* After vectreset SMAP release is not needed however makes no harm
         */
        if (target->reset_halt && (jtag_reset_config & RESET_HAS_SRST)) {
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
                if (retval == ERROR_OK)
-                       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DEMCR,
+                       retval = mem_ap_write_atomic_u32(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_sel_write_atomic_u32(armv7m->debug_ap, SMAP_SCR, SMAP_SCR_HCR);
+       int retval2 = mem_ap_write_atomic_u32(armv7m->debug_ap, SMAP_SCR, SMAP_SCR_HCR);
        if (retval2 != ERROR_OK)
                return retval2;
 
 
         * After vectreset DSU release is not needed however makes no harm
         */
        if (target->reset_halt && (jtag_reset_config & RESET_HAS_SRST)) {
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
                if (retval == ERROR_OK)
-                       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DEMCR,
+                       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DEMCR,
                                TRCENA | VC_HARDERR | VC_BUSERR | VC_CORERESET);
                /* do not return on error here, releasing DSU reset is more important */
        }
 
 /**
  * Asynchronous (queued) read of a word from memory or a system register.
  *
- * @param dap The DAP connected to the MEM-AP performing the read.
+ * @param ap The MEM-AP to access.
  * @param address Address of the 32-bit word to read; it must be
  *     readable by the currently selected MEM-AP.
  * @param value points to where the word will be stored when the
  *
  * @return ERROR_OK for success.  Otherwise a fault code.
  */
-static int mem_ap_read_u32(struct adiv5_ap *ap, uint32_t address,
+int mem_ap_read_u32(struct adiv5_ap *ap, uint32_t address,
                uint32_t *value)
 {
        int retval;
 
+       dap_ap_select(ap->dap, ap->ap_num);
+
        /* Use banked addressing (REG_BDx) to avoid some link traffic
         * (updating TAR) when reading several consecutive addresses.
         */
  * Synchronous read of a word from memory or a system register.
  * As a side effect, this flushes any queued transactions.
  *
- * @param dap The DAP connected to the MEM-AP performing the read.
+ * @param ap The MEM-AP to access.
  * @param address Address of the 32-bit word to read; it must be
  *     readable by the currently selected MEM-AP.
  * @param value points to where the result will be stored.
  * @return ERROR_OK for success; *value holds the result.
  * Otherwise a fault code.
  */
-static int mem_ap_read_atomic_u32(struct adiv5_ap *ap, uint32_t address,
+int mem_ap_read_atomic_u32(struct adiv5_ap *ap, uint32_t address,
                uint32_t *value)
 {
        int retval;
 /**
  * Asynchronous (queued) write of a word to memory or a system register.
  *
- * @param dap The DAP connected to the MEM-AP.
+ * @param ap The MEM-AP to access.
  * @param address Address to be written; it must be writable by
  *     the currently selected MEM-AP.
  * @param value Word that will be written to the address when transaction
  *
  * @return ERROR_OK for success.  Otherwise a fault code.
  */
-static int mem_ap_write_u32(struct adiv5_ap *ap, uint32_t address,
+int mem_ap_write_u32(struct adiv5_ap *ap, uint32_t address,
                uint32_t value)
 {
        int retval;
 
+       dap_ap_select(ap->dap, ap->ap_num);
+
        /* Use banked addressing (REG_BDx) to avoid some link traffic
         * (updating TAR) when writing several consecutive addresses.
         */
  * Synchronous write of a word to memory or a system register.
  * As a side effect, this flushes any queued transactions.
  *
- * @param dap The DAP connected to the MEM-AP.
+ * @param ap The MEM-AP to access.
  * @param address Address to be written; it must be writable by
  *     the currently selected MEM-AP.
  * @param value Word that will be written.
  *
  * @return ERROR_OK for success; the data was written.  Otherwise a fault code.
  */
-static int mem_ap_write_atomic_u32(struct adiv5_ap *ap, uint32_t address,
+int mem_ap_write_atomic_u32(struct adiv5_ap *ap, uint32_t address,
                uint32_t value)
 {
        int retval = mem_ap_write_u32(ap, address, value);
 /**
  * Synchronous write of a block of memory, using a specific access size.
  *
- * @param dap The DAP connected to the MEM-AP.
+ * @param ap The MEM-AP to access.
  * @param buffer The data buffer to write. No particular alignment is assumed.
  * @param size Which access size to use, in bytes. 1, 2 or 4.
  * @param count The number of writes to do (in size units, not bytes).
        if (ap->unaligned_access_bad && (address % size != 0))
                return ERROR_TARGET_UNALIGNED_ACCESS;
 
+       dap_ap_select(ap->dap, ap->ap_num);
+
        retval = mem_ap_setup_tar(ap, address ^ addr_xor);
        if (retval != ERROR_OK)
                return retval;
 /**
  * Synchronous read of a block of memory, using a specific access size.
  *
- * @param dap The DAP connected to the MEM-AP.
+ * @param ap The MEM-AP to access.
  * @param buffer The data buffer to receive the data. No particular alignment is assumed.
  * @param size Which access size to use, in bytes. 1, 2 or 4.
  * @param count The number of reads to do (in size units, not bytes).
                return ERROR_FAIL;
        }
 
