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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/cavium-octeon/octeon_boot.h
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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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	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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	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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};

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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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