270 lines
7.3 KiB
C
270 lines
7.3 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2016 Michal Simek <michals@xilinx.com>
|
||
|
|
* Copyright (C) 2015 Nathan Rossi <nathan@nathanrossi.com>
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
|
*
|
||
|
|
* The following Boot Header format/structures and values are defined in the
|
||
|
|
* following documents:
|
||
|
|
* * ug1085 ZynqMP TRM (Chapter 9, Table 9-3)
|
||
|
|
*
|
||
|
|
* Expected Header Size = 0x9C0
|
||
|
|
* Forced as 'little' endian, 32-bit words
|
||
|
|
*
|
||
|
|
* 0x 0 - Interrupt table (8 words)
|
||
|
|
* ... (Default value = 0xeafffffe)
|
||
|
|
* 0x 1f
|
||
|
|
* 0x 20 - Width detection
|
||
|
|
* * DEFAULT_WIDTHDETECTION 0xaa995566
|
||
|
|
* 0x 24 - Image identifier
|
||
|
|
* * DEFAULT_IMAGEIDENTIFIER 0x584c4e58
|
||
|
|
* 0x 28 - Encryption
|
||
|
|
* * 0x00000000 - None
|
||
|
|
* * 0xa5c3c5a3 - eFuse
|
||
|
|
* * 0xa5c3c5a7 - obfuscated key in eFUSE
|
||
|
|
* * 0x3a5c3c5a - bbRam
|
||
|
|
* * 0xa35c7ca5 - obfuscated key in boot header
|
||
|
|
* 0x 2C - Image load
|
||
|
|
* 0x 30 - Image offset
|
||
|
|
* 0x 34 - PFW image length
|
||
|
|
* 0x 38 - Total PFW image length
|
||
|
|
* 0x 3C - Image length
|
||
|
|
* 0x 40 - Total image length
|
||
|
|
* 0x 44 - Image attributes
|
||
|
|
* 0x 48 - Header checksum
|
||
|
|
* 0x 4c - Obfuscated key
|
||
|
|
* ...
|
||
|
|
* 0x 68
|
||
|
|
* 0x 6c - Reserved
|
||
|
|
* 0x 70 - User defined
|
||
|
|
* ...
|
||
|
|
* 0x 9c
|
||
|
|
* 0x a0 - Secure header initialization vector
|
||
|
|
* ...
|
||
|
|
* 0x a8
|
||
|
|
* 0x ac - Obfuscated key initialization vector
|
||
|
|
* ...
|
||
|
|
* 0x b4
|
||
|
|
* 0x b8 - Register Initialization, 511 Address and Data word pairs
|
||
|
|
* * List is terminated with an address of 0xffffffff or
|
||
|
|
* ... * at the max number of entries
|
||
|
|
* 0x8b4
|
||
|
|
* 0x8b8 - Reserved
|
||
|
|
* ...
|
||
|
|
* 0x9bf
|
||
|
|
* 0x9c0 - Data/Image starts here or above
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "imagetool.h"
|
||
|
|
#include "mkimage.h"
|
||
|
|
#include <image.h>
|
||
|
|
|
||
|
|
#define HEADER_INTERRUPT_DEFAULT (cpu_to_le32(0xeafffffe))
|
||
|
|
#define HEADER_REGINIT_NULL (cpu_to_le32(0xffffffff))
|
||
|
|
#define HEADER_WIDTHDETECTION (cpu_to_le32(0xaa995566))
|
||
|
|
#define HEADER_IMAGEIDENTIFIER (cpu_to_le32(0x584c4e58))
|
||
|
|
|
||
|
|
enum {
|
||
|
|
ENCRYPTION_EFUSE = 0xa5c3c5a3,
|
||
|
|
ENCRYPTION_OEFUSE = 0xa5c3c5a7,
|
||
|
|
ENCRYPTION_BBRAM = 0x3a5c3c5a,
|
||
|
|
ENCRYPTION_OBBRAM = 0xa35c7ca5,
|
||
|
|
ENCRYPTION_NONE = 0x0,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct zynqmp_reginit {
|
||
|
|
uint32_t address;
|
||
|
|