+       dap_ap_select(ap->dap, ap->ap_num);
+
        retval = mem_ap_setup_tar(ap, address);
        if (retval != ERROR_OK) {
                free(read_buf);
        return retval;
 }
 
-/*--------------------------------------------------------------------*/
-/*          Wrapping function with selection of AP                    */
-/*--------------------------------------------------------------------*/
-int mem_ap_sel_read_u32(struct adiv5_ap *ap,
-               uint32_t address, uint32_t *value)
-{
-       dap_ap_select(ap->dap, ap->ap_num);
-       return mem_ap_read_u32(ap, address, value);
-}
-
-int mem_ap_sel_write_u32(struct adiv5_ap *ap,
-               uint32_t address, uint32_t value)
-{
-       dap_ap_select(ap->dap, ap->ap_num);
-       return mem_ap_write_u32(ap, address, value);
-}
-
-int mem_ap_sel_read_atomic_u32(struct adiv5_ap *ap,
-               uint32_t address, uint32_t *value)
-{
-       dap_ap_select(ap->dap, ap->ap_num);
-       return mem_ap_read_atomic_u32(ap, address, value);
-}
-
-int mem_ap_sel_write_atomic_u32(struct adiv5_ap *ap,
-               uint32_t address, uint32_t value)
-{
-       dap_ap_select(ap->dap, ap->ap_num);
-       return mem_ap_write_atomic_u32(ap, address, value);
-}
-
-int mem_ap_sel_read_buf(struct adiv5_ap *ap,
+int mem_ap_read_buf(struct adiv5_ap *ap,
                uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address)
 {
-       dap_ap_select(ap->dap, ap->ap_num);
        return mem_ap_read(ap, buffer, size, count, address, true);
 }
 
-int mem_ap_sel_write_buf(struct adiv5_ap *ap,
+int mem_ap_write_buf(struct adiv5_ap *ap,
                const uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address)
 {
-       dap_ap_select(ap->dap, ap->ap_num);
        return mem_ap_write(ap, buffer, size, count, address, true);
 }
 
-int mem_ap_sel_read_buf_noincr(struct adiv5_ap *ap,
+int mem_ap_read_buf_noincr(struct adiv5_ap *ap,
                uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address)
 {
-       dap_ap_select(ap->dap, ap->ap_num);
        return mem_ap_read(ap, buffer, size, count, address, false);
 }
 
-int mem_ap_sel_write_buf_noincr(struct adiv5_ap *ap,
+int mem_ap_write_buf_noincr(struct adiv5_ap *ap,
                const uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address)
 {
-       dap_ap_select(ap->dap, ap->ap_num);
        return mem_ap_write(ap, buffer, size, count, address, false);
 }
 
        ap_old = dap_ap_get_select(dap);
 
        do {
-               retval = mem_ap_sel_read_atomic_u32(ap, (dbgbase&0xFFFFF000) |
+               retval = mem_ap_read_atomic_u32(ap, (dbgbase&0xFFFFF000) |
                                                entry_offset, &romentry);
                if (retval != ERROR_OK)
                        return retval;
 
                if (romentry & 0x1) {
                        uint32_t c_cid1;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base | 0xff4, &c_cid1);
+                       retval = mem_ap_read_atomic_u32(ap, component_base | 0xff4, &c_cid1);
                        if (retval != ERROR_OK) {
                                LOG_ERROR("Can't read component with base address 0x%" PRIx32
                                          ", the corresponding core might be turned off", component_base);
                                        return retval;
                        }
 
-                       retval = mem_ap_sel_read_atomic_u32(ap,
+                       retval = mem_ap_read_atomic_u32(ap,
                                        (component_base & 0xfffff000) | 0xfcc,
                                        &devtype);
                        if (retval != ERROR_OK)
                command_print(cmd_ctx, "\t%sROM table in legacy format", tabs);
 
        /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec  */
-       retval = mem_ap_sel_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF0, &cid0);
+       retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF0, &cid0);
        if (retval != ERROR_OK)
                return retval;
-       retval = mem_ap_sel_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF4, &cid1);
+       retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF4, &cid1);
        if (retval != ERROR_OK)
                return retval;
-       retval = mem_ap_sel_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF8, &cid2);
+       retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF8, &cid2);
        if (retval != ERROR_OK)
                return retval;
-       retval = mem_ap_sel_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFFC, &cid3);
+       retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFFC, &cid3);
        if (retval != ERROR_OK)
                return retval;
-       retval = mem_ap_sel_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFCC, &memtype);
+       retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFCC, &memtype);
        if (retval != ERROR_OK)
                return retval;
        retval = dap_run(dap);
 
        /* Now we read ROM table entries from dbgbase&0xFFFFF000) | 0x000 until we get 0x00000000 */
        for (entry_offset = 0; ; entry_offset += 4) {
-               retval = mem_ap_sel_read_atomic_u32(ap, (dbgbase&0xFFFFF000) | entry_offset, &romentry);
+               retval = mem_ap_read_atomic_u32(ap, (dbgbase&0xFFFFF000) | entry_offset, &romentry);
                if (retval != ERROR_OK)
                        return retval;
                command_print(cmd_ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "",
                        component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000);
 
