flash/nor/atsame5: add SAME51G18A and SAME51G19A devices

[openocd.git] / src / flash / nor / atsame5.c

diff --git a/src/flash/nor/atsame5.c b/src/flash/nor/atsame5.c
index df423491787dc805f7a8f7f1265558b267658b6d..50e56a72ae9f43150f5420d94674e5e6b1d6d15c 100644 (file)
--- a/src/flash/nor/atsame5.c
+++ b/src/flash/nor/atsame5.c
@@ -27,13 +27,14 @@
 #include "imp.h"
 #include "helper/binarybuffer.h"
 
+#include <helper/time_support.h>
 #include <target/cortex_m.h>
 
 /* A note to prefixing.
- * Definitions and functions ingerited from at91samd.c without
- * any change retained the original prefix samd_ so they eventualy
+ * Definitions and functions inherited from at91samd.c without
+ * any change retained the original prefix samd_ so they eventually
  * may go to samd_common.h and .c
- * As currently there are olny 3 short functions identical with
+ * As currently there are only 3 short functions identical with
  * the original source, no common file was created. */
 
 #define SAME5_PAGES_PER_BLOCK  16
@@ -112,7 +113,7 @@ struct samd_part {
 };
 
 /* See SAM D5x/E5x Family Silicon Errata and Data Sheet Clarification
- * DS80000748B */
+ * DS80000748K */
 /* Known SAMD51 parts. */
 static const struct samd_part samd51_parts[] = {
        { 0x00, "SAMD51P20A", 1024, 256 },
@@ -133,6 +134,8 @@ static const struct samd_part same51_parts[] = {
        { 0x02, "SAME51J19A", 512, 192 },
        { 0x03, "SAME51J18A", 256, 128 },
        { 0x04, "SAME51J20A", 1024, 256 },
+       { 0x05, "SAME51G19A", 512, 192 },       /* New in rev D */
+       { 0x06, "SAME51G18A", 256, 128 },       /* New in rev D */
 };
 
 /* Known SAME53 parts. */
@@ -230,7 +233,7 @@ static const struct samd_part *samd_find_part(uint32_t id)
 
 static int same5_protect_check(struct flash_bank *bank)
 {
-       int res, prot_block;
+       int res;
        uint32_t lock;
 
        res = target_read_u32(bank->target,
@@ -239,7 +242,7 @@ static int same5_protect_check(struct flash_bank *bank)
                return res;
 
        /* Lock bits are active-low */
-       for (prot_block = 0; prot_block < bank->num_prot_blocks; prot_block++)
+       for (unsigned int prot_block = 0; prot_block < bank->num_prot_blocks; prot_block++)
                bank->prot_blocks[prot_block].is_protected = !(lock & (1u<<prot_block));
 
        return ERROR_OK;
@@ -338,19 +341,28 @@ static int same5_probe(struct flash_bank *bank)
 static int same5_wait_and_check_error(struct target *target)
 {
        int ret, ret2;
-       int rep_cnt = 100;
+       /* Table 54-40 lists the maximum erase block time as 200 ms.
+        * Include some margin.
+        */
+       int timeout_ms = 200 * 5;
+       int64_t ts_start = timeval_ms();
        uint16_t intflag;
 
        do {
                ret = target_read_u16(target,
                        SAMD_NVMCTRL + SAME5_NVMCTRL_INTFLAG, &intflag);
-               if (ret == ERROR_OK && intflag & SAME5_NVMCTRL_INTFLAG_DONE)
+               if (ret != ERROR_OK) {
+                       LOG_ERROR("SAM: error reading the NVMCTRL_INTFLAG register");
+                       return ret;
+               }
+               if (intflag & SAME5_NVMCTRL_INTFLAG_DONE)
                        break;
-       } while (--rep_cnt);
+               keep_alive();
+       } while (timeval_ms() - ts_start < timeout_ms);
 
-       if (ret != ERROR_OK) {
-               LOG_ERROR("Can't read NVM INTFLAG");
-               return ret;
+       if (!(intflag & SAME5_NVMCTRL_INTFLAG_DONE)) {
+               LOG_ERROR("SAM: NVM programming timed out");
+               ret = ERROR_FLASH_OPERATION_FAILED;
        }
 #if 0
        if (intflag & SAME5_NVMCTRL_INTFLAG_ECCSE)
@@ -559,10 +571,10 @@ static int same5_modify_user_row(struct target *target, uint32_t value,
                        buf_val, buf_mask, 0, 8);
 }
 
-static int same5_protect(struct flash_bank *bank, int set, int first_prot_bl, int last_prot_bl)
+static int same5_protect(struct flash_bank *bank, int set, unsigned int first,
+               unsigned int last)
 {
        int res = ERROR_OK;
-       int prot_block;
 
        /* We can issue lock/unlock region commands with the target running but
         * the settings won't persist unless we're able to modify the LOCK regions
@@ -572,7 +584,7 @@ static int same5_protect(struct flash_bank *bank, int set, int first_prot_bl, in
                return ERROR_TARGET_NOT_HALTED;
        }
 
