[bsp/ls1cdev]SPI0添加CS0支持，移除drv_spi.c中的msd_init。SPI00可用于注册NORFLASH驱动

bsp/ls1cdev/drivers/drv_spi.c

@@ -20,6 +20,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2017-11-02     勤为本       first version
+ * 2018-06-09     zhuangwei    add spi0 cs0 support,remove msd_init
  */
 
 #include <rtthread.h>
@@ -235,13 +236,15 @@ int ls1c_hw_spi_init(void)
     pin_set_purpose(79, PIN_PURPOSE_OTHER);
     pin_set_purpose(80, PIN_PURPOSE_OTHER);
     pin_set_purpose(83, PIN_PURPOSE_OTHER);//cs2 - SD card
-    pin_set_purpose(82, PIN_PURPOSE_OTHER);//cs1 
+    pin_set_purpose(82, PIN_PURPOSE_OTHER);//cs1
+    pin_set_purpose(81, PIN_PURPOSE_OTHER);//cs0 
     
-    pin_set_remap(78, PIN_REMAP_FOURTH);
-    pin_set_remap(79, PIN_REMAP_FOURTH);
-    pin_set_remap(80, PIN_REMAP_FOURTH);
-    pin_set_remap(83, PIN_REMAP_FOURTH);//cs2 - SD card
-    pin_set_remap(82, PIN_REMAP_FOURTH);//cs1 
+    pin_set_remap(78, PIN_REMAP_DEFAULT);
+    pin_set_remap(79, PIN_REMAP_DEFAULT);
+    pin_set_remap(80, PIN_REMAP_DEFAULT);
+    pin_set_remap(83, PIN_REMAP_DEFAULT);//cs2 - SD card
+    pin_set_remap(82, PIN_REMAP_DEFAULT);//CS1
+    pin_set_remap(81, PIN_REMAP_DEFAULT);//cs0
     ls1c_spi_bus_register(LS1C_SPI_0,"spi0");
 #endif
 
@@ -262,8 +265,10 @@ int ls1c_hw_spi_init(void)
 #ifdef RT_USING_SPI0
     /* attach cs */
     {
+    	static struct rt_spi_device spi_device0;
         static struct rt_spi_device spi_device1;
         static struct rt_spi_device spi_device2;
+		static struct ls1c_spi_cs  spi_cs0;
         static struct ls1c_spi_cs  spi_cs1;
         static struct ls1c_spi_cs  spi_cs2;
 
@@ -272,7 +277,8 @@ int ls1c_hw_spi_init(void)
         rt_spi_bus_attach_device(&spi_device2, "spi02", "spi0", (void*)&spi_cs2);
         spi_cs1.cs = LS1C_SPI_CS_1;
         rt_spi_bus_attach_device(&spi_device1, "spi01", "spi0", (void*)&spi_cs1);
-        msd_init("sd0", "spi02");
+		spi_cs0.cs = LS1C_SPI_CS_0;
+        rt_spi_bus_attach_device(&spi_device0, "spi00", "spi0", (void*)&spi_cs0);
     }
 #endif
 #ifdef RT_USING_SPI1    
@@ -287,6 +293,7 @@ int ls1c_hw_spi_init(void)
 #endif
 }
 
+
 INIT_BOARD_EXPORT(ls1c_hw_spi_init);
 
 #endif

bsp/ls1cdev/libraries/ls1c_spi.c

@@ -260,7 +260,7 @@ inline void ls1c_spi_clear(void *spi_base)
     val = reg_read_8(spi_base + LS1C_SPI_SPSR_OFFSET);
     if (LS1C_SPI_SPSR_WCOL_MASK & val)
     {
-        rt_kprintf("[%s] clear register SPSR's wcol!\r\n");       // 手册和linux源码中不一样，加个打印看看
+        rt_kprintf("[%s] clear register SPSR's wcol!\r\n",__FUNCTION__);       // 手册和linux源码中不一样，加个打印看看
         reg_write_8(val & ~LS1C_SPI_SPSR_WCOL_MASK, spi_base + LS1C_SPI_SPSR_OFFSET);   // 写0，linux源码中是写0
 //        reg_write_8(val | LS1C_SPI_SPSR_WCOL_MASK, spi_base + LS1C_SPI_SPSR_OFFSET);  // 写1，按照1c手册，应该写1
     }