mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
27117b2024
Add CAAM clock functions, SEC_CONFIG[1] fuse checking, and default CSF size for HAB support boot on mx7ulp. Users need to uncomment the CONFIG_SECURE_BOOT in mx7ulp_evk.h to build secure uboot. Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Ye Li <ye.li@nxp.com> Reviewed-by : Stefano Babic <sbabic@denx.de>
516 lines
14 KiB
C
516 lines
14 KiB
C
/*
|
|
* Copyright (C) 2010-2015 Freescale Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <config.h>
|
|
#include <fuse.h>
|
|
#include <asm/io.h>
|
|
#include <asm/system.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/imx-common/hab.h>
|
|
|
|
/* -------- start of HAB API updates ------------*/
|
|
|
|
#define hab_rvt_report_event_p \
|
|
( \
|
|
(is_mx6dqp()) ? \
|
|
((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
|
|
(is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
|
|
((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
|
|
(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
|
|
((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
|
|
((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT) \
|
|
)
|
|
|
|
#define hab_rvt_report_status_p \
|
|
( \
|
|
(is_mx6dqp()) ? \
|
|
((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
|
|
(is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
|
|
((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
|
|
(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
|
|
((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
|
|
((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS) \
|
|
)
|
|
|
|
#define hab_rvt_authenticate_image_p \
|
|
( \
|
|
(is_mx6dqp()) ? \
|
|
((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
|
|
(is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
|
|
((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
|
|
(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
|
|
((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
|
|
((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE) \
|
|
)
|
|
|
|
#define hab_rvt_entry_p \
|
|
( \
|
|
(is_mx6dqp()) ? \
|
|
((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
|
|
(is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
|
|
((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
|
|
(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
|
|
((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
|
|
((hab_rvt_entry_t *)HAB_RVT_ENTRY) \
|
|
)
|
|
|
|
#define hab_rvt_exit_p \
|
|
( \
|
|
(is_mx6dqp()) ? \
|
|
((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
|
|
(is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
|
|
((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
|
|
(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
|
|
((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
|
|
((hab_rvt_exit_t *)HAB_RVT_EXIT) \
