+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2020 NXP
- */
-
-#include <common.h>
-#include <command.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <asm/mach-imx/s400_api.h>
-#include <asm/mach-imx/sys_proto.h>
-#include <asm/arch-imx/cpu.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/mach-imx/image.h>
-#include <console.h>
-#include <cpu_func.h>
-#include <asm/mach-imx/ahab.h>
-#include <asm/global_data.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define IMG_CONTAINER_BASE (0x22010000UL)
-#define IMG_CONTAINER_END_BASE (IMG_CONTAINER_BASE + 0xFFFFUL)
-
-#define AHAB_NO_AUTHENTICATION_IND 0xee
-#define AHAB_BAD_KEY_HASH_IND 0xfa
-#define AHAB_INVALID_KEY_IND 0xf9
-#define AHAB_BAD_SIGNATURE_IND 0xf0
-#define AHAB_BAD_HASH_IND 0xf1
-
-static void display_ahab_auth_ind(u32 event)
-{
- u8 resp_ind = (event >> 8) & 0xff;
-
- switch (resp_ind) {
- case AHAB_NO_AUTHENTICATION_IND:
- printf("AHAB_NO_AUTHENTICATION_IND (0x%02X)\n\n", resp_ind);
- break;
- case AHAB_BAD_KEY_HASH_IND:
- printf("AHAB_BAD_KEY_HASH_IND (0x%02X)\n\n", resp_ind);
- break;
- case AHAB_INVALID_KEY_IND:
- printf("AHAB_INVALID_KEY_IND (0x%02X)\n\n", resp_ind);
- break;
- case AHAB_BAD_SIGNATURE_IND:
- printf("AHAB_BAD_SIGNATURE_IND (0x%02X)\n\n", resp_ind);
- break;
- case AHAB_BAD_HASH_IND:
- printf("AHAB_BAD_HASH_IND (0x%02X)\n\n", resp_ind);
- break;
- default:
- printf("Unknown Indicator (0x%02X)\n\n", resp_ind);
- break;
- }
-}
-
-int ahab_auth_cntr_hdr(struct container_hdr *container, u16 length)
-{
- int err;
- u32 resp;
-
- memcpy((void *)IMG_CONTAINER_BASE, (const void *)container,
- ALIGN(length, CONFIG_SYS_CACHELINE_SIZE));
-
- flush_dcache_range(IMG_CONTAINER_BASE,
- IMG_CONTAINER_BASE + ALIGN(length, CONFIG_SYS_CACHELINE_SIZE) - 1);
-
- err = ahab_auth_oem_ctnr(IMG_CONTAINER_BASE, &resp);
- if (err) {
- printf("Authenticate container hdr failed, return %d, resp 0x%x\n",
- err, resp);
- display_ahab_auth_ind(resp);
- }
-
- return err;
-}
-
-int ahab_auth_release(void)
-{
- int err;
- u32 resp;
-
- err = ahab_release_container(&resp);
- if (err) {
- printf("Error: release container failed, resp 0x%x!\n", resp);
- display_ahab_auth_ind(resp);
- }
-
- return err;
-}
-
-int ahab_verify_cntr_image(struct boot_img_t *img, int image_index)
-{
- int err;
- u32 resp;
-
- err = ahab_verify_image(image_index, &resp);
- if (err) {
- printf("Authenticate img %d failed, return %d, resp 0x%x\n",
- image_index, err, resp);
- display_ahab_auth_ind(resp);
- return -EIO;
- }
-
- return 0;
-}
-
-static inline bool check_in_dram(ulong addr)
-{
- int i;
- struct bd_info *bd = gd->bd;
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
- if (bd->bi_dram[i].size) {
- if (addr >= bd->bi_dram[i].start &&
- addr < (bd->bi_dram[i].start + bd->bi_dram[i].size))
- return true;
- }
- }
-
- return false;
-}
-
-int authenticate_os_container(ulong addr)
-{
- struct container_hdr *phdr;
- int i, ret = 0;
- int err;
- u16 length;
- struct boot_img_t *img;
- unsigned long s, e;
-
- if (addr % 4) {
- puts("Error: Image's address is not 4 byte aligned\n");
- return -EINVAL;
- }
-
- if (!check_in_dram(addr)) {
- puts("Error: Image's address is invalid\n");
- return -EINVAL;
- }
-
- phdr = (struct container_hdr *)addr;
- if (phdr->tag != 0x87 || phdr->version != 0x0) {
- printf("Error: Wrong container header\n");
- return -EFAULT;
- }
-
- if (!phdr->num_images) {
- printf("Error: Wrong container, no image found\n");
- return -EFAULT;
- }
-
- length = phdr->length_lsb + (phdr->length_msb << 8);
-
- debug("container length %u\n", length);
-
- err = ahab_auth_cntr_hdr(phdr, length);
