Copyright © 2004 Texas Instruments. All rights reserved. T TO Technical Training Organization 1.Introduction 2.Real-Time System Design Considerations 3.Hardware Interrupts (HWI) 4.Software Interrupts (SWI) 5.Task Authoring (TSK) 6.Data Streaming (SIO) 7.Multi-Threading (CLK, PRD) 8.BIOS Instrumentation (LOG, STS, SYS, TRC) 9.Static Systems (GCONF, TCONF) 10.Cache (BCACHE) 11.Dynamic Systems (MEM, BUF) 12.Flash Programming (HexAIS, Flashburn) 13.Inter-Thread Communication (MSGQ,...) 14.DSP Algorithm Standard (XDAIS) 15.Input Output Mini-Drivers (IOM) 16.Direct Memory Access (DMA) 17.Review DSP/BIOS System Integration Workshop 1 T TO Technical Training Organization

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 2 T TO Technical Training Organization

System Startup – CCS Load vs Flash Boot 1. RESET goes high 2. Sample boot pins 3. Peripheral, CPU registers reset 4. Load demo from FLASH - IRAM / Cache setup 5. CCS halts CPU 6. Initialization GEL file sets up: - Interrupts - EMIF 7. CCS loads code & data to test 8. CCS releases target on ‘run’ cmd - Reset routine (_c_int00) - BIOS_init() - main() - init - BIOS_start() - BIOS scheduler begins 1. RESET goes high 2. Sample boot pins 3. Peripheral, CPU registers reset 4. AIS.INI code sets up: - Interrupts - EMIF 5. Load code from FLASH to RAM 6. Program begins from 0x Reset routine (_c_int00) - BIOS_init() - main() - init - IRAM/Cache setup - BIOS_start() - BIOS scheduler begins 3 T TO Technical Training Organization

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 4 T TO Technical Training Organization

CCS GEL File  Provided by TI  Puts DSP in mode good for most users  Can be modified as desired  Runs on CCS connect to target 5 T TO Technical Training Organization

hexAIS Conversion.ini File  Provided by TI  Puts DSP in mode good for most users  Can be modified as desired  Runs on boot from flash  Specifies behavior of  Boot Mode  PLL  DDR  EMIF  PinMux  Pwr Domains 6 T TO Technical Training Organization

Cache Setup via BCACHE API #include // headers for BIOS Cache functions setCache() { char *DDR2BASE = (char *) 0x ;// Pointer to DDR2 base addr struct int DDR2SZ = 0x07D00000;// size of DDR2 area on DM6437 EVM BCACHE_Size cachesize;// L1 and L2 cache size struct BCACHE_setMode(BCACHE_L1D, BCACHE_NORMAL);// set L1D cache mode to normal BCACHE_setMode(BCACHE_L1P, BCACHE_NORMAL);// set L1P cache mode to normal BCACHE_setMode(BCACHE_L2, BCACHE_NORMAL);// set L2 cache mode to normal cachesize.l1dsize = BCACHE_L1_32K;// L1D cache size 32k bytes cachesize.l1psize = BCACHE_L1_32K;// L1P cache size 32k bytes cachesize.l2size = BCACHE_L2_0K;// L2 cache size ZERO bytes BCACHE_setSize(&cachesize);// set the cache sizes BCACHE_inv(DDR2BASE, DDR2SZ, TRUE);// invalidate DDR2 cache region BCACHE_setMar(DDR2BASE,DDR2SZ,BCACHE_MAR_ENABLE); // all DDR2 is now cacheable } 7 T TO Technical Training Organization

Cache Setup via Config Tool 8 T TO Technical Training Organization

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 9 T TO Technical Training Organization

CCS: Project / Build Build Steps : CCS/Debug vs Flash file.out CCS: File / Ld Pgm CCS: Project / Build file.out Flashburn DDR DVEVM Hex AIS file.hex DM643x.ini FbConfig1.cdd Cx: L1, L2 Flash DDR DVEVM Cx: L1, L2 Flash evmdm6437.gel 10 T TO Technical Training Organization

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 11 T TO Technical Training Organization

Hex Conversion Utility (hex6x.exe) hex.ini app.out hex6x app.hex  ASCII-hex  Tektronix  Intel MCS-86  Motorola-S  TI-tagged  Converts an “.out” file into one of several hex formats suitable for loading into an EPROM programmer  Boot-loader copies code/data from FLASH to IRAM/SDRAM  When using the hardware boot, you do not have to relink your program with run/load addresses - HEX6x takes care of this for you  If desired, code/data can still be accessed from flash at run-time 12 T TO Technical Training Organization

Map file representation of COPY_TABLE CONTENTS: f.boot_load ff FILL = af13 BOOT TABLE.hwi_vec : btad= dest= size= sysinit : btad= c dest= size= trcdata : btad= dest=00002d68 size= c.gblinit : btad= dest=00002d74 size= cinit : btad=640009c4 dest= size= pinit : btad=64001e20 dest=00002da8 size= c.const : btad=64001e34 dest=00002db4 size=000000cf.text : btad=64001f0c dest=00004ce0 size= bios : btad= dest= size=00003ee0.stack : btad= c dest=0000c520 size= trace : btad=64009b64 dest=0000c920 size= rtdx_text : btad=64009d6c dest=0000cf60 size=00000ee0.args : btad=6400ac54 dest=00002fc0 size= log : btad=6400ac60 dest=00002fc4 size= LOG_system$buf : btad=6400ac98 dest=0000e300 size= logTrace$buf : btad=6400ada0 dest=0000e400 size= sts : btad=6400aea8 dest=0000e2a0 size= af ffff FILL = Example-hex.map  By default, HEX AIS adds all “initialized” sections to the bootloader table 13 T TO Technical Training Organization

CCS GEL Menu 14

CCS Project View 15

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 16 T TO Technical Training Organization

Launching FlashBurn 17

FlashBurn Configuration NOTE 18

Getting the FlashBurn Tool 19

Booting From Flash  System Startup  Initialization Files  Build Process  Hex AIS  Flashburn  Lab 20 T TO Technical Training Organization

ti Technical Training Organization 21

Booting From Flash  Current Milestone  Other Milestones 22 T TO Technical Training Organization