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riscv-openocd
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Fall back on ndmreset if hartreset is unsupported.

This commit is contained in:
Tim Newsome 2017-09-21 14:53:12 -07:00
parent fe36097ff8
commit f0195868d3
1 changed files with 10 additions and 0 deletions
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10
src/target/riscv/riscv-013.c
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@ -1220,6 +1220,16 @@ static int assert_reset(struct target *target)
target->reset_halt ? 1 : 0); target->reset_halt ? 1 : 0);
control = set_field(control, DMI_DMCONTROL_HARTRESET, 1); control = set_field(control, DMI_DMCONTROL_HARTRESET, 1);
dmi_write(target, DMI_DMCONTROL, control); dmi_write(target, DMI_DMCONTROL, control);
// Read back to check if hartreset is supported.
uint32_t rb = dmi_read(target, DMI_DMCONTROL);
if (!get_field(rb, DMI_DMCONTROL_HARTRESET)) {
// Use ndmreset instead. That will reset the entire device, but
// that's probably what OpenOCD wants anyway.
control = set_field(control, DMI_DMCONTROL_HARTRESET, 0);
control = set_field(control, DMI_DMCONTROL_NDMRESET, 1);
dmi_write(target, DMI_DMCONTROL, control);
}
} }
target->state = TARGET_RESET; target->state = TARGET_RESET;