1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2019 NXP
10 #include <asm/global_data.h>
12 #include <asm/arch/sci/sci.h>
13 #include <asm/mach-imx/sys_proto.h>
14 #include <asm/arch-imx/cpu.h>
15 #include <asm/arch/sys_proto.h>
16 #include <asm/mach-imx/image.h>
20 DECLARE_GLOBAL_DATA_PTR;
22 #define SEC_SECURE_RAM_BASE (0x31800000UL)
23 #define SEC_SECURE_RAM_END_BASE (SEC_SECURE_RAM_BASE + 0xFFFFUL)
24 #define SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE (0x60000000UL)
28 static inline bool check_in_dram(ulong addr)
31 struct bd_info *bd = gd->bd;
33 for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
34 if (bd->bi_dram[i].size) {
35 if (addr >= bd->bi_dram[i].start &&
36 addr < (bd->bi_dram[i].start + bd->bi_dram[i].size))
44 int authenticate_os_container(ulong addr)
46 struct container_hdr *phdr;
50 sc_faddr_t start, end;
52 struct boot_img_t *img;
56 puts("Error: Image's address is not 4 byte aligned\n");
60 if (!check_in_dram(addr)) {
61 puts("Error: Image's address is invalid\n");
65 phdr = (struct container_hdr *)addr;
66 if (phdr->tag != 0x87 && phdr->version != 0x0) {
67 printf("Error: Wrong container header\n");
71 if (!phdr->num_images) {
72 printf("Error: Wrong container, no image found\n");
76 length = phdr->length_lsb + (phdr->length_msb << 8);
78 debug("container length %u\n", length);
79 memcpy((void *)SEC_SECURE_RAM_BASE, (const void *)addr,
80 ALIGN(length, CONFIG_SYS_CACHELINE_SIZE));
82 err = sc_seco_authenticate(-1, SC_SECO_AUTH_CONTAINER,
83 SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE);
85 printf("Authenticate container hdr failed, return %d\n",
91 /* Copy images to dest address */
92 for (i = 0; i < phdr->num_images; i++) {
93 img = (struct boot_img_t *)(addr +
94 sizeof(struct container_hdr) +
95 i * sizeof(struct boot_img_t));
97 debug("img %d, dst 0x%x, src 0x%lux, size 0x%x\n",
98 i, (uint32_t) img->dst, img->offset + addr, img->size);
100 memcpy((void *)img->dst, (const void *)(img->offset + addr),
103 s = img->dst & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
104 e = ALIGN(img->dst + img->size, CONFIG_SYS_CACHELINE_SIZE) - 1;
106 flush_dcache_range(s, e);
108 /* Find the memreg and set permission for seco pt */
109 err = sc_rm_find_memreg(-1, &mr, s, e);
111 printf("Error: can't find memreg for image load address 0x%llx, error %d\n", img->dst, err);
116 err = sc_rm_get_memreg_info(-1, mr, &start, &end);
118 debug("memreg %u 0x%llx -- 0x%llx\n", mr, start, end);
120 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
123 printf("Set permission failed for img %d, error %d\n",
129 err = sc_seco_authenticate(-1, SC_SECO_VERIFY_IMAGE,
132 printf("Authenticate img %d failed, return %d\n",
137 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
140 printf("Remove permission failed for img %d, err %d\n",
150 if (sc_seco_authenticate(-1, SC_SECO_REL_CONTAINER, 0) != SC_ERR_NONE)
151 printf("Error: release container failed!\n");
156 static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
162 return CMD_RET_USAGE;
164 addr = hextoul(argv[1], NULL);
166 printf("Authenticate OS container at 0x%lx\n", addr);
168 if (authenticate_os_container(addr))
169 return CMD_RET_FAILURE;
171 return CMD_RET_SUCCESS;