                        /* IDs are in last 4K section */
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFE0, &c_pid0);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFE0, &c_pid0);
                        if (retval != ERROR_OK) {
                                command_print(cmd_ctx, "\t%s\tCan't read component with base address 0x%" PRIx32
                                              ", the corresponding core might be turned off", tabs, component_base);
                                continue;
                        }
                        c_pid0 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFE4, &c_pid1);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFE4, &c_pid1);
                        if (retval != ERROR_OK)
                                return retval;
                        c_pid1 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFE8, &c_pid2);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFE8, &c_pid2);
                        if (retval != ERROR_OK)
                                return retval;
                        c_pid2 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFEC, &c_pid3);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFEC, &c_pid3);
                        if (retval != ERROR_OK)
                                return retval;
                        c_pid3 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFD0, &c_pid4);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFD0, &c_pid4);
                        if (retval != ERROR_OK)
                                return retval;
                        c_pid4 &= 0xff;
 
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFF0, &c_cid0);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF0, &c_cid0);
                        if (retval != ERROR_OK)
                                return retval;
                        c_cid0 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFF4, &c_cid1);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF4, &c_cid1);
                        if (retval != ERROR_OK)
                                return retval;
                        c_cid1 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFF8, &c_cid2);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF8, &c_cid2);
                        if (retval != ERROR_OK)
                                return retval;
                        c_cid2 &= 0xff;
-                       retval = mem_ap_sel_read_atomic_u32(ap, component_base + 0xFFC, &c_cid3);
+                       retval = mem_ap_read_atomic_u32(ap, component_base + 0xFFC, &c_cid3);
                        if (retval != ERROR_OK)
                                return retval;
                        c_cid3 &= 0xff;
                                unsigned minor;
                                const char *major = "Reserved", *subtype = "Reserved";
 
-                               retval = mem_ap_sel_read_atomic_u32(ap,
+                               retval = mem_ap_read_atomic_u32(ap,
                                                (component_base & 0xfffff000) | 0xfcc,
                                                &devtype);
                                if (retval != ERROR_OK)
 
 /* AP selection applies to future AP transactions */
 void dap_ap_select(struct adiv5_dap *dap, uint8_t ap);
 
-/* Queued MEM-AP memory mapped single word transfers with selection of ap */
-int mem_ap_sel_read_u32(struct adiv5_ap *ap,
+/* Queued MEM-AP memory mapped single word transfers. */
+int mem_ap_read_u32(struct adiv5_ap *ap,
                uint32_t address, uint32_t *value);
-int mem_ap_sel_write_u32(struct adiv5_ap *ap,
+int mem_ap_write_u32(struct adiv5_ap *ap,
                uint32_t address, uint32_t value);
 
-/* Synchronous MEM-AP memory mapped single word transfers with selection of ap */
-int mem_ap_sel_read_atomic_u32(struct adiv5_ap *ap,
+/* Synchronous MEM-AP memory mapped single word transfers. */
+int mem_ap_read_atomic_u32(struct adiv5_ap *ap,
                uint32_t address, uint32_t *value);
-int mem_ap_sel_write_atomic_u32(struct adiv5_ap *ap,
+int mem_ap_write_atomic_u32(struct adiv5_ap *ap,
                uint32_t address, uint32_t value);
 
-/* Synchronous MEM-AP memory mapped bus block transfers with selection of ap */
-int mem_ap_sel_read_buf(struct adiv5_ap *ap,
+/* Synchronous MEM-AP memory mapped bus block transfers. */
+int mem_ap_read_buf(struct adiv5_ap *ap,
                uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address);
-int mem_ap_sel_write_buf(struct adiv5_ap *ap,
+int mem_ap_write_buf(struct adiv5_ap *ap,
                const uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address);
 
-/* Synchronous, non-incrementing buffer functions for accessing fifos, with
- * selection of ap */
-int mem_ap_sel_read_buf_noincr(struct adiv5_ap *ap,
+/* Synchronous, non-incrementing buffer functions for accessing fifos. */
+int mem_ap_read_buf_noincr(struct adiv5_ap *ap,
                uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address);
-int mem_ap_sel_write_buf_noincr(struct adiv5_ap *ap,
+int mem_ap_write_buf_noincr(struct adiv5_ap *ap,
                const uint8_t *buffer, uint32_t size, uint32_t count, uint32_t address);
 
 /* Create DAP struct */
 
 
        /* Unlocking the debug registers for modification
         * The debugport might be uninitialised so try twice */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_LOCKACCESS, 0xC5ACCE55);
        if (retval != ERROR_OK) {
                /* try again */
-               retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_LOCKACCESS, 0xC5ACCE55);
                if (retval == ERROR_OK)
                        LOG_USER(
        switch (cortex_part_num) {
        case CORTEX_A7_PARTNUM:
        case CORTEX_A15_PARTNUM:
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                                    armv7a->debug_base + CPUDBG_OSLSR,
                                                    &dbg_osreg);
                if (retval != ERROR_OK)
 
                if (dbg_osreg & CPUDBG_OSLAR_LK_MASK)
                        /* Unlocking the DEBUG OS registers for modification */
-                       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+                       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                                             armv7a->debug_base + CPUDBG_OSLAR,
                                                             0);
                break;
                return retval;
        /* Clear Sticky Power Down status Bit in PRSR to enable access to
           the registers in the Core Power Domain */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_PRSR, &dbg_osreg);
        LOG_DEBUG("target->coreid %" PRId32 " DBGPRSR  0x%" PRIx32, target->coreid, dbg_osreg);
 
                return retval;
 
