scan_field_t -> struct scan_field
[fw/openocd] / src / target / arm_adi_v5.c
index a77daa70efbc6ef02d0ba6e1a07848d9bfdeeef7..7fc22d0ef61d0afddd00cc9989fa0bdd159d1dc7 100644 (file)
@@ -29,8 +29,8 @@
  *                                                                         *
  * ARM(tm) Debug Interface v5 Architecture Specification    ARM IHI 0031A  *
  *                                                                         *
- * CoreSight(tm) DAP-Lite TRM, ARM DDI 0316A                               *
- * Cortex-M3(tm) TRM, ARM DDI 0337C                                        *
+ * CoreSight(tm) DAP-Lite TRM, ARM DDI 0316D                               *
+ * Cortex-M3(tm) TRM, ARM DDI 0337G                                        *
  *                                                                         *
 ***************************************************************************/
 
@@ -74,14 +74,14 @@ static uint32_t max_tar_block_size(uint32_t tar_autoincr_block, uint32_t address
 int adi_jtag_dp_scan(swjdp_common_t *swjdp, uint8_t instr, uint8_t reg_addr, uint8_t RnW, uint8_t *outvalue, uint8_t *invalue, uint8_t *ack)
 {
        arm_jtag_t *jtag_info = swjdp->jtag_info;
-       scan_field_t fields[2];
+       struct scan_field fields[2];
        uint8_t out_addr_buf;
 
        jtag_set_end_state(TAP_IDLE);
        arm_jtag_set_instr(jtag_info, instr, NULL);
 
        /* Add specified number of tck clocks before accessing memory bus */
-       if ((instr == DAP_IR_APACC) && ((reg_addr == AP_REG_DRW)||((reg_addr&0xF0) == AP_REG_BD0) )&& (swjdp->memaccess_tck != 0))
+       if ((instr == DAP_IR_APACC) && ((reg_addr == AP_REG_DRW)||((reg_addr&0xF0) == AP_REG_BD0))&& (swjdp->memaccess_tck != 0))
                jtag_add_runtest(swjdp->memaccess_tck, jtag_set_end_state(TAP_IDLE));
 
        fields[0].tap = jtag_info->tap;
@@ -104,7 +104,7 @@ int adi_jtag_dp_scan(swjdp_common_t *swjdp, uint8_t instr, uint8_t reg_addr, uin
 int adi_jtag_dp_scan_u32(swjdp_common_t *swjdp, uint8_t instr, uint8_t reg_addr, uint8_t RnW, uint32_t outvalue, uint32_t *invalue, uint8_t *ack)
 {
        arm_jtag_t *jtag_info = swjdp->jtag_info;
-       scan_field_t fields[2];
+       struct scan_field fields[2];
        uint8_t out_value_buf[4];
        uint8_t out_addr_buf;
 
@@ -112,7 +112,7 @@ int adi_jtag_dp_scan_u32(swjdp_common_t *swjdp, uint8_t instr, uint8_t reg_addr,
        arm_jtag_set_instr(jtag_info, instr, NULL);
 
        /* Add specified number of tck clocks before accessing memory bus */
-       if ((instr == DAP_IR_APACC) && ((reg_addr == AP_REG_DRW)||((reg_addr&0xF0) == AP_REG_BD0) )&& (swjdp->memaccess_tck != 0))
+       if ((instr == DAP_IR_APACC) && ((reg_addr == AP_REG_DRW)||((reg_addr&0xF0) == AP_REG_BD0))&& (swjdp->memaccess_tck != 0))
                jtag_add_runtest(swjdp->memaccess_tck, jtag_set_end_state(TAP_IDLE));
 
