4  * SPDX-License-Identifier:	GPL-2.0
47 static void flash_read_id_raw(u8 cs, u8 *buf)  in flash_read_id_raw()  argument
51 	nandc_flash_reset(cs);  in flash_read_id_raw()
52 	nandc_flash_cs(cs);  in flash_read_id_raw()
53 	nandc_writel(READ_ID_CMD, NANDC_CHIP_CMD(cs));  in flash_read_id_raw()
54 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_id_raw()
57 	ptr[0] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
58 	ptr[1] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
59 	ptr[2] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
60 	ptr[3] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
61 	ptr[4] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
62 	ptr[5] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
63 	ptr[6] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
64 	ptr[7] = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_id_raw()
66 	nandc_flash_de_cs(cs);  in flash_read_id_raw()
68 		rkflash_print_error("No.%d FLASH ID:%x %x %x %x %x %x\n",  in flash_read_id_raw()
69 				    cs + 1, ptr[0], ptr[1], ptr[2],  in flash_read_id_raw()
89 static void flash_read_cmd(u8 cs, u32 page_addr)  in flash_read_cmd()  argument
91 	nandc_writel(READ_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_cmd()
92 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
93 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
94 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
95 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
96 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_read_cmd()
97 	nandc_writel(READ_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_cmd()
100 static void flash_prog_first_cmd(u8 cs, u32 page_addr)  in flash_prog_first_cmd()  argument
102 	nandc_writel(PAGE_PROG_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_prog_first_cmd()
103 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
104 	nandc_writel(0x00, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
105 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
106 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
107 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_prog_first_cmd()
110 static void flash_erase_cmd(u8 cs, u32 page_addr)  in flash_erase_cmd()  argument
112 	nandc_writel(BLOCK_ERASE_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_erase_cmd()
113 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
114 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
115 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_erase_cmd()
116 	nandc_writel(BLOCK_ERASE_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_erase_cmd()
119 static void flash_prog_second_cmd(u8 cs, u32 page_addr)  in flash_prog_second_cmd()  argument
122 	nandc_writel(PAGE_PROG_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_prog_second_cmd()
125 static u32 flash_read_status(u8 cs, u32 page_addr)  in flash_read_status()  argument
127 	nandc_writel(READ_STATUS_CMD, NANDC_CHIP_CMD(cs));  in flash_read_status()
130 	return nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_status()
133 static void flash_read_random_dataout_cmd(u8 cs, u32 col_addr)  in flash_read_random_dataout_cmd()  argument
135 	nandc_writel(READ_DP_OUT_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_random_dataout_cmd()
136 	nandc_writel(col_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_random_dataout_cmd()
137 	nandc_writel(col_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_random_dataout_cmd()
138 	nandc_writel(READ_DP_OUT_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_random_dataout_cmd()
141 static u32 flash_read_ecc(u8 cs)  in flash_read_ecc()  argument
