Initial revision
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+# Porting U-Boot onto RPXlite board
+# Written by Yoo. Jonghoon
+# E-Mail : yooth@ipone.co.kr
+# IP ONE Inc.
+
+# Since 2001. 1. 29
+
+# Shell : bash
+# Cross-compile tools : Montavista Hardhat
+# Debugging tools : Windriver VisionProbe (PowerPC BDM)
+# ppcboot ver. : ppcboot-0.8.1
+
+###############################################################
+# 1. Hardware setting
+###############################################################
+
+1.1. Board, BDM settings
+ Install board, BDM, connect each other
+
+1.2. Save Register value
+ Boot with board-on monitor program and save the
+ register values with BDM.
+
+1.3. Configure flash programmer
+ Check flash memory area in the memory map.
+ 0xFFC00000 - 0xFFFFFFFF
+
+ Boot monitor program is at
+ 0xFFF00000
+
+ You can program on-board flash memory with VisionClick
+ flash programmer. Set the target flash device as:
+
+ 29DL800B
+
+ (?) The flash memory device in the board *is* 29LV800B,
+ but I cannot program it with '29LV800B' option.
+ (in VisionClick flash programming tools)
+ I don't know why...
+
+1.4. Save boot monitor program *IMPORTANT*
+ Upload boot monitor program from board to file.
+ boot monitor program starts at 0xFFF00000
+
+1.5. Test flash memory programming
+ Try to erase boot program in the flash memory,
+ and re-write them.
+ *WARNING* YOU MUST SAVE BOOT PROGRAM TO FILE
+ BEFORE ERASING FLASH
+
+###############################################################
+# 2. U-Boot setting
+###############################################################
+
+2.1. Download U-Boot tarball at
+ ftp://ftp.denx.de
+ (The latest version is ppcboot-0.8.1.tar.bz2)
+
+ To extract the archive use the following syntax :
+ > bzip2 -cd ppcboot-0.8.1.tar.bz2 | tar xf -
+
+2.2. Add the following lines in '.profile'
+ export PATH=$PATH:/opt/hardhat/devkit/ppc/8xx/bin
+
+2.3. Make board specific config, for example:
+ > cd ppcboot-0.8.1
+ > make TQM860L_config
+
+ Now we can build ppcboot bin files.
+ After make all, you must see these files in your
+ ppcboot root directory.
+
+ ppcboot
+ ppcboot.bin
+ ppcboot.srec
+ ppcboot.map
+
+2.4. Make your own board directory into the
+ ppcboot-0.8.1/board
+ and make your board-specific files here.
+
+ For exmanple, tqm8xx files are composed of
+ .depend : Nothing
+ Makefile : To make config file
+ config.mk : Sets base address
+ flash.c : Flash memory control files
+ ppcboot.lds : linker(ld) script? (I don't know this yet)
+ tqm8xx.c : DRAM control and board check routines
+
+ And, add your board config lines in the
+ ppcboot-0.8.1/Makefile
+
+ Finally, add config_(your board).h file in the
+ ppcboot-0.8.1/include/
+
+ I've made board/rpxlite directory, and just copied
+ tqm8xx settings for now.
+
+ Rebuild ppcboot for rpxlite board:
+ > make rpxlite_config
+ > make
+
+###############################################################
+# 3. U-Boot porting
+###############################################################
+
+3.1. My RPXlite files are based on tqm8xx board files.
+ > cd board
+ > cp -r tqm8xx RPXLITE
+ > cd RPXLITE
+ > mv tqm8xx.c RPXLITE.c
+ > cd ../../include
+ > cp config_tqm8xx.h config_RPXLITE.h
+
+3.2. Modified files are:
+ board/RPXLITE/RPXLITE.c /* DRAM-related routines */
+ board/RPXLITE/flash.c /* flash-related routines */
+ board/RPXLITE/config.mk /* set text base address */
+ cpu/mpc8xx/serial.c /* board specific register setting */
+ include/config_RPXLITE.h /* board specific registers */
+
+ See 'reg_config.txt' for register values in detail.
