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AM3354的TIMER4产生PWM出现问题,求指导

Other Parts Discussed in Thread: AM3354

您好!我是AM3354的企业用户,使用中遇到问题:
1.我把RGM1_TCTL引脚功能从OMAP_MUX_MODE2改成MODE3,准备用作TIMER4功能,
2.然后在驱动程序里面映射物理地址:time4_tclr   =  ioremap (0x48044038,4);
3.设置TCLR,TCRR,TLDR;*time4_tclr = 0x14ab;开定时器,发出PWM,
4.编译程序后运行,有如下错误;还请相关技术人员给我一些指导,不胜感激!