X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=env%2Fnvram.c;h=1a9fcf1c069ad110b21884b5040745c4caa1d717;hb=18b9c98024ec89e00a57707f07ff6ada06089d26;hp=0f4b491fd3b688868d21fcae80a918565fcbda37;hpb=ac358beb85362fb2fac47aaec40a7e1bca49656c;p=oweals%2Fu-boot.git

diff --git a/env/nvram.c b/env/nvram.c
index 0f4b491fd3..1a9fcf1c06 100644
--- a/env/nvram.c
+++ b/env/nvram.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000-2010
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Andreas Heppel <aheppel@sysgo.de>
-
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -26,23 +25,27 @@
 
 #include <common.h>
 #include <command.h>
-#include <environment.h>
+#include <env.h>
+#include <env_internal.h>
 #include <linux/stddef.h>
 #include <search.h>
 #include <errno.h>
+#include <u-boot/crc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
 extern void *nvram_read(void *dest, const long src, size_t count);
 extern void nvram_write(long dest, const void *src, size_t count);
-env_t *env_ptr;
 #else
-env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
+static env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
 #endif
 
 #ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
-static uchar env_nvram_get_char(int index)
+/** Call this function from overridden env_get_char_spec() if you need
+ * this functionality.
+ */
+int env_nvram_get_char(int index)
 {
 	uchar c;
 
@@ -52,7 +55,7 @@ static uchar env_nvram_get_char(int index)
 }
 #endif
 
-static void env_nvram_load(void)
+static int env_nvram_load(void)
 {
 	char buf[CONFIG_ENV_SIZE];
 
@@ -61,7 +64,7 @@ static void env_nvram_load(void)
 #else
 	memcpy(buf, (void *)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE);
 #endif
-	env_import(buf, 1);
+	return env_import(buf, 1);
 }
 
 static int env_nvram_save(void)
@@ -105,7 +108,7 @@ static int env_nvram_init(void)
 		gd->env_valid = ENV_VALID;
 	} else {
 		gd->env_addr	= (ulong)&default_environment[0];
-		gd->env_valid	= 0;
+		gd->env_valid	= ENV_INVALID;
 	}
 
 	return 0;
@@ -114,9 +117,6 @@ static int env_nvram_init(void)
 U_BOOT_ENV_LOCATION(nvram) = {
 	.location	= ENVL_NVRAM,
 	ENV_NAME("NVRAM")
-#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
-	.get_char	= env_nvram_get_char,
-#endif
 	.load		= env_nvram_load,
 	.save		= env_save_ptr(env_nvram_save),
 	.init		= env_nvram_init,