LXR linux/arch/mips/cavium-octeon/octeon

   1/*
   2 * (C) Copyright 2004, 2005 Cavium Networks
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License as
   6 * published by the Free Software Foundation; either version 2 of
   7 * the License, or (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, write to the Free Software
  16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17 * MA 02111-1307 USA
  18 */
  19
  20#ifndef __OCTEON_BOOT_H__
  21#define __OCTEON_BOOT_H__
  22
  23#include <linux/types.h>
  24
  25struct boot_init_vector {
  26        /* First stage address - in ram instead of flash */
  27        uint64_t code_addr;
  28        /* Setup code for application, NOT application entry point */
  29        uint32_t app_start_func_addr;
  30        /* k0 is used for global data - needs to be passed to other cores */
  31        uint32_t k0_val;
  32        /* Address of boot info block structure */
  33        uint64_t boot_info_addr;
  34        uint32_t flags;         /* flags */
  35        uint32_t pad;
  36};
  37
  38/* similar to bootloader's linux_app_boot_info but without global data */
  39struct linux_app_boot_info {
  40#ifdef __BIG_ENDIAN_BITFIELD
  41        uint32_t labi_signature;
  42        uint32_t start_core0_addr;
  43        uint32_t avail_coremask;
  44        uint32_t pci_console_active;
  45        uint32_t icache_prefetch_disable;
  46        uint32_t padding;
  47        uint64_t InitTLBStart_addr;
  48        uint32_t start_app_addr;
  49        uint32_t cur_exception_base;
  50        uint32_t no_mark_private_data;
  51        uint32_t compact_flash_common_base_addr;
  52        uint32_t compact_flash_attribute_base_addr;
  53        uint32_t led_display_base_addr;
  54#else
  55        uint32_t start_core0_addr;
  56        uint32_t labi_signature;
  57
  58        uint32_t pci_console_active;
  59        uint32_t avail_coremask;
  60
  61        uint32_t padding;
  62        uint32_t icache_prefetch_disable;
  63
  64        uint64_t InitTLBStart_addr;
  65
  66        uint32_t cur_exception_base;
  67        uint32_t start_app_addr;
  68
  69        uint32_t compact_flash_common_base_addr;
  70        uint32_t no_mark_private_data;
  71
  72        uint32_t led_display_base_addr;
  73        uint32_t compact_flash_attribute_base_addr;
  74#endif
  75};
  76
  77/* If not to copy a lot of bootloader's structures
  78   here is only offset of requested member */
  79#define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK    0x765c
  80
  81/* hardcoded in bootloader */
  82#define  LABI_ADDR_IN_BOOTLOADER                         0x700
  83
  84#define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot"
  85
  86#define LABI_SIGNATURE 0xAABBCC01
  87
  88/*  from uboot-headers/octeon_mem_map.h */
  89#define EXCEPTION_BASE_INCR     (4 * 1024)
  90                               /* Increment size for exception base addresses (4k minimum) */
  91#define EXCEPTION_BASE_BASE     0
  92#define BOOTLOADER_PRIV_DATA_BASE       (EXCEPTION_BASE_BASE + 0x800)
  93#define BOOTLOADER_BOOT_VECTOR          (BOOTLOADER_PRIV_DATA_BASE)
  94
  95#endif /* __OCTEON_BOOT_H__ */
  96