        /* Disable cacheline fills and force cache write-through in debug state */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCCR, 0);
        if (retval != ERROR_OK)
                return retval;
 
        /* Disable TLB lookup and refill/eviction in debug state */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSMCR, 0);
        if (retval != ERROR_OK)
                return retval;
        long long then = timeval_ms();
        while ((*dscr & DSCR_INSTR_COMP) == 0 || force) {
                force = false;
-               int retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               int retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, dscr);
                if (retval != ERROR_OK) {
                        LOG_ERROR("Could not read DSCR register");
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_write_u32(armv7a->debug_ap,
+       retval = mem_ap_write_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_ITR, opcode);
        if (retval != ERROR_OK)
                return retval;
 
        long long then = timeval_ms();
        do {
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
                if (retval != ERROR_OK) {
                        LOG_ERROR("Could not read DSCR register");
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_read_buf(armv7a->memory_ap,
+       retval = mem_ap_read_buf(armv7a->memory_ap,
                        (uint8_t *)(®file[1]), 4, 15, address);
 
        return retval;
        /* Wait for DTRRXfull then read DTRRTX */
        long long then = timeval_ms();
        while ((dscr & DSCR_DTR_TX_FULL) == 0) {
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
                if (retval != ERROR_OK)
                        return retval;
                }
        }
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRTX, value);
        LOG_DEBUG("read DCC 0x%08" PRIx32, *value);
 
        LOG_DEBUG("register %i, value 0x%08" PRIx32, regnum, value);
 
        /* Check that DCCRX is not full */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
 
        /* Write DTRRX ... sets DSCR.DTRRXfull but exec_opcode() won't care */
        LOG_DEBUG("write DCC 0x%08" PRIx32, value);
-       retval = mem_ap_sel_write_u32(armv7a->debug_ap,
+       retval = mem_ap_write_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRRX, value);
        if (retval != ERROR_OK)
                return retval;
        int retval;
        struct armv7a_common *armv7a = target_to_armv7a(target);
 
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap, address, value);
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap, address, value);
 
        return retval;
 }
 static int cortex_a_write_dcc(struct cortex_a_common *a, uint32_t data)
 {
        LOG_DEBUG("write DCC 0x%08" PRIx32, data);
-       return mem_ap_sel_write_u32(a->armv7a_common.debug_ap,
+       return mem_ap_write_u32(a->armv7a_common.debug_ap,
                        a->armv7a_common.debug_base + CPUDBG_DTRRX, data);
 }
 
        /* Wait for DTRRXfull */
        long long then = timeval_ms();
        while ((dscr & DSCR_DTR_TX_FULL) == 0) {
-               retval = mem_ap_sel_read_atomic_u32(a->armv7a_common.debug_ap,
+               retval = mem_ap_read_atomic_u32(a->armv7a_common.debug_ap,
                                a->armv7a_common.debug_base + CPUDBG_DSCR,
                                &dscr);
                if (retval != ERROR_OK)
                }
        }
 
-       retval = mem_ap_sel_read_atomic_u32(a->armv7a_common.debug_ap,
+       retval = mem_ap_read_atomic_u32(a->armv7a_common.debug_ap,
                        a->armv7a_common.debug_base + CPUDBG_DTRTX, data);
        if (retval != ERROR_OK)
                return retval;
        /* set up invariant:  INSTR_COMP is set after ever DPM operation */
        long long then = timeval_ms();
        for (;; ) {
-               retval = mem_ap_sel_read_atomic_u32(a->armv7a_common.debug_ap,
+               retval = mem_ap_read_atomic_u32(a->armv7a_common.debug_ap,
                                a->armv7a_common.debug_base + CPUDBG_DSCR,
                                &dscr);
                if (retval != ERROR_OK)
                target_call_event_callbacks(target, TARGET_EVENT_HALTED);
                return retval;
        }
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
         * Tell the core to be halted by writing DRCR with 0x1
         * and then wait for the core to be halted.
         */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DRCR, DRCR_HALT);
        if (retval != ERROR_OK)
                return retval;
        /*
         * enter halting debug mode
         */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, dscr | DSCR_HALT_DBG_MODE);
        if (retval != ERROR_OK)
                return retval;
 
        long long then = timeval_ms();
        for (;; ) {
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
                if (retval != ERROR_OK)
                        return retval;
         * disable IRQs by default, with optional override...
         */
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
        if ((dscr & DSCR_INSTR_COMP) == 0)
                LOG_ERROR("DSCR InstrCompl must be set before leaving debug!");
 
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, dscr & ~DSCR_ITR_EN);
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DRCR, DRCR_RESTART |
                        DRCR_CLEAR_EXCEPTIONS);
        if (retval != ERROR_OK)
 
        long long then = timeval_ms();
        for (;; ) {
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
                if (retval != ERROR_OK)
                        return retval;
        LOG_DEBUG("dscr = 0x%08" PRIx32, cortex_a->cpudbg_dscr);
 
        /* REVISIT surely we should not re-read DSCR !! */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
 
