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 /* SerDes 1 */
17 {0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
18 SGMII_FM1_DTSEC6} },
19 {0x1133, {XFI_FM1_MAC9, XFI_FM1_MAC10, SGMII_FM1_DTSEC5,
20 SGMII_FM1_DTSEC6} },
21 {0x1333, {XFI_FM1_MAC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
22 SGMII_FM1_DTSEC6} },
23 {0x2333, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
24 SGMII_FM1_DTSEC6} },
25 {0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
26 SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
27 {0x1040, {XFI_FM1_MAC9, NONE, QSGMII_FM1_A, NONE} },
28 {0x2040, {SGMII_2500_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} },
29 {0x1163, {XFI_FM1_MAC9, XFI_FM1_MAC10, PCIE1, SGMII_FM1_DTSEC6} },
30 {0x2263, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, PCIE1,
31 SGMII_FM1_DTSEC6} },
32 {0x3363, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6, PCIE1,
33 SGMII_FM1_DTSEC6} },
34 {0x2223, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
35 SGMII_2500_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
36 {}
37 };
38
39 static struct serdes_config serdes2_cfg_tbl[] = {
40 /* SerDes 2 */
41 {0x8888, {PCIE1, PCIE1, PCIE1, PCIE1} },
42 {0x5559, {PCIE1, PCIE2, PCIE3, SATA1} },
43 {0x5577, {PCIE1, PCIE2, PCIE3, PCIE3} },
44 {0x5506, {PCIE1, PCIE2, NONE, PCIE3} },
45 {0x0506, {NONE, PCIE2, NONE, PCIE3} },
46 {0x0559, {NONE, PCIE2, PCIE3, SATA1} },
47 {0x5A59, {PCIE1, SGMII_FM1_DTSEC2, PCIE3, SATA1} },
48 {0x5A06, {PCIE1, SGMII_FM1_DTSEC2, NONE, PCIE3} },
49 {}
50 };
51
52 static struct serdes_config *serdes_cfg_tbl[] = {
53 serdes1_cfg_tbl,
54 serdes2_cfg_tbl,
55 };
56
serdes_get_prtcl(int serdes,int cfg,int lane)57 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
58 {
59 struct serdes_config *ptr;
60
61 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
62 return 0;
63
64 ptr = serdes_cfg_tbl[serdes];
65 while (ptr->protocol) {
66 if (ptr->protocol == cfg)
67 return ptr->lanes[lane];
68 ptr++;
69 }
70
71 return 0;
72 }
73
is_serdes_prtcl_valid(int serdes,u32 prtcl)74 int is_serdes_prtcl_valid(int serdes, u32 prtcl)
75 {
76 int i;
77 struct serdes_config *ptr;
78
79 if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
80 return 0;
81
82 ptr = serdes_cfg_tbl[serdes];
83 while (ptr->protocol) {
84 if (ptr->protocol == prtcl)
85 break;
86 ptr++;
87 }
88
89 if (!ptr->protocol)
90 return 0;
91
92 for (i = 0; i < SRDS_MAX_LANES; i++) {
93 if (ptr->lanes[i] != NONE)
94 return 1;
95 }
96
97 return 0;
98 }
99