187 lines
4.8 KiB
Plaintext
187 lines
4.8 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: PXA920 eMMC FLASH Programming Script
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; @Description:
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; eMMC FLASH(SAMSUNG, 4GB eMMC) is connected MMC3
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;
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; S(D)RAM: 0xD100A000
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; MMC3 Register : 0xD4281000
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;
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; @Author: jjeong
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; @Chip: PXA920
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; @Keywords: SAMSUNG eMMC
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; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
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; --------------------------------------------------------------------------------
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; $Id: pxa920-emmc.cmm 10516 2022-02-02 11:39:30Z bschroefel $
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LOCAL &arg1
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ENTRY &arg1
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&arg1=STRing.UPpeR("&arg1") // for example "PREPAREONLY"
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&MMC_BASE=0xD4281000
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AREA.RESet
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AREA.view
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SYStem.RESet
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SYStem.CPU PXA920
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SYStem.MemAccess Denied
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SYStem.JtagClock 10000000.
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SYStem.Option IMASKASM OFF
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SYStem.Option IMASKHLL OFF
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SYStem.Option TURBO OFF
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SYStem.Option RESBREAK OFF
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SYStem.Option INTDIS OFF
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SYStem.Option DBGACK ON
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SYStem.Option SHOWERROR ON
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SYStem.Option ENRESET ON
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SYStem.Option WAITRESET 100.ms
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SYStem.Option SOFTWORD OFF
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SYStem.Option SOFTLONG OFF
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SYStem.Option TRST ON
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SYStem.Option DACR ON
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SYStem.Option AMBA OFF
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SYStem.Option NODATA OFF
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SYStem.Option EXEC OFF
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SYStem.Option DISMODE AUTO
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SYStem.Option PC 0x0
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SYStem.Mode Up
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PER.Set.simple C15:0x1 %Long 0x58878 ; disable mmu & cache
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GOSUB MMC_Enable
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GOSUB READ_ID_TEST
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Break.RESet
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FLASHFILE.RESet
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;FLASHFILE.CONFIG <eMMC controller> <0x0> <0x0>
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FLASHFILE.CONFIG 0xD4281000 0x0 0x0
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;FLASHFILE.TARGET <<code range>> <<data range>> <<algorithm file>>
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FLASHFILE.TARGET 0xD100A000++0x1fff 0xD100C000++0x1fff ~~/demo/arm/flash/byte/emmc.bin /KEEP
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Data.Set A:0xD428102C %LE %Long 0x0E8007 ; pls, make a slower clk around 400Khz for the initialization of MMC
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FLASHFILE.GETID
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Data.Set A:0xD428102C %LE %Long 0x0E0207 ; pls, make a higher clk around 25Mhz
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//Get EXTended CSD registers
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FLASHFILE.GETEXTCSD
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//End of the test prepareonly
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IF "&arg1"=="PREPAREONLY"
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ENDDO
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;FLASHFILE.DUMP 0x0 ; Read eMMC
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;FLASHFILE.ERASE 0x0--0xFFFFF ; Erase eMMC
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;FLASHFILE.LOAD * 0x0 ; Write eMMC
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ENDDO
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MMC_Enable:
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PER.Set.simple C15:0x3 %Long 0xFFFFFFFF
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Data.Set A:0xD4282110 %LE %Long 0x3
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Data.Set A:0xD4282114 %LE %Long 0x3
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Data.Set A:0xD4015034 %LE %Long 0x33
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Data.Set A:0xD4014084 %LE %Long Data.Long(A:0xD4014084)|0x1
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Data.Set A:0xD4282868 %LE %Long 0x9
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Data.Set A:0xD401503C %LE %Long 0x7
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WAIT 10.ms
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Data.Set A:0xD401503C %LE %Long 0x3
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Data.Set A:0xD4015024 %LE %Long Data.Long(A:0xD4015024)|0x812
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// PMUM_ACGR
