From 3d3128a8f5bb15f1d05ac5eb7ecc5e692ae290ce Mon Sep 17 00:00:00 2001 From: David Brownell Date: Fri, 29 Jan 2010 14:31:19 -0800 Subject: ADIv5: cleanup, rename swjdp_transaction_endcheck() Make messages reference "DAP" if they're actually transport-agnostic, or "JTAG-DP" when they're JTAG-specific. Saying SWJ-DP is often wrong (on most Cortex-A8 chips) and is confusing even if correct (since we don't yet support SWD). Rename a JTAG-specific routine to jtagdp_transaction_endcheck() to highlight that it's JTAG-specific, and that identify DAP clients undesirably depending on JTAG. (They will all need to change for SWD support.) Shrink a few overlong lines of code. Copy a comment from code removed in a previous patch (for the ARMv7-M "dap baseaddr" command). Signed-off-by: David Brownell --- src/target/arm_adi_v5.c | 65 ++++++++++++++++++++++++++++--------------------- src/target/arm_adi_v5.h | 4 +-- src/target/cortex_m3.c | 8 +++--- 3 files changed, 43 insertions(+), 34 deletions(-) (limited to 'src') diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 2ba89e5f..b8744d55 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -220,7 +220,7 @@ static int scan_inout_check(struct swjdp_common *swjdp, */ if ((instr == JTAG_DP_APACC) && (swjdp->trans_mode == TRANS_MODE_ATOMIC)) - return swjdp_transaction_endcheck(swjdp); + return jtagdp_transaction_endcheck(swjdp); return ERROR_OK; } @@ -244,12 +244,12 @@ static int scan_inout_check_u32(struct swjdp_common *swjdp, */ if ((instr == JTAG_DP_APACC) && (swjdp->trans_mode == TRANS_MODE_ATOMIC)) - return swjdp_transaction_endcheck(swjdp); + return jtagdp_transaction_endcheck(swjdp); return ERROR_OK; } -int swjdp_transaction_endcheck(struct swjdp_common *swjdp) +int jtagdp_transaction_endcheck(struct swjdp_common *swjdp) { int retval; uint32_t ctrlstat; @@ -322,7 +322,7 @@ int swjdp_transaction_endcheck(struct swjdp_common *swjdp) /* Check for STICKYERR and STICKYORUN */ if (ctrlstat & (SSTICKYORUN | SSTICKYERR)) { - LOG_DEBUG("swjdp: CTRL/STAT error 0x%" PRIx32 "", ctrlstat); + LOG_DEBUG("jtag-dp: CTRL/STAT error, 0x%" PRIx32, ctrlstat); /* Check power to debug regions */ if ((ctrlstat & 0xf0000000) != 0xf0000000) { @@ -333,7 +333,10 @@ int swjdp_transaction_endcheck(struct swjdp_common *swjdp) uint32_t mem_ap_csw, mem_ap_tar; /* Print information about last AHBAP access */ - LOG_ERROR("AHBAP Cached values: dp_select 0x%" PRIx32 ", ap_csw 0x%" PRIx32 ", ap_tar 0x%" PRIx32 "", swjdp->dp_select_value, swjdp->ap_csw_value, swjdp->ap_tar_value); + LOG_ERROR("AHBAP Cached values: dp_select 0x%" PRIx32 + ", ap_csw 0x%" PRIx32 ", ap_tar 0x%" PRIx32, + swjdp->dp_select_value, swjdp->ap_csw_value, + swjdp->ap_tar_value); if (ctrlstat & SSTICKYORUN) LOG_ERROR("JTAG-DP OVERRUN - " "check clock or reduce jtag speed"); @@ -351,13 +354,14 @@ int swjdp_transaction_endcheck(struct swjdp_common *swjdp) if ((retval = jtag_execute_queue()) != ERROR_OK) return retval; - LOG_DEBUG("swjdp: status 0x%" PRIx32 "", ctrlstat); + LOG_DEBUG("jtag-dp: CTRL/STAT 0x%" PRIx32, ctrlstat); dap_ap_read_reg_u32(swjdp, AP_REG_CSW, &mem_ap_csw); dap_ap_read_reg_u32(swjdp, AP_REG_TAR, &mem_ap_tar); if ((retval = jtag_execute_queue()) != ERROR_OK) return retval; - LOG_ERROR("Read MEM_AP_CSW 0x%" PRIx32 ", MEM_AP_TAR 