arm64: zynqmp: Used fixed-partitions for QSPI in k26

[platform/kernel/u-boot.git] / env / nvram.c

diff --git a/env/nvram.c b/env/nvram.c
index 4f45eae..fb26523 100644 (file)
--- 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+
  */
 
 /*
@@ -26,35 +25,24 @@
 
 #include <common.h>
 #include <command.h>
-#include <environment.h>
+#include <env.h>
+#include <env_internal.h>
+#include <asm/global_data.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
 
-char *env_name_spec = "NVRAM";
-
-#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
-uchar env_get_char_spec(int index)
-{
-       uchar c;
-
-       nvram_read(&c, CONFIG_ENV_ADDR + index, 1);
-
-       return c;
-}
-#endif
-
-void env_relocate_spec(void)
+static int env_nvram_load(void)
 {
        char buf[CONFIG_ENV_SIZE];
 
@@ -63,10 +51,10 @@ void env_relocate_spec(void)
 #else
        memcpy(buf, (void *)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE);
 #endif
-       env_import(buf, 1);
+       return env_import(buf, 1, H_EXTERNAL);
 }
 
-int saveenv(void)
+static int env_nvram_save(void)
 {
        env_t   env_new;
        int     rcode = 0;
@@ -89,7 +77,7 @@ int saveenv(void)
  *
  * We are still running from ROM, so data use is limited
  */
-int env_init(void)
+static int env_nvram_init(void)
 {
 #if defined(CONFIG_SYS_NVRAM_ACCESS_ROUTINE)
        ulong crc;
@@ -99,15 +87,14 @@ int env_init(void)
        nvram_read(data, CONFIG_ENV_ADDR + sizeof(ulong), ENV_SIZE);
 
        if (crc32(0, data, ENV_SIZE) == crc) {
-               gd->env_addr    = (ulong)CONFIG_ENV_ADDR + sizeof(long);
+               gd->env_addr = (ulong)CONFIG_ENV_ADDR + sizeof(long);
 #else
        if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
-               gd->env_addr    = (ulong)&env_ptr->data;
+               gd->env_addr = (ulong)&env_ptr->data;
 #endif
                gd->env_valid = ENV_VALID;
        } else {
-               gd->env_addr    = (ulong)&default_environment[0];
-               gd->env_valid   = 0;
+               gd->env_valid = ENV_INVALID;
        }
 
        return 0;
@@ -115,10 +102,8 @@ int env_init(void)
 
 U_BOOT_ENV_LOCATION(nvram) = {
        .location       = ENVL_NVRAM,
-#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
-       .get_char       = env_get_char_spec,
-#endif
-       .load           = env_relocate_spec,
-       .save           = env_save_ptr(saveenv),
-       .init           = env_init,
+       ENV_NAME("NVRAM")
+       .load           = env_nvram_load,
+       .save           = env_save_ptr(env_nvram_save),
+       .init           = env_nvram_init,
 };