mtd/onenand/samsung.c

16 #include <linux/mtd/onenand.h>
68 static struct s3c_onenand *onenand;
72 	return readl(onenand->ahb_addr + cmd);
77 	writel(value, onenand->ahb_addr + cmd);
102 	writel(ONENAND_MEM_RESET_COLD, &onenand->reg->mem_reset);
104 		stat = readl(&onenand->reg->int_err_stat);
108 	stat = readl(&onenand->reg->int_err_stat);
109 	writel(stat, &onenand->reg->int_err_ack);
112 	writel(0x0, &onenand->reg->int_err_ack);
114 	writel(0x0, &onenand->reg->ecc_err_stat);
119 	struct onenand_chip *this = onenand->mtd->priv;
127 		return readl(&onenand->reg->manufact_id);
129 		return readl(&onenand->reg->device_id);
131 		return readl(&onenand->reg->flash_ver_id);
133 		return readl(&onenand->reg->data_buf_size);
135 		return readl(&onenand->reg->tech);
137 		return readl(&onenand->reg->mem_cfg);
151 	if (reg < ONENAND_DATARAM && onenand->bootram_command) {
153 			return readl(&onenand->reg->manufact_id);
155 			return readl(&onenand->reg->device_id);
157 			return readl(&onenand->reg->flash_ver_id);
168 	struct onenand_chip *this = onenand->mtd->priv;
175 		writel(value, &onenand->reg->mem_cfg);
193 			onenand->bootram_command = 1;
198 					&onenand->reg->mem_reset);
199 			onenand->bootram_command = 0;
234 		stat = readl(&onenand->reg->int_err_stat);
240 	stat = readl(&onenand->reg->int_err_stat);
241 	writel(stat, &onenand->reg->int_err_ack);
249 		ecc = readl(&onenand->reg->ecc_err_stat);
285 	mem_addr = onenand->mem_addr(fba, fpa, fsa);
301 	m = (unsigned int *) onenand->page_buf;
302 	s = (unsigned int *) onenand->oob_buf;
320 		writel(TSRF, &onenand->reg->trans_spare);
329 		writel(0, &onenand->reg->trans_spare);
339 		writel(TSRF, &onenand->reg->trans_spare);
349 		writel(0, &onenand->reg->trans_spare);
382 		p = (unsigned char *) onenand->page_buf;
386 		p = (unsigned char *) onenand->oob_buf;
418 	struct samsung_onenand *reg = (struct samsung_onenand *)onenand->base;
429 	stat = readl(&onenand->reg->int_err_stat);
430 	writel(stat, &onenand->reg->int_err_ack);
438 		int ecc = readl(&onenand->reg->ecc_err_stat);
456 		s3c_read_cmd(CMD_MAP_01(onenand->mem_addr(block, 0, 0)));
458 		if (readl(&onenand->reg->int_err_stat) & LOCKED_BLK) {
460 			writel(LOCKED_BLK, &onenand->reg->int_err_ack);
472 	start_mem_addr = onenand->mem_addr(start, 0, 0);
474 	end_mem_addr = onenand->mem_addr(end, 0, 0);
534 	onenand = malloc(sizeof(struct s3c_onenand));
535 	if (!onenand)
538 	onenand->page_buf = malloc(size * sizeof(char));
539 	if (!onenand->page_buf)
541 	memset(onenand->page_buf, 0xff, size);
543 	onenand->oob_buf = malloc(128 * sizeof(char));
544 	if (!onenand->oob_buf)
546 	memset(onenand->oob_buf, 0xff, 128);
548 	onenand->mtd = mtd;
551 	onenand->base = (void *)0xE7100000;
552 	onenand->ahb_addr = (void *)0xB0000000;
554 	onenand->mem_addr = s3c_mem_addr;
555 	onenand->reg = (struct samsung_onenand *)onenand->base;