2  * Copyright (c) 2006-2018, RT-Thread Development Team
4  * SPDX-License-Identifier: Apache-2.0
8  * 2011-12-05     Bernard      the first version
20  * RT-Thread Generic Device Interface
22 static rt_err_t _mtd_init(rt_device_t dev)  in _mtd_init()  argument
27 static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag)  in _mtd_open()  argument
32 static rt_err_t _mtd_close(rt_device_t dev)  in _mtd_close()  argument
37 static rt_size_t _mtd_read(rt_device_t dev,  in _mtd_read()  argument
45 static rt_size_t _mtd_write(rt_device_t dev,  in _mtd_write()  argument
53 static rt_err_t _mtd_control(rt_device_t dev, int cmd, void *args)  in _mtd_control()  argument
73     rt_device_t dev;  in rt_mtd_nand_register_device()  local
75     dev = RT_DEVICE(device);  in rt_mtd_nand_register_device()
76     RT_ASSERT(dev != RT_NULL);  in rt_mtd_nand_register_device()
79     dev->type        = RT_Device_Class_MTD;  in rt_mtd_nand_register_device()
81 	dev->ops         = &mtd_nand_ops;  in rt_mtd_nand_register_device()
83     dev->init        = _mtd_init;  in rt_mtd_nand_register_device()
84     dev->open        = _mtd_open;  in rt_mtd_nand_register_device()
85     dev->read        = _mtd_read;  in rt_mtd_nand_register_device()
86     dev->write       = _mtd_write;  in rt_mtd_nand_register_device()
87     dev->close       = _mtd_close;  in rt_mtd_nand_register_device()
88     dev->control     = _mtd_control;  in rt_mtd_nand_register_device()
91     dev->rx_indicate = RT_NULL;  in rt_mtd_nand_register_device()
92     dev->tx_complete = RT_NULL;  in rt_mtd_nand_register_device()
94     /* register to RT-Thread device system */  in rt_mtd_nand_register_device()
95     return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);  in rt_mtd_nand_register_device()
100 #define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ')
106 	for (i=0; i<buflen; i+=16)   in mtd_dump_hex()
109 		for (j=0; j<16; j++)  in mtd_dump_hex()
115 		for (j=0; j<16; j++)  in mtd_dump_hex()
129 		return -RT_ERROR;  in mtd_nandid()
134 FINSH_FUNCTION_EXPORT_ALIAS(mtd_nandid, nand_id, read ID - nandid(name));
147 		return -RT_ERROR;  in mtd_nand_read()
150 	page_ptr = rt_malloc(nand->page_size + nand->oob_size);  in mtd_nand_read()
154 		return -RT_ENOMEM;  in mtd_nand_read()
157 	oob_ptr = page_ptr + nand->page_size;  in mtd_nand_read()
158 	rt_memset(page_ptr, 0xff, nand->page_size + nand->oob_size);  in mtd_nand_read()
161 	page = block * nand->pages_per_block + page;  in mtd_nand_read()
162 	result = rt_mtd_nand_read(nand, page, page_ptr, nand->page_size,  in mtd_nand_read()
163 		oob_ptr, nand->oob_size);  in mtd_nand_read()
166 	mtd_dump_hex(page_ptr, nand->page_size);  in mtd_nand_read()
167 	mtd_dump_hex(oob_ptr, nand->oob_size);  in mtd_nand_read()
170 	return 0;  in mtd_nand_read()
172 FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_read, nand_read, read page in nand - nand_read(name, block, pa…
183 		return -RT_ERROR;  in mtd_nand_readoob()
186 	oob_ptr = rt_malloc(nand->oob_size);  in mtd_nand_readoob()
190 		return -RT_ENOMEM;  in mtd_nand_readoob()
194 	page = block * nand->pages_per_block + page;  in mtd_nand_readoob()
195 	rt_mtd_nand_read(nand, page, RT_NULL, nand->page_size,  in mtd_nand_readoob()
196 		oob_ptr, nand->oob_size);  in mtd_nand_readoob()
197 	mtd_dump_hex(oob_ptr, nand->oob_size);  in mtd_nand_readoob()
200 	return 0;  in mtd_nand_readoob()
202 FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_readoob, nand_readoob, read spare data in nand - nand_readoob(…
216 		return -RT_ERROR;  in mtd_nand_write()
219 	page_ptr = rt_malloc(nand->page_size + nand->oob_size);  in mtd_nand_write()
223 		return -RT_ENOMEM;  in mtd_nand_write()
226 	oob_ptr = page_ptr + nand->page_size;  in mtd_nand_write()
228 	for (index = 0; index < nand->page_size; index ++)  in mtd_nand_write()
230 		page_ptr[index] = index & 0xff;  in mtd_nand_write()
233 	for (index = 0; index < nand->oob_size; index ++)  in mtd_nand_write()
235 		oob_ptr[index] = index & 0xff;  in mtd_nand_write()
239 	page = block * nand->pages_per_block + page;  in mtd_nand_write()
240 	result = rt_mtd_nand_write(nand, page, page_ptr, nand->page_size,  in mtd_nand_write()
241 		oob_ptr, nand->oob_size);  in mtd_nand_write()
248 	return 0;  in mtd_nand_write()
250 FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_write, nand_write, write dump data to nand - nand_write(name, …
259 		return -RT_ERROR;  in mtd_nand_erase()
268 	rt_uint32_t index = 0;  in mtd_nand_erase_all()
275 		return -RT_ERROR;  in mtd_nand_erase_all()
278 	for (index = 0; index < (nand->block_end - nand->block_start); index ++)  in mtd_nand_erase_all()
283 	return 0;  in mtd_nand_erase_all()
285 FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_erase_all, nand_erase_all, erase all of nand device - nand_era…