ * Toggle Transmitter: Power down and then up with 600ms delay
+ * between
+ */
msleep(600);
/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- /* GPIO1 affects both ports, so there's need to pull
- it for single port alone */
+ /*
+ * GPIO1 affects both ports, so there's need to pull
+ * it for single port alone
+ */
rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
default:
DP(NETIF_MSG_LINK,
- "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
- ext_phy_type);
+ "ext_phy 0x%x common init not required\n",
+ ext_phy_type);
break;
}
projects / platform / kernel / linux-rpi.git / commitdiff