查看“MYZR-R16-EK166 FAQ Reference Manual”的源代码

##'''About R16 increase spi '''   
#### Linux system：  
1）Add spi drivers to the kernel  
$cd tinaV2.1
$source build/envsetup.sh  
$lunch astar_parrot-tina   
$make kernel_menuconfig  
Device Drivers --->  
SPI support --->  
<*>   User mode SPI device driver support     
  
2）Modification   
<pre>  
tinaV2.1/target/allwinner/astar-parrot/configs/sys_config.fex  
[spi_board0]  
modalias      = "at25df641"  
sflash_size   = 32  
max_speed_hz  = 50000000
bus_num       = 0  
chip_select   = 0  
mode          = 0  
</pre>  
changed to  
<pre>   
[spi_board0]
modalias      = "spidev"  
sflash_size   = 32  
max_speed_hz  = 50000000  
bus_num       = 0  
chip_select   = 0  
mode          = 0  
</pre>    
#### Android system：  
1）Add spi drivers to the kernel  
$cd lichee/linux-3.4    
$make ARCH=arm menuconfig    
Device Drivers --->   
SPI support --->   
<*>   User mode SPI device driver support 
   
2）Modification 
<pre>   
lichee/tools/pack/chips/sun8iw5p1/configs/evb-30/sys_config.fex    
[spi_board0]  
modalias      = "at25df641"    
sflash_size   = 32    
max_speed_hz  = 50000000  
bus_num       = 0    
chip_select   = 0   
mode          = 0   
</pre>   
changed to   
<pre> 
[spi_board0]  
modalias      = "spidev"    
sflash_size   = 32    
max_speed_hz  = 50000000    
bus_num       = 0   
chip_select   = 0   
mode          = 0
</pre>