From 7a8d18da4bb2a92246af1129337164e9a41a9abf Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Mon, 30 Nov 2020 20:46:05 +0100
Subject: imx: aristainetos: enable U-Boot Environment variables protection

enable Environment protection with:

CONFIG_ENV_APPEND=y
CONFIG_ENV_WRITEABLE_LIST=y
CONFIG_ENV_ACCESS_IGNORE_FORCE

and add board specific env_get_location()
function.

Signed-off-by: Heiko Schocher <hs@denx.de>
---
 board/aristainetos/aristainetos.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'board/aristainetos')

diff --git a/board/aristainetos/aristainetos.c b/board/aristainetos/aristainetos.c
index 6bfaaed..07d2e3e 100644
--- a/board/aristainetos/aristainetos.c
+++ b/board/aristainetos/aristainetos.c
@@ -27,6 +27,7 @@
 #include <bmp_logo.h>
 #include <dm/root.h>
 #include <env.h>
+#include <env_internal.h>
 #include <i2c_eeprom.h>
 #include <i2c.h>
 #include <micrel.h>
@@ -527,3 +528,22 @@ int embedded_dtb_select(void)
 	return 0;
 }
 #endif
+
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	if (op == ENVOP_SAVE || op == ENVOP_ERASE)
+		return ENVL_SPI_FLASH;
+
+	switch (prio) {
+	case 0:
+		return ENVL_NOWHERE;
+
+	case 1:
+		return ENVL_SPI_FLASH;
+
+	default:
+		return ENVL_UNKNOWN;
+	}
+
+	return ENVL_UNKNOWN;
+}
-- 
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