参考这里：

 

http://e2e.ti.com/support/arm/sitara_arm/f/791/t/168122.aspx

http://communistcode.co.uk/blog/blogPost.php?blogPostID=1

 

 linuxkernelpsp/arch/arm/mach-omap2/board-am335xevm.c:

 

找到 vm_dev_cfg beaglebone_dev_cfg 

加入

{spi1_init, DEV_ON_BASEBOARD, PROFILE_ALL}, 

找到 spi_board_info am335x_spi0_slave_info

把"m25p80" 改成spidev

 

static struct spi_board_info am335x_spi1_slave_info[] = {
  	{
  		.modalias      = "spidev", 		.platform_data = &am335x_spi_flash, 		.irq           = -1, 		.max_speed_hz  = 10000000, 		.bus_num       = 2, 		.chip_select   = 0, 		.mode = SPI_MODE_0, 	}, };