diff options
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/arm_adi_v5.c | 93 |
1 files changed, 78 insertions, 15 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index c5d369b5..f5294469 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -151,7 +151,7 @@ int dap_setup_accessport(struct adiv5_dap *dap, uint32_t csw, uint32_t tar) csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT; if (csw != dap->ap_csw_value) { - /* LOG_DEBUG("DAP: Set CSW %x",csw); */ + LOG_DEBUG("DAP: Set CSW %x",csw); retval = dap_queue_ap_write(dap, AP_REG_CSW, csw); if (retval != ERROR_OK) return retval; @@ -159,7 +159,7 @@ int dap_setup_accessport(struct adiv5_dap *dap, uint32_t csw, uint32_t tar) } if (tar != dap->ap_tar_value) { - /* LOG_DEBUG("DAP: Set TAR %x",tar); */ + LOG_DEBUG("DAP: Set TAR %x",tar); retval = dap_queue_ap_write(dap, AP_REG_TAR, tar); if (retval != ERROR_OK) return retval; @@ -585,7 +585,7 @@ extern int adi_jtag_dp_scan(struct adiv5_dap *dap, * @param address Memory address from which to read words; all the * words must be readable by the currently selected MEM-AP. */ -int mem_ap_read_buf_u32(struct adiv5_dap *dap, uint8_t *buffer, +int mem_ap_read_buf_u32_old(struct adiv5_dap *dap, uint8_t *buffer, int count, uint32_t address) { int wcount, blocksize, readcount, errorcount = 0, retval = ERROR_OK; @@ -688,6 +688,77 @@ int mem_ap_read_buf_u32(struct adiv5_dap *dap, uint8_t *buffer, return retval; } + +int mem_ap_read_buf_u32(struct adiv5_dap *dap, uint8_t *buffer, + int count, uint32_t address) +{ +// int wcount, blocksize, readcount, errorcount = 0, retval = ERROR_OK; +// uint32_t invalue, adr = address; +// uint8_t* pBuffer = buffer; + + int i, retval; + uint32_t invalue; + //count >>= 2; +// wcount = count; + + while (count > 0) + { + retval = dap_setup_accessport(dap, CSW_32BIT | CSW_ADDRINC_SINGLE, address); + if (retval != ERROR_OK) + return retval; + retval = dap_queue_ap_read(dap, AP_REG_DRW, &invalue); + if (retval != ERROR_OK) + break; + + retval = dap_run(dap); + if (retval != ERROR_OK) + break; + + if (address & 0x3u) + { + for (i = 0; i < 4; i++) + { + *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3)); + buffer++; + address++; + } + } + else + { + uint32_t svalue = (invalue >> 8 * (address & 0x3)); + memcpy(buffer, &svalue, sizeof(uint32_t)); + address += 4; + buffer += 4; + } + count -= 4; + } + + /* if we have an unaligned access - reorder data + if (adr & 0x3u) + { + for (readcount = 0; readcount < count; readcount++) + { + int i; + uint32_t data; + memcpy(&data, pBuffer, sizeof(uint32_t)); + + for (i = 0; i < 4; i++) + { + *((uint8_t*)pBuffer) = + (data >> 8 * (adr & 0x3)); + pBuffer++; + adr++; + } + } + } + */ + + return retval; +} + + + + static int mem_ap_read_buf_packed_u16(struct adiv5_dap *dap, uint8_t *buffer, int count, uint32_t address) { @@ -997,22 +1068,14 @@ int ahbap_debugport_init(struct adiv5_dap *dap) LOG_DEBUG(" "); - /* JTAG-DP or SWJ-DP, in JTAG mode - * ... for SWD mode this is patched as part - * of link switchover - * - * if (!dap->ops) - * dap->ops = &jtag_dp_ops; - */ - - /** Here we connect transport-specific function set to work with DAP. - * Transport initialization is also part of interface initialization. + /** Here we select transport-specific function set to work with the DAP. * Target must select which transport to use (if supports many of them). - * If SWD transport is not selected JTAG is set here as default. + * This function set can also be setup by transport selection routine. + * If SWD (ot other) transport is not selected JTAG is set as default. */ if ((strncmp(jtag_interface->transport->name, "swd", 3)==0)) { LOG_INFO("Selecting SWD transport command set."); - dap->ops = (struct dap_ops *)&oocd_dap_ops_swd; + dap->ops = &oocd_dap_ops_swd; } else { LOG_INFO("Selecting JTAG transport command set."); dap->ops = &jtag_dp_ops; |