diff options
Diffstat (limited to 'arch/mips/cavium-octeon/octeon_boot.h')
| -rw-r--r-- | arch/mips/cavium-octeon/octeon_boot.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/octeon_boot.h b/arch/mips/cavium-octeon/octeon_boot.h new file mode 100644 index 000000000..9eab66f3b --- /dev/null +++ b/arch/mips/cavium-octeon/octeon_boot.h @@ -0,0 +1,81 @@ +/* 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__ */ |