2 * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <../drivers/mtd/nand/denali.h>
14 #include "boot-mode/boot-device.h"
16 static void nand_denali_wp_disable(void)
18 #ifdef CONFIG_NAND_DENALI
20 * Since the boot rom enables the write protection for NAND boot mode,
21 * it must be disabled somewhere for "nand write", "nand erase", etc.
22 * The workaround is here to not disturb the Denali NAND controller
23 * driver just for a really SoC-specific thing.
25 void __iomem *denali_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
27 writel(WRITE_PROTECT__FLAG, denali_reg + WRITE_PROTECT);
31 #define VENDOR_PREFIX "socionext,"
32 #define DTB_FILE_PREFIX "uniphier-"
34 static int uniphier_set_fdt_file(void)
36 DECLARE_GLOBAL_DATA_PTR;
42 ret = fdt_get_string(gd->fdt_blob, 0, "compatible", &compat);
46 if (strncmp(compat, VENDOR_PREFIX, strlen(VENDOR_PREFIX)))
49 compat += strlen(VENDOR_PREFIX);
51 strncat(dtb_name, DTB_FILE_PREFIX, buf_len);
52 buf_len -= strlen(DTB_FILE_PREFIX);
54 strncat(dtb_name, compat, buf_len);
55 buf_len -= strlen(compat);
57 strncat(dtb_name, ".dtb", buf_len);
59 setenv("fdt_file", dtb_name);
64 int board_late_init(void)
68 switch (spl_boot_device_raw()) {
69 case BOOT_DEVICE_MMC1:
70 printf("eMMC Boot\n");
71 setenv("bootmode", "emmcboot");
73 case BOOT_DEVICE_NAND:
74 printf("NAND Boot\n");
75 setenv("bootmode", "nandboot");
76 nand_denali_wp_disable();
80 setenv("bootmode", "norboot");
84 setenv("bootmode", "usbboot");
91 if (uniphier_set_fdt_file())
92 printf("fdt_file environment was not set correctly\n");