diff options
| author | Simon Qian <openocd@versaloon.com> | 2014-09-16 21:10:13 +0800 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2014-09-29 20:06:20 +0000 |
| commit | b4f6338738ddd13a36922109347fc3d6fe0733c0 (patch) | |
| tree | e505f71bce0247d0d05a3e2026ec46461b9ba6e3 /src | |
| parent | 54ff07808fb4c2f1a6226a0dfa669a43dc88edad (diff) | |
vsllink: improve the performance when using swd
Versaloon firmware has been updated for reporting
errors if fail on swd transactions.
Change-Id: I49ac0ad034cc9ad83cc4e43953579811d1243063
Signed-off-by: Simon Qian <openocd@versaloon.com>
Reviewed-on: http://openocd.zylin.com/2302
Reviewed-by: Fatih Aşıcı <fatih.asici@gmail.com>
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/drivers/vsllink.c | 54 |
1 files changed, 4 insertions, 50 deletions
diff --git a/src/jtag/drivers/vsllink.c b/src/jtag/drivers/vsllink.c index fcac2882..844f6f27 100644 --- a/src/jtag/drivers/vsllink.c +++ b/src/jtag/drivers/vsllink.c @@ -97,7 +97,6 @@ static uint8_t *tdi_buffer; static uint8_t *tdo_buffer; static bool swd_mode; -static int queued_retval; static struct vsllink *vsllink_handle; @@ -758,7 +757,6 @@ static int_least32_t vsllink_swd_frequency(struct adiv5_dap *dap, LOG_DEBUG("SWD delay: %d, retry count: %d", delay, retry_count); versaloon_interface.adaptors.swd.config(0, 2, retry_count, delay); - queued_retval = versaloon_interface.adaptors.peripheral_commit(); } return hz; @@ -788,68 +786,24 @@ static int vsllink_swd_switch_seq(struct adiv5_dap *dap, return ERROR_FAIL; } - return versaloon_interface.adaptors.peripheral_commit(); + return ERROR_OK; } static void vsllink_swd_read_reg(struct adiv5_dap *dap, uint8_t cmd, uint32_t *value) { - if (queued_retval != ERROR_OK) - return; - - int retval; - uint32_t val = 0; - uint8_t ack; - - versaloon_interface.adaptors.swd.transact(0, cmd, &val, &ack); - retval = versaloon_interface.adaptors.peripheral_commit(); - - if (retval != ERROR_OK) { - queued_retval = ERROR_FAIL; - return; - } - - if (ack != 0x01) { - queued_retval = ack; - return; - } - - if (value) - *value = val; - - queued_retval = retval; + versaloon_interface.adaptors.swd.transact(0, cmd, value, NULL); } static void vsllink_swd_write_reg(struct adiv5_dap *dap, uint8_t cmd, uint32_t value) { - if (queued_retval != ERROR_OK) - return; - - int retval; - uint8_t ack; - - versaloon_interface.adaptors.swd.transact(0, cmd, &value, &ack); - retval = versaloon_interface.adaptors.peripheral_commit(); - - if (retval != ERROR_OK) { - queued_retval = ERROR_FAIL; - return; - } - - if (ack != 0x01) { - queued_retval = ack; - return; - } - - queued_retval = retval; + versaloon_interface.adaptors.swd.transact(0, cmd, &value, NULL); } static int vsllink_swd_run_queue(struct adiv5_dap *dap) { - int retval = queued_retval; - queued_retval = ERROR_OK; - return retval; + return versaloon_interface.adaptors.peripheral_commit(); } /**************************************************************************** |