+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* 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, see <http://www.gnu.org/licenses/>. *
+ * Copyright (C) 2019-2021, Ampere Computing LLC *
***************************************************************************/
#ifndef OPENOCD_TARGET_ARM_ADI_V5_H
*/
#define DP_DPIDR BANK_REG(0x0, 0x0) /* DPv1+: ro */
#define DP_ABORT BANK_REG(0x0, 0x0) /* DPv1+: SWD: wo */
+#define DP_DPIDR1 BANK_REG(0x1, 0x0) /* DPv3: ro */
+#define DP_BASEPTR0 BANK_REG(0x2, 0x0) /* DPv3: ro */
+#define DP_BASEPTR1 BANK_REG(0x3, 0x0) /* DPv3: ro */
#define DP_CTRL_STAT BANK_REG(0x0, 0x4) /* DPv0+: rw */
#define DP_DLCR BANK_REG(0x1, 0x4) /* DPv1+: SWD: rw */
#define DP_TARGETID BANK_REG(0x2, 0x4) /* DPv2: ro */
#define DP_DLPIDR BANK_REG(0x3, 0x4) /* DPv2: ro */
#define DP_EVENTSTAT BANK_REG(0x4, 0x4) /* DPv2: ro */
+#define DP_SELECT1 BANK_REG(0x5, 0x4) /* DPv3: ro */
#define DP_RESEND BANK_REG(0x0, 0x8) /* DPv1+: SWD: ro */
#define DP_SELECT BANK_REG(0x0, 0x8) /* DPv0+: JTAG: rw; SWD: wo */
#define DP_RDBUFF BANK_REG(0x0, 0xC) /* DPv0+: ro */
#define WDERRCLR (1UL << 3) /* SWD-only */
#define ORUNERRCLR (1UL << 4) /* SWD-only */
+/* Fields of register DP_DPIDR1 */
+#define DP_DPIDR1_ASIZE_MASK (0x7F)
+#define DP_DPIDR1_ERRMODE BIT(7)
+
+/* Fields of register DP_BASEPTR0 */
+#define DP_BASEPTR0_VALID BIT(0)
+
/* Fields of the DP's CTRL/STAT register */
#define CORUNDETECT (1UL << 0)
#define SSTICKYORUN (1UL << 1)
#define DP_DLPIDR_PROTVSN 1u
-#define DP_SELECT_APSEL 0xFF000000
-#define DP_SELECT_APBANK 0x000000F0
-#define DP_SELECT_DPBANK 0x0000000F
-#define DP_SELECT_INVALID 0x00FFFF00 /* Reserved bits one */
+#define ADIV5_DP_SELECT_APSEL 0xFF000000
+#define ADIV5_DP_SELECT_APBANK 0x000000F0
+#define DP_SELECT_DPBANK 0x0000000F
+/*
+ * Mask of AP ADDR in select cache, concatenating DP SELECT and DP_SELECT1.
+ * In case of ADIv5, the mask contains both APSEL and APBANKSEL fields.
+ */
+#define SELECT_AP_MASK (~(uint64_t)DP_SELECT_DPBANK)
-#define DP_APSEL_MAX (255)
-#define DP_APSEL_INVALID (-1)
+#define DP_APSEL_MAX (255) /* Strict limit for ADIv5, number of AP buffers for ADIv6 */
+#define DP_APSEL_INVALID 0xF00 /* more than DP_APSEL_MAX and not ADIv6 aligned 4k */
-#define DP_TARGETSEL_INVALID 0xFFFFFFFFU
-#define DP_TARGETSEL_DPID_MASK 0x0FFFFFFFU
+#define DP_TARGETSEL_INVALID 0xFFFFFFFFU
+#define DP_TARGETSEL_DPID_MASK 0x0FFFFFFFU
#define DP_TARGETSEL_INSTANCEID_MASK 0xF0000000U
#define DP_TARGETSEL_INSTANCEID_SHIFT 28
/* MEM-AP register addresses */
-#define MEM_AP_REG_CSW 0x00
-#define MEM_AP_REG_TAR 0x04
-#define MEM_AP_REG_TAR64 0x08 /* RW: Large Physical Address Extension */
-#define MEM_AP_REG_DRW 0x0C /* RW: Data Read/Write register */
-#define MEM_AP_REG_BD0 0x10 /* RW: Banked Data register 0-3 */
-#define MEM_AP_REG_BD1 0x14
-#define MEM_AP_REG_BD2 0x18
-#define MEM_AP_REG_BD3 0x1C
-#define MEM_AP_REG_MBT 0x20 /* --: Memory Barrier Transfer register */
-#define MEM_AP_REG_BASE64 0xF0 /* RO: Debug Base Address (LA) register */
-#define MEM_AP_REG_CFG 0xF4 /* RO: Configuration register */
-#define MEM_AP_REG_BASE 0xF8 /* RO: Debug Base Address register */
+#define ADIV5_MEM_AP_REG_CSW (0x00)
+#define ADIV5_MEM_AP_REG_TAR (0x04)
