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 #ifndef CONFIG_SF_DEFAULT_SPEED
19 # define CONFIG_SF_DEFAULT_SPEED 1000000
20 #endif
21 #ifndef CONFIG_SF_DEFAULT_MODE
22 # define CONFIG_SF_DEFAULT_MODE SPI_MODE0
23 #endif
24 #ifndef CONFIG_SF_DEFAULT_CS
25 # define CONFIG_SF_DEFAULT_CS 0
26 #endif
27 #ifndef CONFIG_SF_DEFAULT_BUS
28 # define CONFIG_SF_DEFAULT_BUS 0
29 #endif
30
31 #define MAX_SERIAL_SIZE 15
32 #define MAX_HWADDR_SIZE 17
33
34 #define FIRM_ADDR1 (0x200 - sizeof(smac))
35 #define FIRM_ADDR2 (0x400 - sizeof(smac))
36 #define FIRM_ADDR3 (CONFIG_ENV_SECT_SIZE + 0x200 - sizeof(smac))
37 #define FIRM_ADDR4 (CONFIG_ENV_SECT_SIZE + 0x400 - sizeof(smac))
38
39 static struct spi_flash *flash;
40 char smac[4][18];
41
ishwaddr(char * hwaddr)42 static int ishwaddr(char *hwaddr)
43 {
44 if (strlen(hwaddr) == MAX_HWADDR_SIZE)
45 if (hwaddr[2] == ':' &&
46 hwaddr[5] == ':' &&
47 hwaddr[8] == ':' &&
48 hwaddr[11] == ':' &&
49 hwaddr[14] == ':')
50 return 0;
51 return -1;
52 }
53
set_arc_product(int argc,char * const argv[])54 static int set_arc_product(int argc, char *const argv[])
55 {
56 int err = 0;
57 char *mystrerr = "ERROR: Failed to save factory info in spi location";
58
59 if (argc != 5)
60 return -1;
61
62 /* Check serial number */
63 if (strlen(argv[1]) != MAX_SERIAL_SIZE)
64 return -1;
65
66 /* Check HWaddrs */
67 if (ishwaddr(argv[2]) || ishwaddr(argv[3]) || ishwaddr(argv[4]))
68 return -1;
69
70 strcpy(smac[3], argv[1]);
71 strcpy(smac[2], argv[2]);
72 strcpy(smac[1], argv[3]);
73 strcpy(smac[0], argv[4]);
74
75 flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
76 CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
77
78 /*
79 * Save factory defaults
80 */
81
82 if (spi_flash_write(flash, FIRM_ADDR1, sizeof(smac), smac)) {
83 printf("%s: %s [1]\n", __func__, mystrerr);
84 err++;
85 }
86 if (spi_flash_write(flash, FIRM_ADDR2, sizeof(smac), smac)) {
87 printf("%s: %s [2]\n", __func__, mystrerr);
88 err++;
89 }
90
91 if (spi_flash_write(flash, FIRM_ADDR3, sizeof(smac), smac)) {
92 printf("%s: %s [3]\n", __func__, mystrerr);
93 err++;
94 }
95
96 if (spi_flash_write(flash, FIRM_ADDR4, sizeof(smac), smac)) {
97 printf("%s: %s [4]\n", __func__, mystrerr);
98 err++;
99 }
100
101 if (err == 4) {
102 printf("%s: %s [ALL]\n", __func__, mystrerr);
103 return -2;
104 }
105
106 return 0;
107 }
108
get_arc_info(void)109 int get_arc_info(void)
110 {
111 int location = 1;
112 char *myerr = "ERROR: Failed to read all 4 factory info spi locations";
113
114 flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
115 CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
116
117 if (spi_flash_read(flash, FIRM_ADDR1, sizeof(smac), smac)) {
118 location++;
119 if (spi_flash_read(flash, FIRM_ADDR2, sizeof(smac), smac)) {
120 location++;
121 if (spi_flash_read(flash, FIRM_ADDR3, sizeof(smac),
122 smac)) {
123 location++;
124 if (spi_flash_read(flash, FIRM_ADDR4,
125 sizeof(smac), smac)) {
126 printf("%s: %s\n", __func__, myerr);
127 return -2;
128 }
129 }
130 }
131 }
132 if (smac[3][0] != 0) {
133 if (location > 1)
134 printf("Using region %d\n", location);
135 printf("SERIAL: ");
136 if (smac[3][0] == 0xFF) {
137 printf("\t<not found>\n");
138 } else {
139 printf("\t%s\n", smac[3]);
140 env_set("SERIAL", smac[3]);
141 }
142 }
143
144 if (strcmp(smac[2], "00:00:00:00:00:00") == 0)
145 return 0;
146
147 printf("HWADDR0:");
148 if (smac[2][0] == 0xFF) {
149 printf("\t<not found>\n");
150 } else {
151 char *ret = env_get("ethaddr");
152
153 if (strcmp(ret, __stringify(CONFIG_ETHADDR)) == 0) {
154 env_set("ethaddr", smac[2]);
155 printf("\t%s (factory)\n", smac[2]);
156 } else {
157 printf("\t%s\n", ret);
158 }
159 }
160
161 if (strcmp(smac[1], "00:00:00:00:00:00") == 0) {
162 env_set("eth1addr", smac[2]);
163 env_set("eth2addr", smac[2]);
164 return 0;
165 }
166
167 printf("HWADDR1:");
168 if (smac[1][0] == 0xFF) {
169 printf("\t<not found>\n");
170 } else {
171 char *ret = env_get("eth1addr");
172
173 if (strcmp(ret, __stringify(CONFIG_ETH1ADDR)) == 0) {
174 env_set("eth1addr", smac[1]);
175 printf("\t%s (factory)\n", smac[1]);
176 } else {
177 printf("\t%s\n", ret);
178 }
179 }
180
181 if (strcmp(smac[0], "00:00:00:00:00:00") == 0) {
182 env_set("eth2addr", smac[1]);
183 return 0;
184 }
185
186 printf("HWADDR2:");
187 if (smac[0][0] == 0xFF) {
188 printf("\t<not found>\n");
189 } else {
190 char *ret = env_get("eth2addr");
191
192 if (strcmp(ret, __stringify(CONFIG_ETH2ADDR)) == 0) {
193 env_set("eth2addr", smac[0]);
194 printf("\t%s (factory)\n", smac[0]);
195 } else {
196 printf("\t%s\n", ret);
197 }
198 }
199
200 return 0;
201 }
202
do_arc_cmd(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])203 static int do_arc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
204 {
205 const char *cmd;
206 int ret = -1;
207
208 cmd = argv[1];
209 --argc;
210 ++argv;
211
212 if (strcmp(cmd, "product") == 0) {
213 ret = set_arc_product(argc, argv);
214 goto done;
215 }
216 if (strcmp(cmd, "info") == 0) {
217 ret = get_arc_info();
218 goto done;
219 }
220 done:
221 if (ret == -1)
222 return CMD_RET_USAGE;
223
224 return ret;
225 }
226
227 U_BOOT_CMD(arc, 6, 1, do_arc_cmd,
228 "Arcturus product command sub-system",
229 "product serial hwaddr0 hwaddr1 hwaddr2 - save Arcturus factory env\n"
230 "info - show Arcturus factory env\n\n");
231