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author | dbrownell <dbrownell@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-10-06 22:56:52 +0000 |
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committer | dbrownell <dbrownell@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-10-06 22:56:52 +0000 |
commit | 0da2f750a1d437b50b21ac7ee766188a47b37fad (patch) | |
tree | 9d960610aa48eea9d595debc193b6f4def9568e7 /tcl | |
parent | 60f877050240ae3539def257d4acbd4e21b6ffe9 (diff) | |
download | openocd+libswd-0da2f750a1d437b50b21ac7ee766188a47b37fad.tar.gz openocd+libswd-0da2f750a1d437b50b21ac7ee766188a47b37fad.tar.bz2 openocd+libswd-0da2f750a1d437b50b21ac7ee766188a47b37fad.tar.xz openocd+libswd-0da2f750a1d437b50b21ac7ee766188a47b37fad.zip |
Add basic support for DM6446 EVM board.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2808 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'tcl')
-rw-r--r-- | tcl/board/dm6446evm.cfg | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tcl/board/dm6446evm.cfg b/tcl/board/dm6446evm.cfg new file mode 100644 index 00000000..39607fe3 --- /dev/null +++ b/tcl/board/dm6446evm.cfg @@ -0,0 +1,74 @@ +# DM6446 EVM board +# http://focus.ti.com/docs/toolsw/folders/print/tmdsevm6446.html +# http://c6000.spectrumdigital.com/davincievm/ +# EVM is just the board; buy that at Spectrum. +# The "kit" from TI also has: video camera, LCD video monitor, more. + +source [find target/ti_dm6446.cfg] + +# J4 controls what CS2 hooks up to, usually NOR or NAND flash. +# S3.1/S3.2 controls boot mode, which may force J4 and S3.3 settings. +# S3.3 controls AEMIF bus width. + +if { [info exists J4_OPTION] } { + # NOR, NAND, SRAM, ... + set CS2_MODE $J4_OPTION +} else { + set CS2_MODE "" +} + +# ARM boot: +# S3.1 = 0, S3.2 = 0 ==> ROM/UBL boot via NAND (J4 == NAND) +# S3.1 = 1, S3.2 = 0 ==> AEMIF boot (J4 == NOR or SRAM) +# S3.1 = 0, S3.2 = 1 ==> ROM/UBL boot via HPI +# S3.1 = 1, S3.2 = 1 ==> ROM/UBL boot via UART (J4 == don't care) +# AEMIF bus width: +# S3.3 = 0 ==> 8 bit bus width +# S3.3 = 1 ==> 16 bit bus width +# DSP boot: +# S3.4 = 0 ==> controlled by ARM + +if { $CS2_MODE == "NOR" } { + # 16 Mbytes address space; 16 bit bus width + # (older boards used 32MB parts, with upper 16 MB unusable) + flash bank cfi 0x02000000 0x01000000 2 2 $_TARGETNAME + proc flashprobe {} { flash probe 0 } +} elseif { $CS2_MODE == "NAND" } { + # 64 Mbyte small page; 8 bit bus width + nand device davinci $_TARGETNAME 0x02000000 hwecc1 0x01e00000 + proc flashprobe {} { nand probe 0 } +} elseif { $CS2_MODE == "SRAM" } { + # 4 Mbyte address space; 16 bit bus width + # loaded via JTAG or HPI + proc flashprobe {} {} +} else { + # maybe it's HPI boot? can't tell... + echo "WARNING: CS2/flash configuration not recognized" + proc flashprobe {} {} +} + +# NOTE: disable or replace this call to dm6446evm_init if you're +# debugging new UBL code from SRAM (for NAND boot). +$_TARGETNAME configure -event reset-init { dm6446evm_init } + +# +# This post-reset init is called when the MMU isn't active, all IRQs +# are disabled, etc. It should do most of what a UBL does, except for +# loading code (like U-Boot) into DRAM and running it. +# +proc dm6446evm_init {} { + + puts "Initialize DM6446 EVM board" + + # FIXME initialize everything: + # - PLL1 + # - PLL2 + # - PINMUX + # - PSC + # - DDR + # - AEMIF + # - UART0 + # - icache + + flashprobe +} |