236 lines
6.4 KiB
Plaintext
236 lines
6.4 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: i.MX6Quad SD CARD Programming Script
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; @Description:
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; FLASH Type: SD CARD connected to the SDHC3
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;
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; S(D)RAM: 0x900000
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; SDHC CS3 base: 0x2198000
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;
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; @Author: jjeong
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; @Chip: IMX6QUAD
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; @Keywords:
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; @Props: Template
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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: imx6quad-emmcsd.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=0x2198000
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RESet
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SYStem.CPU iMX6Quad
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CORE.ASSIGN 1
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SYStem.Option ResBreak OFF
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IF VERSION.BUILD()<92177.
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(
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SYStem.Option WaitReset 1.3s
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)
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ELSE
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(
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SYStem.Option WaitIDCODE 1.5s
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)
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SYStem.Up
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Data.Set C15:0x1 %Long (Data.Long(C15:0x1)&~(0x1005)) ; disable cache and mmu
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Data.Set ASD:0x020d8000 %Long 0x01C00521 ;SRC Control Register
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GOSUB Config_SDHC3
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//FLASH READ ID TEST
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GOSUB READ_ID_TEST
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//S(D)RAM TEST for algorithm file
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;GOSUB SDRAM_INIT
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Data.Test 0x900000++0x3FFF /Prime ;s(d)ram test
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IF FOUND()
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(
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PRINT "s(d)ram is NOT initialized around 0x" ADDRESS.OFFSET(TRACK.ADDRESS())
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ENDDO
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)
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programFlash:
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FLASHFILE.RESet
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;FLASHFILE.CONFIG <eMMC 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 0x900000++0x1fff EAHB:0x904000++0x1fff ~~/demo/arm/flash/byte/emmcsd_imx6.bin /KEEP /DUALPORT
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Data.Set &MMC_BASE+0x2C %LE %Long 0x008E10F8 ; 400KHz clk
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FLASHFILE.GETID
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Data.Set &MMC_BASE+0x2C %LE %Long 0x008E0204 ; 25Mhz clk
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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 NAND
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;FLASHFILE.ERASE 0x0--0xFFFFF ; Erase NAND
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;FLASHFILE.LOAD * 0x0 ; Write NAND
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ENDDO
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Config_SDHC3:
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; --------------------------------------------------------------------------------
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; Disable WDOG
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; --------------------------------------------------------------------------------
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Data.Set 0x020bc000 %Word 0x30
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; --------------------------------------------------------------------------------
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; Enable all clocks (they are disabled by ROM code)
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; --------------------------------------------------------------------------------
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Data.Set 0x020c4068 %Long 0xffffffff
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Data.Set 0x020c406c %Long 0xffffffff
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Data.Set 0x020c4070 %Long 0xffffffff
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Data.Set 0x020c4074 %Long 0xffffffff
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Data.Set 0x020c4078 %Long 0xffffffff
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Data.Set 0x020c407c %Long 0xffffffff
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Data.Set 0x020c4080 %Long 0xffffffff
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Data.Set 0x020c4084 %Long 0xffffffff
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; --------------------------------------------------------------------------------
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; IO Mux for SDHC3
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; --------------------------------------------------------------------------------
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Data.Set 0x020E02BC %LE %Long 0x0
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Data.Set 0x020E06A4 %LE %Long 0x0001B0B0
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Data.Set 0x020E02B8 %LE %Long 0x0
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Data.Set 0x020E06A0 %LE %Long 0x0001B0B0
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Data.Set 0x020E02C0 %LE %Long 0x0
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Data.Set 0x020E06A8 %LE %Long 0x0001B0B0
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Data.Set 0x020E02C4 %LE %Long 0x0
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Data.Set 0x020E06AC %LE %Long 0x0001B0B0
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Data.Set 0x020E02C8 %LE %Long 0x0
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Data.Set 0x020E06B0 %LE %Long 0x0001B0B0
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Data.Set 0x020E02CC %LE %Long 0x0
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Data.Set 0x020E06B4 %LE %Long 0x0001B0B0
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Data.Set 0x020E02B4 %LE %Long 0x0
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Data.Set 0x020E069C %LE %Long 0x0001B0B0
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Data.Set 0x020E02B0 %LE %Long 0x0
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Data.Set 0x020E0698 %LE %Long 0x0001B0B0
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Data.Set 0x020E02AC %LE %Long 0x0
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Data.Set 0x020E0694 %LE %Long 0x0001B0B0
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Data.Set 0x020E02A8 %LE %Long 0x0
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Data.Set 0x020E0690 %LE %Long 0x0001B0B0
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Data.Set 0x020E02D0 %LE %Long 0x0
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Data.Set 0x020E06B8 %LE %Long 0x0001B0B0
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Data.Set 0x020E0250 %LE %Long 0x2
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Data.Set 0x020E0620 %LE %Long 0x0001B0B0
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; --------------------------------------------------------------------------------
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; Config SDHC
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; --------------------------------------------------------------------------------
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Data.Set &MMC_BASE+0x04 %LE %Long 0x00010200 ; blk size,cnt
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Data.Set &MMC_BASE+0x28 %LE %Long 0x08800020 ; bus width, endian
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Data.Set &MMC_BASE+0x2C %LE %Long 0x008E0F88 ; clk
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Data.Set &MMC_BASE+0x34 %LE %Long 0x007F0037 ; BRR,BWR, TCI, CCI interrupt enable
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Data.Set &MMC_BASE+0x38 %LE %Long 0x007F0037 ; BRR,BWR, TCI, CCI interrupt enable
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Data.Set &MMC_BASE+0x44 %LE %Long 0x00100010 ;read/write fifo threshold level 64bytes
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RETURN
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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 10.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 10.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 10.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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SDRAM_INIT:
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RETURN
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