        /* Enable the ITR execution once we are in debug mode */
        dscr |= DSCR_ITR_EN;
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, dscr);
        if (retval != ERROR_OK)
                return retval;
        if (target->debug_reason == DBG_REASON_WATCHPOINT) {
                uint32_t wfar;
 
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_WFAR,
                                &wfar);
                if (retval != ERROR_OK)
        uint32_t dscr;
 
        /* Read DSCR */
-       int retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       int retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (ERROR_OK != retval)
                return retval;
        dscr |= value & bit_mask;
 
        /* write new DSCR */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, dscr);
        return retval;
 }
        uint32_t new_dscr = (*dscr & ~DSCR_EXT_DCC_MASK) | mode;
        if (new_dscr != *dscr) {
                struct armv7a_common *armv7a = target_to_armv7a(target);
-               int retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               int retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, new_dscr);
                if (retval == ERROR_OK)
                        *dscr = new_dscr;
        int retval;
 
        while ((*dscr & mask) != value) {
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, dscr);
                if (retval != ERROR_OK)
                        return retval;
                return retval;
 
        /* Read the value transferred to DTRTX. */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRTX, data);
        if (retval != ERROR_OK)
                return retval;
        struct armv7a_common *armv7a = target_to_armv7a(target);
 
        /* Write the value into DTRRX. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRRX, data);
        if (retval != ERROR_OK)
                return retval;
                        data = target_buffer_get_u16(target, buffer);
                else
                        data = target_buffer_get_u32(target, buffer);
-               retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DTRRX, data);
                if (retval != ERROR_OK)
                        return retval;
                return retval;
 
        /* Latch STC instruction. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_ITR, ARMV4_5_STC(0, 1, 0, 1, 14, 5, 0, 4));
        if (retval != ERROR_OK)
                return retval;
 
        /* Transfer all the data and issue all the instructions. */
-       return mem_ap_sel_write_buf_noincr(armv7a->debug_ap, buffer,
+       return mem_ap_write_buf_noincr(armv7a->debug_ap, buffer,
                        4, count, armv7a->debug_base + CPUDBG_DTRRX);
 }
 
                return ERROR_OK;
 
        /* Clear any abort. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DRCR, DRCR_CLEAR_EXCEPTIONS);
        if (retval != ERROR_OK)
                return retval;
 
        /* Read DSCR. */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
                goto out;
 
        /* Get the memory address into R0. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRRX, address);
        if (retval != ERROR_OK)
                goto out;
        /* If there were any sticky abort flags, clear them. */
        if (dscr & (DSCR_STICKY_ABORT_PRECISE | DSCR_STICKY_ABORT_IMPRECISE)) {
                fault_dscr = dscr;
-               mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DRCR, DRCR_CLEAR_EXCEPTIONS);
                dscr &= ~(DSCR_STICKY_ABORT_PRECISE | DSCR_STICKY_ABORT_IMPRECISE);
        } else {
        /* If the DCC is nonempty, clear it. */
        if (dscr & DSCR_DTRTX_FULL_LATCHED) {
                uint32_t dummy;
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DTRTX, &dummy);
                if (final_retval == ERROR_OK)
                        final_retval = retval;
                        return retval;
 
                /* Read the value transferred to DTRTX into the buffer. */
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DTRTX, &data);
                if (retval != ERROR_OK)
                        return retval;
                        return retval;
 
                /* Latch LDC instruction. */
-               retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_ITR, ARMV4_5_LDC(0, 1, 0, 1, 14, 5, 0, 4));
                if (retval != ERROR_OK)
                        return retval;
                 * memory. The last read of DTRTX in this call reads the second-to-last
                 * word from memory and issues the read instruction for the last word.
                 */
-               retval = mem_ap_sel_read_buf_noincr(armv7a->debug_ap, buffer,
+               retval = mem_ap_read_buf_noincr(armv7a->debug_ap, buffer,
                                4, count, armv7a->debug_base + CPUDBG_DTRTX);
                if (retval != ERROR_OK)
                        return retval;
 
        /* Read the value transferred to DTRTX into the buffer. This is the last
         * word. */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRTX, &u32);
        if (retval != ERROR_OK)
                return retval;
                return ERROR_OK;
 
        /* Clear any abort. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DRCR, DRCR_CLEAR_EXCEPTIONS);
        if (retval != ERROR_OK)
                return retval;
 
        /* Read DSCR */
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DSCR, &dscr);
        if (retval != ERROR_OK)
                return retval;
                goto out;
 
        /* Get the memory address into R0. */
-       retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DTRRX, address);
        if (retval != ERROR_OK)
                goto out;
        /* If there were any sticky abort flags, clear them. */
        if (dscr & (DSCR_STICKY_ABORT_PRECISE | DSCR_STICKY_ABORT_IMPRECISE)) {
                fault_dscr = dscr;
-               mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               mem_ap_write_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DRCR, DRCR_CLEAR_EXCEPTIONS);
                dscr &= ~(DSCR_STICKY_ABORT_PRECISE | DSCR_STICKY_ABORT_IMPRECISE);
        } else {
        /* If the DCC is nonempty, clear it. */
        if (dscr & DSCR_DTRTX_FULL_LATCHED) {
                uint32_t dummy;
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DTRTX, &dummy);
                if (final_retval == ERROR_OK)
                        final_retval = retval;
        if (!count || !buffer)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       retval = mem_ap_sel_read_buf(armv7a->memory_ap, buffer, size, count, address);
+       retval = mem_ap_read_buf(armv7a->memory_ap, buffer, size, count, address);
 
        return retval;
 }
        if (!count || !buffer)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       retval = mem_ap_sel_write_buf(armv7a->memory_ap, buffer, size, count, address);
+       retval = mem_ap_write_buf(armv7a->memory_ap, buffer, size, count, address);
 
        return retval;
 }
        if (target->state == TARGET_RUNNING) {
                uint32_t request;
                uint32_t dscr;
-               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
 
