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| author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2011-04-01 00:00:39 +0200 |
|---|---|---|
| committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2011-04-01 08:59:11 +0200 |
| commit | 378567da4e40a31efed349fbe68deebd14079b94 (patch) | |
| tree | 0f8c82534381cc867df0e4796b8db9d694582eb6 /src/flash/nor | |
| parent | 2615bf4398f393ee1e387128064093dcd44749c8 (diff) | |
| download | openocd+libswd-378567da4e40a31efed349fbe68deebd14079b94.tar.gz openocd+libswd-378567da4e40a31efed349fbe68deebd14079b94.tar.bz2 openocd+libswd-378567da4e40a31efed349fbe68deebd14079b94.tar.xz openocd+libswd-378567da4e40a31efed349fbe68deebd14079b94.zip | |
mips: illustrates how to improve performance
Do not require unecessary roundtrips for clocking out
data.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/flash/nor')
| -rw-r--r-- | src/flash/nor/pic32mx.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/flash/nor/pic32mx.c b/src/flash/nor/pic32mx.c index 89fe9b05..b3c6da3e 100644 --- a/src/flash/nor/pic32mx.c +++ b/src/flash/nor/pic32mx.c @@ -774,11 +774,9 @@ COMMAND_HANDLER(pic32mx_handle_unlock_command) } /* unlock/erase device */ - mchip_cmd = MCHP_ASERT_RST; - mips_ejtag_drscan_8(ejtag_info, &mchip_cmd); + mips_ejtag_drscan_8_out(ejtag_info, MCHP_ASERT_RST); - mchip_cmd = MCHP_ERASE; - mips_ejtag_drscan_8(ejtag_info, &mchip_cmd); + mips_ejtag_drscan_8_out(ejtag_info, MCHP_ERASE); do { mchip_cmd = MCHP_STATUS; @@ -791,8 +789,7 @@ COMMAND_HANDLER(pic32mx_handle_unlock_command) alive_sleep(1); } while ((mchip_cmd & (1 << 2)) || (!(mchip_cmd & (1 << 3)))); - mchip_cmd = MCHP_DE_ASSERT_RST; - mips_ejtag_drscan_8(ejtag_info, &mchip_cmd); + mips_ejtag_drscan_8_out(ejtag_info, MCHP_DE_ASSERT_RST); /* select ejtag tap */ mips_ejtag_set_instr(ejtag_info, MTAP_SW_ETAP); |