SPDX: Convert all of our single license tags to Linux Kernel style

[platform/kernel/u-boot.git] / arch / arm / mach-uniphier / board_late_init.c

diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
index 0622a1e..9dff3f1 100644 (file)
--- a/arch/arm/mach-uniphier/board_late_init.c
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -1,16 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (C) 2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
+ * Copyright (C) 2014      Panasonic Corporation
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  */
 
 #include <common.h>
 #include <spl.h>
+#include <linux/libfdt.h>
 #include <nand.h>
-#include <asm/io.h>
+#include <stdio.h>
+#include <linux/io.h>
+#include <linux/printk.h>
 #include <../drivers/mtd/nand/denali.h>
 
+#include "init.h"
+
 static void nand_denali_wp_disable(void)
 {
 #ifdef CONFIG_NAND_DENALI
@@ -26,28 +31,69 @@ static void nand_denali_wp_disable(void)
 #endif
 }
 
+static int uniphier_set_fdt_file(void)
+{
+       DECLARE_GLOBAL_DATA_PTR;
+       const char *compat;
+       char dtb_name[256];
+       int buf_len = sizeof(dtb_name);
+
+       if (env_get("fdt_file"))
+               return 0;       /* do nothing if it is already set */
+
+       compat = fdt_stringlist_get(gd->fdt_blob, 0, "compatible", 0, NULL);
+       if (!compat)
+               return -EINVAL;
+
+       /* rip off the vendor prefix "socionext,"  */
+       compat = strchr(compat, ',');
+       if (!compat)
+               return -EINVAL;
+       compat++;
+
+       strncpy(dtb_name, compat, buf_len);
+       buf_len -= strlen(compat);
+
+       strncat(dtb_name, ".dtb", buf_len);
+
+       return env_set("fdt_file", dtb_name);
+}
+
 int board_late_init(void)
 {
        puts("MODE:  ");
 
-       switch (spl_boot_device()) {
+       switch (uniphier_boot_device_raw()) {
        case BOOT_DEVICE_MMC1:
-               printf("eMMC Boot\n");
-               setenv("bootmode", "emmcboot");
+               printf("eMMC Boot");
+               env_set("bootmode", "emmcboot");
                break;
        case BOOT_DEVICE_NAND:
-               printf("NAND Boot\n");
-               setenv("bootmode", "nandboot");
+               printf("NAND Boot");
+               env_set("bootmode", "nandboot");
                nand_denali_wp_disable();
                break;
        case BOOT_DEVICE_NOR:
-               printf("NOR Boot\n");
-               setenv("bootmode", "norboot");
+               printf("NOR Boot");
+               env_set("bootmode", "norboot");
+               break;
+       case BOOT_DEVICE_USB:
+               printf("USB Boot");
+               env_set("bootmode", "usbboot");
                break;
        default:
-               printf("Unsupported Boot Mode\n");
-               return -1;
+               printf("Unknown");
+               break;
        }
 
+       if (uniphier_have_internal_stm())
+               printf(" (STM: %s)",
+                      uniphier_boot_from_backend() ? "OFF" : "ON");
+
+       printf("\n");
+
+       if (uniphier_set_fdt_file())
+               pr_warn("fdt_file environment was not set correctly\n");
+
        return 0;
 }