        fields[0].tap = jtag_info->tap;
@@ -374,13 +374,13 @@ int dap_setup_accessport(swjdp_common_t *swjdp, uint32_t csw, uint32_t tar)
        if (csw != swjdp->ap_csw_value)
        {
                /* LOG_DEBUG("swjdp : Set CSW %x",csw); */
-               dap_ap_write_reg_u32(swjdp, AP_REG_CSW, csw );
+               dap_ap_write_reg_u32(swjdp, AP_REG_CSW, csw);
                swjdp->ap_csw_value = csw;
        }
        if (tar != swjdp->ap_tar_value)
        {
                /* LOG_DEBUG("swjdp : Set TAR %x",tar); */
-               dap_ap_write_reg_u32(swjdp, AP_REG_TAR, tar );
+               dap_ap_write_reg_u32(swjdp, AP_REG_TAR, tar);
                swjdp->ap_tar_value = tar;
        }
        if (csw & CSW_ADDRINC_MASK)
@@ -404,7 +404,7 @@ int mem_ap_read_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t *value)
        swjdp->trans_mode = TRANS_MODE_COMPOSITE;
 
        dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, address & 0xFFFFFFF0);
-       dap_ap_read_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value );
+       dap_ap_read_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value);
 
        return ERROR_OK;
 }
@@ -428,7 +428,7 @@ int mem_ap_write_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t value)
        swjdp->trans_mode = TRANS_MODE_COMPOSITE;
 
        dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, address & 0xFFFFFFF0);
-       dap_ap_write_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value );
+       dap_ap_write_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value);
 
        return ERROR_OK;
 }
@@ -467,7 +467,7 @@ int mem_ap_write_buf_u32(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint
                        uint32_t outvalue;
                        memcpy(&outvalue, pBuffer, sizeof(uint32_t));
 
-                       for (i = 0; i < 4; i++ )
+                       for (i = 0; i < 4; i++)
                        {
                                *((uint8_t*)pBuffer + (adr & 0x3)) = outvalue;
                                outvalue >>= 8;
@@ -492,7 +492,7 @@ int mem_ap_write_buf_u32(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint
 
                for (writecount = 0; writecount < blocksize; writecount++)
                {
-                       dap_ap_write_reg(swjdp, AP_REG_DRW, buffer + 4 * writecount );
+                       dap_ap_write_reg(swjdp, AP_REG_DRW, buffer + 4 * writecount);
                }
 
                if (swjdp_transaction_endcheck(swjdp) == ERROR_OK)
@@ -546,7 +546,7 @@ int mem_ap_write_buf_packed_u16(swjdp_common_t *swjdp, uint8_t *buffer, int coun
                {
                        nbytes = MIN((writecount << 1), 4);
 
-                       if (nbytes < 4 )
+                       if (nbytes < 4)
                        {
                                if (mem_ap_write_buf_u16(swjdp, buffer, nbytes, address) != ERROR_OK)
                                {
@@ -561,7 +561,7 @@ int mem_ap_write_buf_packed_u16(swjdp_common_t *swjdp, uint8_t *buffer, int coun
                                uint32_t outvalue;
                                memcpy(&outvalue, buffer, sizeof(uint32_t));
 
-                               for (i = 0; i < nbytes; i++ )
+                               for (i = 0; i < nbytes; i++)
                                {
                                        *((uint8_t*)buffer + (address & 0x3)) = outvalue;
                                        outvalue >>= 8;
@@ -602,7 +602,7 @@ int mem_ap_write_buf_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint
                uint16_t svalue;
                memcpy(&svalue, buffer, sizeof(uint16_t));
                uint32_t outvalue = (uint32_t)svalue << 8 * (address & 0x3);
-               dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue );
+               dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue);
                retval = swjdp_transaction_endcheck(swjdp);
                count -= 2;
                address += 2;
@@ -638,7 +638,7 @@ int mem_ap_write_buf_packed_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count
                {
                        nbytes = MIN(writecount, 4);
 
-                       if (nbytes < 4 )
+                       if (nbytes < 4)
                        {
                                if (mem_ap_write_buf_u8(swjdp, buffer, nbytes, address) != ERROR_OK)
                                {
@@ -653,7 +653,7 @@ int mem_ap_write_buf_packed_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count
                                uint32_t outvalue;
                                memcpy(&outvalue, buffer, sizeof(uint32_t));
 
