1 /* 2 * Copyright 2016 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/arch/fsl_serdes.h> 9 #include <asm/arch/immap_lsch2.h> 10 11 struct serdes_config { 12 u32 protocol; 13 u8 lanes[SRDS_MAX_LANES]; 14 }; 15 16 static struct serdes_config serdes1_cfg_tbl[] = { 17 {0x2208, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, SATA1} }, 18 {0x0008, {NONE, NONE, NONE, SATA1} }, 19 {0x3508, {SGMII_FM1_DTSEC1, PCIE1, NONE, SATA1} }, 20 {0x3305, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 21 {0x2205, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, PCIE1} }, 22 {0x2305, {SGMII_2500_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 23 {0x9508, {TX_CLK, PCIE1, NONE, SATA1} }, 24 {0x3905, {SGMII_FM1_DTSEC1, TX_CLK, NONE, PCIE1} }, 25 {0x9305, {TX_CLK, SGMII_FM1_DTSEC2, NONE, PCIE1} }, 26 {} 27 }; 28 29 static struct serdes_config *serdes_cfg_tbl[] = { 30 serdes1_cfg_tbl, 31 }; 32 33 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane) 34 { 35 struct serdes_config *ptr; 36 37 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl)) 38 return 0; 39 40 ptr = serdes_cfg_tbl[serdes]; 41 while (ptr->protocol) { 42 if (ptr->protocol == cfg) 43 return ptr->lanes[lane]; 44 ptr++; 45 } 46 47 return 0; 48 } 49 50 int is_serdes_prtcl_valid(int serdes, u32 prtcl) 51 { 52 int i; 53 struct serdes_config *ptr; 54 55 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl)) 56 return 0; 57 58 ptr = serdes_cfg_tbl[serdes]; 59 while (ptr->protocol) { 60 if (ptr->protocol == prtcl) 61 break; 62 ptr++; 63 } 64 65 if (!ptr->protocol) 66 return 0; 67 68 for (i = 0; i < SRDS_MAX_LANES; i++) { 69 if (ptr->lanes[i] != NONE) 70 return 1; 71 } 72 73 return 0; 74 } 75