1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2019 NXP
11 #include <asm/arch/sci/sci.h>
12 #include <asm/mach-imx/sys_proto.h>
13 #include <asm/arch-imx/cpu.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/image.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 #define SEC_SECURE_RAM_BASE (0x31800000UL)
22 #define SEC_SECURE_RAM_END_BASE (SEC_SECURE_RAM_BASE + 0xFFFFUL)
23 #define SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE (0x60000000UL)
27 static inline bool check_in_dram(ulong addr)
30 struct bd_info *bd = gd->bd;
32 for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
33 if (bd->bi_dram[i].size) {
34 if (addr >= bd->bi_dram[i].start &&
35 addr < (bd->bi_dram[i].start + bd->bi_dram[i].size))
43 int authenticate_os_container(ulong addr)
45 struct container_hdr *phdr;
49 sc_faddr_t start, end;
51 struct boot_img_t *img;
55 puts("Error: Image's address is not 4 byte aligned\n");
59 if (!check_in_dram(addr)) {
60 puts("Error: Image's address is invalid\n");
64 phdr = (struct container_hdr *)addr;
65 if (phdr->tag != 0x87 && phdr->version != 0x0) {
66 printf("Error: Wrong container header\n");
70 if (!phdr->num_images) {
71 printf("Error: Wrong container, no image found\n");
75 length = phdr->length_lsb + (phdr->length_msb << 8);
77 debug("container length %u\n", length);
78 memcpy((void *)SEC_SECURE_RAM_BASE, (const void *)addr,
79 ALIGN(length, CONFIG_SYS_CACHELINE_SIZE));
81 err = sc_seco_authenticate(-1, SC_SECO_AUTH_CONTAINER,
82 SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE);
84 printf("Authenticate container hdr failed, return %d\n",
90 /* Copy images to dest address */
91 for (i = 0; i < phdr->num_images; i++) {
92 img = (struct boot_img_t *)(addr +
93 sizeof(struct container_hdr) +
94 i * sizeof(struct boot_img_t));
96 debug("img %d, dst 0x%x, src 0x%lux, size 0x%x\n",
97 i, (uint32_t) img->dst, img->offset + addr, img->size);
99 memcpy((void *)img->dst, (const void *)(img->offset + addr),
102 s = img->dst & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
103 e = ALIGN(img->dst + img->size, CONFIG_SYS_CACHELINE_SIZE) - 1;
105 flush_dcache_range(s, e);
107 /* Find the memreg and set permission for seco pt */
108 err = sc_rm_find_memreg(-1, &mr, s, e);
110 printf("Error: can't find memreg for image load address 0x%llx, error %d\n", img->dst, err);
115 err = sc_rm_get_memreg_info(-1, mr, &start, &end);
117 debug("memreg %u 0x%llx -- 0x%llx\n", mr, start, end);
119 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
122 printf("Set permission failed for img %d, error %d\n",
128 err = sc_seco_authenticate(-1, SC_SECO_VERIFY_IMAGE,
131 printf("Authenticate img %d failed, return %d\n",
136 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
139 printf("Remove permission failed for img %d, err %d\n",
149 if (sc_seco_authenticate(-1, SC_SECO_REL_CONTAINER, 0) != SC_ERR_NONE)
150 printf("Error: release container failed!\n");
155 static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
161 return CMD_RET_USAGE;
163 addr = simple_strtoul(argv[1], NULL, 16);
165 printf("Authenticate OS container at 0x%lx\n", addr);
167 if (authenticate_os_container(addr))
168 return CMD_RET_FAILURE;
170 return CMD_RET_SUCCESS;
173 static void display_life_cycle(u16 lc)
175 printf("Lifecycle: 0x%04X, ", lc);
178 printf("Pristine\n\n");
187 printf("NXP closed\n\n");
190 printf("OEM closed\n\n");
193 printf("Partial field return\n\n");
196 printf("Full field return\n\n");
199 printf("No return\n\n");
202 printf("Unknown\n\n");
207 #define AHAB_AUTH_CONTAINER_REQ 0x87
208 #define AHAB_VERIFY_IMAGE_REQ 0x88
210 #define AHAB_NO_AUTHENTICATION_IND 0xee
211 #define AHAB_BAD_KEY_HASH_IND 0xfa
212 #define AHAB_INVALID_KEY_IND 0xf9
213 #define AHAB_BAD_SIGNATURE_IND 0xf0
214 #define AHAB_BAD_HASH_IND 0xf1
216 static void display_ahab_auth_event(u32 event)
218 u8 cmd = (event >> 16) & 0xff;
219 u8 resp_ind = (event >> 8) & 0xff;
222 case AHAB_AUTH_CONTAINER_REQ:
223 printf("\tCMD = AHAB_AUTH_CONTAINER_REQ (0x%02X)\n", cmd);
226 case AHAB_VERIFY_IMAGE_REQ:
227 printf("\tCMD = AHAB_VERIFY_IMAGE_REQ (0x%02X)\n", cmd);
235 case AHAB_NO_AUTHENTICATION_IND:
236 printf("AHAB_NO_AUTHENTICATION_IND (0x%02X)\n\n", resp_ind);
238 case AHAB_BAD_KEY_HASH_IND:
239 printf("AHAB_BAD_KEY_HASH_IND (0x%02X)\n\n", resp_ind);
241 case AHAB_INVALID_KEY_IND:
242 printf("AHAB_INVALID_KEY_IND (0x%02X)\n\n", resp_ind);
244 case AHAB_BAD_SIGNATURE_IND:
245 printf("AHAB_BAD_SIGNATURE_IND (0x%02X)\n\n", resp_ind);
247 case AHAB_BAD_HASH_IND:
248 printf("AHAB_BAD_HASH_IND (0x%02X)\n\n", resp_ind);
251 printf("Unknown Indicator (0x%02X)\n\n", resp_ind);
256 static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc,
264 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
265 if (err != SC_ERR_NONE) {
266 printf("Error in get lifecycle\n");
270 display_life_cycle(lc);
272 err = sc_seco_get_event(-1, idx, &event);
273 while (err == SC_ERR_NONE) {
274 printf("SECO Event[%u] = 0x%08X\n", idx, event);
275 display_ahab_auth_event(event);
278 err = sc_seco_get_event(-1, idx, &event);
282 printf("No SECO Events Found!\n\n");
287 static int confirm_close(void)
289 puts("Warning: Please ensure your sample is in NXP closed state, "
290 "OEM SRK hash has been fused, \n"
291 " and you are able to boot a signed image successfully "
292 "without any SECO events reported.\n"
293 " If not, your sample will be unrecoverable.\n"
294 "\nReally perform this operation? <y/N>\n");
299 puts("Ahab close aborted\n");
303 static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
309 if (!confirm_close())
312 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
313 if (err != SC_ERR_NONE) {
314 printf("Error in get lifecycle\n");
319 puts("Current lifecycle is NOT NXP closed, can't move to OEM closed\n");
320 display_life_cycle(lc);
324 err = sc_seco_forward_lifecycle(-1, 16);
325 if (err != SC_ERR_NONE) {
326 printf("Error in forward lifecycle to OEM closed\n");
330 printf("Change to OEM closed successfully\n");
335 U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate,
336 "autenticate OS container via AHAB",
338 "addr - OS container hex address\n"
341 U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status,
342 "display AHAB lifecycle and events from seco",
346 U_BOOT_CMD(ahab_close, CONFIG_SYS_MAXARGS, 1, do_ahab_close,
347 "Change AHAB lifecycle to OEM closed",