-       for (prot_block = first_prot_bl; prot_block <= last_prot_bl; prot_block++) {
+       for (unsigned int prot_block = first; prot_block <= last; prot_block++) {
                if (set != bank->prot_blocks[prot_block].is_protected) {
                        /* Load an address that is within this protection block (we use offset 0) */
                        res = target_write_u32(bank->target,
@@ -596,7 +608,7 @@ static int same5_protect(struct flash_bank *bank, int set, int first_prot_bl, in
        const uint8_t unlock[4] = { 0xff, 0xff, 0xff, 0xff };
        uint8_t mask[4] = { 0, 0, 0, 0 };
 
-       buf_set_u32(mask, first_prot_bl, last_prot_bl + 1 - first_prot_bl, 0xffffffff);
+       buf_set_u32(mask, first, last + 1 - first, 0xffffffff);
 
        res = same5_modify_user_row_masked(bank->target,
                        set ? lock : unlock, mask, 8, 4);
@@ -611,9 +623,10 @@ exit:
        return res;
 }
 
-static int same5_erase(struct flash_bank *bank, int first_sect, int last_sect)
+static int same5_erase(struct flash_bank *bank, unsigned int first,
+               unsigned int last)
 {
-       int res, s;
+       int res;
        struct samd_info *chip = (struct samd_info *)bank->driver_priv;
 
        if (bank->target->state != TARGET_HALTED) {
@@ -626,7 +639,7 @@ static int same5_erase(struct flash_bank *bank, int first_sect, int last_sect)
                return ERROR_FLASH_BANK_NOT_PROBED;
 
        /* For each sector to be erased */
-       for (s = first_sect; s <= last_sect; s++) {
+       for (unsigned int s = first; s <= last; s++) {
                res = same5_erase_block(bank->target, bank->sectors[s].offset);
                if (res != ERROR_OK) {
                        LOG_ERROR("SAM: failed to erase sector %d at 0x%08" PRIx32, s, bank->sectors[s].offset);
@@ -720,9 +733,7 @@ static int same5_write(struct flash_bank *bank, const uint8_t *buffer,
        }
 
 free_pb:
-       if (pb)
-               free(pb);
-
+       free(pb);
        return res;
 }
 
@@ -731,7 +742,7 @@ FLASH_BANK_COMMAND_HANDLER(same5_flash_bank_command)
 {
        if (bank->base != SAMD_FLASH) {
                LOG_ERROR("Address " TARGET_ADDR_FMT " invalid bank address (try "
-                       "0x%08" PRIx32 "[same5] )", bank->base, SAMD_FLASH);
+                       "0x%08x[same5] )", bank->base, SAMD_FLASH);
                return ERROR_FAIL;
        }
 
@@ -765,9 +776,9 @@ COMMAND_HANDLER(same5_handle_chip_erase_command)
         * perform the erase. */
        int res = target_write_u8(target, SAMD_DSU + SAMD_DSU_CTRL_EXT, (1<<4));
        if (res == ERROR_OK)
-               command_print(CMD_CTX, "chip erase started");
+               command_print(CMD, "chip erase started");
        else
-               command_print(CMD_CTX, "write to DSU CTRL failed");
+               command_print(CMD, "write to DSU CTRL failed");
 
        return res;
 }
@@ -781,7 +792,7 @@ COMMAND_HANDLER(same5_handle_userpage_command)
                return ERROR_FAIL;
 
        if (CMD_ARGC > 2) {
-               command_print(CMD_CTX, "Too much Arguments given.");
+               command_print(CMD, "Too much Arguments given.");
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
@@ -806,7 +817,7 @@ COMMAND_HANDLER(same5_handle_userpage_command)
        int res2 = target_read_memory(target, SAMD_USER_ROW, 4, 2, buffer);
        if (res2 == ERROR_OK) {
                uint64_t value = target_buffer_get_u64(target, buffer);
-               command_print(CMD_CTX, "USER PAGE: 0x%016"PRIX64, value);
+               command_print(CMD, "USER PAGE: 0x%016"PRIX64, value);
        } else {
                LOG_ERROR("USER PAGE could not be read.");
        }
@@ -829,7 +840,7 @@ COMMAND_HANDLER(same5_handle_bootloader_command)
                unsigned long size = strtoul(CMD_ARGV[0], NULL, 0);
                uint32_t code = (size + 8191) / 8192;
                if (code > 15) {
-                       command_print(CMD_CTX, "Invalid bootloader size.  Please "
+                       command_print(CMD, "Invalid bootloader size.  Please "
                                                "see datasheet for a list valid sizes.");
                        return ERROR_COMMAND_SYNTAX_ERROR;
                }
@@ -842,7 +853,7 @@ COMMAND_HANDLER(same5_handle_bootloader_command)
        if (res2 == ERROR_OK) {
                uint32_t code = (val >> 26) & 0xf; /* grab size code */
                uint32_t size = (15 - code) * 8192;
-               command_print(CMD_CTX, "Bootloader protected in the first %"
+               command_print(CMD, "Bootloader protected in the first %"
                                      PRIu32 " bytes", size);
        }
 
@@ -896,7 +907,7 @@ static const struct command_registration same5_exec_command_handlers[] = {
                .usage = "",
                .handler = samd_handle_reset_deassert,
                .mode = COMMAND_EXEC,
-               .help = "Deasert internal reset held by DSU."
+               .help = "Deassert internal reset held by DSU."
        },
        {
                .name = "chip-erase",