1 /* Copyright 2008-2010 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
29 #define BNX2X_FLOW_CTRL_AUTO PORT_FEATURE_FLOW_CONTROL_AUTO
30 #define BNX2X_FLOW_CTRL_TX PORT_FEATURE_FLOW_CONTROL_TX
31 #define BNX2X_FLOW_CTRL_RX PORT_FEATURE_FLOW_CONTROL_RX
32 #define BNX2X_FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH
33 #define BNX2X_FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE
35 #define SPEED_AUTO_NEG 0
36 #define SPEED_12000 12000
37 #define SPEED_12500 12500
38 #define SPEED_13000 13000
39 #define SPEED_15000 15000
40 #define SPEED_16000 16000
42 #define SFP_EEPROM_VENDOR_NAME_ADDR 0x14
43 #define SFP_EEPROM_VENDOR_NAME_SIZE 16
44 #define SFP_EEPROM_VENDOR_OUI_ADDR 0x25
45 #define SFP_EEPROM_VENDOR_OUI_SIZE 3
46 #define SFP_EEPROM_PART_NO_ADDR 0x28
47 #define SFP_EEPROM_PART_NO_SIZE 16
48 #define PWR_FLT_ERR_MSG_LEN 250
50 #define XGXS_EXT_PHY_TYPE(ext_phy_config) \
51 ((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
52 #define XGXS_EXT_PHY_ADDR(ext_phy_config) \
53 (((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
54 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
55 #define SERDES_EXT_PHY_TYPE(ext_phy_config) \
56 ((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)
58 /* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */
59 #define SINGLE_MEDIA_DIRECT(params) (params->num_phys == 1)
60 /* Single Media board contains single external phy */
61 #define SINGLE_MEDIA(params) (params->num_phys == 2)
62 /* Dual Media board contains two external phy with different media */
63 #define DUAL_MEDIA(params) (params->num_phys == 3)
64 #define FW_PARAM_MDIO_CTRL_OFFSET 16
65 #define FW_PARAM_SET(phy_addr, phy_type, mdio_access) \
66 (phy_addr | phy_type | mdio_access << FW_PARAM_MDIO_CTRL_OFFSET)
67 /***********************************************************/
69 /***********************************************************/
75 /* Same configuration is shared between the XGXS and the first external phy */
76 #define LINK_CONFIG_SIZE (MAX_PHYS - 1)
77 #define LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == INT_PHY) ? \
79 /***********************************************************/
80 /* bnx2x_phy struct */
81 /* Defines the required arguments and function per phy */
82 /***********************************************************/
87 typedef u8 (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params,
88 struct link_vars *vars);
89 typedef u8 (*read_status_t)(struct bnx2x_phy *phy, struct link_params *params,
90 struct link_vars *vars);
91 typedef void (*link_reset_t)(struct bnx2x_phy *phy,
92 struct link_params *params);
93 typedef void (*config_loopback_t)(struct bnx2x_phy *phy,
94 struct link_params *params);
95 typedef u8 (*format_fw_ver_t)(u32 raw, u8 *str, u16 *len);
96 typedef void (*hw_reset_t)(struct bnx2x_phy *phy, struct link_params *params);
97 typedef void (*set_link_led_t)(struct bnx2x_phy *phy,
98 struct link_params *params, u8 mode);
99 typedef void (*phy_specific_func_t)(struct bnx2x_phy *phy,
100 struct link_params *params, u32 action);
105 /* Loaded during init */
109 /* Require HW lock */
110 #define FLAGS_HW_LOCK_REQUIRED (1<<0)
111 /* No Over-Current detection */
112 #define FLAGS_NOC (1<<1)
113 /* Fan failure detection required */
114 #define FLAGS_FAN_FAILURE_DET_REQ (1<<2)
115 /* Initialize first the XGXS and only then the phy itself */
116 #define FLAGS_INIT_XGXS_FIRST (1<<3)
117 #define FLAGS_REARM_LATCH_SIGNAL (1<<6)
118 #define FLAGS_SFP_NOT_APPROVED (1<<7)
122 /* preemphasis values for the rx side */
123 u16 rx_preemphasis[4];
125 /* preemphasis values for the tx side */
126 u16 tx_preemphasis[4];
128 /* EMAC address for access MDIO */
134 #define ETH_PHY_UNSPECIFIED 0x0
135 #define ETH_PHY_SFP_FIBER 0x1
136 #define ETH_PHY_XFP_FIBER 0x2
137 #define ETH_PHY_DA_TWINAX 0x3
138 #define ETH_PHY_BASE_T 0x4
139 #define ETH_PHY_NOT_PRESENT 0xff
141 /* The address in which version is located*/
152 /* Called per phy/port init, and it configures LASI, speed, autoneg,
153 duplex, flow control negotiation, etc. */
154 config_init_t config_init;
156 /* Called due to interrupt. It determines the link, speed */
157 read_status_t read_status;
159 /* Called when driver is unloading. Should reset the phy */
160 link_reset_t link_reset;
162 /* Set the loopback configuration for the phy */
163 config_loopback_t config_loopback;
165 /* Format the given raw number into str up to len */
166 format_fw_ver_t format_fw_ver;
168 /* Reset the phy (both ports) */
171 /* Set link led mode (on/off/oper)*/
172 set_link_led_t set_link_led;
174 /* PHY Specific tasks */
175 phy_specific_func_t phy_specific_func;
180 /* Inputs parameters to the CLC */
185 /* Default / User Configuration */
187 #define LOOPBACK_NONE 0
188 #define LOOPBACK_EMAC 1
189 #define LOOPBACK_BMAC 2
190 #define LOOPBACK_XGXS 3
