mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
04b6fa8330
facilities as well as support for the Octeon 2 family of SoCs.
XXX Note that with our antediluvian assembler, we can't support some Octeon 2
instructions and fall back to using the old ones instead.
176 lines
6.2 KiB
C
176 lines
6.2 KiB
C
/***********************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
|
|
*
|
|
* This module provides system/board information obtained by the bootloader.
|
|
*
|
|
* <hr>$Revision: 49448 $<hr>
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef __CVMX_SYSINFO_H__
|
|
#define __CVMX_SYSINFO_H__
|
|
|
|
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
|
|
#include "cvmx-app-init.h"
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#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 */
|
|
uint64_t system_dram_size; /**< installed DRAM in system, in bytes */
|
|
uint64_t phy_mem_desc_addr; /**< Address of the memory descriptor block */
|
|
|
|
/* Application image specific variables */
|
|
uint64_t stack_top; /**< stack top address (virtual) */
|
|
uint64_t heap_base; /**< heap base address (virtual) */
|
|
uint32_t stack_size; /**< stack size in bytes */
|
|
uint32_t heap_size; /**< heap size in bytes */
|
|
uint32_t core_mask; /**< coremask defining cores running application */
|
|
uint32_t init_core; /**< Deprecated, use cvmx_coremask_first_core() to select init core */
|
|
uint64_t exception_base_addr; /**< exception base address, as set by bootloader */
|
|
uint32_t cpu_clock_hz; /**< cpu clock speed in hz */
|
|
uint32_t dram_data_rate_hz; /**< dram data rate in hz (data rate = 2 * clock rate */
|
|
|
|
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;
|
|
uint32_t dfa_ref_clock_hz; /**< DFA reference clock in hz (if applicable)*/
|
|
uint32_t bootloader_config_flags; /**< configuration flags from bootloader */
|
|
uint8_t console_uart_num; /** < Uart number used for console */
|
|
};
|
|
|
|
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
|
|
typedef struct cvmx_sysinfo cvmx_sysinfo_t;
|
|
#endif
|
|
|
|
/**
|
|
* This function returns the system/board information as obtained
|
|
* by the bootloader.
|
|
*
|
|
*
|
|
* @return Pointer to the boot information structure
|
|
*
|
|
*/
|
|
|
|
extern struct cvmx_sysinfo *cvmx_sysinfo_get(void);
|
|
|
|
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
|
|
/**
|
|
* This function is used in non-simple executive environments (such as Linux kernel, u-boot, etc.)
|
|
* to configure the minimal fields that are required to use
|
|
* simple executive files directly.
|
|
*
|
|
* Locking (if required) must be handled outside of this
|
|
* function
|
|
*
|
|
* @param phy_mem_desc_addr
|
|
* Address of the global physical memory descriptor (bootmem
|
|
* descriptor)
|
|
* @param board_type Octeon board type enumeration
|
|
*
|
|
* @param board_rev_major
|
|
* Board major revision
|
|
* @param board_rev_minor
|
|
* Board minor revision
|
|
* @param cpu_clock_hz
|
|
* CPU clock freqency in hertz
|
|
*
|
|
* @return 0: Failure
|
|
* 1: success
|
|
*/
|
|
extern int cvmx_sysinfo_minimal_initialize(uint64_t phy_mem_desc_addr, uint16_t board_type, uint8_t board_rev_major,
|
|
uint8_t board_rev_minor, uint32_t cpu_clock_hz);
|
|
#endif
|
|
|
|
#ifdef CVMX_BUILD_FOR_LINUX_USER
|
|
/**
|
|
* Initialize the sysinfo structure when running on
|
|
* Octeon under Linux userspace
|
|
*/
|
|
extern void cvmx_sysinfo_linux_userspace_initialize(void);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __CVMX_SYSINFO_H__ */
|