X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Ftarget%2Farm_adi_v5.h;h=37b7771231b2fa70d65dbbad796d55ec83a4e03b;hb=388d041e0fc234d76a3d27037a94603df1cebfe6;hp=ec4a179d8c4f2e4d66731d3ff94e4a09e124537b;hpb=db6c994642f29b7d47abb4233494a606fbb65369;p=fw%2Fopenocd diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h index ec4a179d8..37b777123 100644 --- a/src/target/arm_adi_v5.h +++ b/src/target/arm_adi_v5.h @@ -20,6 +20,7 @@ * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + #ifndef ARM_ADI_V5_H #define ARM_ADI_V5_H @@ -32,15 +33,11 @@ #include "arm_jtag.h" -/* JTAG instructions/registers for JTAG-DP and SWJ-DP */ -#define JTAG_DP_ABORT 0x8 +/* FIXME remove these JTAG-specific decls when mem_ap_read_buf_u32() + * is no longer JTAG-specific + */ #define JTAG_DP_DPACC 0xA #define JTAG_DP_APACC 0xB -#define JTAG_DP_IDCODE 0xE - -/* three-bit ACK values for DPACC and APACC reads */ -#define JTAG_ACK_OK_FAULT 0x2 -#define JTAG_ACK_WAIT 0x1 /* three-bit ACK values for SWD access (sent LSB first) */ #define SWD_ACK_OK 0x4 @@ -63,6 +60,9 @@ #define DP_SELECT 0x8 /* JTAG: r/w; SWD: write */ #define DP_RDBUFF 0xC /* read-only */ +#define WCR_TO_TRN(wcr) (1 + (3 & ((wcr)) >> 8)) /* 1..4 clocks */ +#define WCR_TO_PRESCALE(wcr) (7 & ((wcr))) /* impl defined */ + /* Fields of the DP's AP ABORT register */ #define DAPABORT (1 << 0) #define STKCMPCLR (1 << 1) /* SWD-only */ @@ -133,24 +133,23 @@ * a choice made at board design time (by only using the SWD pins), or * as part of setting up a debug session (if all the dual-role JTAG/SWD * signals are available). - * - * @todo Rename "swjdp_common" as "dap". Use of SWJ-DP is optional! */ -struct swjdp_common -{ +struct adiv5_dap { const struct dap_ops *ops; struct arm_jtag *jtag_info; /* Control config */ uint32_t dp_ctrl_stat; + uint32_t apsel; + /** * Cache for DP_SELECT bits identifying the current AP. A DAP may * connect to multiple APs, such as one MEM-AP for general access, * another reserved for accessing debug modules, and a JTAG-DP. * "-1" indicates no cached value. */ - uint32_t apsel; + uint32_t ap_current; /** * Cache for DP_SELECT bits identifying the current four-word AP @@ -182,9 +181,9 @@ struct swjdp_common * MEM-AP access before we try to read its status (and/or result). */ uint32_t memaccess_tck; + /* Size of TAR autoincrement block, ARM ADI Specification requires at least 10 bits */ uint32_t tar_autoincr_block; - }; /** @@ -201,27 +200,28 @@ struct dap_ops { bool is_swd; /** Reads the DAP's IDCODe register. */ - int (*queue_idcode_read)(struct swjdp_common *dap, + int (*queue_idcode_read)(struct adiv5_dap *dap, uint8_t *ack, uint32_t *data); /** DP register read. */ - int (*queue_dp_read)(struct swjdp_common *dap, unsigned reg, + int (*queue_dp_read)(struct adiv5_dap *dap, unsigned reg, uint32_t *data); /** DP register write. */ - int (*queue_dp_write)(struct swjdp_common *dap, unsigned reg, + int (*queue_dp_write)(struct adiv5_dap *dap, unsigned reg, uint32_t data); /** AP register read. */ - int (*queue_ap_read)(struct swjdp_common *dap, unsigned reg, + int (*queue_ap_read)(struct adiv5_dap *dap, unsigned reg, uint32_t *data); /** AP register write. */ - int (*queue_ap_write)(struct swjdp_common *dap, unsigned reg, + int (*queue_ap_write)(struct adiv5_dap *dap, unsigned reg, uint32_t data); + /** AP operation abort. */ - int (*queue_ap_abort)(struct swjdp_common *dap, uint8_t *ack); + int (*queue_ap_abort)(struct adiv5_dap *dap, uint8_t *ack); /** Executes all queued DAP operations. */ - int (*run)(struct swjdp_common *dap); + int (*run)(struct adiv5_dap *dap); }; /** @@ -235,9 +235,10 @@ struct dap_ops { * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_idcode_read(struct swjdp_common *dap, +static inline int