--- /dev/null
+/*
+ * 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
+);
projects / oweals / u-boot.git / commitdiff