1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * (C) Copyright 2004, 2005 Cavium Networks |
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__ */ |
82 | |