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iar移植过来的,调试的时候异常调试器崩溃,
搞了很久没有找到原因,希望飞思技术支持能帮个忙,已经看过数据手册上面的初始化步骤,没得到什么结果
工程附件在此贴中
http://www.amobbs.com/forum.php? ... p;page=1#pid8178088
初始化代码如下.
- void twr_ddr2_script_init(void)
- {
- /* Enable DDR controller clock */
- SIM->SCGC3 |= SIM_SCGC3_DDR_MASK;
- /* Enable DDR pads and set slew rate */
- SIM->MCR |= 0xC4; // bits were left out of the manual so there isn't a macro right now
- DDR->RCR |= DDR_RCR_RST_MASK;
- * (volatile uint32_t *)(0x400Ae1ac) = 0x01030203;
- // DDR->CR00 = 0x00000400; // DDRCLS = 4 is reserved??
- * (volatile uint32_t *)(0x400Ae000) = 0x00000400;
- DDR->CR02 = 0x02000031;
- DDR->CR03 = 0x02020506;
- DDR->CR04 = 0x06090202;
- DDR->CR05 = 0x02020302;
- DDR->CR06 = 0x02904002;
- DDR->CR07 = 0x01000303;
- DDR->CR08 = 0x05030201;
- DDR->CR09 = 0x020000c8;
- DDR->CR10 = 0x03003207;
- DDR->CR11 = 0x01000000;
- DDR->CR12 = 0x04920031;
- DDR->CR13 = 0x00000005;
- DDR->CR14 = 0x00C80002;
- DDR->CR15 = 0x00000032; // | DDR->CR15_SREF_MASK ;
- DDR->CR16 = 0x00000001;
- DDR->CR20 = 0x00030300;
- DDR->CR21 = 0x00040232;
- DDR->CR22 = 0x00000000;
- // DDR->CR23 = 0x00040302;
- // DDR->CR25 = 0x0A010201;
- DDR->CR26 = 0x0101FFFF;
- DDR->CR27 = 0x01010101;
- DDR->CR28 = 0x00000003;
- DDR->CR29 = 0x00000000;
- DDR->CR30 = 0x00000001;
- DDR->CR34 = 0x02020101;
- // DDR->CR36 = 0x01010201;
- DDR->CR37 = 0x00000200;
- DDR->CR38 = 0x00200000;
- DDR->CR39 = 0x01010020;
- DDR->CR40 = 0x00002000;
- DDR->CR41 = 0x01010020;
- DDR->CR42 = 0x00002000;
- DDR->CR43 = 0x01010020;
- DDR->CR44 = 0x00000000;
- DDR->CR45 = 0x03030303;
- DDR->CR46 = 0x02006401;
- DDR->CR47 = 0x01020202;
- DDR->CR48 = 0x01010064;
- DDR->CR49 = 0x00020101;
- DDR->CR50 = 0x00000064;
- DDR->CR52 = 0x02000602;
- DDR->CR53 = 0x03c80000;
- DDR->CR54 = 0x03c803c8;
- DDR->CR55 = 0x03c803c8;
- DDR->CR56 = 0x020303c8;
- DDR->CR57 = 0x01010002;
- __asm("NOP");
- DDR->CR00 |= 0x00000001;
- while ((DDR->CR30 & 0x400) != 0x400);
- // ((MCM_MemMapPtr)0xE0080000u)->CR |= MCM_CR_DDRSIZE(1);
- MCM->CR |= MCM_CR_DDRSIZE(1);
- }
复制代码
用的调试器是pemicro 的multilink universal
以及osbdm,结果都一样,准备换jlink调试(去买线),估计结果一样 |
阿莫论坛20周年了!感谢大家的支持与爱护!!
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