+
+###############################################################
+# 4. Running Linux
+###############################################################
+
+
+
+
+
+
+
+
+
+###############################################################
+# Misc Information
+###############################################################
+
+mem_config.txt:
+===============
+
+Flash memory device : AM29LV800BB (1Mx8Bit) x 4 device
+manufacturer id : 01 (AMD)
+device id : 5B (AM29LV800B)
+size : 4Mbyte
+sector # : 19
+
+Sector information :
+
+number start addr. size
+00 FFC0_0000 64
+01 FFC1_0000 32
+02 FFC1_8000 32
+03 FFC2_0000 128
+04 FFC4_0000 256
+05 FFC8_0000 256
+06 FFCC_0000 256
+07 FFD0_0000 256
+08 FFD4_0000 256
+09 FFD8_0000 256
+10 FFDC_0000 256
+11 FFE0_0000 256
+12 FFE4_0000 256
+13 FFE8_0000 256
+14 FFEC_0000 256
+15 FFF0_0000 256
+16 FFF4_0000 256
+17 FFF8_0000 256
+18 FFFC_0000 256
+
+
+reg_config.txt:
+===============
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* SIU (System Interface Unit) */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+
+
+/*### IMMR */
+/*### Internal Memory Map Register */
+/*### Chap. 11.4.1 */
+
+ ISB = 0xFA20 /* Set the Immap base = 0xFA20 0000 */
+ PARTNUM = 0x21
+ MASKNUM = 0x00
+
+ => 0xFA20 2100
+
+---------------------------------------------------------------------
+
+/*### SIUMCR */
+/*### SIU Module Configuration Register */
+/*### Chap. 11.4.2 */
+/*### Offset : 0x0000 0000 */
+
+ EARB = 0
+ EARP = 0
+ DSHW = 0
+ DBGC = 0
+ DBPC = 0
+ FRC = 0
+ DLK = 0
+ OPAR = 0
+ PNCS = 0
+ DPC = 0
+ MPRE = 0
+ MLRC = 10 /* ~KR/~RETRY/~IRQ4/SPKROUT functions as ~KR/~TRTRY */
+ AEME = 0
+ SEME = 0
+ BSC = 0
+ GB5E = 0
+ B2DD = 0
+ B3DD = 0
+
+ => 0x0000 0800
+
+---------------------------------------------------------------------
+
+/*### SYPCR */
+/*### System Protection Control Register */
+/*### Chap. 11.4.3 */
+/*### Offset : 0x0000 0004 */
+
+ SWTC = 0xFFFF /* SW watchdog timer count = 0xFFFF */
+ BMT = 0x06 /* BUS monitoring timing */
+ BME = 1 /* BUS monitor enable */
+ SWF = 1
+ SWE = 0 /* SW watchdog disable */
+ SWRI = 0
+ SWP = 1
+
+ => 0xFFFF 0689
+
+---------------------------------------------------------------------
+
+/*### TESR */
+/*### Transfer Error Status Register */
+/*### Chap. 11.4.4 */
+/*### Offset : 0x0000 0020 */
+
+ IEXT = 0
+ ITMT = 0
+ IPB = 0000
+ DEXT = 0
+ DTMT = 0
+ DPB = 0000
+
+ => 0x0000 0000
+
+---------------------------------------------------------------------
+
+/*### SIPEND */
+/*### SIU Interrupt Pending Register */
+/*### Chap. 11.5.4.1 */
+/*### Offset : 0x0000 0010 */
+
+ IRQ0~IRQ7 = 0
+ LVL0~LVL7 = 0
+
+ => 0x0000 0000
+
+---------------------------------------------------------------------
+
+/*### SIMASK */
+/*### SIU Interrupt Mask Register */
+/*### Chap. 11.5.4.2 */
+/*### Offset : 0x0000 0014 */
+
+ IRM0~IRM7 = 0 /* Mask all interrupts */
+ LVL0~LVL7 = 0
+
+ => 0x0000 0000
+
+---------------------------------------------------------------------
+
+/*### SIEL */
+/*### SIU Interrupt Edge/Level Register */
+/*### Chap. 11.5.4.3 */
+/*### Offset : 0x0000 0018 */
+
