1 /* Copyright 2008-2013 Broadcom Corporation
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
13 * Written by Yaniv Rosner
22 /***********************************************************/
24 /***********************************************************/
25 #define DEFAULT_PHY_DEV_ADDR 3
26 #define E2_DEFAULT_PHY_DEV_ADDR 5
30 #define BNX2X_FLOW_CTRL_AUTO PORT_FEATURE_FLOW_CONTROL_AUTO
31 #define BNX2X_FLOW_CTRL_TX PORT_FEATURE_FLOW_CONTROL_TX
32 #define BNX2X_FLOW_CTRL_RX PORT_FEATURE_FLOW_CONTROL_RX
33 #define BNX2X_FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH
34 #define BNX2X_FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE
36 #define NET_SERDES_IF_XFI 1
37 #define NET_SERDES_IF_SFI 2
38 #define NET_SERDES_IF_KR 3
39 #define NET_SERDES_IF_DXGXS 4
41 #define SPEED_AUTO_NEG 0
42 #define SPEED_20000 20000
44 #define I2C_DEV_ADDR_A0 0xa0
45 #define I2C_DEV_ADDR_A2 0xa2
47 #define SFP_EEPROM_PAGE_SIZE 16
48 #define SFP_EEPROM_VENDOR_NAME_ADDR 0x14
49 #define SFP_EEPROM_VENDOR_NAME_SIZE 16
50 #define SFP_EEPROM_VENDOR_OUI_ADDR 0x25
51 #define SFP_EEPROM_VENDOR_OUI_SIZE 3
52 #define SFP_EEPROM_PART_NO_ADDR 0x28
53 #define SFP_EEPROM_PART_NO_SIZE 16
54 #define SFP_EEPROM_REVISION_ADDR 0x38
55 #define SFP_EEPROM_REVISION_SIZE 4
56 #define SFP_EEPROM_SERIAL_ADDR 0x44
57 #define SFP_EEPROM_SERIAL_SIZE 16
58 #define SFP_EEPROM_DATE_ADDR 0x54 /* ASCII YYMMDD */
59 #define SFP_EEPROM_DATE_SIZE 6
60 #define SFP_EEPROM_DIAG_TYPE_ADDR 0x5c
61 #define SFP_EEPROM_DIAG_TYPE_SIZE 1
62 #define SFP_EEPROM_DIAG_ADDR_CHANGE_REQ (1<<2)
63 #define SFP_EEPROM_SFF_8472_COMP_ADDR 0x5e
64 #define SFP_EEPROM_SFF_8472_COMP_SIZE 1
66 #define SFP_EEPROM_A2_CHECKSUM_RANGE 0x5e
67 #define SFP_EEPROM_A2_CC_DMI_ADDR 0x5f
69 #define PWR_FLT_ERR_MSG_LEN 250
71 #define XGXS_EXT_PHY_TYPE(ext_phy_config) \
72 ((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
73 #define XGXS_EXT_PHY_ADDR(ext_phy_config) \
74 (((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
75 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
76 #define SERDES_EXT_PHY_TYPE(ext_phy_config) \
77 ((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)
79 /* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */
80 #define SINGLE_MEDIA_DIRECT(params) (params->num_phys == 1)
81 /* Single Media board contains single external phy */
82 #define SINGLE_MEDIA(params) (params->num_phys == 2)
83 /* Dual Media board contains two external phy with different media */
84 #define DUAL_MEDIA(params) (params->num_phys == 3)
86 #define FW_PARAM_PHY_ADDR_MASK 0x000000FF
87 #define FW_PARAM_PHY_TYPE_MASK 0x0000FF00
88 #define FW_PARAM_MDIO_CTRL_MASK 0xFFFF0000
89 #define FW_PARAM_MDIO_CTRL_OFFSET 16
90 #define FW_PARAM_PHY_ADDR(fw_param) (fw_param & \
91 FW_PARAM_PHY_ADDR_MASK)
92 #define FW_PARAM_PHY_TYPE(fw_param) (fw_param & \
93 FW_PARAM_PHY_TYPE_MASK)
94 #define FW_PARAM_MDIO_CTRL(fw_param) ((fw_param & \
