dm646x: pass board revision info to kernel
add a function in board file to pass board revision
info to kernel. Revision number 0 and 1 are passed in
case of DM6467 and DM6467T respectively.
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/board/davinci/dm6467evm/dm6467evm.c b/board/davinci/dm6467evm/dm6467evm.c
index 1a01c3c..ac82d5c 100644
--- a/board/davinci/dm6467evm/dm6467evm.c
+++ b/board/davinci/dm6467evm/dm6467evm.c
@@ -24,6 +24,26 @@
DECLARE_GLOBAL_DATA_PTR;
+#define REV_DM6467EVM 0
+#define REV_DM6467TEVM 1
+/*
+ * get_board_rev() - setup to pass kernel board revision information
+ * Returns:
+ * bit[0-3] System clock frequency
+ * 0000b - 27 MHz
+ * 0001b - 33 MHz
+ */
+u32 get_board_rev(void)
+{
+
+#ifdef DAVINCI_DM6467TEVM
+ return REV_DM6467TEVM;
+#else
+ return REV_DM6467EVM;
+#endif
+
+}
+
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM6467_EVM;