|
|
)
|
|
|
|
#define IVT_SIZE 0x20
|
|
#define ALIGN_SIZE 0x1000
|
|
#define CSF_PAD_SIZE 0x2000
|
|
#define MX6DQ_PU_IROM_MMU_EN_VAR 0x009024a8
|
|
#define MX6DLS_PU_IROM_MMU_EN_VAR 0x00901dd0
|
|
#define MX6SL_PU_IROM_MMU_EN_VAR 0x00900a18
|
|
#define IS_HAB_ENABLED_BIT \
|
|
(is_soc_type(MXC_SOC_MX7ULP) ? 0x80000000 : \
|
|
(is_soc_type(MXC_SOC_MX7) ? 0x2000000 : 0x2))
|
|
|
|
/*
|
|
* +------------+ 0x0 (DDR_UIMAGE_START) -
|
|
* | Header | |
|
|
* +------------+ 0x40 |
|
|
* | | |
|
|
* | | |
|
|
* | | |
|
|
* | | |
|
|
* | Image Data | |
|
|
* . | |
|
|
* . | > Stuff to be authenticated ----+
|
|
* . | | |
|
|
* | | | |
|
|
* | | | |
|
|
* +------------+ | |
|
|
* | | | |
|
|
* | Fill Data | | |
|
|
* | | | |
|
|
* +------------+ Align to ALIGN_SIZE | |
|
|
* | IVT | | |
|
|
* +------------+ + IVT_SIZE - |
|
|
* | | |
|
|
* | CSF DATA | <---------------------------------------------------------+
|
|
* | |
|
|
* +------------+
|
|
* | |
|
|
* | Fill Data |
|
|
* | |
|
|
* +------------+ + CSF_PAD_SIZE
|
|
*/
|
|
|
|
static bool is_hab_enabled(void);
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
|
|
#define MAX_RECORD_BYTES (8*1024) /* 4 kbytes */
|
|
|
|
struct record {
|
|
uint8_t tag; /* Tag */
|
|
uint8_t len[2]; /* Length */
|
|
uint8_t par; /* Version */
|
|
uint8_t contents[MAX_RECORD_BYTES];/* Record Data */
|
|
bool any_rec_flag;
|
|
};
|
|
|
|
char *rsn_str[] = {"RSN = HAB_RSN_ANY (0x00)\n",
|
|
"RSN = HAB_ENG_FAIL (0x30)\n",
|
|
"RSN = HAB_INV_ADDRESS (0x22)\n",
|
|
"RSN = HAB_INV_ASSERTION (0x0C)\n",
|
|
"RSN = HAB_INV_CALL (0x28)\n",
|
|
"RSN = HAB_INV_CERTIFICATE (0x21)\n",
|
|
"RSN = HAB_INV_COMMAND (0x06)\n",
|
|
"RSN = HAB_INV_CSF (0x11)\n",
|
|
"RSN = HAB_INV_DCD (0x27)\n",
|
|
"RSN = HAB_INV_INDEX (0x0F)\n",
|
|
"RSN = HAB_INV_IVT (0x05)\n",
|
|
"RSN = HAB_INV_KEY (0x1D)\n",
|
|
"RSN = HAB_INV_RETURN (0x1E)\n",
|
|
"RSN = HAB_INV_SIGNATURE (0x18)\n",
|
|
"RSN = HAB_INV_SIZE (0x17)\n",
|
|
"RSN = HAB_MEM_FAIL (0x2E)\n",
|
|
"RSN = HAB_OVR_COUNT (0x2B)\n",
|
|
"RSN = HAB_OVR_STORAGE (0x2D)\n",
|
|
"RSN = HAB_UNS_ALGORITHM (0x12)\n",
|
|
"RSN = HAB_UNS_COMMAND (0x03)\n",
|
|
"RSN = HAB_UNS_ENGINE (0x0A)\n",
|
|
"RSN = HAB_UNS_ITEM (0x24)\n",
|
|
"RSN = HAB_UNS_KEY (0x1B)\n",
|
|
"RSN = HAB_UNS_PROTOCOL (0x14)\n",
|
|
"RSN = HAB_UNS_STATE (0x09)\n",
|
|
"RSN = INVALID\n",
|
|
NULL};
|
|
|
|
char *sts_str[] = {"STS = HAB_SUCCESS (0xF0)\n",
|
|
"STS = HAB_FAILURE (0x33)\n",
|
|
"STS = HAB_WARNING (0x69)\n",
|
|
"STS = INVALID\n",
|
|
NULL};
|
|
|
|
char *eng_str[] = {"ENG = HAB_ENG_ANY (0x00)\n",
|
|
"ENG = HAB_ENG_SCC (0x03)\n",
|
|
"ENG = HAB_ENG_RTIC (0x05)\n",
|
|
"ENG = HAB_ENG_SAHARA (0x06)\n",
|
|
"ENG = HAB_ENG_CSU (0x0A)\n",
|
|
"ENG = HAB_ENG_SRTC (0x0C)\n",
|
|
"ENG = HAB_ENG_DCP (0x1B)\n",
|
|
"ENG = HAB_ENG_CAAM (0x1D)\n",
|
|
"ENG = HAB_ENG_SNVS (0x1E)\n",
|
|
"ENG = HAB_ENG_OCOTP (0x21)\n",