95 FW_PARAM_MDIO_CTRL_MASK) >> \
96 FW_PARAM_MDIO_CTRL_OFFSET)
97 #define FW_PARAM_SET(phy_addr, phy_type, mdio_access) \
98 (phy_addr | phy_type | mdio_access << FW_PARAM_MDIO_CTRL_OFFSET)
101 #define PFC_BRB_FULL_LB_XOFF_THRESHOLD 170
102 #define PFC_BRB_FULL_LB_XON_THRESHOLD 250
104 #define MAXVAL(a, b) (((a) > (b)) ? (a) : (b))
106 #define BMAC_CONTROL_RX_ENABLE 2
107 /***********************************************************/
109 /***********************************************************/
115 /* Same configuration is shared between the XGXS and the first external phy */
116 #define LINK_CONFIG_SIZE (MAX_PHYS - 1)
117 #define LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == INT_PHY) ? \
119 /***********************************************************/
120 /* bnx2x_phy struct */
121 /* Defines the required arguments and function per phy */
122 /***********************************************************/
127 typedef u8 (*config_init_t
)(struct bnx2x_phy
*phy
, struct link_params
*params
,
128 struct link_vars
*vars
);
129 typedef u8 (*read_status_t
)(struct bnx2x_phy
*phy
, struct link_params
*params
,
130 struct link_vars
*vars
);
131 typedef void (*link_reset_t
)(struct bnx2x_phy
*phy
,
132 struct link_params
*params
);
133 typedef void (*config_loopback_t
)(struct bnx2x_phy
*phy
,
134 struct link_params
*params
);
135 typedef u8 (*format_fw_ver_t
)(u32 raw
, u8
*str
, u16
*len
);
136 typedef void (*hw_reset_t
)(struct bnx2x_phy
*phy
, struct link_params
*params
);
137 typedef void (*set_link_led_t
)(struct bnx2x_phy
*phy
,
138 struct link_params
*params
, u8 mode
);
139 typedef void (*phy_specific_func_t
)(struct bnx2x_phy
*phy
,
140 struct link_params
*params
, u32 action
);
141 struct bnx2x_reg_set
{
150 /* Loaded during init */
154 /* No Over-Current detection */
155 #define FLAGS_NOC (1<<1)
156 /* Fan failure detection required */
157 #define FLAGS_FAN_FAILURE_DET_REQ (1<<2)
158 /* Initialize first the XGXS and only then the phy itself */
159 #define FLAGS_INIT_XGXS_FIRST (1<<3)
160 #define FLAGS_WC_DUAL_MODE (1<<4)
161 #define FLAGS_4_PORT_MODE (1<<5)
162 #define FLAGS_REARM_LATCH_SIGNAL (1<<6)
163 #define FLAGS_SFP_NOT_APPROVED (1<<7)
164 #define FLAGS_MDC_MDIO_WA (1<<8)
165 #define FLAGS_DUMMY_READ (1<<9)
166 #define FLAGS_MDC_MDIO_WA_B0 (1<<10)
167 #define FLAGS_TX_ERROR_CHECK (1<<12)
168 #define FLAGS_EEE (1<<13)
169 #define FLAGS_MDC_MDIO_WA_G (1<<15)
171 /* preemphasis values for the rx side */
172 u16 rx_preemphasis
[4];
174 /* preemphasis values for the tx side */
175 u16 tx_preemphasis
[4];
177 /* EMAC address for access MDIO */
183 #define ETH_PHY_UNSPECIFIED 0x0
184 #define ETH_PHY_SFPP_10G_FIBER 0x1
185 #define ETH_PHY_XFP_FIBER 0x2
186 #define ETH_PHY_DA_TWINAX 0x3
187 #define ETH_PHY_BASE_T 0x4
188 #define ETH_PHY_SFP_1G_FIBER 0x5
189 #define ETH_PHY_KR 0xf0
190 #define ETH_PHY_CX4 0xf1
