42 static int fun_chip_init(struct fsl_upm_nand *fun,  in fun_chip_init()  argument
46 	struct mtd_info *mtd = nand_to_mtd(&fun->chip);  in fun_chip_init()
50 	fun->chip.ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT;  in fun_chip_init()
51 	fun->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;  in fun_chip_init()
52 	fun->chip.controller = &fun->base;  in fun_chip_init()
53 	mtd->dev.parent = fun->dev;  in fun_chip_init()
59 	nand_set_flash_node(&fun->chip, flash_np);  in fun_chip_init()
60 	mtd->name = devm_kasprintf(fun->dev, GFP_KERNEL, "0x%llx.%pOFn",  in fun_chip_init()
68 	ret = nand_scan(&fun->chip, fun->mchip_count);  in fun_chip_init()
81 	struct fsl_upm_nand *fun = to_fsl_upm_nand(nand_to_mtd(chip));  in func_exec_instr()  local
82 	u32 mar, reg_offs = fun->mchip_offsets[fun->mchip_number];  in func_exec_instr()
89 		fsl_upm_start_pattern(&fun->upm, fun->upm_cmd_offset);  in func_exec_instr()
90 		mar = (instr->ctx.cmd.opcode << (32 - fun->upm.width)) |  in func_exec_instr()
92 		fsl_upm_run_pattern(&fun->upm, fun->io_base + reg_offs, mar);  in func_exec_instr()
93 		fsl_upm_end_pattern(&fun->upm);  in func_exec_instr()
97 		fsl_upm_start_pattern(&fun->upm, fun->upm_addr_offset);  in func_exec_instr()
99 			mar = (instr->ctx.addr.addrs[i] << (32 - fun->upm.width)) |  in func_exec_instr()
101 			fsl_upm_run_pattern(&fun->upm, fun->io_base + reg_offs, mar);  in func_exec_instr()
103 		fsl_upm_end_pattern(&fun->upm);  in func_exec_instr()
109 			in[i] = in_8(fun->io_base + reg_offs);  in func_exec_instr()
115 			out_8(fun->io_base + reg_offs, out[i]);  in func_exec_instr()
119 		if (!fun->rnb_gpio[fun->mchip_number])  in func_exec_instr()
122 		return nand_gpio_waitrdy(chip, fun->rnb_gpio[fun->mchip_number],  in func_exec_instr()
135 	struct fsl_upm_nand *fun = to_fsl_upm_nand(nand_to_mtd(chip));  in fun_exec_op()  local
145 	fun->mchip_number = op->cs;  in fun_exec_op()
165 	struct fsl_upm_nand *fun;  in fun_probe()  local
172 	fun = devm_kzalloc(&ofdev->dev, sizeof(*fun), GFP_KERNEL);  in fun_probe()
173 	if (!fun)  in fun_probe()
176 	fun->io_base = devm_platform_get_and_ioremap_resource(ofdev, 0, &io_res);  in fun_probe()
177 	if (IS_ERR(fun->io_base))  in fun_probe()
178 		return PTR_ERR(fun->io_base);  in fun_probe()
180 	ret = fsl_upm_find(io_res->start, &fun->upm);  in fun_probe()
192 	fun->upm_addr_offset = *prop;  in fun_probe()
199 	fun->upm_cmd_offset = *prop;  in fun_probe()
204 		fun->mchip_count = size / sizeof(uint32_t);  in fun_probe()
205 		if (fun->mchip_count >= NAND_MAX_CHIPS) {  in fun_probe()
209 		for (i = 0; i < fun->mchip_count; i++)  in fun_probe()
210 			fun->mchip_offsets[i] = be32_to_cpu(prop[i]);  in fun_probe()
212 		fun->mchip_count = 1;  in fun_probe()
215 	for (i = 0; i < fun->mchip_count; i++) {  in fun_probe()
216 		fun->rnb_gpio[i] = devm_gpiod_get_index_optional(&ofdev->dev,  in fun_probe()
219 		if (IS_ERR(fun->rnb_gpio[i])) {  in fun_probe()
221 			return PTR_ERR(fun->rnb_gpio[i]);  in fun_probe()
225 	nand_controller_init(&fun->base);  in fun_probe()
226 	fun->base.ops = &fun_ops;  in fun_probe()
227 	fun->dev = &ofdev->dev;  in fun_probe()
229 	ret = fun_chip_init(fun, ofdev->dev.of_node, io_res);  in fun_probe()
233 	dev_set_drvdata(&ofdev->dev, fun);  in fun_probe()
240 	struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev);  in fun_remove()  local
241 	struct nand_chip *chip = &fun->chip;  in fun_remove()