2 * Copyright © 2018 Bdale Garbee <bdale@gag.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.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 #define AO_HSE_BYPASS 0
27 #define AO_SYSCLK 72000000
28 #define AO_HCLK 72000000
29 #define AO_APB1CLK 36000000
30 #define AO_APB2CLK 72000000
31 #define AO_ADCCLK 12000000
33 /* PLLMUL is 9, PLLXTPRE (pre divider) is 2, so the
34 * overall PLLCLK is 16 * 9/2 = 72MHz (used as SYSCLK)
36 * HCLK is SYSCLK / 1 (HPRE_DIV) = 72MHz (72MHz max)
37 * USB is PLLCLK / 1.5 (USBPRE)= 48MHz (must be 48MHz)
38 * APB2 is HCLK / 1 (PPRE2_DIV) = 72MHz (72MHz max)
39 * APB1 is HCLK / 2 (PPRE1_DIV) = 36MHz (36MHz max)
40 * ADC is APB2 / 6 (ADCPRE) = 12MHz (14MHz max)
43 #define AO_RCC_CFGR_USBPRE STM_RCC_CFGR_USBPRE_1_5
44 #define AO_RCC_CFGR_PLLMUL STM_RCC_CFGR_PLLMUL_9
45 #define AO_RCC_CFGR_PLLXTPRE STM_RCC_CFGR_PLLXTPRE_2
46 #define AO_RCC_CFGR_PPRE2_DIV STM_RCC_CFGR_PPRE2_DIV_1
47 #define AO_RCC_CFGR_PPRE1_DIV STM_RCC_CFGR_PPRE1_DIV_2
48 #define AO_RCC_CFGR_HPRE_DIV STM_RCC_CFGR_HPRE_DIV_1
49 #define AO_RCC_CFGR_ADCPRE STM_RCC_CFGR_ADCPRE_6
51 #include <ao_flash_stm_pins.h>
53 /* Companion port cs_companion0 PB6 */
56 #define AO_BOOT_APPLICATION_GPIO stm_gpiob
57 #define AO_BOOT_APPLICATION_PIN 6
58 #define AO_BOOT_APPLICATION_VALUE 1
59 #define AO_BOOT_APPLICATION_MODE AO_EXTI_MODE_PULL_UP
61 #define HAS_USB_PULLUP 1
62 #define AO_USB_PULLUP_PORT (&stm_gpioa)
63 #define AO_USB_PULLUP_PIN 8
65 #endif /* _AO_PINS_H_ */