-                               for (i = 0; i < nbytes; i++ )
+                               for (i = 0; i < nbytes; i++)
                                {
                                        *((uint8_t*)buffer + (address & 0x3)) = outvalue;
                                        outvalue >>= 8;
@@ -692,7 +692,7 @@ int mem_ap_write_buf_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint3
        {
                dap_setup_accessport(swjdp, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
                uint32_t outvalue = (uint32_t)*buffer << 8 * (address & 0x3);
-               dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue );
+               dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue);
                retval = swjdp_transaction_endcheck(swjdp);
                count--;
                address++;
@@ -770,7 +770,7 @@ int mem_ap_read_buf_u32(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint3
                        uint32_t data;
                        memcpy(&data, pBuffer, sizeof(uint32_t));
 
-                       for (i = 0; i < 4; i++ )
+                       for (i = 0; i < 4; i++)
                        {
                                *((uint8_t*)pBuffer) = (data >> 8 * (adr & 0x3));
                                pBuffer++;
@@ -810,7 +810,7 @@ int mem_ap_read_buf_packed_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count
 
                do
                {
-                       dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue );
+                       dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue);
                        if (swjdp_transaction_endcheck(swjdp) != ERROR_OK)
                        {
                                LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count);
@@ -819,7 +819,7 @@ int mem_ap_read_buf_packed_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count
 
                        nbytes = MIN((readcount << 1), 4);
 
-                       for (i = 0; i < nbytes; i++ )
+                       for (i = 0; i < nbytes; i++)
                        {
                                *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3));
                                buffer++;
@@ -847,11 +847,11 @@ int mem_ap_read_buf_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint3
        while (count > 0)
        {
                dap_setup_accessport(swjdp, CSW_16BIT | CSW_ADDRINC_SINGLE, address);
-               dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue );
+               dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue);
                retval = swjdp_transaction_endcheck(swjdp);
                if (address & 0x1)
                {
-                       for (i = 0; i < 2; i++ )
+                       for (i = 0; i < 2; i++)
                        {
                                *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3));
                                buffer++;
@@ -902,7 +902,7 @@ int mem_ap_read_buf_packed_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count,
 
                do
                {
-                       dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue );
+                       dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue);
                        if (swjdp_transaction_endcheck(swjdp) != ERROR_OK)
                        {
                                LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count);
@@ -911,7 +911,7 @@ int mem_ap_read_buf_packed_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count,
 
                        nbytes = MIN(readcount, 4);
 
-                       for (i = 0; i < nbytes; i++ )
+                       for (i = 0; i < nbytes; i++)
                        {
                                *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3));
                                buffer++;
@@ -939,7 +939,7 @@ int mem_ap_read_buf_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32
        while (count > 0)
        {
                dap_setup_accessport(swjdp, CSW_8BIT | CSW_ADDRINC_SINGLE, address);
-               dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue );
+               dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue);
                retval = swjdp_transaction_endcheck(swjdp);
                *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3));
                count--;
@@ -1007,11 +1007,20 @@ int ahbap_debugport_init(swjdp_common_t *swjdp)
        return ERROR_OK;
 }
 
+/* CID interpretation -- see ARM IHI 0029B section 3 */
+static const char *class_description[16] ={
+       "Reserved", "ROM table", "Reserved", "Reserved",
+       "Reserved", "Reserved", "Reserved", "Reserved",
+       "Reserved", "CoreSight component", "Reserved", "Peripheral Test Block",
+       "Reserved", "DESS", "Generic IP component", "PrimeCell or System component"
+};
 
