1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) Marvell International Ltd. and its affiliates
9 #include <asm/arch/cpu.h>
10 #include <asm/arch/soc.h>
12 #include "high_speed_env_spec.h"
13 #include "sys_env_lib.h"
15 u8 selectors_serdes_rev1_map[LAST_SERDES_TYPE][MAX_SERDES_LANES] = {
17 {0x1, 0x1, NA, NA, NA, NA}, /* PEX0 */
18 {NA, 0x2, 0x1, NA, 0x1, NA}, /* PEX1 */
19 {NA, NA, 0x2, NA, NA, 0x1}, /* PEX2 */
20 {NA, NA, NA, 0x1, NA, NA}, /* PEX3 */
21 {0x2, 0x3, NA, NA, NA, NA}, /* SATA0 */
22 {NA, NA, 0x3, NA, 0x2, NA}, /* SATA1 */
23 {NA, NA, NA, NA, 0x6, 0x2}, /* SATA2 */
24 {NA, NA, NA, 0x3, NA, NA}, /* SATA3 */
25 {0x3, 0x4, NA, NA, NA, NA}, /* SGMII0 */
26 {NA, 0x5, 0x4, NA, 0x3, NA}, /* SGMII1 */
27 {NA, NA, NA, 0x4, NA, 0x3}, /* SGMII2 */
28 {NA, 0x7, NA, NA, NA, NA}, /* QSGMII */
29 {NA, 0x6, NA, NA, 0x4, NA}, /* USB3_HOST0 */
30 {NA, NA, NA, 0x5, NA, 0x4}, /* USB3_HOST1 */
31 {NA, NA, NA, 0x6, 0x5, 0x5}, /* USB3_DEVICE */
32 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0} /* DEFAULT_SERDES */
35 int hws_serdes_seq_init(void)
37 DEBUG_INIT_FULL_S("\n### serdes_seq_init ###\n");
39 if (hws_serdes_seq_db_init() != MV_OK) {
40 printf("hws_serdes_seq_init: Error: Serdes initialization fail\n");
47 int serdes_power_up_ctrl_ext(u32 serdes_num, int serdes_power_up,
48 enum serdes_type serdes_type,
49 enum serdes_speed baud_rate,
50 enum serdes_mode serdes_mode,
51 enum ref_clock ref_clock)
53 return MV_NOT_SUPPORTED;
56 u32 hws_serdes_silicon_ref_clock_get(void)
58 DEBUG_INIT_FULL_S("\n### hws_serdes_silicon_ref_clock_get ###\n");
60 return REF_CLOCK_25MHZ;
63 u32 hws_serdes_get_max_lane(void)
65 switch (sys_env_device_id_get()) {
66 case MV_6811: /* A381/A3282: 6811/6821: single/dual cpu */
73 default: /* not the right module */
74 printf("%s: Device ID Error, using 4 SerDes lanes\n",
81 int hws_is_serdes_active(u8 lane_num)
85 /* Maximum lane count for A388 (6828) is 6 */
89 /* 4th Lane (#4 on Device 6810 is not Active */
90 if (sys_env_device_id_get() == MV_6810 && lane_num == 4) {
91 printf("%s: Error: Lane#4 on Device 6810 is not Active.\n",
97 * 6th Lane (#5) on Device 6810 is Active, even though 6810
100 if (sys_env_device_id_get() == MV_6810 && lane_num == 5)
103 if (lane_num >= hws_serdes_get_max_lane())
109 int hws_get_ext_base_addr(u32 serdes_num, u32 base_addr, u32 unit_base_offset,
110 u32 *unit_base_reg, u32 *unit_offset)
112 *unit_base_reg = base_addr;
113 *unit_offset = unit_base_offset;
119 * hws_serdes_get_phy_selector_val
121 * DESCRIPTION: Get the mapping of Serdes Selector values according to the
122 * Serdes revision number
123 * INPUT: serdes_num - Serdes number
124 * serdes_type - Serdes type
127 * Mapping of Serdes Selector values
129 u32 hws_serdes_get_phy_selector_val(int serdes_num,
130 enum serdes_type serdes_type)
132 if (serdes_type >= LAST_SERDES_TYPE)
135 if (hws_ctrl_serdes_rev_get() == MV_SERDES_REV_1_2) {
136 return selectors_serdes_rev1_map
137 [serdes_type][serdes_num];
139 return selectors_serdes_rev2_map
140 [serdes_type][serdes_num];
143 u32 hws_get_physical_serdes_num(u32 serdes_num)
145 if ((serdes_num == 4) && (sys_env_device_id_get() == MV_6810)) {
147 * For 6810, there are 5 Serdes and Serdes Num 4 doesn't
148 * exist. Instead Serdes Num 5 is connected.