X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fmips_ejtag.h;h=2178afc6ffb67c062ce7ba511dedffebf97e0a6c;hb=99db18a995c8ef2913f1397dcc94d0533331e598;hp=59f91b50b7d743c243ba5be7769a0d0966209f77;hpb=08d4411b59dd8bd0e7d8009003b71d23acbf6eee;p=openocd.git
diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h
index 59f91b50b7..2178afc6ff 100644
--- a/src/target/mips_ejtag.h
+++ b/src/target/mips_ejtag.h
@@ -15,13 +15,11 @@
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * along with this program. If not, see . *
***************************************************************************/
-#ifndef MIPS_EJTAG
-#define MIPS_EJTAG
+#ifndef OPENOCD_TARGET_MIPS_EJTAG_H
+#define OPENOCD_TARGET_MIPS_EJTAG_H
#include
@@ -97,11 +95,35 @@
#define EJTAG_DEBUG_DM (1 << 30)
#define EJTAG_DEBUG_DBD (1 << 31)
-/* implementaion register bits */
-#define EJTAG_IMP_R3K (1 << 28)
-#define EJTAG_IMP_DINT (1 << 24)
-#define EJTAG_IMP_NODMA (1 << 14)
+/* implementation MIPS register bits.
+ * Bits marked with V20 or v2.0 mean that, this registers supported only
+ * by EJTAG v2.0. Bits marked with Lexra or BMIPS are different from the
+ * official EJATG.
+ * NOTE: Lexra or BMIPS use EJTAG v2.0 */
+
+#define EJTAG_IMP_HAS(x) (ejtag_info->impcode & (x))
+/* v2.0(Lexra) 29 - 1âb1 - Lexra Internal Trace Buffer implemented. This bit
+ * overlaps with version bit of MIPS EJTAG specification. */
+#define EJTAG_V26_IMP_R3K (1 << 28)
+/* v2.0 - 24:25 - 2âb00- No profiling support */
+#define EJTAG_V26_IMP_DINT (1 << 24)
+#define EJTAG_V20_IMP_SDBBP (1 << 23) /* 1âb1 - sdbbp is Special2 Opcode */
+#define EJTAG_IMP_ASID8 (1 << 22)
+#define EJTAG_IMP_ASID6 (1 << 21)
+#define EJTAG_V20_IMP_COMPLEX_BREAK (1 << 20) /* Complex Breaks supported*/
+#define EJTAG_V20_IMP_EADDR_NO32BIT (1 << 19) /* EJTAG_ADDR > 32 bits wide */
+#define EJTAG_V20_IMP_DCACHE_COH (1 << 18) /* DCache does keep DMA coherent */
+#define EJTAG_V20_IMP_ICACHE_COH (1 << 17) /* DCache does keep DMA coherent */
#define EJTAG_IMP_MIPS16 (1 << 16)
+#define EJTAG_IMP_NODMA (1 << 14)
+/* v2.0 - 11:13 external PC trace. Trace PC Width. */
+/* v2.0 - 8:10 external PC trace. PCST Width and DCLK Division Factor */
+#define EJTAG_V20_IMP_NOPB (1 << 7) /* no processor breaks */
+#define EJTAG_V20_IMP_NODB (1 << 6) /* no data breaks */
+#define EJTAG_V20_IMP_NOIB (1 << 5) /* no instruction breaks implemented */
+/* v2.0 - 1:4 Number of Break Channels. */
+#define EJTAG_V20_IMP_BCHANNELS_MASK 0xf
+#define EJTAG_V20_IMP_BCHANNELS_SHIFT 1
#define EJTAG_DCR_MIPS64 (1 << 0)
/* Debug Control Register DCR */
@@ -110,18 +132,50 @@
#define EJTAG_DCR_DB (1 << 17)
#define EJTAG_DCR_IB (1 << 16)
#define EJTAG_DCR_INTE (1 << 4)
+#define EJTAG_DCR_MP (1 << 2)
/* breakpoint support */
-#define EJTAG_IBS 0xFF301000
-#define EJTAG_IBA1 0xFF301100
-#define EJTAG_DBS 0xFF302000
-#define EJTAG_DBA1 0xFF302100
+/* EJTAG_V20_* was tested on Broadcom BCM7401
+ * and may or will differ with other hardware. For example EZ4021-FC. */