-char * class_description[16] ={
-       "Reserved",
-       "ROM table","Reserved","Reserved","Reserved","Reserved","Reserved","Reserved","Reserved",
-       "CoreSight component","Reserved","Peripheral Test Block","Reserved","DESS","Generic IP component","Non standard layout"};
+static bool
+is_dap_cid_ok(uint32_t cid3, uint32_t cid2, uint32_t cid1, uint32_t cid0)
+{
+       return cid3 == 0xb1 && cid2 == 0x05
+                       && ((cid1 & 0x0f) == 0) && cid0 == 0x0d;
+}
 
 int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, int apsel)
 {
@@ -1058,15 +1067,13 @@ int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, i
        {
                uint32_t cid0,cid1,cid2,cid3,memtype,romentry;
                uint16_t entry_offset;
+
                /* bit 16 of apid indicates a memory access port */
-               if (dbgbase&0x02)
-               {
+               if (dbgbase & 0x02)
                        command_print(cmd_ctx, "\tValid ROM table present");
-               }
                else
-               {
-                       command_print(cmd_ctx, "\tROM table in legacy format" );
-               }
+                       command_print(cmd_ctx, "\tROM table in legacy format");
+
                /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec  */
                mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFF0, &cid0);
                mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFF4, &cid1);
@@ -1074,15 +1081,17 @@ int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, i
                mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFFC, &cid3);
                mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFCC, &memtype);
                swjdp_transaction_endcheck(swjdp);
-               command_print(cmd_ctx, "\tCID3 0x%" PRIx32 ", CID2 0x%" PRIx32 ", CID1 0x%" PRIx32 " CID0, 0x%" PRIx32,cid3,cid2,cid1,cid0);
-               if (memtype&0x01)
-               {
+               if (!is_dap_cid_ok(cid3, cid2, cid1, cid0))
+                       command_print(cmd_ctx, "\tCID3 0x%2.2" PRIx32
+                                       ", CID2 0x%2.2" PRIx32
+                                       ", CID1 0x%2.2" PRIx32
+                                       ", CID0 0x%2.2" PRIx32,
+                                       cid3, cid2, cid1, cid0);
+               if (memtype & 0x01)
                        command_print(cmd_ctx, "\tMEMTYPE system memory present on bus");
-               }
                else
-               {
-                       command_print(cmd_ctx, "\tMEMTYPE system memory not present. Dedicated debug bus" );
-               }
+                       command_print(cmd_ctx, "\tMEMTYPE System memory not present. "
+                                       "Dedicated debug bus.");
 