|
|
"ENG = HAB_ENG_DTCP (0x22)\n",
|
|
"ENG = HAB_ENG_ROM (0x36)\n",
|
|
"ENG = HAB_ENG_HDCP (0x24)\n",
|
|
"ENG = HAB_ENG_RTL (0x77)\n",
|
|
"ENG = HAB_ENG_SW (0xFF)\n",
|
|
"ENG = INVALID\n",
|
|
NULL};
|
|
|
|
char *ctx_str[] = {"CTX = HAB_CTX_ANY(0x00)\n",
|
|
"CTX = HAB_CTX_FAB (0xFF)\n",
|
|
"CTX = HAB_CTX_ENTRY (0xE1)\n",
|
|
"CTX = HAB_CTX_TARGET (0x33)\n",
|
|
"CTX = HAB_CTX_AUTHENTICATE (0x0A)\n",
|
|
"CTX = HAB_CTX_DCD (0xDD)\n",
|
|
"CTX = HAB_CTX_CSF (0xCF)\n",
|
|
"CTX = HAB_CTX_COMMAND (0xC0)\n",
|
|
"CTX = HAB_CTX_AUT_DAT (0xDB)\n",
|
|
"CTX = HAB_CTX_ASSERT (0xA0)\n",
|
|
"CTX = HAB_CTX_EXIT (0xEE)\n",
|
|
"CTX = INVALID\n",
|
|
NULL};
|
|
|
|
uint8_t hab_statuses[5] = {
|
|
HAB_STS_ANY,
|
|
HAB_FAILURE,
|
|
HAB_WARNING,
|
|
HAB_SUCCESS,
|
|
-1
|
|
};
|
|
|
|
uint8_t hab_reasons[26] = {
|
|
HAB_RSN_ANY,
|
|
HAB_ENG_FAIL,
|
|
HAB_INV_ADDRESS,
|
|
HAB_INV_ASSERTION,
|
|
HAB_INV_CALL,
|
|
HAB_INV_CERTIFICATE,
|
|
HAB_INV_COMMAND,
|
|
HAB_INV_CSF,
|
|
HAB_INV_DCD,
|
|
HAB_INV_INDEX,
|
|
HAB_INV_IVT,
|
|
HAB_INV_KEY,
|
|
HAB_INV_RETURN,
|
|
HAB_INV_SIGNATURE,
|
|
HAB_INV_SIZE,
|
|
HAB_MEM_FAIL,
|
|
HAB_OVR_COUNT,
|
|
HAB_OVR_STORAGE,
|
|
HAB_UNS_ALGORITHM,
|
|
HAB_UNS_COMMAND,
|
|
HAB_UNS_ENGINE,
|
|
HAB_UNS_ITEM,
|
|
HAB_UNS_KEY,
|
|
HAB_UNS_PROTOCOL,
|
|
HAB_UNS_STATE,
|
|
-1
|
|
};
|
|
|
|
uint8_t hab_contexts[12] = {
|
|
HAB_CTX_ANY,
|
|
HAB_CTX_FAB,
|
|
HAB_CTX_ENTRY,
|
|
HAB_CTX_TARGET,
|
|
HAB_CTX_AUTHENTICATE,
|
|
HAB_CTX_DCD,
|
|
HAB_CTX_CSF,
|
|
HAB_CTX_COMMAND,
|
|
HAB_CTX_AUT_DAT,
|
|
HAB_CTX_ASSERT,
|
|
HAB_CTX_EXIT,
|
|
-1
|
|
};
|
|
|
|
uint8_t hab_engines[16] = {
|
|
HAB_ENG_ANY,
|
|
HAB_ENG_SCC,
|
|
HAB_ENG_RTIC,
|
|
HAB_ENG_SAHARA,
|
|
HAB_ENG_CSU,
|
|
HAB_ENG_SRTC,
|
|
HAB_ENG_DCP,
|
|
HAB_ENG_CAAM,
|
|
HAB_ENG_SNVS,
|
|
HAB_ENG_OCOTP,
|
|
HAB_ENG_DTCP,
|
|
HAB_ENG_ROM,
|
|
HAB_ENG_HDCP,
|
|
HAB_ENG_RTL,
|
|
HAB_ENG_SW,
|
|
-1
|
|
};
|
|
|
|
static inline uint8_t get_idx(uint8_t *list, uint8_t tgt)
|
|
{
|
|
uint8_t idx = 0;
|
|
uint8_t element = list[idx];
|
|
while (element != -1) {
|
|
if (element == tgt)
|
|
return idx;
|
|
element = list[++idx];
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void process_event_record(uint8_t *event_data, size_t bytes)
|
|
{
|
|
struct record *rec = (struct record *)event_data;
|
|
|
|
printf("\n\n%s", sts_str[get_idx(hab_statuses, rec->contents[0])]);
|
|
printf("%s", rsn_str[get_idx(hab_reasons, rec->contents[1])]);
|
|
printf("%s", ctx_str[get_idx(hab_contexts, rec->contents[2])]);
|
|
printf("%s", eng_str[get_idx(hab_engines, rec->contents[3])]);
|
|
}
|
|
|
|
void display_event(uint8_t *event_data, size_t bytes)
|
|
{
|
|
uint32_t i;
|
|
|
|
if (!(event_data && bytes > 0))
|
|
return;
|
|
|
|
for (i = 0; i < bytes; i++) {
|
|
if (i == 0)
|
|
printf("\t0x%02x", event_data[i]);
|
|
else if ((i % 8) == 0)
|
|