0x%" PRIx32 "", mem_ap_csw, mem_ap_tar); + LOG_ERROR("MEM_AP_CSW 0x%" PRIx32 ", MEM_AP_TAR 0x%" + PRIx32, mem_ap_csw, mem_ap_tar); } if ((retval = jtag_execute_queue()) != ERROR_OK) @@ -461,13 +465,13 @@ int dap_setup_accessport(struct swjdp_common *swjdp, uint32_t csw, uint32_t tar) csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT; if (csw != swjdp->ap_csw_value) { - /* LOG_DEBUG("swjdp : Set CSW %x",csw); */ + /* LOG_DEBUG("DAP: Set CSW %x",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); */ + /* LOG_DEBUG("DAP: Set TAR %x",tar); */ dap_ap_write_reg_u32(swjdp, AP_REG_TAR, tar); swjdp->ap_tar_value = tar; } @@ -501,7 +505,7 @@ int mem_ap_read_atomic_u32(struct swjdp_common *swjdp, uint32_t address, uint32_ { mem_ap_read_u32(swjdp, address, value); - return swjdp_transaction_endcheck(swjdp); + return jtagdp_transaction_endcheck(swjdp); } /***************************************************************************** @@ -525,7 +529,7 @@ int mem_ap_write_atomic_u32(struct swjdp_common *swjdp, uint32_t address, uint32 { mem_ap_write_u32(swjdp, address, value); - return swjdp_transaction_endcheck(swjdp); + return jtagdp_transaction_endcheck(swjdp); } /***************************************************************************** @@ -583,7 +587,7 @@ int mem_ap_write_buf_u32(struct swjdp_common *swjdp, uint8_t *buffer, int count, dap_ap_write_reg(swjdp, AP_REG_DRW, buffer + 4 * writecount); } - if (swjdp_transaction_endcheck(swjdp) == ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) == ERROR_OK) { wcount = wcount - blocksize; address = address + 4 * blocksize; @@ -659,7 +663,7 @@ static int mem_ap_write_buf_packed_u16(struct swjdp_common *swjdp, memcpy(&outvalue, buffer, sizeof(uint32_t)); dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue); - if (swjdp_transaction_endcheck(swjdp) != ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) != ERROR_OK) { LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count); return ERROR_JTAG_DEVICE_ERROR; @@ -692,7 +696,7 @@ int mem_ap_write_buf_u16(struct swjdp_common *swjdp, uint8_t *buffer, int count, 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); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); count -= 2; address += 2; buffer += 2; @@ -752,7 +756,7 @@ static int mem_ap_write_buf_packed_u8(struct swjdp_common *swjdp, memcpy(&outvalue, buffer, sizeof(uint32_t)); dap_ap_write_reg_u32(swjdp, AP_REG_DRW, outvalue); - if (swjdp_transaction_endcheck(swjdp) != ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) != ERROR_OK) { LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count); return ERROR_JTAG_DEVICE_ERROR; @@ -783,7 +787,7 @@ int mem_ap_write_buf_u8(struct swjdp_common *swjdp, uint8_t *buffer, int count, 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); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); count--; address++; buffer++; @@ -843,7 +847,7 @@ int mem_ap_read_buf_u32(struct swjdp_common *swjdp, uint8_t *buffer, int count, adi_jtag_dp_scan(swjdp, JTAG_DP_DPACC, DP_RDBUFF, DPAP_READ, 0, buffer + 4 * readcount, &swjdp->ack); - if (swjdp_transaction_endcheck(swjdp) == ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) == ERROR_OK) { wcount = wcount - blocksize; address += 4 * blocksize; @@ -912,7 +916,7 @@ static int mem_ap_read_buf_packed_u16(struct swjdp_common *swjdp, do { dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue); - if (swjdp_transaction_endcheck(swjdp) != ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) != ERROR_OK) { LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count); return ERROR_JTAG_DEVICE_ERROR; @@ -949,7 +953,7 @@ int mem_ap_read_buf_u16(struct swjdp_common *swjdp, uint8_t *buffer, int count, { dap_setup_accessport(swjdp, CSW_16BIT | CSW_ADDRINC_SINGLE, address); dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); if (address & 0x1) { for (i = 0; i < 2; i++) @@ -1005,7 +1009,7 @@ static int mem_ap_read_buf_packed_u8(struct swjdp_common *swjdp, do { dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue); - if (swjdp_transaction_endcheck(swjdp) != ERROR_OK) + if (jtagdp_transaction_endcheck(swjdp) != ERROR_OK) { LOG_WARNING("Block read error address 0x%" PRIx32 ", count 0x%x", address, count); return ERROR_JTAG_DEVICE_ERROR; @@ -1042,7 +1046,7 @@ int mem_ap_read_buf_u8(struct swjdp_common *swjdp, uint8_t *buffer, int count, u { dap_setup_accessport(swjdp, CSW_8BIT | CSW_ADDRINC_SINGLE, address); dap_ap_read_reg_u32(swjdp, AP_REG_DRW, &invalue); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); *((uint8_t*)buffer) = (invalue >> 8 * (address & 0x3)); count--; address++; @@ -1095,7 +1099,7 @@ int ahbap_debugport_init(struct swjdp_common *swjdp) /* Check that we have debug power domains activated */ while (!(ctrlstat & CDBGPWRUPACK) && (cnt++ < 10)) { - LOG_DEBUG("swjdp: wait CDBGPWRUPACK"); + LOG_DEBUG("DAP: wait CDBGPWRUPACK"); dap_dp_read_reg(swjdp, &ctrlstat, DP_CTRL_STAT); if ((retval = jtag_execute_queue()) != ERROR_OK) return retval; @@ -1104,7 +1108,7 @@ int ahbap_debugport_init(struct swjdp_common *swjdp) while (!(ctrlstat & CSYSPWRUPACK) && (cnt++ < 10)) { - LOG_DEBUG("swjdp: wait CSYSPWRUPACK"); + LOG_DEBUG("DAP: wait CSYSPWRUPACK"); dap_dp_read_reg(swjdp, &ctrlstat, DP_CTRL_STAT); if ((retval = jtag_execute_queue()) != ERROR_OK) return retval; @@ -1163,7 +1167,7 @@ int dap_info_command(struct command_context *cmd_ctx, struct swjdp_common *swjdp dap_ap_select(swjdp, apsel); dap_ap_read_reg_u32(swjdp, AP_REG_BASE, &dbgbase); dap_ap_read_reg_u32(swjdp, AP_REG_IDR, &apid); - swjdp_transaction_endcheck(swjdp); + jtagdp_transaction_endcheck(swjdp); /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */ mem_ap = ((apid&0x10000) && ((apid&0x0F) != 0)); command_print(cmd_ctx, "AP ID register 0x%8.8" PRIx32, apid); @@ -1215,7 +1219,7 @@ int dap_info_command(struct command_context *cmd_ctx, struct swjdp_common *swjdp mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFF8, &cid2); mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFFC, &cid3); mem_ap_read_u32(swjdp, (dbgbase&0xFFFFF000) | 0xFCC, &memtype); - swjdp_transaction_endcheck(swjdp); + jtagdp_transaction_endcheck(swjdp); if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) command_print(cmd_ctx, "\tCID3 0x%2.2" PRIx32 ", CID2 0x%2.2" PRIx32 @@ -1519,8 +1523,13 @@ DAP_COMMAND_HANDLER(dap_baseaddr_command) if (apselsave != apsel) dap_ap_select(swjdp, apsel); + /* NOTE: assumes we're talking to a MEM-AP, which + * has a base address. There are other kinds of AP, + * though they're not common