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Data.Set A:0xD4015024 %LE %Long Data.Long(A:0xD4015024)|0x8816
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//PMUA_NF_CLK_RES_CTRL
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Data.Set A:0xD4282860 %LE %Long Data.Long(A:0xD4282860)|0x98
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//configure SDHC0
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Data.Set A:0xd4282854 %LE %Long Data.Long(A:0xd4282854)&0xFFFFFFFC
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Data.Set A:0xd4282854 %LE %Long 0x9
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//configure SDHC2 for MMC3
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Data.Set A:0xD42828E0 %LE %Long Data.Long(A:0xD42828E0)&0xFFFFFFFC
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Data.Set A:0xD42828E0 %LE %Long 0x1B
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//configure MMC3 MFPR pins
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Data.Set A:0xD401E05C %LE %Long 0x10c1
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Data.Set A:0xD401E064 %LE %Long 0x10c1
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Data.Set A:0xD401E040 %LE %Long 0x10c1
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Data.Set A:0xD401E03C %LE %Long 0x10c1
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Data.Set A:0xD401E038 %LE %Long 0x10c1
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Data.Set A:0xD401E034 %LE %Long 0x10c1
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Data.Set A:0xD401E030 %LE %Long 0x10c1
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Data.Set A:0xD401E02C %LE %Long 0x10c1
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Data.Set A:0xD401E028 %LE %Long 0x10c1
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Data.Set A:0xD401E024 %LE %Long 0x10c1
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//configure SD Host controller
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Data.Set A:0xD4281028 %LE %Long 0x0F00 ; SD BUS POWER ON
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Data.Set A:0xD428102C %LE %Long 0x0E8007 ; 400Khz clk
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Data.Set A:0xD42810E0 %LE %Long 0x405 ; fifo reg
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Data.Set A:0xD42810E8 %LE %Long 0x03fff
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RETURN
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READ_ID_TEST:
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//MMC interface, not SD(HC)
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//CMD0
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RePeaT 2.
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(
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Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
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Data.Set &MMC_BASE+0x8 %Long 0x0 ;arg
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Data.Set &MMC_BASE+0xc %Long 0x0 ;cmd
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WAIT 10.ms
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)
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//CMD1
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RePeaT 10.
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(
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Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
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Data.Set &MMC_BASE+0x8 %Long 0x40FF8000 ;arg
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Data.Set &MMC_BASE+0xc %Long 0x01020000 ;cmd1
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WAIT 100.ms
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&resp=Data.Long(A:(&MMC_BASE+0x10))
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//print "CMD1 resp: 0x" &resp
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IF (&resp&0x80000000)==0x80000000
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(
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GOTO jump_cmd2
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)
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)
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PRINT "CMD1 fail"
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END
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jump_cmd2:
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//CMD2
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Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
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Data.Set &MMC_BASE+0x8 %Long 0x0 ;arg
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Data.Set &MMC_BASE+0xc %Long 0x02010000 ;cmd2
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WAIT 10.ms
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//CMD3
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Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
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Data.Set &MMC_BASE+0x8 %Long 0x00010000 ; arg, MMC RCA is (0x0001<<16.)
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Data.Set &MMC_BASE+0xc %Long 0x03020000 ;cmd3
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WAIT 10.ms
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//CMD10
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Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
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Data.Set &MMC_BASE+0x8 %Long 0x00010000 ; arg, MMC RCA is (0x0001<<16.)
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Data.Set &MMC_BASE+0xc %Long 0x0A010000 ;cmd10
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WAIT 10.ms
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//Response2
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PRINT "CID register"
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PRINT "[127:104] 0x" Data.Long(A:(&MMC_BASE+0x1c))
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PRINT "[103:72] 0x" Data.Long(A:(&MMC_BASE+0x18))
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PRINT "[71:40] 0x" Data.Long(A:(&MMC_BASE+0x14))
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PRINT "[39:8] 0x" Data.Long(A:(&MMC_BASE+0x10))
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RETURN
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