                /* Now we read ROM table entries from dbgbase&0xFFFFF000) | 0x000 until we get 0x00000000 */
                entry_offset = 0;
@@ -1092,23 +1101,249 @@ int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, i
                        command_print(cmd_ctx, "\tROMTABLE[0x%x] = 0x%" PRIx32 "",entry_offset,romentry);
                        if (romentry&0x01)
                        {
-                               uint32_t c_cid0,c_cid1,c_cid2,c_cid3,c_pid0,c_pid1,c_pid2,c_pid3,c_pid4,component_start;
-                               uint32_t component_base = (uint32_t)((dbgbase&0xFFFFF000) + (int)(romentry&0xFFFFF000));
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFE0, &c_pid0);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFE4, &c_pid1);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFE8, &c_pid2);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFEC, &c_pid3);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFD0, &c_pid4);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFF0, &c_cid0);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFF4, &c_cid1);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFF8, &c_cid2);
-                               mem_ap_read_atomic_u32(swjdp, (component_base&0xFFFFF000) | 0xFFC, &c_cid3);
+                               uint32_t c_cid0, c_cid1, c_cid2, c_cid3;
+                               uint32_t c_pid0, c_pid1, c_pid2, c_pid3, c_pid4;
+                               uint32_t component_start, component_base;
+                               unsigned part_num;
+                               char *type, *full;
+
+                               component_base = (uint32_t)((dbgbase & 0xFFFFF000)
+                                               + (int)(romentry & 0xFFFFF000));
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFE0, &c_pid0);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFE4, &c_pid1);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFE8, &c_pid2);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFEC, &c_pid3);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFD0, &c_pid4);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFF0, &c_cid0);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFF4, &c_cid1);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFF8, &c_cid2);
+                               mem_ap_read_atomic_u32(swjdp,
+                                               (component_base & 0xFFFFF000) | 0xFFC, &c_cid3);
                                component_start = component_base - 0x1000*(c_pid4 >> 4);
-                               command_print(cmd_ctx, "\t\tComponent base address 0x%" PRIx32 ", pid4 0x%" PRIx32 ", start address 0x%" PRIx32 "",component_base,c_pid4,component_start);
-                               command_print(cmd_ctx, "\t\tComponent cid1 0x%" PRIx32 ", class is %s",c_cid1,class_description[(c_cid1 >> 4)&0xF]); /* Se ARM DDI 0314 C Table 2.2 */
-                               command_print(cmd_ctx, "\t\tCID3 0x%" PRIx32 ", CID2 0x%" PRIx32 ", CID1 0x%" PRIx32 ", CID0, 0x%" PRIx32 "",c_cid3,c_cid2,c_cid1,c_cid0);
-                               command_print(cmd_ctx, "\t\tPID3 0x%" PRIx32 ", PID2 0x%" PRIx32 ", PID1 0x%" PRIx32 ", PID0, 0x%" PRIx32 "",c_pid3,c_pid2,c_pid1,c_pid0);
-                               /* For CoreSight components,  (c_cid1 >> 4)&0xF == 9 , we also read 0xFC8 DevId and 0xFCC DevType */
+
+                               command_print(cmd_ctx, "\t\tComponent base address 0x%" PRIx32
+                                               ", start address 0x%" PRIx32,
+                                               component_base, component_start);
+                               command_print(cmd_ctx, "\t\tComponent class is 0x%x, %s",
+                                               (int) (c_cid1 >> 4) & 0xf,
+                                               /* See ARM IHI 0029B Table 3-3 */
+                                               class_description[(c_cid1 >> 4) & 0xf]);
+
+                               /* CoreSight component? */
+                               if (((c_cid1 >> 4) & 0x0f) == 9) {
+                                       uint32_t devtype;
+                                       unsigned minor;
+                                       char *major = "Reserved", *subtype = "Reserved";
+
+                                       mem_ap_read_atomic_u32(swjdp,
+                                                       (component_base & 0xfffff000) | 0xfcc,
+                                                       &devtype);
+                                       minor = (devtype >> 4) & 0x0f;
+                                       switch (devtype & 0x0f) {
+                                       case 0:
+                                               major = "Miscellaneous";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 4:
+                                                       subtype = "Validation component";
+                                                       break;
+                                               }
+                                               break;
+                                       case 1:
+                                               major = "Trace Sink";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 1:
+                                                       subtype = "Port";
+                                                       break;
+                                               case 2:
+                                                       subtype = "Buffer";
+                                                       break;
+                                               }
+                                               break;
+                                       case 2:
+                                               major = "Trace Link";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 1:
+                                                       subtype = "Funnel, router";
+                                                       break;
+                                               case 2:
+                                                       subtype = "Filter";
+                                                       break;
+                                               case 3:
+                                                       subtype = "FIFO, buffer";
+                                                       break;
+                                               }
+                                               break;
+                                       case 3:
+                                               major = "Trace Source";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 1:
+                                                       subtype = "Processor";
+                                                       break;
+                                               case 2:
+                                                       subtype = "DSP";
+                                                       break;
+                                               case 3:
+                                                       subtype = "Engine/Coprocessor";
+                                                       break;
+                                               case 4:
+                                                       subtype = "Bus";
+                                                       break;
+                                               }
+                                               break;
+                                       case 4:
+                                               major = "Debug Control";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 1:
+                                                       subtype = "Trigger Matrix";
+                                                       break;
+                                               case 2:
