2 * Copyright (C) 2017 Socionext Inc.
3 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <linux/ioport.h>
15 struct denali_dt_data {
16 unsigned int revision;
20 static const struct denali_dt_data denali_socfpga_data = {
21 .caps = DENALI_CAP_HW_ECC_FIXUP,
24 static const struct denali_dt_data denali_uniphier_v5a_data = {
25 .caps = DENALI_CAP_HW_ECC_FIXUP |
29 static const struct denali_dt_data denali_uniphier_v5b_data = {
31 .caps = DENALI_CAP_HW_ECC_FIXUP |
35 static const struct udevice_id denali_nand_dt_ids[] = {
37 .compatible = "altr,socfpga-denali-nand",
38 .data = (unsigned long)&denali_socfpga_data,
41 .compatible = "socionext,uniphier-denali-nand-v5a",
42 .data = (unsigned long)&denali_uniphier_v5a_data,
45 .compatible = "socionext,uniphier-denali-nand-v5b",
46 .data = (unsigned long)&denali_uniphier_v5b_data,
51 static int denali_dt_probe(struct udevice *dev)
53 struct denali_nand_info *denali = dev_get_priv(dev);
54 const struct denali_dt_data *data;
58 data = (void *)dev_get_driver_data(dev);
60 denali->revision = data->revision;
61 denali->caps = data->caps;
64 ret = dev_read_resource_byname(dev, "denali_reg", &res);
68 denali->flash_reg = devm_ioremap(dev, res.start, resource_size(&res));
70 ret = dev_read_resource_byname(dev, "nand_data", &res);
74 denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
76 return denali_init(denali);
79 U_BOOT_DRIVER(denali_nand_dt) = {
80 .name = "denali-nand-dt",
82 .of_match = denali_nand_dt_ids,
83 .probe = denali_dt_probe,
84 .priv_auto_alloc_size = sizeof(struct denali_nand_info),
87 void board_nand_init(void)
92 ret = uclass_get_device_by_driver(UCLASS_MISC,
93 DM_GET_DRIVER(denali_nand_dt),
95 if (ret && ret != -ENODEV)
96 printf("Failed to initialize Denali NAND controller. (error %d)\n",