1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2010-2011 Freescale Semiconductor, Inc.
4 */
5
6 #include <common.h>
7 #include <asm/fsl_serdes.h>
8 #include <asm/processor.h>
9 #include <asm/io.h>
10 #include "fsl_corenet_serdes.h"
11
12 static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
13 [0x2] = {NONE, NONE, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1,
14 NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
15 SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
16 [0x5] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
17 NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
18 SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
19 [0x8] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
20 PCIE2, PCIE2, PCIE2, NONE, NONE, NONE, NONE, SATA1,
21 SATA2, NONE, NONE, NONE, NONE, },
22 [0x9] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
23 PCIE2, PCIE2, PCIE2, NONE, NONE, XAUI_FM1, XAUI_FM1,
24 XAUI_FM1, XAUI_FM1, NONE, NONE, NONE, NONE, },
25 [0xa] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
26 PCIE2, PCIE2, PCIE2, NONE, NONE, PCIE3, PCIE3, PCIE3,
27 PCIE3, NONE, NONE, NONE, NONE, },
28 [0xf] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
29 SRIO2, SRIO1, SRIO1, NONE, NONE, PCIE3, SGMII_FM1_DTSEC5,
30 SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
31 [0x14] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
32 PCIE2, SRIO1, SRIO1, NONE, NONE, AURORA,
33 SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE,
34 NONE, NONE, NONE, },
35 [0x16] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
36 SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, SATA1, SATA2, NONE,
37 NONE, NONE, NONE, },
38 [0x17] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
39 SGMII_FM1_DTSEC4, NONE, NONE, XAUI_FM1, XAUI_FM1, XAUI_FM1,
40 XAUI_FM1, NONE, NONE, NONE, NONE, },
41 [0x19] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
42 PCIE2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
43 NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
44 [0x1a] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
45 SRIO2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
46 NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
47 [0x1c] = {NONE, NONE, PCIE1, SGMII_FM1_DTSEC2, PCIE2, PCIE2,
48 SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, AURORA,
49 SGMII_FM1_DTSEC5, NONE, NONE, NONE, NONE, NONE, NONE, },
50 };
51
serdes_get_prtcl(int cfg,int lane)52 enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
53 {
54 enum srds_prtcl prtcl;
55 u32 svr = get_svr();
56 u32 ver = SVR_SOC_VER(svr);
57
58 if (!serdes_lane_enabled(lane))
59 return NONE;
60
61 prtcl = serdes_cfg_tbl[cfg][lane];
62
63 /* P2040[e] does not support XAUI */
64 if (ver == SVR_P2040 && prtcl == XAUI_FM1)
65 prtcl = NONE;
66
67 return prtcl;
68 }
69
is_serdes_prtcl_valid(u32 prtcl)70 int is_serdes_prtcl_valid(u32 prtcl)
71 {
72 int i;
73 u32 svr = get_svr();
74 u32 ver = SVR_SOC_VER(svr);
75
76 if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
77 return 0;
78
79 /* P2040[e] does not support XAUI */
80 if (ver == SVR_P2040 && prtcl == XAUI_FM1)
81 return 0;
82
83 for (i = 0; i < SRDS_MAX_LANES; i++) {
84 if (serdes_cfg_tbl[prtcl][i] != NONE)
85 return 1;
86 }
87
88 return 0;
89 }
90