arm: rmobile: Add supoprt for KMC KZM-A9-GT board

[platform/kernel/u-boot.git] / common / env_common.c

diff --git a/common/env_common.c b/common/env_common.c
index 8a71096..57221ef 100644 (file)
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -80,6 +80,9 @@ const uchar default_environment[] = {
 #ifdef CONFIG_ETH5ADDR
        "eth5addr="     MK_STR(CONFIG_ETH5ADDR)         "\0"
 #endif
+#ifdef CONFIG_ETHPRIME
+       "ethprime="     CONFIG_ETHPRIME                 "\0"
+#endif
 #ifdef CONFIG_IPADDR
        "ipaddr="       MK_STR(CONFIG_IPADDR)           "\0"
 #endif
@@ -116,13 +119,33 @@ const uchar default_environment[] = {
 #if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
        "pcidelay="     MK_STR(CONFIG_PCI_BOOTDELAY)    "\0"
 #endif
+#ifdef CONFIG_ENV_VARS_UBOOT_CONFIG
+       "arch="         CONFIG_SYS_ARCH                 "\0"
+       "cpu="          CONFIG_SYS_CPU                  "\0"
+       "board="        CONFIG_SYS_BOARD                "\0"
+#ifdef CONFIG_SYS_VENDOR
+       "vendor="       CONFIG_SYS_VENDOR               "\0"
+#endif
+#ifdef CONFIG_SYS_SOC
+       "soc="          CONFIG_SYS_SOC                  "\0"
+#endif
+#endif
 #ifdef CONFIG_EXTRA_ENV_SETTINGS
        CONFIG_EXTRA_ENV_SETTINGS
 #endif
        "\0"
 };
 
-struct hsearch_data env_htab;
+struct hsearch_data env_htab = {
+       .apply = env_check_apply,
+};
+
+static uchar __env_get_char_spec(int index)
+{
+       return *((uchar *)(gd->env_addr + index));
+}
+uchar env_get_char_spec(int)
+       __attribute__((weak, alias("__env_get_char_spec")));
 
 static uchar env_get_char_init(int index)
 {
@@ -157,6 +180,11 @@ const uchar *env_get_addr(int index)
 
 void set_default_env(const char *s)
 {
+       /*
+        * By default, do not apply changes as they will eventually
+        * be applied by someone else
+        */
+       int do_apply = 0;
        if (sizeof(default_environment) > ENV_SIZE) {
                puts("*** Error - default environment is too large\n\n");
                return;
@@ -168,6 +196,14 @@ void set_default_env(const char *s)
                                "using default environment\n\n",
                                s + 1);
                } else {
+                       /*
+                        * This set_to_default was explicitly asked for
+                        * by the user, as opposed to being a recovery
+                        * mechanism.  Therefore we check every single
+                        * variable and apply changes to the system
+                        * right away (e.g. baudrate, console).
+                        */
+                       do_apply = 1;
                        puts(s);
                }
        } else {
@@ -175,12 +211,27 @@ void set_default_env(const char *s)
        }
 
        if (himport_r(&env_htab, (char *)default_environment,
-                       sizeof(default_environment), '\0', 0) == 0)
+                       sizeof(default_environment), '\0', 0,
+                       0, NULL, do_apply) == 0)
                error("Environment import failed: errno = %d\n", errno);
 
        gd->flags |= GD_FLG_ENV_READY;
 }
 
+
+/* [re]set individual variables to their value in the default environment */
+int set_default_vars(int nvars, char * const vars[])
+{
+       /*
+        * Special use-case: import from default environment
+        * (and use \0 as a separator)
+        */
+       return himport_r(&env_htab, (const char *)default_environment,
+                               sizeof(default_environment), '\0', H_NOCLEAR,
+                               nvars, vars, 1 /* do_apply */);
+}
+
+#ifndef CONFIG_SPL_BUILD
 /*
  * Check if CRC is valid and (if yes) import the environment.
  * Note that "buf" may or may not be aligned.
@@ -200,7 +251,8 @@ int env_import(const char *buf, int check)
                }
        }
 
-       if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0)) {
+       if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0,
+                       0, NULL, 0 /* do_apply */)) {
                gd->flags |= GD_FLG_ENV_READY;
                return 1;
        }
@@ -211,6 +263,7 @@ int env_import(const char *buf, int check)
 
        return 0;
 }
+#endif
 
 void env_relocate(void)
 {
@@ -218,10 +271,11 @@ void env_relocate(void)
        env_reloc();
 #endif
        if (gd->env_valid == 0) {
-#if defined(CONFIG_ENV_IS_NOWHERE)     /* Environment not changable */
+#if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
+               /* Environment not changable */
                set_default_env(NULL);
 #else
-               show_boot_progress(-60);
+               bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
                set_default_env("!bad CRC");
 #endif
        } else {
@@ -229,7 +283,7 @@ void env_relocate(void)
        }
 }
 
-#ifdef CONFIG_AUTO_COMPLETE
+#if defined(CONFIG_AUTO_COMPLETE) && !defined(CONFIG_SPL_BUILD)
 int env_complete(char *var, int maxv, char *cmdv[], int bufsz, char *buf)
 {
        ENTRY *match;