; -------------------------------------------------------------------------------- ; @Title: OSPI FLASH Program script for the AM654x ; @Description: ; The MT35XU512 (Cypress) is connected to the OSPI_CS0 controller ; ; SRAM: ; OSPI(controller) Base: 0x47040000 ; OSPI memory mapped ADDRESS: ; ; Prerequisites: Switch Settings ; ; @Chip: ; @Board: ; @Author: JIM ; @Keywords: Micron ; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only ; -------------------------------------------------------------------------------- ; $Id: am654x-ospi.cmm 11733 2023-01-16 08:55:12Z bschroefel $ PRIVATE ¶meters ENTRY %LINE ¶meters PRIVATE ¶m_prepareonly ¶m_dualport ¶meters=STRing.UPpeR("¶meters") ¶m_prepareonly=(STRing.SCAN("¶meters","PREPAREONLY",0)!=-1) ¶m_dualport=STRing.SCANAndExtract("¶meters","DUALPORT=","1") LOCAL &pdd &pdd=OS.PresentDemoDirectory() ; -------------------------------------------------------------------------------- LOCAL &OSPI_BASE &OSPI_MEMORY_BASE &OSPI_BASE=0x47040000 &OSPI_MEMORY_BASE=0x50000000 ; flash contents memory mapped address WinCLEAR //open the master core(CM3) to disable WDOG ; -------------------------------------------------------------------------------- ; open an other debugger instance for the Cortex-M3 IF !INTERCOM.PING(CM3) TargetSystem.NewInstance CM3 /ARCHitecture ARM ; -------------------------------------------------------------------------------- ; initialize and start the debugger InterCom CM3 RESet InterCom CM3 SYStem.RESet InterCom CM3 SYStem.CPU AM6548-CM3 IF COMBIPROBE()||UTRACE() ( InterCom CM3 SYStem.CONFIG.CONNECTOR MIPI34 ; because of converter LA-3782 ) InterCom CM3 SYStem.Option EnReset OFF InterCom CM3 SYStem.Option DUALPORT ON InterCom CM3 SYStem.MemAccess DAP InterCom CM3 Trace.DISable InterCom CM3 SYStem.CONFIG SLAVE OFF ; CM3 is the master core ; disable a clock gate; you can't connect otherwise InterCom CM3 SYStem.Mode Prepare InterCom CM3 Data.Set EDBG:0x400003f0 %Long 0x00190000 InterCom CM3 Data.Set EDBG:0x40000350 %Long 0x00102098 InterCom CM3 SYStem.Up ; -------------------------------------------------------------------------------- ; stop DMSC watchdog InterCom CM3 Data.Set 0x44135120 %Long 0x4658fc21 InterCom CM3 Data.Set 0x44135124 %Long 0x3ac4f102 InterCom CM3 Data.Set 0x44135150 %Long 0x0000000a ; -------------------------------------------------------------------------------- ; disable lockstep operation of second Cortex-R5F InterCom CM3 Data.Set 0x45A50040 %Long 0x00000008 ; MCU_CLUSTER0_CONFIG_MMR SYStem.CPU AM6548-CR5 CORE.ASSIGN 1. SYStem.CONFIG SLAVE ON ; CR5 is the slave core SYStem.Option RB off SYStem.Option EnReset ON SYStem.MemAccess DAP ;Enable to use the dualport SYStem.Up GOSUB CLK_INIT GOSUB PIN_MUX GOSUB OSPI_INIT GOSUB CACHE_MMU_INIT ;GOSUB READ_ID_TEST &pdd=OS.PresentDemoDirectory() Break.RESet FLASH.RESet FLASH.Create 1. &OSPI_MEMORY_BASE++0x03FFFFFF 0x20000 TARGET Byte ; for MT35XU512 sector layout IF ("¶m_dualport"!