下载NK时会停在 Sp=ffffc7cc 或者死在 PSMFSD_MountDisk: FG_Init failed! status=33 ，请教做过相关的兄弟！

wangxin_801115 2009-03-21 11:25:56
各位：
最近不知道为什么下载NK时总是死在 Sp=ffffc7cc
Windows CE Kernel for ARM (Thumb Enabled) Built on Aug 4 2008 at 18:38:38
ProcessorType=0411 Revision=7
sp_abt=ffff5000 sp_irq=ffff2800 sp_undef=ffffc800 OEMAddressTable = 800813e4
USING_COPROCSUPPORT
DS1302_Initial
Sp=ffffc7cc
停在这里，上网上查，相关问题都是下载内核成功后，再次启动出现的，放几分钟电清一下内存就好了
可是我是在下载NK的时候出现的，下载那几个固定的NK怎么也不会出现这个问题，但是同一个BSP下编译另外的NK
就会出现这个问题

还有就是有些NK是可以过这个地方Sp=ffffc7cc
但是在IPSM那出现了问题，打印了一条：PSMFSD_MountDisk: FG_Init failed! status=33
我没有相关的错误码对照表，也不知道为什么会出现这个问题
但是可以通过调整PSM中plat_api.c中的oem_info段，使NK能启动
大部分是将整个FLASH和可识别区变小就可以了
可是不知道这是为什么
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sunboyljp 2009-12-24
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你是用的BINFS文件系统吧，把这个去掉试试！
wangxin_801115 2009-03-25
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哦！
thank U!
hzdysymbol 2009-03-25
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你的不是Ｉntel的Ｎor flash吗？
ＭＤＯＣ是以前的Ｍ－Ｓystem的产品，现在被Ｓandisk收购了，是一种Ｎor 接口的Ｎand产品
wangxin_801115 2009-03-25
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哦！！
不解！
那我的是什么呢？呵呵
hzdysymbol 2009-03-25
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搞错了，你的不是ＭＤＯＣ
ＭＳＣ０是指Static Memory Control Registers (MSCx)
wangxin_801115 2009-03-25
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弱弱的问ＭＤＯＣ和ＭＳＣ０是什么？
在什么地方调节？
wangxin_801115 2009-03-24
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貌似降低主频可以解决这个问题
降低了主频，目前还没出现这个问题

正在测试中！KITL研究中！
wangxin_801115 2009-03-24
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ding!
wangxin_801115 2009-03-24
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我把主频和SDRAM的频率都降了：
原来是：ldr r2, =0x756;setting SDRAM 97.5Mhz, 2.5 X 2 cpu 487Mhz
现在是：ldr r2, =0x751 ;setting SDRAM 91Mhz, 2 X 2 cpu 364Mhz

弱弱的问ＭＤＯＣ和ＭＳＣ０是什么？
hzdysymbol 2009-03-24
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降低主频？
你不是ＭＤＯＣ出问题吗，试着调节ＭＳＣ０到最慢看看，如果太快也会出问题的
elmnd 2009-03-23
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帮顶啊~~~
szy41 2009-03-23
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帮顶一下
wangxin_801115 2009-03-23
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比如NK1有时候死在Sp=ffffc7cc，多试几次其他内核（NK2、NK3、NK4......），突然有一个内核可以下载进去并启动，

然后用同一个板子、同一个BOOT再下载NK1又可以启动了

就好象打通板子的“任都”二脉........我快精神分裂了

现在试试把主频和SDRAM频率都降低（原来是：ldr r2, =0x756;setting SDRAM 97.5Mhz, 2.5 X 2 cpu 487Mhz
现在是：ldr r2, =0x751 ;setting SDRAM 91Mhz, 2 X 2 cpu 364Mhz）
不知道能不能好，

KITL我从来没用过，看来得研究一下这个了

另外：PSMFSD_MountDisk: FG_Init failed! status=33 这个是什么问题呢？？

有没有哪位兄弟有IPSM的错误参数对照表？？
gooogleman 2009-03-23
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KITL这玩意很好用，最适合调试启动不了的郁闷情况。
yashi 2009-03-23
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死在Sp=ffffc7cc这种情况比较常见，我也遇到过几次。不过每次原因并不一样。你可以想想从上次正常启动，到这次之间，你修改了什么，这样就比较好找问题了。

另外要提示一下，不要觉得输出完sp=....死了，就以为是死在这个位置，你不要忘了，也有可能是死在其它位置，只不过，在sp=...之后再没有信息打印出来而已。
paul_chao 2009-03-23
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1. 你的 SDRAM 穩定性夠不夠, 因為 WinCE 加載至 file system 時, sdram bus 負載會很大, 若是 sdram layout 沒做好, 則會有啟動失敗的情形
==> 降頻或是調整 SDRAM Timming 處理.

2. 建議用 debug mode 來做偵錯, 並將該 debug message 放上來, 這樣比較容易清楚問題的發生點.

Paul, Chao @ Techware
wangxin_801115 2009-03-23
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谢谢
这三个还真有可能
constantine 2009-03-23
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http://blog.csdn.net/constantine/archive/2008/11/05/3225563.aspx
或许对你有帮助
wangxin_801115 2009-03-23
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跟内存相关的是我修改了OEMaddressTable
因为将原32M的FLASH括到64M
所以将OEMaddressTable中的PCMCIA删除了
藤出来32M的虚拟空间
xqhrs232 2009-03-22
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mark
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