174 static void display_life_cycle(u16 lc)
176 printf("Lifecycle: 0x%04X, ", lc);
179 printf("Pristine\n\n");
188 printf("NXP closed\n\n");
191 printf("OEM closed\n\n");
194 printf("Partial field return\n\n");
197 printf("Full field return\n\n");
200 printf("No return\n\n");
203 printf("Unknown\n\n");
208 #define AHAB_AUTH_CONTAINER_REQ 0x87
209 #define AHAB_VERIFY_IMAGE_REQ 0x88
211 #define AHAB_NO_AUTHENTICATION_IND 0xee
212 #define AHAB_BAD_KEY_HASH_IND 0xfa
213 #define AHAB_INVALID_KEY_IND 0xf9
214 #define AHAB_BAD_SIGNATURE_IND 0xf0
215 #define AHAB_BAD_HASH_IND 0xf1
217 static void display_ahab_auth_event(u32 event)
219 u8 cmd = (event >> 16) & 0xff;
220 u8 resp_ind = (event >> 8) & 0xff;
223 case AHAB_AUTH_CONTAINER_REQ:
224 printf("\tCMD = AHAB_AUTH_CONTAINER_REQ (0x%02X)\n", cmd);
227 case AHAB_VERIFY_IMAGE_REQ:
228 printf("\tCMD = AHAB_VERIFY_IMAGE_REQ (0x%02X)\n", cmd);
236 case AHAB_NO_AUTHENTICATION_IND:
237 printf("AHAB_NO_AUTHENTICATION_IND (0x%02X)\n\n", resp_ind);
239 case AHAB_BAD_KEY_HASH_IND:
240 printf("AHAB_BAD_KEY_HASH_IND (0x%02X)\n\n", resp_ind);
242 case AHAB_INVALID_KEY_IND:
243 printf("AHAB_INVALID_KEY_IND (0x%02X)\n\n", resp_ind);
245 case AHAB_BAD_SIGNATURE_IND:
246 printf("AHAB_BAD_SIGNATURE_IND (0x%02X)\n\n", resp_ind);
248 case AHAB_BAD_HASH_IND:
249 printf("AHAB_BAD_HASH_IND (0x%02X)\n\n", resp_ind);
252 printf("Unknown Indicator (0x%02X)\n\n", resp_ind);
257 static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc,
265 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
266 if (err != SC_ERR_NONE) {
267 printf("Error in get lifecycle\n");
271 display_life_cycle(lc);
273 err = sc_seco_get_event(-1, idx, &event);
274 while (err == SC_ERR_NONE) {
275 printf("SECO Event[%u] = 0x%08X\n", idx, event);
276 display_ahab_auth_event(event);
279 err = sc_seco_get_event(-1, idx, &event);
283 printf("No SECO Events Found!\n\n");
288 static int confirm_close(void)
290 puts("Warning: Please ensure your sample is in NXP closed state, "
291 "OEM SRK hash has been fused, \n"
292 " and you are able to boot a signed image successfully "
293 "without any SECO events reported.\n"
294 " If not, your sample will be unrecoverable.\n"
295 "\nReally perform this operation? <y/N>\n");
300 puts("Ahab close aborted\n");
304 static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
307 int confirmed = argc >= 2 && !strcmp(argv[1], "-y");
311 if (!confirmed && !confirm_close())
314 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
315 if (err != SC_ERR_NONE) {
316 printf("Error in get lifecycle\n");
321 puts("Current lifecycle is NOT NXP closed, can't move to OEM closed\n");
322 display_life_cycle(lc);
326 err = sc_seco_forward_lifecycle(-1, 16);
327 if (err != SC_ERR_NONE) {
328 printf("Error in forward lifecycle to OEM closed\n");
332 printf("Change to OEM closed successfully\n");
337 U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate,
338 "autenticate OS container via AHAB",
340 "addr - OS container hex address\n"
343 U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status,
344 "display AHAB lifecycle and events from seco",
348 U_BOOT_CMD(ahab_close, CONFIG_SYS_MAXARGS, 1, do_ahab_close,
349 "Change AHAB lifecycle to OEM closed",