1 // SPDX-License-Identifier: GPL-2.0
27 	2,
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()
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
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
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()
227 static u32 flash_prog_page(u8 cs, u32 page_addr, u32 *p_data, u32 *p_spare)  in flash_prog_page()  argument
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()
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()
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()
305 		page_addr2 = page_addr0 + nand_para.page_per_blk - 1;  in flash_get_bad_blk_list()
321 	u32 cs;  in flash_die_info_init()  local
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()
339 			   nand_para.nand_id[2],  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
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()
466 		nand_para.plane_per_die = 2;  in nandc_flash_init()
472 			nand_para.plane_per_die = 2;  in nandc_flash_init()
478 			nand_para.plane_per_die = 2;  in nandc_flash_init()
480 			nand_para.plane_per_die = 2;  in nandc_flash_init()
486 		nand_para.plane_per_die = 2;  in nandc_flash_init()
491 		nand_para.plane_per_die = 2;  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()