printf("\n\t0x%02x", event_data[i]);
|
|
else
|
|
printf(" 0x%02x", event_data[i]);
|
|
}
|
|
|
|
process_event_record(event_data, bytes);
|
|
}
|
|
|
|
int get_hab_status(void)
|
|
{
|
|
uint32_t index = 0; /* Loop index */
|
|
uint8_t event_data[128]; /* Event data buffer */
|
|
size_t bytes = sizeof(event_data); /* Event size in bytes */
|
|
enum hab_config config = 0;
|
|
enum hab_state state = 0;
|
|
hab_rvt_report_event_t *hab_rvt_report_event;
|
|
hab_rvt_report_status_t *hab_rvt_report_status;
|
|
|
|
hab_rvt_report_event = hab_rvt_report_event_p;
|
|
hab_rvt_report_status = hab_rvt_report_status_p;
|
|
|
|
if (is_hab_enabled())
|
|
puts("\nSecure boot enabled\n");
|
|
else
|
|
puts("\nSecure boot disabled\n");
|
|
|
|
/* Check HAB status */
|
|
if (hab_rvt_report_status(&config, &state) != HAB_SUCCESS) {
|
|
printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
|
|
config, state);
|
|
|
|
/* Display HAB Error events */
|
|
while (hab_rvt_report_event(HAB_FAILURE, index, event_data,
|
|
&bytes) == HAB_SUCCESS) {
|
|
puts("\n");
|
|
printf("--------- HAB Event %d -----------------\n",
|
|
index + 1);
|
|
puts("event data:\n");
|
|
display_event(event_data, bytes);
|
|
puts("\n");
|
|
bytes = sizeof(event_data);
|
|
index++;
|
|
}
|
|
}
|
|
/* Display message if no HAB events are found */
|
|
else {
|
|
printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
|
|
config, state);
|
|
puts("No HAB Events Found!\n\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
if ((argc != 1)) {
|
|
cmd_usage(cmdtp);
|
|
return 1;
|
|
}
|
|
|
|
get_hab_status();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_authenticate_image(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
ulong addr, ivt_offset;
|
|
int rcode = 0;
|
|
|
|
if (argc < 3)
|
|
return CMD_RET_USAGE;
|
|
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
ivt_offset = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
rcode = authenticate_image(addr, ivt_offset);
|
|
|
|
return rcode;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status,
|
|
"display HAB status",
|
|
""
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
hab_auth_img, 3, 0, do_authenticate_image,
|
|
"authenticate image via HAB",
|
|
"addr ivt_offset\n"
|
|
"addr - image hex address\n"
|
|
"ivt_offset - hex offset of IVT in the image"
|
|
);
|
|
|
|
|
|
#endif /* !defined(CONFIG_SPL_BUILD) */
|
|
|
|
static bool is_hab_enabled(void)
|
|
{
|
|
struct imx_sec_config_fuse_t *fuse =
|
|
(struct imx_sec_config_fuse_t *)&imx_sec_config_fuse;
|
|
uint32_t reg;
|
|
int ret;
|
|
|
|
ret = fuse_read(fuse->bank, fuse->word, ®);
|
|
if (ret) {
|
|
puts("\nSecure boot fuse read error\n");
|
|
return ret;
|
|
}
|
|
|
|
return (reg & IS_HAB_ENABLED_BIT) == IS_HAB_ENABLED_BIT;
|
|
}
|
|
|
|
uint32_t authenticate_image(uint32_t ddr_start, uint32_t image_size)
|
|
{
|
|
uint32_t load_addr = 0;
|
|