+#define ADIV5_MEM_AP_REG_TAR64 (0x08) /* RW: Large Physical Address Extension */
+#define ADIV5_MEM_AP_REG_DRW (0x0C) /* RW: Data Read/Write register */
+#define ADIV5_MEM_AP_REG_BD0 (0x10) /* RW: Banked Data register 0-3 */
+#define ADIV5_MEM_AP_REG_BD1 (0x14)
+#define ADIV5_MEM_AP_REG_BD2 (0x18)
+#define ADIV5_MEM_AP_REG_BD3 (0x1C)
+#define ADIV5_MEM_AP_REG_MBT (0x20) /* --: Memory Barrier Transfer register */
+#define ADIV5_MEM_AP_REG_BASE64 (0xF0) /* RO: Debug Base Address (LA) register */
+#define ADIV5_MEM_AP_REG_CFG (0xF4) /* RO: Configuration register */
+#define ADIV5_MEM_AP_REG_BASE (0xF8) /* RO: Debug Base Address register */
+
+#define ADIV6_MEM_AP_REG_CSW (0xD00 + ADIV5_MEM_AP_REG_CSW)
+#define ADIV6_MEM_AP_REG_TAR (0xD00 + ADIV5_MEM_AP_REG_TAR)
+#define ADIV6_MEM_AP_REG_TAR64 (0xD00 + ADIV5_MEM_AP_REG_TAR64)
+#define ADIV6_MEM_AP_REG_DRW (0xD00 + ADIV5_MEM_AP_REG_DRW)
+#define ADIV6_MEM_AP_REG_BD0 (0xD00 + ADIV5_MEM_AP_REG_BD0)
+#define ADIV6_MEM_AP_REG_BD1 (0xD00 + ADIV5_MEM_AP_REG_BD1)
+#define ADIV6_MEM_AP_REG_BD2 (0xD00 + ADIV5_MEM_AP_REG_BD2)
+#define ADIV6_MEM_AP_REG_BD3 (0xD00 + ADIV5_MEM_AP_REG_BD3)
+#define ADIV6_MEM_AP_REG_MBT (0xD00 + ADIV5_MEM_AP_REG_MBT)
+#define ADIV6_MEM_AP_REG_BASE64 (0xD00 + ADIV5_MEM_AP_REG_BASE64)
+#define ADIV6_MEM_AP_REG_CFG (0xD00 + ADIV5_MEM_AP_REG_CFG)
+#define ADIV6_MEM_AP_REG_BASE (0xD00 + ADIV5_MEM_AP_REG_BASE)
+
+#define MEM_AP_REG_CSW(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_CSW : ADIV5_MEM_AP_REG_CSW)
+#define MEM_AP_REG_TAR(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_TAR : ADIV5_MEM_AP_REG_TAR)
+#define MEM_AP_REG_TAR64(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_TAR64 : ADIV5_MEM_AP_REG_TAR64)
+#define MEM_AP_REG_DRW(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_DRW : ADIV5_MEM_AP_REG_DRW)
+#define MEM_AP_REG_BD0(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BD0 : ADIV5_MEM_AP_REG_BD0)
+#define MEM_AP_REG_BD1(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BD1 : ADIV5_MEM_AP_REG_BD1)
+#define MEM_AP_REG_BD2(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BD2 : ADIV5_MEM_AP_REG_BD2)
+#define MEM_AP_REG_BD3(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BD3 : ADIV5_MEM_AP_REG_BD3)
+#define MEM_AP_REG_MBT(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_MBT : ADIV5_MEM_AP_REG_MBT)
+#define MEM_AP_REG_BASE64(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BASE64 : ADIV5_MEM_AP_REG_BASE64)
+#define MEM_AP_REG_CFG(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_CFG : ADIV5_MEM_AP_REG_CFG)
+#define MEM_AP_REG_BASE(dap) (is_adiv6(dap) ? ADIV6_MEM_AP_REG_BASE : ADIV5_MEM_AP_REG_BASE)
+
/* Generic AP register address */
-#define AP_REG_IDR 0xFC /* RO: Identification Register */
+#define ADIV5_AP_REG_IDR (0xFC) /* RO: Identification Register */
+#define ADIV6_AP_REG_IDR (0xD00 + ADIV5_AP_REG_IDR)
+#define AP_REG_IDR(dap) (is_adiv6(dap) ? ADIV6_AP_REG_IDR : ADIV5_AP_REG_IDR)
/* Fields of the MEM-AP's CSW register */
#define CSW_SIZE_MASK 7
#define CSW_8BIT 0
#define CSW_16BIT 1
#define CSW_32BIT 2
+#define CSW_64BIT 3
+#define CSW_128BIT 4
+#define CSW_256BIT 5
#define CSW_ADDRINC_MASK (3UL << 4)
#define CSW_ADDRINC_OFF 0UL
#define CSW_ADDRINC_SINGLE (1UL << 4)
struct adiv5_dap *dap;
/**
- * Number of this AP.
