kwbimage.h
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/*
* (C) Copyright 2008
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _KWBIMAGE_H_
#define _KWBIMAGE_H_
#include <compiler.h>
#include <stdint.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_DEF_ATTRIB 0x00
#define ALIGN_SUP(x, a) (((x) + (a - 1)) & ~(a - 1))
/* Structure of the main header, version 0 (Kirkwood, Dove) */
struct main_hdr_v0 {
uint8_t blockid; /*0 */
uint8_t nandeccmode; /*1 */
uint16_t nandpagesize; /*2-3 */
uint32_t blocksize; /*4-7 */
uint32_t rsvd1; /*8-11 */
uint32_t srcaddr; /*12-15 */
uint32_t destaddr; /*16-19 */
uint32_t execaddr; /*20-23 */
uint8_t satapiomode; /*24 */
uint8_t rsvd3; /*25 */
uint16_t ddrinitdelay; /*26-27 */
uint16_t rsvd2; /*28-29 */
uint8_t ext; /*30 */
uint8_t checksum; /*31 */
};
struct ext_hdr_v0_reg {
uint32_t raddr;
uint32_t rdata;
};
#define EXT_HDR_V0_REG_COUNT ((0x1dc - 0x20) / sizeof(struct ext_hdr_v0_reg))
struct ext_hdr_v0 {
uint32_t offset;
uint8_t reserved[0x20 - sizeof(uint32_t)];
struct ext_hdr_v0_reg rcfg[EXT_HDR_V0_REG_COUNT];
uint8_t reserved2[7];
uint8_t checksum;
};
struct kwb_header {
struct main_hdr_v0 kwb_hdr;
struct ext_hdr_v0 kwb_exthdr;
};
/* Structure of the main header, version 1 (Armada 370, Armada XP) */
struct main_hdr_v1 {
uint8_t blockid; /* 0 */
uint8_t reserved1; /* 1 */
uint16_t reserved2; /* 2-3 */
uint32_t blocksize; /* 4-7 */
uint8_t version; /* 8 */
uint8_t headersz_msb; /* 9 */
uint16_t headersz_lsb; /* A-B */
uint32_t srcaddr; /* C-F */
uint32_t destaddr; /* 10-13 */
uint32_t execaddr; /* 14-17 */
uint8_t reserved3; /* 18 */
uint8_t nandblocksize; /* 19 */
uint8_t nandbadblklocation; /* 1A */
uint8_t reserved4; /* 1B */
uint16_t reserved5; /* 1C-1D */
uint8_t ext; /* 1E */
uint8_t checksum; /* 1F */
};
/*
* Header for the optional headers, version 1 (Armada 370, Armada XP)
*/
struct opt_hdr_v1 {
uint8_t headertype;
uint8_t headersz_msb;
uint16_t headersz_lsb;
char data[0];
};
/*
* 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
#define KWBHEADER_V1_SIZE(hdr) \
(((hdr)->headersz_msb << 16) | le16_to_cpu((hdr)->headersz_lsb))
enum kwbimage_cmd {
CMD_INVALID,
CMD_BOOT_FROM,
CMD_NAND_ECC_MODE,
CMD_NAND_PAGE_SIZE,
CMD_SATA_PIO_MODE,
CMD_DDR_INIT_DELAY,
CMD_DATA
};
enum kwbimage_cmd_types {
CFG_INVALID = -1,
CFG_COMMAND,
CFG_DATA0,
CFG_DATA1
};
/*
* functions
*/
void init_kwb_image_type (void);
/*
* 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 image_version(void *header)
{
unsigned char *ptr = header;
return ptr[8];
}
#endif /* _KWBIMAGE_H_ */