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>
18 DECLARE_GLOBAL_DATA_PTR;
20 #define SEC_SECURE_RAM_BASE (0x31800000UL)
21 #define SEC_SECURE_RAM_END_BASE (SEC_SECURE_RAM_BASE + 0xFFFFUL)
22 #define SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE (0x60000000UL)
26 static inline bool check_in_dram(ulong addr)
31 for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
32 if (bd->bi_dram[i].size) {
33 if (addr >= bd->bi_dram[i].start &&
34 addr < (bd->bi_dram[i].start + bd->bi_dram[i].size))
42 int authenticate_os_container(ulong addr)
44 struct container_hdr *phdr;
48 sc_faddr_t start, end;
50 struct boot_img_t *img;
54 puts("Error: Image's address is not 4 byte aligned\n");
58 if (!check_in_dram(addr)) {
59 puts("Error: Image's address is invalid\n");
63 phdr = (struct container_hdr *)addr;
64 if (phdr->tag != 0x87 && phdr->version != 0x0) {
65 printf("Error: Wrong container header\n");
69 if (!phdr->num_images) {
70 printf("Error: Wrong container, no image found\n");
74 length = phdr->length_lsb + (phdr->length_msb << 8);
76 debug("container length %u\n", length);
77 memcpy((void *)SEC_SECURE_RAM_BASE, (const void *)addr,
78 ALIGN(length, CONFIG_SYS_CACHELINE_SIZE));
80 err = sc_seco_authenticate(-1, SC_SECO_AUTH_CONTAINER,
81 SECO_LOCAL_SEC_SEC_SECURE_RAM_BASE);
83 printf("Authenticate container hdr failed, return %d\n",
89 /* Copy images to dest address */
90 for (i = 0; i < phdr->num_images; i++) {
91 img = (struct boot_img_t *)(addr +
92 sizeof(struct container_hdr) +
93 i * sizeof(struct boot_img_t));
95 debug("img %d, dst 0x%x, src 0x%x, size 0x%x\n",
96 i, (uint32_t) img->dst, img->offset + addr, img->size);
98 memcpy((void *)img->dst, (const void *)(img->offset + addr),
101 s = img->dst & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
102 e = ALIGN(img->dst + img->size, CONFIG_SYS_CACHELINE_SIZE) - 1;
104 flush_dcache_range(s, e);
106 /* Find the memreg and set permission for seco pt */
107 err = sc_rm_find_memreg(-1, &mr, s, e);
109 printf("Error: can't find memreg for image load address 0x%x, error %d\n", img->dst, err);
114 err = sc_rm_get_memreg_info(-1, mr, &start, &end);
116 debug("memreg %u 0x%llx -- 0x%llx\n", mr, start, end);
118 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
121 printf("Set permission failed for img %d, error %d\n",
127 err = sc_seco_authenticate(-1, SC_SECO_VERIFY_IMAGE,
130 printf("Authenticate img %d failed, return %d\n",
135 err = sc_rm_set_memreg_permissions(-1, mr, SECO_PT,
138 printf("Remove permission failed for img %d, err %d\n",
148 if (sc_seco_authenticate(-1, SC_SECO_REL_CONTAINER, 0) != SC_ERR_NONE)
149 printf("Error: release container failed!\n");
154 static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
160 return CMD_RET_USAGE;
162 addr = simple_strtoul(argv[1], NULL, 16);
164 printf("Authenticate OS container at 0x%lx\n", addr);
166 if (authenticate_os_container(addr))
167 return CMD_RET_FAILURE;
169 return CMD_RET_SUCCESS;
172 static void display_life_cycle(u16 lc)
174 printf("Lifecycle: 0x%04X, ", lc);
177 printf("Pristine\n\n");
186 printf("NXP closed\n\n");
189 printf("OEM closed\n\n");
192 printf("Partial field return\n\n");
195 printf("Full field return\n\n");
198 printf("No return\n\n");
201 printf("Unknown\n\n");
206 #define AHAB_AUTH_CONTAINER_REQ 0x87
207 #define AHAB_VERIFY_IMAGE_REQ 0x88
209 #define AHAB_NO_AUTHENTICATION_IND 0xee
210 #define AHAB_BAD_KEY_HASH_IND 0xfa
211 #define AHAB_INVALID_KEY_IND 0xf9
212 #define AHAB_BAD_SIGNATURE_IND 0xf0
213 #define AHAB_BAD_HASH_IND 0xf1
215 static void display_ahab_auth_event(u32 event)
217 u8 cmd = (event >> 16) & 0xff;
218 u8 resp_ind = (event >> 8) & 0xff;
221 case AHAB_AUTH_CONTAINER_REQ:
222 printf("\tCMD = AHAB_AUTH_CONTAINER_REQ (0x%02X)\n", cmd);
225 case AHAB_VERIFY_IMAGE_REQ:
226 printf("\tCMD = AHAB_VERIFY_IMAGE_REQ (0x%02X)\n", cmd);
234 case AHAB_NO_AUTHENTICATION_IND:
235 printf("AHAB_NO_AUTHENTICATION_IND (0x%02X)\n\n", resp_ind);
237 case AHAB_BAD_KEY_HASH_IND:
238 printf("AHAB_BAD_KEY_HASH_IND (0x%02X)\n\n", resp_ind);
240 case AHAB_INVALID_KEY_IND:
241 printf("AHAB_INVALID_KEY_IND (0x%02X)\n\n", resp_ind);
243 case AHAB_BAD_SIGNATURE_IND:
244 printf("AHAB_BAD_SIGNATURE_IND (0x%02X)\n\n", resp_ind);
246 case AHAB_BAD_HASH_IND:
247 printf("AHAB_BAD_HASH_IND (0x%02X)\n\n", resp_ind);
250 printf("Unknown Indicator (0x%02X)\n\n", resp_ind);
255 static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc,
263 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
264 if (err != SC_ERR_NONE) {
265 printf("Error in get lifecycle\n");
269 display_life_cycle(lc);
271 err = sc_seco_get_event(-1, idx, &event);
272 while (err == SC_ERR_NONE) {
273 printf("SECO Event[%u] = 0x%08X\n", idx, event);
274 display_ahab_auth_event(event);
277 err = sc_seco_get_event(-1, idx, &event);
281 printf("No SECO Events Found!\n\n");
286 static int confirm_close(void)
288 puts("Warning: Please ensure your sample is in NXP closed state, "
289 "OEM SRK hash has been fused, \n"
290 " and you are able to boot a signed image successfully "
291 "without any SECO events reported.\n"
292 " If not, your sample will be unrecoverable.\n"
293 "\nReally perform this operation? <y/N>\n");
298 puts("Ahab close aborted\n");
302 static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
308 if (!confirm_close())
311 err = sc_seco_chip_info(-1, &lc, NULL, NULL, NULL);
312 if (err != SC_ERR_NONE) {
313 printf("Error in get lifecycle\n");
318 puts("Current lifecycle is NOT NXP closed, can't move to OEM closed\n");
319 display_life_cycle(lc);
323 err = sc_seco_forward_lifecycle(-1, 16);
324 if (err != SC_ERR_NONE) {
325 printf("Error in forward lifecycle to OEM closed\n");
329 printf("Change to OEM closed successfully\n");
334 U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate,
335 "autenticate OS container via AHAB",
337 "addr - OS container hex address\n"
340 U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status,
341 "display AHAB lifecycle and events from seco",
345 U_BOOT_CMD(ahab_close, CONFIG_SYS_MAXARGS, 1, do_ahab_close,
346 "Change AHAB lifecycle to OEM closed",