uint32_t data;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define HEADER_INTERRUPT_VECTORS 8
|
||
|
|
#define HEADER_REGINITS 256
|
||
|
|
|
||
|
|
struct zynqmp_header {
|
||
|
|
uint32_t interrupt_vectors[HEADER_INTERRUPT_VECTORS]; /* 0x0 */
|
||
|
|
uint32_t width_detection; /* 0x20 */
|
||
|
|
uint32_t image_identifier; /* 0x24 */
|
||
|
|
uint32_t encryption; /* 0x28 */
|
||
|
|
uint32_t image_load; /* 0x2c */
|
||
|
|
uint32_t image_offset; /* 0x30 */
|
||
|
|
uint32_t pfw_image_length; /* 0x34 */
|
||
|
|
uint32_t total_pfw_image_length; /* 0x38 */
|
||
|
|
uint32_t image_size; /* 0x3c */
|
||
|
|
uint32_t image_stored_size; /* 0x40 */
|
||
|
|
uint32_t image_attributes; /* 0x44 */
|
||
|
|
uint32_t checksum; /* 0x48 */
|
||
|
|
uint32_t __reserved1[27]; /* 0x4c */
|
||
|
|
struct zynqmp_reginit register_init[HEADER_REGINITS]; /* 0xb8 */
|
||
|
|
uint32_t __reserved4[66]; /* 0x9c0 */
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct zynqmp_header zynqmpimage_header;
|
||
|
|
|
||
|
|
static uint32_t zynqmpimage_checksum(struct zynqmp_header *ptr)
|
||
|
|
{
|
||
|
|
uint32_t checksum = 0;
|
||
|
|
|
||
|
|
if (ptr == NULL)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
checksum += le32_to_cpu(ptr->width_detection);
|
||
|
|
checksum += le32_to_cpu(ptr->image_identifier);
|
||
|
|
checksum += le32_to_cpu(ptr->encryption);
|
||
|
|
checksum += le32_to_cpu(ptr->image_load);
|
||
|
|
checksum += le32_to_cpu(ptr->image_offset);
|
||
|
|
checksum += le32_to_cpu(ptr->pfw_image_length);
|
||
|
|
checksum += le32_to_cpu(ptr->total_pfw_image_length);
|
||
|
|
checksum += le32_to_cpu(ptr->image_size);
|
||
|
|
checksum += le32_to_cpu(ptr->image_stored_size);
|
||
|
|
checksum += le32_to_cpu(ptr->image_attributes);
|
||
|
|
checksum = ~checksum;
|
||
|
|
|
||
|
|
return cpu_to_le32(checksum);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void zynqmpimage_default_header(struct zynqmp_header *ptr)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ptr == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
ptr->width_detection = HEADER_WIDTHDETECTION;
|
||
|
|
ptr->image_attributes = 0x800;
|
||
|
|
ptr->image_identifier = HEADER_IMAGEIDENTIFIER;
|
||
|
|
ptr->encryption = cpu_to_le32(ENCRYPTION_NONE);
|
||
|
|
|
||
|
|
/* Setup not-supported/constant/reserved fields */
|
||
|
|
for (i = 0; i < HEADER_INTERRUPT_VECTORS; i++)
|
||
|
|
ptr->interrupt_vectors[i] = HEADER_INTERRUPT_DEFAULT;
|
||
|
|
|
||
|
|
for (i = 0; i < HEADER_REGINITS; i++) {
|
||
|
|
ptr->register_init[i].address = HEADER_REGINIT_NULL;
|
||
|
|
ptr->register_init[i].data = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Certain reserved fields are required to be set to 0, ensure they are
|
||
|
|
* set as such.