dap_queue_idcode_read(struct adiv5_dap *dap, uint8_t *ack, uint32_t *data) { + assert(dap->ops != NULL); return dap->ops->queue_idcode_read(dap, ack, data); } @@ -249,13 +250,14 @@ static inline int dap_queue_idcode_read(struct swjdp_common *dap, * @param dap The DAP used for reading. * @param reg The two-bit number of the DP register being read. * @param data Pointer saying where to store the register's value - * (in host endianness). + * (in host endianness). * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_dp_read(struct swjdp_common *dap, +static inline int dap_queue_dp_read(struct adiv5_dap *dap, unsigned reg, uint32_t *data) { + assert(dap->ops != NULL); return dap->ops->queue_dp_read(dap, reg, data); } @@ -270,9 +272,10 @@ static inline int dap_queue_dp_read(struct swjdp_common *dap, * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_dp_write(struct swjdp_common *dap, +static inline int dap_queue_dp_write(struct adiv5_dap *dap, unsigned reg, uint32_t data) { + assert(dap->ops != NULL); return dap->ops->queue_dp_write(dap, reg, data); } @@ -282,13 +285,14 @@ static inline int dap_queue_dp_write(struct swjdp_common *dap, * @param dap The DAP used for reading. * @param reg The number of the AP register being read. * @param data Pointer saying where to store the register's value - * (in host endianness). + * (in host endianness). * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_ap_read(struct swjdp_common *dap, +static inline int dap_queue_ap_read(struct adiv5_dap *dap, unsigned reg, uint32_t *data) { + assert(dap->ops != NULL); return dap->ops->queue_ap_read(dap, reg, data); } @@ -301,9 +305,10 @@ static inline int dap_queue_ap_read(struct swjdp_common *dap, * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_ap_write(struct swjdp_common *dap, +static inline int dap_queue_ap_write(struct adiv5_dap *dap, unsigned reg, uint32_t data) { + assert(dap->ops != NULL); return dap->ops->queue_ap_write(dap, reg, data); } @@ -318,8 +323,9 @@ static inline int dap_queue_ap_write(struct swjdp_common *dap, * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_queue_ap_abort(struct swjdp_common *dap, uint8_t *ack) +static inline int dap_queue_ap_abort(struct adiv5_dap *dap, uint8_t *ack) { + assert(dap->ops != NULL); return dap->ops->queue_ap_abort(dap, ack); } @@ -333,70 +339,87 @@ static inline int dap_queue_ap_abort(struct swjdp_common *dap, uint8_t *ack) * * @return ERROR_OK for success, else a fault code. */ -static inline int dap_run(struct swjdp_common *dap) +static inline int dap_run(struct adiv5_dap *dap) { + assert(dap->ops != NULL); return dap->ops->run(dap); } /** Accessor for currently selected DAP-AP number (0..255) */ -static inline uint8_t dap_ap_get_select(struct swjdp_common *swjdp) +static inline uint8_t dap_ap_get_select(struct adiv5_dap *swjdp) { - return (uint8_t)(swjdp ->apsel >> 24); + return (uint8_t)(swjdp->ap_current >> 24); } /* AP selection applies to future AP transactions */ -void dap_ap_select(struct swjdp_common *dap,uint8_t apsel); +void dap_ap_select(struct adiv5_dap *dap, uint8_t ap); /* Queued AP transactions */ -int dap_setup_accessport(struct swjdp_common *swjdp, +int dap_setup_accessport(struct adiv5_dap *swjdp, uint32_t csw, uint32_t tar); -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, - uint32_t addr, uint32_t *value); - -/* Queued JTAG ops must be completed with jtagdp_transaction_endcheck() */ -int jtagdp_transaction_endcheck(struct swjdp_common *swjdp); /* 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); +int mem_ap_read_u32(struct adiv5_dap *swjdp, uint32_t address, uint32_t *value); +int mem_ap_write_u32(struct adiv5_dap *swjdp, uint32_t address, uint32_t value); /* Synchronous MEM-AP memory mapped single word transfers */ -int