                /* check if we have data */
                while ((dscr & DSCR_DTR_TX_FULL) && (retval == ERROR_OK)) {
-                       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+                       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                        armv7a->debug_base + CPUDBG_DTRTX, &request);
                        if (retval == ERROR_OK) {
                                target_request(target, request);
-                               retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+                               retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                                armv7a->debug_base + CPUDBG_DSCR, &dscr);
                        }
                }
        } else
                armv7a->debug_base = target->dbgbase;
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_CPUID, &cpuid);
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_CPUID, &cpuid);
        if (retval != ERROR_OK) {
                LOG_DEBUG("Examine %s failed", "CPUID");
                return retval;
        }
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_CTYPR, &ctypr);
        if (retval != ERROR_OK) {
                LOG_DEBUG("Examine %s failed", "CTYPR");
                return retval;
        }
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_TTYPR, &ttypr);
        if (retval != ERROR_OK) {
                LOG_DEBUG("Examine %s failed", "TTYPR");
                return retval;
        }
 
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                        armv7a->debug_base + CPUDBG_DIDR, &didr);
        if (retval != ERROR_OK) {
                LOG_DEBUG("Examine %s failed", "DIDR");
        if ((cpuid & CORTEX_A_MIDR_PARTNUM_MASK) >> CORTEX_A_MIDR_PARTNUM_SHIFT ==
                CORTEX_A15_PARTNUM) {
 
-               retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                                     armv7a->debug_base + CPUDBG_OSLAR,
                                                     0);
 
        if ((cpuid & CORTEX_A_MIDR_PARTNUM_MASK) >> CORTEX_A_MIDR_PARTNUM_SHIFT ==
                CORTEX_A7_PARTNUM) {
 
-               retval = mem_ap_sel_write_atomic_u32(armv7a->debug_ap,
+               retval = mem_ap_write_atomic_u32(armv7a->debug_ap,
                                                     armv7a->debug_base + CPUDBG_OSLAR,
                                                     0);
 
                        return retval;
 
        }
-       retval = mem_ap_sel_read_atomic_u32(armv7a->debug_ap,
+       retval = mem_ap_read_atomic_u32(armv7a->debug_ap,
                                            armv7a->debug_base + CPUDBG_PRSR, &dbg_osreg);
 
        if (retval != ERROR_OK)
 
        /* because the DCB_DCRDR is used for the emulated dcc channel
         * we have to save/restore the DCB_DCRDR when used */
        if (target->dbg_msg_enabled) {
-               retval = mem_ap_sel_read_u32(armv7m->debug_ap, DCB_DCRDR, &dcrdr);
+               retval = mem_ap_read_u32(armv7m->debug_ap, DCB_DCRDR, &dcrdr);
                if (retval != ERROR_OK)
                        return retval;
        }
 
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DCRSR, regnum);
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DCRSR, regnum);
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DCRDR, value);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DCRDR, value);
        if (retval != ERROR_OK)
                return retval;
 
                /* restore DCB_DCRDR - this needs to be in a separate
                 * transaction otherwise the emulated DCC channel breaks */
                if (retval == ERROR_OK)
-                       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DCRDR, dcrdr);
+                       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DCRDR, dcrdr);
        }
 
        return retval;
        /* because the DCB_DCRDR is used for the emulated dcc channel
         * we have to save/restore the DCB_DCRDR when used */
        if (target->dbg_msg_enabled) {
-               retval = mem_ap_sel_read_u32(armv7m->debug_ap, DCB_DCRDR, &dcrdr);
+               retval = mem_ap_read_u32(armv7m->debug_ap, DCB_DCRDR, &dcrdr);
                if (retval != ERROR_OK)
                        return retval;
        }
 
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DCRDR, value);
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DCRDR, value);
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DCRSR, regnum | DCRSR_WnR);
+       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DCRSR, regnum | DCRSR_WnR);
        if (retval != ERROR_OK)
                return retval;
 
                /* restore DCB_DCRDR - this needs to be in a seperate
                 * transaction otherwise the emulated DCC channel breaks */
                if (retval == ERROR_OK)
-                       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DCRDR, dcrdr);
+                       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DCRDR, dcrdr);
        }
 
        return retval;
        /* create new register mask */
        cortex_m->dcb_dhcsr |= DBGKEY | C_DEBUGEN | mask_on;
 
-       return mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR, cortex_m->dcb_dhcsr);
+       return mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR, cortex_m->dcb_dhcsr);
 }
 
 static int cortex_m_clear_halt(struct target *target)
        cortex_m_write_debug_halt_mask(target, C_HALT, C_STEP);
 
