--- /dev/null
+/*
+ * Freescale i.MX28 SB image generator
+ *
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __MXSSB_H__
+#define __MXSSB_H__
+
+#include <stdint.h>
+#include <arpa/inet.h>
+
+#define SB_BLOCK_SIZE 16
+
+#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+struct sb_boot_image_version {
+ uint16_t major;
+ uint16_t pad0;
+ uint16_t minor;
+ uint16_t pad1;
+ uint16_t revision;
+ uint16_t pad2;
+};
+
+struct sb_boot_image_header {
+ union {
+ /* SHA1 of the header. */
+ uint8_t digest[20];
+ struct {
+ /* CBC-MAC initialization vector. */
+ uint8_t iv[16];
+ uint8_t extra[4];
+ };
+ };
+ /* 'STMP' */
+ uint8_t signature1[4];
+ /* Major version of the image format. */
+ uint8_t major_version;
+ /* Minor version of the image format. */
+ uint8_t minor_version;
+ /* Flags associated with the image. */
+ uint16_t flags;
+ /* Size of the image in 16b blocks. */
+ uint32_t image_blocks;
+ /* Offset of the first tag in 16b blocks. */
+ uint32_t first_boot_tag_block;
+ /* ID of the section to boot from. */
+ uint32_t first_boot_section_id;
+ /* Amount of crypto keys. */
+ uint16_t key_count;
+ /* Offset to the key dictionary in 16b blocks. */
+ uint16_t key_dictionary_block;
+ /* Size of this header in 16b blocks. */
+ uint16_t header_blocks;
+ /* Amount of section headers. */
+ uint16_t section_count;
+ /* Section header size in 16b blocks. */
+ uint16_t section_header_size;
+ /* Padding to align timestamp to uint64_t. */
+ uint8_t padding0[2];
+ /* 'sgtl' (since v1.1) */
+ uint8_t signature2[4];
+ /* Image generation date, in microseconds since 1.1.2000 . */
+ uint64_t timestamp_us;
+ /* Product version. */
+ struct sb_boot_image_version
+ product_version;
+ /* Component version. */
+ struct sb_boot_image_version
+ component_version;
+ /* Drive tag for the system drive. (since v1.1) */
+ uint16_t drive_tag;
+ /* Padding. */
+ uint8_t padding1[6];
+};
+
+#define SB_VERSION_MAJOR 1
+#define SB_VERSION_MINOR 1
+
+/* Enable to HTLLC verbose boot report. */
+#define SB_IMAGE_FLAG_VERBOSE (1 << 0)
+
+struct sb_key_dictionary_key {
+ /* The CBC-MAC of image and sections header. */
+ uint8_t cbc_mac[SB_BLOCK_SIZE];
+ /* The AES key encrypted by image key (zero). */
+ uint8_t key[SB_BLOCK_SIZE];
+};
+
+struct sb_ivt_header {
+ uint32_t header;
+ uint32_t entry;
+ uint32_t reserved1;
+ uint32_t dcd;
+ uint32_t boot_data;
+ uint32_t self;
+ uint32_t csf;
+ uint32_t reserved2;
+};
+
+#define SB_HAB_IVT_TAG 0xd1UL
+#define SB_HAB_DCD_TAG 0xd2UL
+
+#define SB_HAB_VERSION 0x40UL
+
+/*
+ * The "size" field in the IVT header is not naturally aligned,
+ * use this macro to fill first 4 bytes of the IVT header without
+ * causing issues on some systems (esp. M68k, PPC, MIPS-BE, ARM-BE).
+ */
+static inline uint32_t sb_hab_ivt_header(void)
+{
+ uint32_t ret = 0;
+ ret |= SB_HAB_IVT_TAG << 24;
+ ret |= sizeof(struct sb_ivt_header) << 16;
+ ret |= SB_HAB_VERSION;
+ return htonl(ret);
+}
+
+struct sb_sections_header {
+ /* Section number. */
+ uint32_t section_number;
+ /* Offset of this sections first instruction after "TAG". */
+ uint32_t section_offset;
+ /* Size of the section in 16b blocks. */
+ uint32_t section_size;
+ /* Section flags. */
+ uint32_t section_flags;
+};
+
+#define SB_SECTION_FLAG_BOOTABLE (1 << 0)
+
+struct sb_command {
+ struct {
+ uint8_t checksum;
+ uint8_t tag;
+ uint16_t flags;
+#define ROM_TAG_CMD_FLAG_ROM_LAST_TAG 0x1
+#define ROM_LOAD_CMD_FLAG_DCD_LOAD 0x1 /* MX28 only */
+#define ROM_JUMP_CMD_FLAG_HAB 0x1 /* MX28 only */
+#define ROM_CALL_CMD_FLAG_HAB 0x1 /* MX28 only */
+ } header;
+
+ union {
+ struct {
+ uint32_t reserved[3];
+ } nop;
+ struct {
+ uint32_t section_number;
+ uint32_t section_length;
+ uint32_t section_flags;
+ } tag;
+ struct {
+ uint32_t address;
+ uint32_t count;
+ uint32_t crc32;
+ } load;
+ struct {
+ uint32_t address;
+ uint32_t count;
+ uint32_t pattern;
+ } fill;
+ struct {
+ uint32_t address;
+ uint32_t reserved;
+ /* Passed in register r0 before JUMP */
+ uint32_t argument;
+ } jump;
+ struct {
+ uint32_t address;
+ uint32_t reserved;
+ /* Passed in register r0 before CALL */
+ uint32_t argument;
+ } call;
+ struct {
+ uint32_t reserved1;
+ uint32_t reserved2;
+ uint32_t mode;
+ } mode;
+
+ };
+};
+
+/*
+ * Most of the mode names are same or at least similar
+ * on i.MX23 and i.MX28, but some of the mode names
+ * differ. The "name" field represents the mode name
+ * on i.MX28 as seen in Table 12-2 of the datasheet.
+ * The "altname" field represents the differently named
+ * fields on i.MX23 as seen in Table 35-3 of the
+ * datasheet.
+ */
+static const struct {
+ const char *name;
+ const char *altname;
+ const uint8_t mode;
+} modetable[] = {
+ { "USB", NULL, 0x00 },
+ { "I2C", NULL, 0x01 },
+ { "SPI2_FLASH", "SPI1_FLASH", 0x02 },
+ { "SPI3_FLASH", "SPI2_FLASH", 0x03 },
+ { "NAND_BCH", NULL, 0x04 },
+ { "JTAG", NULL, 0x06 },
+ { "SPI3_EEPROM", "SPI2_EEPROM", 0x08 },
+ { "SD_SSP0", NULL, 0x09 },
+ { "SD_SSP1", NULL, 0x0A }
+};
+
+enum sb_tag {
+ ROM_NOP_CMD = 0x00,
+ ROM_TAG_CMD = 0x01,
+ ROM_LOAD_CMD = 0x02,
+ ROM_FILL_CMD = 0x03,
+ ROM_JUMP_CMD = 0x04,
+ ROM_CALL_CMD = 0x05,
+ ROM_MODE_CMD = 0x06
+};
+
+struct sb_source_entry {
+ uint8_t tag;
+ uint32_t address;
+ uint32_t flags;
+ char *filename;
+};
+
+#endif /* __MXSSB_H__ */
Code Review / kvmfornfv.git / blobdiff