mem_ap_read_atomic_u32(struct swjdp_common *swjdp, +int mem_ap_read_atomic_u32(struct adiv5_dap *swjdp, uint32_t address, uint32_t *value); -int mem_ap_write_atomic_u32(struct swjdp_common *swjdp, +int mem_ap_write_atomic_u32(struct adiv5_dap *swjdp, uint32_t address, uint32_t value); /* MEM-AP memory mapped bus block transfers */ -int mem_ap_read_buf_u8(struct swjdp_common *swjdp, +int mem_ap_read_buf_u8(struct adiv5_dap *swjdp, uint8_t *buffer, int count, uint32_t address); -int mem_ap_read_buf_u16(struct swjdp_common *swjdp, +int mem_ap_read_buf_u16(struct adiv5_dap *swjdp, uint8_t *buffer, int count, uint32_t address); -int mem_ap_read_buf_u32(struct swjdp_common *swjdp, +int mem_ap_read_buf_u32(struct adiv5_dap *swjdp, uint8_t *buffer, int count, uint32_t address); -int mem_ap_write_buf_u8(struct swjdp_common *swjdp, +int mem_ap_write_buf_u8(struct adiv5_dap *swjdp, + const uint8_t *buffer, int count, uint32_t address); +int mem_ap_write_buf_u16(struct adiv5_dap *swjdp, + const uint8_t *buffer, int count, uint32_t address); +int mem_ap_write_buf_u32(struct adiv5_dap *swjdp, + const uint8_t *buffer, int count, uint32_t address); + +/* Queued MEM-AP memory mapped single word transfers with selection of ap */ +int mem_ap_sel_read_u32(struct adiv5_dap *swjdp, uint8_t ap, + uint32_t address, uint32_t *value); +int mem_ap_sel_write_u32(struct adiv5_dap *swjdp, uint8_t ap, + uint32_t address, uint32_t value); + +/* Synchronous MEM-AP memory mapped single word transfers with selection of ap */ +int mem_ap_sel_read_atomic_u32(struct adiv5_dap *swjdp, uint8_t ap, + uint32_t address, uint32_t *value); +int mem_ap_sel_write_atomic_u32(struct adiv5_dap *swjdp, uint8_t ap, + uint32_t address, uint32_t value); + +/* MEM-AP memory mapped bus block transfers with selection of ap */ +int mem_ap_sel_read_buf_u8(struct adiv5_dap *swjdp, uint8_t ap, uint8_t *buffer, int count, uint32_t address); -int mem_ap_write_buf_u16(struct swjdp_common *swjdp, +int mem_ap_sel_read_buf_u16(struct adiv5_dap *swjdp, uint8_t ap, uint8_t *buffer, int count, uint32_t address); -int mem_ap_write_buf_u32(struct swjdp_common *swjdp, +int mem_ap_sel_read_buf_u32(struct adiv5_dap *swjdp, uint8_t ap, uint8_t *buffer, int count, uint32_t address); -/* Initialisation of the debug system, power domains and registers */ -int ahbap_debugport_init(struct swjdp_common *swjdp); +int mem_ap_sel_write_buf_u8(struct adiv5_dap *swjdp, uint8_t ap, + const uint8_t *buffer, int count, uint32_t address); +int mem_ap_sel_write_buf_u16(struct adiv5_dap *swjdp, uint8_t ap, + const uint8_t *buffer, int count, uint32_t address); +int mem_ap_sel_write_buf_u32(struct adiv5_dap *swjdp, uint8_t ap, + const uint8_t *buffer, int count, uint32_t address); +/* Initialisation of the debug system, power domains and registers */ +int ahbap_debugport_init(struct adiv5_dap *swjdp); -/* Commands for user dap access */ -int dap_info_command(struct command_context *cmd_ctx, - struct swjdp_common *swjdp, int apsel); +/* Probe the AP for ROM Table location */ +int dap_get_debugbase(struct adiv5_dap *dap, int ap, + uint32_t *dbgbase, uint32_t *apid); -#define DAP_COMMAND_HANDLER(name) \ - COMMAND_HELPER(name, struct swjdp_common *swjdp) -DAP_COMMAND_HANDLER(dap_baseaddr_command); -DAP_COMMAND_HANDLER(dap_memaccess_command); -DAP_COMMAND_HANDLER(dap_apsel_command); -DAP_COMMAND_HANDLER(dap_apid_command); +/* Lookup CoreSight component */ +int dap_lookup_cs_component(struct adiv5_dap *dap, int ap, + uint32_t dbgbase, uint8_t type, uint32_t *addr); struct target; @@ -406,4 +429,6 @@ int dap_to_swd(struct target *target); /* Put debug link into JTAG mode */ int dap_to_jtag(struct target *target); +extern const struct command_registration dap_command_handlers[]; + #endif