diff options
Diffstat (limited to 'src/target/arm_adi_v5.h')
| -rw-r--r-- | src/target/arm_adi_v5.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h index 6e2d8a1..17365bd 100644 --- a/src/target/arm_adi_v5.h +++ b/src/target/arm_adi_v5.h @@ -158,6 +158,15 @@ #define DP_APSEL_MAX (255) #define DP_APSEL_INVALID (-1) +/* FIXME: not SWD specific; should be renamed, e.g. adiv5_special_seq */ +enum swd_special_seq { + LINE_RESET, + JTAG_TO_SWD, + SWD_TO_JTAG, + SWD_TO_DORMANT, + DORMANT_TO_SWD, +}; + /** * This represents an ARM Debug Interface (v5) Access Port (AP). * Most common is a MEM-AP, for memory access. @@ -234,6 +243,12 @@ struct adiv5_dap { /* dap transaction list for WAIT support */ struct list_head cmd_journal; + /* pool for dap_cmd objects */ + struct list_head cmd_pool; + + /* number of dap_cmd objects in the pool */ + size_t cmd_pool_size; + struct jtag_tap *tap; /* Control config */ uint32_t dp_ctrl_stat; @@ -265,6 +280,12 @@ struct adiv5_dap { bool ti_be_32_quirks; /** + * STLINK adapter need to know if last AP operation was read or write, and + * in case of write has to flush it with a dummy read from DP_RDBUFF + */ + bool stlink_flush_ap_write; + + /** * Signals that an attempt to reestablish communication afresh * should be performed before the next access. */ @@ -285,6 +306,10 @@ struct adiv5_dap { struct dap_ops { /** connect operation for SWD */ int (*connect)(struct adiv5_dap *dap); + + /** send a sequence to the DAP */ + int (*send_sequence)(struct adiv5_dap *dap, enum swd_special_seq seq); + /** DP register read. */ int (*queue_dp_read)(struct adiv5_dap *dap, unsigned reg, uint32_t *data); @@ -333,6 +358,21 @@ enum ap_type { }; /** + * Send an adi-v5 sequence to the DAP. + * + * @param dap The DAP used for reading. + * @param seq The sequence to send. + * + * @return ERROR_OK for success, else a fault code. + */ +static inline int dap_send_sequence(struct adiv5_dap *dap, + enum swd_special_seq seq) +{ + assert(dap->ops != NULL); + return dap->ops->send_sequence(dap, seq); +} + +/** * Queue a DP register read. * Note that not all DP registers are readable; also, that JTAG and SWD * have slight differences in DP register support. |