From a8bd749d4edfeee9832a75daa1ce3a519285d5b2 Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 4 Mar 2009 21:28:50 +0000 Subject: Nicolas Pitre making reset+halt on the SheevaPlug 100% reliable (needs patch in target.c to fix "halt 0"). git-svn-id: svn://svn.berlios.de/openocd/trunk@1397 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/board/sheevaplug.cfg | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/target/board/sheevaplug.cfg b/src/target/board/sheevaplug.cfg index e9c68328..8e5c2655 100644 --- a/src/target/board/sheevaplug.cfg +++ b/src/target/board/sheevaplug.cfg @@ -3,8 +3,6 @@ source [find interface/sheevaplug.cfg] source [find target/feroceon.cfg] -$_TARGETNAME configure -event reset-init { sheevaplug_init } - $_TARGETNAME configure \ -work-area-phys 0x10000000 \ -work-area-size 65536 \ @@ -17,6 +15,13 @@ nand device orion 0 0xd8000000 proc sheevaplug_init { } { + # We need to assert DBGRQ while holding nSRST down. + # However DBGACK will be set only when nSRST is released. + jtag_reset 0 1 + halt 0 + jtag_reset 0 0 + wait_halt + arm926ejs cp15 0 0 1 0 0x00052078 mww 0xD0001400 0x43000C30 # DDR SDRAM Configuration Register @@ -90,8 +95,8 @@ proc sheevaplug_init { } { proc sheevaplug_reflash_uboot { } { - # reflash the u-Boot binary - #reset init + # reflash the u-Boot binary and reboot into it + sheevaplug_init nand probe 0 nand erase 0 0 4 nand write 0 uboot.bin 0 @@ -101,8 +106,8 @@ proc sheevaplug_reflash_uboot { } { proc sheevaplug_load_uboot { } { - # load u-Boot into RAM - #reset init + # load u-Boot into RAM and execute it + sheevaplug_init load_image /tmp/uboot.elf verify_image uboot.elf resume 0x00600000 -- cgit v1.2.3