1 // SPDX-License-Identifier: GPL-2.0
16 #define FLASH_STRESS_TEST_EN		0
28 	{0x98, 0xF1, 0, 0, 0, 0},
36 	0x100,
42 	0,
45 	{0}
48 static void flash_read_id_raw(u8 cs, u8 *buf)  in flash_read_id_raw()  argument
52 	nandc_flash_reset(cs);  in flash_read_id_raw()
53 	nandc_flash_cs(cs);  in flash_read_id_raw()
54 	nandc_writel(READ_ID_CMD, NANDC_CHIP_CMD(cs));  in flash_read_id_raw()
55 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_id_raw()
58 	ptr[0] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
59 	ptr[1] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
60 	ptr[2] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
61 	ptr[3] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
62 	ptr[4] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
63 	ptr[5] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
64 	ptr[6] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
65 	ptr[7] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
67 	nandc_flash_de_cs(cs);  in flash_read_id_raw()
68 	if (ptr[0] != 0xFF && ptr[0] && ptr[1] != 0xFF)  in flash_read_id_raw()
70 				    cs + 1, ptr[0], ptr[1], ptr[2],  in flash_read_id_raw()
90 static void flash_read_cmd(u8 cs, u32 page_addr)  in flash_read_cmd()  argument
92 	nandc_writel(READ_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_cmd()
93 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
94 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
95 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
96 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
97 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
98 	nandc_writel(READ_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_cmd()
101 static void flash_prog_first_cmd(u8 cs, u32 page_addr)  in flash_prog_first_cmd()  argument
103 	nandc_writel(PAGE_PROG_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_prog_first_cmd()
104 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
105 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
106 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
107 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
108 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
111 static void flash_erase_cmd(u8 cs, u32 page_addr)  in flash_erase_cmd()  argument
113 	nandc_writel(BLOCK_ERASE_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_erase_cmd()
114 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
115 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
116 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
117 	nandc_writel(BLOCK_ERASE_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_erase_cmd()
120 static void flash_prog_second_cmd(u8 cs, u32 page_addr)  in flash_prog_second_cmd()  argument
123 	nandc_writel(PAGE_PROG_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_prog_second_cmd()
126 static u32 flash_read_status(u8 cs, u32 page_addr)  in flash_read_status()  argument
128 	nandc_writel(READ_STATUS_CMD, NANDC_CHIP_CMD(cs));  in flash_read_status()
131 	return nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_status()
134 static void flash_read_random_dataout_cmd(u8 cs, u32 col_addr)  in flash_read_random_dataout_cmd()  argument
136 	nandc_writel(READ_DP_OUT_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_random_dataout_cmd()
137 	nandc_writel(col_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_random_dataout_cmd()
138 	nandc_writel(col_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_random_dataout_cmd()
139 	nandc_writel(READ_DP_OUT_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_random_dataout_cmd()
142 static u32 flash_read_ecc(u8 cs)  in flash_read_ecc()  argument
146 	nandc_writel(READ_ECC_STATUS_CMD, NANDC_CHIP_CMD(cs));  in flash_read_ecc()
148 	ecc0 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
149 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
152 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
