kendryte-freertos-sdk/lib/bsp/entry_user.c

53 lines
1.3 KiB
C

/* Copyright 2018 Canaan Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "interrupt.h"
#include "pin_cfg_priv.h"
#include <FreeRTOSConfig.h>
#include <clint.h>
#include <fpioa.h>
#include <hal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysctl.h>
#include <uarths.h>
#define PLL1_OUTPUT_FREQ 160000000UL
#define PLL2_OUTPUT_FREQ 45158400UL
extern uint8_t _tls_data[];
extern int main(int argc, char *argv[]);
extern int os_entry(int (*user_main)(int, char **));
static void setup_clocks()
{
sysctl_pll_set_freq(SYSCTL_PLL1, PLL1_OUTPUT_FREQ);
sysctl_pll_set_freq(SYSCTL_PLL2, PLL2_OUTPUT_FREQ);
}
void _init_bsp()
{
/* Init FPIOA */
fpioa_init();
bsp_pin_setup();
/* Setup clocks */
setup_clocks();
/* Init UART */
uarths_init();
exit(os_entry(main));
}