+                                                       subtype = "Debug Auth";
+                                                       break;
+                                               }
+                                               break;
+                                       case 5:
+                                               major = "Debug Logic";
+                                               switch (minor) {
+                                               case 0:
+                                                       subtype = "other";
+                                                       break;
+                                               case 1:
+                                                       subtype = "Processor";
+                                                       break;
+                                               case 2:
+                                                       subtype = "DSP";
+                                                       break;
+                                               case 3:
+                                                       subtype = "Engine/Coprocessor";
+                                                       break;
+                                               }
+                                               break;
+                                       }
+                                       command_print(cmd_ctx, "\t\tType is 0x%2.2x, %s, %s",
+                                                       (unsigned) (devtype & 0xff),
+                                                       major, subtype);
+                                       /* REVISIT also show 0xfc8 DevId */
+                               }
+
+                               if (!is_dap_cid_ok(cid3, cid2, cid1, cid0))
+                                       command_print(cmd_ctx, "\t\tCID3 0x%2.2" PRIx32
+                                                       ", CID2 0x%2.2" PRIx32
+                                                       ", CID1 0x%2.2" PRIx32
+                                                       ", CID0 0x%2.2" PRIx32,
+                                                       c_cid3, c_cid2, c_cid1, c_cid0);
+                               command_print(cmd_ctx, "\t\tPeripheral ID[4..0] = hex "
+                                               "%2.2x %2.2x %2.2x %2.2x %2.2x",
+                                               (int) c_pid4,
+                                               (int) c_pid3, (int) c_pid2,
+                                               (int) c_pid1, (int) c_pid0);
+
+                               /* Part number interpretations are from Cortex
+                                * core specs, the CoreSight components TRM
+                                * (ARM DDI 0314H), and ETM specs; also from
+                                * chip observation (e.g. TI SDTI).
+                                */
+                               part_num = c_pid0 & 0xff;
+                               part_num |= (c_pid1 & 0x0f) << 8;
+                               switch (part_num) {
+                               case 0x000:
+                                       type = "Cortex-M3 NVIC";
+                                       full = "(Interrupt Controller)";
+                                       break;
+                               case 0x001:
+                                       type = "Cortex-M3 ITM";
+                                       full = "(Instrumentation Trace Module)";
+                                       break;
+                               case 0x002:
+                                       type = "Cortex-M3 DWT";
+                                       full = "(Data Watchpoint and Trace)";
+                                       break;
+                               case 0x003:
+                                       type = "Cortex-M3 FBP";
+                                       full = "(Flash Patch and Breakpoint)";
+                                       break;
+                               case 0x00d:
+                                       type = "CoreSight ETM11";
+                                       full = "(Embedded Trace)";
+                                       break;
+                               // case 0x113: what?
+                               case 0x120:             /* from OMAP3 memmap */
+                                       type = "TI SDTI";
+                                       full = "(System Debug Trace Interface)";
+                                       break;
+                               case 0x343:             /* from OMAP3 memmap */
+                                       type = "TI DAPCTL";
+                                       full = "";
+                                       break;
+                               case 0x4e0:
+                                       type = "Cortex-M3 ETM";
+                                       full = "(Embedded Trace)";
+                                       break;
+                               case 0x906:
+                                       type = "Coresight CTI";
+                                       full = "(Cross Trigger)";
+                                       break;
+                               case 0x907:
+                                       type = "Coresight ETB";
+                                       full = "(Trace Buffer)";
+                                       break;
+                               case 0x908:
+                                       type = "Coresight CSTF";
+                                       full = "(Trace Funnel)";
+                                       break;
+                               case 0x910:
+                                       type = "CoreSight ETM9";
+                                       full = "(Embedded Trace)";
+                                       break;
+                               case 0x912:
+                                       type = "Coresight TPIU";
+                                       full = "(Trace Port Interface Unit)";
+                                       break;
+                               case 0x921:
+                                       type = "Cortex-A8 ETM";
+                                       full = "(Embedded Trace)";
+                                       break;
+                               case 0x922:
+                                       type = "Cortex-A8 CTI";
+                                       full = "(Cross Trigger)";
+                                       break;
+                               case 0x923:
+                                       type = "Cortex-M3 TPIU";
+                                       full = "(Trace Port Interface Unit)";
+                                       break;
+                               case 0xc08:
+                                       type = "Cortex-A8 Debug";
+                                       full = "(Debug Unit)";
+                                       break;
+                               default:
+                                       type = "-*- unrecognized -*-";
+                                       full = "";
+                                       break;
+                               }
+                               command_print(cmd_ctx, "\t\tPart is %s %s",
+                                               type, full);
                        }
                        else
                        {
@@ -1118,7 +1353,7 @@ int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, i
                                        command_print(cmd_ctx, "\t\tEnd of ROM table");
                        }
                        entry_offset += 4;
-               } while (romentry>0);
+               } while (romentry > 0);
        }
        else
        {
@@ -1129,3 +1364,108 @@ int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, i
        return ERROR_OK;
 }
 
