[U-Boot] [PATCH V3 06/14] ARM: AM43XX: Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support
Lokesh Vutla
lokeshvutla at ti.com
Tue Dec 10 10:32:16 CET 2013
From: Sekhar Nori <nsekhar at ti.com>
CONFIG_ENV_VARS_UBOOT_CONFIG, CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG and
CONFIG_BOARD_LATE_INIT is already set. Adding support to detect the
board. These variables are used by findfdt.
Signed-off-by: Sekhar Nori <nsekhar at ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
Changes since V2:
-> No change.
board/ti/am43xx/board.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index 4fc1a40..723d0ca 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -98,6 +98,22 @@ int board_init(void)
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ char safe_string[HDR_NAME_LEN + 1];
+ struct am43xx_board_id header;
+
+ if (read_eeprom(&header) < 0)
+ puts("Could not get board ID.\n");
+
+ /* Now set variables based on the header. */
+ strncpy(safe_string, (char *)header.name, sizeof(header.name));
+ safe_string[sizeof(header.name)] = 0;
+ setenv("board_name", safe_string);
+
+ strncpy(safe_string, (char *)header.version, sizeof(header.version));
+ safe_string[sizeof(header.version)] = 0;
+ setenv("board_rev", safe_string);
+#endif
return 0;
}
#endif
--
1.7.9.5
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