TMS320F280023: SCI flash Kernel : BLANK_ERROR

Sudheesh, 

Have you made any modifications to the kernel? And do have something mapped to Sector 1? It looks like the error is coming from the start of Sector 1. 

Thanks

Anu

Hi,

 I have edited kernel program to fit it to first sector (SECTOR0).

Here i am sharing my linker file. It was working fine for the first time, next time onwards it showing this error.

//
// Keep the _bankSelect symbol
//
//-u bankSelect

MEMORY
{
BEGIN : origin = 0x080000, length = 0x000002
BOOT_RSVD : origin = 0x00000002, length = 0x00000126
RAMM0 : origin = 0x00000128, length = 0x000002D8
RAMM1 : origin = 0x00000400, length = 0x000003F8 /* on-chip RAM block M1 */
// RAMM1_RSVD : origin = 0x000007F8, length = 0x00000008 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

/* RAMLS4 : origin = 0x0000A000, length = 0x00000800
RAMLS5 : origin = 0x0000A800, length = 0x00000800
RAMLS6 : origin = 0x0000B000, length = 0x00000800
RAMLS7 : origin = 0x0000B800, length = 0x00000800*/

//
// Allocate space for the liveDFU function in bank 0
//

/* Combining all the LS RAMs */
RAMLS4567 : origin = 0x0000A000, length = 0x00002000
RAMGS0 : origin = 0x0000C000, length = 0x000007F8
// RAMGS0_RSVD : origin = 0x0000C7F8, length = 0x00000008 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

// FLASHBANK1 : origin = 0x00080000, length = 0x0000FFF0
// FLASH_BANK1_RSVD : origin = 0x0008FFF0, length = 0x00000010 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */
BOOTROM : origin = 0x003F0000, length = 0x00008000
BOOTROM_EXT : origin = 0x003F8000, length = 0x00007FC0
RESET : origin = 0x003FFFC0, length = 0x00000002
/* Flash sectors */
/* BANK 0 */
FLASH_BANK0_SEC0 : origin = 0x080002, length = 0x000FE6 /* on-chip Flash */
//BANK0_SEC1 : origin = 0x81000, length = 0x000017

FLASH_LDFU_SECTION : origin = 0x080FE9, length = 0x00017 /* on-chip Flash */

}

SECTIONS
{
codestart : > BEGIN, ALIGN(8)
.text : >> FLASH_BANK0_SEC0, ALIGN(8)
.cinit : > FLASH_BANK0_SEC0, ALIGN(8)
.switch : > FLASH_BANK0_SEC0, ALIGN(8)
.reset : > RESET, TYPE = DSECT /* not used, */

.stack : > RAMM1

.init_array : > FLASH_BANK0_SEC0, ALIGN(8)
.bss : > RAMLS4567
.bss:output : > RAMLS4567
.bss:cio : > RAMLS4567
.const : > FLASH_BANK0_SEC0, ALIGN(8)
.data : > RAMLS4567
.sysmem : > RAMLS4567

//ramgs0 : > RAMGS0

GROUP
{
.TI.ramfunc
} LOAD = FLASH_BANK0_SEC0,
RUN = RAMLS4567,
LOAD_START(RamfuncsLoadStart),
LOAD_SIZE(RamfuncsLoadSize),
LOAD_END(RamfuncsLoadEnd),
RUN_START(RamfuncsRunStart),
RUN_SIZE(RamfuncsRunSize),
RUN_END(RamfuncsRunEnd),
ALIGN(8)

LDFU_BANK0 : > FLASH_LDFU_SECTION, ALIGN(8)
}
/*
//===========================================================================
// End of file.
//===========================================================================
*/

What sectors are your application mapped to? Did you make any modifications to where Sector 1 starts?

Thanks

Anu

Hi,

My application starts from sector 1 to sector 5.

BEGIN address of my application is 81000 .

