/***********************license start***************
|
* Author: Cavium Networks
|
*
|
* Contact: support@caviumnetworks.com
|
* This file is part of the OCTEON SDK
|
*
|
* Copyright (c) 2003-2016 Cavium, Inc.
|
*
|
* This file is free software; you can redistribute it and/or modify
|
* it under the terms of the GNU General Public License, Version 2, as
|
* published by the Free Software Foundation.
|
*
|
* This file is distributed in the hope that it will be useful, but
|
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
|
* NONINFRINGEMENT. See the GNU General Public License for more
|
* details.
|
*
|
* You should have received a copy of the GNU General Public License
|
* along with this file; if not, write to the Free Software
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
* or visit http://www.gnu.org/licenses/.
|
*
|
* This file may also be available under a different license from Cavium.
|
* Contact Cavium Networks for more information
|
***********************license end**************************************/
|
|
/*
|
* This module provides system/board information obtained by the bootloader.
|
*/
|
|
#ifndef __CVMX_SYSINFO_H__
|
#define __CVMX_SYSINFO_H__
|
|
#include "cvmx-coremask.h"
|
|
#define OCTEON_SERIAL_LEN 20
|
/**
|
* Structure describing application specific information.
|
* __cvmx_app_init() populates this from the cvmx boot descriptor.
|
* This structure is private to simple executive applications, so
|
* no versioning is required.
|
*
|
* This structure must be provided with some fields set in order to
|
* use simple executive functions in other applications (Linux kernel,
|
* u-boot, etc.) The cvmx_sysinfo_minimal_initialize() function is
|
* provided to set the required values in these cases.
|
*/
|
struct cvmx_sysinfo {
|
/* System wide variables */
|
/* installed DRAM in system, in bytes */
|
uint64_t system_dram_size;
|
|
/* ptr to memory descriptor block */
|
uint64_t phy_mem_desc_addr;
|
|
/* Application image specific variables */
|
/* stack top address (virtual) */
|
uint64_t stack_top;
|
/* heap base address (virtual) */
|
uint64_t heap_base;
|
/* stack size in bytes */
|
uint32_t stack_size;
|
/* heap size in bytes */
|
uint32_t heap_size;
|
/* coremask defining cores running application */
|
struct cvmx_coremask core_mask;
|
/* Deprecated, use cvmx_coremask_first_core() to select init core */
|
uint32_t init_core;
|
|
/* exception base address, as set by bootloader */
|
uint64_t exception_base_addr;
|
|
/* cpu clock speed in hz */
|
uint32_t cpu_clock_hz;
|
|
/* dram data rate in hz (data rate = 2 * clock rate */
|
uint32_t dram_data_rate_hz;
|
|
|
uint16_t board_type;
|
uint8_t board_rev_major;
|
uint8_t board_rev_minor;
|
uint8_t mac_addr_base[6];
|
uint8_t mac_addr_count;
|
char board_serial_number[OCTEON_SERIAL_LEN];
|
/*
|
* Several boards support compact flash on the Octeon boot
|
* bus. The CF memory spaces may be mapped to different
|
* addresses on different boards. These values will be 0 if
|
* CF is not present. Note that these addresses are physical
|
* addresses, and it is up to the application to use the
|
* proper addressing mode (XKPHYS, KSEG0, etc.)
|
*/
|
uint64_t compact_flash_common_base_addr;
|
uint64_t compact_flash_attribute_base_addr;
|
/*
|
* Base address of the LED display (as on EBT3000 board) This
|
* will be 0 if LED display not present. Note that this
|
* address is a physical address, and it is up to the
|
* application to use the proper addressing mode (XKPHYS,
|
* KSEG0, etc.)
|
*/
|
uint64_t led_display_base_addr;
|
/* DFA reference clock in hz (if applicable)*/
|
uint32_t dfa_ref_clock_hz;
|
/* configuration flags from bootloader */
|
uint32_t bootloader_config_flags;
|
|
/* Uart number used for console */
|
uint8_t console_uart_num;
|
};
|
|
/**
|
* This function returns the system/board information as obtained
|
* by the bootloader.
|
*
|
*
|
* Returns Pointer to the boot information structure
|
*
|
*/
|
|
extern struct cvmx_sysinfo *cvmx_sysinfo_get(void);
|
|
#endif /* __CVMX_SYSINFO_H__ */
|