="1") FLASH.TARGET 0x41C00000 0x41C00000+0x2000 0x1000 ~~/demo/arm/flash/byte/snor_am752x.bin ELSE FLASH.TARGET 0x41C00000 E:0x41C00000+0x2000 0x1000 ~~/demo/arm/flash/byte/snor_am752x.bin /DUALPORT ; Re-enable I cache Data.Set C15:0x1 %long (Data.Long(C15:0x1)|(0x1<<12.)) ; enable I cache ; Read FLASH Manufacturer and Device ID SILENT.FLASH.SPI.CMD 1. 0x9F /READ 0x4 vm:0x0 IF (Data.Long(vm:0)&0xFFFF)==0x5B34 //S28HS512 id code ( PRINT "spi flash is S28HS512" GOSUB SPI_4B_ADDRMODE_ENABLE SILENT.FLASH.SPI.CMD 1. 0x65 0x00 0x80 0x00 0x04 0x0 /READ 0x1 vm:0 ; Read Any Register to verify CFR3V IF (Data.Byte(vm:0)&0x08)==0x00 //00: hybrid ( PRINT "detect the flash is the hybrid mode" FLASH.Delete 1. FLASH.Create 1. (&OSPI_MEMORY_BASE+0x00000000)++0x0001FFFF 0x01000 TARGET Byte ; 32 x 4K FLASH.Create 1. (&OSPI_MEMORY_BASE+0x00020000)++0x0001FFFF 0x20000 TARGET Byte ; 1 x 128k FLASH.Create 1. (&OSPI_MEMORY_BASE+0x00040000)++(0x03FFFFFF-0x40000) 0x40000 TARGET Byte ; rest x 256k ) ELSE // uniform mode ( FLASH.Delete 1. FLASH.Create 1. &OSPI_MEMORY_BASE++0x03FFFFFF 0x40000 TARGET Byte ) ) ; Flash script ends here if called with parameter PREPAREONLY IF ¶m_prepareonly ENDDO PREPAREDONE ; -------------------------------------------------------------------------------- ; Flash programming example DIALOG.YESNO "Program flash memory?" LOCAL &progflash ENTRY &progflash IF &progflash ( FLASH.ReProgram.ALL Data.LOAD.auto * ;Data.LOAD.Binary * &OSPI_MEMORY_BASE FLASH.ReProgram.off ; Reset device PRINT "Please power-cycle the board after flash program is complete" ) ENDDO READ_ID_TEST: ( ; In case of errors you can try to read the ID via: ; GOSUB READ_ID_TEST ; ; Check the output of the AREA window. ; Expected output ID: ; 0x2C ; 0x5A (or 0x5B) ; 0x1A ; 0x10 ; 0x41 ; 0x00 (or 0x04) ; ... (Unique ID code) LOCAL &rdata &CTRLREG=&OSPI_BASE+0x090 &RXDATA0=&OSPI_BASE+0x0A0 &RXDATA1=&OSPI_BASE+0x0A4 &cmd=0x9f<<24. //cmd &rd=0x1<<23. //rd data enable &rd_num=0x7<<20. //7+1==8bytes &cmd_exec=0x1 //cmd execution Data.Set EZAXI:&CTRLREG %LE %Long (&cmd|&cmd_exec|&rd_num|&rd) ;write cmd + write data WAIT 100.ms &rdata=Data.Long(EZAXI:&RXDATA0) ;read lower , 8byte fifo PRINT "1st 0x" (&rdata)&0xFF " (Manufacturer)" ; //RXFIFO0 PRINT "2nd 0x" (&rdata>>8.)&0xFF " (Device ID)" PRINT "3rd 0x" (&rdata>>16.)&0xFF PRINT "4th 0x" (&rdata>>24.)&0xFF &rdata=Data.Long(EZAXI:&RXDATA1) ;read upper , 8byte fifo PRINT "5th 0x" (&rdata)&0xFF PRINT "6th 0x" (&rdata>>8.)&0xFF PRINT "7th 0x" (&rdata>>16.)&0xFF PRINT "8th 0x" (&rdata>>24.)&0xFF RETURN ) ENDDO OSPI_INIT: ( Data.Set EZAXI:&OSPI_BASE+0x0 %LE %Long 0x0 Data.Set EZAXI:&OSPI_BASE+0x4 %LE %Long 0x00000013 ; 4B Addr Read Data.Set EZAXI:&OSPI_BASE+0x8 %LE %Long 0x00000012 ; 4B Addr Write Data.Set EZAXI:&OSPI_BASE+0x0 %LE %Long 0x80800000 Data.Set EZAXI:&OSPI_BASE+0x14 %LE %Long 0x1003; 4B Address mode, 3B Addr: 0x1002 Data.Set EZAXI:&OSPI_BASE+0x10 %LE %Long 0x21 Data.Set EZAXI:&OSPI_BASE+0x1C %LE %Long 0xFFFFFFFF Data.Set EZAXI:&OSPI_BASE+0xC %LE %Long (0xFF<<16.)|(0xFF<<8.) ; !!!!! OSPI_DEV_DELAY_REG because of writing !!!!! Data.Set EZAXI:&OSPI_BASE+0x0 %LE %Long 0x00000081|(0x3<<19.)