+ * ADIv5: Number of this AP (0~255)
+ * ADIv6: Base address of this AP (4k aligned)
+ * TODO: to be more coherent, it should be renamed apsel
*/
- uint8_t ap_num;
+ uint64_t ap_num;
/**
* Default value for (MEM-AP) AP_REG_CSW register.
*/
uint32_t csw_value;
+ /**
+ * Save the supported CSW.Size data types for the MEM-AP.
+ * Each bit corresponds to a data type.
+ * 0b1 = Supported data size. 0b0 = Not supported.
+ * Bit 0 = Byte (8-bits)
+ * Bit 1 = Halfword (16-bits)
+ * Bit 2 = Word (32-bits) - always supported by spec.
+ * Bit 3 = Doubleword (64-bits)
+ * Bit 4 = 128-bits
+ * Bit 5 = 256-bits
+ */
+ uint32_t csw_size_supported_mask;
+ /**
+ * Probed CSW.Size data types for the MEM-AP.
+ * Each bit corresponds to a data type.
+ * 0b1 = Data size has been probed. 0b0 = Not yet probed.
+ * Bits assigned to sizes same way as above.
+ */
+ uint32_t csw_size_probed_mask;
+
/**
* Cache for (MEM-AP) AP_REG_TAR register value This is written to
* configure the address being read or written
uint32_t tar_autoincr_block;
/* true if packed transfers are supported by the MEM-AP */
- bool packed_transfers;
+ bool packed_transfers_supported;
+ bool packed_transfers_probed;
/* true if unaligned memory access is not supported by the MEM-AP */
bool unaligned_access_bad;
struct adiv5_ap ap[DP_APSEL_MAX + 1];
/* The current manually selected AP by the "dap apsel" command */
- uint32_t apsel;
+ uint64_t apsel;
+ /** Cache for DP SELECT and SELECT1 (ADIv6) register. */
+ uint64_t select;
+ /** Validity of DP SELECT cache. false will force register rewrite */
+ bool select_valid;
+ bool select1_valid; /* ADIv6 only */
/**
- * Cache for DP_SELECT register. A value of DP_SELECT_INVALID
- * indicates no cached value and forces rewrite of the register.
+ * Partial DPBANKSEL validity for SWD only.
+ * ADIv6 line reset sets DP SELECT DPBANKSEL to zero,
+ * ADIv5 does not.
+ * We can rely on it for the banked DP register 0 also on ADIv5
+ * as ADIv5 has no mapping for DP reg 0 - it is always DPIDR.
+ * It is important to avoid setting DP SELECT in connection
+ * reset state before reading DPIDR.
*/
- uint32_t select;
+ bool select_dpbanksel_valid;
/* information about current pending SWjDP-AHBAP transaction */
uint8_t ack;
* swizzle appropriately. */
bool ti_be_32_quirks;
+ /* The Nuvoton NPCX M4 has an issue with writing to non-4-byte-aligned mmios.
+ * The work around is to repeat the data in all 4 bytes of DRW */
+ bool nu_npcx_quirks;
+
/**
* STLINK adapter need to know if last AP operation was read or write, and
* in case of write has to flush it with a dummy read from DP_RDBUFF
* Record if enter in SWD required passing through DORMANT
*/
bool switch_through_dormant;
+
+ /** Indicates ADI version (5, 6 or 0 for unknown) being used */
+ unsigned int adi_version;
+
+ /* ADIv6 only field indicating ROM Table address size */
+ unsigned int asize;
};
/**
* available until run().
