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8#include <common.h>
9#include <div64.h>
10#include <spi.h>
11#include <spi_flash.h>
12#include <linux/mtd/mtd.h>
13
14#include <asm/io.h>
15#include "../drivers/ddr/marvell/axp/ddr3_init.h"
16
17#define ETH_ALEN 6
18#define ETHADDR_MAX 4
19#define SYNO_SN_TAG "SN="
20#define SYNO_CHKSUM_TAG "CHK="
21
22
23static int do_syno_populate(int argc, char * const argv[])
24{
25 unsigned int bus = CONFIG_SF_DEFAULT_BUS;
26 unsigned int cs = CONFIG_SF_DEFAULT_CS;
27 unsigned int speed = CONFIG_SF_DEFAULT_SPEED;
28 unsigned int mode = CONFIG_SF_DEFAULT_MODE;
29 struct spi_flash *flash;
30 unsigned long addr = 0x80000;
31 loff_t offset = 0x007d0000;
32 loff_t len = 0x00010000;
33 char *buf, *bufp;
34 char var[128];
35 char val[128];
36 int ret, n;
37
38
39
40 flash = spi_flash_probe(bus, cs, speed, mode);
41 if (!flash) {
42 printf("Failed to initialize SPI flash at %u:%u\n", bus, cs);
43 return 1;
44 }
45
46 buf = map_physmem(addr, len, MAP_WRBACK);
47 if (!buf) {
48 puts("Failed to map physical memory\n");
49 return 1;
50 }
51
52 ret = spi_flash_read(flash, offset, len, buf);
53 if (ret) {
54 puts("Failed to read from SPI flash\n");
55 goto out_unmap;
56 }
57
58 for (n = 0; n < ETHADDR_MAX; n++) {
59 char ethaddr[ETH_ALEN];
60 int i, sum = 0;
61 unsigned char csum = 0;
62
63 for (i = 0, bufp = buf + n * 7; i < ETH_ALEN; i++) {
64 sum += bufp[i];
65 csum += bufp[i];
66 ethaddr[i] = bufp[i];
67 }
68 if (!sum)
69 continue;
70 if (csum != bufp[i]) {
71 printf("Invalid MAC address for interface %d!\n", n);
72 continue;
73 }
74 if (n == 0)
75 sprintf(var, "ethaddr");
76 else
77 sprintf(var, "eth%daddr", n);
78 snprintf(val, sizeof(val) - 1,
79 "%02x:%02x:%02x:%02x:%02x:%02x",
80 ethaddr[0], ethaddr[1], ethaddr[2],
81 ethaddr[3], ethaddr[4], ethaddr[5]);
82 printf("parsed %s = %s\n", var, val);
83 env_set(var, val);
84 }
85 if (!strncmp(buf + 32, SYNO_SN_TAG, strlen(SYNO_SN_TAG))) {
86 char *snp, *csump;
87 int csum = 0;
88 unsigned long c;
89
90 snp = bufp = buf + 32 + strlen(SYNO_SN_TAG);
91 for (n = 0; bufp[n] && bufp[n] != ','; n++)
92 csum += bufp[n];
93 bufp[n] = '\0';
94
95
96 bufp = strstr(bufp + n + 1, SYNO_CHKSUM_TAG);
97 if (!bufp) {
98 printf("Serial number checksum tag missing!\n");
99 goto out_unmap;
100 }
101
102 csump = bufp += strlen(SYNO_CHKSUM_TAG);
103 for (n = 0; bufp[n] && bufp[n] != ','; n++)
104 ;
105 bufp[n] = '\0';
106
107 if (strict_strtoul(csump, 10, &c) || c != csum) {
108 puts("Invalid serial number found!\n");
109 ret = 1;
110 goto out_unmap;
111 }
112 printf("parsed SN = %s\n", snp);
113 env_set("SN", snp);
114 } else {
115 unsigned char csum = 0;
116
117 for (n = 0, bufp = buf + 32; n < 10; n++)
118 csum += bufp[n];
119
120 if (csum != bufp[n]) {
121 puts("Invalid serial number found!\n");
122 ret = 1;
123 goto out_unmap;
124 }
125 bufp[n] = '\0';
126 printf("parsed SN = %s\n", buf + 32);
127 env_set("SN", buf + 32);
128 }
129out_unmap:
130 unmap_physmem(buf, len);
131 return ret;
132}
133
134
135static const char * const pwr_mng_bit_func[] = {
136 "audio",
137 "ge3", "ge2", "ge1", "ge0",
138 "pcie00", "pcie01", "pcie02", "pcie03",
139 "pcie10", "pcie11", "pcie12", "pcie13",
140 "bp",
141 "sata0_link", "sata0_core",
142 "lcd",
143 "sdio",
144 "usb0", "usb1", "usb2",
145 "idma", "xor0", "crypto",
146 NULL,
147 "tdm",
148 "pcie20", "pcie30",
149 "xor1",
150 "sata1_link", "sata1_core",
151 NULL,
152};
153
154static int do_syno_clk_gate(int argc, char * const argv[])
155{
156 u32 pwr_mng_ctrl_reg = reg_read(POWER_MNG_CTRL_REG);
157 const char *func, *state;
158 int i, val;
159
160 if (argc < 2)
161 return -1;
162
163 if (!strcmp(argv[1], "get")) {
164 puts("Clock Gating:\n");
165 for (i = 0; i < 32; i++) {
166 func = pwr_mng_bit_func[i];
167 if (!func)
168 continue;
169 state = pwr_mng_ctrl_reg & (1 << i) ? "ON" : "OFF";
170 printf("%s:\t\t%s\n", func, state);
171 }
172 return 0;
173 }
174 if (argc < 4)
175 return -1;
176 if (!strcmp(argv[1], "set")) {
177 func = argv[2];
178 state = argv[3];
179 for (i = 0; i < 32; i++) {
180 if (!pwr_mng_bit_func[i])
181 continue;
182 if (!strcmp(func, pwr_mng_bit_func[i]))
183 break;
184 }
185 if (i == 32) {
186 printf("Error: name '%s' not known\n", func);
187 return -1;
188 }
189 val = state[0] != '0';
190 pwr_mng_ctrl_reg |= (val << i);
191 pwr_mng_ctrl_reg &= ~(!val << i);
192 reg_write(POWER_MNG_CTRL_REG, pwr_mng_ctrl_reg);
193 }
194 return 0;
195}
196
197static int do_syno(cmd_tbl_t *cmdtp, int flag,
198 int argc, char * const argv[])
199{
200 const char *cmd;
201 int ret = 0;
202
203 if (argc < 2)
204 goto usage;
205
206 cmd = argv[1];
207 --argc;
208 ++argv;
209
210 if (!strcmp(cmd, "populate_env"))
211 ret = do_syno_populate(argc, argv);
212 else if (!strcmp(cmd, "clk_gate"))
213 ret = do_syno_clk_gate(argc, argv);
214
215 if (ret != -1)
216 return ret;
217usage:
218 return CMD_RET_USAGE;
219}
220
221U_BOOT_CMD(
222 syno, 5, 1, do_syno,
223 "Synology specific commands",
224 "populate_env - Read vendor data from SPI flash into environment\n"
225 "clk_gate (get|set name 1|0) - Manage clock gating\n"
226);
227