191 #define ETH_PHY_NOT_PRESENT 0xff
193 /* The address in which version is located*/
204 /* Called per phy/port init, and it configures LASI, speed, autoneg,
205 duplex, flow control negotiation, etc. */
206 config_init_t config_init
;
208 /* Called due to interrupt. It determines the link, speed */
209 read_status_t read_status
;
211 /* Called when driver is unloading. Should reset the phy */
212 link_reset_t link_reset
;
214 /* Set the loopback configuration for the phy */
215 config_loopback_t config_loopback
;
217 /* Format the given raw number into str up to len */
218 format_fw_ver_t format_fw_ver
;
220 /* Reset the phy (both ports) */
223 /* Set link led mode (on/off/oper)*/
224 set_link_led_t set_link_led
;
226 /* PHY Specific tasks */
227 phy_specific_func_t phy_specific_func
;
233 /* Inputs parameters to the CLC */
238 /* Default / User Configuration */
240 #define LOOPBACK_NONE 0
241 #define LOOPBACK_EMAC 1
242 #define LOOPBACK_BMAC 2
243 #define LOOPBACK_XGXS 3
244 #define LOOPBACK_EXT_PHY 4
245 #define LOOPBACK_EXT 5
246 #define LOOPBACK_UMAC 6
247 #define LOOPBACK_XMAC 7
249 /* Device parameters */
252 u16 req_duplex
[LINK_CONFIG_SIZE
];
253 u16 req_flow_ctrl
[LINK_CONFIG_SIZE
];
255 u16 req_line_speed
[LINK_CONFIG_SIZE
]; /* Also determine AutoNeg */
257 /* shmem parameters */
260 u32 speed_cap_mask
[LINK_CONFIG_SIZE
];
262 #define SWITCH_CFG_1G PORT_FEATURE_CON_SWITCH_1G_SWITCH
263 #define SWITCH_CFG_10G PORT_FEATURE_CON_SWITCH_10G_SWITCH
264 #define SWITCH_CFG_AUTO_DETECT PORT_FEATURE_CON_SWITCH_AUTO_DETECT
268 /* Phy register parameter */
272 u32 feature_config_flags
;
273 #define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0)
274 #define FEATURE_CONFIG_PFC_ENABLED (1<<1)
275 #define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY (1<<2)
276 #define FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY (1<<3)
277 #define FEATURE_CONFIG_BC_SUPPORTS_AFEX (1<<8)
278 #define FEATURE_CONFIG_AUTOGREEEN_ENABLED (1<<9)
279 #define FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED (1<<10)
280 #define FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET (1<<11)
281 #define FEATURE_CONFIG_MT_SUPPORT (1<<13)
282 #define FEATURE_CONFIG_BOOT_FROM_SAN (1<<14)
284 /* Will be populated during common init */
285 struct bnx2x_phy phy
[MAX_PHYS
];
287 /* Will be populated during common init */
292 /* Used to configure the EEE Tx LPI timer, has several modes of
293 * operation, according to bits 29:28 -
294 * 2'b00: Timer will be configured by nvram, output will be the value
296 * 2'b01: Timer will be configured by nvram, output will be in
298 * 2'b10: bits 1:0 contain an nvram value which will be used instead
299 * of the one located in the nvram. Output will be that value.
300 * 2'b11: bits 19:0 contain the idle timer in microseconds; output
301 * will be in microseconds.
302 * Bits 31:30 should be 2'b11 in order for EEE to be enabled.
