2 * Copyright (C) 2017 Socionext Inc.
3 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/ioport.h>
16 struct denali_dt_data {
17 unsigned int revision;
21 static const struct denali_dt_data denali_socfpga_data = {
22 .caps = DENALI_CAP_HW_ECC_FIXUP,
25 static const struct denali_dt_data denali_uniphier_v5a_data = {
26 .caps = DENALI_CAP_HW_ECC_FIXUP |
30 static const struct denali_dt_data denali_uniphier_v5b_data = {
32 .caps = DENALI_CAP_HW_ECC_FIXUP |
36 static const struct udevice_id denali_nand_dt_ids[] = {
38 .compatible = "altr,socfpga-denali-nand",
39 .data = (unsigned long)&denali_socfpga_data,
42 .compatible = "socionext,uniphier-denali-nand-v5a",
43 .data = (unsigned long)&denali_uniphier_v5a_data,
46 .compatible = "socionext,uniphier-denali-nand-v5b",
47 .data = (unsigned long)&denali_uniphier_v5b_data,
52 static int denali_dt_probe(struct udevice *dev)
54 struct denali_nand_info *denali = dev_get_priv(dev);
55 const struct denali_dt_data *data;
60 data = (void *)dev_get_driver_data(dev);
62 denali->revision = data->revision;
63 denali->caps = data->caps;
66 ret = dev_read_resource_byname(dev, "denali_reg", &res);
70 denali->flash_reg = devm_ioremap(dev, res.start, resource_size(&res));
72 ret = dev_read_resource_byname(dev, "nand_data", &res);
76 denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
78 ret = clk_get_by_index(dev, 0, &clk);
82 ret = clk_enable(&clk);
86 denali->clk_x_rate = clk_get_rate(&clk);
88 return denali_init(denali);
91 U_BOOT_DRIVER(denali_nand_dt) = {
92 .name = "denali-nand-dt",
94 .of_match = denali_nand_dt_ids,
95 .probe = denali_dt_probe,
96 .priv_auto_alloc_size = sizeof(struct denali_nand_info),
99 void board_nand_init(void)
104 ret = uclass_get_device_by_driver(UCLASS_MISC,
105 DM_GET_DRIVER(denali_nand_dt),
107 if (ret && ret != -ENODEV)
108 printf("Failed to initialize Denali NAND controller. (error %d)\n",