]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/env_eeprom.c
LG Optimus Black (P970) codename sniper support
[karo-tx-uboot.git] / common / env_eeprom.c
index 149370f8348046d2b87a305aa0af503a306c0123..905d39ac9868357657a03ff458d71f709c2389fe 100644 (file)
@@ -5,7 +5,7 @@
  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Andreas Heppel <aheppel@sysgo.de>
  *
- * SPDX-License-Identifier:    GPL-2.0+ 
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -24,7 +24,6 @@ DECLARE_GLOBAL_DATA_PTR;
 env_t *env_ptr;
 
 char *env_name_spec = "EEPROM";
-int env_eeprom_bus = -1;
 
 static int eeprom_bus_read(unsigned dev_addr, unsigned offset,
                           uchar *buffer, unsigned cnt)
@@ -40,8 +39,7 @@ static int eeprom_bus_read(unsigned dev_addr, unsigned offset,
        rcode = eeprom_read(dev_addr, offset, buffer, cnt);
 
 #if defined(CONFIG_I2C_ENV_EEPROM_BUS)
-       if (old_bus != env_eeprom_bus)
-               i2c_set_bus_num(old_bus);
+       i2c_set_bus_num(old_bus);
 #endif
 
        return rcode;
@@ -63,6 +61,7 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset,
 #if defined(CONFIG_I2C_ENV_EEPROM_BUS)
        i2c_set_bus_num(old_bus);
 #endif
+
        return rcode;
 }
 
@@ -99,8 +98,6 @@ void env_relocate_spec(void)
 int saveenv(void)
 {
        env_t   env_new;
-       ssize_t len;
-       char    *res;
        int     rc;
        unsigned int off        = CONFIG_ENV_OFFSET;
 #ifdef CONFIG_ENV_OFFSET_REDUND
@@ -110,13 +107,9 @@ int saveenv(void)
 
        BUG_ON(env_ptr != NULL);
 
-       res = (char *)&env_new.data;
-       len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
-       if (len < 0) {
-               error("Cannot export environment: errno = %d\n", errno);
-               return 1;
-       }
-       env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+       rc = env_export(&env_new);
+       if (rc)
+               return rc;
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
        if (gd->env_valid == 1) {
@@ -154,6 +147,7 @@ int saveenv(void)
 #ifdef CONFIG_ENV_OFFSET_REDUND
 int env_init(void)
 {
+#ifdef ENV_IS_EMBEDDED
        ulong len, crc[2], crc_tmp;
        unsigned int off, off_env[2];
        uchar buf[64], flags[2];
@@ -219,12 +213,16 @@ int env_init(void)
                gd->env_addr = off_env[1] + offsetof(env_t, data);
        else if (gd->env_valid == 1)
                gd->env_addr = off_env[0] + offsetof(env_t, data);
-
+#else
+       gd->env_addr = (ulong)&default_environment[0];
+       gd->env_valid = 1;
+#endif
        return 0;
 }
 #else
 int env_init(void)
 {
+#ifdef ENV_IS_EMBEDDED
        ulong crc, len, new;
        unsigned off;
        uchar buf[64];
@@ -257,7 +255,10 @@ int env_init(void)
                gd->env_addr    = 0;
                gd->env_valid   = 0;
        }
-
+#else
+       gd->env_addr = (ulong)&default_environment[0];
+       gd->env_valid = 1;
+#endif
        return 0;
 }
 #endif