145 	nandc_writel(READ_ECC_STATUS_CMD, NANDC_CHIP_CMD(cs));  in flash_read_ecc()
147 	ecc0 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
148 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
151 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
154 	ecc1 = nandc_readl(NANDC_CHIP_DATA(cs)) & 0xF;  in flash_read_ecc()
161 static u32 flash_read_page_raw(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_read_page_raw()  argument
167 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
168 	nandc_flash_cs(cs);  in flash_read_page_raw()
169 	flash_read_cmd(cs, page_addr);  in flash_read_page_raw()
170 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
171 	flash_read_random_dataout_cmd(cs, 0);  in flash_read_page_raw()
172 	nandc_wait_flash_ready(cs);  in flash_read_page_raw()
174 	error_ecc_bits = nandc_xfer_data(cs, NANDC_READ, sec_per_page,  in flash_read_page_raw()
177 	nandc_flash_de_cs(cs);  in flash_read_page_raw()
180 		if (error_ecc_bits >= (u32)nand_para.ecc_bits - 3) {  in flash_read_page_raw()
185 				nand_ecc = flash_read_ecc(cs);  in flash_read_page_raw()
188 					rkflash_print_error("%s nand ecc %x ecc %d\n",  in flash_read_page_raw()
198 		rkflash_print_info("%s %x %x nandc ecc= %d, internal ecc= %d\n",  in flash_read_page_raw()
199 				   __func__, cs, page_addr, error_ecc_bits, nand_ecc);  in flash_read_page_raw()
204 static u32 flash_read_page(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_read_page()  argument
208 	ret = flash_read_page_raw(cs, page_addr, p_data, p_spare);  in flash_read_page()
211 			ret = flash_read_page_raw(cs, page_addr, p_data, p_spare);  in flash_read_page()
217 		rkflash_print_error("%s %x err_ecc %d\n",  in flash_read_page()
220 	rkflash_print_dio("%s %x %x retry=%x\n",  in flash_read_page()
226 static u32 flash_prog_page(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_prog_page()  argument
231 	rkflash_print_dio("%s %x %x\n", __func__, page_addr, p_data[0]);  in flash_prog_page()
232 	nandc_wait_flash_ready(cs);  in flash_prog_page()
233 	nandc_flash_cs(cs);  in flash_prog_page()
234 	flash_prog_first_cmd(cs, page_addr);  in flash_prog_page()
235 	nandc_xfer_data(cs, NANDC_WRITE, sec_per_page, p_data, p_spare);  in flash_prog_page()
236 	flash_prog_second_cmd(cs, page_addr);  in flash_prog_page()
237 	nandc_wait_flash_ready(cs);  in flash_prog_page()
238 	status = flash_read_status(cs, page_addr);  in flash_prog_page()
239 	nandc_flash_de_cs(cs);  in flash_prog_page()
242 		rkflash_print_info("%s addr=%x status=%x\n",  in flash_prog_page()
248 static u32 flash_erase_block(u8 cs, u32 page_addr)  in flash_erase_block()  argument
252 	rkflash_print_dio("%s %x\n", __func__, page_addr);  in flash_erase_block()
253 	nandc_wait_flash_ready(cs);  in flash_erase_block()
254 	nandc_flash_cs(cs);  in flash_erase_block()
255 	flash_erase_cmd(cs, page_addr);  in flash_erase_block()
256 	nandc_wait_flash_ready(cs);  in flash_erase_block()
257 	status = flash_read_status(cs, page_addr);  in flash_erase_block()
258 	nandc_flash_de_cs(cs);  in flash_erase_block()
261 		rkflash_print_info("%s pageadd=%x status=%x\n",  in flash_erase_block()
267 static void flash_read_spare(u8 cs, u32 page_addr, u8 *spare)  in flash_read_spare()  argument
271 	nandc_writel(READ_CMD >> 8, NANDC_CHIP_CMD(cs));  in flash_read_spare()
272 	nandc_writel(col, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
273 	nandc_writel(col >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
274 	nandc_writel(page_addr & 0x00ff, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
