da850evm: pass board revision info to kernel
there are two boards based on da850 SOC - OMAP-L138 and AM18x.
In order to differentiate between these two boards, revision id
is passed to kernel via second byte of ATAG_REVISION.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index e827256..9c0eade 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -147,6 +147,8 @@
#define CONFIG_DA850_EVM_MAX_CPU_CLK 300000000
#endif
+#define REV_AM18X_EVM 0x100
+
/*
* get_board_rev() - setup to pass kernel board revision information
* Returns:
@@ -172,7 +174,9 @@
rev = 2;
else if (maxcpuclk >= 372000000)
rev = 1;
-
+#ifdef CONFIG_DA850_AM18X_EVM
+ rev |= REV_AM18X_EVM;
+#endif
return rev;
}