feat modify XiUOS_Kernel dir from Ubiquitous/XiUOS to Ubiquitous/XiZi
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Liu_Weichao
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/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file board.c
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* @brief support maix-go-board init configure and start-up
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-04-25
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*/
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/*************************************************
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File name: board.c
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Description: support maix-go-board init configure and driver/task/... init
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Others: https://canaan-creative.com/developer
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History:
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1. Date: 2021-04-25
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Author: AIIT XUOS Lab
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Modification:
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1. support maix-go-board InitBoardHardware
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2. support maix-go-board Kd233Start
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3. support maix-go-board shell cmd, include reboot, shutdown
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*************************************************/
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#include <xizi.h>
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#include <clint.h>
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#include <sysctl.h>
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#include "board.h"
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#include "tick.h"
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#include "connect_uart.h"
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#include "encoding.h"
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#if defined(FS_VFS)
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#include <iot-vfs.h>
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#endif
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#define CPU0 (0)
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#define CPU1 (1)
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extern x_base cpu2_boot_flag;
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extern void entry(void);
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extern void SecondaryCpuCStart(void);
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extern int IoConfigInit(void);
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extern int HwSpiInit(void);
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extern int HwI2cInit(void);
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extern int HwRtcInit(void);
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extern int HwWdtInit(void);
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extern int HwLcdInit(void);
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void InitBss(void)
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{
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unsigned int *dst;
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dst = &__bss_start;
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while (dst < &__bss_end){
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*dst++ = 0;
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}
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}
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void Kd233Start(uint32_t mhartid)
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{
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switch(mhartid) {
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case CPU0:
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InitBss();
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/*kernel start entry*/
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entry();
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break;
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case CPU1:
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while(0x2018050420191010 != cpu2_boot_flag) { ///< waiting for boot flag ,then start cpu1 core
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#ifndef ARCH_SMP
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asm volatile("wfi");
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#endif
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}
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#ifdef ARCH_SMP
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SecondaryCpuCStart();
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#endif
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break;
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default:
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break;
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}
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}
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int Freq(void)
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{
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uint64 value = 0;
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value = SysctlClockGetFreq(SYSCTL_CLOCK_PLL0);
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KPrintf("PLL0: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_PLL1);
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KPrintf("PLL1: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_PLL2);
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KPrintf("PLL2: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_CPU);
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KPrintf("CPU : %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_APB0);
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KPrintf("APB0: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_APB1);
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KPrintf("APB1: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_APB2);
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KPrintf("APB2: %d\n", value);
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value = SysctlClockGetFreq(SYSCTL_CLOCK_HCLK);
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KPrintf("HCLK: %d\n", value);
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value = clint_get_time();
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KPrintf("mtime: %d\n", value);
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return 0;
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC)|SHELL_CMD_PARAM_NUM(0),Freq, Freq, show frequency information );
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#ifdef ARCH_SMP
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extern int EnableHwclintIpi(void);
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#endif
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void InitBoardHardware(void)
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{
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int i = 0;
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int ret = 0;
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SysctlPllSetFreq(SYSCTL_PLL0, 800000000UL);
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SysctlPllSetFreq(SYSCTL_PLL1, 400000000UL);
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#ifdef BSP_USING_GPIO
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/* Init FPIOA */
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FpioaInit();
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#endif
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#ifdef BSP_USING_DMA
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/* Dmac init */
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DmacInit();
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#endif
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/* initalize interrupt */
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InitHwinterrupt();
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#ifdef BSP_USING_UART
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HwUartInit();
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#endif
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#ifdef KERNEL_CONSOLE
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/* set console device */
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InstallConsole(KERNEL_CONSOLE_BUS_NAME, KERNEL_CONSOLE_DRV_NAME, KERNEL_CONSOLE_DEVICE_NAME);
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KPrintf("\nconsole init completed.\n");
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KPrintf("board initialization......\n");
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#endif /* KERNEL_CONSOLE */
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InitHwTick();
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#ifdef ARCH_SMP
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EnableHwclintIpi();
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#endif
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/* initialize memory system */
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InitBoardMemory(MEMORY_START_ADDRESS, MEMORY_END_ADDRESS);
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KPrintf("board init done.\n");
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KPrintf("start kernel...\n");
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}
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void HwCpuReset(void)
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{
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sysctl->soft_reset.soft_reset = 1;
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while(RET_TRUE);
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC)|SHELL_CMD_PARAM_NUM(0),Reboot, HwCpuReset, reset machine );
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