1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2016 Freescale Semiconductor, Inc. 4 */ 5 6 #include <common.h> 7 #include <asm/arch/fsl_serdes.h> 8 #include <asm/arch/immap_lsch2.h> 9 10 struct serdes_config { 11 u32 protocol; 12 u8 lanes[SRDS_MAX_LANES]; 13 }; 14 15 static struct serdes_config serdes1_cfg_tbl[] = { 16 {0x2208, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, SATA1} }, 17 {0x0008, {NONE, NONE, NONE, SATA1} }, 18 {0x3508, {SGMII_FM1_DTSEC1, PCIE1, NONE, SATA1} }, 19 {0x3305, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 20 {0x2205, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, PCIE1} }, 21 {0x2305, {SGMII_2500_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 22 {0x9508, {TX_CLK, PCIE1, NONE, SATA1} }, 23 {0x3905, {SGMII_FM1_DTSEC1, TX_CLK, NONE, PCIE1} }, 24 {0x9305, {TX_CLK, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 25 {} 26 }; 27 28 static struct serdes_config *serdes_cfg_tbl[] = { 29 serdes1_cfg_tbl, 30 }; 31 32 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane) 33 { 34 struct serdes_config *ptr; 35 36 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl)) 37 return 0; 38 39 ptr = serdes_cfg_tbl[serdes]; 40 while (ptr->protocol) { 41 if (ptr->protocol == cfg) 42 return ptr->lanes[lane]; 43 ptr++; 44 } 45 46 return 0; 47 } 48 49 int is_serdes_prtcl_valid(int serdes, u32 prtcl) 50 { 51 int i; 52 struct serdes_config *ptr; 53 54 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl)) 55 return 0; 56 57 ptr = serdes_cfg_tbl[serdes]; 58 while (ptr->protocol) { 59 if (ptr->protocol == prtcl) 60 break; 61 ptr++; 62 } 63 64 if (!ptr->protocol) 65 return 0; 66 67 for (i = 0; i < SRDS_MAX_LANES; i++) { 68 if (ptr->lanes[i] != NONE) 69 return 1; 70 } 71 72 return 0; 73 } 74
