feat modify XiUOS_Kernel dir from Ubiquitous/XiUOS to Ubiquitous/XiZi

2022-03-01 14:15:01 +08:00
parent f45477ab2a
commit 5078ff66cc
2178 changed files with 431 additions and 434 deletions
@@ -0,0 +1,70 @@
+/*
+* 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 <platform.h>
+#include <encoding.h>
+#include <arch_interrupt.h>
+#include <xizi.h>
+#include <device.h>
+#include <plic_driver.h>
+
+extern void use_default_clocks(void);
+extern void use_pll(int refsel, int bypass, int r, int f, int q);
+plic_instance_t g_plic = {0} ;
+
+void InitBoardHardware(void)
+{
+
+    /* initialize the system clock */
+    use_default_clocks();
+    use_pll(0, 0, 1, 31, 1);
+
+    /* initialize hardware interrupt */
+    asm volatile(
+        "la t0, save_hw_context\n"
+        "csrw mtvec, t0"
+    );
+    
+    PLIC_init(&g_plic,
+            PLIC_CTRL_ADDR,
+            PLIC_NUM_INTERRUPTS,
+            PLIC_NUM_PRIORITIES);
+ 
+    SET_CSR(mie, MIP_MEIP);
+
+    /* initialize timer*/
+    CLINT_MTIMECMP_ADDR = CLINT_MTIME_ADDR + TICK;
+    SET_CSR(mie, MIP_MTIP);
+
+    extern int InitHwUart(void);
+    InitHwUart();
+    InstallConsole(SERIAL_BUS_NAME, SERIAL_DRV_NAME, SERIAL_DEVICE_NAME);
+
+	KPrintf("\nconsole init completed.\n");
+    KPrintf("board initialization......\n");
+
+    KPrintf("memory address range: [0x%08x - 0x%08x], size: %d\n", (x_ubase) MEMORY_START_ADDRESS, (x_ubase) MEMORY_END_ADDRESS, MEMORY_SIZE);
+    /* initialize memory system */
+	InitBoardMemory(MEMORY_START_ADDRESS, MEMORY_END_ADDRESS);
+
+    return;
+}
+