275 	nandc_writel(page_addr >> 8, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
276 	nandc_writel(page_addr >> 16, NANDC_CHIP_ADDR(cs));  in flash_read_spare()
277 	nandc_writel(READ_CMD & 0x00ff, NANDC_CHIP_CMD(cs));  in flash_read_spare()
279 	nandc_wait_flash_ready(cs);  in flash_read_spare()
281 	*spare = nandc_readl(NANDC_CHIP_DATA(cs));  in flash_read_spare()
304 		page_addr2 = page_addr0 + nand_para.page_per_blk - 1;  in flash_get_bad_blk_list()
320 	u32 cs;  in flash_die_info_init()  local
323 	for (cs = 0; cs < MAX_FLASH_NUM; cs++) {  in flash_die_info_init()
324 		if (nand_para.nand_id[1] == id_byte[cs][1]) {  in flash_die_info_init()
325 			die_cs_index[g_nand_max_die] = cs;  in flash_die_info_init()
335 	rkflash_print_info("No.0 FLASH ID: %x %x %x %x %x %x\n",  in flash_show_info()
342 	rkflash_print_info("die_per_chip: %x\n", nand_para.die_per_chip);  in flash_show_info()
343 	rkflash_print_info("sec_per_page: %x\n", nand_para.sec_per_page);  in flash_show_info()
344 	rkflash_print_info("page_per_blk: %x\n", nand_para.page_per_blk);  in flash_show_info()
345 	rkflash_print_info("cell: %x\n", nand_para.cell);  in flash_show_info()
346 	rkflash_print_info("plane_per_die: %x\n", nand_para.plane_per_die);  in flash_show_info()
347 	rkflash_print_info("blk_per_plane: %x\n", nand_para.blk_per_plane);  in flash_show_info()
348 	rkflash_print_info("TotleBlock: %x\n", g_totle_block);  in flash_show_info()
349 	rkflash_print_info("die gap: %x\n", nand_para.die_gap);  in flash_show_info()
350 	rkflash_print_info("lsb_mode: %x\n", nand_para.lsb_mode);  in flash_show_info()
351 	rkflash_print_info("read_retry_mode: %x\n", nand_para.read_retry_mode);  in flash_show_info()
352 	rkflash_print_info("ecc_bits: %x\n", nand_para.ecc_bits);  in flash_show_info()
353 	rkflash_print_info("Use ecc_bits: %x\n", g_nand_flash_ecc_bits);  in flash_show_info()
354 	rkflash_print_info("access_freq: %x\n", nand_para.access_freq);  in flash_show_info()
355 	rkflash_print_info("opt_mode: %x\n", nand_para.opt_mode);  in flash_show_info()
357 	rkflash_print_info("Cache read enable: %x\n",  in flash_show_info()
359 	rkflash_print_info("Cache random read enable: %x\n",  in flash_show_info()
362 	rkflash_print_info("Cache prog enable: %x\n",  in flash_show_info()
364 	rkflash_print_info("multi read enable: %x\n",  in flash_show_info()
367 	rkflash_print_info("multi prog enable: %x\n",  in flash_show_info()
369 	rkflash_print_info("interleave enable: %x\n",  in flash_show_info()
372 	rkflash_print_info("read retry enable: %x\n",  in flash_show_info()
374 	rkflash_print_info("randomizer enable: %x\n",  in flash_show_info()
377 	rkflash_print_info("SDR enable: %x\n",  in flash_show_info()
379 	rkflash_print_info("ONFI enable: %x\n",  in flash_show_info()
381 	rkflash_print_info("TOGGLE enable: %x\n",  in flash_show_info()
384 	rkflash_print_info("g_nand_idb_res_blk_num: %x\n", g_nand_idb_res_blk_num);  in flash_show_info()
419 void nandc_flash_reset(u8 cs)  in nandc_flash_reset()  argument
421 	nandc_flash_cs(cs);  in nandc_flash_reset()
422 	nandc_writel(RESET_CMD, NANDC_CHIP_CMD(cs));  in nandc_flash_reset()
423 	nandc_wait_flash_ready(cs);  in nandc_flash_reset()
424 	nandc_flash_de_cs(cs);  in nandc_flash_reset()
429 	u32 cs;  in nandc_flash_init()  local
437 	for (cs = 0; cs < MAX_FLASH_NUM; cs++) {  in nandc_flash_init()
438 		flash_read_id_raw(cs, id_byte[cs]);  in nandc_flash_init()
439 		if (cs == 0) {  in nandc_flash_init()
523 void nandc_flash_get_id(u8 cs, void *buf)  in nandc_flash_get_id()  argument
525 	memcpy(buf, id_byte[cs], 5);  in nandc_flash_get_id()