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Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-sysinfo.h')
-rw-r--r-- | arch/mips/include/asm/octeon/cvmx-sysinfo.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-sysinfo.h b/arch/mips/include/asm/octeon/cvmx-sysinfo.h new file mode 100644 index 000000000000..61dd5741afe4 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-sysinfo.h | |||
@@ -0,0 +1,152 @@ | |||
1 | /***********************license start*************** | ||
2 | * Author: Cavium Networks | ||
3 | * | ||
4 | * Contact: support@caviumnetworks.com | ||
5 | * This file is part of the OCTEON SDK | ||
6 | * | ||
7 | * Copyright (c) 2003-2008 Cavium Networks | ||
8 | * | ||
9 | * This file is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License, Version 2, as | ||
11 | * published by the Free Software Foundation. | ||
12 | * | ||
13 | * This file is distributed in the hope that it will be useful, but | ||
14 | * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty | ||
15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or | ||
16 | * NONINFRINGEMENT. See the GNU General Public License for more | ||
17 | * details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this file; if not, write to the Free Software | ||
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
22 | * or visit http://www.gnu.org/licenses/. | ||
23 | * | ||
24 | * This file may also be available under a different license from Cavium. | ||
25 | * Contact Cavium Networks for more information | ||
26 | ***********************license end**************************************/ | ||
27 | |||
28 | /* | ||
29 | * This module provides system/board information obtained by the bootloader. | ||
30 | */ | ||
31 | |||
32 | #ifndef __CVMX_SYSINFO_H__ | ||
33 | #define __CVMX_SYSINFO_H__ | ||
34 | |||
35 | #define OCTEON_SERIAL_LEN 20 | ||
36 | /** | ||
37 | * Structure describing application specific information. | ||
38 | * __cvmx_app_init() populates this from the cvmx boot descriptor. | ||
39 | * This structure is private to simple executive applications, so | ||
40 | * no versioning is required. | ||
41 | * | ||
42 | * This structure must be provided with some fields set in order to | ||
43 | * use simple executive functions in other applications (Linux kernel, | ||
44 | * u-boot, etc.) The cvmx_sysinfo_minimal_initialize() function is | ||
45 | * provided to set the required values in these cases. | ||
46 | */ | ||
47 | struct cvmx_sysinfo { | ||
48 | /* System wide variables */ | ||
49 | /* installed DRAM in system, in bytes */ | ||
50 | uint64_t system_dram_size; | ||
51 | |||
52 | /* ptr to memory descriptor block */ | ||
53 | void *phy_mem_desc_ptr; | ||
54 | |||
55 | |||
56 | /* Application image specific variables */ | ||
57 | /* stack top address (virtual) */ | ||
58 | uint64_t stack_top; | ||
59 | /* heap base address (virtual) */ | ||
60 | uint64_t heap_base; | ||
61 | /* stack size in bytes */ | ||
62 | uint32_t stack_size; | ||
63 | /* heap size in bytes */ | ||
64 | uint32_t heap_size; | ||
65 | /* coremask defining cores running application */ | ||
66 | uint32_t core_mask; | ||
67 | /* Deprecated, use cvmx_coremask_first_core() to select init core */ | ||
68 | uint32_t init_core; | ||
69 | |||
70 | /* exception base address, as set by bootloader */ | ||
71 | uint64_t exception_base_addr; | ||
72 | |||
73 | /* cpu clock speed in hz */ | ||
74 | uint32_t cpu_clock_hz; | ||
75 | |||
76 | /* dram data rate in hz (data rate = 2 * clock rate */ | ||
77 | uint32_t dram_data_rate_hz; | ||
78 | |||
79 | |||
80 | uint16_t board_type; | ||
81 | uint8_t board_rev_major; | ||
82 | uint8_t board_rev_minor; | ||
83 | uint8_t mac_addr_base[6]; | ||
84 | uint8_t mac_addr_count; | ||
85 | char board_serial_number[OCTEON_SERIAL_LEN]; | ||
86 | /* | ||
87 | * Several boards support compact flash on the Octeon boot | ||
88 | * bus. The CF memory spaces may be mapped to different | ||
89 | * addresses on different boards. These values will be 0 if | ||
90 | * CF is not present. Note that these addresses are physical | ||
91 | * addresses, and it is up to the application to use the | ||
92 | * proper addressing mode (XKPHYS, KSEG0, etc.) | ||
93 | */ | ||
94 | uint64_t compact_flash_common_base_addr; | ||
95 | uint64_t compact_flash_attribute_base_addr; | ||
96 | /* | ||
97 | * Base address of the LED display (as on EBT3000 board) This | ||
98 | * will be 0 if LED display not present. Note that this | ||
99 | * address is a physical address, and it is up to the | ||
100 | * application to use the proper addressing mode (XKPHYS, | ||
101 | * KSEG0, etc.) | ||
102 | */ | ||
103 | uint64_t led_display_base_addr; | ||
104 | /* DFA reference clock in hz (if applicable)*/ | ||
105 | uint32_t dfa_ref_clock_hz; | ||
106 | /* configuration flags from bootloader */ | ||
107 | uint32_t bootloader_config_flags; | ||
108 | |||
109 | /* Uart number used for console */ | ||
110 | uint8_t console_uart_num; | ||
111 | }; | ||
112 | |||
113 | /** | ||
114 | * This function returns the system/board information as obtained | ||
115 | * by the bootloader. | ||
116 | * | ||
117 | * | ||
118 | * Returns Pointer to the boot information structure | ||
119 | * | ||
120 | */ | ||
121 | |||
122 | extern struct cvmx_sysinfo *cvmx_sysinfo_get(void); | ||
123 | |||
124 | /** | ||
125 | * This function is used in non-simple executive environments (such as | ||
126 | * Linux kernel, u-boot, etc.) to configure the minimal fields that | ||
127 | * are required to use simple executive files directly. | ||
128 | * | ||
129 | * Locking (if required) must be handled outside of this | ||
130 | * function | ||
131 | * | ||
132 | * @phy_mem_desc_ptr: Pointer to global physical memory descriptor | ||
133 | * (bootmem descriptor) @board_type: Octeon board | ||
134 | * type enumeration | ||
135 | * | ||
136 | * @board_rev_major: | ||
137 | * Board major revision | ||
138 | * @board_rev_minor: | ||
139 | * Board minor revision | ||
140 | * @cpu_clock_hz: | ||
141 | * CPU clock freqency in hertz | ||
142 | * | ||
143 | * Returns 0: Failure | ||
144 | * 1: success | ||
145 | */ | ||
146 | extern int cvmx_sysinfo_minimal_initialize(void *phy_mem_desc_ptr, | ||
147 | uint16_t board_type, | ||
148 | uint8_t board_rev_major, | ||
149 | uint8_t board_rev_minor, | ||
150 | uint32_t cpu_clock_hz); | ||
151 | |||
152 | #endif /* __CVMX_SYSINFO_H__ */ | ||