coding style: avoid unnecessary line continuations

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

diff --git a/src/flash/nor/mrvlqspi.c b/src/flash/nor/mrvlqspi.c
index 132e5f36b3de7ac574c84a6cd4e817341bd4eb05..7a06b3d09d6755192acd312cc2e9737fb8931d44 100644 (file)
--- a/src/flash/nor/mrvlqspi.c
+++ b/src/flash/nor/mrvlqspi.c
@@ -503,6 +503,9 @@ static int mrvlqspi_bulk_erase(struct flash_bank *bank)
        int retval;
        struct mrvlqspi_flash_bank *mrvlqspi_info = bank->driver_priv;
 
+       if (mrvlqspi_info->dev->chip_erase_cmd == 0x00)
+               return ERROR_FLASH_OPER_UNSUPPORTED;
+
        /* Set flash write enable */
        retval = mrvlqspi_set_write_status(bank, WRITE_ENABLE);
        if (retval != ERROR_OK)
@@ -560,7 +563,7 @@ static int mrvlqspi_flash_erase(struct flash_bank *bank, int first, int last)
        if (first == 0 && last == (bank->num_sectors - 1)
                && mrvlqspi_info->dev->chip_erase_cmd !=
                                        mrvlqspi_info->dev->erase_cmd) {
-               LOG_DEBUG("Chip supports the bulk erase command."\
+               LOG_DEBUG("Chip supports the bulk erase command."
                " Will use bulk erase instead of sector-by-sector erase.");
                retval = mrvlqspi_bulk_erase(bank);
                if (retval == ERROR_OK) {
@@ -570,6 +573,9 @@ static int mrvlqspi_flash_erase(struct flash_bank *bank, int first, int last)
                                " Falling back to sector-by-sector erase.");
        }
 
+       if (mrvlqspi_info->dev->erase_cmd == 0x00)
+               return ERROR_FLASH_OPER_UNSUPPORTED;
+
        for (sector = first; sector <= last; sector++) {
                retval = mrvlqspi_block_erase(bank,
                                sector * mrvlqspi_info->dev->sectorsize);
@@ -619,7 +625,9 @@ static int mrvlqspi_flash_write(struct flash_bank *bank, const uint8_t *buffer,
                }
        }
 
-       page_size = mrvlqspi_info->dev->pagesize;
+       /* if no valid page_size, use reasonable default */
+       page_size = mrvlqspi_info->dev->pagesize ?
+               mrvlqspi_info->dev->pagesize : SPIFLASH_DEF_PAGESIZE;
 
        /* See contrib/loaders/flash/mrvlqspi.S for src */
        static const uint8_t mrvlqspi_flash_write_code[] = {
@@ -673,7 +681,7 @@ static int mrvlqspi_flash_write(struct flash_bank *bank, const uint8_t *buffer,
 
        if (target_alloc_working_area(target, sizeof(mrvlqspi_flash_write_code),
                        &write_algorithm) != ERROR_OK) {
-               LOG_ERROR("Insufficient working area. You must configure"\
+               LOG_ERROR("Insufficient working area. You must configure"
                        " a working area > %zdB in order to write to SPIFI flash.",
                        sizeof(mrvlqspi_flash_write_code));
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
@@ -695,15 +703,15 @@ static int mrvlqspi_flash_write(struct flash_bank *bank, const uint8_t *buffer,
                 * space, free the algorithm */
                target_free_working_area(target, write_algorithm);
 
-               LOG_ERROR("Insufficient working area. Please allocate at least"\
+               LOG_ERROR("Insufficient working area. Please allocate at least"
                        " %zdB of working area to enable flash writes.",
                        sizeof(mrvlqspi_flash_write_code) + 1
                );
 
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        } else if (fifo_size < page_size)
-               LOG_WARNING("Working area size is limited; flash writes may be"\
-                       " slow. Increase working area size to at least %zdB"\
+               LOG_WARNING("Working area size is limited; flash writes may be"
+                       " slow. Increase working area size to at least %zdB"
                        " to reduce write times.",
                        (size_t)(sizeof(mrvlqspi_flash_write_code) + page_size)
                );
@@ -826,6 +834,7 @@ static int mrvlqspi_probe(struct flash_bank *bank)
        uint32_t id = 0;
        int retval;
        struct flash_sector *sectors;
+       uint32_t sectorsize;
 
        /* If we've already probed, we should be fine to skip this time. */
        if (mrvlqspi_info->probed)
@@ -859,12 +868,20 @@ static int mrvlqspi_probe(struct flash_bank *bank)
        LOG_INFO("Found flash device \'%s\' ID 0x%08" PRIx32,
                mrvlqspi_info->dev->name, mrvlqspi_info->dev->device_id);
 
+
        /* Set correct size value */
        bank->size = mrvlqspi_info->dev->size_in_bytes;
+       if (bank->size <= (1UL << 16))
+               LOG_WARNING("device needs 2-byte addresses - not implemented");
+       if (bank->size > (1UL << 24))
+               LOG_WARNING("device needs paging or 4-byte addresses - not implemented");
+
+       /* if no sectors, treat whole bank as single sector */
+       sectorsize = mrvlqspi_info->dev->sectorsize ?
+               mrvlqspi_info->dev->sectorsize : mrvlqspi_info->dev->size_in_bytes;
 
        /* create and fill sectors array */
-       bank->num_sectors = mrvlqspi_info->dev->size_in_bytes /
-                                       mrvlqspi_info->dev->sectorsize;
+       bank->num_sectors = mrvlqspi_info->dev->size_in_bytes / sectorsize;
        sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
        if (sectors == NULL) {
                LOG_ERROR("not enough memory");
@@ -872,9 +889,8 @@ static int mrvlqspi_probe(struct flash_bank *bank)
        }
 
        for (int sector = 0; sector < bank->num_sectors; sector++) {
-               sectors[sector].offset =
-                               sector * mrvlqspi_info->dev->sectorsize;
-               sectors[sector].size = mrvlqspi_info->dev->sectorsize;
+               sectors[sector].offset = sector * sectorsize;
+               sectors[sector].size = sectorsize;
                sectors[sector].is_erased = -1;
                sectors[sector].is_protected = 0;
        }
@@ -937,7 +953,7 @@ FLASH_BANK_COMMAND_HANDLER(mrvlqspi_flash_bank_command)
        return ERROR_OK;
 }
 
-struct flash_driver mrvlqspi_flash = {
+const struct flash_driver mrvlqspi_flash = {
        .name = "mrvlqspi",
        .flash_bank_command = mrvlqspi_flash_bank_command,
        .erase = mrvlqspi_flash_erase,