183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
24c425570SMasahiro Yamada /*
340749d5aSMasahiro Yamada * Copyright (C) 2014 Panasonic Corporation
440749d5aSMasahiro Yamada * Copyright (C) 2015-2016 Socionext Inc.
540749d5aSMasahiro Yamada * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
64c425570SMasahiro Yamada */
74c425570SMasahiro Yamada
84c425570SMasahiro Yamada #include <common.h>
94c425570SMasahiro Yamada #include <spl.h>
10b08c8c48SMasahiro Yamada #include <linux/libfdt.h>
114c425570SMasahiro Yamada #include <nand.h>
12dd74b945SMasahiro Yamada #include <stdio.h>
13f6e7f07cSMasahiro Yamada #include <linux/io.h>
14dd74b945SMasahiro Yamada #include <linux/printk.h>
15a430fa06SMiquel Raynal #include <../drivers/mtd/nand/raw/denali.h>
164c425570SMasahiro Yamada
17784548efSMasahiro Yamada #include "init.h"
18fec48163SMasahiro Yamada
nand_denali_wp_disable(void)194c425570SMasahiro Yamada static void nand_denali_wp_disable(void)
204c425570SMasahiro Yamada {
214c425570SMasahiro Yamada #ifdef CONFIG_NAND_DENALI
224c425570SMasahiro Yamada /*
234c425570SMasahiro Yamada * Since the boot rom enables the write protection for NAND boot mode,
244c425570SMasahiro Yamada * it must be disabled somewhere for "nand write", "nand erase", etc.
254c425570SMasahiro Yamada * The workaround is here to not disturb the Denali NAND controller
264c425570SMasahiro Yamada * driver just for a really SoC-specific thing.
274c425570SMasahiro Yamada */
284c425570SMasahiro Yamada void __iomem *denali_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
294c425570SMasahiro Yamada
304c425570SMasahiro Yamada writel(WRITE_PROTECT__FLAG, denali_reg + WRITE_PROTECT);
314c425570SMasahiro Yamada #endif
324c425570SMasahiro Yamada }
334c425570SMasahiro Yamada
uniphier_set_fdt_file(void)34881aa5a7SMasahiro Yamada static int uniphier_set_fdt_file(void)
358ea4f49aSMasahiro Yamada {
368ea4f49aSMasahiro Yamada DECLARE_GLOBAL_DATA_PTR;
37881aa5a7SMasahiro Yamada const char *compat;
38881aa5a7SMasahiro Yamada char dtb_name[256];
3940749d5aSMasahiro Yamada int buf_len = sizeof(dtb_name);
408ea4f49aSMasahiro Yamada
418c09f1f4SMasahiro Yamada if (env_get("fdtfile"))
424565a74dSMasahiro Yamada return 0; /* do nothing if it is already set */
434565a74dSMasahiro Yamada
44b02e4044SSimon Glass compat = fdt_stringlist_get(gd->fdt_blob, 0, "compatible", 0, NULL);
45b02e4044SSimon Glass if (!compat)
46881aa5a7SMasahiro Yamada return -EINVAL;
47881aa5a7SMasahiro Yamada
4840749d5aSMasahiro Yamada /* rip off the vendor prefix "socionext," */
4940749d5aSMasahiro Yamada compat = strchr(compat, ',');
5040749d5aSMasahiro Yamada if (!compat)
51881aa5a7SMasahiro Yamada return -EINVAL;
5240749d5aSMasahiro Yamada compat++;
53881aa5a7SMasahiro Yamada
5440749d5aSMasahiro Yamada strncpy(dtb_name, compat, buf_len);
55881aa5a7SMasahiro Yamada buf_len -= strlen(compat);
56881aa5a7SMasahiro Yamada
57881aa5a7SMasahiro Yamada strncat(dtb_name, ".dtb", buf_len);
58881aa5a7SMasahiro Yamada
598c09f1f4SMasahiro Yamada return env_set("fdtfile", dtb_name);
608ea4f49aSMasahiro Yamada }
618ea4f49aSMasahiro Yamada
board_late_init(void)624c425570SMasahiro Yamada int board_late_init(void)
634c425570SMasahiro Yamada {
644c425570SMasahiro Yamada puts("MODE: ");
654c425570SMasahiro Yamada
66784548efSMasahiro Yamada switch (uniphier_boot_device_raw()) {
674c425570SMasahiro Yamada case BOOT_DEVICE_MMC1:
6863754842SMasahiro Yamada printf("eMMC Boot");
69*6bc50a8fSMasahiro Yamada env_set("bootdev", "emmc");
704c425570SMasahiro Yamada break;
714c425570SMasahiro Yamada case BOOT_DEVICE_NAND:
7263754842SMasahiro Yamada printf("NAND Boot");
73*6bc50a8fSMasahiro Yamada env_set("bootdev", "nand");
744c425570SMasahiro Yamada nand_denali_wp_disable();
754c425570SMasahiro Yamada break;
764c425570SMasahiro Yamada case BOOT_DEVICE_NOR:
7763754842SMasahiro Yamada printf("NOR Boot");
78*6bc50a8fSMasahiro Yamada env_set("bootdev", "nor");
794c425570SMasahiro Yamada break;
80fec48163SMasahiro Yamada case BOOT_DEVICE_USB:
8163754842SMasahiro Yamada printf("USB Boot");
82*6bc50a8fSMasahiro Yamada env_set("bootdev", "usb");
83fec48163SMasahiro Yamada break;
844c425570SMasahiro Yamada default:
8563754842SMasahiro Yamada printf("Unknown");
86d90b9745SMasahiro Yamada break;
874c425570SMasahiro Yamada }
884c425570SMasahiro Yamada
8963754842SMasahiro Yamada if (uniphier_have_internal_stm())
9063754842SMasahiro Yamada printf(" (STM: %s)",
9163754842SMasahiro Yamada uniphier_boot_from_backend() ? "OFF" : "ON");
9263754842SMasahiro Yamada
9363754842SMasahiro Yamada printf("\n");
9463754842SMasahiro Yamada
95881aa5a7SMasahiro Yamada if (uniphier_set_fdt_file())
96dd74b945SMasahiro Yamada pr_warn("fdt_file environment was not set correctly\n");
978ea4f49aSMasahiro Yamada
984c425570SMasahiro Yamada return 0;
994c425570SMasahiro Yamada }
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