target/xtensa: avoid IHI for writes to non-executable memory
[openocd.git] / src / flash / nor / at91samd.c
index 5fbf8bcaa83277d7cca08b8e8d640d0e0fa4aeea..36298f19d0ac54062467050ef76b4c20af2ed68d 100644 (file)
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /***************************************************************************
  *   Copyright (C) 2013 by Andrey Yurovsky                                 *
  *   Andrey Yurovsky <yurovsky@gmail.com>                                  *
- *                                                                         *
- *   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/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -23,6 +12,8 @@
 #include "imp.h"
 #include "helper/binarybuffer.h"
 
+#include <helper/time_support.h>
+#include <jtag/jtag.h>
 #include <target/cortex_m.h>
 
 #define SAMD_NUM_PROT_BLOCKS   16
@@ -41,7 +32,7 @@
 #define SAMD_NVMCTRL_CTRLA             0x00    /* NVM control A register */
 #define SAMD_NVMCTRL_CTRLB             0x04    /* NVM control B register */
 #define SAMD_NVMCTRL_PARAM             0x08    /* NVM parameters register */
-#define SAMD_NVMCTRL_INTFLAG   0x18    /* NVM Interrupt Flag Status & Clear */
+#define SAMD_NVMCTRL_INTFLAG   0x14    /* NVM Interrupt Flag Status & Clear */
 #define SAMD_NVMCTRL_STATUS            0x18    /* NVM status register */
 #define SAMD_NVMCTRL_ADDR              0x1C    /* NVM address register */
 #define SAMD_NVMCTRL_LOCK              0x20    /* NVM Lock section register */
@@ -65,6 +56,9 @@
 /* NVMCTRL bits */
 #define SAMD_NVM_CTRLB_MANW 0x80
 
+/* NVMCTRL_INTFLAG bits */
+#define SAMD_NVM_INTFLAG_READY 0x01
+
 /* Known identifiers */
 #define SAMD_PROCESSOR_M0      0x01
 #define SAMD_FAMILY_D          0x00
@@ -84,7 +78,7 @@
 #define SAMD_GET_DEVSEL(id) (id & 0xFF)
 
 /* Bits to mask out lockbits in user row */
-#define NVMUSERROW_LOCKBIT_MASK ((uint64_t)0x0000FFFFFFFFFFFF)
+#define NVMUSERROW_LOCKBIT_MASK 0x0000FFFFFFFFFFFFULL
 
 struct samd_part {
        uint8_t id;
@@ -249,7 +243,12 @@ static const struct samd_part saml21_parts[] = {
        { 0x1F, "SAMR30E18A", 256, 32 },
 
     /* SAMR34/R35 parts have integrated SAML21 with a lora radio */
-       { 0x28, "SAMR34J18", 256, 32 },
+       { 0x28, "SAMR34J18", 256, 40 },
+       { 0x29, "SAMR34J17", 128, 24 },
+       { 0x2A, "SAMR34J16", 64, 12 },
+       { 0x2B, "SAMR35J18", 256, 40 },
+       { 0x2C, "SAMR35J17", 128, 24 },
+       { 0x2D, "SAMR35J16", 64, 12 },
 };
 
 /* Known SAML22 parts. */
@@ -317,31 +316,31 @@ struct samd_family {
 static const struct samd_family samd_families[] = {
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_D, SAMD_SERIES_20,
                samd20_parts, ARRAY_SIZE(samd20_parts),
-               (uint64_t)0xFFFF01FFFE01FF77 },
+               0xFFFF01FFFE01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_D, SAMD_SERIES_21,
                samd21_parts, ARRAY_SIZE(samd21_parts),
-               (uint64_t)0xFFFF01FFFE01FF77 },
+               0xFFFF01FFFE01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_D, SAMD_SERIES_09,
                samd09_parts, ARRAY_SIZE(samd09_parts),
-               (uint64_t)0xFFFF01FFFE01FF77 },
+               0xFFFF01FFFE01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_D, SAMD_SERIES_10,
                samd10_parts, ARRAY_SIZE(samd10_parts),
-               (uint64_t)0xFFFF01FFFE01FF77 },
+               0xFFFF01FFFE01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_D, SAMD_SERIES_11,
                samd11_parts, ARRAY_SIZE(samd11_parts),
-               (uint64_t)0xFFFF01FFFE01FF77 },
+               0xFFFF01FFFE01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_L, SAMD_SERIES_21,
                saml21_parts, ARRAY_SIZE(saml21_parts),
-               (uint64_t)0xFFFF03FFFC01FF77 },
+               0xFFFF03FFFC01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_L, SAMD_SERIES_22,
                saml22_parts, ARRAY_SIZE(saml22_parts),
-               (uint64_t)0xFFFF03FFFC01FF77 },
+               0xFFFF03FFFC01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_C, SAMD_SERIES_20,
                samc20_parts, ARRAY_SIZE(samc20_parts),
-               (uint64_t)0xFFFF03FFFC01FF77 },
+               0xFFFF03FFFC01FF77ULL },
        { SAMD_PROCESSOR_M0, SAMD_FAMILY_C, SAMD_SERIES_21,
                samc21_parts, ARRAY_SIZE(samc21_parts),
-               (uint64_t)0xFFFF03FFFC01FF77 },
+               0xFFFF03FFFC01FF77ULL },
 };
 
 struct samd_info {
@@ -385,7 +384,7 @@ static const struct samd_part *samd_find_part(uint32_t id)
 {
        uint8_t devsel = SAMD_GET_DEVSEL(id);
        const struct samd_family *family = samd_find_family(id);
-       if (family == NULL)
+       if (!family)
                return NULL;
 