+ ED0~ED7 = 0 /* Low level triggered */
+ WMn0~WMn7 = 0 /* Not allowed to exit from low-power mode */
+
+ => 0x0000 0000
+
+---------------------------------------------------------------------
+
+/*### SIVEC */
+/*### SIU Interrupt Vector Register */
+/*### Chap. 11.5.4.4 */
+/*### Offset : 0x0000 001C */
+
+ INTC = 3C /* The lowest interrupt is pending..(?) */
+
+ => 0x3C00 0000
+
+---------------------------------------------------------------------
+
+/*### SWSR */
+/*### Software Service Register */
+/*### Chap. 11.7.1 */
+/*### Offset : 0x0000 001E */
+
+ SEQ = 0
+
+ => 0x0000
+
+---------------------------------------------------------------------
+
+/*### SDCR */
+/*### SDMA Configuration Register */
+/*### Chap. 20.2.1 */
+/*### Offset : 0x0000 0032 */
+
+ FRZ = 0
+ RAID = 01 /* Priority level 5 (BR5) (normal operation) */
+
+ => 0x0000 0001
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* UPMA (User Programmable Machine A) */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+
+/*### Chap. 16.6.4.1 */
+/*### Offset = 0x0000 017c */
+
+ T0 = CFFF CC24 /* Single Read */
+ T1 = 0FFF CC04
+ T2 = 0CAF CC04
+ T3 = 03AF CC08
+ T4 = 3FBF CC27 /* last */
+ T5 = FFFF CC25
+ T6 = FFFF CC25
+ T7 = FFFF CC25
+ T8 = CFFF CC24 /* Burst Read */
+ T9 = 0FFF CC04
+ T10 = 0CAF CC84
+ T11 = 03AF CC88
+ T12 = 3FBF CC27 /* last */
+ T13 = FFFF CC25
+ T14 = FFFF CC25
+ T15 = FFFF CC25
+ T16 = FFFF CC25
+ T17 = FFFF CC25
+ T18 = FFFF CC25
+ T19 = FFFF CC25
+ T20 = FFFF CC25
+ T21 = FFFF CC25
+ T22 = FFFF CC25
+ T23 = FFFF CC25
+ T24 = CFFF CC24 /* Single Write */
+ T25 = 0FFF CC04
+ T26 = 0CFF CC04
+ T27 = 03FF CC00
+ T28 = 3FFF CC27 /* last */
+ T29 = FFFF CC25
+ T30 = FFFF CC25
+ T31 = FFFF CC25
+ T32 = CFFF CC24 /* Burst Write */
+ T33 = 0FFF CC04
+ T34 = 0CFF CC80
+ T35 = 03FF CC8C
+ T36 = 0CFF CC00
+ T37 = 33FF CC27 /* last */
+ T38 = FFFF CC25
+ T39 = FFFF CC25
+ T40 = FFFF CC25
+ T41 = FFFF CC25
+ T42 = FFFF CC25
+ T43 = FFFF CC25
+ T44 = FFFF CC25
+ T45 = FFFF CC25
+ T46 = FFFF CC25
+ T47 = FFFF CC25
+ T48 = C0FF CC24 /* Refresh */
+ T49 = 03FF CC24
+ T50 = 0FFF CC24
+ T51 = 0FFF CC24
+ T52 = 3FFF CC27 /* last */
+ T53 = FFFF CC25
+ T54 = FFFF CC25
+ T55 = FFFF CC25
+ T56 = FFFF CC25
+ T57 = FFFF CC25
+ T58 = FFFF CC25
+ T59 = FFFF CC25
+ T60 = FFFF CC25 /* Exception */
+ T61 = FFFF CC25
+ T62 = FFFF CC25
+ T63 = FFFF CC25
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* UPMB */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+---------------------------------------------------------------------
+
+/*### Chap. 16.6.4.1 */
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* MEMC */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+---------------------------------------------------------------------
+
+/*### BR0 & OR0 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR0(0x0000 0100) & OR0(0x0000 0104) */
+/*### Flash memory */
+
+ BA = 1111 1110 0000 0000 0 /* Base addr = 0xFE00 0000 */
+ AT = 000
+ PS = 00
+ PARE = 0
+ WP = 0
+ MS = 0 /* GPCM */
+ V = 1 /* Valid */
+
+ => 0xFE00 0001
+
+ AM = 1111 1110 0000 0000 0 /* 32MBytes */
+ ATM = 000
