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> 154c425570SMasahiro Yamada #include <../drivers/mtd/nand/denali.h> 164c425570SMasahiro Yamada 17784548efSMasahiro Yamada #include "init.h" 18fec48163SMasahiro Yamada 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 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 41*8c09f1f4SMasahiro 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 59*8c09f1f4SMasahiro Yamada return env_set("fdtfile", dtb_name); 608ea4f49aSMasahiro Yamada } 618ea4f49aSMasahiro Yamada 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"); 69382bee57SSimon Glass env_set("bootmode", "emmcboot"); 704c425570SMasahiro Yamada break; 714c425570SMasahiro Yamada case BOOT_DEVICE_NAND: 7263754842SMasahiro Yamada printf("NAND Boot"); 73382bee57SSimon Glass env_set("bootmode", "nandboot"); 744c425570SMasahiro Yamada nand_denali_wp_disable(); 754c425570SMasahiro Yamada break; 764c425570SMasahiro Yamada case BOOT_DEVICE_NOR: 7763754842SMasahiro Yamada printf("NOR Boot"); 78382bee57SSimon Glass env_set("bootmode", "norboot"); 794c425570SMasahiro Yamada break; 80fec48163SMasahiro Yamada case BOOT_DEVICE_USB: 8163754842SMasahiro Yamada printf("USB Boot"); 82382bee57SSimon Glass env_set("bootmode", "usbboot"); 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 } 100