1 /* 2 * (C) Copyright 2008 3 * Marvell Semiconductor <www.marvell.com> 4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef _KWBIMAGE_H_ 10 #define _KWBIMAGE_H_ 11 12 #include <compiler.h> 13 #include <stdint.h> 14 15 #define KWBIMAGE_MAX_CONFIG ((0x1dc - 0x20)/sizeof(struct reg_config)) 16 #define MAX_TEMPBUF_LEN 32 17 18 /* NAND ECC Mode */ 19 #define IBR_HDR_ECC_DEFAULT 0x00 20 #define IBR_HDR_ECC_FORCED_HAMMING 0x01 21 #define IBR_HDR_ECC_FORCED_RS 0x02 22 #define IBR_HDR_ECC_DISABLED 0x03 23 24 /* Boot Type - block ID */ 25 #define IBR_HDR_I2C_ID 0x4D 26 #define IBR_HDR_SPI_ID 0x5A 27 #define IBR_HDR_NAND_ID 0x8B 28 #define IBR_HDR_SATA_ID 0x78 29 #define IBR_HDR_PEX_ID 0x9C 30 #define IBR_HDR_UART_ID 0x69 31 #define IBR_DEF_ATTRIB 0x00 32 33 #define ALIGN_SUP(x, a) (((x) + (a - 1)) & ~(a - 1)) 34 35 /* Structure of the main header, version 0 (Kirkwood, Dove) */ 36 struct main_hdr_v0 { 37 uint8_t blockid; /*0 */ 38 uint8_t nandeccmode; /*1 */ 39 uint16_t nandpagesize; /*2-3 */ 40 uint32_t blocksize; /*4-7 */ 41 uint32_t rsvd1; /*8-11 */ 42 uint32_t srcaddr; /*12-15 */ 43 uint32_t destaddr; /*16-19 */ 44 uint32_t execaddr; /*20-23 */ 45 uint8_t satapiomode; /*24 */ 46 uint8_t rsvd3; /*25 */ 47 uint16_t ddrinitdelay; /*26-27 */ 48 uint16_t rsvd2; /*28-29 */ 49 uint8_t ext; /*30 */ 50 uint8_t checksum; /*31 */ 51 }; 52 53 struct ext_hdr_v0_reg { 54 uint32_t raddr; 55 uint32_t rdata; 56 }; 57 58 #define EXT_HDR_V0_REG_COUNT ((0x1dc - 0x20) / sizeof(struct ext_hdr_v0_reg)) 59 60 struct ext_hdr_v0 { 61 uint32_t offset; 62 uint8_t reserved[0x20 - sizeof(uint32_t)]; 63 struct ext_hdr_v0_reg rcfg[EXT_HDR_V0_REG_COUNT]; 64 uint8_t reserved2[7]; 65 uint8_t checksum; 66 }; 67 68 struct kwb_header { 69 struct main_hdr_v0 kwb_hdr; 70 struct ext_hdr_v0 kwb_exthdr; 71 }; 72 73 /* Structure of the main header, version 1 (Armada 370, Armada XP) */ 74 struct main_hdr_v1 { 75 uint8_t blockid; /* 0 */ 76 uint8_t reserved1; /* 1 */ 77 uint16_t reserved2; /* 2-3 */ 78 uint32_t blocksize; /* 4-7 */ 79 uint8_t version; /* 8 */ 80 uint8_t headersz_msb; /* 9 */ 81 uint16_t headersz_lsb; /* A-B */ 82 uint32_t srcaddr; /* C-F */ 83 uint32_t destaddr; /* 10-13 */ 84 uint32_t execaddr; /* 14-17 */ 85 uint8_t reserved3; /* 18 */ 86 uint8_t nandblocksize; /* 19 */ 87 uint8_t nandbadblklocation; /* 1A */ 88 uint8_t reserved4; /* 1B */ 89 uint16_t reserved5; /* 1C-1D */ 90 uint8_t ext; /* 1E */ 91 uint8_t checksum; /* 1F */ 92 }; 93 94 /* 95 * Header for the optional headers, version 1 (Armada 370, Armada XP) 96 */ 97 struct opt_hdr_v1 { 98 uint8_t headertype; 99 uint8_t headersz_msb; 100 uint16_t headersz_lsb; 101 char data[0]; 102 }; 103 104 /* 105 * Various values for the opt_hdr_v1->headertype field, describing the 106 * different types of optional headers. The "secure" header contains 107 * informations related to secure boot (encryption keys, etc.). The 108 * "binary" header contains ARM binary code to be executed prior to 109 * executing the main payload (usually the bootloader). This is 110 * typically used to execute DDR3 training code. The "register" header 111 * allows to describe a set of (address, value) tuples that are 112 * generally used to configure the DRAM controller. 113 */ 114 #define OPT_HDR_V1_SECURE_TYPE 0x1 115 #define OPT_HDR_V1_BINARY_TYPE 0x2 116 #define OPT_HDR_V1_REGISTER_TYPE 0x3 117 118 #define KWBHEADER_V1_SIZE(hdr) \ 119 (((hdr)->headersz_msb << 16) | le16_to_cpu((hdr)->headersz_lsb)) 120 121 enum kwbimage_cmd { 122 CMD_INVALID, 123 CMD_BOOT_FROM, 124 CMD_NAND_ECC_MODE, 125 CMD_NAND_PAGE_SIZE, 126 CMD_SATA_PIO_MODE, 127 CMD_DDR_INIT_DELAY, 128 CMD_DATA 129 }; 130 131 enum kwbimage_cmd_types { 132 CFG_INVALID = -1, 133 CFG_COMMAND, 134 CFG_DATA0, 135 CFG_DATA1 136 }; 137 138 /* 139 * functions 140 */ 141 void init_kwb_image_type (void); 142 143 /* 144 * Byte 8 of the image header contains the version number. In the v0 145 * header, byte 8 was reserved, and always set to 0. In the v1 header, 146 * byte 8 has been changed to a proper field, set to 1. 147 */ 148 static inline unsigned int image_version(void *header) 149 { 150 unsigned char *ptr = header; 151 return ptr[8]; 152 } 153 154 #endif /* _KWBIMAGE_H_ */ 155