From dc871f422da8943de9eecaa163b4a5bf54460379 Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 7 Oct 2009 12:21:58 +0000 Subject: [PATCH] first stab at imx35 reset init script git-svn-id: svn://svn.berlios.de/openocd/trunk@2817 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- tcl/board/imx35pdk.cfg | 272 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 272 insertions(+) create mode 100644 tcl/board/imx35pdk.cfg diff --git a/tcl/board/imx35pdk.cfg b/tcl/board/imx35pdk.cfg new file mode 100644 index 00000000..3e0bf6b3 --- /dev/null +++ b/tcl/board/imx35pdk.cfg @@ -0,0 +1,272 @@ +# The IMX35PDK eval board has a single IMX35 chip +source [find target/imx35.cfg] +$_TARGETNAME configure -event reset-init { imx35pdk_init } + +memwrite burst disable +#arm11 no_increment enable + + +global TARGETNAME +set TARGETNAME $_TARGETNAME + +# rewrite commands of the form below to arm11 mcr... +# Data.Set c15:0x042f %long 0x40000015 +proc setc15 {regs value} { + global TARGETNAME + + echo [format "set p15 0x%04x, 0x%08x" $regs $value] + + arm11 mcr $TARGETNAME 15 [expr ($regs>>12)&0x7] [expr ($regs>>0)&0xf] [expr ($regs>>4)&0xf] [expr ($regs>>8)&0x7] $value +} + +proc imx35pdk_init { } { + + + echo "Target Setup: initialize DRAM controller and peripherals" + +# Data.Set c15:0x01 %long 0x00050078 + setc15 0x01 0x00050078 + + echo "configuring CP15 for enabling the peripheral bus" +# Data.Set c15:0x042f %long 0x40000015 + setc15 0x042f 0x40000015 + + mww 0x43f00040 0x00000000 + mww 0x43f00044 0x00000000 + mww 0x43f00048 0x00000000 + mww 0x43f0004C 0x00000000 + mww 0x43f00050 0x00000000 + mww 0x43f00000 0x77777777 + mww 0x43f00004 0x77777777 + mww 0x53f00040 0x00000000 + mww 0x53f00044 0x00000000 + mww 0x53f00048 0x00000000 + mww 0x53f0004C 0x00000000 + mww 0x53f00050 0x00000000 + mww 0x53f00000 0x77777777 + mww 0x53f00004 0x77777777 + + # clock setup + mww 0x53F80004 0x00821000 # first need to set IPU_HND_BYP + mww 0x53F80004 0x00821000 #arm clock is 399Mhz and ahb clock is 133Mhz. + + #================================================= + # WEIM config + #================================================= + # CS0U + mww 0xB8002000 0x0000CC03 + # CS0L + mww 0xB8002004 0xA0330D01 + # CS0A + mww 0xB8002008 0x00220800 + # CS5U + mww 0xB8002050 0x0000dcf6 + # CS5L + mww 0xB8002054 0x444a4541 + # CS5A + mww 0xB8002058 0x44443302 + + # IO SW PAD Control registers - setting of 0x0002 is high drive, mDDR + mww 0x43FAC368 0x00000006 + mww 0x43FAC36C 0x00000006 + mww 0x43FAC370 0x00000006 + mww 0x43FAC374 0x00000006 + mww 0x43FAC378 0x00000006 + mww 0x43FAC37C 0x00000006 + mww 0x43FAC380 0x00000006 + mww 0x43FAC384 0x00000006 + mww 0x43FAC388 0x00000006 + mww 0x43FAC38C 0x00000006 + mww 0x43FAC390 0x00000006 + mww 0x43FAC394 0x00000006 + mww 0x43FAC398 0x00000006 + mww 0x43FAC39C 0x00000006 + mww 0x43FAC3A0 0x00000006 + mww 0x43FAC3A4 0x00000006 + mww 0x43FAC3A8 0x00000006 + mww 0x43FAC3AC 0x00000006 + mww 0x43FAC3B0 0x00000006 + mww 0x43FAC3B4 0x00000006 + mww 0x43FAC3B8 0x00000006 + mww 0x43FAC3BC 0x00000006 + mww 0x43FAC3C0 0x00000006 + mww 0x43FAC3C4 0x00000006 + mww 0x43FAC3C8 0x00000006 + mww 0x43FAC3CC 0x00000006 + mww 0x43FAC3D0 0x00000006 + mww 0x43FAC3D4 0x00000006 + mww 0x43FAC3D8 0x00000006 + + # DDR data bus SD 0 through 31 + mww 0x43FAC3DC 0x00000082 + mww 0x43FAC3E0 0x00000082 + mww 0x43FAC3E4 0x00000082 + mww 0x43FAC3E8 0x00000082 + mww 0x43FAC3EC 0x00000082 + mww 0x43FAC3F0 0x00000082 + mww 0x43FAC3F4 0x00000082 + mww 0x43FAC3F8 0x00000082 + mww 0x43FAC3FC 0x00000082 + mww 0x43FAC400 0x00000082 + mww 0x43FAC404 0x00000082 + mww 0x43FAC408 0x00000082 + mww 0x43FAC40C 0x00000082 + mww 0x43FAC410 0x00000082 + mww 0x43FAC414 0x00000082 + mww 0x43FAC418 0x00000082 + mww 0x43FAC41c 0x00000082 + mww 0x43FAC420 0x00000082 + mww 0x43FAC424 0x00000082 + mww 0x43FAC428 0x00000082 + mww 0x43FAC42c 0x00000082 + mww 0x43FAC430 0x00000082 + mww 0x43FAC434 0x00000082 + mww 0x43FAC438 0x00000082 + mww 0x43FAC43c 0x00000082 + mww 0x43FAC440 0x00000082 + mww 0x43FAC444 