+#define EJTAG_V20_IBS 0xFF300004
+#define EJTAG_V20_IBA0 0xFF300100
+#define EJTAG_V20_IBC_OFFS 0x4 /* IBC Offset */
+#define EJTAG_V20_IBM_OFFS 0x8
+#define EJTAG_V20_IBAn_STEP 0x10 /* Offset for next channel */
+#define EJTAG_V20_DBS 0xFF300008
+#define EJTAG_V20_DBA0 0xFF300200
+#define EJTAG_V20_DBC_OFFS 0x4
+#define EJTAG_V20_DBM_OFFS 0x8
+#define EJTAG_V20_DBV_OFFS 0xc
+#define EJTAG_V20_DBAn_STEP 0x10
+
+#define EJTAG_V25_IBS 0xFF301000
+#define EJTAG_V25_IBA0 0xFF301100
+#define EJTAG_V25_IBM_OFFS 0x8
+#define EJTAG_V25_IBASID_OFFS 0x10
+#define EJTAG_V25_IBC_OFFS 0x18
+#define EJTAG_V25_IBAn_STEP 0x100
+#define EJTAG_V25_DBS 0xFF302000
+#define EJTAG_V25_DBA0 0xFF302100
+#define EJTAG_V25_DBM_OFFS 0x8
+#define EJTAG_V25_DBASID_OFFS 0x10
+#define EJTAG_V25_DBC_OFFS 0x18
+#define EJTAG_V25_DBV_OFFS 0x20
+#define EJTAG_V25_DBAn_STEP 0x100
+
#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)
+#define EJTAG_VERSION_20 0
+#define EJTAG_VERSION_25 1
+#define EJTAG_VERSION_26 2
+#define EJTAG_VERSION_31 3
+#define EJTAG_VERSION_41 4
+#define EJTAG_VERSION_51 5
+
struct mips_ejtag {
struct jtag_tap *tap;
uint32_t impcode;
@@ -132,6 +186,28 @@ struct mips_ejtag {
uint32_t reg9;
unsigned scan_delay;
int mode;
+ uint32_t pa_ctrl;
+ uint32_t pa_addr;
+ unsigned int ejtag_version;
+
+ /* Memory-Mapped Registers. This addresses are not same on different
+ * EJTAG versions. */
+ uint32_t debug_caps;
+ uint32_t ejtag_ibs_addr; /* Instruction Address Break Status */
+ uint32_t ejtag_iba0_addr; /* IAB channel 0 */
+ uint32_t ejtag_ibc_offs; /* IAB Control offset */
+ uint32_t ejtag_ibm_offs; /* IAB Mask offset */
+ uint32_t ejtag_ibasid_offs; /* IAB ASID (4Kc) */
+
+ uint32_t ejtag_dbs_addr; /* Data Address Break Status Register */
+ uint32_t ejtag_dba0_addr; /* DAB channel 0 */
+ uint32_t ejtag_dbc_offs; /* DAB Control offset */
+ uint32_t ejtag_dbm_offs; /* DAB Mask offset */
+ uint32_t ejtag_dbv_offs; /* DAB Value offset */
+ uint32_t ejtag_dbasid_offs; /* DAB ASID (4Kc) */
+
+ uint32_t ejtag_iba_step_size;
+ uint32_t ejtag_dba_step_size; /* size of step till next *DBAn register. */
};
void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info,
@@ -144,7 +220,7 @@ void mips_ejtag_add_scan_96(struct mips_ejtag *ejtag_info,
void mips_ejtag_drscan_32_out(struct mips_ejtag *ejtag_info, uint32_t data);
int mips_ejtag_drscan_32(struct mips_ejtag *ejtag_info, uint32_t *data);
void mips_ejtag_drscan_8_out(struct mips_ejtag *ejtag_info, uint8_t data);
-int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint32_t *data);
+int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint8_t *data);
int mips_ejtag_fastdata_scan(struct mips_ejtag *ejtag_info, int write_t, uint32_t *data);
int mips_ejtag_init(struct mips_ejtag *ejtag_info);
@@ -156,4 +232,4 @@ static inline void mips_le_to_h_u32(jtag_callback_data_t arg)
*((uint32_t *)arg) = le_to_h_u32(in);
}
-#endif /* MIPS_EJTAG */
+#endif /* OPENOCD_TARGET_MIPS_EJTAG_H */