X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Farm_adi_v5.h;h=5c598f16e34a47ae41a1be6a22a74eb86968ab13;hb=HEAD;hp=4cba62ae18d8018014a0cb75338751b3d48915cc;hpb=513aba19302cc6ad7bdb33390622fd5821571e8f;p=openocd.git diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h index 4cba62ae18..92c3dbc3a6 100644 --- a/src/target/arm_adi_v5.h +++ b/src/target/arm_adi_v5.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + /*************************************************************************** * Copyright (C) 2006 by Magnus Lundin * * lundin@mlu.mine.nu * @@ -6,19 +8,6 @@ * spen@spen-soft.co.uk * * * * Copyright (C) 2019-2021, Ampere Computing LLC * - * * - * 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 . * ***************************************************************************/ #ifndef OPENOCD_TARGET_ARM_ADI_V5_H @@ -86,6 +75,9 @@ #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) @@ -105,16 +97,20 @@ #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 @@ -169,6 +165,9 @@ #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) @@ -255,9 +254,11 @@ struct adiv5_ap { 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. @@ -271,6 +272,26 @@ struct adiv5_ap { */ 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 @@ -288,7 +309,8 @@ struct adiv5_ap { 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; @@ -342,13 +364,23 @@ struct adiv5_dap { 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; @@ -365,6 +397,10 @@ struct adiv5_dap { * 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 @@ -408,6 +444,9 @@ struct adiv5_dap { * 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); @@ -457,6 +496,9 @@ enum ap_type { 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 @@ -551,7 +593,7 @@ static inline int dap_queue_ap_read(struct adiv5_ap *ap, 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); } @@ -571,7 +613,7 @@ static inline int dap_queue_ap_write(struct adiv5_ap *ap, 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); } @@ -690,16 +732,22 @@ int mem_ap_init(struct adiv5_ap *ap); /* 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); @@ -735,16 +783,25 @@ extern const struct swd_driver *adiv5_dap_swd_driver(struct adiv5_dap *self); 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; };