1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
2 /*
3 * Command for accessing Arcturus factory environment.
4 *
5 * Copyright 2013-2015 Arcturus Networks Inc.
6 * http://www.arcturusnetworks.com/products/ucp1020/
7 * by Oleksandr G Zhadan et al.
8 *
9 */
10
11 #include <common.h>
12 #include <div64.h>
13 #include <malloc.h>
14 #include <spi_flash.h>
15
16 #include <asm/io.h>
17
18 #define MAX_SERIAL_SIZE 15
19 #define MAX_HWADDR_SIZE 17
20
21 #define FIRM_ADDR1 (0x200 - sizeof(smac))
22 #define FIRM_ADDR2 (0x400 - sizeof(smac))
23 #define FIRM_ADDR3 (CONFIG_ENV_SECT_SIZE + 0x200 - sizeof(smac))
24 #define FIRM_ADDR4 (CONFIG_ENV_SECT_SIZE + 0x400 - sizeof(smac))
25
26 static struct spi_flash *flash;
27 char smac[4][18];
28
ishwaddr(char * hwaddr)29 static int ishwaddr(char *hwaddr)
30 {
31 if (strlen(hwaddr) == MAX_HWADDR_SIZE)
32 if (hwaddr[2] == ':' &&
33 hwaddr[5] == ':' &&
34 hwaddr[8] == ':' &&
35 hwaddr[11] == ':' &&
36 hwaddr[14] == ':')
37 return 0;
38 return -1;
39 }
40
set_arc_product(int argc,char * const argv[])41 static int set_arc_product(int argc, char *const argv[])
42 {
43 int err = 0;
44 char *mystrerr = "ERROR: Failed to save factory info in spi location";
45
46 if (argc != 5)
47 return -1;
48
49 /* Check serial number */
50 if (strlen(argv[1]) != MAX_SERIAL_SIZE)
51 return -1;
52
53 /* Check HWaddrs */
54 if (ishwaddr(argv[2]) || ishwaddr(argv[3]) || ishwaddr(argv[4]))
55 return -1;
56
57 strcpy(smac[3], argv[1]);
58 strcpy(smac[2], argv[2]);
59 strcpy(smac[1], argv[3]);
60 strcpy(smac[0], argv[4]);
61
62 flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
63 CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
64
65 /*
66 * Save factory defaults
67 */
68
69 if (spi_flash_write(flash, FIRM_ADDR1, sizeof(smac), smac)) {
70 printf("%s: %s [1]\n", __func__, mystrerr);
71 err++;
72 }
73 if (spi_flash_write(flash, FIRM_ADDR2, sizeof(smac), smac)) {
74 printf("%s: %s [2]\n", __func__, mystrerr);
75 err++;
76 }
77
78 if (spi_flash_write(flash, FIRM_ADDR3, sizeof(smac), smac)) {
79 printf("%s: %s [3]\n", __func__, mystrerr);
80 err++;
81 }
82
83 if (spi_flash_write(flash, FIRM_ADDR4, sizeof(smac), smac)) {
84 printf("%s: %s [4]\n", __func__, mystrerr);
85 err++;
86 }
87
88 if (err == 4) {
89 printf("%s: %s [ALL]\n", __func__, mystrerr);
90 return -2;
91 }
92
93 return 0;
94 }
95
get_arc_info(void)96 int get_arc_info(void)
97 {
98 int location = 1;
99 char *myerr = "ERROR: Failed to read all 4 factory info spi locations";
100
101 flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
102 CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
103
104 if (spi_flash_read(flash, FIRM_ADDR1, sizeof(smac), smac)) {
105 location++;
106 if (spi_flash_read(flash, FIRM_ADDR2, sizeof(smac), smac)) {
107 location++;
108 if (spi_flash_read(flash, FIRM_ADDR3, sizeof(smac),
109 smac)) {
110 location++;
111 if (spi_flash_read(flash, FIRM_ADDR4,
112 sizeof(smac), smac)) {
113 printf("%s: %s\n", __func__, myerr);
114 return -2;
115 }
116 }
117 }
118 }
119 if (smac[3][0] != 0) {
120 if (location > 1)
121 printf("Using region %d\n", location);
122 printf("SERIAL: ");
123 if (smac[3][0] == 0xFF) {
124 printf("\t<not found>\n");
125 } else {
126 printf("\t%s\n", smac[3]);
127 env_set("SERIAL", smac[3]);
128 }
129 }
130
131 if (strcmp(smac[2], "00:00:00:00:00:00") == 0)
132 return 0;
133
134 printf("HWADDR0:");
135 if (smac[2][0] == 0xFF) {
136 printf("\t<not found>\n");
137 } else {
138 char *ret = env_get("ethaddr");
139
140 if (strcmp(ret, __stringify(CONFIG_ETHADDR)) == 0) {
141 env_set("ethaddr", smac[2]);
142 printf("\t%s (factory)\n", smac[2]);
143 } else {
144 printf("\t%s\n", ret);
145 }
146 }
147
148 if (strcmp(smac[1], "00:00:00:00:00:00") == 0) {
149 env_set("eth1addr", smac[2]);
150 env_set("eth2addr", smac[2]);
151 return 0;
152 }
153
154 printf("HWADDR1:");
155 if (smac[1][0] == 0xFF) {
156 printf("\t<not found>\n");
157 } else {
158 char *ret = env_get("eth1addr");
159
160 if (strcmp(ret, __stringify(CONFIG_ETH1ADDR)) == 0) {
161 env_set("eth1addr", smac[1]);
162 printf("\t%s (factory)\n", smac[1]);
163 } else {
164 printf("\t%s\n", ret);
165 }
166 }
167
168 if (strcmp(smac[0], "00:00:00:00:00:00") == 0) {
169 env_set("eth2addr", smac[1]);
170 return 0;
171 }
172
173 printf("HWADDR2:");
174 if (smac[0][0] == 0xFF) {
175 printf("\t<not found>\n");
176 } else {
177 char *ret = env_get("eth2addr");
178
179 if (strcmp(ret, __stringify(CONFIG_ETH2ADDR)) == 0) {
180 env_set("eth2addr", smac[0]);
181 printf("\t%s (factory)\n", smac[0]);
182 } else {
183 printf("\t%s\n", ret);
184 }
185 }
186
187 return 0;
188 }
189
do_arc_cmd(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])190 static int do_arc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
191 {
192 const char *cmd;
193 int ret = -1;
194
195 cmd = argv[1];
196 --argc;
197 ++argv;
198
199 if (strcmp(cmd, "product") == 0) {
200 ret = set_arc_product(argc, argv);
201 goto done;
202 }
203 if (strcmp(cmd, "info") == 0) {
204 ret = get_arc_info();
205 goto done;
206 }
207 done:
208 if (ret == -1)
209 return CMD_RET_USAGE;
210
211 return ret;
212 }
213
214 U_BOOT_CMD(arc, 6, 1, do_arc_cmd,
215 "Arcturus product command sub-system",
216 "product serial hwaddr0 hwaddr1 hwaddr2 - save Arcturus factory env\n"
217 "info - show Arcturus factory env\n\n");
218