This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

AM3715 在linux驱动操作spi寄存器问题

Other Parts Discussed in Thread: AM3715, SYSCONFIG

使用的是AM3715,参考uboot的omap3_spi.c的代码,移植到linux驱动去,在写寄存器的时候报

”Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa098014“这个错误;

#define OMAP3_MCSPI_SYSCONFIG_SOFTRESET (1 << 1)

执行的代码是omap_writel(OMAP3_MCSPI_SYSCONFIG_SOFTRESET, 0x48098010);       

请问有没有同志遇到这样的问题。

如果有驱动直接操作寄存器来使用SPI的demo参考就更好了