+ /* Check for valid range */
+ if (address & buffermask)
+ {
+ LOG_ERROR("Write address at base 0x%x, address %x not aligned to 2^%d boundary", bank->base, address, cfi_info->max_buf_write_size);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ switch(bank->chip_width)
+ {
+ case 4 : bufferwsize = buffersize / 4; break;
+ case 2 : bufferwsize = buffersize / 2; break;
+ case 1 : bufferwsize = buffersize; break;
+ default:
+ LOG_ERROR("Unsupported chip width %d", bank->chip_width);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ bufferwsize/=(bank->bus_width / bank->chip_width);
+
+ /* Check for valid size */
+ if (wordcount > bufferwsize)
+ {
+ LOG_ERROR("Number of data words %d exceeds available buffersize %d", wordcount, buffersize);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ // Unlock
+ cfi_command(bank, 0xaa, command);
+ if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ cfi_command(bank, 0x55, command);
+ if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ // Buffer load command
+ cfi_command(bank, 0x25, command);
+ if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ /* Write buffer wordcount-1 and data words */
+ cfi_command(bank, bufferwsize-1, command);
+ if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ if((retval = target->type->write_memory(target, address, bank->bus_width, bufferwsize, word)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ /* Commit write operation */
+ cfi_command(bank, 0x29, command);
+ if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }