2 * Copyright © 2018 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
17 /* Clock tree configuration */
18 #define AO_HSE 8000000 /* fed from st/link processor */
19 #define AO_HSE_BYPASS 1 /* no xtal, directly fed */
21 #define AO_PLL_M 4 /* down to 2MHz */
23 #define AO_PLL1_N 96 /* up to 192MHz */
24 #define AO_PLL1_P 2 /* down to 96MHz */
25 #define AO_PLL1_Q 4 /* down to 48MHz for USB and SDIO */
27 #define AO_AHB_PRESCALER 1
28 #define AO_RCC_CFGR_HPRE_DIV STM_RCC_CFGR_HPRE_DIV_1
30 #define AO_APB1_PRESCALER 1
31 #define AO_RCC_CFGR_PPRE1_DIV STM_RCC_CFGR_PPRE1_DIV_1
32 #define AO_APB2_PRESCALER 1
33 #define AO_RCC_CFGR_PPRE2_DIV STM_RCC_CFGR_PPRE2_DIV_1
35 #define DEBUG_THE_CLOCK 1
40 #define B_USER_PORT (&stm_gpioa)
47 #define LED_0_PORT (&stm_gpioc)
49 #define LED_GREEN (1 << 0)
51 #define LED_1_PORT (&stm_gpioe)
53 #define LED_RED (1 << 1)
55 #endif /* _AO_PINS_H_ */