155 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
162 static u32 flash_read_page_raw(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_read_page_raw()  argument
166 	u32 nand_ecc = 0;  in flash_read_page_raw()
168 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
169 	nandc_flash_cs(cs);  in flash_read_page_raw()
170 	flash_read_cmd(cs, page_addr);  in flash_read_page_raw()
171 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
172 	flash_read_random_dataout_cmd(cs, 0);  in flash_read_page_raw()
173 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
175 	error_ecc_bits = nandc_xfer_data(cs, NANDC_READ, sec_per_page,  in flash_read_page_raw()
178 	nandc_flash_de_cs(cs);  in flash_read_page_raw()
181 		if (error_ecc_bits >= (u32)nand_para.ecc_bits - 3) {  in flash_read_page_raw()
186 				nand_ecc = flash_read_ecc(cs);  in flash_read_page_raw()
200 				   __func__, cs, page_addr, error_ecc_bits, nand_ecc);  in flash_read_page_raw()
205 static u32 flash_read_page(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_read_page()  argument
207 	u32 ret, i = 0;  in flash_read_page()
209 	ret = flash_read_page_raw(cs, page_addr, p_data, p_spare);  in flash_read_page()
212 			ret = flash_read_page_raw(cs, page_addr, p_data, p_spare);  in flash_read_page()
222 			  __func__, page_addr, p_data[0], i);  in flash_read_page()
227 static u32 flash_prog_page(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_prog_page()  argument
232 	rkflash_print_dio("%s %x %x\n", __func__, page_addr, p_data[0]);  in flash_prog_page()
233 	nandc_wait_flash_ready(cs);  in flash_prog_page()
234 	nandc_flash_cs(cs);  in flash_prog_page()
235 	flash_prog_first_cmd(cs, page_addr);  in flash_prog_page()
236 	nandc_xfer_data(cs, NANDC_WRITE, sec_per_page, p_data, p_spare);  in flash_prog_page()
237 	flash_prog_second_cmd(cs, page_addr);  in flash_prog_page()
238 	nandc_wait_flash_ready(cs);  in flash_prog_page()
239 	status = flash_read_status(cs, page_addr);  in flash_prog_page()
240 	nandc_flash_de_cs(cs);  in flash_prog_page()
241 	status &= 0x01;  in flash_prog_page()
249 static u32 flash_erase_block(u8 cs, u32 page_addr)  in flash_erase_block()  argument
254 	nandc_wait_flash_ready(cs);  in flash_erase_block()
255 	nandc_flash_cs(cs);  in flash_erase_block()
256 	flash_erase_cmd(cs, page_addr);  in flash_erase_block()
257 	nandc_wait_flash_ready(cs);  in flash_erase_block()
258 	status = flash_read_status(cs, page_addr);  in flash_erase_block()
259 	nandc_flash_de_cs(cs);  in flash_erase_block()
260 	status &= 0x01;  in flash_erase_block()
268 static void flash_read_spare(u8 cs, u32 page_addr, u8 *spare)  in flash_read_spare()  argument
272 	nandc_writel(READ_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_spare()
273 	nandc_writel(col, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
274 	nandc_writel(col >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
275 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
276 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
277 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
278 	nandc_writel(READ_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_spare()
280 	nandc_wait_flash_ready(cs);  in flash_read_spare()
282 	*spare = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_spare()
296 	bad_cnt = 0;  in flash_get_bad_blk_list()
298 	for (blk = 0; blk < blk_per_die; blk++) {  in flash_get_bad_blk_list()
299 		bad_flag0 = 0xFF;  in flash_get_bad_blk_list()
300 		bad_flag1 = 0xFF;  in flash_get_bad_blk_list()
301 		bad_flag2 = 0xFF;  in flash_get_bad_blk_list()
303 			nand_para.page_per_blk + 0;  in flash_get_bad_blk_list()
305 		page_addr2 = page_addr0 + nand_para.page_per_blk - 1;  in flash_get_bad_blk_list()
309 		if (bad_flag0 != 0xFF ||  in flash_get_bad_blk_list()
310 		    bad_flag1 != 0xFF ||  in flash_get_bad_blk_list()
311 		    bad_flag2 != 0xFF) {  in flash_get_bad_blk_list()
