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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /***********************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__ */ |