|
||
|
|
*/
|
||
|
|
ptr->pfw_image_length = 0x0;
|
||
|
|
ptr->total_pfw_image_length = 0x0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* mkimage glue functions */
|
||
|
|
static int zynqmpimage_verify_header(unsigned char *ptr, int image_size,
|
||
|
|
struct image_tool_params *params)
|
||
|
|
{
|
||
|
|
struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
|
||
|
|
|
||
|
|
if (image_size < sizeof(struct zynqmp_header))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (zynqhdr->width_detection != HEADER_WIDTHDETECTION)
|
||
|
|
return -1;
|
||
|
|
if (zynqhdr->image_identifier != HEADER_IMAGEIDENTIFIER)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (zynqmpimage_checksum(zynqhdr) != zynqhdr->checksum)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void zynqmpimage_print_header(const void *ptr)
|
||
|
|
{
|
||
|
|
struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
printf("Image Type : Xilinx Zynq Boot Image support\n");
|
||
|
|
printf("Image Offset : 0x%08x\n", le32_to_cpu(zynqhdr->image_offset));
|
||
|
|
printf("Image Size : %lu bytes (%lu bytes packed)\n",
|
||
|
|
(unsigned long)le32_to_cpu(zynqhdr->image_size),
|
||
|
|
(unsigned long)le32_to_cpu(zynqhdr->image_stored_size));
|
||
|
|
printf("Image Load : 0x%08x\n", le32_to_cpu(zynqhdr->image_load));
|
||
|
|
printf("Checksum : 0x%08x\n", le32_to_cpu(zynqhdr->checksum));
|
||
|
|
|
||
|
|
for (i = 0; i < HEADER_INTERRUPT_VECTORS; i++) {
|
||
|
|
if (zynqhdr->interrupt_vectors[i] == HEADER_INTERRUPT_DEFAULT)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
printf("Modified Interrupt Vector Address [%d]: 0x%08x\n", i,
|
||
|
|
le32_to_cpu(zynqhdr->interrupt_vectors[i]));
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < HEADER_REGINITS; i++) {
|
||
|
|
if (zynqhdr->register_init[i].address == HEADER_REGINIT_NULL)
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (i == 0)
|
||
|
|
printf("Custom Register Initialization:\n");
|
||
|
|
|
||
|
|
printf(" @ 0x%08x -> 0x%08x\n",
|
||
|
|
le32_to_cpu(zynqhdr->register_init[i].address),
|
||
|
|
le32_to_cpu(zynqhdr->register_init[i].data));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int zynqmpimage_check_params(struct image_tool_params *params)
|
||
|
|
{
|
||
|
|
if (!params)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (params->addr != 0x0) {
|
||
|
|
fprintf(stderr, "Error: Load Address cannot be specified.\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If the entry point is specified ensure it is 64 byte aligned.
|
||
|
|
*/
|
||
|
|
if (params->eflag && (params->ep % 64 != 0)) {
|
||
|
|
fprintf(stderr,
|
||
|
|
"Error: Entry Point must be aligned to a 64-byte boundary.\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return !(params->lflag || params->dflag);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int zynqmpimage_check_image_types(uint8_t type)
|
||
|
|
{
|
||
|
|
if (type == IH_TYPE_ZYNQMPIMAGE)
|
||
|
|
return EXIT_SUCCESS;
|
||
|
|
return EXIT_FAILURE;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void zynqmpimage_set_header(void *ptr, struct stat *sbuf, int ifd,
|
||
|
|
struct image_tool_params *params)
|
||
|
|
{
|
||
|
|
struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
|
||
|
|
zynqmpimage_default_header(zynqhdr);
|
||
|
|
|
||
|
|
/* place image directly after header */
|
||
|
|
zynqhdr->image_offset =
|
||
|
|
cpu_to_le32((uint32_t)sizeof(struct zynqmp_header));
|
||
|
|
zynqhdr->image_size = cpu_to_le32(params->file_size -
|
||
|
|
sizeof(struct zynqmp_header));
|
||
|
|
zynqhdr->image_stored_size = zynqhdr->image_size;
|
||
|
|
zynqhdr->image_load = 0xfffc0000;
|
||
|
|
if (params->eflag)
|
||
|
|
zynqhdr->image_load = cpu_to_le32((uint32_t)params->ep);
|
||
|
|
|
||
|
|
zynqhdr->checksum = zynqmpimage_checksum(zynqhdr);
|
||
|
|
}
|
||
|
|
|
||
|
|
U_BOOT_IMAGE_TYPE(
|
||
|
|
zynqmpimage,
|
||
|
|
"Xilinx ZynqMP Boot Image support",
|
||
|
|
sizeof(struct zynqmp_header),
|
||
|
|
(void *)&zynqmpimage_header,
|
||
|
|
zynqmpimage_check_params,
|
||
|
|
zynqmpimage_verify_header,
|
||
|
|
zynqmpimage_print_header,
|
||
|
|
zynqmpimage_set_header,
|
||
|
|
NULL,
|
||
|
|
zynqmpimage_check_image_types,
|
||
|
|
NULL,
|
||
|
|
NULL
|
||
|
|
);
|