X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm_adi_v5.c;h=e62ac07577acce79c56af03dcd8b04764a5b0ffe;hp=6efc0af13fdfb762fe6b3813d1e5ef0a02adb5bf;hb=1ba715422fba733bb5426ea887368e2dcf371b91;hpb=2f131d3c3004658e891b674e9a8ac93bae5246b0 diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 6efc0af13f..e62ac07577 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -24,9 +24,7 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + * along with this program. If not, see . * ***************************************************************************/ /** @@ -75,7 +73,10 @@ #include "jtag/interface.h" #include "arm.h" #include "arm_adi_v5.h" +#include #include +#include +#include /* ARM ADI Specification requires at least 10 bits used for TAR autoincrement */ @@ -96,14 +97,15 @@ static uint32_t max_tar_block_size(uint32_t tar_autoincr_block, uint32_t address static int mem_ap_setup_csw(struct adiv5_ap *ap, uint32_t csw) { - csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT | - ap->csw_default; + csw |= ap->csw_default; if (csw != ap->csw_value) { /* LOG_DEBUG("DAP: Set CSW %x",csw); */ int retval = dap_queue_ap_write(ap, MEM_AP_REG_CSW, csw); - if (retval != ERROR_OK) + if (retval != ERROR_OK) { + ap->csw_value = 0; return retval; + } ap->csw_value = csw; } return ERROR_OK; @@ -111,17 +113,72 @@ static int mem_ap_setup_csw(struct adiv5_ap *ap, uint32_t csw) static int mem_ap_setup_tar(struct adiv5_ap *ap, uint32_t tar) { - if (tar != ap->tar_value || - (ap->csw_value & CSW_ADDRINC_MASK)) { + if (!ap->tar_valid || tar != ap->tar_value) { /* LOG_DEBUG("DAP: Set TAR %x",tar); */ int retval = dap_queue_ap_write(ap, MEM_AP_REG_TAR, tar); - if (retval != ERROR_OK) + if (retval != ERROR_OK) { + ap->tar_valid = false; return retval; + } ap->tar_value = tar; + ap->tar_valid = true; + } + return ERROR_OK; +} + +static int mem_ap_read_tar(struct adiv5_ap *ap, uint32_t *tar) +{ + int retval = dap_queue_ap_read(ap, MEM_AP_REG_TAR, tar); + if (retval != ERROR_OK) { + ap->tar_valid = false; + return retval; + } + + retval = dap_run(ap->dap); + if (retval != ERROR_OK) { + ap->tar_valid = false; + return retval; } + + ap->tar_value = *tar; + ap->tar_valid = true; return ERROR_OK; } +static uint32_t mem_ap_get_tar_increment(struct adiv5_ap *ap) +{ + switch (ap->csw_value & CSW_ADDRINC_MASK) { + case CSW_ADDRINC_SINGLE: + switch (ap->csw_value & CSW_SIZE_MASK) { + case CSW_8BIT: + return 1; + case CSW_16BIT: + return 2; + case CSW_32BIT: + return 4; + default: + return 0; + } + case CSW_ADDRINC_PACKED: + return 4; + } + return 0; +} + +/* mem_ap_update_tar_cache is called after an access to MEM_AP_REG_DRW + */ +static void mem_ap_update_tar_cache(struct adiv5_ap *ap) +{ + if (!ap->tar_valid) + return; + + uint32_t inc = mem_ap_get_tar_increment(ap); + if (inc >= max_tar_block_size(ap->tar_autoincr_block, ap->tar_value)) + ap->tar_valid = false; + else + ap->tar_value += inc; +} + /** * Queue transactions setting up transfer parameters for the * currently selected MEM-AP. @@ -170,7 +227,8 @@ int mem_ap_read_u32(struct adiv5_ap *ap, uint32_t address, /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when reading several consecutive addresses. */ - retval = mem_ap_setup_transfer(ap, CSW_32BIT | CSW_ADDRINC_OFF, + retval = mem_ap_setup_transfer(ap, + CSW_32BIT | (ap->csw_value & CSW_ADDRINC_MASK), address & 0xFFFFFFF0); if (retval != ERROR_OK) return retval; @@ -221,7 +279,8 @@ int mem_ap_write_u32(struct adiv5_ap *ap, uint32_t address, /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when writing several consecutive addresses. */ - retval = mem_ap_setup_transfer(ap, CSW_32BIT | CSW_ADDRINC_OFF, + retval = mem_ap_setup_transfer(ap, + CSW_32BIT | (ap->csw_value & CSW_ADDRINC_MASK), address & 0xFFFFFFF0); if (retval != ERROR_OK) return retval; @@ -272,7 +331,7 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz const uint32_t csw_addrincr = addrinc ? CSW_ADDRINC_SINGLE : CSW_ADDRINC_OFF; uint32_t csw_size; uint32_t addr_xor; - int retval; + int retval = ERROR_OK; /* TI BE-32 Quirks mode: * Writes on big-endian TMS570 behave very strangely. Observed behavior: @@ -303,10 +362,6 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz if (ap->unaligned_access_bad && (address % size != 0)) return ERROR_TARGET_UNALIGNED_ACCESS; - retval = mem_ap_setup_tar(ap, address ^ addr_xor); - if (retval != ERROR_OK) - return retval; - while (nbytes > 0) { uint32_t this_size = size; @@ -322,34 +377,41 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz if (retval != ERROR_OK) break; + retval = mem_ap_setup_tar(ap, address ^ addr_xor); + if (retval != ERROR_OK) + return retval; + /* How many source bytes each transfer will consume, and their location in the DRW, * depends on the type of transfer and alignment. See ARM document IHI0031C. */ uint32_t outvalue = 0; + uint32_t drw_byte_idx = address; if (dap->ti_be_32_quirks) { switch (this_size) { case 4: - outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (address++ & 3) ^ addr_xor); - outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (address++ & 3) ^ addr_xor); - outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (address++ & 3) ^ addr_xor); - outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (address++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (drw_byte_idx++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (drw_byte_idx++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (drw_byte_idx++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (3 ^ (drw_byte_idx & 3) ^ addr_xor); break; case 2: - outvalue |= (uint32_t)*buffer++ << 8 * (1 ^ (address++ & 3) ^ addr_xor); - outvalue |= (uint32_t)*buffer++ << 8 * (1 ^ (address++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (1 ^ (drw_byte_idx++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (1 ^ (drw_byte_idx & 3) ^ addr_xor); break; case 1: - outvalue |= (uint32_t)*buffer++ << 8 * (0 ^ (address++ & 3) ^ addr_xor); + outvalue |= (uint32_t)*buffer++ << 8 * (0 ^ (drw_byte_idx & 3) ^ addr_xor); break; } } else { switch (this_size) { case 4: - outvalue |= (uint32_t)*buffer++ << 8 * (address++ & 3); - outvalue |= (uint32_t)*buffer++ << 8 * (address++ & 3); + outvalue |= (uint32_t)*buffer++ << 8 * (drw_byte_idx++ & 3); + outvalue |= (uint32_t)*buffer++ << 8 * (drw_byte_idx++ & 3); + /* fallthrough */ case 2: - outvalue |= (uint32_t)*buffer++ << 8 * (address++ & 3); + outvalue |= (uint32_t)*buffer++ << 8 * (drw_byte_idx++ & 3); + /* fallthrough */ case 1: - outvalue |= (uint32_t)*buffer++ << 8 * (address++ & 3); + outvalue |= (uint32_t)*buffer++ << 8 * (drw_byte_idx & 3); } } @@ -359,12 +421,9 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz if (retval != ERROR_OK) break; - /* Rewrite TAR if it wrapped or we're xoring addresses */ - if (addrinc && (addr_xor || (address % ap->tar_autoincr_block < size && nbytes > 0))) { - retval = mem_ap_setup_tar(ap, address ^ addr_xor); - if (retval != ERROR_OK) - break; - } + mem_ap_update_tar_cache(ap); + if (addrinc) + address += this_size; } /* REVISIT: Might want to have a queued version of this function that does not run. */ @@ -373,8 +432,7 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz if (retval != ERROR_OK) { uint32_t tar; - if (dap_queue_ap_read(ap, MEM_AP_REG_TAR, &tar) == ERROR_OK - && dap_run(dap) == ERROR_OK) + if (mem_ap_read_tar(ap, &tar) == ERROR_OK) LOG_ERROR("Failed to write memory at 0x%08"PRIx32, tar); else LOG_ERROR("Failed to write memory and, additionally, failed to find out where"); @@ -403,7 +461,7 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint const uint32_t csw_addrincr = addrinc ? CSW_ADDRINC_SINGLE : CSW_ADDRINC_OFF; uint32_t csw_size; uint32_t address = adr; - int retval; + int retval = ERROR_OK; /* TI BE-32 Quirks mode: * Reads on big-endian TMS570 behave strangely differently than writes. @@ -427,19 +485,14 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint /* Allocate buffer to hold the sequence of DRW reads that will be made. This is a significant * over-allocation if packed transfers are going to be used, but determining the real need at * this point would be messy. */ - uint32_t *read_buf = malloc(count * sizeof(uint32_t)); + uint32_t *read_buf = calloc(count, sizeof(uint32_t)); + /* Multiplication count * sizeof(uint32_t) may overflow, calloc() is safe */ uint32_t *read_ptr = read_buf; if (read_buf == NULL) { LOG_ERROR("Failed to allocate read buffer"); return ERROR_FAIL; } - retval = mem_ap_setup_tar(ap, address); - if (retval != ERROR_OK) { - free(read_buf); - return retval; - } - /* Queue up all reads. Each read will store the entire DRW word in the read buffer. How many * useful bytes it contains, and their location in the word, depends on the type of transfer * and alignment. */ @@ -457,19 +510,19 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint if (retval != ERROR_OK) break; + retval = mem_ap_setup_tar(ap, address); + if (retval != ERROR_OK) + break; + retval = dap_queue_ap_read(ap, MEM_AP_REG_DRW, read_ptr++); if (retval != ERROR_OK) break; nbytes -= this_size; - address += this_size; + if (addrinc) + address += this_size; - /* Rewrite TAR if it wrapped */ - if (addrinc && address % ap->tar_autoincr_block < size && nbytes > 0) { - retval = mem_ap_setup_tar(ap, address); - if (retval != ERROR_OK) - break; - } + mem_ap_update_tar_cache(ap); } if (retval == ERROR_OK) @@ -484,8 +537,8 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint * at least give the caller what we have. */ if (retval != ERROR_OK) { uint32_t tar; - if (dap_queue_ap_read(ap, MEM_AP_REG_TAR, &tar) == ERROR_OK - && dap_run(dap) == ERROR_OK) { + if (mem_ap_read_tar(ap, &tar) == ERROR_OK) { + /* TAR is incremented after failed transfer on some devices (eg Cortex-M4) */ LOG_ERROR("Failed to read memory at 0x%08"PRIx32, tar); if (nbytes > tar - address) nbytes = tar - address; @@ -509,8 +562,10 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint case 4: *buffer++ = *read_ptr >> 8 * (3 - (address++ & 3)); *buffer++ = *read_ptr >> 8 * (3 - (address++ & 3)); + /* fallthrough */ case 2: *buffer++ = *read_ptr >> 8 * (3 - (address++ & 3)); + /* fallthrough */ case 1: *buffer++ = *read_ptr >> 8 * (3 - (address++ & 3)); } @@ -519,8 +574,10 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint case 4: *buffer++ = *read_ptr >> 8 * (address++ & 3); *buffer++ = *read_ptr >> 8 * (address++ & 3); + /* fallthrough */ case 2: *buffer++ = *read_ptr >> 8 * (address++ & 3); + /* fallthrough */ case 1: *buffer++ = *read_ptr >> 8 * (address++ & 3); } @@ -563,30 +620,22 @@ int mem_ap_write_buf_noincr(struct adiv5_ap *ap, #define DAP_POWER_DOMAIN_TIMEOUT (10) -/* FIXME don't import ... just initialize as - * part of DAP transport setup -*/ -extern const struct dap_ops jtag_dp_ops; - /*--------------------------------------------------------------------------*/ /** - * Create a new DAP + * Invalidate cached DP select and cached TAR and CSW of all APs */ -struct adiv5_dap *dap_init(void) +void dap_invalidate_cache(struct adiv5_dap *dap) { - struct adiv5_dap *dap = calloc(1, sizeof(struct adiv5_dap)); + dap->select = DP_SELECT_INVALID; + dap->last_read = NULL; + int i; - /* Set up with safe defaults */ for (i = 0; i <= 255; i++) { - dap->ap[i].dap = dap; - dap->ap[i].ap_num = i; - /* memaccess_tck max is 255 */ - dap->ap[i].memaccess_tck = 255; - /* Number of bits for tar autoincrement, impl. dep. at least 10 */ - dap->ap[i].tar_autoincr_block = (1<<10); + /* force csw and tar write on the next mem-ap access */ + dap->ap[i].tar_valid = false; + dap->ap[i].csw_value = 0; } - return dap; } /** @@ -599,72 +648,64 @@ int dap_dp_init(struct adiv5_dap *dap) { int retval; - LOG_DEBUG(" "); - /* JTAG-DP or SWJ-DP, in JTAG mode - * ... for SWD mode this is patched as part - * of link switchover - * FIXME: This should already be setup by the respective transport specific DAP creation. - */ - if (!dap->ops) - dap->ops = &jtag_dp_ops; + LOG_DEBUG("%s", adiv5_dap_name(dap)); - dap->select = DP_SELECT_INVALID; - dap->last_read = NULL; + dap_invalidate_cache(dap); - for (size_t i = 0; i < 10; i++) { + for (size_t i = 0; i < 30; i++) { /* DP initialization */ - retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); - if (retval != ERROR_OK) - continue; + retval = dap_dp_read_atomic(dap, DP_CTRL_STAT, NULL); + if (retval == ERROR_OK) + break; + } - retval = dap_queue_dp_write(dap, DP_CTRL_STAT, SSTICKYERR); - if (retval != ERROR_OK) - continue; + retval = dap_queue_dp_write(dap, DP_CTRL_STAT, SSTICKYERR); + if (retval != ERROR_OK) + return retval; - retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); - if (retval != ERROR_OK) - continue; + retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); + if (retval != ERROR_OK) + return retval; - dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ; - retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat); - if (retval != ERROR_OK) - continue; + dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ; + retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat); + if (retval != ERROR_OK) + return retval; - /* Check that we have debug power domains activated */ - LOG_DEBUG("DAP: wait CDBGPWRUPACK"); - retval = dap_dp_poll_register(dap, DP_CTRL_STAT, - CDBGPWRUPACK, CDBGPWRUPACK, - DAP_POWER_DOMAIN_TIMEOUT); - if (retval != ERROR_OK) - continue; + /* Check that we have debug power domains activated */ + LOG_DEBUG("DAP: wait CDBGPWRUPACK"); + retval = dap_dp_poll_register(dap, DP_CTRL_STAT, + CDBGPWRUPACK, CDBGPWRUPACK, + DAP_POWER_DOMAIN_TIMEOUT); + if (retval != ERROR_OK) + return retval; + if (!dap->ignore_syspwrupack) { LOG_DEBUG("DAP: wait CSYSPWRUPACK"); retval = dap_dp_poll_register(dap, DP_CTRL_STAT, CSYSPWRUPACK, CSYSPWRUPACK, DAP_POWER_DOMAIN_TIMEOUT); if (retval != ERROR_OK) - continue; - - retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); - if (retval != ERROR_OK) - continue; + return retval; + } - /* With debug power on we can activate OVERRUN checking */ - dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ | CORUNDETECT; - retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat); - if (retval != ERROR_OK) - continue; - retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); - if (retval != ERROR_OK) - continue; + retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); + if (retval != ERROR_OK) + return retval; - retval = dap_run(dap); - if (retval != ERROR_OK) - continue; + /* With debug power on we can activate OVERRUN checking */ + dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ | CORUNDETECT; + retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat); + if (retval != ERROR_OK) + return retval; + retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); + if (retval != ERROR_OK) + return retval; - break; - } + retval = dap_run(dap); + if (retval != ERROR_OK) + return retval; return retval; } @@ -683,6 +724,8 @@ int mem_ap_init(struct adiv5_ap *ap) int retval; struct adiv5_dap *dap = ap->dap; + ap->tar_valid = false; + ap->csw_value = 0; /* force csw and tar write */ retval = mem_ap_setup_transfer(ap, CSW_8BIT | CSW_ADDRINC_PACKED, 0); if (retval != ERROR_OK) return retval; @@ -737,10 +780,9 @@ static const char *class_description[16] = { "Generic IP component", "PrimeCell or System component" }; -static bool is_dap_cid_ok(uint32_t cid3, uint32_t cid2, uint32_t cid1, uint32_t cid0) +static bool is_dap_cid_ok(uint32_t cid) { - return cid3 == 0xb1 && cid2 == 0x05 - && ((cid1 & 0x0f) == 0) && cid0 == 0x0d; + return (cid & 0xffff0fff) == 0xb105000d; } /* @@ -751,7 +793,7 @@ int dap_find_ap(struct adiv5_dap *dap, enum ap_type type_to_find, struct adiv5_a int ap_num; /* Maximum AP number is 255 since the SELECT register is 8 bits */ - for (ap_num = 0; ap_num <= 255; ap_num++) { + for (ap_num = 0; ap_num <= DP_APSEL_MAX; ap_num++) { /* read the IDR register of the Access Port */ uint32_t id_val = 0; @@ -874,6 +916,61 @@ int dap_lookup_cs_component(struct adiv5_ap *ap, return ERROR_OK; } +static int dap_read_part_id(struct adiv5_ap *ap, uint32_t component_base, uint32_t *cid, uint64_t *pid) +{ + assert((component_base & 0xFFF) == 0); + assert(ap != NULL && cid != NULL && pid != NULL); + + uint32_t cid0, cid1, cid2, cid3; + uint32_t pid0, pid1, pid2, pid3, pid4; + int retval; + + /* IDs are in last 4K section */ + retval = mem_ap_read_u32(ap, component_base + 0xFE0, &pid0); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFE4, &pid1); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFE8, &pid2); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFEC, &pid3); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFD0, &pid4); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFF0, &cid0); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFF4, &cid1); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFF8, &cid2); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(ap, component_base + 0xFFC, &cid3); + if (retval != ERROR_OK) + return retval; + + retval = dap_run(ap->dap); + if (retval != ERROR_OK) + return retval; + + *cid = (cid3 & 0xff) << 24 + | (cid2 & 0xff) << 16 + | (cid1 & 0xff) << 8 + | (cid0 & 0xff); + *pid = (uint64_t)(pid4 & 0xff) << 32 + | (pid3 & 0xff) << 24 + | (pid2 & 0xff) << 16 + | (pid1 & 0xff) << 8 + | (pid0 & 0xff); + + return ERROR_OK; +} + /* The designer identity code is encoded as: * bits 11:8 : JEP106 Bank (number of continuation codes), only valid when bit 7 is 1. * bit 7 : Set when bits 6:0 represent a JEP106 ID and cleared when bits 6:0 represent @@ -905,63 +1002,109 @@ static const struct { const char *type; const char *full; } dap_partnums[] = { - { ARM_ID, 0x000, "Cortex-M3 SCS", "(System Control Space)", }, - { ARM_ID, 0x001, "Cortex-M3 ITM", "(Instrumentation Trace Module)", }, - { ARM_ID, 0x002, "Cortex-M3 DWT", "(Data Watchpoint and Trace)", }, - { ARM_ID, 0x003, "Cortex-M3 FBP", "(Flash Patch and Breakpoint)", }, - { ARM_ID, 0x008, "Cortex-M0 SCS", "(System Control Space)", }, - { ARM_ID, 0x00a, "Cortex-M0 DWT", "(Data Watchpoint and Trace)", }, - { ARM_ID, 0x00b, "Cortex-M0 BPU", "(Breakpoint Unit)", }, - { ARM_ID, 0x00c, "Cortex-M4 SCS", "(System Control Space)", }, - { ARM_ID, 0x00d, "CoreSight ETM11", "(Embedded Trace)", }, - { ARM_ID, 0x490, "Cortex-A15 GIC", "(Generic Interrupt Controller)", }, - { ARM_ID, 0x4c7, "Cortex-M7 PPB", "(Private Peripheral Bus ROM Table)", }, - { ARM_ID, 0x906, "CoreSight CTI", "(Cross Trigger)", }, - { ARM_ID, 0x907, "CoreSight ETB", "(Trace Buffer)", }, - { ARM_ID, 0x908, "CoreSight CSTF", "(Trace Funnel)", }, - { ARM_ID, 0x910, "CoreSight