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Diffstat (limited to 'tools/kwbimage.h')
-rw-r--r-- | tools/kwbimage.h | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/tools/kwbimage.h b/tools/kwbimage.h new file mode 100644 index 00000000000..e1fa2e4e215 --- /dev/null +++ b/tools/kwbimage.h @@ -0,0 +1,378 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2008 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + */ + +#ifndef _KWBIMAGE_H_ +#define _KWBIMAGE_H_ + +#include <compiler.h> +#include <stdint.h> + +#include <linux/compiler_attributes.h> + +#define KWBIMAGE_MAX_CONFIG ((0x1dc - 0x20)/sizeof(struct reg_config)) +#define MAX_TEMPBUF_LEN 32 + +/* NAND ECC Mode */ +#define IBR_HDR_ECC_DEFAULT 0x00 +#define IBR_HDR_ECC_FORCED_HAMMING 0x01 +#define IBR_HDR_ECC_FORCED_RS 0x02 +#define IBR_HDR_ECC_DISABLED 0x03 + +/* Boot Type - block ID */ +#define IBR_HDR_I2C_ID 0x4D +#define IBR_HDR_SPI_ID 0x5A +#define IBR_HDR_NAND_ID 0x8B +#define IBR_HDR_SATA_ID 0x78 +#define IBR_HDR_PEX_ID 0x9C +#define IBR_HDR_UART_ID 0x69 +#define IBR_HDR_SDIO_ID 0xAE +#define IBR_DEF_ATTRIB 0x00 + +/* Structure of the main header, version 0 (Kirkwood, Dove) */ +struct main_hdr_v0 { + uint8_t blockid; /* 0x0 */ + uint8_t nandeccmode; /* 0x1 */ + uint16_t nandpagesize; /* 0x2-0x3 */ + uint32_t blocksize; /* 0x4-0x7 */ + uint8_t version; /* 0x8 */ + uint8_t rsvd1[3]; /* 0x9-0xB */ + uint32_t srcaddr; /* 0xC-0xF */ + uint32_t destaddr; /* 0x10-0x13 */ + uint32_t execaddr; /* 0x14-0x17 */ + uint8_t satapiomode; /* 0x18 */ + uint8_t nandblocksize; /* 0x19 */ + union { + uint8_t nandbadblklocation; /* 0x1A */ + uint16_t ddrinitdelay; /* 0x1A-0x1B */ + }; + uint8_t rsvd2; /* 0x1C */ + uint8_t bin; /* 0x1D */ + uint8_t ext; /* 0x1E */ + uint8_t checksum; /* 0x1F */ +} __packed; + +struct ext_hdr_v0_reg { + uint32_t raddr; + uint32_t rdata; +} __packed; + +/* Structure of the extension header, version 0 (Kirkwood, Dove) */ +struct ext_hdr_v0 { + /* + * Beware that extension header offsets specified in 88AP510 Functional + * Specifications are relative to the start of the main header, not to + * the start of the extension header itself. + */ + uint32_t offset; /* 0x0-0x3 */ + uint8_t rsvd1[8]; /* 0x4-0xB */ + uint32_t enddelay; /* 0xC-0xF */ + uint32_t match_addr; /* 0x10-0x13 */ + uint32_t match_mask; /* 0x14-0x17 */ + uint32_t match_value; /* 0x18-0x1B */ + uint8_t ddrwritetype; /* 0x1C */ + uint8_t ddrresetmpp; /* 0x1D */ + uint8_t ddrclkenmpp; /* 0x1E */ + uint8_t ddrinitdelay; /* 0x1F */ + struct ext_hdr_v0_reg rcfg[55]; /* 0x20-0x1D7 */ + uint8_t rsvd2[7]; /* 0x1D8-0x1DE */ + uint8_t checksum; /* 0x1DF */ +} __packed; + +/* Structure of the binary code header, version 0 (Dove) */ +struct bin_hdr_v0 { + uint32_t match_addr; /* 0x00-0x03 */ + uint32_t match_mask; /* 0x04-0x07 */ + uint32_t match_value; /* 0x08-0x0B */ + uint32_t offset; /* 0x0C-0x0F */ + uint32_t destaddr; /* 0x10-0x13 */ + uint32_t size; /* 0x14-0x17 */ + uint32_t execaddr; /* 0x18-0x1B */ + uint32_t params[4]; /* 0x1C-0x2B */ + uint8_t params_flags; /* 0x2C */ + uint8_t rsvd1; /* 0x2D */ + uint8_t rsvd2; /* 0x2E */ + uint8_t checksum; /* 0x2F */ + uint8_t code[2000]; /* 0x30-0x7FF */ +} __packed; + +/* Structure of the main header, version 1 (Armada 370/XP/375/38x/39x) */ +struct main_hdr_v1 { + uint8_t blockid; /* 0x0 */ + uint8_t flags; /* 0x1 */ + uint16_t nandpagesize; /* 0x2-0x3 */ + uint32_t blocksize; /* 0x4-0x7 */ + uint8_t version; /* 0x8 */ + uint8_t headersz_msb; /* 0x9 */ + uint16_t headersz_lsb; /* 0xA-0xB */ + uint32_t srcaddr; /* 0xC-0xF */ + uint32_t destaddr; /* 0x10-0x13 */ + uint32_t execaddr; /* 0x14-0x17 */ + uint8_t options; /* 0x18 */ + uint8_t nandblocksize; /* 0x19 */ + uint8_t nandbadblklocation; /* 0x1A */ + uint8_t reserved4; /* 0x1B */ + uint16_t reserved5; /* 0x1C-0x1D */ + uint8_t ext; /* 0x1E */ + uint8_t checksum; /* 0x1F */ +} __packed; + +/* + * Main header options + */ +#define MAIN_HDR_V1_OPT_BAUD_DEFAULT 0 +#define MAIN_HDR_V1_OPT_BAUD_2400 0x1 +#define MAIN_HDR_V1_OPT_BAUD_4800 0x2 +#define MAIN_HDR_V1_OPT_BAUD_9600 0x3 +#define MAIN_HDR_V1_OPT_BAUD_19200 0x4 +#define MAIN_HDR_V1_OPT_BAUD_38400 0x5 +#define MAIN_HDR_V1_OPT_BAUD_57600 0x6 +#define MAIN_HDR_V1_OPT_BAUD_115200 0x7 + +/* + * Header for the optional headers, version 1 (Armada 370/XP/375/38x/39x) + */ +struct opt_hdr_v1 { + uint8_t headertype; + uint8_t headersz_msb; + uint16_t headersz_lsb; + char data[0]; +} __packed; + +/* + * Public Key data in DER format + */ +struct pubkey_der_v1 { + uint8_t key[524]; +} __packed; + +/* + * Signature (RSA 2048) + */ +struct sig_v1 { + uint8_t sig[256]; +} __packed; + +/* + * Structure of secure header (Armada XP/375/38x/39x) + */ +struct secure_hdr_v1 { + uint8_t headertype; /* 0x0 */ + uint8_t headersz_msb; /* 0x1 */ + uint16_t headersz_lsb; /* 0x2 - 0x3 */ + uint32_t reserved1; /* 0x4 - 0x7 */ + struct pubkey_der_v1 kak; /* 0x8 - 0x213 */ + uint8_t jtag_delay; /* 0x214 */ + uint8_t reserved2; /* 0x215 */ + uint16_t reserved3; /* 0x216 - 0x217 */ + uint32_t boxid; /* 0x218 - 0x21B */ + uint32_t flashid; /* 0x21C - 0x21F */ + struct sig_v1 hdrsig; /* 0x220 - 0x31F */ + struct sig_v1 imgsig; /* 0x320 - 0x41F */ + struct pubkey_der_v1 csk[16]; /* 0x420 - 0x24DF */ + struct sig_v1 csksig; /* 0x24E0 - 0x25DF */ + uint8_t next; /* 0x25E0 */ + uint8_t reserved4; /* 0x25E1 */ + uint16_t reserved5; /* 0x25E2 - 0x25E3 */ +} __packed; + +/* + * Structure of register set + */ +struct register_set_hdr_v1 { + uint8_t headertype; /* 0x0 */ + uint8_t headersz_msb; /* 0x1 */ + uint16_t headersz_lsb; /* 0x2 - 0x3 */ + union { + struct { + uint32_t address; /* 0x4+8*N - 0x7+8*N */ + uint32_t value; /* 0x8+8*N - 0xB+8*N */ + } __packed entry; + struct { + uint8_t next; /* 0xC+8*N */ + uint8_t delay; /* 0xD+8*N */ + uint16_t reserved; /* 0xE+8*N - 0xF+8*N */ + } __packed last_entry; + } data[]; +} __packed; + +/* + * Value 0 in register_set_hdr_v1 delay field is special. + * Instead of delay it setup SDRAM Controller. + */ +#define REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP 0 +#define REGISTER_SET_HDR_OPT_DELAY_MS(val) ((val) ?: 1) + +/* + * Various values for the opt_hdr_v1->headertype field, describing the + * different types of optional headers. The "secure" header contains + * informations related to secure boot (encryption keys, etc.). The + * "binary" header contains ARM binary code to be executed prior to + * executing the main payload (usually the bootloader). This is + * typically used to execute DDR3 training code. The "register" header + * allows to describe a set of (address, value) tuples that are + * generally used to configure the DRAM controller. + */ +#define OPT_HDR_V1_SECURE_TYPE 0x1 +#define OPT_HDR_V1_BINARY_TYPE 0x2 +#define OPT_HDR_V1_REGISTER_TYPE 0x3 + +/* + * Byte 8 of the image header contains the version number. In the v0 + * header, byte 8 was reserved, and always set to 0. In the v1 header, + * byte 8 has been changed to a proper field, set to 1. + */ +static inline unsigned int kwbimage_version(const void *header) +{ + const unsigned char *ptr = header; + return ptr[8]; +} + +static inline size_t kwbheader_size(const void *header) +{ + if (kwbimage_version(header) == 