blob: 52f49bf01fe2a1c360f920a885ec933e64c54b62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// SPDX-License-Identifier: GPL-2.0
/*
* K3: Security functions
*
* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
* Andrew F. Davis <afd@ti.com>
*/
#include <common.h>
#include <dm.h>
#include <linux/soc/ti/ti_sci_protocol.h>
#include <mach/spl.h>
#include <spl.h>
void board_fit_image_post_process(void **p_image, size_t *p_size)
{
struct udevice *dev;
struct ti_sci_handle *ti_sci;
struct ti_sci_proc_ops *proc_ops;
u64 image_addr;
u32 image_size;
int ret;
/* Get handle to Device Management and Security Controller (SYSFW) */
ret = uclass_get_device_by_name(UCLASS_FIRMWARE, "dmsc", &dev);
if (ret) {
printf("Failed to get handle to SYSFW (%d)\n", ret);
hang();
}
ti_sci = (struct ti_sci_handle *)(ti_sci_get_handle_from_sysfw(dev));
proc_ops = &ti_sci->ops.proc_ops;
image_addr = (uintptr_t)*p_image;
debug("Authenticating image at address 0x%016llx\n", image_addr);
/* Authenticate image */
ret = proc_ops->proc_auth_boot_image(ti_sci, &image_addr, &image_size);
if (ret) {
printf("Authentication failed!\n");
hang();
}
/*
* The image_size returned may be 0 when the authentication process has
* moved the image. When this happens no further processing on the
* image is needed or often even possible as it may have also been
* placed behind a firewall when moved.
*/
*p_size = image_size;
/*
* Output notification of successful authentication to re-assure the
* user that the secure code is being processed as expected. However
* suppress any such log output in case of building for SPL and booting
* via YMODEM. This is done to avoid disturbing the YMODEM serial
* protocol transactions.
*/
if (!(IS_ENABLED(CONFIG_SPL_BUILD) &&
IS_ENABLED(CONFIG_SPL_YMODEM_SUPPORT) &&
spl_boot_device() == BOOT_DEVICE_UART))
printf("Authentication passed\n");
}
|