- if (err) {
- ret = -EIO;
- goto exit;
- }
-
- debug("Verify images\n");
-
- /* Copy images to dest address */
- for (i = 0; i < phdr->num_images; i++) {
- img = (struct boot_img_t *)(addr +
- sizeof(struct container_hdr) +
- i * sizeof(struct boot_img_t));
-
- debug("img %d, dst 0x%x, src 0x%lx, size 0x%x\n",
- i, (uint32_t)img->dst, img->offset + addr, img->size);
-
- memcpy((void *)img->dst, (const void *)(img->offset + addr), img->size);
-
- s = img->dst & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
- e = ALIGN(img->dst + img->size, CONFIG_SYS_CACHELINE_SIZE) - 1;
-
- flush_dcache_range(s, e);
-
- ret = ahab_verify_cntr_image(img, i);
- if (ret)
- goto exit;
- }
-
-exit:
- debug("ahab_auth_release, 0x%x\n", ret);
- ahab_auth_release();
-
- return ret;
-}
-
-static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
-{
- ulong addr;
-
- if (argc < 2)
- return CMD_RET_USAGE;
-
- addr = simple_strtoul(argv[1], NULL, 16);
-
- printf("Authenticate OS container at 0x%lx\n", addr);
-
- if (authenticate_os_container(addr))
- return CMD_RET_FAILURE;
-
- return CMD_RET_SUCCESS;
-}
-
-static void display_life_cycle(u32 lc)
-{
- printf("Lifecycle: 0x%08X, ", lc);
- switch (lc) {
- case 0x1:
- printf("BLANK\n\n");
- break;
- case 0x2:
- printf("FAB\n\n");
- break;
- case 0x4:
- printf("NXP Provisioned\n\n");
- break;
- case 0x8:
- printf("OEM Open\n\n");
- break;
- case 0x10:
- printf("OEM Secure World Closed\n\n");
- break;
- case 0x20:
- printf("OEM closed\n\n");
- break;
- case 0x40:
- printf("Field Return OEM\n\n");
- break;
- case 0x80:
- printf("Field Return NXP\n\n");
- break;
- case 0x100:
- printf("OEM Locked\n\n");
- break;
- case 0x200:
- printf("BRICKED\n\n");
- break;
- default:
- printf("Unknown\n\n");
- break;
- }
-}
-
-static int confirm_close(void)
-{
- puts("Warning: Please ensure your sample is in NXP closed state, "
- "OEM SRK hash has been fused, \n"
- " and you are able to boot a signed image successfully "
- "without any SECO events reported.\n"
- " If not, your sample will be unrecoverable.\n"
- "\nReally perform this operation? <y/N>\n");
-
- if (confirm_yesno())
- return 1;
-
- puts("Ahab close aborted\n");
- return 0;
-}
-
-static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
-{
- int err;
- u32 resp;
-
- if (!confirm_close())
- return -EACCES;
-
- err = ahab_forward_lifecycle(8, &resp);
- if (err != 0) {
- printf("Error in forward lifecycle to OEM closed\n");
- return -EIO;
- }
-
- printf("Change to OEM closed successfully\n");
-
- return 0;
-}
-
-int ahab_dump(void)
-{
- u32 buffer[32];
- int ret, i = 0;
-
- do {
- ret = ahab_dump_buffer(buffer, 32);
- if (ret < 0) {
- printf("Error in dump AHAB log\n");
- return -EIO;
- }
-
- if (ret == 1)
- break;
-
- for (i = 0; i < ret; i++)
- printf("0x%x\n", buffer[i]);
- } while (ret >= 21);
-
- return 0;
-}
-
-static int do_ahab_dump(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
- return ahab_dump();
-}
-
-static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
- u32 lc;
-
- lc = readl(FSB_BASE_ADDR + 0x41c);
- lc &= 0x3f;
-
- display_life_cycle(lc);
- return 0;
-}
-
-U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate,
- "autenticate OS container via AHAB",
- "addr\n"
- "addr - OS container hex address\n"
-);
-
-U_BOOT_CMD(ahab_close, CONFIG_SYS_MAXARGS, 1, do_ahab_close,
- "Change AHAB lifecycle to OEM closed",
- ""
-);
-
-U_BOOT_CMD(ahab_dump, CONFIG_SYS_MAXARGS, 1, do_ahab_dump,
- "Dump AHAB log for debug",
- ""
-);
-
-U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status,
- "display AHAB lifecycle only",
- ""
-);
projects / u-boot.git / commitdiff
