#include "register.h"
#include "arm_jtag.h"
-#define SWJDP_IR_DPACC 0xA
-#define SWJDP_IR_APACC 0xB
+#define DAP_IR_DPACC 0xA
+#define DAP_IR_APACC 0xB
#define DPAP_WRITE 0
#define DPAP_READ 1
#define DP_SELECT 0x8
#define DP_RDBUFF 0xC
-#define CORUNDETECT (1<<0)
-#define SSTICKYORUN (1<<1)
-#define SSTICKYERR (1<<5)
-#define CDBGRSTREQ (1<<26)
-#define CDBGRSTACK (1<<27)
-#define CDBGPWRUPREQ (1<<28)
-#define CDBGPWRUPACK (1<<29)
-#define CSYSPWRUPREQ (1<<30)
-#define CSYSPWRUPACK (1<<31)
+#define CORUNDETECT (1 << 0)
+#define SSTICKYORUN (1 << 1)
+#define SSTICKYERR (1 << 5)
+#define CDBGRSTREQ (1 << 26)
+#define CDBGRSTACK (1 << 27)
+#define CDBGPWRUPREQ (1 << 28)
+#define CDBGPWRUPACK (1 << 29)
+#define CSYSPWRUPREQ (1 << 30)
+#define CSYSPWRUPACK (1 << 31)
#define AP_REG_CSW 0x00
#define AP_REG_TAR 0x04
#define CSW_16BIT 1
#define CSW_32BIT 2
-#define CSW_ADDRINC_MASK (3<<4)
+#define CSW_ADDRINC_MASK (3 << 4)
#define CSW_ADDRINC_OFF 0
-#define CSW_ADDRINC_SINGLE (1<<4)
-#define CSW_ADDRINC_PACKED (2<<4)
-#define CSW_HPROT (1<<25)
-#define CSW_MASTER_DEBUG (1<<29)
-#define CSW_DBGSWENABLE (1<<31)
+#define CSW_ADDRINC_SINGLE (1 << 4)
+#define CSW_ADDRINC_PACKED (2 << 4)
+#define CSW_HPROT (1 << 25)
+#define CSW_MASTER_DEBUG (1 << 29)
+#define CSW_DBGSWENABLE (1 << 31)
/* transaction mode */
#define TRANS_MODE_NONE 0
{
arm_jtag_t *jtag_info;
/* Control config */
- u32 dp_ctrl_stat;
+ uint32_t dp_ctrl_stat;
/* Support for several AP's in one DAP */
- u32 apsel;
+ uint32_t apsel;
/* Register select cache */
- u32 dp_select_value;
- u32 ap_csw_value;
- u32 ap_tar_value;
+ uint32_t dp_select_value;
+ uint32_t ap_csw_value;
+ uint32_t ap_tar_value;
/* information about current pending SWjDP-AHBAP transaction */
- u8 trans_mode;
- u8 trans_rw;
- u8 ack;
+ uint8_t trans_mode;
+ uint8_t trans_rw;
+ uint8_t ack;
+ /* extra tck clocks for memory bus access */
+ uint32_t memaccess_tck;
+ /* Size of TAR autoincrement block, ARM ADI Specification requires at least 10 bits */
+ uint32_t tar_autoincr_block;
+
} swjdp_common_t;
+/* Accessor function for currently selected DAP-AP number */
+static inline uint8_t dap_ap_get_select(swjdp_common_t *swjdp)
+{
+ return (uint8_t)(swjdp ->apsel >> 24);
+}
+
/* Internal functions used in the module, partial transactions, use with caution */
-extern int dap_dp_write_reg(swjdp_common_t *swjdp, u32 value, u8 reg_addr);
-/* extern int swjdp_write_apacc(swjdp_common_t *swjdp, u32 value, u8 reg_addr); */
-extern int dap_dp_read_reg(swjdp_common_t *swjdp, u32 *value, u8 reg_addr);
-/* extern int swjdp_read_apacc(swjdp_common_t *swjdp, u32 *value, u8 reg_addr); */
-extern int dap_setup_accessport(swjdp_common_t *swjdp, u32 csw, u32 tar);
-extern int dap_ap_select(swjdp_common_t *swjdp,u8 apsel);
-
-extern int dap_ap_write_reg(swjdp_common_t *swjdp, u32 reg_addr, u8* out_value_buf);
-extern int dap_ap_write_reg_u32(swjdp_common_t *swjdp, u32 reg_addr, u32 value);
-extern int dap_ap_read_reg(swjdp_common_t *swjdp, u32 reg_addr, u8 *in_value_buf);
-extern int dap_ap_read_reg_u32(swjdp_common_t *swjdp, u32 reg_addr, u32 *value);
+extern int dap_dp_write_reg(swjdp_common_t *swjdp, uint32_t value, uint8_t reg_addr);
+/* extern int swjdp_write_apacc(swjdp_common_t *swjdp, uint32_t value, uint8_t reg_addr); */
+extern int dap_dp_read_reg(swjdp_common_t *swjdp, uint32_t *value, uint8_t reg_addr);
+/* extern int swjdp_read_apacc(swjdp_common_t *swjdp, uint32_t *value, uint8_t reg_addr); */
