Add SPI0 CS0 Lock Signal

Eric Lee
1 parent 00daf591e4
Showing 1 changed file with 6 additions and 1 deletions Side-by-side Diff
board/embedian/smarcfimx6/smarcfimx6.c
@@ -1204,7 +1204,12 @@
 #endif
  
 #ifdef CONFIG_SYS_USE_SPINOR
-	setup_spinor();
+        /*Unlock SPI Flash*/
+        gpio_direction_output(IMX_GPIO_NR(4,20), 1);
+        udelay(100);
+        setup_spinor();
+        /*Lock SPI Flash and Free SPI0*/
+        gpio_direction_output(IMX_GPIO_NR(4,20), 0);
 #endif
  
         setup_spi1();
...	...	@@ -1204,7 +1204,12 @@
1204	1204	#endif
1205	1205
1206	1206	#ifdef CONFIG_SYS_USE_SPINOR
1207		- setup_spinor();
	1207	+ /Unlock SPI Flash/
	1208	+ gpio_direction_output(IMX_GPIO_NR(4,20), 1);
	1209	+ udelay(100);
	1210	+ setup_spinor();
	1211	+ /Lock SPI Flash and Free SPI0/
	1212	+ gpio_direction_output(IMX_GPIO_NR(4,20), 0);
1208	1213	#endif
1209	1214
1210	1215	setup_spi1();