* 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 *
#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 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 AHBAP_CSW 0x00
-#define AHBAP_TAR 0x04
-#define AHBAP_DRW 0x0C
-#define AHBAP_BD0 0x10
-#define AHBAP_BD1 0x14
-#define AHBAP_BD2 0x18
-#define AHBAP_BD3 0x1C
+#define AHBAP_CSW 0x00
+#define AHBAP_TAR 0x04
+#define AHBAP_DRW 0x0C
+#define AHBAP_BD0 0x10
+#define AHBAP_BD1 0x14
+#define AHBAP_BD2 0x18
+#define AHBAP_BD3 0x1C
#define AHBAP_DBGROMA 0xF8
-#define AHBAP_IDR 0xFC
-
+#define AHBAP_IDR 0xFC
#define CSW_8BIT 0
#define CSW_16BIT 1
#define CSW_ADDRINC_OFF 0
#define CSW_ADDRINC_SINGLE (1<<4)
#define CSW_ADDRINC_PACKED (2<<4)
-#define CSW_HPROT (1<<25)
+#define CSW_HPROT (1<<25)
#define CSW_MASTER_DEBUG (1<<29)
-#define CSW_DBGSWENABLE (1<<31)
-#define TRANS_MODE_NONE 0
+#define CSW_DBGSWENABLE (1<<31)
+/* transaction mode */
+#define TRANS_MODE_NONE 0
/* Transaction waits for previous to complete */
-#define TRANS_MODE_ATOMIC 1
+#define TRANS_MODE_ATOMIC 1
/* Freerunning transactions with delays and overrun checking */
#define TRANS_MODE_COMPOSITE 2
-
typedef struct swjdp_reg_s
{
int addr;
u32 dp_select_value;
u32 ap_csw_value;
u32 ap_tar_value;
- u8 prev_ack;
/* information about current pending SWjDP-AHBAP transaction */
u8 trans_mode;
u8 trans_rw;
u8 ack;
- u32 * trans_value;
} swjdp_common_t;
/* Internal functions used in the module, partial transactions, use with caution */
extern int swjdp_write_dpacc(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 swjdp_write_apacc(swjdp_common_t *swjdp, u32 value, u8 reg_addr); */
extern int swjdp_read_dpacc(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 swjdp_read_apacc(swjdp_common_t *swjdp, u32 *value, u8 reg_addr); */
extern int ahbap_write_reg(swjdp_common_t *swjdp, u32 reg_addr, u8* out_value_buf);
extern int ahbap_read_reg(swjdp_common_t *swjdp, u32 reg_addr, u8 *in_value_buf);
extern int ahbap_write_system_u32(swjdp_common_t *swjdp, u32 address, u32 value);
extern int swjdp_transaction_endcheck(swjdp_common_t *swjdp);
-
/* External interface, complete atomic operations */
/* Host endian word transfer of single memory and system registers */
extern int ahbap_read_system_atomic_u32(swjdp_common_t *swjdp, u32 address, u32 *value);
extern int ahbap_write_system_atomic_u32(swjdp_common_t *swjdp, u32 address, u32 value);
-/* Target endian (u8*) buffer transfers of blocks of memory and system registers */
-extern int ahbap_read_block(swjdp_common_t *swjdp, u8 *buffer, int bytecount, u32 address);
-extern int ahbap_write_block(swjdp_common_t *swjdp, u8 *buffer, int bytecount, u32 address);
+
/* Host endian word transfers of processor core registers */
extern int ahbap_read_coreregister_u32(swjdp_common_t *swjdp, u32 *value, int regnum);
extern int ahbap_write_coreregister_u32(swjdp_common_t *swjdp, u32 value, int regnum);
+extern int ahbap_read_buf_u8(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+extern int ahbap_read_buf_u16(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+extern int ahbap_read_buf_u32(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+
+extern int ahbap_write_buf_u8(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+extern int ahbap_write_buf_u16(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+extern int ahbap_write_buf_u32(swjdp_common_t *swjdp, u8 *buffer, int count, u32 address);
+
/* Initialisation of the debug system, power domains and registers */
extern int ahbap_debugport_init(swjdp_common_t *swjdp);