[BSP][ls1c]Add can driver and lib

bsp/ls1cdev/drivers/drv_can.h

@@ -0,0 +1,30 @@
+/*
+ * File      : bxcan.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-01-06     sundm75       first version
+ */
+
+#ifndef LS1C_DRV_CAN_H
+#define LS1C_DRV_CAN_H
+
+extern int ls1c_bxcan_init(void);
+
+#endif /*DRV_CAN_H_*/

bsp/ls1cdev/libraries/ls1c_regs.h

@@ -1,4 +1,4 @@
-// 龙芯1c外设寄存器
+// 龙芯1c外设寄存器
 
 
 #ifndef __OPENLOONGSON_LS1C_REGS_H
@@ -7,12 +7,12 @@
 
 
 
-// 时钟相关寄存器地址
+// 时钟相关寄存器地址
 #define LS1C_START_FREQ                     (0xbfe78030)
 #define LS1C_CLK_DIV_PARAM                  (0xbfe78034)
 
 
-// gpio相关寄存器地址
+// gpio相关寄存器地址
 #define LS1C_GPIO_CFG0                      (0xbfd010c0)
 #define LS1C_GPIO_EN0                       (0xbfd010d0)
 #define LS1C_GPIO_IN0                       (0xbfd010e0)
@@ -35,7 +35,7 @@
 
 
 
-// 复用相关寄存器
+// 复用相关寄存器
 #define LS1C_CBUS_FIRST0                    (0xbfd011c0)
 #define LS1C_CBUS_SECOND0                   (0xbfd011d0)
 #define LS1C_CBUS_THIRD0                    (0xbfd011e0)
@@ -61,20 +61,22 @@
 #define LS1C_CBUS_FIFTH3                    (0xbfd0120c)
 
 
-// PWM寄存器偏移
+// PWM寄存器偏移
 #define LS1C_PWM_CNTR                       (0x0)
 #define LS1C_PWM_HRC                        (0x4)
 #define LS1C_PWM_LRC                        (0x8)
 #define LS1C_PWM_CTRL                       (0xC)
-// PWM基地址
+// PWM基地址
 #define LS1C_REG_BASE_PWM0                  (0xbfe5c000)
 #define LS1C_REG_BASE_PWM1                  (0xbfe5c010)
 #define LS1C_REG_BASE_PWM2                  (0xbfe5c020)
 #define LS1C_REG_BASE_PWM3                  (0xbfe5c030)
 
+//CAN基地址
+#define  LS1C_REG_BASE_CAN0				    (0xbfe50000)
+#define  LS1C_REG_BASE_CAN1					(0xbfe54000)
 
-
-// 中断配置寄存器
+// 中断配置寄存器
 #define LS1C_INT0_SR                        (0xbfd01040)
 #define LS1C_INT0_EN                        (0xbfd01044)
 #define LS1C_INT0_SET                       (0xbfd01048)
@@ -111,18 +113,18 @@
 #define LS1C_INT4_EDGE                      (0xbfd010b4)
 
 
-// I2C寄存器
+// I2C寄存器
 #define LS1C_I2C0_BASE                      (0xbfe58000)
 #define LS1C_I2C1_BASE                      (0xbfe68000)
 #define LS1C_I2C2_BASE                      (0xbfe70000)
 
 
-// SPI寄存器
+// SPI寄存器
 #define LS1C_SPI0_BASE                      (0xbfe80000)
 #define LS1C_SPI1_BASE                      (0xbfec0000)
 
 
-// 串口寄存器
+// 串口寄存器
 #define LS1C_UART0_BASE                     (0xbfe40000)
 #define LS1C_UART1_BASE                     (0xbfe44000)
 #define LS1C_UART2_BASE                     (0xbfe48000)