Here i am sharing my application linker file

MEMORY
{
BEGIN : origin = 0x081000, length = 0x000002
BOOT_RSVD : origin = 0x00000002, length = 0x00000126
RAMM01 : origin = 0x00000128, length = 0x000006D0

RAMGS0 : origin = 0x0000C000, length = 0x000007F8
RAMLS7 : origin = 0x0000B800, length = 0x00000800

BOOTROM : origin = 0x003F0000, length = 0x00008000
BOOTROM_EXT : origin = 0x003F8000, length = 0x00007FC0
RESET : origin = 0x003FFFC0, length = 0x00000002
/* Flash sectors */
/* BANK 0 */
FLASH_BANK0_SEC0 : origin = 0x080002, length = 0x000FFE /* on-chip Flash */
FLASH_BANK0_SEC1 : origin = 0x081002, length = 0x000FFE /* on-chip Flash */
FLASH_BANK0_SEC2 : origin = 0x082000, length = 0x001000 /* on-chip Flash */
FLASH_BANK0_SEC3 : origin = 0x083000, length = 0x001000 /* on-chip Flash */
FLASH_BANK0_SEC4 : origin = 0x084000, length = 0x001000 /* on-chip Flash */
FLASH_BANK0_SEC5 : origin = 0x085000, length = 0x001000 /* on-chip Flash */
FLASH_PARAM_SEC : origin = 0x087000, length = 0x001000 /*Reserved for FLash Parameters */
}

SECTIONS
{
codestart : > BEGIN, ALIGN(8)
.text : >> FLASH_BANK0_SEC2 | FLASH_BANK0_SEC3 | FLASH_BANK0_SEC4 | FLASH_BANK0_SEC5, ALIGN(8)
.cinit : > FLASH_BANK0_SEC1, ALIGN(8)
.switch : > FLASH_BANK0_SEC1, ALIGN(8)
.reset : > RESET, TYPE = DSECT /* not used, */

.stack : > RAMM01

.init_array : > FLASH_BANK0_SEC1, ALIGN(8)
.bss : > RAMGS0
.bss:output : > RAMGS0
// .bss:cio : > RAMGS0
.const : > FLASH_BANK0_SEC1, ALIGN(8)
.data : > RAMGS0
.flashParamRam : > RAMLS7
.sysmem : > RAMGS0

/* Allocate IQ math areas: */
IQmath : > RAMGS0
IQmathTables : > RAMGS0

FlashParamSector : > FLASH_PARAM_SEC type = NOINIT

.TI.ramfunc : LOAD = FLASH_BANK0_SEC1,
RUN = RAMGS0,
LOAD_START(RamfuncsLoadStart),
LOAD_SIZE(RamfuncsLoadSize),
LOAD_END(RamfuncsLoadEnd),
RUN_START(RamfuncsRunStart),
RUN_SIZE(RamfuncsRunSize),
RUN_END(RamfuncsRunEnd),
ALIGN(8)
}
/*
//===========================================================================
// End of file.
//===========================================================================
*/

Why it is always working fine during debug ?

Thanks 

- Sudheesh

Hi ,

I also found the actual error. The error return value is 0x201 (ie Dec 513 : Fapi_Error_FlashRegsNotWritable ). How can i solve this ?

-Thanks

Are you initializing the Flash API? This should be done in the main file of the kernel. 

Thanks

Anu

Hi,

I have placed  Fapi_initializeAPI() in main file itself. What i am not understanding is why this is working fine when i am doing debugging ?

Thanks

-Sudheesh

Sudheesh, 

I will get back to you by next Wednesday. 

Thanks

Anu

Are there any optimizations set on the project when you compile it to run standalone?

Hi ,

No, Optimization level is OFF.

Thanks

Is the Flash API being copied to RAM at runtime? Since this is a single bank device you will need to run the Flash API out of RAM when performing operations on Flash. 

Thanks

Anu