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cortex_m: Select an AP when accessing the DAP

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Prepare to support multiple cortex-m cores on one DAP. Uses mem_ap_sel_*
functions and removes mem_ap_* functions. Adds a new debug_ap
parameter to the cortex_m (currently set to zero as in existing code).

Change-Id: I6926029d1e7bf44a42d453d1aff349bda824ba72
Signed-off-by: Patrick Stewart <patstew@gmail.com>
Reviewed-on: http://openocd.zylin.com/2983
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Patrick Stewart
2015-12-06 00:18:33 +01:00
committed by Andreas Fritiofson
parent c560d9d31b
commit 67f24e6734
7 changed files with 82 additions and 87 deletions
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6
src/flash/nor/at91sam4l.c
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@@ -660,14 +660,14 @@ COMMAND_HANDLER(sam4l_handle_reset_deassert)
* After vectreset SMAP release is not needed however makes no harm
*/
if (target->reset_halt && (jtag_reset_config & RESET_HAS_SRST)) {
retval = mem_ap_write_u32(swjdp, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
retval = mem_ap_sel_write_u32(swjdp, armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
if (retval == ERROR_OK)
retval = mem_ap_write_atomic_u32(swjdp, DCB_DEMCR,
retval = mem_ap_sel_write_atomic_u32(swjdp, armv7m->debug_ap, DCB_DEMCR,
TRCENA | VC_HARDERR | VC_BUSERR | VC_CORERESET);
/* do not return on error here, releasing SMAP reset is more important */
}
int retval2 = mem_ap_write_atomic_u32(swjdp, SMAP_SCR, SMAP_SCR_HCR);
int retval2 = mem_ap_sel_write_atomic_u32(swjdp, armv7m->debug_ap, SMAP_SCR, SMAP_SCR_HCR);
if (retval2 != ERROR_OK)
return retval2;