From bff78567da51eee433e0e76a87edc5f0a03a0d8d Mon Sep 17 00:00:00 2001
From: Guillaume GARDET <guillaume.gardet@free.fr>
Date: Tue, 25 Aug 2015 15:10:26 +0200
Subject: [PATCH] ARM: rpi: Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support
Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support and enable it to set
'board_rev' and 'board_name' envs.
'board_rev' can be used in scripts to determine what board we are running on
and 'board_name' for pretty printing.
Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
---
board/raspberrypi/rpi/rpi.c | 13 +++++++++++++
include/configs/rpi-common.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 942badb087..6451d1d916 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -242,10 +242,23 @@ static void set_usbethaddr(void)
return;
}
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+static void set_board_info(void)
+{
+ char str_rev[11];
+ sprintf(str_rev, "0x%X", rpi_board_rev);
+ setenv("board_rev", str_rev);
+ setenv("board_name", models[rpi_board_rev].name);
+}
+#endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
+
int misc_init_r(void)
{
set_fdtfile();
set_usbethaddr();
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ set_board_info();
+#endif
return 0;
}
diff --git a/include/configs/rpi-common.h b/include/configs/rpi-common.h
index 06836cd5d8..58fe1f7a43 100644
--- a/include/configs/rpi-common.h
+++ b/include/configs/rpi-common.h
@@ -133,6 +133,7 @@
#include <config_distro_defaults.h>
/* Environment */
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
#define ENV_DEVICE_SETTINGS \
"stdin=serial,lcd\0" \
"stdout=serial,lcd\0" \
--
2.39.5