ETM9", "(Embedded Trace)", }, - { ARM_ID, 0x912, "CoreSight TPIU", "(Trace Port Interface Unit)", }, - { ARM_ID, 0x913, "CoreSight ITM", "(Instrumentation Trace Macrocell)", }, - { ARM_ID, 0x914, "CoreSight SWO", "(Single Wire Output)", }, - { ARM_ID, 0x917, "CoreSight HTM", "(AHB Trace Macrocell)", }, - { ARM_ID, 0x920, "CoreSight ETM11", "(Embedded Trace)", }, - { ARM_ID, 0x921, "Cortex-A8 ETM", "(Embedded Trace)", }, - { ARM_ID, 0x922, "Cortex-A8 CTI", "(Cross Trigger)", }, - { ARM_ID, 0x923, "Cortex-M3 TPIU", "(Trace Port Interface Unit)", }, - { ARM_ID, 0x924, "Cortex-M3 ETM", "(Embedded Trace)", }, - { ARM_ID, 0x925, "Cortex-M4 ETM", "(Embedded Trace)", }, - { ARM_ID, 0x930, "Cortex-R4 ETM", "(Embedded Trace)", }, - { ARM_ID, 0x941, "CoreSight TPIU-Lite", "(Trace Port Interface Unit)", }, - { ARM_ID, 0x950, "CoreSight Component", "(unidentified Cortex-A9 component)", }, - { ARM_ID, 0x955, "CoreSight Component", "(unidentified Cortex-A5 component)", }, - { ARM_ID, 0x95f, "Cortex-A15 PTM", "(Program Trace Macrocell)", }, - { ARM_ID, 0x961, "CoreSight TMC", "(Trace Memory Controller)", }, - { ARM_ID, 0x962, "CoreSight STM", "(System Trace Macrocell)", }, - { ARM_ID, 0x9a0, "CoreSight PMU", "(Performance Monitoring Unit)", }, - { ARM_ID, 0x9a1, "Cortex-M4 TPIU", "(Trace Port Interface Unit)", }, - { ARM_ID, 0x9a5, "Cortex-A5 ETM", "(Embedded Trace)", }, - { ARM_ID, 0x9a7, "Cortex-A7 PMU", "(Performance Monitor Unit)", }, - { ARM_ID, 0x9af, "Cortex-A15 PMU", "(Performance Monitor Unit)", }, - { ARM_ID, 0xc05, "Cortex-A5 Debug", "(Debug Unit)", }, - { ARM_ID, 0xc07, "Cortex-A7 Debug", "(Debug Unit)", }, - { ARM_ID, 0xc08, "Cortex-A8 Debug", "(Debug Unit)", }, - { ARM_ID, 0xc09, "Cortex-A9 Debug", "(Debug Unit)", }, - { ARM_ID, 0xc0f, "Cortex-A15 Debug", "(Debug Unit)", }, - { ARM_ID, 0xc14, "Cortex-R4 Debug", "(Debug Unit)", }, - { 0x0E5, 0x000, "SHARC+/Blackfin+", "", }, + { ARM_ID, 0x000, "Cortex-M3 SCS", "(System Control Space)", }, + { ARM_ID, 0x001, "Cortex-M3 ITM", "(Instrumentation Trace Module)", }, + { ARM_ID, 0x002, "Cortex-M3 DWT", "(Data Watchpoint and Trace)", }, + { ARM_ID, 0x003, "Cortex-M3 FPB", "(Flash Patch and Breakpoint)", }, + { ARM_ID, 0x008, "Cortex-M0 SCS", "(System Control Space)", }, + { ARM_ID, 0x00a, "Cortex-M0 DWT", "(Data Watchpoint and Trace)", }, + { ARM_ID, 0x00b, "Cortex-M0 BPU", "(Breakpoint Unit)", }, + { ARM_ID, 0x00c, "Cortex-M4 SCS", "(System Control Space)", }, + { ARM_ID, 0x00d, "CoreSight ETM11", "(Embedded Trace)", }, + { ARM_ID, 0x00e, "Cortex-M7 FPB", "(Flash Patch and Breakpoint)", }, + { ARM_ID, 0x490, "Cortex-A15 GIC", "(Generic Interrupt Controller)", }, + { ARM_ID, 0x4a1, "Cortex-A53 ROM", "(v8 Memory Map ROM Table)", }, + { ARM_ID, 0x4a2, "Cortex-A57 ROM", "(ROM Table)", }, + { ARM_ID, 0x4a3, "Cortex-A53 ROM", "(v7 Memory Map ROM Table)", }, + { ARM_ID, 0x4a4, "Cortex-A72 ROM", "(ROM Table)", }, + { ARM_ID, 0x4a9, "Cortex-A9 ROM", "(ROM Table)", }, + { ARM_ID, 0x4af, "Cortex-A15 ROM", "(ROM Table)", }, + { ARM_ID, 0x4c0, "Cortex-M0+ ROM", "(ROM Table)", }, + { ARM_ID, 0x4c3, "Cortex-M3 ROM", "(ROM Table)", }, + { ARM_ID, 0x4c4, "Cortex-M4 ROM", "(ROM Table)", }, + { ARM_ID, 0x4c7, "Cortex-M7 PPB ROM", "(Private Peripheral Bus ROM Table)", }, + { ARM_ID, 0x4c8, "Cortex-M7 ROM", "(ROM Table)", }, + { ARM_ID, 0x4b5, "Cortex-R5 ROM", "(ROM Table)", }, + { ARM_ID, 0x470, "Cortex-M1 ROM", "(ROM Table)", }, + { ARM_ID, 0x471, "Cortex-M0 ROM", "(ROM Table)", }, + { ARM_ID, 0x906, "CoreSight CTI", "(Cross Trigger)", }, + { ARM_ID, 0x907, "CoreSight ETB", "(Trace Buffer)", }, + { ARM_ID, 0x908, "CoreSight CSTF", "(Trace Funnel)", }, + { ARM_ID, 0x909, "CoreSight ATBR", "(Advanced Trace Bus Replicator)", }, + { ARM_ID, 0x910, "CoreSight ETM9", "(Embedded Trace)", }, + { ARM_ID, 0x912, "CoreSight TPIU", "(Trace Port Interface Unit)", }, + { ARM_ID, 0x913, "CoreSight ITM", "(Instrumentation Trace Macrocell)", }, + { ARM_ID, 0x914, "CoreSight SWO", "(Single Wire Output)", }, + { ARM_ID, 0x917, "CoreSight HTM", "(AHB Trace Macrocell)", }, + { ARM_ID, 0x920, "CoreSight ETM11", "(Embedded Trace)", }, + { ARM_ID, 0x921, "Cortex-A8 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x922, "Cortex-A8 CTI", "(Cross Trigger)", }, + { ARM_ID, 0x923, "Cortex-M3 TPIU", "(Trace Port Interface Unit)", }, + { ARM_ID, 0x924, "Cortex-M3 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x925, "Cortex-M4 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x930, "Cortex-R4 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x931, "Cortex-R5 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x932, "CoreSight MTB-M0+", "(Micro Trace Buffer)", }, + { ARM_ID, 0x941, "CoreSight TPIU-Lite", "(Trace Port Interface Unit)", }, + { ARM_ID, 0x950, "Cortex-A9 PTM", "(Program Trace Macrocell)", }, + { ARM_ID, 0x955, "Cortex-A5 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x95a, "Cortex-A72 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x95b, "Cortex-A17 PTM", "(Program Trace Macrocell)", }, + { ARM_ID, 0x95d, "Cortex-A53 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x95e, "Cortex-A57 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x95f, "Cortex-A15 PTM", "(Program Trace Macrocell)", }, + { ARM_ID, 0x961, "CoreSight TMC", "(Trace Memory Controller)", }, + { ARM_ID, 0x962, "CoreSight STM", "(System Trace Macrocell)", }, + { ARM_ID, 0x975, "Cortex-M7 ETM", "(Embedded Trace)", }, + { ARM_ID, 0x9a0, "CoreSight PMU", "(Performance Monitoring Unit)", }, + { ARM_ID, 0x9a1, "Cortex-M4 TPIU", "(Trace Port Interface Unit)", }, + { ARM_ID, 0x9a4, "CoreSight GPR", "(Granular Power Requester)", }, + { ARM_ID, 0x9a5, "Cortex-A5 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9a7, "Cortex-A7 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9a8, "Cortex-A53 CTI", "(Cross Trigger)", }, + { ARM_ID, 0x9a9, "Cortex-M7 TPIU", "(Trace Port Interface Unit)", }, + { ARM_ID, 0x9ae, "Cortex-A17 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9af, "Cortex-A15 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9b7, "Cortex-R7 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9d3, "Cortex-A53 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9d7, "Cortex-A57 