root/arch/mips/cavium-octeon/octeon_boot.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * (C) Copyright 2004, 2005 Cavium Networks
 */

#ifndef __OCTEON_BOOT_H__
#define __OCTEON_BOOT_H__

#include <linux/types.h>

struct boot_init_vector {
        /* First stage address - in ram instead of flash */
        uint64_t code_addr;
        /* Setup code for application, NOT application entry point */
        uint32_t app_start_func_addr;
        /* k0 is used for global data - needs to be passed to other cores */
        uint32_t k0_val;
        /* Address of boot info block structure */
        uint64_t boot_info_addr;
        uint32_t flags;         /* flags */
        uint32_t pad;
};

/* similar to bootloader's linux_app_boot_info but without global data */
struct linux_app_boot_info {
#ifdef __BIG_ENDIAN_BITFIELD
        uint32_t labi_signature;
        uint32_t start_core0_addr;
        uint32_t avail_coremask;
        uint32_t pci_console_active;
        uint32_t icache_prefetch_disable;
        uint32_t padding;
        uint64_t InitTLBStart_addr;
        uint32_t start_app_addr;
        uint32_t cur_exception_base;
        uint32_t no_mark_private_data;
        uint32_t compact_flash_common_base_addr;
        uint32_t compact_flash_attribute_base_addr;
        uint32_t led_display_base_addr;
#else
        uint32_t start_core0_addr;
        uint32_t labi_signature;

        uint32_t pci_console_active;
        uint32_t avail_coremask;

        uint32_t padding;
        uint32_t icache_prefetch_disable;

        uint64_t InitTLBStart_addr;

        uint32_t cur_exception_base;
        uint32_t start_app_addr;

        uint32_t compact_flash_common_base_addr;
        uint32_t no_mark_private_data;

        uint32_t led_display_base_addr;
        uint32_t compact_flash_attribute_base_addr;
#endif
};

/* If not to copy a lot of bootloader's structures
   here is only offset of requested member */
#define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK    0x765c

/* hardcoded in bootloader */
#define  LABI_ADDR_IN_BOOTLOADER                         0x700

#define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot"

#define LABI_SIGNATURE 0xAABBCC01

/*  from uboot-headers/octeon_mem_map.h */
#define EXCEPTION_BASE_INCR     (4 * 1024)
                               /* Increment size for exception base addresses (4k minimum) */
#define EXCEPTION_BASE_BASE     0
#define BOOTLOADER_PRIV_DATA_BASE       (EXCEPTION_BASE_BASE + 0x800)
#define BOOTLOADER_BOOT_VECTOR          (BOOTLOADER_PRIV_DATA_BASE)

#endif /* __OCTEON_BOOT_H__ */