diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/arm_adi_v5.c | 78 |
1 files changed, 46 insertions, 32 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 2e3dafb9..1eff3355 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -450,12 +450,14 @@ static int dap_ap_bankselect(struct swjdp_common *swjdp, uint32_t ap_reg) static int dap_ap_write_reg(struct swjdp_common *swjdp, uint32_t reg_addr, uint8_t *out_value_buf) { - dap_ap_bankselect(swjdp, reg_addr); - scan_inout_check(swjdp, JTAG_DP_APACC, reg_addr, - DPAP_WRITE, out_value_buf, NULL); + int retval; - /* FIXME return fault code from above calls */ - return ERROR_OK; + retval = dap_ap_bankselect(swjdp, reg_addr); + if (retval != ERROR_OK) + return retval; + + return scan_inout_check(swjdp, JTAG_DP_APACC, reg_addr, + DPAP_WRITE, out_value_buf, NULL); } /** @@ -477,12 +479,8 @@ int dap_ap_write_reg_u32(struct swjdp_common *swjdp, uint8_t out_value_buf[4]; buf_set_u32(out_value_buf, 0, 32, value); - dap_ap_bankselect(swjdp, reg_addr); - scan_inout_check(swjdp, JTAG_DP_APACC, reg_addr, - DPAP_WRITE, out_value_buf, NULL); - - /* FIXME return any fault code from above calls */ - return ERROR_OK; + return dap_ap_write_reg(swjdp, + reg_addr, out_value_buf); } /** @@ -501,12 +499,14 @@ int dap_ap_write_reg_u32(struct swjdp_common *swjdp, int dap_ap_read_reg_u32(struct swjdp_common *swjdp, uint32_t reg_addr, uint32_t *value) { - dap_ap_bankselect(swjdp, reg_addr); - scan_inout_check_u32(swjdp, JTAG_DP_APACC, reg_addr, - DPAP_READ, 0, value); + int retval; - /* FIXME return any fault code from above calls */ - return ERROR_OK; + retval = dap_ap_bankselect(swjdp, reg_addr); + if (retval != ERROR_OK) + return retval; + + return scan_inout_check_u32(swjdp, JTAG_DP_APACC, reg_addr, + DPAP_READ, 0, value); } /** @@ -533,19 +533,23 @@ int dap_ap_read_reg_u32(struct swjdp_common *swjdp, */ int dap_setup_accessport(struct swjdp_common *swjdp, uint32_t csw, uint32_t tar) { + int retval; + csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT; if (csw != swjdp->ap_csw_value) { /* LOG_DEBUG("DAP: Set CSW %x",csw); */ - /* FIXME if this call fails, fail this procedure! */ - dap_ap_write_reg_u32(swjdp, AP_REG_CSW, csw); + retval = dap_ap_write_reg_u32(swjdp, AP_REG_CSW, csw); + if (retval != ERROR_OK) + return retval; swjdp->ap_csw_value = csw; } if (tar != swjdp->ap_tar_value) { /* LOG_DEBUG("DAP: Set TAR %x",tar); */ - /* FIXME if this call fails, fail this procedure! */ - dap_ap_write_reg_u32(swjdp, AP_REG_TAR, tar); + retval = dap_ap_write_reg_u32(swjdp, AP_REG_TAR, tar); + if (retval != ERROR_OK) + return retval; swjdp->ap_tar_value = tar; } /* Disable TAR cache when autoincrementing */ @@ -568,17 +572,19 @@ int dap_setup_accessport(struct swjdp_common *swjdp, uint32_t csw, uint32_t tar) int mem_ap_read_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t *value) { + int retval; + swjdp->trans_mode = TRANS_MODE_COMPOSITE; /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when reading several consecutive addresses. */ - dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, + retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, address & 0xFFFFFFF0); - dap_ap_read_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value); + if (retval != ERROR_OK) + return retval; - /* FIXME return any fault code from above calls */ - return ERROR_OK; + return dap_ap_read_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value); } /** @@ -596,8 +602,11 @@ int mem_ap_read_u32(struct swjdp_common *swjdp, uint32_t address, int mem_ap_read_atomic_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t *value) { - mem_ap_read_u32(swjdp, address, value); - /* FIXME return any fault code from above call */ + int retval; + + retval = mem_ap_read_u32(swjdp, address, value); + if (retval != ERROR_OK) + return retval; return jtagdp_transaction_endcheck(swjdp); } @@ -616,17 +625,20 @@ int mem_ap_read_atomic_u32(struct swjdp_common *swjdp, uint32_t address, int mem_ap_write_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t value) { + int retval; + swjdp->trans_mode = TRANS_MODE_COMPOSITE; /* Use banked addressing (REG_BDx) to avoid some link traffic * (updating TAR) when writing several consecutive addresses. */ - dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, + retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, address & 0xFFFFFFF0); - dap_ap_write_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), value); + if (retval != ERROR_OK) + return retval; - /* FIXME return any fault code from above calls */ - return ERROR_OK; + return dap_ap_write_reg_u32(swjdp, AP_REG_BD0 | (address & 0xC), + value); } /** @@ -643,8 +655,10 @@ int mem_ap_write_u32(struct swjdp_common *swjdp, uint32_t address, int mem_ap_write_atomic_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t value) { - mem_ap_write_u32(swjdp, address, value); - /* FIXME return any fault code from above call */ + int retval = mem_ap_write_u32(swjdp, address, value); + + if (retval != ERROR_OK) + return retval; return jtagdp_transaction_endcheck(swjdp); } |