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0x9d8, "Cortex-A72 PMU", "(Performance Monitor Unit)", }, + { ARM_ID, 0xc05, "Cortex-A5 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc07, "Cortex-A7 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc08, "Cortex-A8 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc09, "Cortex-A9 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc0e, "Cortex-A17 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc0f, "Cortex-A15 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc14, "Cortex-R4 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc15, "Cortex-R5 Debug", "(Debug Unit)", }, + { ARM_ID, 0xc17, "Cortex-R7 Debug", "(Debug Unit)", }, + { ARM_ID, 0xd03, "Cortex-A53 Debug", "(Debug Unit)", }, + { ARM_ID, 0xd07, "Cortex-A57 Debug", "(Debug Unit)", }, + { ARM_ID, 0xd08, "Cortex-A72 Debug", "(Debug Unit)", }, + { 0x097, 0x9af, "MSP432 ROM", "(ROM Table)" }, + { 0x09f, 0xcd0, "Atmel CPU with DSU", "(CPU)" }, + { 0x0c1, 0x1db, "XMC4500 ROM", "(ROM Table)" }, + { 0x0c1, 0x1df, "XMC4700/4800 ROM", "(ROM Table)" }, + { 0x0c1, 0x1ed, "XMC1000 ROM", "(ROM Table)" }, + { 0x0E5, 0x000, "SHARC+/Blackfin+", "", }, + { 0x0F0, 0x440, "Qualcomm QDSS Component v1", "(Qualcomm Designed CoreSight Component v1)", }, + { 0x3eb, 0x181, "Tegra 186 ROM", "(ROM Table)", }, + { 0x3eb, 0x211, "Tegra 210 ROM", "(ROM Table)", }, + { 0x3eb, 0x202, "Denver ETM", "(Denver Embedded Trace)", }, + { 0x3eb, 0x302, "Denver Debug", "(Debug Unit)", }, + { 0x3eb, 0x402, "Denver PMU", "(Performance Monitor Unit)", }, /* legacy comment: 0x113: what? */ - { ANY_ID, 0x120, "TI SDTI", "(System Debug Trace Interface)", }, /* from OMAP3 memmap */ - { ANY_ID, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */ + { ANY_ID, 0x120, "TI SDTI", "(System Debug Trace Interface)", }, /* from OMAP3 memmap */ + { ANY_ID, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */ }; static int dap_rom_display(struct command_context *cmd_ctx, struct adiv5_ap *ap, uint32_t dbgbase, int depth) { - struct adiv5_dap *dap = ap->dap; int retval; - uint32_t cid0, cid1, cid2, cid3, memtype, romentry; - uint16_t entry_offset; - char tabs[7] = ""; + uint64_t pid; + uint32_t cid; + char tabs[16] = ""; if (depth > 16) { command_print(cmd_ctx, "\tTables too deep"); @@ -971,339 +1114,249 @@ static int dap_rom_display(struct command_context *cmd_ctx, if (depth) snprintf(tabs, sizeof(tabs), "[L%02d] ", depth); - /* bit 16 of apid indicates a memory access port */ - if (dbgbase & 0x02) - command_print(cmd_ctx, "\t%sValid ROM table present", tabs); - else - command_print(cmd_ctx, "\t%sROM table in legacy format", tabs); + uint32_t base_addr = dbgbase & 0xFFFFF000; + command_print(cmd_ctx, "\t\tComponent base address 0x%08" PRIx32, base_addr); - /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */ - retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF0, &cid0); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF4, &cid1); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFF8, &cid2); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFFC, &cid3); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(ap, (dbgbase&0xFFFFF000) | 0xFCC, &memtype); - if (retval != ERROR_OK) - return retval; - retval = dap_run(dap); - if (retval != ERROR_OK) - return retval; + retval = dap_read_part_id(ap, base_addr, &cid, &pid); + if (retval != ERROR_OK) { + command_print(cmd_ctx, "\t\tCan't read component, the corresponding core might be turned off"); + return ERROR_OK; /* Don't abort recursion */ + } - if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) - command_print(cmd_ctx, "\t%sCID3 0x%02x" - ", CID2 0x%02x" - ", CID1 0x%02x" - ", CID0 0x%02x", - tabs, - (unsigned)cid3, (unsigned)cid2, - (unsigned)cid1, (unsigned)cid0); - if (memtype & 0x01) - command_print(cmd_ctx, "\t%sMEMTYPE system memory present on bus", tabs); - else - command_print(cmd_ctx, "\t%sMEMTYPE system memory not present: dedicated debug bus", tabs); + if (!is_dap_cid_ok(cid)) { + command_print(cmd_ctx, "\t\tInvalid CID 0x%08" PRIx32, cid); + return ERROR_OK; /* Don't abort recursion */ + } + + /* component may take multiple 4K pages */ + uint32_t size = (pid >> 36) & 0xf; + if (size > 0) + command_print(cmd_ctx, "\t\tStart address 0x%08" PRIx32, (uint32_t)(base_addr - 0x1000 * size)); + + command_print(cmd_ctx, "\t\tPeripheral ID 0x%010" PRIx64, pid); + + uint8_t class = (cid >> 12) & 0xf; + uint16_t part_num = pid & 0xfff; + uint16_t designer_id = ((pid >> 32) & 0xf) << 8 | ((pid >> 12) & 0xff); + + if (designer_id & 0x80) { + /* JEP106 code */ + command_print(cmd_ctx, "\t\tDesigner is 0x%03" PRIx16 ", %s", + designer_id, jep106_manufacturer(designer_id >> 8, designer_id & 0x7f)); + } else { + /* Legacy ASCII ID, clear invalid bits */ + designer_id &= 0x7f; + command_print(cmd_ctx, "\t\tDesigner ASCII code 0x%02" PRIx16 ", %s", + designer_id, designer_id == 0x41 ? "ARM" : ""); + } + + /* default values to be overwritten upon finding a match */ + const char *type = "Unrecognized"; + const char *full = ""; + + /* search dap_partnums[] array for a match */ + for (unsigned entry = 0; entry < ARRAY_SIZE(dap_partnums); entry++) { + + if ((dap_partnums[entry].designer_id != designer_id) && (dap_partnums[entry].designer_id != ANY_ID)) + continue; + + if (dap_partnums[entry].part_num != part_num) + continue; - /* Now we read ROM table entries from dbgbase&0xFFFFF000) | 0x000 until we get 0x00000000 */ - for (entry_offset = 0; ; entry_offset += 4) { - retval = mem_ap_read_atomic_u32(ap, (dbgbase&0xFFFFF000) | entry_offset, &romentry); + type = dap_partnums[entry].type; + full = dap_partnums[entry].full; + break; + } + + command_print(cmd_ctx, "\t\tPart is 0x%" PRIx16", %s %s", part_num, type, full); + command_print(cmd_ctx, "\t\tComponent class is 0x%" PRIx8 ", %s", class, class_description[class]); + + if (class == 1) { /* ROM Table */ + uint32_t memtype; + retval = mem_ap_read_atomic_u32(ap, base_addr | 0xFCC, &memtype); if (retval != ERROR_OK) return retval; - command_print(cmd_ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "", - tabs, entry_offset, romentry); - if (romentry & 0x01) { - 