Confirmation of how to connect TMS320C6713B with Flash,RAM and ROM

Thanks alot Sivaraj K for your kind response. 

 Now I want to configure my EMIF registers as shown in Appendix B of spra568. I am copying the exact same code in CCS. But I am having many errors in that code. for example
ERROR:

unresolved symbol _emif_config, first referenced in ./project.obj  EMIF_flash line 0 1390219485311 341

  In order to remove the error I searched alot if I couldn find any document/ guide on configuring EMIF but I'm unable to find any useful document.

I followed the other link you shared i.e 

http://processors.wiki.ti.com/index.php/Flashing_the_C6713_EVM 

but it also doesn't give any instruction on how  to write its code in CCS. Main questions in my mind are
Q1. Whether CCS can be used to configure EMIF.

if yes than

Q2 What are the values needed to be assigned to EMIF control registers?

Q3. What are the commands to configure EMIF registers.?

Considering my device is C6713 processor, Flash is being connected to it, working in little endian mode.

Waiting for your kind response.

Thank you

Maheen  

Hi 

I am waiting for your kind response.

Thank you.

Thanks alot for your help Sivaraj K.

Following your advice in order to remove the error I made the project again

I have added CSL library 

"C:\C6xCSL\include" in inludes

"C:\C6xCSL\lib_3x\csl6713.lib"

 and linker command file 
C6713.cmd

Now it is not giving me the error mentioned above. 

But now it is giving me new errors in code e,g

"declaration is incompatible with "int ctrl_addr2" (declared at line 119)  in code of spra568"

line 119 is int * ctrl_addr1 = (int *) ((int)flash_ptr + (0x555 << 2));

Can you help me with errors like this?

Thank you.

Regards,

Maheen.

Okay the previous errors have been removed. Now I'm getting errors like 

identifier "EMIF_CE0_CTRL" is undefined 

identifier "EMIF_CE1_CTRL" is undefined 
identifier "EMIF_CE2_CTRL" is undefined 
identifier "EMIF_CE3_CTRL" is undefined 
identifier "EMIF_GCTRL" is undefined 
identifier "EMIF_SDRAM_CTRL" is undefined 
identifier "EMIF_SDRAM_REF" is undefined 
identifier "MTYPE_32ASYNC" is undefined 
identifier "MTYPE_SZ" is undefined 
identifier "MTYPE" is undefined
identifier "READ_HOLD_SZ" is undefined 
identifier "READ_HOLD" is undefined 
identifier "READ_SETUP_SZ" is undefined 
identifier "READ_SETUP" is undefined
identifier "READ_STROBE_SZ" is undefined 
identifier "READ_STROBE" is undefined 
identifier "WRITE_HOLD_SZ" is undefined
identifier "WRITE_HOLD" is undefined
identifier "WRITE_SETUP_SZ" is undefined
identifier "WRITE_SETUP" is undefined
identifier "WRITE_STROBE_SZ" is undefined 
identifier "WRITE_STROBE" is undefined
 

I think I'm getting these errors either because I haven't added any particular library or header file or some particular function is not being called properly.

Why do you think these errors might be occurring.?

Thank you

Maheen

I am sorry to bother you again and again but now my previous errors have also been removed I manually defined them like this

#define EMIF_CE1_CTRL   0x01800004 //EMIF CE1 space control 

Now it is giving me error at GET_REG and emif_init i.e 

unsigned int g_ctrl     = GET_REG(EMIF_GCTRL);

emif_init(g_ctrl, ce0_ctrl, ce1_ctrl, ce2_ctrl, ce3_ctrl,sdram_ctrl, sdram_ref);

spra273 tells me to define these functions(GET_REG and emif_init). but another link told me that for C6713 , if I have added CSL library I don't need to define them. as CSL library will fill this purpose for me.

Kindly tell me what is it them I'm doing wrong.?

Thank you 

Regards

Maheen

Okay I don't know if its the right thing to do but now there are no errors in the code.

I am still copying the exact code to interface flash with EMIF provided in Appendix B of spra568. The only change I've made is that  I have replaced the function of "emif_config();" with "EMIF_config(&MyConfig);". 

My  reference was spru401j. In its chapter 9 it has mentioned in 9-5 

This is the EMIF configuration structure used to set up the EMIF peripheral.
You create and initialize this structure and then pass its address to the EMIF_config() function.

that is I have removed 

void emif_config();

 and have placed 

void EMIF_config(EMIF_Config *config);
EMIF_Config MyConfig = {
0x01800000, /* gblctl */
0x01800008, /* cectl0 */
0x01800004, /* cectl1 */
0x01800010, /* cectl2 */
0x01800014, /* cectl3 */
0x01800018, /* sdctl */
0x0180001C, /* sdtim */
0x01800020 /* sdext */
};

and have called it in main where previously  "emif_config();" was being called. 

Rest of the code is exactly same. Values in the above registers are obtained from datasheet of DSP C6713 (peripheral register descriptions).

Now kindly let me know if I have done the right thing? and it will work in hardware.?

Waiting for your response.

Thank you,

Regards

Maheen 

Hi, 

Please reply to my posts. I'm waiting for your reply.

Also I don't understand the addresses in erase_flash function. i.e 

int erase_flash(int *flash_ptr)
{
//write erase chip cmd sequence
int *ctrl_addr1 = flash_ptr + (0x555 << 2);
int *ctrl_addr2 = (int *) ((int)flash_ptr + (0x2aa << 2));
int pass = TRUE;
*ctrl_addr1 = 0xaa; /* Erase sequence writes to addr1 and addr2 */
*ctrl_addr2 = 0x55; /* with this data */
*ctrl_addr1 = 0x80;
*ctrl_addr1 = 0xaa;
*ctrl_addr2 = 0x55;
*ctrl_addr1 = 0x10;
pass = poll_data(flash_ptr, (unsigned char) 0xff);
if (!pass)
printf("failed erase\n\n");
return pass;
}

Can you plz tell what are these addresses?

Plz do reply

Pubesh,

Also please tell me that why is there no main function in this code? 

It is giving me error 

unresolved symbol _main, first referenced in C:/Program.

I think it is giving me this error because of the absence of main function.

Thanks