        /* Read Debug Fault Status Register */
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR, &cortex_m->nvic_dfsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR, &cortex_m->nvic_dfsr);
        if (retval != ERROR_OK)
                return retval;
 
        /* Clear Debug Fault Status */
-       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, NVIC_DFSR, cortex_m->nvic_dfsr);
+       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, NVIC_DFSR, cortex_m->nvic_dfsr);
        if (retval != ERROR_OK)
                return retval;
        LOG_DEBUG(" NVIC_DFSR 0x%" PRIx32 "", cortex_m->nvic_dfsr);
         * HALT can put the core into an unknown state.
         */
        if (!(cortex_m->dcb_dhcsr & C_MASKINTS)) {
-               retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
+               retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
                                DBGKEY | C_MASKINTS | C_HALT | C_DEBUGEN);
                if (retval != ERROR_OK)
                        return retval;
        }
-       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
+       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
                        DBGKEY | C_MASKINTS | C_STEP | C_DEBUGEN);
        if (retval != ERROR_OK)
                return retval;
        struct cortex_m_dwt_comparator *dwt_list = cortex_m->dwt_comparator_list;
 
        /* REVISIT The four debug monitor bits are currently ignored... */
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &dcb_demcr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &dcb_demcr);
        if (retval != ERROR_OK)
                return retval;
        LOG_DEBUG("DCB_DEMCR = 0x%8.8" PRIx32 "", dcb_demcr);
 
        /* this register is used for emulated dcc channel */
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DCRDR, 0);
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DCRDR, 0);
        if (retval != ERROR_OK)
                return retval;
 
        /* Enable debug requests */
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
        if (retval != ERROR_OK)
                return retval;
        if (!(cortex_m->dcb_dhcsr & C_DEBUGEN)) {
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_DEBUGEN);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_DEBUGEN);
                if (retval != ERROR_OK)
                        return retval;
        }
         * choices *EXCEPT* explicitly scripted overrides like "vector_catch"
         * or manual updates to the NVIC SHCSR and CCR registers.
         */
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DEMCR, TRCENA | armv7m->demcr);
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DEMCR, TRCENA | armv7m->demcr);
        if (retval != ERROR_OK)
                return retval;
 
        register_cache_invalidate(armv7m->arm.core_cache);
 
        /* make sure we have latest dhcsr flags */
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
 
        return retval;
 }
        struct adiv5_dap *swjdp = armv7m->arm.dap;
        int retval;
 
-       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_SHCSR, &shcsr);
+       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_SHCSR, &shcsr);
        if (retval != ERROR_OK)
                return retval;
        switch (armv7m->exception_number) {
                case 2: /* NMI */
                        break;
                case 3: /* Hard Fault */
-                       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, NVIC_HFSR, &except_sr);
+                       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_HFSR, &except_sr);
                        if (retval != ERROR_OK)
                                return retval;
                        if (except_sr & 0x40000000) {
-                               retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_CFSR, &cfsr);
+                               retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_CFSR, &cfsr);
                                if (retval != ERROR_OK)
                                        return retval;
                        }
                        break;
                case 4: /* Memory Management */
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
                        if (retval != ERROR_OK)
                                return retval;
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_MMFAR, &except_ar);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_MMFAR, &except_ar);
                        if (retval != ERROR_OK)
                                return retval;
                        break;
                case 5: /* Bus Fault */
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
                        if (retval != ERROR_OK)
                                return retval;
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_BFAR, &except_ar);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_BFAR, &except_ar);
                        if (retval != ERROR_OK)
                                return retval;
                        break;
                case 6: /* Usage Fault */
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_CFSR, &except_sr);
                        if (retval != ERROR_OK)
                                return retval;
                        break;
                case 11:        /* SVCall */
                        break;
                case 12:        /* Debug Monitor */
-                       retval = mem_ap_sel_read_u32(armv7m->debug_ap, NVIC_DFSR, &except_sr);
+                       retval = mem_ap_read_u32(armv7m->debug_ap, NVIC_DFSR, &except_sr);
                        if (retval != ERROR_OK)
                                return retval;
                        break;
        LOG_DEBUG(" ");
 
        cortex_m_clear_halt(target);
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
        if (retval != ERROR_OK)
                return retval;
 
        struct armv7m_common *armv7m = &cortex_m->armv7m;
 
        /* Read from Debug Halting Control and Status Register */
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
        if (retval != ERROR_OK) {
                target->state = TARGET_UNKNOWN;
                return retval;
                detected_failure = ERROR_FAIL;
 
                /* refresh status bits */
-               retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+               retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
                if (retval != ERROR_OK)
                        return retval;
        }
        LOG_WARNING("soft_reset_halt is deprecated, please use 'reset halt' instead.");
 
        /* Enter debug state on reset; restore DEMCR in endreset_event() */
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DEMCR,
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DEMCR,
                        TRCENA | VC_HARDERR | VC_BUSERR | VC_CORERESET);
        if (retval != ERROR_OK)
                return retval;
 
