diff options
| author | Oleksij Rempel <bug-track@fisher-privat.net> | 2013-04-15 12:10:04 +0200 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2013-07-17 14:33:34 +0000 |
| commit | d18807e7bc43228e214563ba15fd7b24acb2f8f3 (patch) | |
| tree | 769f2d54e10dbb9250f4943d5d1b0dcd7caa451d /src/target/mips_ejtag.c | |
| parent | 6a5848faeb8415a5524ca6fc8c77c9ea89d0165c (diff) | |
mips: add breakpoint support for EJTAG 2.0
EJTAG 1.5, 2.0 and 2.5 have different breakpoint register addresses.
This patch add support of EJTAG 2.0, which is part some broadcom
SoCs.
This work was testet on Broadcom BCM7401.
Change-Id: I4b0ee23871fa9205f9001b7c9165e7b6ebe9ccbf
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Reviewed-on: http://openocd.zylin.com/1464
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'src/target/mips_ejtag.c')
| -rw-r--r-- | src/target/mips_ejtag.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index 85748146..3457b78b 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -303,6 +303,45 @@ int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info) return ctx.retval; } +/* mips_ejtag_init_mmr - asign Memory-Mapped Registers depending + * on EJTAG version. + */ +static void mips_ejtag_init_mmr(struct mips_ejtag *ejtag_info) +{ + if (ejtag_info->ejtag_version == EJTAG_VERSION_20) { + ejtag_info->ejtag_ibs_addr = EJTAG_V20_IBS; + ejtag_info->ejtag_iba0_addr = EJTAG_V20_IBA0; + ejtag_info->ejtag_ibc_offs = EJTAG_V20_IBC_OFFS; + ejtag_info->ejtag_ibm_offs = EJTAG_V20_IBM_OFFS; + + ejtag_info->ejtag_dbs_addr = EJTAG_V20_DBS; + ejtag_info->ejtag_dba0_addr = EJTAG_V20_DBA0; + ejtag_info->ejtag_dbc_offs = EJTAG_V20_DBC_OFFS; + ejtag_info->ejtag_dbm_offs = EJTAG_V20_DBM_OFFS; + ejtag_info->ejtag_dbv_offs = EJTAG_V20_DBV_OFFS; + + ejtag_info->ejtag_iba_step_size = EJTAG_V20_IBAn_STEP; + ejtag_info->ejtag_dba_step_size = EJTAG_V20_DBAn_STEP; + } else { + ejtag_info->ejtag_ibs_addr = EJTAG_V25_IBS; + ejtag_info->ejtag_iba0_addr = EJTAG_V25_IBA0; + ejtag_info->ejtag_ibm_offs = EJTAG_V25_IBM_OFFS; + ejtag_info->ejtag_ibasid_offs = EJTAG_V25_IBASID_OFFS; + ejtag_info->ejtag_ibc_offs = EJTAG_V25_IBC_OFFS; + + ejtag_info->ejtag_dbs_addr = EJTAG_V25_DBS; + ejtag_info->ejtag_dba0_addr = EJTAG_V25_DBA0; + ejtag_info->ejtag_dbm_offs = EJTAG_V25_DBM_OFFS; + ejtag_info->ejtag_dbasid_offs = EJTAG_V25_DBASID_OFFS; + ejtag_info->ejtag_dbc_offs = EJTAG_V25_DBC_OFFS; + ejtag_info->ejtag_dbv_offs = EJTAG_V25_DBV_OFFS; + + ejtag_info->ejtag_iba_step_size = EJTAG_V25_IBAn_STEP; + ejtag_info->ejtag_dba_step_size = EJTAG_V25_DBAn_STEP; + } +} + + int mips_ejtag_init(struct mips_ejtag *ejtag_info) { int retval; @@ -354,6 +393,8 @@ int mips_ejtag_init(struct mips_ejtag *ejtag_info) ejtag_info->ejtag_ctrl = EJTAG_CTRL_ROCC | EJTAG_CTRL_PRACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_SETDEV; ejtag_info->fast_access_save = -1; + mips_ejtag_init_mmr(ejtag_info); + return ERROR_OK; } |