96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
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/*
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* (C) Copyright 2004, 2005 Cavium Networks
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __OCTEON_BOOT_H__
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#define __OCTEON_BOOT_H__
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#include <linux/types.h>
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struct boot_init_vector {
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/* First stage address - in ram instead of flash */
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uint64_t code_addr;
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/* Setup code for application, NOT application entry point */
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uint32_t app_start_func_addr;
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/* k0 is used for global data - needs to be passed to other cores */
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uint32_t k0_val;
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/* Address of boot info block structure */
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uint64_t boot_info_addr;
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uint32_t flags; /* flags */
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uint32_t pad;
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};
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/* similar to bootloader's linux_app_boot_info but without global data */
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struct linux_app_boot_info {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint32_t labi_signature;
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uint32_t start_core0_addr;
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uint32_t avail_coremask;
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uint32_t pci_console_active;
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uint32_t icache_prefetch_disable;
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uint32_t padding;
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uint64_t InitTLBStart_addr;
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uint32_t start_app_addr;
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uint32_t cur_exception_base;
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uint32_t no_mark_private_data;
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uint32_t compact_flash_common_base_addr;
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uint32_t compact_flash_attribute_base_addr;
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uint32_t led_display_base_addr;
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#else
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uint32_t start_core0_addr;
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uint32_t labi_signature;
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uint32_t pci_console_active;
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uint32_t avail_coremask;
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uint32_t padding;
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uint32_t icache_prefetch_disable;
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uint64_t InitTLBStart_addr;
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uint32_t cur_exception_base;
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uint32_t start_app_addr;
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uint32_t compact_flash_common_base_addr;
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uint32_t no_mark_private_data;
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uint32_t led_display_base_addr;
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uint32_t compact_flash_attribute_base_addr;
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#endif
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};
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/* If not to copy a lot of bootloader's structures
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here is only offset of requested member */
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#define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK 0x765c
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/* hardcoded in bootloader */
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#define LABI_ADDR_IN_BOOTLOADER 0x700
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#define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot"
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#define LABI_SIGNATURE 0xAABBCC01
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/* from uboot-headers/octeon_mem_map.h */
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#define EXCEPTION_BASE_INCR (4 * 1024)
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/* Increment size for exception base addresses (4k minimum) */
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#define EXCEPTION_BASE_BASE 0
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#define BOOTLOADER_PRIV_DATA_BASE (EXCEPTION_BASE_BASE + 0x800)
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#define BOOTLOADER_BOOT_VECTOR (BOOTLOADER_PRIV_DATA_BASE)
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#endif /* __OCTEON_BOOT_H__ */
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