From 4df087ccf997d766df188ca8badcdaf523c24314 Mon Sep 17 00:00:00 2001
From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Tue, 28 Jul 2020 11:51:22 +0200
Subject: configs: sandbox: activate env in ext4 support

Activate ENV in EXT4 support in sandbox.

The sandbox behavior don't change; the default environment with
the nowhere backend (CONFIG_ENV_IS_NOWHERE)is still used:
the weak function env_get_location() return ENVL_NOWHERE for priority 0.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---
 board/sandbox/sandbox.c            | 15 +++++++++++++++
 configs/sandbox64_defconfig        |  4 ++++
 configs/sandbox_defconfig          |  4 ++++
 configs/sandbox_flattree_defconfig |  4 ++++
 configs/sandbox_spl_defconfig      |  4 ++++
 5 files changed, 31 insertions(+)

diff --git a/board/sandbox/sandbox.c b/board/sandbox/sandbox.c
index c1317a8..937ce28 100644
--- a/board/sandbox/sandbox.c
+++ b/board/sandbox/sandbox.c
@@ -7,6 +7,7 @@
 #include <cpu_func.h>
 #include <cros_ec.h>
 #include <dm.h>
+#include <env_internal.h>
 #include <init.h>
 #include <led.h>
 #include <os.h>
@@ -44,6 +45,20 @@ unsigned long timer_read_counter(void)
 }
 #endif
 
+/* specific order for sandbox: nowhere is the first value, used by default */
+static enum env_location env_locations[] = {
+	ENVL_NOWHERE,
+	ENVL_EXT4,
+};
+
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	if (prio >= ARRAY_SIZE(env_locations))
+		return ENVL_UNKNOWN;
+
+	return env_locations[prio];
+}
+
 int dram_init(void)
 {
 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index e8a1d57..9a16621 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -83,6 +83,10 @@ CONFIG_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_EXT4=y
+CONFIG_ENV_EXT4_INTERFACE="host"
+CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_REGMAP=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 5bb44c7..09b6dcb 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -94,6 +94,10 @@ CONFIG_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_EXT4=y
+CONFIG_ENV_EXT4_INTERFACE="host"
+CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_REGMAP=y
diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 4b28b8e..c76c0e8 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -66,6 +66,10 @@ CONFIG_AMIGA_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_EXT4=y
+CONFIG_ENV_EXT4_INTERFACE="host"
+CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_REGMAP=y
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index 4549a81..85a3e9c 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -83,6 +83,10 @@ CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_SPL_OF_PLATDATA=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_EXT4=y
+CONFIG_ENV_EXT4_INTERFACE="host"
+CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_SPL_DM=y
-- 
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