X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fmips_ejtag.h;h=6a653d4f893ff7935f5c690af42612df08d3dc3f;hb=f86137066a6b42c46c457c9837a8015990bf71e6;hp=b25bd0265299a4b0465fc0d36cf64d113376ca00;hpb=53590217eee6106782b2bb85ed334adf7c5e68c1;p=openocd.git diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h index b25bd02652..6a653d4f89 100644 --- a/src/target/mips_ejtag.h +++ b/src/target/mips_ejtag.h @@ -23,9 +23,9 @@ #ifndef MIPS_EJTAG #define MIPS_EJTAG -#include "types.h" #include "jtag.h" +/* tap instructions */ #define EJTAG_INST_IDCODE 0x01 #define EJTAG_INST_IMPCODE 0x03 #define EJTAG_INST_ADDRESS 0x08 @@ -38,8 +38,9 @@ #define EJTAG_INST_TCBCONTROLA 0x10 #define EJTAG_INST_TCBCONTROLB 0x11 #define EJTAG_INST_TCBDATA 0x12 -#define EJTAG_INST_BYPASS 0x1F +#define EJTAG_INST_BYPASS 0xFF +/* debug control register bits ECR */ #define EJTAG_CTRL_TOF (1 << 1) #define EJTAG_CTRL_TIF (1 << 2) #define EJTAG_CTRL_BRKST (1 << 3) @@ -85,23 +86,41 @@ #define EJTAG_DEBUG_DM (1 << 30) #define EJTAG_DEBUG_DBD (1 << 31) -typedef struct mips_ejtag_s +/* implementaion register bits */ +#define EJTAG_IMP_NODMA (1 << 14) +#define EJTAG_IMP_MIPS16 (1 << 16) + +/* breakpoint support */ +#define EJTAG_DCR 0xFF300000 +#define EJTAG_IBS 0xFF301000 +#define EJTAG_IBA1 0xFF301100 +#define EJTAG_DBS 0xFF302000 +#define EJTAG_DBA1 0xFF302100 +#define EJTAG_DBCn_NOSB (1 << 13) +#define EJTAG_DBCn_NOLB (1 << 12) +#define EJTAG_DBCn_BLM_MASK 0xff +#define EJTAG_DBCn_BLM_SHIFT 4 +#define EJTAG_DBCn_BE (1 << 0) + +struct mips_ejtag { - int chain_pos; - u32 impcode; -// int use_dma; - u32 ejtag_ctrl; -} mips_ejtag_t; + struct jtag_tap *tap; + uint32_t impcode; + uint32_t idcode; + /*int use_dma;*/ + uint32_t ejtag_ctrl; +}; -extern int mips_ejtag_set_instr(mips_ejtag_t *ejtag_info, int new_instr, in_handler_t handler); -extern int mips_ejtag_enter_debug(mips_ejtag_t *ejtag_info); -extern int mips_ejtag_exit_debug(mips_ejtag_t *ejtag_info, int enable_interrupts); -extern int mips_ejtag_get_impcode(mips_ejtag_t *ejtag_info, u32 *impcode, in_handler_t handler); -extern int mips_ejtag_get_idcode(mips_ejtag_t *ejtag_info, u32 *idcode, in_handler_t handler); -extern int mips_ejtag_drscan_32(mips_ejtag_t *ejtag_info, u32 *data); +int mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, + int new_instr, void *delete_me_and_submit_patch); +int mips_ejtag_enter_debug(struct mips_ejtag *ejtag_info); +int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info); +int mips_ejtag_get_impcode(struct mips_ejtag *ejtag_info, uint32_t *impcode); +int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode); +int mips_ejtag_drscan_32(struct mips_ejtag *ejtag_info, uint32_t *data); -extern int mips_ejtag_init(mips_ejtag_t *ejtag_info); -extern int mips_ejtag_config_step(mips_ejtag_t *ejtag_info, int enable_step); -extern int mips_ejtag_read_debug(mips_ejtag_t *ejtag_info, u32* debug_reg); +int mips_ejtag_init(struct mips_ejtag *ejtag_info); +int mips_ejtag_config_step(struct mips_ejtag *ejtag_info, int enable_step); +int mips_ejtag_read_debug(struct mips_ejtag *ejtag_info, uint32_t* debug_reg); #endif /* MIPS_EJTAG */