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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 mtd = get_mtd_device_nm("nor1");
137 if (!IS_ERR_OR_NULL(mtd))
138 board_get_alt_info_mtd(mtd, buf);
139 }
140
141 mtd = get_mtd_device_nm("nand0");
142 if (!IS_ERR_OR_NULL(mtd))
143 board_get_alt_info_mtd(mtd, buf);
144
145 mtd = get_mtd_device_nm("spi-nand0");
146 if (!IS_ERR_OR_NULL(mtd))
147 board_get_alt_info_mtd(mtd, buf);
148 }
149
150 if (IS_ENABLED(CONFIG_DFU_VIRT) &&
151 IS_ENABLED(CMD_STM32PROG_USB)) {
152 strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
153
154 if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
155 strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
156 }
157
158 env_set("dfu_alt_info", buf);
159 puts("DFU alt info setting: done\n");
160}
161
162#if CONFIG_IS_ENABLED(DFU_VIRT)
163#include <dfu.h>
164#include <power/stpmic1.h>
165
166static int dfu_otp_read(u64 offset, u8 *buffer, long *size)
167{
168 struct udevice *dev;
169 int ret;
170
171 ret = uclass_get_device_by_driver(UCLASS_MISC,
172 DM_DRIVER_GET(stm32mp_bsec),
173 &dev);
174 if (ret)
175 return ret;
176
177 ret = misc_read(dev, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
178 if (ret >= 0) {
179 *size = ret;
180 ret = 0;
181 }
182
183 return 0;
184}
185
186static int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
187{
188 int ret;
189#ifdef CONFIG_PMIC_STPMIC1
190 struct udevice *dev;
191
192 ret = uclass_get_device_by_driver(UCLASS_MISC,
193 DM_DRIVER_GET(stpmic1_nvm),
194 &dev);
195 if (ret)
196 return ret;
197
198 ret = misc_read(dev, 0xF8 + offset, buffer, *size);
199 if (ret >= 0) {
200 *size = ret;
201 ret = 0;
202 }
203 if (ret == -EACCES) {
204 *size = 0;
205 ret = 0;
206 }
207#else
208 log_err("PMIC update not supported");
209 ret = -EOPNOTSUPP;
210#endif
211
212 return ret;
213}
214
215int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
216 void *buf, long *len)
217{
218 switch (dfu->data.virt.dev_num) {
219 case 0x0:
220 return dfu_otp_read(offset, buf, len);
221 case 0x1:
222 return dfu_pmic_read(offset, buf, len);
223 }
224
225 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
226 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
227 return stm32prog_read_medium_virt(dfu, offset, buf, len);
228
229 *len = 0;
230 return 0;
231}
232
233int dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
234 void *buf, long *len)
235{
236 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
237 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
238 return stm32prog_write_medium_virt(dfu, offset, buf, len);
239
240 return -EOPNOTSUPP;
241}
242
243int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
244{
245 if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
246 dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
247 return stm32prog_get_medium_size_virt(dfu, size);
248
249 *size = SZ_1K;
250
251 return 0;
252}
253
254#endif
255
