1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2016 Freescale Semiconductor, Inc.
4 * Copyright 2019 NXP
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 /* SerDes 1 */
18 {0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
19 SGMII_FM1_DTSEC6} },
20 {0x1133, {XFI_FM1_MAC9, XFI_FM1_MAC10, SGMII_FM1_DTSEC5,
21 SGMII_FM1_DTSEC6} },
22 {0x1333, {XFI_FM1_MAC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
23 SGMII_FM1_DTSEC6} },
24 {0x2333, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
25 SGMII_FM1_DTSEC6} },
26 {0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
27 SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
28 {0x1040, {XFI_FM1_MAC9, NONE, QSGMII_FM1_A, NONE} },
29 {0x2040, {SGMII_2500_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} },
30 {0x1163, {XFI_FM1_MAC9, XFI_FM1_MAC10, PCIE1, SGMII_FM1_DTSEC6} },
31 {0x2263, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, PCIE1,
32 SGMII_FM1_DTSEC6} },
33 {0x3363, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, PCIE1,
34 SGMII_FM1_DTSEC6} },
35 {0x2223, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
36 SGMII_2500_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
37 {0x3040, {SGMII_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} },
38 {}
39 };
40
41 static struct serdes_config serdes2_cfg_tbl[] = {
42 /* SerDes 2 */
43 {0x8888, {PCIE1, PCIE1, PCIE1, PCIE1} },
44 {0x5559, {PCIE1, PCIE2, PCIE3, SATA1} },
45 {0x5577, {PCIE1, PCIE2, PCIE3, PCIE3} },
46 {0x5506, {PCIE1, PCIE2, NONE, PCIE3} },
47 {0x0506, {NONE, PCIE2, NONE, PCIE3} },
48 {0x0559, {NONE, PCIE2, PCIE3, SATA1} },
49 {0x5A59, {PCIE1, SGMII_FM1_DTSEC2, PCIE3, SATA1} },
50 {0x5A06, {PCIE1, SGMII_FM1_DTSEC2, NONE, PCIE3} },
51 {}
52 };
53
54 static struct serdes_config *serdes_cfg_tbl[] = {
55 serdes1_cfg_tbl,
56 serdes2_cfg_tbl,
57 };
58
serdes_get_prtcl(int serdes,int cfg,int lane)59 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
60 {
61 struct serdes_config *ptr;
62
63 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
64 return 0;
65
66 ptr = serdes_cfg_tbl[serdes];
67 while (ptr->protocol) {
68 if (ptr->protocol == cfg)
69 return ptr->lanes[lane];
70 ptr++;
71 }
72
73 return 0;
74 }
75
is_serdes_prtcl_valid(int serdes,u32 prtcl)76 int is_serdes_prtcl_valid(int serdes, u32 prtcl)
77 {
78 int i;
79 struct serdes_config *ptr;
80
81 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
82 return 0;
83
84 ptr = serdes_cfg_tbl[serdes];
85 while (ptr->protocol) {
86 if (ptr->protocol == prtcl)
87 break;
88 ptr++;
89 }
90
91 if (!ptr->protocol)
92 return 0;
93
94 for (i = 0; i < SRDS_MAX_LANES; i++) {
95 if (ptr->lanes[i] != NONE)
96 return 1;
97 }
98
99 return 0;
100 }
101