305 #define EEE_MODE_NVRAM_BALANCED_TIME (0xa00)
306 #define EEE_MODE_NVRAM_AGGRESSIVE_TIME (0x100)
307 #define EEE_MODE_NVRAM_LATENCY_TIME (0x6000)
308 #define EEE_MODE_NVRAM_MASK (0x3)
309 #define EEE_MODE_TIMER_MASK (0xfffff)
310 #define EEE_MODE_OUTPUT_TIME (1<<28)
311 #define EEE_MODE_OVERRIDE_NVRAM (1<<29)
312 #define EEE_MODE_ENABLE_LPI (1<<30)
313 #define EEE_MODE_ADV_LPI (1<<31)
315 u16 hw_led_mode
; /* part of the hw_config read from the shmem */
316 u32 multi_phy_config
;
318 /* Device pointer passed to all callback functions */
320 u16 req_fc_auto_adv
; /* Should be set to TX / BOTH when
321 req_flow_ctrl is set to AUTO */
323 #define LINK_FLAGS_INT_DISABLED (1<<0)
324 #define PHY_INITIALIZED (1<<1)
328 /* Output parameters */
331 #define PHY_XGXS_FLAG (1<<0)
332 #define PHY_SGMII_FLAG (1<<1)
333 #define PHY_PHYSICAL_LINK_FLAG (1<<2)
334 #define PHY_HALF_OPEN_CONN_FLAG (1<<3)
335 #define PHY_OVER_CURRENT_FLAG (1<<4)
336 #define PHY_SFP_TX_FAULT_FLAG (1<<5)
339 #define MAC_TYPE_NONE 0
340 #define MAC_TYPE_EMAC 1
341 #define MAC_TYPE_BMAC 2
342 #define MAC_TYPE_UMAC 3
343 #define MAC_TYPE_XMAC 4
345 u8 phy_link_up
; /* internal phy link indication */
354 /* The same definitions as the shmem parameter */
358 u8 check_kr2_recovery_cnt
;
359 #define CHECK_KR2_RECOVERY_CNT 5
361 #define PERIODIC_FLAGS_LINK_EVENT 0x0001
365 u8 turn_to_run_wc_rt
;
367 /* The same definitions as the shmem2 parameter */
371 /***********************************************************/
373 /***********************************************************/
374 int bnx2x_phy_init(struct link_params
*params
, struct link_vars
*vars
);
376 /* Reset the link. Should be called when driver or interface goes down
377 Before calling phy firmware upgrade, the reset_ext_phy should be set
379 int bnx2x_link_reset(struct link_params
*params
, struct link_vars
*vars
,
381 int bnx2x_lfa_reset(struct link_params
*params
, struct link_vars
*vars
);
382 /* bnx2x_link_update should be called upon link interrupt */
383 int bnx2x_link_update(struct link_params
*params
, struct link_vars
*vars
);
385 /* use the following phy functions to read/write from external_phy
386 In order to use it to read/write internal phy registers, use
387 DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as
389 int bnx2x_phy_read(struct link_params
*params
, u8 phy_addr
,
390 u8 devad
, u16 reg
, u16
*ret_val
);
392 int bnx2x_phy_write(struct link_params
*params
, u8 phy_addr
,
393 u8 devad
, u16 reg
, u16 val
);
395 /* Reads the link_status from the shmem,
396 and update the link vars accordingly */
397 void bnx2x_link_status_update(struct link_params
*input
,
398 struct link_vars
*output
);
399 /* returns string representing the fw_version of the external phy */
400 int bnx2x_get_ext_phy_fw_version(struct link_params
*params
, u8
*version
,
404 Basically, the CLC takes care of the led for the link, but in case one needs
405 to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to
406 blink the led, and LED_MODE_OFF to set the led off.*/
407 int bnx2x_set_led(struct link_params
*params
,
408 struct link_vars
*vars
, u8 mode
, u32 speed
);
409 #define LED_MODE_OFF 0
410 #define LED_MODE_ON 1
411 #define LED_MODE_OPER 2
412 #define LED_MODE_FRONT_PANEL_OFF 3
414 /* bnx2x_handle_module_detect_int should be called upon module detection
416 void bnx2x_handle_module_detect_int(struct link_params
*params
);
418 /* Get the actual link status. In case it returns 0, link is up,
419 otherwise link is down*/
420 int bnx2x_test_link(struct link_params
*params
, struct link_vars