0) { + const struct main_hdr_v0 *hdr = header; + + /* + * First extension header starts immediately after the main + * header without any padding. Between extension headers is + * 0x20 byte padding. There is no padding after the last + * extension header. First binary code header starts immediately + * after the last extension header (or immediately after the + * main header if there is no extension header) without any + * padding. There is no padding between binary code headers and + * neither after the last binary code header. + */ + return sizeof(*hdr) + + hdr->ext * sizeof(struct ext_hdr_v0) + + ((hdr->ext > 1) ? ((hdr->ext - 1) * 0x20) : 0) + + hdr->bin * sizeof(struct bin_hdr_v0); + } else { + const struct main_hdr_v1 *hdr = header; + + return (hdr->headersz_msb << 16) | + le16_to_cpu(hdr->headersz_lsb); + } +} + +static inline size_t kwbheader_size_for_csum(const void *header) +{ + if (kwbimage_version(header) == 0) + return sizeof(struct main_hdr_v0); + else + return kwbheader_size(header); +} + +static inline struct ext_hdr_v0 *ext_hdr_v0_first(void *img) +{ + struct main_hdr_v0 *mhdr; + + if (kwbimage_version(img) != 0) + return NULL; + + mhdr = img; + if (mhdr->ext) + return (struct ext_hdr_v0 *)(mhdr + 1); + else + return NULL; +} + +static inline void *_ext_hdr_v0_end(struct main_hdr_v0 *mhdr) +{ + return (uint8_t *)mhdr + kwbheader_size(mhdr) - mhdr->bin * sizeof(struct bin_hdr_v0); +} + +static inline struct ext_hdr_v0 *ext_hdr_v0_next(void *img, struct ext_hdr_v0 *cur) +{ + if ((void *)(cur + 1) < _ext_hdr_v0_end(img)) + return (struct ext_hdr_v0 *)((uint8_t *)(cur + 1) + 0x20); + else + return NULL; +} + +#define for_each_ext_hdr_v0(ehdr, img) \ + for ((ehdr) = ext_hdr_v0_first((img)); \ + (ehdr) != NULL; \ + (ehdr) = ext_hdr_v0_next((img), (ehdr))) + +static inline struct bin_hdr_v0 *bin_hdr_v0_first(void *img) +{ + struct main_hdr_v0 *mhdr; + + if (kwbimage_version(img) != 0) + return NULL; + + mhdr = img; + if (mhdr->bin) + return _ext_hdr_v0_end(mhdr); + else + return NULL; +} + +#define for_each_bin_hdr_v0(bhdr, img) \ + for ((bhdr) = bin_hdr_v0_first((img)); \ + (bhdr) && (void *)(bhdr) < (void *)((uint8_t *)img + kwbheader_size(img)); \ + (bhdr) = (struct bin_hdr_v0 *)((bhdr))+1) + +static inline uint32_t opt_hdr_v1_size(const struct opt_hdr_v1 *ohdr) +{ + return (ohdr->headersz_msb << 16) | le16_to_cpu(ohdr->headersz_lsb); +} + +static inline int opt_hdr_v1_valid_size(const struct opt_hdr_v1 *ohdr, + const void *mhdr_end) +{ + uint32_t ohdr_size; + + if ((const void *)(ohdr + 1) > mhdr_end) + return 0; + + ohdr_size = opt_hdr_v1_size(ohdr); + if (ohdr_size < 8 || (const void *)((const uint8_t *)ohdr + ohdr_size) > mhdr_end) + return 0; + + return 1; +} + +static inline struct opt_hdr_v1 *opt_hdr_v1_first(void *img) { + struct main_hdr_v1 *mhdr; + + if (kwbimage_version(img) != 1) + return NULL; + + mhdr = img; + if (mhdr->ext) + return (struct opt_hdr_v1 *)(mhdr + 1); + else + return NULL; +} + +static inline uint8_t *opt_hdr_v1_ext(struct opt_hdr_v1 *cur) +{ + uint32_t size = opt_hdr_v1_size(cur); + + return (uint8_t *)cur + size - 4; +} + +static inline struct opt_hdr_v1 *_opt_hdr_v1_next(struct opt_hdr_v1 *cur) +{ + return (struct opt_hdr_v1 *)((uint8_t *)cur + opt_hdr_v1_size(cur)); +} + +static inline struct opt_hdr_v1 *opt_hdr_v1_next(struct opt_hdr_v1 *cur) +{ + if (*opt_hdr_v1_ext(cur)) + return _opt_hdr_v1_next(cur); + else + return NULL; +} + +#define for_each_opt_hdr_v1(ohdr, img) \ + for ((ohdr) = opt_hdr_v1_first((img)); \ + (ohdr) != NULL; \ + (ohdr) = opt_hdr_v1_next((ohdr))) + +#endif /* _KWBIMAGE_H_ */ |