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target/cortex_m: Add support for AHB5-AP 

The AHB5-AP is implemented in Cortex-M23/33 based devices.

Change-Id: I505954a2e2c6462ce0aa96eba1d55b016c5028b9
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/5232
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Tested-by: jenkins
bscan_optimization
Marc Schink 2019-06-14 08:16:19 +02:00 committed by Matthias Welwarsky
parent 1f1558e74b
commit 0d47d85ff5
1 changed files with 10 additions and 1 deletions
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11
src/target/cortex_m.c
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@ -2093,6 +2093,15 @@ static void cortex_m_dwt_free(struct target *target)
#define MVFR1_DEFAULT_M7_SP 0x11000011 #define MVFR1_DEFAULT_M7_SP 0x11000011
#define MVFR1_DEFAULT_M7_DP 0x12000011 #define MVFR1_DEFAULT_M7_DP 0x12000011
static int cortex_m_find_mem_ap(struct adiv5_dap *swjdp,
struct adiv5_ap **debug_ap)
{
if (dap_find_ap(swjdp, AP_TYPE_AHB3_AP, debug_ap) == ERROR_OK)
return ERROR_OK;
return dap_find_ap(swjdp, AP_TYPE_AHB5_AP, debug_ap);
}
int cortex_m_examine(struct target *target) int cortex_m_examine(struct target *target)
{ {
int retval; int retval;
@ -2107,7 +2116,7 @@ int cortex_m_examine(struct target *target)
if (!armv7m->stlink) { if (!armv7m->stlink) {
if (cortex_m->apsel == DP_APSEL_INVALID) { if (cortex_m->apsel == DP_APSEL_INVALID) {
/* Search for the MEM-AP */ /* Search for the MEM-AP */
retval = dap_find_ap(swjdp, AP_TYPE_AHB3_AP, &armv7m->debug_ap); retval = cortex_m_find_mem_ap(swjdp, &armv7m->debug_ap);
if (retval != ERROR_OK) { if (retval != ERROR_OK) {
LOG_ERROR("Could not find MEM-AP to control the core"); LOG_ERROR("Could not find MEM-AP to control the core");
return retval; return retval;