+DAP_COMMAND_HANDLER(dap_baseaddr_command)
+{
+       uint32_t apsel, apselsave, baseaddr;
+       int retval;
+
+       apselsave = swjdp->apsel;
+       switch (argc) {
+       case 0:
+               apsel = swjdp->apsel;
+               break;
+       case 1:
+               COMMAND_PARSE_NUMBER(u32, args[0], apsel);
+               break;
+       default:
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       if (apselsave != apsel)
+               dap_ap_select(swjdp, apsel);
+
+       dap_ap_read_reg_u32(swjdp, 0xF8, &baseaddr);
+       retval = swjdp_transaction_endcheck(swjdp);
+       command_print(cmd_ctx, "0x%8.8" PRIx32, baseaddr);
+
+       if (apselsave != apsel)
+               dap_ap_select(swjdp, apselsave);
+
+       return retval;
+}
+
+DAP_COMMAND_HANDLER(dap_memaccess_command)
+{
+       uint32_t memaccess_tck;
+
+       switch (argc) {
+       case 0:
+               memaccess_tck = swjdp->memaccess_tck;
+               break;
+       case 1:
+               COMMAND_PARSE_NUMBER(u32, args[0], memaccess_tck);
+               break;
+       default:
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+       swjdp->memaccess_tck = memaccess_tck;
+
+       command_print(cmd_ctx, "memory bus access delay set to %" PRIi32 " tck",
+                       swjdp->memaccess_tck);
+
+       return ERROR_OK;
+}
+
+DAP_COMMAND_HANDLER(dap_apsel_command)
+{
+       uint32_t apsel, apid;
+       int retval;
+
+       switch (argc) {
+       case 0:
+               apsel = 0;
+               break;
+       case 1:
+               COMMAND_PARSE_NUMBER(u32, args[0], apsel);
+               break;
+       default:
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       dap_ap_select(swjdp, apsel);
+       dap_ap_read_reg_u32(swjdp, 0xFC, &apid);
+       retval = swjdp_transaction_endcheck(swjdp);
+       command_print(cmd_ctx, "ap %" PRIi32 " selected, identification register 0x%8.8" PRIx32,
+                       apsel, apid);
+
+       return retval;
+}
+
+DAP_COMMAND_HANDLER(dap_apid_command)
+{
+       uint32_t apsel, apselsave, apid;
+       int retval;
+
+       apselsave = swjdp->apsel;
+       switch (argc) {
+       case 0:
+               apsel = swjdp->apsel;
+               break;
+       case 1:
+               COMMAND_PARSE_NUMBER(u32, args[0], apsel);
+               break;
+       default:
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       if (apselsave != apsel)
+               dap_ap_select(swjdp, apsel);
+
+       dap_ap_read_reg_u32(swjdp, 0xFC, &apid);
+       retval = swjdp_transaction_endcheck(swjdp);
+       command_print(cmd_ctx, "0x%8.8" PRIx32, apid);
+       if (apselsave != apsel)
+               dap_ap_select(swjdp, apselsave);
+
+       return retval;
+}