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 <[email protected]>

Cc: Stephen Warren <[email protected]>

---

Changes in V2:
  * Move setenvs to set_board_info() function
  * Expand patch log


 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 d21750e..dc6f096 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -236,10 +236,23 @@ 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 8830a10..17237cf 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" \
-- 
1.8.4.5

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