+ CSNT/SAM = 0
+ ACS/G5LA,G5LS = 00
+ BIH = 1 /* Burst inhibited */
+ SCY = 0100 /* cycle length = 4 */
+ SETA = 0
+ TRLX = 0
+ EHTR = 0
+
+ => 0xFE00 0140
+
+/*### BR1 & OR1 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR1(0x0000 0108) & OR1(0x0000 010C) */
+/*### SDRAM */
+
+ BA = 0000 0000 0000 0000 0 /* Base addr = 0x0000 0000 */
+ AT = 000
+ PS = 00
+ PARE = 0
+ WP = 0
+ MS = 1 /* UPMA */
+ V = 1 /* Valid */
+
+ => 0x0000 0081
+
+ AM = 1111 1110 0000 0000 /* 32MBytes */
+ ATM = 000
+ CSNT/SAM = 1
+ ACS/G5LA,G5LS = 11
+ BIH = 0
+ SCY = 0000 /* cycle length = 0 */
+ SETA = 0
+ TRLX = 0
+ EHTR = 0
+
+ => 0xFE00 0E00
+
+/*### BR2 & OR2 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR2(0x0000 0110) & OR2(0x0000 0114) */
+
+ BR2 & OR2 = 0x0000 0000 /* Not used */
+
+/*### BR3 & OR3 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR3(0x0000 0118) & OR3(0x0000 011C) */
+/*### BCSR */
+
+ BA = 1111 1010 0100 0000 0 /* Base addr = 0xFA40 0000 */
+ AT = 000
+ PS = 00
+ PARE = 0
+ WP = 0
+ MS = 0 /* GPCM */
+ V = 1 /* Valid */
+
+ => 0xFA40 0001
+
+ AM = 1111 1111 0111 1111 1 /* (?) */
+ ATM = 000
+ CSNT/SAM = 1
+ ACS/G5LA,G5LS = 00
+ BIH = 1 /* Burst inhibited */
+ SCY = 0001 /* cycle length = 1 */
+ SETA = 0
+ TRLX = 0
+
+ => 0xFF7F 8910
+
+/*### BR4 & OR4 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR4(0x0000 0120) & OR4(0x0000 0124) */
+/*### NVRAM & SRAM */
+
+ BA = 1111 1010 0000 0000 0 /* Base addr = 0xFA00 0000 */
+ AT = 000
+ PS = 01
+ PARE = 0
+ WP = 0
+ MS = 0 /* GPCM */
+ V = 1 /* Valid */
+
+ => 0xFA00 0401
+
+ AM = 1111 1111 1111 1000 0 /* 8MByte */
+ ATM = 000
+ CSNT/SAM = 1
+ ACS/G5LA,G5LS = 00
+ BIH = 1 /* Burst inhibited */
+ SCY = 0111 /* cycle length = 7 */
+ SETA = 0
+ TRLX = 0
+
+ => 0xFFF8 0970
+
+/*### BR5 & OR5 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR2(0x0000 0128) & OR2(0x0000 012C) */
+
+ BR5 & OR5 = 0x0000 0000 /* Not used */
+
+/*### BR6 & OR6 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR2(0x0000 0130) & OR2(0x0000 0134) */
+
+ BR6 & OR6 = 0x0000 0000 /* Not used */
+
+/*### BR7 & OR7 */
+/*### Base Registers & Option Registers */
+/*### Chap. 16.4.1 & 16.4.2 */
+/*### Offset : BR7(0x0000 0138) & OR7(0x0000 013C) */
+
+ BR7 & OR7 = 0x0000 0000 /* Not used */
+
+/*### MAR */
+/*### Memory Address Register */
+/*### Chap. 16.4.7 */
+/*### Offset : 0x0000 0164 */
+
+ MA = External memory address
+
+/*### MCR */
+/*### Memory Command Register */
+/*### Chap. 16.4.5 */
+/*### Offset : 0x0000 0168 */
+
+ OP = xx /* Command op code */
+ UM = 1 /* Select UPMA */
+ MB = 001 /* Select CS1 */
+ MCLF = xxxx /* Loop times */
+ MAD = xx xxxx /* Memory array index */
+
+/*### MAMR */
+/*### Machine A Mode Register */
+/*### Chap. 16.4.4 */
+/*### Offset : 0x0000 0170 */
+
+ PTA = 0101 1000
+ PTAE = 1 /* Periodic timer A enabled */
+ AMA = 010
+ DSA = 00
+ G0CLA = 000
+ GPLA4DIS = 1
+ RLFA = 0100
+ WLFA = 0011
+ TLFA = 0000
+
+ => 0x58A0 1430
+
+/*### MBMR */
+/*### Machine B Mode Register */
+/*### Chap. 16.4.4 */
+/*### Offset : 0x0000 0174 */
+
+ PTA = 0100 1110
+ PTAE = 0 /* Periodic timer B disabled */
