add gap8 board of riscv for xiuos

2021-08-30 14:05:12 +08:00
parent fde280b6a0
commit 198d61918b
42 changed files with 6303 additions and 1 deletions
@@ -0,0 +1,69 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+* @file board.c
+* @brief support hifive1-rev-B-board init configure and start-up
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2021-04-25
+*/
+
+#include <board.h>
+#include <arch_interrupt.h>
+#include <xiuos.h>
+#include <device.h>
+
+extern void entry(void);
+extern int InitHwUart(void);
+extern void irqinitialize(void);
+extern void timer_initialize(void);
+extern void up_serialinit(void);
+
+extern unsigned int __bss_end__;
+
+extern void test_dma_txstart(char c, uint32_t size);
+extern void test_gap8_uartinit();
+extern void gapuino_sysinit(void);
+
+void GapuinoStart(uint32_t mhartid)
+{
+    gapuino_sysinit();
+    entry();
+}
+void InitBoardHardware(void)
+{
+    x_base newstat;
+    x_base oldstat;
+    irqinitialize();
+    
+    InitBoardMemory(MEMORY_START_ADDRESS, MEMORY_END_ADDRESS);
+
+    InitHwUart();
+    InstallConsole("uart0", "uart0_drv", "uart0_dev0");
+
+    // asm volatile("nop");
+    // asm volatile ("csrr %0, 0x300": "=r" (oldstat));
+    // newstat = oldstat | (0x8);
+    // asm volatile("csrw mstatus, %0" : /* no output */ : "r" (newstat));
+	KPrintf("console init completed.\n");
+    KPrintf("board initialization......\n");
+    
+    timer_initialize();
+    KPrintf("memory address range: [0x%08x - 0x%08x], size: %d\n", (x_ubase) MEMORY_START_ADDRESS, (x_ubase) MEMORY_END_ADDRESS, GAP8_SRAM_SIZE);
+    /* initialize memory system */
+	
+    KPrintf("board init done.\n");
+	KPrintf("start kernel...\n");
+    return;
+}
+