cfg_clock_default_120.h
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1 /*
2  * Copyright (C) 2018 Freie Universität Berlin
3  * 2017 OTA keys S.A.
4  * 2018-2020 Inria
5  *
6  * This file is subject to the terms and conditions of the GNU Lesser
7  * General Public License v2.1. See the file LICENSE in the top level
8  * directory for more details.
9  */
10 
11 #pragma once
12 
25 #include "kernel_defines.h"
26 #include "macros/units.h"
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
36 /* The following parameters configure a 120MHz system clock with HSE (8MHz or
37  16MHz) or HSI (16MHz) as PLL input clock */
38 #ifndef CONFIG_CLOCK_PLL_M
39 #define CONFIG_CLOCK_PLL_M (4)
40 #endif
41 #ifndef CONFIG_CLOCK_PLL_N
42 #if IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CONFIG_CLOCK_HSE == MHZ(8))
43 #define CONFIG_CLOCK_PLL_N (120)
44 #else
45 #define CONFIG_CLOCK_PLL_N (60)
46 #endif
47 #endif
48 #ifndef CONFIG_CLOCK_PLL_P
49 #define CONFIG_CLOCK_PLL_P (2)
50 #endif
51 #ifndef CONFIG_CLOCK_PLL_Q
52 #define CONFIG_CLOCK_PLL_Q (5)
53 #endif
60 #ifndef CONFIG_CLOCK_APB1_DIV
61 #define CONFIG_CLOCK_APB1_DIV (4) /* max 30MHz */
62 #endif
63 #ifndef CONFIG_CLOCK_APB2_DIV
64 #define CONFIG_CLOCK_APB2_DIV (2) /* max 60MHz */
65 #endif
68 #if CLOCK_CORECLOCK > MHZ(120)
69 #error "SYSCLK cannot exceed 120MHz"
70 #endif
71 
72 #ifdef __cplusplus
73 }
74 #endif
75 
kernel_defines.h
Common macros and compiler attributes/pragmas configuration.
units.h
Unit helper macros.