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_base; - uint16_t part_num, designer_id; - const char *type, *full; - - component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000); - - /* IDs are in last 4K section */ - 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_read_atomic_u32(ap, component_base + 0xFE4, &c_pid1); - if (retval != ERROR_OK) - return retval; - c_pid1 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFE8, &c_pid2); - if (retval != ERROR_OK) - return retval; - c_pid2 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFEC, &c_pid3); - if (retval != ERROR_OK) - return retval; - c_pid3 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFD0, &c_pid4); - if (retval != ERROR_OK) - return retval; - c_pid4 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF0, &c_cid0); - if (retval != ERROR_OK) - return retval; - c_cid0 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF4, &c_cid1); - if (retval != ERROR_OK) - return retval; - c_cid1 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFF8, &c_cid2); - if (retval != ERROR_OK) - return retval; - c_cid2 &= 0xff; - retval = mem_ap_read_atomic_u32(ap, component_base + 0xFFC, &c_cid3); + if (memtype & 0x01) + command_print(cmd_ctx, "\t\tMEMTYPE system memory present on bus"); + else + command_print(cmd_ctx, "\t\tMEMTYPE system memory not present: dedicated debug bus"); + + /* Read ROM table entries from base address until we get 0x00000000 or reach the reserved area */ + for (uint16_t entry_offset = 0; entry_offset < 0xF00; entry_offset += 4) { + uint32_t romentry; + retval = mem_ap_read_atomic_u32(ap, base_addr | entry_offset, &romentry); if (retval != ERROR_OK) return retval; - c_cid3 &= 0xff; - - command_print(cmd_ctx, "\t\tComponent base address 0x%" PRIx32 ", " - "start address 0x%" PRIx32, component_base, - /* component may take multiple 4K pages */ - (uint32_t)(component_base - 0x1000*(c_pid4 >> 4))); - command_print(cmd_ctx, "\t\tComponent class is 0x%" PRIx8 ", %s", - (uint8_t)((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; - const char *major = "Reserved", *subtype = "Reserved"; - - retval = mem_ap_read_atomic_u32(ap, - (component_base & 0xfffff000) | 0xfcc, - &devtype); + command_print(cmd_ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "", + tabs, entry_offset, romentry); + if (romentry & 0x01) { + /* Recurse */ + retval = dap_rom_display(cmd_ctx, ap, base_addr + (romentry & 0xFFFFF000), depth + 1); if (retval != ERROR_OK) return retval; - 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; - case 3: - subtype = "Router"; - 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; - case 6: - subtype = "Software"; - 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; - case 3: - subtype = "Power Requestor"; - 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; - case 4: - subtype = "Bus"; - break; - case 5: - subtype = "Memory"; - break; - } - break; - case 6: - major = "Perfomance Monitor"; - 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; - case 5: - subtype = "Memory"; - break; - } - break; - } - command_print(cmd_ctx, "\t\tType is 0x%02" PRIx8 ", %s, %s", - (uint8_t)(devtype & 0xff), - major, subtype); - /* REVISIT also show 0xfc8 DevId */ + } else if (romentry != 0) { + command_print(cmd_ctx, "\t\tComponent not present"); + } else { + command_print(cmd_ctx, "\t%s\tEnd of ROM table", tabs); + break; } + } + } else if (class == 9) { /* CoreSight component */ + const char *major = "Reserved", *subtype = "Reserved"; - if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) - command_print(cmd_ctx, - "\t\tCID3 0%02x" - ", CID2 0%02x" - ", CID1 0%02x" - ", CID0 0%02x", - (int)c_cid3, - (int)c_cid2, - (int)c_cid1, - (int)c_cid0); - command_print(cmd_ctx, - "\t\tPeripheral ID[4..0] = hex " - "%02x %02x %02x %02x %02x", - (int)c_pid4, (int)c_pid3, (int)c_pid2, - (int)c_pid1, (int)c_pid0); - - part_num = (c_pid0 & 0xff); - part_num |= (c_pid1 & 0x0f) << 8; - designer_id = (c_pid1 & 0xf0) >> 4; - designer_id |= (c_pid2 & 0x0f) << 4; - designer_id |= (c_pid4 & 0x0f) << 8; - if ((designer_id & 0x80) == 0) { - /* Legacy ASCII ID, clear invalid bits */ - designer_id &= 0x7f; + uint32_t devtype; + retval = mem_ap_read_atomic_u32(ap, base_addr | 0xFCC, &devtype); + if (retval != ERROR_OK) + return retval; + unsigned minor = (devtype >> 4) & 0x0f; + switch (devtype & 0x0f) { + case 0: + major = "Miscellaneous"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 4: + subtype = "Validation component"; + break; } - - /* default values to be overwritten upon finding a match */ - type = NULL; - full = ""; - - /* search dap_partnums[] array for a match */ - unsigned entry; - for (entry = 0; entry < ARRAY_SIZE(dap_partnums); entry++) { - - if ((dap_partnums[entry].designer_id != designer_id) && (dap_partnums[entry].designer_id != ANY_ID)) - continue; - - if (dap_partnums[entry].part_num != part_num) - continue; - - type = dap_partnums[entry].type; - full = dap_partnums[entry].full; + break; + case 1: + major = "Trace Sink"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Port"; + break; + case 2: + subtype = "Buffer"; + break; + case 3: + subtype = "Router"; break; } - - if (type) { - command_print(cmd_ctx, "\t\tPart is %s %s", - type, full); - } else { - command_print(cmd_ctx, "\t\tUnrecognized (Part 0x%" PRIx16 ", designer 0x%" PRIx16 ")", - part_num, designer_id); + 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; } - - /* ROM Table? */ - if (((c_cid1 >> 4) & 0x0f) == 1) { - retval = dap_rom_display(cmd_ctx, ap, component_base, depth + 1); - if (retval != ERROR_OK) - return retval; + 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; + case 6: + subtype = "Software"; + break; } - } else { - if (romentry) - command_print(cmd_ctx, "\t\tComponent not present"); - else + 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; + case 3: + subtype = "Power Requestor"; 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; + case 4: + subtype = "Bus"; + break; + case 5: + subtype = "Memory"; + break; + } + break; + case 6: + major = "Perfomance Monitor"; + 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; + case 5: + subtype = "Memory"; + break; + } + break; } + command_print(cmd_ctx, "\t\tType is 0x%02" PRIx8 ", %s, %s", + (uint8_t)(devtype & 0xff), + major, subtype); + /* REVISIT also show 0xfc8 DevId */ } - command_print(cmd_ctx, "\t%s\tEnd of ROM table", tabs); + return ERROR_OK; } -static int dap_info_command(struct command_context *cmd_ctx, +int dap_info_command(struct command_context *cmd_ctx, struct adiv5_ap *ap) { int retval; uint32_t dbgbase, apid; - int romtable_present = 0; uint8_t mem_ap; /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */ @@ -1342,21 +1395,150 @@ static int dap_info_command(struct command_context *cmd_ctx, if (mem_ap) { command_print(cmd_ctx, "MEM-AP BASE 0x%8.8" PRIx32, dbgbase); - romtable_present = dbgbase != 0xFFFFFFFF; - if (romtable_present) - dap_rom_display(cmd_ctx, ap, dbgbase, 0); - else + if (dbgbase == 0xFFFFFFFF || (dbgbase & 0x3) == 0x2) { command_print(cmd_ctx, "\tNo ROM table present"); + } else { + if (dbgbase & 0x01) + command_print(cmd_ctx, "\tValid ROM table present"); + else + command_print(cmd_ctx, "\tROM table in legacy format"); + + dap_rom_display(cmd_ctx, ap, dbgbase & 0xFFFFF000, 0); + } + } + + return ERROR_OK; +} + +enum adiv5_cfg_param { + CFG_DAP, + CFG_AP_NUM +}; + +static const Jim_Nvp nvp_config_opts[] = { + { .name = "-dap", .value = CFG_DAP }, + { .name = "-ap-num", .value = CFG_AP_NUM }, + { .name = NULL, .value = -1 } +}; + +int adiv5_jim_configure(struct target *target, Jim_GetOptInfo *goi) +{ + struct adiv5_private_config *pc; + int e; + + pc = (struct adiv5_private_config *)target->private_config; + if (pc == NULL) { + pc = calloc(1, sizeof(struct adiv5_private_config)); + pc->ap_num = DP_APSEL_INVALID; + target->private_config = pc; + } + + target->has_dap = true; + + if (goi->argc > 0) { + Jim_Nvp *n; + + Jim_SetEmptyResult(goi->interp); + + /* check first if topmost item is for us */ + e = Jim_Nvp_name2value_obj(goi->interp, nvp_config_opts, + goi->argv[0], &n); + if (e != JIM_OK) + return JIM_CONTINUE; + + e = Jim_GetOpt_Obj(goi, NULL); + if (e != JIM_OK) + return e; + + switch (n->value) { + case CFG_DAP: + if (goi->isconfigure) { + Jim_Obj *o_t; + struct adiv5_dap *dap; + e = Jim_GetOpt_Obj(goi, &o_t); + if (e != JIM_OK) + return e; + dap = dap_instance_by_jim_obj(goi->interp, o_t); + if (dap == NULL) { + Jim_SetResultString(goi->interp, "DAP name invalid!", -1); + return JIM_ERR; + } + if (pc->dap != NULL && pc->dap != dap) { + Jim_SetResultString(goi->interp, + "DAP assignment cannot be changed after target was created!", -1); + return JIM_ERR; + } + if (target->tap_configured) { + Jim_SetResultString(goi->interp, + "-chain-position and -dap configparams are mutually exclusive!", -1); + return JIM_ERR; + } + pc->dap = dap; + target->tap = dap->tap; + target->dap_configured = true; + } else { + if (goi->argc != 0) { + Jim_WrongNumArgs(goi->interp, + goi->argc, goi->argv, + "NO PARAMS"); + return JIM_ERR; + } + + if (pc->dap == NULL) { + Jim_SetResultString(goi->interp, "DAP not configured", -1); + return JIM_ERR; + } + Jim_SetResultString(goi->interp, adiv5_dap_name(pc->dap), -1); + } + break; + + case CFG_AP_NUM: + if (goi->isconfigure) { + jim_wide ap_num; + e = Jim_GetOpt_Wide(goi, &ap_num); + if (e != JIM_OK) + return e; + if (ap_num < 0 || ap_num > DP_APSEL_MAX) { + Jim_SetResultString(goi->interp, "Invalid AP number!", -1); + return JIM_ERR; + } + pc->ap_num = ap_num; + } else { + if (goi->argc != 0) { + Jim_WrongNumArgs(goi->interp, + goi->argc, goi->argv, + "NO PARAMS"); + return JIM_ERR; + } + + if (pc->ap_num == DP_APSEL_INVALID) { + Jim_SetResultString(goi->interp, "AP number not configured", -1); + return JIM_ERR; + } + Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, pc->ap_num)); + } + break; + } } + return JIM_OK; +} + +int adiv5_verify_config(struct adiv5_private_config *pc) +{ + if (pc == NULL) + return ERROR_FAIL; + + if (pc->dap == NULL) + return ERROR_FAIL; + return ERROR_OK; } + COMMAND_HANDLER(handle_dap_info_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); uint32_t apsel; switch (CMD_ARGC) { @@ -1365,7 +1547,7 @@ COMMAND_HANDLER(handle_dap_info_command) break; case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); - if (apsel >= 256) + if (apsel > DP_APSEL_MAX) return ERROR_COMMAND_SYNTAX_ERROR; break; default: @@ -1377,10 +1559,7 @@ COMMAND_HANDLER(handle_dap_info_command) COMMAND_HANDLER(dap_baseaddr_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; - + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); uint32_t apsel, baseaddr; int retval; @@ -1391,7 +1570,7 @@ COMMAND_HANDLER(dap_baseaddr_command) case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); /* AP address is in bits 31:24 of DP_SELECT */ - if (apsel >= 256) + if (apsel > DP_APSEL_MAX) return ERROR_COMMAND_SYNTAX_ERROR; break; default: @@ -1417,10 +1596,7 @@ COMMAND_HANDLER(dap_baseaddr_command) COMMAND_HANDLER(dap_memaccess_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; - + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); uint32_t memaccess_tck; switch (CMD_ARGC) { @@ -1443,21 +1619,17 @@ COMMAND_HANDLER(dap_memaccess_command) COMMAND_HANDLER(dap_apsel_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; - - uint32_t apsel, apid; - int retval; + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); + uint32_t apsel; switch (CMD_ARGC) { case 0: - apsel = dap->apsel; - break; + command_print(CMD_CTX, "%" PRIi32, dap->apsel); + return ERROR_OK; case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); /* AP address is in bits 31:24 of DP_SELECT */ - if (apsel >= 256) + if (apsel > DP_APSEL_MAX) return ERROR_COMMAND_SYNTAX_ERROR; break; default: @@ -1465,42 +1637,40 @@ COMMAND_HANDLER(dap_apsel_command) } dap->apsel = apsel; - - retval = dap_queue_ap_read(dap_ap(dap, apsel), AP_REG_IDR, &apid); - if (retval != ERROR_OK) - return retval; - retval = dap_run(dap); - if (retval != ERROR_OK) - return retval; - - command_print(CMD_CTX, "ap %" PRIi32 " selected, identification register 0x%8.8" PRIx32, - apsel, apid); - - return retval; + return ERROR_OK; } COMMAND_HANDLER(dap_apcsw_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; - - uint32_t apcsw = dap->ap[dap->apsel].csw_default, sprot = 0; + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); + uint32_t apcsw = dap->ap[dap->apsel].csw_default; + uint32_t csw_val, csw_mask; switch (CMD_ARGC) { case 0: - command_print(CMD_CTX, "apsel %" PRIi32 " selected, csw 0x%8.8" PRIx32, - (dap->apsel), apcsw); - break; + command_print(CMD_CTX, "ap %" PRIi32 " selected, csw 0x%8.8" PRIx32, + dap->apsel, apcsw); + return ERROR_OK; case 1: - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], sprot); - /* AP address is in bits 31:24 of DP_SELECT */ - if (sprot > 1) - return ERROR_COMMAND_SYNTAX_ERROR; - if (sprot) - apcsw |= CSW_SPROT; + if (strcmp(CMD_ARGV[0], "default") == 0) + csw_val = CSW_DEFAULT; else - apcsw &= ~CSW_SPROT; + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val); + + if (csw_val & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) { + LOG_ERROR("CSW value cannot include 'Size' and 'AddrInc' bit-fields"); + return ERROR_COMMAND_SYNTAX_ERROR; + } + apcsw = csw_val; + break; + case 2: + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val); + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], csw_mask); + if (csw_mask & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) { + LOG_ERROR("CSW mask cannot include 'Size' and 'AddrInc' bit-fields"); + return ERROR_COMMAND_SYNTAX_ERROR; + } + apcsw = (apcsw & ~csw_mask) | (csw_val & csw_mask); break; default: return ERROR_COMMAND_SYNTAX_ERROR; @@ -1514,10 +1684,7 @@ COMMAND_HANDLER(dap_apcsw_command) COMMAND_HANDLER(dap_apid_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; - + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); uint32_t apsel, apid; int retval; @@ -1528,7 +1695,7 @@ COMMAND_HANDLER(dap_apid_command) case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); /* AP address is in bits 31:24 of DP_SELECT */ - if (apsel >= 256) + if (apsel > DP_APSEL_MAX) return ERROR_COMMAND_SYNTAX_ERROR; break; default: @@ -1547,12 +1714,92 @@ COMMAND_HANDLER(dap_apid_command) return retval; } -COMMAND_HANDLER(dap_ti_be_32_quirks_command) +COMMAND_HANDLER(dap_apreg_command) { - struct target *target = get_current_target(CMD_CTX); - struct arm *arm = target_to_arm(target); - struct adiv5_dap *dap = arm->dap; + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); + uint32_t apsel, reg, value; + struct adiv5_ap *ap; + int retval; + + if (CMD_ARGC < 2 || CMD_ARGC > 3) + return ERROR_COMMAND_SYNTAX_ERROR; + + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); + /* AP address is in bits 31:24 of DP_SELECT */ + if (apsel > DP_APSEL_MAX) + return ERROR_COMMAND_SYNTAX_ERROR; + ap = dap_ap(dap, apsel); + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], reg); + if (reg >= 256 || (reg & 3)) + return ERROR_COMMAND_SYNTAX_ERROR; + + if (CMD_ARGC == 3) { + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], value); + switch (reg) { + case MEM_AP_REG_CSW: + ap->csw_value = 0; /* invalid, in case write fails */ + retval = dap_queue_ap_write(ap, reg, value); + if (retval == ERROR_OK) + ap->csw_value = value; + break; + case MEM_AP_REG_TAR: + ap->tar_valid = false; /* invalid, force write */ + retval = mem_ap_setup_tar(ap, value); + break; + default: + retval = dap_queue_ap_write(ap, reg, value); + break; + } + } else { + retval = dap_queue_ap_read(ap, reg, &value); + } + if (retval == ERROR_OK) + retval = dap_run(dap); + + if (retval != ERROR_OK) + return retval; + + if (CMD_ARGC == 2) + command_print(CMD_CTX, "0x%08" PRIx32, value); + + return retval; +} + +COMMAND_HANDLER(dap_dpreg_command) +{ + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); + uint32_t reg, value; + int retval; + + if (CMD_ARGC < 1 || CMD_ARGC > 2) + return ERROR_COMMAND_SYNTAX_ERROR; + + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], reg); + if (reg >= 256 || (reg & 3)) + return ERROR_COMMAND_SYNTAX_ERROR; + + if (CMD_ARGC == 2) { + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value); + retval = dap_queue_dp_write(dap, reg, value); + } else { + retval = dap_queue_dp_read(dap, reg, &value); + } + if (retval == ERROR_OK) + retval = dap_run(dap); + + if (retval != ERROR_OK) + return retval; + + if (CMD_ARGC == 1) + command_print(CMD_CTX, "0x%08" PRIx32, value); + + return retval; +} + +COMMAND_HANDLER(dap_ti_be_32_quirks_command) +{ + struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA); uint32_t enable = dap->ti_be_32_quirks; switch (CMD_ARGC) { @@ -1573,7 +1820,7 @@ COMMAND_HANDLER(dap_ti_be_32_quirks_command) return 0; } -static const struct command_registration dap_commands[] = { +const struct command_registration dap_instance_commands[] = { { .name = "info", .handler = handle_dap_info_command, @@ -1585,7 +1832,7 @@ static const struct command_registration dap_commands[] = { { .name = "apsel", .handler = dap_apsel_command, - .mode = COMMAND_EXEC, + .mode = COMMAND_ANY, .help = "Set the currently selected AP (default 0) " "and display the result", .usage = "[ap_num]", @@ -1593,9 +1840,9 @@ static const struct command_registration dap_commands[] = { { .name = "apcsw", .handler = dap_apcsw_command, - .mode = COMMAND_EXEC, - .help = "Set csw access bit ", - .usage = "[sprot]", + .mode = COMMAND_ANY, + .help = "Set CSW default bits", + .usage = "[value [mask]]", }, { @@ -1606,6 +1853,22 @@ static const struct command_registration dap_commands[] = { "(default currently selected AP)", .usage = "[ap_num]", }, + { + .name = "apreg", + .handler = dap_apreg_command, + .mode = COMMAND_EXEC, + .help = "read/write a register from AP " + "(reg is byte address of a word register, like 0 4 8...)", + .usage = "ap_num reg [value]", + }, + { + .name = "dpreg", + .handler = dap_dpreg_command, + .mode = COMMAND_EXEC, + .help = "read/write a register from DP " + "(reg is byte address (bank << 4 | reg) of a word register, like 0 4 8...)", + .usage = "reg [value]", + }, { .name = "baseaddr", .handler = dap_baseaddr_command, @@ -1631,14 +1894,3 @@ static const struct command_registration dap_commands[] = { }, COMMAND_REGISTRATION_DONE }; - -const struct command_registration dap_command_handlers[] = { - { - .name = "dap", - .mode = COMMAND_EXEC, - .help = "DAP command group", - .usage = "", - .chain = dap_commands, - }, - COMMAND_REGISTRATION_DONE -};