diff options
| author | Tomas Vanek <vanekt@fbl.cz> | 2017-06-15 11:03:32 +0200 |
|---|---|---|
| committer | Andreas Fritiofson <andreas.fritiofson@gmail.com> | 2018-01-05 10:06:39 +0000 |
| commit | 81a33244df232a27a0f42f39aa34141009da3c3d (patch) | |
| tree | 873bb03a6ef6db3fbd6293670794f36fabaff9f2 | |
| parent | 4553abf9064fe3c0e4ea2ed29a1d2217df74ff5f (diff) | |
arm_adi_v5: reduce some CSW writes
MEM-AP access through banked data registers MEM_AP_REG_BD0..3
does not increment TAR regardless of the current autoincrement mode.
mem_ap_read_u32() and mem_ap_write_u32() can keep the current
autoincrement mode instead of switching autoincrement off.
Change-Id: Ib7ec688d3e04f1da678363cd2819ce90e8910e58
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4163
Tested-by: jenkins
Reviewed-by: Andreas Bolsch <hyphen0break@gmail.com>
Reviewed-by: Christopher Head <chead@zaber.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
| -rw-r--r-- | src/target/arm_adi_v5.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index a0d0f4ef..ae6c2c62 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -221,7 +221,8 @@ int mem_ap_read_u32(struct adiv5_ap *ap, uint32_t address, /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when reading several consecutive addresses. */ - retval = mem_ap_setup_transfer(ap, CSW_32BIT | CSW_ADDRINC_OFF, + retval = mem_ap_setup_transfer(ap, + CSW_32BIT | (ap->csw_value & CSW_ADDRINC_MASK), address & 0xFFFFFFF0); if (retval != ERROR_OK) return retval; @@ -272,7 +273,8 @@ int mem_ap_write_u32(struct adiv5_ap *ap, uint32_t address, /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when writing several consecutive addresses. */ - retval = mem_ap_setup_transfer(ap, CSW_32BIT | CSW_ADDRINC_OFF, + retval = mem_ap_setup_transfer(ap, + CSW_32BIT | (ap->csw_value & CSW_ADDRINC_MASK), address & 0xFFFFFFF0); if (retval != ERROR_OK) return retval; |