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Diffstat (limited to 'sys/contrib/octeon-sdk/octeon-boot-info.h')
| -rw-r--r-- | sys/contrib/octeon-sdk/octeon-boot-info.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/octeon-boot-info.h b/sys/contrib/octeon-sdk/octeon-boot-info.h new file mode 100644 index 0000000..0866822 --- /dev/null +++ b/sys/contrib/octeon-sdk/octeon-boot-info.h @@ -0,0 +1,152 @@ +/***********************license start*************** + * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Networks nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + + +/** + * @file + * + * Interface to Octeon boot structure + * + * <hr>$Revision: $<hr> + */ + +#ifndef __OCTEON_BOOT_INFO_H__ +#define __OCTEON_BOOT_INFO_H__ + +#ifdef CVMX_BUILD_FOR_LINUX_KERNEL +#include <linux/types.h> +#endif + +#ifndef __ASSEMBLY__ + +/* + * This structure is access by bootloader, Linux kernel and the Linux + * user space utility "bootoct". + + * In the bootloader, this structure is accessed by assembly code in start.S, + * so any changes to content or size must be reflected there as well. + + * This is placed at a fixed address in DRAM, so that cores can access it + * when they come out of reset. It is used to setup the minimal bootloader + * runtime environment (stack, but no heap, global data ptr) that is needed + * by the non-boot cores to setup the environment for the applications. + * The boot_info_addr is the address of a boot_info_block_t structure + * which contains more core-specific information. + * + * The Linux kernel and the Linux bootoct utility access this structure for + * implementing CPU hotplug functionality and booting of idle cores with SE + * apps respectively. + * + */ +typedef struct +{ + /* 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; +} boot_init_vector_t; + +/* + * Definition of a data structure setup by the bootloader to enable Linux to + * launch SE apps on idle cores. + */ + +struct linux_app_boot_info +{ + uint32_t labi_signature; + uint32_t start_core0_addr; + uint32_t avail_coremask; + uint32_t pci_console_active; + uint32_t icache_prefetch_disable; + 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; +#ifndef __OCTEON_NEWLIB__ +#if defined(__U_BOOT__) || !defined(__KERNEL__) + gd_t gd; +#endif +#endif +}; +typedef struct linux_app_boot_info linux_app_boot_info_t; + +#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 */ +#if defined(CVMX_BUILD_FOR_LINUX_KERNEL) || defined(__OCTEON_NEWLIB__) +#define EXCEPTION_BASE_INCR (4 * 1024) +#endif + +#define OCTEON_NUM_CORES 16 +/* 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) +#define BOOTLOADER_DEBUG_TRAMPOLINE (BOOTLOADER_BOOT_VECTOR + BOOT_VECTOR_SIZE) /* WORD */ +#define BOOTLOADER_DEBUG_TRAMPOLINE_CORE (BOOTLOADER_DEBUG_TRAMPOLINE + 4) /* WORD */ + +#define OCTEON_EXCEPTION_VECTOR_BLOCK_SIZE (OCTEON_NUM_CORES*EXCEPTION_BASE_INCR) /* 16 4k blocks */ +#define BOOTLOADER_DEBUG_REG_SAVE_BASE (EXCEPTION_BASE_BASE + OCTEON_EXCEPTION_VECTOR_BLOCK_SIZE) + +#define BOOT_VECTOR_NUM_WORDS (8) +#define BOOT_VECTOR_SIZE ((OCTEON_NUM_CORES*4)*BOOT_VECTOR_NUM_WORDS) + + +#endif /* __OCTEON_BOOT_INFO_H__ */ |