|(0xE<<10.) ; 0x3==baudrate_div8, enable usage of OSPI_CS0 Data.Set EZAXI:&OSPI_BASE+0x1C %LE %Long 0x04000000 ;ospi_setdirectcutoff, end of the flash address RETURN ) PIN_MUX: ( ;MMR_unlock Data.Set 0x4301D008 %Long 0x68EF3490 ;CTRLMMR_WKUP_LOCK7_KICK0 Data.Set 0x4301D00C %Long 0xD172BC5A Data.Set 0x4301C000 %Long 0x00040000 ;CTRLMMR_WKUP_PADCONFIG0 Data.Set 0x4301C004 %Long 0x00040000 Data.Set 0x4301C008 %Long 0x00040000 Data.Set 0x4301C00C %Long 0x00040000 Data.Set 0x4301C010 %Long 0x00040000 Data.Set 0x4301C014 %Long 0x00040000 Data.Set 0x4301C018 %Long 0x00040000 Data.Set 0x4301C01C %Long 0x00040000 Data.Set 0x4301C020 %Long 0x00040000 Data.Set 0x4301C024 %Long 0x00040000 Data.Set 0x4301C028 %Long 0x00040000 Data.Set 0x4301C02C %Long 0x00040000 Data.Set 0x4301C030 %Long 0x00040000 Data.Set 0x4301C038 %Long 0x00040001 Data.Set 0x4301C03C %Long 0x00040001 RETURN ) CLK_INIT: ( Data.Set 0x40F09008 %Long 0x68EF3490 ; CTRLMMR_MCU_LOCK2_KICK0 Data.Set 0x40F0900C %Long 0xD172BC5A Data.Set 0x40d01010 %Long 0x68EF3490 ;MCU_PLL1_KICK0 Data.Set 0x40d01014 %Long 0x68EF3490 ;MCU_PLL1_KICK1 //freq == 166 Data.Set 0x40F08030 %Long 0x1 ;CTRLMMR_MCU_OSPI0_CLKSEL, 1h - CPSWHSDIV_CLKOUT4 Data.Set 0x40d01120 %Long 0x05000000 ;MCU_PLL1_HSDIV_CLKDIV, High Speed Divider Clock Divider Register Data.Set 0x40d01124 %Long 0x8 ;MCU_PLL1_HSDIV_CTRL WAIT 100.ms Data.Set 0x40d01124 %Long 0x80000008 RETURN ) CACHE_MMU_INIT: ( PRIVATE &i &tmpReg ; Enable MPU and disable I and D caches &tmpReg=Data.Long(C15:0x1) &tmpReg=&tmpReg|0x1 ; enable MPU &tmpReg=(&tmpReg&(~(0x1<<2.))) ; disable D cache &tmpReg=(&tmpReg&(~(0x1<<12.))) ; disable I cache Data.Set C15:0x1 %long &tmpReg ; Configure small region setup for flash programming PER.Set.SaveIndex C15:0x026 %Long 0x0 C15:0x016 %Long 0x00000000 ; set default PER.Set.SaveIndex C15:0x026 %Long 0x0 C15:0x216 %Long 0x0000003F PER.Set.SaveIndex C15:0x026 %Long 0x0 C15:0x416 %Long 0x00001310 PER.Set.SaveIndex C15:0x026 %Long 0x1 C15:0x016 %Long 0x50000000 ; setup flash window PER.Set.SaveIndex C15:0x026 %Long 0x1 C15:0x216 %Long 0x00000035 PER.Set.SaveIndex C15:0x026 %Long 0x1 C15:0x416 %Long 0x00001301 PER.Set.SaveIndex C15:0x026 %Long 0x2 C15:0x016 %Long 0x41C00000 ; setup buffer space PER.Set.SaveIndex C15:0x026 %Long 0x2 C15:0x216 %Long 0x00000027 PER.Set.SaveIndex C15:0x026 %Long 0x2 C15:0x416 %Long 0x0000030C ; Reset all other MPU regions &i=3. while &i<16. ( PER.Set.SaveIndex C15:0x026 %Long &i C15:0x016 %Long 0x0 PER.Set.SaveIndex C15:0x026 %Long &i C15:0x216 %Long 0x0 PER.Set.SaveIndex C15:0x026 %Long &i C15:0x416 %Long 0x0 &i=&i+1. ) RETURN ) // detect the flash address mode by the internal flash register (0x0080_0003) // CR2V : should come 0x08(3B) or 0x88(4B) SPI_4B_ADDRMODE_ENABLE: ( SILENT.FLASH.SPI.CMD 1. 0x06 SILENT.FLASH.SPI.CMD 1. 0x71 0x80 0x00 0x03 0x88 ; write 0x88 to CR2V , switch 3B->4B address mode Data.Set VM:0x0--0xFF %Long 0x0 SILENT.FLASH.SPI.CMD 1. 0x65 0x00 0x80 0x00 0x03 0x0 /READ 0x4 vm:0x0 ;4Bytes Address mode ®Data=Data.Byte(vm:0x0) IF ®Data!=0x88 ( PRinT "We expect 0x08 latency(dummy) cycles but we got the dummy cycle 0x" %Hex ®Data ENDDO ) RETURN )