0x00000082 + mww 0x43FAC448 0x00000082 + mww 0x43FAC44c 0x00000082 + mww 0x43FAC450 0x00000082 + mww 0x43FAC454 0x00000082 + mww 0x43FAC458 0x00000082 + + # DQM setup + mww 0x43FAC45c 0x00000082 + mww 0x43FAC460 0x00000082 + mww 0x43FAC464 0x00000082 + mww 0x43FAC468 0x00000082 + + mww 0x43FAC46c 0x00000006 + mww 0x43FAC470 0x00000006 + mww 0x43FAC474 0x00000006 + mww 0x43FAC478 0x00000006 + mww 0x43FAC47c 0x00000006 + mww 0x43FAC480 0x00000006 # CSD0 + mww 0x43FAC484 0x00000006 # CSD1 + mww 0x43FAC488 0x00000006 + mww 0x43FAC48c 0x00000006 + mww 0x43FAC490 0x00000006 + mww 0x43FAC494 0x00000006 + mww 0x43FAC498 0x00000006 + mww 0x43FAC49c 0x00000006 + mww 0x43FAC4A0 0x00000006 + mww 0x43FAC4A4 0x00000006 # RAS + mww 0x43FAC4A8 0x00000006 # CAS + mww 0x43FAC4Ac 0x00000006 # SDWE + mww 0x43FAC4B0 0x00000006 # SDCKE0 + mww 0x43FAC4B4 0x00000006 # SDCKE1 + mww 0x43FAC4B8 0x00000002 # SDCLK + + # SDQS0 through SDQS3 + mww 0x43FAC4Bc 0x00000082 + mww 0x43FAC4C0 0x00000082 + mww 0x43FAC4C4 0x00000082 + mww 0x43FAC4C8 0x00000082 + + + # *================================================== + # Initialization script for 32 bit DDR2 on RINGO 3DS + # *================================================== + + #-------------------------------------------- + # Init CCM + #-------------------------------------------- + mww 0x53F80028 0x7D000028 + + #-------------------------------------------- + # Init IOMUX for JTAG + #-------------------------------------------- + mww 0x43FAC5EC 0x000000C3 + mww 0x43FAC5F0 0x000000C3 + mww 0x43FAC5F4 0x000000F3 + mww 0x43FAC5F8 0x000000F3 + mww 0x43FAC5FC 0x000000F3 + mww 0x43FAC600 0x000000F3 + mww 0x43FAC604 0x000000F3 + + + # ESD_MISC : enable DDR2 + mww 0xB8001010 0x00000304 + + #-------------------------------------------- + # Init 32-bit DDR2 memeory on CSD0 + # COL=10-bit, ROW=13-bit, BA[1:0]=Addr[26:25] + #-------------------------------------------- + + # ESD_ESDCFG0 : set timing paramters + mww 0xB8001004 0x007ffC2f + + # ESD_ESDCTL0 : select Prechare-All mode + mww 0xB8001000 0x92220000 + # DDR2 : Prechare-All + mww 0x80000400 0x12345678 + + # ESD_ESDCTL0 : select Load-Mode-Register mode + mww 0xB8001000 0xB2220000 + # DDR2 : Load reg EMR2 + mwb 0x84000000 0xda + # DDR2 : Load reg EMR3 + mwb 0x86000000 0xda + # DDR2 : Load reg EMR1 -- enable DLL + mwb 0x82000400 0xda + # DDR2 : Load reg MR -- reset DLL + mwb 0x80000333 0xda + + # ESD_ESDCTL0 : select Prechare-All mode + mww 0xB8001000 0x92220000 + # DDR2 : Prechare-All + mwb 0x80000400 0x12345678 + + # ESD_ESDCTL0 : select Manual-Refresh mode + mww 0xB8001000 0xA2220000 + # DDR2 : Manual-Refresh 2 times + mww 0x80000000 0x87654321 + mww 0x80000000 0x87654321 + + # ESD_ESDCTL0 : select Load-Mode-Register mode + mww 0xB8001000 0xB2220000 + # DDR2 : Load reg MR -- CL=3, BL=8, end DLL reset + mwb 0x80000233 0xda + # DDR2 : Load reg EMR1 -- OCD default + mwb 0x82000780 0xda + # DDR2 : Load reg EMR1 -- OCD exit + mwb 0x82000400 0xda # ODT disabled + + # ESD_ESDCTL0 : select normal-operation mode + # DSIZ=32-bit, BL=8, COL=10-bit, ROW=13-bit + # disable PWT & PRCT + # disable Auto-Refresh + mww 0xB8001000 0x82220080 + + ## ESD_ESDCTL0 : enable Auto-Refresh + mww 0xB8001000 0x82228080 + ## ESD_ESDCTL1 : enable Auto-Refresh + mww 0xB8001008 0x00002000 + + + #*********************************************** + # Adjust the ESDCDLY5 register + #*********************************************** + # Vary DQS_ABS_OFFSET5 for writes + mww 0xB8001020 0x00F48000 # this is the default value + mww 0xB8001024 0x00F48000 # this is the default value + mww 0xB8001028 0x00F48000 # this is the default value + mww 0xB800102c 0x00F48000 # this is the default value + + + #Then you can make force measure with the dedicated bit (Bit 7 at ESDMISC) + mww 0xB8001010 0x00000384 + # wait a while + sleep 1000 + # now clear the force measurement bit + mww 0xB8001010 0x00000304 + + # dummy write to DDR memory to set DQS low + mww 0x80000000 0x00000000 + + mww 0x30000100 0x0 + mww 0x30000104 0x31024 + + +} -- 2.39.5