Raspberry RP2040: Recognize. No flash handling yet.
This commit is contained in:
Uwe Bonnes
parent
04d1c9805b
commit
23f942ac8c
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@ -48,6 +48,7 @@ SRC = \
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nxpke04.c \
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platform.c \
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remote.c \
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rp.c \
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sam3x.c \
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sam4l.c \
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samd.c \
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@ -3,7 +3,7 @@
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*
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* Copyright (C) 2015 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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* Copyright (C) 2018 - 2020 Uwe Bonnes
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* Copyright (C) 2018 - 2021 Uwe Bonnes
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* (bon@elektron.ikp.physik.tu-darmstadt.de)
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*
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* This program is free software: you can redistribute it and/or modify
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@ -620,6 +620,20 @@ ADIv5_AP_t *adiv5_new_ap(ADIv5_DP_t *dp, uint8_t apsel)
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return ap;
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}
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/* No real AP on RP2040. Special setup.*/
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static void rp_rescue_setup(ADIv5_DP_t *dp)
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{
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ADIv5_AP_t *ap = malloc(sizeof(*ap));
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if (!ap) { /* malloc failed: heap exhaustion */
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DEBUG_WARN("malloc: failed in %s\n", __func__);
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return;
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}
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ap->dp = dp;
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extern void rp_rescue_probe(ADIv5_AP_t *);
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rp_rescue_probe(ap);
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return;
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}
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void adiv5_dp_init(ADIv5_DP_t *dp)
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{
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#define DPIDR_PARTNO_MASK 0x0ff00000
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@ -630,8 +644,12 @@ void adiv5_dp_init(ADIv5_DP_t *dp)
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free(dp);
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return;
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}
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DEBUG_INFO("DPIDR 0x%08" PRIx32 " (v%" PRId32 " %srev%" PRId32 ")\n",
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dp->idcode,
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if (dp->idcode == 0x10212927) {
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rp_rescue_setup(dp);
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free(dp);
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return;
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}
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DEBUG_INFO("DPIDR 0x%08" PRIx32 " (v%d %srev%d)\n", dp->idcode,
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(dp->idcode >> 12) & 0xf,
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(dp->idcode & 0x10000) ? "MINDP " : "", dp->idcode >> 28);
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volatile uint32_t ctrlstat = 0;
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@ -88,7 +88,8 @@
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#define ADIV5_AP_BASE ADIV5_AP_REG(0xF8)
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#define ADIV5_AP_IDR ADIV5_AP_REG(0xFC)
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/* Known designers seen in SYSROM-PIDR. Ignore Bit 7 from the designer bits*/
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/* Known designers seen in SYSROM-PIDR. Ignore Bit 0 from
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* the designer bits to get JEDEC Ids with bit 7 ignored.*/
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#define AP_DESIGNER_FREESCALE 0x00e
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#define AP_DESIGNER_TEXAS 0x017
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#define AP_DESIGNER_ATMEL 0x01f
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@ -102,6 +103,7 @@
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#define AP_DESIGNER_CS 0x555
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#define AP_DESIGNER_ENERGY_MICRO 0x673
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#define AP_DESIGNER_GIGADEVICE 0x751
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#define AP_DESIGNER_RASPBERRY 0x927
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/* AP Control and Status Word (CSW) */
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#define ADIV5_AP_CSW_DBGSWENABLE (1u << 31)
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@ -163,9 +163,6 @@ int adiv5_swdp_scan(uint32_t targetid)
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if (initial_dp->dp_low_read(initial_dp, ADIV5_DP_IDCODE,
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&idcode))
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continue;
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if (dp_targetid == 0xf1002927) /* Fixme: Handle RP2040 rescue port */
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continue;
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DEBUG_WARN("DP %2d IDCODE %08" PRIx32 " TID 0x%08" PRIx32 "\n", i, idcode, dp_targetid);
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} else {
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dp_targetid = 0;
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}
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@ -437,7 +437,10 @@ bool cortexm_probe(ADIv5_AP_t *ap)
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"probed device\n", ap->ap_designer, ap->ap_partno);
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#endif
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}
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if (ap->ap_partno == 0x4c3) { /* Cortex-M3 ROM */
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if (ap->ap_partno == 0x4c0) { /* Cortex-M0+ ROM */
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if ((ap->dp->targetid & 0xfff) == AP_DESIGNER_RASPBERRY)
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PROBE(rp_probe);
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} else if (ap->ap_partno == 0x4c3) { /* Cortex-M3 ROM */
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PROBE(stm32f1_probe); /* Care for STM32F1 clones */
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PROBE(lpc15xx_probe); /* Thanks to JojoS for testing */
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} else if (ap->ap_partno == 0x471) { /* Cortex-M0 ROM */
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@ -0,0 +1,84 @@
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/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2021 Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de)
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* This file implements Raspberry Pico (RP2040) target specific functions
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* for detecting the device, providing the XML memory map but not yet
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* Flash memory programming.
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*/
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#include "general.h"
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#include "target.h"
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#include "target_internal.h"
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#include "cortexm.h"
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bool rp_probe(target *t)
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{
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t->driver = "Raspberry RP2040";
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target_add_ram(t, 0x20000000, 0x40000);
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return true;
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}
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static bool rp_rescue_reset(target *t, int argc, const char **argv);
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const struct command_s rp_rescue_cmd_list[] = {
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{"rescue_reset", (cmd_handler)rp_rescue_reset, "Hard reset to bootrom and halt"},
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{NULL, NULL, NULL}
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};
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void rp_rescue_probe(ADIv5_AP_t *ap)
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{
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target *t = target_new();
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if (!t) {
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return;
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}
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adiv5_ap_ref(ap);
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t->priv = ap;
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t->priv_free = (void*)adiv5_ap_unref;
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t->driver = "Raspberry RP2040 Rescue";
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target_add_commands(t, rp_rescue_cmd_list, t->driver);
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}
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static bool rp_rescue_reset(target *t, int argc, const char **argv)
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{
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(void)argc;
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(void)argv;
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ADIv5_AP_t *ap = (ADIv5_AP_t *)t->priv;
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ap->dp->low_access(ap->dp, ADIV5_LOW_WRITE, ADIV5_DP_CTRLSTAT,
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ADIV5_DP_CTRLSTAT_CDBGPWRUPREQ);
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ap->dp->low_access(ap->dp, ADIV5_LOW_WRITE, ADIV5_DP_CTRLSTAT, 0);
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return true;
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}
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@ -54,7 +54,6 @@ target *target_new(void)
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t->attach = (void*)nop_function;
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t->detach = (void*)nop_function;
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t->check_error = (void*)nop_function;
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t->mem_read = (void*)nop_function;
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t->mem_write = (void*)nop_function;
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t->reg_read = (void*)nop_function;
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@ -348,7 +347,13 @@ void target_detach(target *t)
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#endif
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}
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bool target_check_error(target *t) { return t->check_error(t); }
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bool target_check_error(target *t) {
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if (t)
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return t->check_error(t);
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else
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return false;
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}
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bool target_attached(target *t) { return t->attached; }
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/* Memory access functions */
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@ -192,4 +192,5 @@ bool kinetis_probe(target *t);
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bool efm32_probe(target *t);
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bool msp432_probe(target *t);
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bool ke04_probe(target *t);
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bool rp_probe(target *t);
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#endif
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