+ AMA = 000
+ DSA = 00
+ G0CLA = 000
+ GPLA4DIS = 1
+ RLFA = 0000
+ WLFA = 0000
+ TLFA = 0000
+
+ => 0x4E00 1000
+
+/*### MSTAT */
+/*### Memory Status Register */
+/*### Chap. 16.4.3 */
+/*### Offset : 0x0000 0178 */
+
+ PER0~PER7 = Parity error
+ WPER = Write protection error
+
+ => 0x0000
+
+/*### MPTPR */
+/*### Memory Periodic Timer Prescaler Register */
+/*### Chap. 16.4.8 */
+/*### Offset : 0x0000 017A */
+
+ PTP = 0000 1000 /* Divide by 8 */
+
+ => 0x0800
+
+/*### MDR */
+/*### Memory Data Register */
+/*### Chap. 16.4.6 */
+/*### Offset : 0x0000 017C */
+
+ MD = Memory data contains the RAM array word
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* TIMERS */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+---------------------------------------------------------------------
+
+/*### TBREFx */
+/*### Timebase Reference Registers */
+/*### Chap. 11.9.2 */
+/*### Offset : TBREFF0(0x0000 0204)/TBREFF1(0x0000 0208) */
+/*### (Locked) */
+
+ TBREFF0 = 0xFFFF FFFF
+ TBREFF1 = 0xFFFF FFFF
+
+---------------------------------------------------------------------
+
+/*### TBSCR */
+/*### Timebase Status and Control Registers */
+/*### Chap. 11.9.3 */
+/*### Offset : 0x0000 0200 */
+/*### (Locked) */
+
+ TBIRQ = 00000000
+ REF0 = 0
+ REF1 = 0
+ REFE0 = 0 /* Reference interrupt disable */
+ REFE1 = 0
+ TBF = 1
+ TBE = 1 /* Timebase enable */
+
+ => 0x0003
+
+---------------------------------------------------------------------
+
+/*### RTCSC */
+/*### Real-Time Clock Status and Control Registers */
+/*### Chap. 11.10.1 */
+/*### Offset : 0x0000 0220 */
+/*### (Locked) */
+
+ RTCIRQ = 00000000
+ SEC = 1
+ ALR = 0
+ 38K = 0 /* PITRTCLK is driven by 32.768KHz */
+ SIE = 0
+ ALE = 0
+ RTF = 0
+ RTE = 1 /* Real-Time clock enabled */
+
+ => 0x0081
+
+---------------------------------------------------------------------
+
+/*### RTC */
+/*### Real-Time Clock Registers */
+/*### Chap. 11.10.2 */
+/*### Offset : 0x0000 0224 */
+/*### (Locked) */
+
+ RTC = Real time clock measured in second
+
+---------------------------------------------------------------------
+
+/*### RTCAL */
+/*### Real-Time Clock Alarm Registers */
+/*### Chap. 11.10.3 */
+/*### Offset : 0x0000 022C */
+/*### (Locked) */
+
+ ALARM = 0xFFFF FFFF
+
+---------------------------------------------------------------------
+
+/*### RTSEC */
+/*### Real-Time Clock Alarm Second Registers */
+/*### Chap. 11.10.4 */
+/*### Offset : 0x0000 0228 */
+/*### (Locked) */
+
+ COUNTER = Counter bits(fraction of a second)
+
+---------------------------------------------------------------------
+
+/*### PISCR */
+/*### Periodic Interrupt Status and Control Register */
+/*### Chap. 11.11.1 */
+/*### Offset : 0x0000 0240 */
+/*### (Locked) */
+
+ PIRQ = 0
+ PS = 0 /* Write 1 to clear */
+ PIE = 0
+ PITF = 1
+ PTE = 0 /* PIT disabled */
+
+---------------------------------------------------------------------
+
+/*### PITC */
+/*### PIT Count Register */
+/*### Chap. 11.11.2 */
+/*### Offset : 0x0000 0244 */
+/*### (Locked) */
+
+ PITC = PIT count
+
+---------------------------------------------------------------------