*/
struct dap_ops {
+ /** Optional; called once on the first enabled dap before connecting */
+ int (*pre_connect_init)(struct adiv5_dap *dap);
+
/** connect operation for SWD */
int (*connect)(struct adiv5_dap *dap);
AP_TYPE_AHB5H_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 8), /* AHB5 with enhanced HPROT Memory-AP */
};
+extern const struct dap_ops jtag_dp_ops;
+extern const struct dap_ops swd_dap_ops;
+
/* Check the ap->cfg_reg Long Address field (bit 1)
*
* 0b0: The AP only supports physical addresses 32 bits or smaller
return (ap->cfg_reg & MEM_AP_REG_CFG_LA) != 0;
}
+/**
+ * Check if DAP is ADIv6
+ *
+ * @param dap The DAP to test
+ *
+ * @return true for ADIv6, false for either ADIv5 or unknown version
+ */
+static inline bool is_adiv6(const struct adiv5_dap *dap)
+{
+ return dap->adi_version == 6;
+}
+
/**
* Send an adi-v5 sequence to the DAP.
*
assert(ap->dap->ops);
if (ap->refcount == 0) {
ap->refcount = 1;
- LOG_ERROR("BUG: refcount AP#%" PRIu8 " used without get", ap->ap_num);
+ LOG_ERROR("BUG: refcount AP#0x%" PRIx64 " used without get", ap->ap_num);
}
return ap->dap->ops->queue_ap_read(ap, reg, data);
}
assert(ap->dap->ops);
if (ap->refcount == 0) {
ap->refcount = 1;
- LOG_ERROR("BUG: refcount AP#%" PRIu8 " used without get", ap->ap_num);
+ LOG_ERROR("BUG: refcount AP#0x%" PRIx64 " used without get", ap->ap_num);
}
return ap->dap->ops->queue_ap_write(ap, reg, data);
}
/* Invalidate cached DP select and cached TAR and CSW of all APs */
void dap_invalidate_cache(struct adiv5_dap *dap);
+/* read ADIv6 baseptr register */
+int adiv6_dap_read_baseptr(struct command_invocation *cmd, struct adiv5_dap *dap, target_addr_t *baseptr);
+
+/* test if ap_num is valid, based on current knowledge of dap */
+bool is_ap_num_valid(struct adiv5_dap *dap, uint64_t ap_num);
+
/* Probe Access Ports to find a particular type. Increment AP refcount */
int dap_find_get_ap(struct adiv5_dap *dap,
enum ap_type type_to_find,
struct adiv5_ap **ap_out);
/* Return AP with specified ap_num. Increment AP refcount */
-struct adiv5_ap *dap_get_ap(struct adiv5_dap *dap, unsigned int ap_num);
+struct adiv5_ap *dap_get_ap(struct adiv5_dap *dap, uint64_t ap_num);
/* Return AP with specified ap_num. Increment AP refcount and keep it non-zero */
-struct adiv5_ap *dap_get_config_ap(struct adiv5_dap *dap, unsigned int ap_num);
+struct adiv5_ap *dap_get_config_ap(struct adiv5_dap *dap, uint64_t ap_num);
/* Decrement AP refcount and release the AP when refcount reaches zero */
int dap_put_ap(struct adiv5_ap *ap);
extern int dap_cleanup_all(void);
struct adiv5_private_config {
- int ap_num;
+ uint64_t ap_num;
struct adiv5_dap *dap;
};
extern int adiv5_verify_config(struct adiv5_private_config *pc);
+
+enum adiv5_configure_dap_optional {
+ ADI_CONFIGURE_DAP_COMPULSORY = false,
+ ADI_CONFIGURE_DAP_OPTIONAL = true
+};
+
+extern int adiv5_jim_configure_ext(struct target *target, struct jim_getopt_info *goi,
+ struct adiv5_private_config *pc,
+ enum adiv5_configure_dap_optional optional);
extern int adiv5_jim_configure(struct target *target, struct jim_getopt_info *goi);
struct adiv5_mem_ap_spot {
struct adiv5_dap *dap;
- int ap_num;
+ uint64_t ap_num;
uint32_t base;
};
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