1 /*
2  * Copyright 2012 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <asm/fsl_serdes.h>
25 #include <asm/processor.h>
26 #include <asm/io.h>
27 #include "fsl_corenet2_serdes.h"
28 
29 struct serdes_config {
30 	u8 protocol;
31 	u8 lanes[SRDS_MAX_LANES];
32 };
33 
34 static struct serdes_config serdes1_cfg_tbl[] = {
35 	/* SerDes 1 */
36 	{0x0D, {CPRI8, CPRI7, CPRI6, CPRI5,
37 		CPRI4, CPRI3, CPRI2, CPRI1}},
38 	{0x0E, {CPRI8, CPRI7,	CPRI6, CPRI5,
39 		CPRI4, CPRI3, CPRI2, CPRI1}},
40 	{0x12, {CPRI8, CPRI7,	CPRI6, CPRI5,
41 		CPRI4, CPRI3, CPRI2, CPRI1}},
42 	{0x2a, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6,
43 		CPRI6, CPRI5, CPRI4, CPRI3, CPRI2, CPRI1}},
44 	{0x30, {AURORA, AURORA,
45 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
46 		CPRI4, CPRI3, CPRI2, CPRI1}},
47 	{0x32, {AURORA, AURORA,
48 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
49 		CPRI4, CPRI3, CPRI2, CPRI1}},
50 	{0x33, {AURORA, AURORA,
51 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
52 		CPRI4, CPRI3, CPRI2, CPRI1}},
53 	{0x34, {AURORA, AURORA,
54 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
55 		CPRI4, CPRI3, CPRI2, CPRI1}},
56 	{0x3E, {CPRI8, CPRI7,	CPRI6, CPRI5,
57 		CPRI4, CPRI3, CPRI2, CPRI1}},
58 	{}
59 };
60 static struct serdes_config serdes2_cfg_tbl[] = {
61 	/* SerDes 2 */
62 	{0x18, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
63 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
64 		AURORA, AURORA,	SRIO1, SRIO1}},
65 	{0x1D, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
66 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
67 		AURORA, AURORA,	SRIO1, SRIO1}},
68 	{0x2B, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
69 		SRIO2, SRIO2,
70 		AURORA, AURORA, SRIO1, SRIO1}},
71 	{0x30, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
72 		SRIO2, SRIO2,
73 		AURORA, AURORA,
74 		SRIO1, SRIO1}},
75 	{0x49, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
76 		SGMII_FM1_DTSEC3, AURORA,
77 		SRIO1, SRIO1, SRIO1, SRIO1}},
78 	{0x4A, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
79 		SGMII_FM1_DTSEC3, AURORA,
80 		SRIO1, SRIO1, SRIO1, SRIO1}},
81 	{0x4C, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
82 		SGMII_FM1_DTSEC3, AURORA,
83 		SRIO1, SRIO1, SRIO1, SRIO1}},
84 	{0x4E, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
85 		SGMII_FM1_DTSEC3, AURORA,
86 		SRIO1, SRIO1, SRIO1, SRIO1}},
87 	{0x84, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
88 		SRIO2, SRIO2, AURORA, AURORA,
89 		XFI_FM1_MAC9, XFI_FM1_MAC10}},
90 	{0x85, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
91 		SRIO2, SRIO2, AURORA, AURORA,
92 		XFI_FM1_MAC9, XFI_FM1_MAC10}},
93 	{0x87, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
94 		SRIO2, SRIO2,
95 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
96 		XFI_FM1_MAC9, XFI_FM1_MAC10}},
97 	{0x93, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
98 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
99 		XAUI_FM1_MAC10, XAUI_FM1_MAC10,
100 		XAUI_FM1_MAC10, XAUI_FM1_MAC10}},
101 	{0x9E, {PCIE1, PCIE1,	PCIE1, PCIE1,
102 		XAUI_FM1_MAC10, XAUI_FM1_MAC10,
103 		XAUI_FM1_MAC10, XAUI_FM1_MAC10}},
104 	{0x9A, {PCIE1, PCIE1,
105 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
106 		XAUI_FM1_MAC10, XAUI_FM1_MAC10,
107 		XAUI_FM1_MAC10, XAUI_FM1_MAC10}},
108 	{0xB2, {PCIE1, PCIE1, PCIE1, PCIE1,
109 		SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4,
110 		XFI_FM1_MAC9, XFI_FM1_MAC10}},
111 	{0xC3, {XAUI_FM1_MAC9, XAUI_FM1_MAC9,
112 		XAUI_FM1_MAC9, XAUI_FM1_MAC9,
113 		SRIO1, SRIO1, SRIO1, SRIO1}},
114 	{}
115 };
116 static struct serdes_config *serdes_cfg_tbl[] = {
117 	serdes1_cfg_tbl,
118 	serdes2_cfg_tbl,
119 };
120 
121 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
122 {
123 	struct serdes_config *ptr;
124 
125 	if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
126 		return 0;
127 
128 	ptr = serdes_cfg_tbl[serdes];
129 	while (ptr->protocol) {
130 		if (ptr->protocol == cfg)
131 			return ptr->lanes[lane];
132 		ptr++;
133 	}
134 
135 	return 0;
136 }
137 
138 int is_serdes_prtcl_valid(int serdes, u32 prtcl)
139 {
140 	int i;
141 	struct serdes_config *ptr;
142 
143 	if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
144 		return 0;
145 
146 	ptr = serdes_cfg_tbl[serdes];
147 	while (ptr->protocol) {
148 		if (ptr->protocol == prtcl)
149 			break;
150 		ptr++;
151 	}
152 
153 	if (!ptr->protocol)
154 		return 0;
155 
156 	for (i = 0; i < SRDS_MAX_LANES; i++) {
157 		if (ptr->lanes[i] != NONE)
158 			return 1;
159 	}
160 
161 	return 0;
162 }
163