This is an automated email from Gerrit.
Oleksij Rempel (li...@rempel-privat.de) just uploaded a new patch set to
Gerrit, which you can find at http://openocd.zylin.com/1931
-- gerrit
commit a095f2df55288e05b0c083e441e42fe43be1b829
Author: Oleksij Rempel <li...@rempel-privat.de>
Date: Tue Jan 21 20:48:14 2014 +0100
mips32.c: fix IB and DB bits check for EJTAG v2.0
Change-Id: I4e28dddc1d5d9c2b923ae17beacdd7f73591b1d0
Signed-off-by: Oleksij Rempel <li...@rempel-privat.de>
diff --git a/src/target/mips32.c b/src/target/mips32.c
index 188e88b..a2e4db1 100644
--- a/src/target/mips32.c
+++ b/src/target/mips32.c
@@ -540,10 +540,15 @@ int mips32_configure_break_unit(struct target *target)
if (retval != ERROR_OK)
return retval;
- /* EJTAG 2.0 does not specify EJTAG_DCR_IB and EJTAG_DCR_DB bits,
- * assume IB and DB registers are always present. */
- if (ejtag_info->ejtag_version == EJTAG_VERSION_20)
- dcr |= EJTAG_DCR_IB | EJTAG_DCR_DB;
+ /* EJTAG 2.0 set IB and DB bits in IMP instead of DCR.
+ * Since this DCR bits should be reseved on DCR 2.0, we can
+ * just remap them. */
+ if (ejtag_info->ejtag_version == EJTAG_VERSION_20) {
+ if (!(ejtag_info->impcode & EJTAG_V20_IMP_NOIB))
+ dcr |= EJTAG_DCR_IB;
+ if (!(ejtag_info->impcode & EJTAG_V20_IMP_NODB))
+ dcr |= EJTAG_DCR_DB;
+ }
if (dcr & EJTAG_DCR_IB) {
retval = mips32_configure_ibs(target);
--
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