+
+/*### PITR */
+/*### PIT Register */
+/*### Chap. 11.11.3 */
+/*### Offset : 0x0000 0248 */
+/*### (Locked) */
+
+ PIT = PIT count /* Read only */
+
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* CLOCKS */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+---------------------------------------------------------------------
+
+
+---------------------------------------------------------------------
+
+/*### SCCR */
+/*### System Clock and Reset Control Register */
+/*### Chap. 15.6.1 */
+/*### Offset : 0x0000 0280 */
+/*### (Locked) */
+
+ COM = 11 /* Clock output disabled */
+ TBS = 1 /* Timebase frequency source is GCLK2 divided by 16 */
+ RTDIV = 0 /* The clock is divided by 4 */
+ RTSEL = 0 /* OSCM(Crystal oscillator) is selected */
+ CRQEN = 0
+ PRQEN = 0
+ EBDF = 00 /* CLKOUT is GCLK2 divided by 1 */
+ DFSYNC = 00 /* Divided by 1 (normal operation) */
+ DFBRG = 00 /* Divided by 1 (normal operation) */
+ DFNL = 000
+ DFNH = 000
+
+ => 0x6200 0000
+
+---------------------------------------------------------------------
+
+/*### PLPRCR */
+/*### PLL, Low-Power, and Reset Control Register */
+/*### Chap. 15.6.2 */
+/*### Offset : 0x0000 0284 */
+/*### (Locked) */
+
+ MF = 0x005 /* 48MHz (?) ( = 8MHz * (MF+1) ) */
+ SPLSS = 0
+ TEXPS = 0
+ TMIST = 0
+ CSRC = 0 /* The general system clock is generated by the DFNH field */
+ LPM = 00 /* Normal high/normal low mode */
+ CSR = 0
+ LOLRE = 0
+ FIOPD = 0
+
+ => 0x0050 0000
+
+---------------------------------------------------------------------
+
+/*### RSR */
+/*### Reset Status Register */
+/*### Chap. 12.2 */
+/*### Offset : 0x0000 0288 */
+/*### (Locked) */
+
+ EHRS = External hard reset
+ ESRS = External soft reset
+ LLRS = Loss-of-lock reset
+ SWRS = Software watchdog reset
+ CSRS = Check stop reset
+ DBHRS = Debug port hard reset
+ DBSRS = Debug port soft reset
+ JTRS = JTAG reset
+
+
+
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+/* DMA */
+/* */
+/*------------------------------------------------------------------- */
+/*------------------------------------------------------------------- */
+---------------------------------------------------------------------
+
+/*### SDSR */
+/*### SDMA Status Register */
+/*### Chap. 20.2.2 */
+/*### Offset : 0x0000 0908 */
+
+ SBER = 0 /* SDMA channel bus error */
+ DSP2 = 0 /* DSP chain2 (Tx) interrupt */
+ DSP1 = 0 /* DSP chain1 (Rx) interrupt */
+
+ => 0x00
+
+/*### SDMR */
+/*### SDMA Mask Register */
+/*### Chap. 20.2.3 */
+/*### Offset : 0x0000 090C */
+
+ SBER = 0
+ DSP2 = 0
+ DSP1 = 0 /* All interrupts are masked */
+
+ => 0x00
+
+/*### SDAR */
+/*### SDMA Address Register */
+/*### Chap. 20.2.4 */
+/*### Offset : 0x0000 0904 */
+
+ AR = 0xxxxx xxxx /* current system address */
+
+ => 0xFA20 23AC
+
+/*### IDSRx */
+/*### IDMA Status Register */
+/*### Chap. 20.3.3.2 */
+/*### Offset : IDSR1(0x0000 0910) & IDSR2(0x0000 0918) */
+
+ AD = 0
+ DONE = 0
+ OB = 0
+
+ => 0x00
+
+/*### IDMRx */
+/*### IDMA Mask Register */
+/*### Chap. 20.3.3.3 */
+/*### Offset : IDMR1(0x0000 0914) & IDMR2(0x0000 091C) */
+
+ AD = 0
+ DONE = 0
+ OB = 0
+