blob: 543b03b771eed3f2f0a082ec3ec8d88585f950cb [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +08001/*
2 * Copyright (c) 2012 Travis Geiselbrecht
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include <err.h>
24#include <debug.h>
25#include <dev/uart.h>
26#include <platform.h>
27#include <platform/stm32.h>
28#include <arch/arm/cm.h>
29#include <stm32f2xx_rcc.h>
30#include "system_stm32f2xx.h"
31
32void platform_early_init(void)
33{
34 // Crank up the clock before initing timers.
35 SystemInit();
36
37 // start the systick timer
38 RCC_ClocksTypeDef clocks;
39 RCC_GetClocksFreq(&clocks);
40 arm_cm_systick_init(clocks.SYSCLK_Frequency);
41
42 stm32_timer_early_init();
43 stm32_gpio_early_init();
44}
45
46void platform_init(void)
47{
48 stm32_timer_init();
49}