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- /***************************************************************************
- * Copyright (C) 2006 by Magnus Lundin *
- * lundin@mlu.mine.nu *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
- #ifndef ARM_ADI_V5_H
- #define ARM_ADI_V5_H
-
- #include "target.h"
- #include "register.h"
- #include "arm_jtag.h"
-
- #define DAP_IR_DPACC 0xA
- #define DAP_IR_APACC 0xB
-
- #define DPAP_WRITE 0
- #define DPAP_READ 1
- #define DP_ZERO 0
- #define DP_CTRL_STAT 0x4
- #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 AP_REG_CSW 0x00
- #define AP_REG_TAR 0x04
- #define AP_REG_DRW 0x0C
- #define AP_REG_BD0 0x10
- #define AP_REG_BD1 0x14
- #define AP_REG_BD2 0x18
- #define AP_REG_BD3 0x1C
- #define AP_REG_DBGROMA 0xF8
- #define AP_REG_IDR 0xFC
-
- #define CSW_8BIT 0
- #define CSW_16BIT 1
- #define CSW_32BIT 2
-
- #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)
-
- /* transaction mode */
- #define TRANS_MODE_NONE 0
- /* Transaction waits for previous to complete */
- #define TRANS_MODE_ATOMIC 1
- /* Freerunning transactions with delays and overrun checking */
- #define TRANS_MODE_COMPOSITE 2
-
- typedef struct swjdp_reg_s
- {
- int addr;
- arm_jtag_t *jtag_info;
- } swjdp_reg_t;
-
- typedef struct swjdp_common_s
- {
- arm_jtag_t *jtag_info;
- /* Control config */
- uint32_t dp_ctrl_stat;
- /* Support for several AP's in one DAP */
- uint32_t apsel;
- /* Register select cache */
- uint32_t dp_select_value;
- uint32_t ap_csw_value;
- uint32_t ap_tar_value;
- /* information about current pending SWjDP-AHBAP transaction */
- 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, 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 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, 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, 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);
-
-
- /* Commands for user dap access */
- int dap_info_command(struct command_context_s *cmd_ctx,
- swjdp_common_t *swjdp, int apsel);
- int dap_baseaddr_command(struct command_context_s *cmd_ctx,
- swjdp_common_t *swjdp, char **args, int argc);
- int dap_memaccess_command(struct command_context_s *cmd_ctx,
- swjdp_common_t *swjdp, char **args, int argc);
- int dap_apsel_command(struct command_context_s *cmd_ctx,
- swjdp_common_t *swjdp, char **args, int argc);
- int dap_apid_command(struct command_context_s *cmd_ctx,
- swjdp_common_t *swjdp, char **args, int argc);
-
- #endif
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