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Subject: CSR/CR questions
From: "Bai Jiaoni" <baijn@ihep.ac.cn>
To: tech-talk@aps.anl.gov
Date: Mon, 29 Oct 2012 15:55:00 +0800 (CST)

Dear Professor,

I want to use Geogrephic addressing to set the base address. I have some questions about CR/CSR address space. If I have the hardware in the 6 VME slot. I konw the CSR/CR space of this slot is 6<<19. CSR/CR includes two parts: CR and CSR. CR addressing space is from 0x0000 to 0x00FFF, which is about configuration information. The CSR space is from 0x7FC00 to 0x7FFFF. The table 10-13 of attachment is the CSR space. and the table 10-8 is one of the ADER.

1 Why one CSR/CR has 8 ADER instead of only one?

2 How does each ADER decoder? If the solt is 6, how to set the base address?

The below information is our hardware base address setting information:

void addr()
{

 printf(">>VME:: Basic Global Address Configure.\n");
 quickctrl_addr=0xfc0270;/* quick control address */
 quickctrl_toff=0x18;       /*sign of turning off quick control*/
 csr1_haddr=0x700! 43;     /*cblt csr1 high 8 bits offset address*/
 ader3_addr=0x7ffdc;     /*address decoder compre registers address*/
 CLKader3_haddr=0x7ffdf+0x3;
 CLKader2_haddr=0x7ffdb+0x3;
 CLKader1_haddr=0x7ffd7+0x3;
 CLKader0_haddr=0x7ffd3+0x3;

 HPset_regaddr=0x10400;  /*HPTDC setup reg*/
 ader2_haddr=0x7ffd8+0x3;/*address decoder compre register2 high 8 bits address */
 ader3_haddr=0x7ffdc+0x3;/*address decoder compre register3 high 8 bits address */
 /*HighThresh,LowThresh,Constvoltage,SelfTestSignAmp,QTLowThresh,QTHighThresh;*/
 LTReg_addr=0x40000,HTReg_addr=0x40004,QTCurr_addr=0x40008,SLEFTest_addr=0x4000c,QTHTrig_addr=0x40010,QTLTrig_addr=0x40014;
 EventReg_addr=0xc;
 Quickctrl_offaddr=0x7ffb;
 /*L1_num;*/
  LUT_addr=0x30000;
 
 printf("VME:: Constant Address Set.\n");
}

 

WriteToV! me8((nGeo<<19)+ader2_haddr, VCSR, nGeo<<4));

WriteToVme8((nGeo<<19)+ader3_haddr, VCSR, nGeo>>4));

--

Jiaoni Bai 
Institute of High Energy Physics, CAS

NO.19 of Yuquan Road, Shijingshan District, Beijing, China

 


 

Attachment: CSR.png
Description: PNG image


Replies:
Re: CSR/CR questions Bjorklund, Eric A

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