        /* Request a core-only reset */
-       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, NVIC_AIRCR,
+       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, NVIC_AIRCR,
                        AIRCR_VECTKEY | AIRCR_VECTRESET);
        if (retval != ERROR_OK)
                return retval;
        register_cache_invalidate(cortex_m->armv7m.arm.core_cache);
 
        while (timeout < 100) {
-               retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &dcb_dhcsr);
+               retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &dcb_dhcsr);
                if (retval == ERROR_OK) {
-                       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR,
+                       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR,
                                        &cortex_m->nvic_dfsr);
                        if (retval != ERROR_OK)
                                return retval;
 
                                        /* Wait for pending handlers to complete or timeout */
                                        do {
-                                               retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap,
+                                               retval = mem_ap_read_atomic_u32(armv7m->debug_ap,
                                                                DCB_DHCSR,
                                                                &cortex_m->dcb_dhcsr);
                                                if (retval != ERROR_OK) {
                }
        }
 
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
        if (retval != ERROR_OK)
                return retval;
 
 
        /* Enable debug requests */
        int retval;
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
        if (retval != ERROR_OK)
                return retval;
        if (!(cortex_m->dcb_dhcsr & C_DEBUGEN)) {
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_DEBUGEN);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_DEBUGEN);
                if (retval != ERROR_OK)
                        return retval;
        }
        /* If the processor is sleeping in a WFI or WFE instruction, the
         * C_HALT bit must be asserted to regain control */
        if (cortex_m->dcb_dhcsr & S_SLEEP) {
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN);
                if (retval != ERROR_OK)
                        return retval;
        }
 
-       retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DCRDR, 0);
+       retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DCRDR, 0);
        if (retval != ERROR_OK)
                return retval;
 
        if (!target->reset_halt) {
                /* Set/Clear C_MASKINTS in a separate operation */
                if (cortex_m->dcb_dhcsr & C_MASKINTS) {
-                       retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
+                       retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DHCSR,
                                        DBGKEY | C_DEBUGEN | C_HALT);
                        if (retval != ERROR_OK)
                                return retval;
                 * bad vector table entries.  Should this include MMERR or
                 * other flags too?
                 */
-               retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, DCB_DEMCR,
+               retval = mem_ap_write_atomic_u32(armv7m->debug_ap, DCB_DEMCR,
                                TRCENA | VC_HARDERR | VC_BUSERR | VC_CORERESET);
                if (retval != ERROR_OK)
                        return retval;
                                "handler to reset any peripherals or configure hardware srst support.");
                }
 
-               retval = mem_ap_sel_write_atomic_u32(armv7m->debug_ap, NVIC_AIRCR,
+               retval = mem_ap_write_atomic_u32(armv7m->debug_ap, NVIC_AIRCR,
                                AIRCR_VECTKEY | ((reset_config == CORTEX_M_RESET_SYSRESETREQ)
                                ? AIRCR_SYSRESETREQ : AIRCR_VECTRESET));
                if (retval != ERROR_OK)
                         * after reset) on LM3S6918 -- Michael Schwingen
                         */
                        uint32_t tmp;
-                       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, NVIC_AIRCR, &tmp);
+                       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_AIRCR, &tmp);
                        if (retval != ERROR_OK)
                                return retval;
                }
                        return ERROR_TARGET_UNALIGNED_ACCESS;
        }
 
-       return mem_ap_sel_read_buf(armv7m->debug_ap, buffer, size, count, address);
+       return mem_ap_read_buf(armv7m->debug_ap, buffer, size, count, address);
 }
 
 static int cortex_m_write_memory(struct target *target, uint32_t address,
                        return ERROR_TARGET_UNALIGNED_ACCESS;
        }
 
-       return mem_ap_sel_write_buf(armv7m->debug_ap, buffer, size, count, address);
+       return mem_ap_write_buf(armv7m->debug_ap, buffer, size, count, address);
 }
 
 static int cortex_m_init_target(struct command_context *cmd_ctx,
        uint8_t buf[2];
        int retval;
 
-       retval = mem_ap_sel_read_buf_noincr(armv7m->debug_ap, buf, 2, 1, DCB_DCRDR);
+       retval = mem_ap_read_buf_noincr(armv7m->debug_ap, buf, 2, 1, DCB_DCRDR);
        if (retval != ERROR_OK)
                return retval;
 
         * signify we have read data */
        if (dcrdr & (1 << 0)) {
                target_buffer_set_u16(target, buf, 0);
-               retval = mem_ap_sel_write_buf_noincr(armv7m->debug_ap, buf, 2, 1, DCB_DCRDR);
+               retval = mem_ap_write_buf_noincr(armv7m->debug_ap, buf, 2, 1, DCB_DCRDR);
                if (retval != ERROR_OK)
                        return retval;
        }
        if (retval != ERROR_OK)
                return retval;
 
-       retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &demcr);
+       retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &demcr);
        if (retval != ERROR_OK)
                return retval;
 
                demcr |= catch;
 
                /* write, but don't assume it stuck (why not??) */
-               retval = mem_ap_sel_write_u32(armv7m->debug_ap, DCB_DEMCR, demcr);
+               retval = mem_ap_write_u32(armv7m->debug_ap, DCB_DEMCR, demcr);
                if (retval != ERROR_OK)
                        return retval;
-               retval = mem_ap_sel_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &demcr);
+               retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &demcr);
                if (retval != ERROR_OK)
                        return retval;