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| author | Salvador Arroyo <sarroyofdez@yahoo.es> | 2012-09-01 13:50:39 +0200 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2012-11-16 12:25:19 +0000 |
| commit | 115b7be42610cd276bab2f9b08a7e11e05cc889e (patch) | |
| tree | c78475b334257eea25d927d6fe5ab69cf24e200e /tcl | |
| parent | 0355d987938d57fcb50b2a9b39b0f89495403357 (diff) | |
| download | riscv-openocd-115b7be42610cd276bab2f9b08a7e11e05cc889e.zip riscv-openocd-115b7be42610cd276bab2f9b08a7e11e05cc889e.tar.gz riscv-openocd-115b7be42610cd276bab2f9b08a7e11e05cc889e.tar.bz2 | |
Pic32mx.cfg: Change system clock to 8Mhz after reset-init.
As for openocd 0.6.0-rc2 the function mips32_pracc_fastdata_xfer()
should now work at a scan frequency up to 1200Khz.
Mainly usefull to increase programming speed.
Also verify_image should be slightly faster.
Change-Id: I1e9b2be73690a4597e2f6ba069c1205026850f07
Signed-off-by: Salvador Arroyo <sarroyofdez@yahoo.es>
Reviewed-on: http://openocd.zylin.com/805
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'tcl')
| -rw-r--r-- | tcl/target/pic32mx.cfg | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tcl/target/pic32mx.cfg b/tcl/target/pic32mx.cfg index 598c905..8a8eea0 100644 --- a/tcl/target/pic32mx.cfg +++ b/tcl/target/pic32mx.cfg @@ -62,6 +62,20 @@ $_TARGETNAME configure -event reset-init { mww 0xbf882020 $_WORKAREASIZE # BMXDUPBA: 0k user program - (BMXDUPBA - BMXDUDBA) mww 0xbf882030 $_WORKAREASIZE + + # + # Set system clock to 8Mhz if the default clock configuration is set + # + + # SYSKEY register, make sure OSCCON is locked + mww 0xbf80f230 0x0 + # SYSKEY register, write unlock sequence + mww 0xbf80f230 0xaa996655 + mww 0xbf80f230 0x556699aa + # OSCCON register + 4, clear OSCCON FRCDIV bits: 24, 25 and 26, divided by 1 + mww 0xbf80f004 0x07000000 + # SYSKEY register, relock OSCCON + mww 0xbf80f230 0x0 } set _FLASHNAME $_CHIPNAME.flash0 |