From: Oleksij Rempel Date: Mon, 27 Jan 2014 09:07:38 +0000 (+0100) Subject: mips_ejtag.c: disable DMA for all platforms X-Git-Tag: v0.8.0-rc1~36 X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=d2ddb53f7d3c6c5c3be1f6b41a796033599b1880 mips_ejtag.c: disable DMA for all platforms DMA seems to be broken in many ways. Don't trust it! Change-Id: I7e28608f299abdf78d02a967c62849b6b2ce5985 Signed-off-by: Oleksij Rempel Reviewed-on: http://openocd.zylin.com/1936 Tested-by: jenkins Reviewed-by: Antony Pavlov Reviewed-by: Paul Fertser --- diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index 6d51c56f02..c24cea3d45 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -386,8 +386,11 @@ int mips_ejtag_init(struct mips_ejtag *ejtag_info) ejtag_info->impcode & EJTAG_IMP_NODMA ? " noDMA" : " DMA", ejtag_info->impcode & EJTAG_DCR_MIPS64 ? " MIPS64" : " MIPS32"); - if ((ejtag_info->impcode & EJTAG_IMP_NODMA) == 0) - LOG_DEBUG("EJTAG: DMA Access Mode Support Enabled"); + if ((ejtag_info->impcode & EJTAG_IMP_NODMA) == 0) { + LOG_DEBUG("EJTAG: DMA Access Mode detected. Disabling to " + "workaround current broken code."); + ejtag_info->impcode |= EJTAG_IMP_NODMA; + } /* set initial state for ejtag control reg */ ejtag_info->ejtag_ctrl = EJTAG_CTRL_ROCC | EJTAG_CTRL_PRACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_SETDEV;