diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/nor/kinetis.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/flash/nor/kinetis.c b/src/flash/nor/kinetis.c index dce098ec..a392a17b 100644 --- a/src/flash/nor/kinetis.c +++ b/src/flash/nor/kinetis.c @@ -31,6 +31,7 @@ #include "config.h" #endif +#include "jtag/interface.h" #include "imp.h" #include <helper/binarybuffer.h> #include <target/algorithm.h> @@ -313,6 +314,14 @@ COMMAND_HANDLER(kinetis_mdm_mass_erase) * Reset Request bit in the MDM-AP control register after * establishing communication... */ + + /* assert SRST */ + if (jtag_get_reset_config() & RESET_HAS_SRST) + adapter_assert_reset(); + else + LOG_WARNING("Attempting mass erase without hardware reset. This is not reliable; " + "it's recommended you connect SRST and use ``reset_config srst_only''."); + dap_ap_select(dap, 1); retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, MEM_CTRL_SYS_RES_REQ); @@ -364,6 +373,9 @@ COMMAND_HANDLER(kinetis_mdm_mass_erase) if (retval != ERROR_OK) return retval; + if (jtag_get_reset_config() & RESET_HAS_SRST) + adapter_deassert_reset(); + dap_ap_select(dap, original_ap); return ERROR_OK; } |