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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Marvell International Ltd.
*/
/*
* Bootloader definitions that are shared with other programs
*/
#ifndef __CVMX_BOOTLOADER__
#define __CVMX_BOOTLOADER__
/*
* The bootloader_header_t structure defines the header that is present
* at the start of binary u-boot images. This header is used to locate
* the bootloader image in NAND, and also to allow verification of images
* for normal NOR booting. This structure is placed at the beginning of a
* bootloader binary image, and remains in the executable code.
*/
#define BOOTLOADER_HEADER_MAGIC 0x424f4f54 /* "BOOT" in ASCII */
#define BOOTLOADER_HEADER_COMMENT_LEN 64
#define BOOTLOADER_HEADER_VERSION_LEN 64
/* limited by the space to the next exception handler */
#define BOOTLOADER_HEADER_MAX_SIZE 0x200
#define BOOTLOADER_HEADER_CURRENT_MAJOR_REV 1
#define BOOTLOADER_HEADER_CURRENT_MINOR_REV 2
/*
* Revision history
* 1.1 Initial released revision. (SDK 1.9)
* 1.2 TLB based relocatable image (SDK 2.0)
*/
#ifndef __ASSEMBLY__
struct bootloader_header {
uint32_t jump_instr; /*
* Jump to executable code following the
* header. This allows this header to be
* (and remain) part of the executable image)
*/
uint32_t nop_instr; /* Must be 0x0 */
uint32_t magic; /* Magic number to identify header */
uint32_t hcrc; /* CRC of all of header excluding this field */
uint16_t hlen; /* Length of header in bytes */
uint16_t maj_rev; /* Major revision */
uint16_t min_rev; /* Minor revision */
uint16_t board_type; /* Board type that the image is for */
uint32_t dlen; /* Length of data (following header) in bytes */
uint32_t dcrc; /* CRC of data */
uint64_t address; /* Mips virtual address */
uint32_t flags;
uint16_t image_type; /* Defined in bootloader_image_t enum */
uint16_t resv0; /* pad */
uint32_t reserved1;
uint32_t reserved2;
uint32_t reserved3;
uint32_t reserved4;
/* Optional, for descriptive purposes */
char comment_string[BOOTLOADER_HEADER_COMMENT_LEN];
/* Optional, for descriptive purposes */
char version_string[BOOTLOADER_HEADER_VERSION_LEN];
} __packed;
/* Defines for flag field */
#define BL_HEADER_FLAG_FAILSAFE 1
enum bootloader_image {
BL_HEADER_IMAGE_UNKNOWN = 0x0,
BL_HEADER_IMAGE_STAGE2, /* Binary bootloader stage2 image */
BL_HEADER_IMAGE_STAGE3, /* Binary bootloader stage3 image */
BL_HEADER_IMAGE_NOR, /* Binary bootloader for NOR boot */
BL_HEADER_IMAGE_PCIBOOT, /* Binary bootloader for PCI boot */
BL_HEADER_IMAGE_UBOOT_ENV, /* Environment for u-boot */
/* Bootloader before U-Boot (stage 1/1.5) */
BL_HEADER_IMAGE_PRE_UBOOT,
BL_HEADER_IMAGE_STAGE1, /* NOR stage 1 bootloader */
BL_HEADER_IMAGE_MAX,
/* Range for customer private use. Will not be used by Cavium Inc. */
BL_HEADER_IMAGE_CUST_RESERVED_MIN = 0x1000,
BL_HEADER_IMAGE_CUST_RESERVED_MAX = 0x1fff
};
#endif /* __ASSEMBLY__ */
/*
* Maximum address searched for NAND boot images and environments.
* This is used by stage1 and stage2.
*/
#define MAX_NAND_SEARCH_ADDR 0x800000
/* Maximum address to look for start of normal bootloader */
#define MAX_NOR_SEARCH_ADDR 0x400000
/*
* Defines for RAM based environment set by the host or the previous
* bootloader in a chain boot configuration.
*/
#define U_BOOT_RAM_ENV_ADDR 0x1000
#define U_BOOT_RAM_ENV_SIZE 0x1000
#define U_BOOT_RAM_ENV_CRC_SIZE 0x4
#define U_BOOT_RAM_ENV_ADDR_2 (U_BOOT_RAM_ENV_ADDR + U_BOOT_RAM_ENV_SIZE)
/* Address of environment in L2 cache if booted from cache */
#define U_BOOT_CACHE_ENV_ADDR 0x000ff000
/* Size of environment in L2 cache */
#define U_BOOT_CACHE_ENV_SIZE 0x1000
/* Board numbers and names */
/* Type defines for board and chip types */
enum cvmx_board_types_enum {
CVMX_BOARD_TYPE_NULL = 0,
CVMX_BOARD_TYPE_SIM = 1,
/* Special 'generic' board type, supports many boards */
CVMX_BOARD_TYPE_GENERIC = 28,
CVMX_BOARD_TYPE_EBB7304 = 76,
CVMX_BOARD_TYPE_MAX,
/* NOTE: 256-257 are being used by a customer. */
/*
* The range from CVMX_BOARD_TYPE_MAX to
* CVMX_BOARD_TYPE_CUST_DEFINED_MIN is reserved
* for future SDK use.
*/
/*
* Set aside a range for customer boards. These numbers are managed
* by Cavium.
*/
CVMX_BOARD_TYPE_CUST_DEFINED_MIN = 10000,
CVMX_BOARD_TYPE_CUST_DEFINED_MAX = 20000,
/*
* Set aside a range for customer private use. The SDK won't
* use any numbers in this range.
*/
CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
};
/* Functions to return string based on type */
/* Skip CVMX_BOARD_TYPE_ */
#define ENUM_BRD_TYPE_CASE(x) case x: return(#x + 16)
static inline const char
*cvmx_board_type_to_string(enum cvmx_board_types_enum type)
{
switch (type) {
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_GENERIC);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBB7304);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_MAX);
/* Customer boards listed here */
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MIN);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MAX);
/* Customer private range */
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN);
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX);
}
return "Unsupported Board";
}
#endif /* __CVMX_BOOTLOADER__ */
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