191 #define LOOPBACK_EXT_PHY 4
192 #define LOOPBACK_EXT 5
194 /* Device parameters */
197 u16 req_duplex[LINK_CONFIG_SIZE];
198 u16 req_flow_ctrl[LINK_CONFIG_SIZE];
200 u16 req_line_speed[LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
202 /* shmem parameters */
205 u32 speed_cap_mask[LINK_CONFIG_SIZE];
207 #define SWITCH_CFG_1G PORT_FEATURE_CON_SWITCH_1G_SWITCH
208 #define SWITCH_CFG_10G PORT_FEATURE_CON_SWITCH_10G_SWITCH
209 #define SWITCH_CFG_AUTO_DETECT PORT_FEATURE_CON_SWITCH_AUTO_DETECT
213 /* Phy register parameter */
216 u32 feature_config_flags;
217 #define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0)
218 #define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY (1<<2)
219 #define FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY (1<<3)
220 /* Will be populated during common init */
221 struct bnx2x_phy phy[MAX_PHYS];
223 /* Will be populated during common init */
227 u16 hw_led_mode; /* part of the hw_config read from the shmem */
228 u32 multi_phy_config;
230 /* Device pointer passed to all callback functions */
232 u16 req_fc_auto_adv; /* Should be set to TX / BOTH when
233 req_flow_ctrl is set to AUTO */
236 /* Output parameters */
241 #define MAC_TYPE_NONE 0
242 #define MAC_TYPE_EMAC 1
243 #define MAC_TYPE_BMAC 2
245 u8 phy_link_up; /* internal phy link indication */
254 /* The same definitions as the shmem parameter */
258 /***********************************************************/
260 /***********************************************************/
261 u8 bnx2x_phy_init(struct link_params *input, struct link_vars *output);
263 /* Reset the link. Should be called when driver or interface goes down
264 Before calling phy firmware upgrade, the reset_ext_phy should be set
266 u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
269 /* bnx2x_link_update should be called upon link interrupt */
270 u8 bnx2x_link_update(struct link_params *input, struct link_vars *output);
272 /* use the following phy functions to read/write from external_phy
273 In order to use it to read/write internal phy registers, use
274 DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as
276 u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
277 u8 devad, u16 reg, u16 *ret_val);
279 u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
280 u8 devad, u16 reg, u16 val);
282 u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
283 u8 devad, u16 reg, u16 *ret_val);
285 u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
286 u8 devad, u16 reg, u16 val);
287 /* Reads the link_status from the shmem,
288 and update the link vars accordingly */
289 void bnx2x_link_status_update(struct link_params *input,
290 struct link_vars *output);
291 /* returns string representing the fw_version of the external phy */
292 u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
293 u8 *version, u16 len);
296 Basically, the CLC takes care of the led for the link, but in case one needs
297 to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to
298 blink the led, and LED_MODE_OFF to set the led off.*/
299 u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed);
300 #define LED_MODE_OFF 0
301 #define LED_MODE_OPER 2
303 u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, u32 led_idx, u32 value);
305 /* bnx2x_handle_module_detect_int should be called upon module detection
307 void bnx2x_handle_module_detect_int(struct link_params *params);
309 /* Get the actual link status. In case it returns 0, link is up,
310 otherwise link is down*/
311 u8 bnx2x_test_link(struct link_params *input, struct link_vars *vars,
314 /* One-time initialization for external phy after power up */
315 u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base);
317 /* Reset the external PHY using GPIO */
318 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port);
320 /* Reset the external of SFX7101 */
321 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy);
323 u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
324 struct link_params *params, u16 addr,
325 u8 byte_cnt, u8 *o_buf);
327 void bnx2x_hw_reset_phy(struct link_params *params);
329 /* Checks if HW lock is required for this phy/board type */
330 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base,
333 /* Returns the aggregative supported attributes of the phys on board */
334 u32 bnx2x_supported_attr(struct link_params *params, u8 phy_idx);
336 /* Check swap bit and adjust PHY order */
337 u32 bnx2x_phy_selection(struct link_params *params);
339 /* Probe the phys on board, and populate them in "params" */
340 u8 bnx2x_phy_probe(struct link_params *params);
341 /* Checks if fan failure detection is required on one of the phys on board */
342 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, u32 shmem_base,
343 u32 shmem2_base, u8 port);
345 #endif /* BNX2X_LINK_H */