*vars
,
423 /* One-time initialization for external phy after power up */
424 int bnx2x_common_init_phy(struct bnx2x
*bp
, u32 shmem_base_path
[],
425 u32 shmem2_base_path
[], u32 chip_id
);
427 /* Reset the external PHY using GPIO */
428 void bnx2x_ext_phy_hw_reset(struct bnx2x
*bp
, u8 port
);
430 /* Reset the external of SFX7101 */
431 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x
*bp
, struct bnx2x_phy
*phy
);
433 /* Read "byte_cnt" bytes from address "addr" from the SFP+ EEPROM */
434 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy
*phy
,
435 struct link_params
*params
, u8 dev_addr
,
436 u16 addr
, u16 byte_cnt
, u8
*o_buf
);
438 void bnx2x_hw_reset_phy(struct link_params
*params
);
440 /* Check swap bit and adjust PHY order */
441 u32
bnx2x_phy_selection(struct link_params
*params
);
443 /* Probe the phys on board, and populate them in "params" */
444 int bnx2x_phy_probe(struct link_params
*params
);
446 /* Checks if fan failure detection is required on one of the phys on board */
447 u8
bnx2x_fan_failure_det_req(struct bnx2x
*bp
, u32 shmem_base
,
448 u32 shmem2_base
, u8 port
);
450 /* Open / close the gate between the NIG and the BRB */
451 void bnx2x_set_rx_filter(struct link_params
*params
, u8 en
);
455 /* Number of maximum COS per chip */
456 #define DCBX_E2E3_MAX_NUM_COS (2)
457 #define DCBX_E3B0_MAX_NUM_COS_PORT0 (6)
458 #define DCBX_E3B0_MAX_NUM_COS_PORT1 (3)
459 #define DCBX_E3B0_MAX_NUM_COS ( \
460 MAXVAL(DCBX_E3B0_MAX_NUM_COS_PORT0, \
461 DCBX_E3B0_MAX_NUM_COS_PORT1))
463 #define DCBX_MAX_NUM_COS ( \
464 MAXVAL(DCBX_E3B0_MAX_NUM_COS, \
465 DCBX_E2E3_MAX_NUM_COS))
467 /* PFC port configuration params */
468 struct bnx2x_nig_brb_pfc_port_params
{
473 u32 pkt_priority_to_cos
;
474 u8 num_of_rx_cos_priority_mask
;
475 u32 rx_cos_priority_mask
[DCBX_MAX_NUM_COS
];
476 u32 llfc_high_priority_classes
;
477 u32 llfc_low_priority_classes
;
481 /* ETS port configuration params */
482 struct bnx2x_ets_bw_params
{
486 struct bnx2x_ets_sp_params
{
488 * valid values are 0 - 5. 0 is highest strict priority.
489 * There can't be two COS's with the same pri.
494 enum bnx2x_cos_state
{
495 bnx2x_cos_state_strict
= 0,
496 bnx2x_cos_state_bw
= 1,
499 struct bnx2x_ets_cos_params
{
500 enum bnx2x_cos_state state
;
502 struct bnx2x_ets_bw_params bw_params
;
503 struct bnx2x_ets_sp_params sp_params
;
507 struct bnx2x_ets_params
{
508 u8 num_of_cos
; /* Number of valid COS entries*/
509 struct bnx2x_ets_cos_params cos
[DCBX_MAX_NUM_COS
];
512 /* Used to update the PFC attributes in EMAC, BMAC, NIG and BRB
513 * when link is already up
515 int bnx2x_update_pfc(struct link_params
*params
,
516 struct link_vars
*vars
,
517 struct bnx2x_nig_brb_pfc_port_params
*pfc_params
);
520 /* Used to configure the ETS to disable */
521 int bnx2x_ets_disabled(struct link_params
*params
,
522 struct link_vars
*vars
);
524 /* Used to configure the ETS to BW limited */
525 void bnx2x_ets_bw_limit(const struct link_params
*params
, const u32 cos0_bw
,
528 /* Used to configure the ETS to strict */
529 int bnx2x_ets_strict(const struct link_params
*params
, const u8 strict_cos
);
532 /* Configure the COS to ETS according to BW and SP settings.*/
533 int bnx2x_ets_e3b0_config(const struct link_params
*params
,
534 const struct link_vars
*vars
,
535 struct bnx2x_ets_params
*ets_params
);
537 void bnx2x_init_mod_abs_int(struct bnx2x
*bp
, struct link_vars
*vars
,
538 u32 chip_id
, u32 shmem_base
, u32 shmem2_base
,
541 void bnx2x_period_func(struct link_params
*params
, struct link_vars
*vars
);
543 #endif /* BNX2X_LINK_H */