mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
173 lines
5.2 KiB
C
173 lines
5.2 KiB
C
|
/* 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__ */
|