+extern int dap_setup_accessport(swjdp_common_t *swjdp, uint32_t csw, uint32_t tar);
+extern int dap_ap_select(swjdp_common_t *swjdp,uint8_t apsel);
+
+extern int dap_ap_write_reg(swjdp_common_t *swjdp, uint32_t reg_addr, uint8_t* out_value_buf);
+extern int dap_ap_write_reg_u32(swjdp_common_t *swjdp, uint32_t reg_addr, uint32_t value);
+extern int dap_ap_read_reg(swjdp_common_t *swjdp, uint32_t reg_addr, uint8_t *in_value_buf);
+extern int dap_ap_read_reg_u32(swjdp_common_t *swjdp, uint32_t reg_addr, uint32_t *value);
/* External interface, partial operations must be completed with swjdp_transaction_endcheck() */
extern int swjdp_transaction_endcheck(swjdp_common_t *swjdp);
-/* MEM-AP memory mapped bus single u32 register transfers, without endcheck */
-extern int mem_ap_read_u32(swjdp_common_t *swjdp, u32 address, u32 *value);
-extern int mem_ap_write_u32(swjdp_common_t *swjdp, u32 address, u32 value);
+/* MEM-AP memory mapped bus single uint32_t register transfers, without endcheck */
+extern int mem_ap_read_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t *value);
+extern int mem_ap_write_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t value);
/* MEM-AP memory mapped bus transfers, single registers, complete transactions */
-extern int mem_ap_read_atomic_u32(swjdp_common_t *swjdp, u32 address, u32 *value);
-extern int mem_ap_write_atomic_u32(swjdp_common_t *swjdp, u32 address, u32 value);
+extern int mem_ap_read_atomic_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t *value);
+extern int mem_ap_write_atomic_u32(swjdp_common_t *swjdp, uint32_t address, uint32_t value);
/* MEM-AP memory mapped bus block transfers */
-extern int mem_ap_read_buf_u8(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
-extern int mem_ap_read_buf_u16(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
-extern int mem_ap_read_buf_u32(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
-extern int mem_ap_write_buf_u8(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
-extern int mem_ap_write_buf_u16(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
-extern int mem_ap_write_buf_u32(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+extern int mem_ap_read_buf_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
+extern int mem_ap_read_buf_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
+extern int mem_ap_read_buf_u32(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
+extern int mem_ap_write_buf_u8(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
+extern int mem_ap_write_buf_u16(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
+extern int mem_ap_write_buf_u32(swjdp_common_t *swjdp, uint8_t *buffer, int count, uint32_t address);
/* Initialisation of the debug system, power domains and registers */
extern int ahbap_debugport_init(swjdp_common_t *swjdp);
extern int dap_info_command(struct command_context_s *cmd_ctx, swjdp_common_t *swjdp, int apsel);
/* Commands for user dap access */
+/* Currently implemented in armv7m, needs armv7m target structure to find jtag and swjdp structures */
extern int handle_dap_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
extern int handle_dap_apsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+extern int handle_dap_apid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+extern int handle_dap_baseaddr_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+extern int handle_dap_memaccess_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
#endif