        for (unsigned i = 0; i < family->num_parts; i++) {
@@ -452,7 +451,7 @@ static int samd_probe(struct flash_bank *bank)
        }
 
        part = samd_find_part(id);
-       if (part == NULL) {
+       if (!part) {
                LOG_ERROR("Couldn't find part corresponding to DID %08" PRIx32, id);
                return ERROR_FAIL;
        }
@@ -506,7 +505,27 @@ static int samd_probe(struct flash_bank *bank)
 static int samd_check_error(struct target *target)
 {
        int ret, ret2;
+       uint8_t intflag;
        uint16_t status;
+       int timeout_ms = 1000;
+       int64_t ts_start = timeval_ms();
+
+       do {
+               ret = target_read_u8(target,
+                       SAMD_NVMCTRL + SAMD_NVMCTRL_INTFLAG, &intflag);
+               if (ret != ERROR_OK) {
+                       LOG_ERROR("Can't read NVM intflag");
+                       return ret;
+               }
+               if (intflag & SAMD_NVM_INTFLAG_READY)
+                       break;
+               keep_alive();
+       } while (timeval_ms() - ts_start < timeout_ms);
+
+       if (!(intflag & SAMD_NVM_INTFLAG_READY)) {
+               LOG_ERROR("SAMD: NVM programming timed out");
+               return ERROR_FLASH_OPERATION_FAILED;
+       }
 
        ret = target_read_u16(target,
                        SAMD_NVMCTRL + SAMD_NVMCTRL_STATUS, &status);
@@ -552,7 +571,8 @@ static int samd_issue_nvmctrl_command(struct target *target, uint16_t cmd)
        }
 
        /* Issue the NVM command */
-       res = target_write_u16(target,
+       /* 32-bit write is used to ensure atomic operation on ST-Link */
+       res = target_write_u32(target,
                        SAMD_NVMCTRL + SAMD_NVMCTRL_CTRLA, SAMD_NVM_CMD(cmd));
        if (res != ERROR_OK)
                return res;
@@ -606,7 +626,7 @@ static int samd_get_reservedmask(struct target *target, uint64_t *mask)
        }
        const struct samd_family *family;
        family = samd_find_family(id);
-       if (family == NULL) {
+       if (!family) {
                LOG_ERROR("Couldn't determine device family");
                return ERROR_FAIL;
        }
@@ -944,11 +964,6 @@ FLASH_BANK_COMMAND_HANDLER(samd_flash_bank_command)
        return ERROR_OK;
 }
 
-COMMAND_HANDLER(samd_handle_info_command)
-{
-       return ERROR_OK;
-}
-
 COMMAND_HANDLER(samd_handle_chip_erase_command)
 {
        struct target *target = get_current_target(CMD_CTX);
@@ -1051,31 +1066,6 @@ COMMAND_HANDLER(samd_handle_eeprom_command)
        return res;
 }
 
-static COMMAND_HELPER(get_u64_from_hexarg, unsigned int num, uint64_t *value)
-{
-       if (num >= CMD_ARGC) {
-               command_print(CMD, "Too few Arguments.");
-               return ERROR_COMMAND_SYNTAX_ERROR;
-       }
-
-       if (strlen(CMD_ARGV[num]) >= 3 &&
-               CMD_ARGV[num][0] == '0' &&
-               CMD_ARGV[num][1] == 'x') {
-               char *check = NULL;
-               *value = strtoull(&(CMD_ARGV[num][2]), &check, 16);
-               if ((value == 0 && errno == ERANGE) ||
-                       check == NULL || *check != 0) {
-                       command_print(CMD, "Invalid 64-bit hex value in argument %d.",
-                               num + 1);
-                       return ERROR_COMMAND_SYNTAX_ERROR;
-               }
-       } else {
-               command_print(CMD, "Argument %d needs to be a hex value.", num + 1);
-               return ERROR_COMMAND_SYNTAX_ERROR;
-       }
-       return ERROR_OK;
-}
-
 COMMAND_HANDLER(samd_handle_nvmuserrow_command)
 {
        int res = ERROR_OK;
@@ -1102,14 +1092,12 @@ COMMAND_HANDLER(samd_handle_nvmuserrow_command)
                        mask &= NVMUSERROW_LOCKBIT_MASK;
 
                        uint64_t value;
-                       res = CALL_COMMAND_HANDLER(get_u64_from_hexarg, 0, &value);
-                       if (res != ERROR_OK)
-                               return res;
+                       COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], value);
+
                        if (CMD_ARGC == 2) {
                                uint64_t mask_temp;
-                               res = CALL_COMMAND_HANDLER(get_u64_from_hexarg, 1, &mask_temp);
-                               if (res != ERROR_OK)
-                                       return res;
+                               COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], mask_temp);
+
                                mask &= mask_temp;
                        }
                        res = samd_modify_user_row_masked(target, value, mask);
@@ -1236,14 +1224,6 @@ static const struct command_registration at91samd_exec_command_handlers[] = {
                .help = "Deassert internal reset held by DSU.",
                .usage = "",
        },
-       {
-               .name = "info",
-               .handler = samd_handle_info_command,
-               .mode = COMMAND_EXEC,
-               .help = "Print information about the current at91samd chip "
-                       "and its flash configuration.",
-               .usage = "",
-       },
        {
                .name = "chip-erase",
                .handler = samd_handle_chip_erase_command,

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)