| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2004, 2005 Cavium Networks |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef __OCTEON_BOOT_H__ |
| 7 | #define __OCTEON_BOOT_H__ |
| 8 | |
| 9 | #include <linux/types.h> |
| 10 | |
| 11 | struct boot_init_vector { |
| 12 | /* First stage address - in ram instead of flash */ |
| 13 | uint64_t code_addr; |
| 14 | /* Setup code for application, NOT application entry point */ |
| 15 | uint32_t app_start_func_addr; |
| 16 | /* k0 is used for global data - needs to be passed to other cores */ |
| 17 | uint32_t k0_val; |
| 18 | /* Address of boot info block structure */ |
| 19 | uint64_t boot_info_addr; |
| 20 | uint32_t flags; /* flags */ |
| 21 | uint32_t pad; |
| 22 | }; |
| 23 | |
| 24 | /* similar to bootloader's linux_app_boot_info but without global data */ |
| 25 | struct linux_app_boot_info { |
| 26 | #ifdef __BIG_ENDIAN_BITFIELD |
| 27 | uint32_t labi_signature; |
| 28 | uint32_t start_core0_addr; |
| 29 | uint32_t avail_coremask; |
| 30 | uint32_t pci_console_active; |
| 31 | uint32_t icache_prefetch_disable; |
| 32 | uint32_t padding; |
| 33 | uint64_t InitTLBStart_addr; |
| 34 | uint32_t start_app_addr; |
| 35 | uint32_t cur_exception_base; |
| 36 | uint32_t no_mark_private_data; |
| 37 | uint32_t compact_flash_common_base_addr; |
| 38 | uint32_t compact_flash_attribute_base_addr; |
| 39 | uint32_t led_display_base_addr; |
| 40 | #else |
| 41 | uint32_t start_core0_addr; |
| 42 | uint32_t labi_signature; |
| 43 | |
| 44 | uint32_t pci_console_active; |
| 45 | uint32_t avail_coremask; |
| 46 | |
| 47 | uint32_t padding; |
| 48 | uint32_t icache_prefetch_disable; |
| 49 | |
| 50 | uint64_t InitTLBStart_addr; |
| 51 | |
| 52 | uint32_t cur_exception_base; |
| 53 | uint32_t start_app_addr; |
| 54 | |
| 55 | uint32_t compact_flash_common_base_addr; |
| 56 | uint32_t no_mark_private_data; |
| 57 | |
| 58 | uint32_t led_display_base_addr; |
| 59 | uint32_t compact_flash_attribute_base_addr; |
| 60 | #endif |
| 61 | }; |
| 62 | |
| 63 | /* If not to copy a lot of bootloader's structures |
| 64 | here is only offset of requested member */ |
| 65 | #define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK 0x765c |
| 66 | |
| 67 | /* hardcoded in bootloader */ |
| 68 | #define LABI_ADDR_IN_BOOTLOADER 0x700 |
| 69 | |
| 70 | #define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot" |
| 71 | |
| 72 | #define LABI_SIGNATURE 0xAABBCC01 |
| 73 | |
| 74 | /* from uboot-headers/octeon_mem_map.h */ |
| 75 | #define EXCEPTION_BASE_INCR (4 * 1024) |
| 76 | /* Increment size for exception base addresses (4k minimum) */ |
| 77 | #define EXCEPTION_BASE_BASE 0 |
| 78 | #define BOOTLOADER_PRIV_DATA_BASE (EXCEPTION_BASE_BASE + 0x800) |
| 79 | #define BOOTLOADER_BOOT_VECTOR (BOOTLOADER_PRIV_DATA_BASE) |
| 80 | |
| 81 | #endif /* __OCTEON_BOOT_H__ */ |