1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) Marvell International Ltd. and its affiliates 4 */ 5 6 #include <common.h> 7 #include <spl.h> 8 #include <asm/io.h> 9 #include <asm/arch/cpu.h> 10 #include <asm/arch/soc.h> 11 12 #include "high_speed_env_spec.h" 13 #include "sys_env_lib.h" 14 15 u8 selectors_serdes_rev1_map[LAST_SERDES_TYPE][MAX_SERDES_LANES] = { 16 /* 0 1 2 3 4 5 */ 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 */ 33 }; 34 35 int hws_serdes_seq_init(void) 36 { 37 DEBUG_INIT_FULL_S("\n### serdes_seq_init ###\n"); 38 39 if (hws_serdes_seq_db_init() != MV_OK) { 40 printf("hws_serdes_seq_init: Error: Serdes initialization fail\n"); 41 return MV_FAIL; 42 } 43 44 return MV_OK; 45 } 46 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) 52 { 53 return MV_NOT_SUPPORTED; 54 } 55 56 u32 hws_serdes_silicon_ref_clock_get(void) 57 { 58 DEBUG_INIT_FULL_S("\n### hws_serdes_silicon_ref_clock_get ###\n"); 59 60 return REF_CLOCK_25MHZ; 61 } 62 63 u32 hws_serdes_get_max_lane(void) 64 { 65 switch (sys_env_device_id_get()) { 66 case MV_6811: /* A381/A3282: 6811/6821: single/dual cpu */ 67 return 4; 68 case MV_6810: 69 return 5; 70 case MV_6820: 71 case MV_6828: 72 return 6; 73 default: /* not the right module */ 74 printf("%s: Device ID Error, using 4 SerDes lanes\n", 75 __func__); 76 return 4; 77 } 78 return 6; 79 } 80 81 int hws_is_serdes_active(u8 lane_num) 82 { 83 int ret = 1; 84 85 /* Maximum lane count for A388 (6828) is 6 */ 86 if (lane_num > 6) 87 ret = 0; 88 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", 92 __func__); 93 return 0; 94 } 95 96 /* 97 * 6th Lane (#5) on Device 6810 is Active, even though 6810 98 * has only 5 lanes 99 */ 100 if (sys_env_device_id_get() == MV_6810 && lane_num == 5) 101 return 1; 102 103 if (lane_num >= hws_serdes_get_max_lane()) 104 ret = 0; 105 106 return ret; 107 } 108 109 int hws_get_ext_base_addr(u32 serdes_num, u32 base_addr, u32 unit_base_offset, 110 u32 *unit_base_reg, u32 *unit_offset) 111 { 112 *unit_base_reg = base_addr; 113 *unit_offset = unit_base_offset; 114 115 return MV_OK; 116 } 117 118 /* 119 * hws_serdes_get_phy_selector_val 120 * 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 125 * OUTPUT: None 126 * RETURN: 127 * Mapping of Serdes Selector values 128 */ 129 u32 hws_serdes_get_phy_selector_val(int serdes_num, 130 enum serdes_type serdes_type) 131 { 132 if (serdes_type >= LAST_SERDES_TYPE) 133 return 0xff; 134 135 if (hws_ctrl_serdes_rev_get() == MV_SERDES_REV_1_2) { 136 return selectors_serdes_rev1_map 137 [serdes_type][serdes_num]; 138 } else 139 return selectors_serdes_rev2_map 140 [serdes_type][serdes_num]; 141 } 142 143 u32 hws_get_physical_serdes_num(u32 serdes_num) 144 { 145 if ((serdes_num == 4) && (sys_env_device_id_get() == MV_6810)) { 146 /* 147 * For 6810, there are 5 Serdes and Serdes Num 4 doesn't 148 * exist. Instead Serdes Num 5 is connected. 149 */ 150 return 5; 151 } else { 152 return serdes_num; 153 } 154 } 155
