167 lines
4.2 KiB
Plaintext
167 lines
4.2 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: Freescale QorIQ LS1043A Reference Design Board SD Card Programming Script
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; @Description:
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; SD Card is connected to eSDHC
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;
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; The RCW_SRC field (SDHC_BASE, 371 bits) should be 0y0 ,
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; The RCW_SRC field (SDHC_EXT, 363-365 bits) also be 0y000
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;
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; Internal SRAM : 0x1000_1000
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; eSDHC base : 0x156_0000
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;
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; @Author: jjeong
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; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
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; @Chip: LS1043A
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; @Keywords: Flash SDHC
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; --------------------------------------------------------------------------------
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; $Id: ls1043-sd.cmm 10516 2022-02-02 11:39:30Z bschroefel $
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&MMC_BASE=0x1560000
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SYStem.Down
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SYStem.CPU LS1043A
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SYStem.Option HRCWOVerRide OFF
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SYStem.MemAccess DAP
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SYStem.Option TRST OFF
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SYStem.Option EnReset ON
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CORE.ASSIGN 1.
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ETM.OFF
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SYStem.Up
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Register.Set M 0x5 ;EL1h
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MAP.BE &MMC_BASE++0xFFFF
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; --------------------------------------------------------------------------------
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; Config SDHC
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; --------------------------------------------------------------------------------
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Data.Set A:&MMC_BASE+0x04 %BE %Long 0x00010200 ; blk size,cnt
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Data.Set A:&MMC_BASE+0x28 %BE %Long 0x08800020 ; bus width, endian
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Data.Set A:&MMC_BASE+0x2C %BE %Long 0x008E8088 ; 400KHz clk
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Data.Set A:&MMC_BASE+0x34 %BE %Long 0x00000033 ; BRR,BWR, TCI, CCI interrupt enable
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Data.Set A:&MMC_BASE+0x44 %BE %Long 0x00100010 ;read/write fifo threshold level 64bytes
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GOSUB READ_ID_TEST
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LOCAL &pdd
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&pdd=OS.PresentDemoDirectory()
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Break.RESet
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FLASHFILE.RESet
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;FLASHFILE.CONFIG <eSDHC controller> <0x0> <0x0>
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FLASHFILE.CONFIG &MMC_BASE 0x0 0x0
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; FLASHFILE.TARGET <code_range> <data_range> <algorithm file>
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FLASHFILE.TARGET 0x10001000++0x2FFF 0x10005000++0x3FFF &pdd/flash/byte/emmcsd_ls10xx.bin /KEEP /STACKSIZE 0x200
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Data.Set A:&MMC_BASE+0x2C %BE %Long 0x008E8088 ; 400KHz clk
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FLASHFILE.GETID
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Data.Set A:0x1560000+0x2C %BE %Long 0x008E0228 ; increase mmc clk
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FLASHFILE.DUMP 0x0 ; Read Flash
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;FLASHFILE.ERASE 0x0--0xFFFFF ; Erase Flash
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;FLASHFILE.LOAD * 0x0 ; Write Flash
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ENDDO
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READ_ID_TEST:
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//SD(HC) interface, not MMC
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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 100.ms
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)
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//CMD8, is madatory to intialize High Capacity SD Memory Card
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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 0x1AA ;arg
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Data.Set &MMC_BASE+0xc %Long 0x08020000 ;cmd
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WAIT 100.ms
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&status=Data.Long(A:&MMC_BASE+0x30)
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IF (&status&0x30000)==0x0
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(
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PRINT "passed CMD8(voltage check)"
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GOTO jump_cmd55
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)
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ELSE
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(
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//CMD0
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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 100.ms
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)
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)
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jump_cmd55:
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//CMD55
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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 0x0 ;arg
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Data.Set &MMC_BASE+0xc %Long 0x37020000 ;cmd55, resp1
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WAIT 100.ms
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//ACMD41
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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 0x29020000 ;cmd41, resp1
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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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&cardaddress=Data.Long(A:(&MMC_BASE+0x10))
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&cardaddress=&cardaddress&0xFFFF0000
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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 &cardaddress ; arg, card address
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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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