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Gen4_R-Car_Trace32/2_Trunk/demo/arm/flash/cyclone5-sdmmc.cmm
2025-10-14 09:52:32 +09:00

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; @Title: Cyclone5 SD/MMC FLASH Program script
;
; @Description:
; SD(HC)CARD is connected to
; SRAM: 0xFFFF0000
; SD/MMC(controller) Regisetr Base: 0xFF704000
;
; @Author: jjeong
; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
; @Chip: cyclone*
; @Keywords: altera Flash MMC SD
; $Id: cyclone5-sdmmc.cmm 12049 2023-04-20 12:32:16Z bschroefel $
WinCLEAR
AREA.view
&MMC_BASE=0xFF704000
LOCAL &arg1
ENTRY &arg1
&arg1=STRing.UPpeR("&arg1") // for example "PREPAREONLY"
RESet
SYStem.CPU CYCLONEVSOC
CORE.ASSIGN 1
SYStem.Up
Data.Set C15:0x1 %Long (Data.Long(C15:0x1)&~(0x1005)) ; disable interrupt and mmu
; disable Watchdog
Data.Set A:0xFFD05014 %LE %Long (0x3<<6.)
Data.Set A:0xFFD040AC %Long 0x15 ;clk source from CLKMGR
Data.Set A:0xFFD040A0 %Long 0xFFF ;clk enable from CLKMGR
Data.Set ZSD:&MMC_BASE+0x014 %LE %Long 0xFFFFFFFF
Data.Set ZSD:&MMC_BASE+0x024 %LE %Long 0xFFFF
Data.Set ZSD:&MMC_BASE+0x01C %LE %Long 0x200
Data.Set ZSD:&MMC_BASE+0x020 %LE %Long 0x200
Data.Set ZSD:&MMC_BASE+0x008 %LE %Long 0x10
Data.Set ZSD:&MMC_BASE+0x010 %LE %Long 0x1
Data.Set ZSD:&MMC_BASE+0x000 %LE %Long 0x17 ;reset all then enable
//Data.Set &MMC_BASE+0x2c %Long 0x80202000 ;cmd
WAIT 10.ms
//clk enableing
Data.Set &MMC_BASE+008 %Long 0x10 ;clk divider (pls make clk < 400khz)
Data.Set &MMC_BASE+02C %Long 0x80200000 ;update clk
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
GOSUB READ_ID_TEST
FLASHFILE.RESet
//FLASHFILE.CONFIG <sdmmc base>
FLASHFILE.CONFIG 0xFF704000
FLASHFILE.TARGET A:0xFFFF0000++0x1FFF EAHB:0xFFFF2000++0x1FFF ~~/demo/arm/flash/byte/emmcsd_dw.bin /KEEP /dualport
FLASHFILE.GETID
PER.Set.simple AD:&MMC_BASE+008 %Long 0x1 ;clk divider, make a full clock speed of the sdmmc
PER.Set.simple AD:&MMC_BASE+02C %Long 0x80200000 ;update clk
//End of the test prepareonly
IF "&arg1"=="PREPAREONLY"
ENDDO
FLASHFILE.DUMP 0x0 ; Read
;FLASHFILE.ERASE 0x0--0xFFFFF ; Erase
;FLASHFILE.LOAD * 0x0 ; Write
ENDDO
READ_ID_TEST:
//SD(HC) interface, not MMC
//CMD0, reset
RePeaT 4.
(
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x0 ;arg
Data.Set &MMC_BASE+0x2c %Long 0xA000A000 ;cmd
WAIT 10.ms
)
//CMD8, is madatory to intialize High Capacity SD Memory Card
RePeaT 2.
(
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x1AA ;arg
Data.Set &MMC_BASE+0x2c %Long 0xA0002148 ;cmd
WAIT 10.ms
&status=Data.Long(A:(&MMC_BASE+0x44))
IF (&status&0x4)==0x4
(
PRINT "passed CMD8(voltage check)"
GOTO jump_cmd55
)
ELSE
(
//CMD0
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x0 ;arg
Data.Set &MMC_BASE+0x2c %Long 0x0 ;cmd
WAIT 10.ms
)
)
jump_cmd55:
//CMD55
RePeaT 10.
(
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x0 ;arg
Data.Set &MMC_BASE+0x2c %Long 0xA0002177 ;cmd55, resp1
WAIT 100.ms
//ACMD41
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x40FF8000 ;arg
Data.Set &MMC_BASE+0x2c %Long 0xA0002069; cmd41, resp1
WAIT 100.ms
&resp=Data.Long(A:(&MMC_BASE+0x30))
//print "CMD1 resp: 0x" &resp
IF (&resp&0x80000000)==0x80000000
(
GOTO jump_cmd2
)
)
PRINT "CMD1 fail"
END
jump_cmd2:
//CMD2
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x0 ;arg
Data.Set &MMC_BASE+0x2c %Long 0xA00021C2 ;cmd2
WAIT 10.ms
//CMD3
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long 0x00070000 ; arg, MMC RCA is (0x0001<<16.)
Data.Set &MMC_BASE+0x2c %Long 0x20002143 ;cmd3
WAIT 10.ms
&cardaddress=Data.Long(A:(&MMC_BASE+0x30))
&cardaddress=&cardaddress&0xFFFF0000
//CMD10
Data.Set &MMC_BASE+0x44 %LE %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x28 %Long &cardaddress ; arg, card address
Data.Set &MMC_BASE+0x2c %Long 0xA00021CA ;cmd10
WAIT 10.ms
//Response2
PRINT "CID register"
PRINT "[127:104] 0x" Data.Long(A:(&MMC_BASE+0x3c))
PRINT "[103:72] 0x" Data.Long(A:(&MMC_BASE+0x38))
PRINT "[71:40] 0x" Data.Long(A:(&MMC_BASE+0x34))
PRINT "[39:8] 0x" Data.Long(A:(&MMC_BASE+0x30))
RETURN