diff options
Diffstat (limited to 'src/target/arm_adi_v5.h')
| -rw-r--r-- | src/target/arm_adi_v5.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h index a8070273..759f2333 100644 --- a/src/target/arm_adi_v5.h +++ b/src/target/arm_adi_v5.h @@ -155,16 +155,18 @@ struct swjdp_common }; -/* Accessor function for currently selected DAP-AP number */ +/** Accessor for currently selected DAP-AP number (0..255) */ static inline uint8_t dap_ap_get_select(struct swjdp_common *swjdp) { return (uint8_t)(swjdp ->apsel >> 24); } -/* Queued transactions -- use with care */ +/* AP selection applies to future AP transactions */ +void dap_ap_select(struct swjdp_common *dap,uint8_t apsel); + +/* AP transactions ... synchronous given TRANS_MODE_ATOMIC */ int dap_setup_accessport(struct swjdp_common *swjdp, uint32_t csw, uint32_t tar); -int dap_ap_select(struct swjdp_common *swjdp,uint8_t apsel); int dap_ap_write_reg_u32(struct swjdp_common *swjdp, uint32_t addr, uint32_t value); int dap_ap_read_reg_u32(struct swjdp_common *swjdp, @@ -173,11 +175,11 @@ int dap_ap_read_reg_u32(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 */ +/* Queued MEM-AP memory mapped single word transfers */ int mem_ap_read_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t *value); int mem_ap_write_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t value); -/* MEM-AP memory mapped bus transfers, single registers, complete transactions */ +/* Synchronous MEM-AP memory mapped single word transfers */ int mem_ap_read_atomic_u32(struct swjdp_common *swjdp, uint32_t address, uint32_t *value); int mem_ap_write_atomic_u32(struct swjdp_common *swjdp, |