321 	u32 cs;  in flash_die_info_init()  local
323 	g_nand_max_die = 0;  in flash_die_info_init()
324 	for (cs = 0; cs < MAX_FLASH_NUM; cs++) {  in flash_die_info_init()
325 		if (nand_para.nand_id[1] == id_byte[cs][1]) {  in flash_die_info_init()
326 			die_cs_index[g_nand_max_die] = cs;  in flash_die_info_init()
336 	rkflash_print_info("No.0 FLASH ID: %x %x %x %x %x %x\n",  in flash_show_info()
337 			   nand_para.nand_id[0],  in flash_show_info()
359 			   nand_para.operation_opt & NAND_CACHE_READ_EN ? 1 : 0);  in flash_show_info()
362 			   NAND_CACHE_RANDOM_READ_EN ? 1 : 0);  in flash_show_info()
364 			   nand_para.operation_opt & NAND_CACHE_PROG_EN ? 1 : 0);  in flash_show_info()
366 			   nand_para.operation_opt & NAND_MULTI_READ_EN ? 1 : 0);  in flash_show_info()
369 			   nand_para.operation_opt & NAND_MULTI_PROG_EN ? 1 : 0);  in flash_show_info()
371 			   nand_para.operation_opt & NAND_INTERLEAVE_EN ? 1 : 0);  in flash_show_info()
374 			   nand_para.operation_opt & NAND_READ_RETRY_EN ? 1 : 0);  in flash_show_info()
376 			   nand_para.operation_opt & NAND_RANDOMIZER_EN ? 1 : 0);  in flash_show_info()
379 			   nand_para.operation_opt & NAND_SDR_EN ? 1 : 0);  in flash_show_info()
381 			   nand_para.operation_opt & NAND_ONFI_EN ? 1 : 0);  in flash_show_info()
383 			   nand_para.operation_opt & NAND_TOGGLE_EN ? 1 : 0);  in flash_show_info()
420 void nandc_flash_reset(u8 cs)  in nandc_flash_reset()  argument
422 	nandc_flash_cs(cs);  in nandc_flash_reset()
423 	nandc_writel(RESET_CMD, NANDC_CHIP_CMD(cs));  in nandc_flash_reset()
424 	nandc_wait_flash_ready(cs);  in nandc_flash_reset()
425 	nandc_flash_de_cs(cs);  in nandc_flash_reset()
430 	u32 cs;  in nandc_flash_init()  local
434 	g_nand_ecc_en = 0;  in nandc_flash_init()
438 	for (cs = 0; cs < MAX_FLASH_NUM; cs++) {  in nandc_flash_init()
439 		flash_read_id_raw(cs, id_byte[cs]);  in nandc_flash_init()
440 		if (cs == 0) {  in nandc_flash_init()
441 			if (id_byte[0][0] == 0xFF ||  in nandc_flash_init()
442 			    id_byte[0][0] == 0 ||  in nandc_flash_init()
443 			    id_byte[0][1] == 0xFF)  in nandc_flash_init()
445 			if (id_byte[0][1] != 0xF1 &&  in nandc_flash_init()
446 			    id_byte[0][1] != 0xDA &&  in nandc_flash_init()
447 			    id_byte[0][1] != 0xD1 &&  in nandc_flash_init()
448 			    id_byte[0][1] != 0x95 &&  in nandc_flash_init()
449 			    id_byte[0][1] != 0xDC &&  in nandc_flash_init()
450 			    id_byte[0][1] != 0xD3 &&  in nandc_flash_init()
451 			    id_byte[0][1] != 0x48 &&  in nandc_flash_init()
452 			    id_byte[0][1] != 0xA1 &&  in nandc_flash_init()
453 			    id_byte[0][1] != 0xAA &&  in nandc_flash_init()
454 			    id_byte[0][1] != 0xAC &&  in nandc_flash_init()
455 			    id_byte[0][1] != 0x6A) {  in nandc_flash_init()
462 	if (id_byte[0][0] == 0x98 && (id_byte[0][4] & 0x80))  in nandc_flash_init()
464 	nand_para.nand_id[1] = id_byte[0][1];  in nandc_flash_init()
465 	if (id_byte[0][1] == 0xDA || id_byte[0][1] == 0xAA || id_byte[0][1] == 0x6A) {  in nandc_flash_init()
467 		nand_para.nand_id[1] = id_byte[0][1];  in nandc_flash_init()
468 	} else if (id_byte[0][1] == 0xDC || id_byte[0][1] == 0xAC) {  in nandc_flash_init()
469 		nand_para.nand_id[1] = id_byte[0][1];  in nandc_flash_init()
470 		if ((id_byte[0][0] == 0x2C && id_byte[0][3] == 0xA6) ||  in nandc_flash_init()
471 		    (id_byte[0][0] == 0xC2 && id_byte[0][3] == 0xA2)) {  in nandc_flash_init()
474 		} else if ((id_byte[0][0] == 0x98 && id_byte[0][3] == 0x26) ||  in nandc_flash_init()
475 			   (id_byte[0][0] == 0xC8 && ((id_byte[0][3] & 0x3) == 1))) {  in nandc_flash_init()
483 	} else if (id_byte[0][1] == 0x48) {  in nandc_flash_init()
488 	} else if (id_byte[0][1] == 0xD3) {  in nandc_flash_init()
499 	return 0;  in nandc_flash_init()
502 void nandc_flash_get_id(u8 cs, void *buf)  in nandc_flash_get_id()  argument
504 	memcpy(buf, id_byte[cs], 5);  in nandc_flash_get_id()
509 	return 0;  in nandc_flash_deinit()