for now. This should + * use the ID register to verify it's a MEM-AP. + */ dap_ap_read_reg_u32(swjdp, AP_REG_BASE, &baseaddr); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); command_print(CMD_CTX, "0x%8.8" PRIx32, baseaddr); if (apselsave != apsel) @@ -1569,7 +1578,7 @@ DAP_COMMAND_HANDLER(dap_apsel_command) dap_ap_select(swjdp, apsel); dap_ap_read_reg_u32(swjdp, AP_REG_IDR, &apid); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); command_print(CMD_CTX, "ap %" PRIi32 " selected, identification register 0x%8.8" PRIx32, apsel, apid); @@ -1597,7 +1606,7 @@ DAP_COMMAND_HANDLER(dap_apid_command) dap_ap_select(swjdp, apsel); dap_ap_read_reg_u32(swjdp, AP_REG_IDR, &apid); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); command_print(CMD_CTX, "0x%8.8" PRIx32, apid); if (apselsave != apsel) dap_ap_select(swjdp, apselsave); diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h index 861a13de..a8070273 100644 --- a/src/target/arm_adi_v5.h +++ b/src/target/arm_adi_v5.h @@ -170,8 +170,8 @@ int dap_ap_write_reg_u32(struct swjdp_common *swjdp, int dap_ap_read_reg_u32(struct swjdp_common *swjdp, uint32_t addr, uint32_t *value); -/* Queued transactions must be completed with swjdp_transaction_endcheck() */ -int swjdp_transaction_endcheck(struct swjdp_common *swjdp); +/* Queued JTAG ops must be completed with jtagdp_transaction_endcheck() */ +int jtagdp_transaction_endcheck(struct swjdp_common *swjdp); /* MEM-AP memory mapped bus single uint32_t register transfers, without endcheck */ int mem_ap_read_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t *value); diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index 3bbe42c9..3f347697 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -80,7 +80,7 @@ static int cortexm3_dap_read_coreregister_u32(struct swjdp_common *swjdp, dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRDR & 0xFFFFFFF0); dap_ap_read_reg_u32(swjdp, AP_REG_BD0 | (DCB_DCRDR & 0xC), value); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); /* restore DCB_DCRDR - this needs to be in a seperate * transaction otherwise the emulated DCC channel breaks */ @@ -111,7 +111,7 @@ static int cortexm3_dap_write_coreregister_u32(struct swjdp_common *swjdp, dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0); dap_ap_write_reg_u32(swjdp, AP_REG_BD0 | (DCB_DCRSR & 0xC), regnum | DCRSR_WnR); - retval = swjdp_transaction_endcheck(swjdp); + retval = jtagdp_transaction_endcheck(swjdp); /* restore DCB_DCRDR - this needs to be in a seperate * transaction otherwise the emulated DCC channel breaks */ @@ -238,7 +238,7 @@ static int cortex_m3_endreset_event(struct target *target) target_write_u32(target, dwt_list[i].dwt_comparator_address + 8, dwt_list[i].function); } - swjdp_transaction_endcheck(swjdp); + jtagdp_transaction_endcheck(swjdp); register_cache_invalidate(cortex_m3->armv7m.core_cache); @@ -317,7 +317,7 @@ static int cortex_m3_examine_exception_reason(struct target *target) except_sr = 0; break; } - swjdp_transaction_endcheck(swjdp); + jtagdp_transaction_endcheck(swjdp); LOG_DEBUG("%s SHCSR 0x%" PRIx32 ", SR 0x%" PRIx32 ", CFSR 0x%" PRIx32 ", AR 0x%" PRIx32 "", armv7m_exception_string(armv7m->exception_number), \ shcsr, except_sr, cfsr, except_ar); return ERROR_OK; -- cgit v1.2.3