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5
6#include <common.h>
7#include <blk.h>
8#include <dm.h>
9#include <dfu.h>
10#include <env.h>
11#include <log.h>
12#include <memalign.h>
13#include <misc.h>
14#include <mtd.h>
15#include <mtd_node.h>
16#include <asm/arch/stm32prog.h>
17
18#define DFU_ALT_BUF_LEN SZ_1K
19
20static void board_get_alt_info_mmc(struct udevice *dev, char *buf)
21{
22 struct disk_partition info;
23 int p, len, devnum;
24 bool first = true;
25 const char *name;
26 struct mmc *mmc;
27 struct blk_desc *desc;
28
29 mmc = mmc_get_mmc_dev(dev);
30 if (!mmc)
31 return;
32
33 if (mmc_init(mmc))
34 return;
35
36 desc = mmc_get_blk_desc(mmc);
37 if (!desc)
38 return;
39
40 name = blk_get_if_type_name(desc->if_type);
41 devnum = desc->devnum;
42 len = strlen(buf);
43
44 if (buf[0] != '\0')
45 len += snprintf(buf + len,
46 DFU_ALT_BUF_LEN - len, "&");
47 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
48 "%s %d=", name, devnum);
49
50 if (IS_MMC(mmc) && mmc->capacity_boot) {
51 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
52 "%s%d_boot1 raw 0x0 0x%llx mmcpart 1;",
53 name, devnum, mmc->capacity_boot);
54 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
55 "%s%d_boot2 raw 0x0 0x%llx mmcpart 2",
56 name, devnum, mmc->capacity_boot);
57 first = false;
58 }
59
60 for (p = 1; p < MAX_SEARCH_PARTITIONS; p++) {
61 if (part_get_info(desc, p, &info))
62 continue;
63 if (!first)
64 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";");
65 first = false;
66 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
67 "%s%d_%s part %d %d",
68 name, devnum, info.name, devnum, p);
69 }
70}
71
72static void board_get_alt_info_mtd(struct mtd_info *mtd, char *buf)
73{
74 struct mtd_info *part;
75 bool first = true;
76 const char *name;
77 int len, partnum = 0;
78
79 name = mtd->name;
80 len = strlen(buf);
81
82 if (buf[0] != '\0')
83 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, "&");
84 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
85 "mtd %s=", name);
86
87 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
88 "%s raw 0x0 0x%llx ",
89 name, mtd->size);
90
91 list_for_each_entry(part, &mtd->partitions, node) {
92 partnum++;
93 if (!first)
94 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";");
95 first = false;
96
97 len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
98 "%s_%s part %d",
99 name, part->name, partnum);
100 }
101}
102
103void set_dfu_alt_info(char *interface, char *devstr)
104{
105 struct udevice *dev;
106 struct mtd_info *mtd;
107
108 ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
109
110 if (env_get("dfu_alt_info"))
111 return;
112
113 memset(buf, 0, sizeof(buf));
114
115 snprintf(buf, DFU_ALT_BUF_LEN,
116 "ram 0=%s", CONFIG_DFU_ALT_RAM0);
117
118 if (CONFIG_IS_ENABLED(MMC)) {
119 if (!uclass_get_device(UCLASS_MMC, 0, &dev))
120 board_get_alt_info_mmc(dev, buf);
121
122 if (!uclass_get_device(UCLASS_MMC, 1, &dev))
123 board_get_alt_info_mmc(dev, buf);
124 }
125
126 if (CONFIG_IS_ENABLED(MTD)) {
127
128 mtd_probe_devices();
129
130
131 if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) {
132 mtd = get_mtd_device_nm("nor0");
133 if (!IS_ERR_OR_NULL(mtd))
134 board_get_alt_info_mtd(mtd, buf);
135 }
136
137 mtd = get_mtd_device_nm("nand0");
138 if (!IS_ERR_OR_NULL(mtd))
139 board_get_alt_info_mtd(mtd, buf);
140
141 mtd = get_mtd_device_nm("spi-nand0");
142 if (!IS_ERR_OR_NULL(mtd))
143 board_get_alt_info_mtd(mtd, buf);
144 }
145
146 if (IS_ENABLED(CONFIG_DFU_VIRT) &&
147 IS_ENABLED(CMD_STM32PROG_USB)) {
148 strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
149
150 if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
151 strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
152 }
153
154 env_set("dfu_alt_info", buf);
155 puts("DFU alt info setting: done\n");
156}
157
158#if CONFIG_IS_ENABLED(DFU_VIRT)
159#include <dfu.h>
160#include <power/stpmic1.h>
161
162static int dfu_otp_read(u64 offset, u8 *buffer, long *size)
163{
164 struct udevice *dev;
165 int ret;
166
167 ret = uclass_get_device_by_driver(UCLASS_MISC,
168 DM_DRIVER_GET(stm32mp_bsec),
169 &dev);
170 if (ret)
171 return ret;
172
173 ret = misc_read(dev, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
174 if (ret >= 0) {
175 *size = ret;
176 ret = 0;
177 }
178
179 return 0;
180}
181
182static int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
183{
184 int ret;
185#ifdef CONFIG_PMIC_STPMIC1
186 struct udevice *dev;
187
188 ret = uclass_get_device_by_driver(UCLASS_MISC,
189 DM_DRIVER_GET(stpmic1_nvm),
190 &dev);
191 if (ret)
192 return ret;
193
194 ret = misc_read(dev, 0xF8 + offset, buffer, *size);
195 if (ret >= 0) {
196 *size = ret;
197 ret = 0;
198 }
199 if (ret == -EACCES) {
200 *size = 0;
201 ret = 0;
202 }
203#else
204 log_err("PMIC update not supported");
205 ret = -EOPNOTSUPP;
206#endif
207
208 return ret;
209}
210
211int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
212 void *buf, long *len)
213{
214 switch (dfu->data.virt.dev_num) {
215 case 0x0:
216 return dfu_otp_read(offset, buf, len);
217 case 0x1:
218 return dfu_pmic_read(offset, buf, len);
219 }
220
221 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
222 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
223 return stm32prog_read_medium_virt(dfu, offset, buf, len);
224
225 *len = 0;
226 return 0;
227}
228
229int dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
230 void *buf, long *len)
231{
232 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
233 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
234 return stm32prog_write_medium_virt(dfu, offset, buf, len);
235
236 return -EOPNOTSUPP;
237}
238
239int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
240{
241 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
242 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
243 return stm32prog_get_medium_size_virt(dfu, size);
244
245 *size = SZ_1K;
246
247 return 0;
248}
249
250#endif
251