size_t bytes;
|
|
ptrdiff_t ivt_offset = 0;
|
|
int result = 0;
|
|
ulong start;
|
|
hab_rvt_authenticate_image_t *hab_rvt_authenticate_image;
|
|
hab_rvt_entry_t *hab_rvt_entry;
|
|
hab_rvt_exit_t *hab_rvt_exit;
|
|
|
|
hab_rvt_authenticate_image = hab_rvt_authenticate_image_p;
|
|
hab_rvt_entry = hab_rvt_entry_p;
|
|
hab_rvt_exit = hab_rvt_exit_p;
|
|
|
|
if (is_hab_enabled()) {
|
|
printf("\nAuthenticate image from DDR location 0x%x...\n",
|
|
ddr_start);
|
|
|
|
hab_caam_clock_enable(1);
|
|
|
|
if (hab_rvt_entry() == HAB_SUCCESS) {
|
|
/* If not already aligned, Align to ALIGN_SIZE */
|
|
ivt_offset = (image_size + ALIGN_SIZE - 1) &
|
|
~(ALIGN_SIZE - 1);
|
|
|
|
start = ddr_start;
|
|
bytes = ivt_offset + IVT_SIZE + CSF_PAD_SIZE;
|
|
#ifdef DEBUG
|
|
printf("\nivt_offset = 0x%x, ivt addr = 0x%x\n",
|
|
ivt_offset, ddr_start + ivt_offset);
|
|
puts("Dumping IVT\n");
|
|
print_buffer(ddr_start + ivt_offset,
|
|
(void *)(ddr_start + ivt_offset),
|
|
4, 0x8, 0);
|
|
|
|
puts("Dumping CSF Header\n");
|
|
print_buffer(ddr_start + ivt_offset+IVT_SIZE,
|
|
(void *)(ddr_start + ivt_offset+IVT_SIZE),
|
|
4, 0x10, 0);
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
get_hab_status();
|
|
#endif
|
|
|
|
puts("\nCalling authenticate_image in ROM\n");
|
|
printf("\tivt_offset = 0x%x\n", ivt_offset);
|
|
printf("\tstart = 0x%08lx\n", start);
|
|
printf("\tbytes = 0x%x\n", bytes);
|
|
#endif
|
|
/*
|
|
* If the MMU is enabled, we have to notify the ROM
|
|
* code, or it won't flush the caches when needed.
|
|
* This is done, by setting the "pu_irom_mmu_enabled"
|
|
* word to 1. You can find its address by looking in
|
|
* the ROM map. This is critical for
|
|
* authenticate_image(). If MMU is enabled, without
|
|
* setting this bit, authentication will fail and may
|
|
* crash.
|
|
*/
|
|
/* Check MMU enabled */
|
|
if (is_soc_type(MXC_SOC_MX6) && get_cr() & CR_M) {
|
|
if (is_mx6dq()) {
|
|
/*
|
|
* This won't work on Rev 1.0.0 of
|
|
* i.MX6Q/D, since their ROM doesn't
|
|
* do cache flushes. don't think any
|
|
* exist, so we ignore them.
|
|
*/
|
|
if (!is_mx6dqp())
|
|
writel(1, MX6DQ_PU_IROM_MMU_EN_VAR);
|
|
} else if (is_mx6sdl()) {
|
|
writel(1, MX6DLS_PU_IROM_MMU_EN_VAR);
|
|
} else if (is_mx6sl()) {
|
|
writel(1, MX6SL_PU_IROM_MMU_EN_VAR);
|
|
}
|
|
}
|
|
|
|
load_addr = (uint32_t)hab_rvt_authenticate_image(
|
|
HAB_CID_UBOOT,
|
|
ivt_offset, (void **)&start,
|
|
(size_t *)&bytes, NULL);
|
|
if (hab_rvt_exit() != HAB_SUCCESS) {
|
|
puts("hab exit function fail\n");
|
|
load_addr = 0;
|
|
}
|
|
} else {
|
|
puts("hab entry function fail\n");
|
|
}
|
|
|
|
hab_caam_clock_enable(0);
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
get_hab_status();
|
|
#endif
|
|
} else {
|
|
puts("hab fuse not enabled\n");
|
|
}
|
|
|
|
if ((!is_hab_enabled()) || (load_addr != 0))
|
|
result = 1;
|
|
|
|
return result;
|
|
}
|