From: oharboe at B. <oh...@ma...> - 2009-09-21 11:25:57
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Author: oharboe Date: 2009-09-21 11:25:52 +0200 (Mon, 21 Sep 2009) New Revision: 2741 Added: trunk/tcl/board/csb732.cfg Log: Ethan Eade <et...@ev...> board config script for Cogent CSB732 i.MX35 (arm1136) Added: trunk/tcl/board/csb732.cfg =================================================================== --- trunk/tcl/board/csb732.cfg 2009-09-21 00:37:58 UTC (rev 2740) +++ trunk/tcl/board/csb732.cfg 2009-09-21 09:25:52 UTC (rev 2741) @@ -0,0 +1,71 @@ +# The Cogent CSB732 board has a single i.MX35 chip +source [find target/imx35.cfg] + +# Determined by trial and error +reset_config trst_and_srst combined +jtag_nsrst_delay 200 +jtag_ntrst_delay 200 + +$_TARGETNAME configure -event gdb-attach { reset init } +$_TARGETNAME configure -event reset-init { csb732_init } + +# Bare-bones initialization of core clocks and SDRAM +proc csb732_init { } { + + # Disable fast writing only for init + memwrite burst disable + + # All delay loops are omitted. + # We assume the interpreter latency is enough. + + # Allow access to all coprocessors + arm11 mcr imx35.cpu 15 0 15 1 0 0x2001 + + # Disable MMU, caches, write buffer + arm11 mcr imx35.cpu 15 0 1 0 0 0x78 + + # Grant manager access to all domains + arm11 mcr imx35.cpu 15 0 3 0 0 0xFFFFFFFF + + # Set ARM clock to 532 MHz, AHB to 133 MHz + mww 0x53F80004 0x1000 + + # Set core clock to 2 * 24 MHz * (11 + 1/12) = 532 MHz + mww 0x53F8001C 0xB2C01 + + set ESDMISC 0xB8001010 + set ESDCFG0 0xB8001004 + set ESDCTL0 0xB8001000 + + # Enable DDR + mww $ESDMISC 0x4 + + # Timing + mww $ESDCFG0 0x007fff3f + + # CS0 + mww $ESDCTL0 0x92120080 + + # Precharge all dummy write + mww 0x80000400 0 + + # Enable CS) auto-refresh + mww $ESDCTL0 0xA2120080 + + # Refresh twice (dummy writes) + mww 0x80000000 0 + mww 0x80000000 0 + + # Enable CS0 load mode register + mww $ESDCTL0 0xB2120080 + + # Dummy writes + mwb 0x80000033 0x01 + mwb 0x81000000 0x01 + + mww $ESDCTL0 0x82226080 + mww 0x80000000 0 + + # Re-enable fast writing + memwrite burst enable +} Property changes on: trunk/tcl/board/csb732.cfg ___________________________________________________________________ Name: svn:eol-style + native |