[U-Boot] [PATCH] imx: vf610 add function get_cpu_rev

[Peng Fan]

Since we need to support runtime check for different drivers,
we need to add get_cpu_rev for vf610.

This patch only introduce a empty implementation to avoid build errors,
later more stuff can be added if need to check vf610 cpu types.

Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
Cc: Stefano Babic <sbabic at denx.de>
---
 arch/arm/cpu/armv7/vf610/generic.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c
index 05c401d..bd948cb 100644
--- a/arch/arm/cpu/armv7/vf610/generic.c
+++ b/arch/arm/cpu/armv7/vf610/generic.c
@@ -266,6 +266,17 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
 }
 #endif
 
+/*
+ * Empty function
+ * Several drivers use runtime check, which needs get_cpu_rev.
+ * If later we need to do runtime check for vf610, we can add
+ * more stuff here.
+ */
+u32 get_cpu_rev(void)
+{
+	return 0;
+}
+
 #if defined(CONFIG_DISPLAY_CPUINFO)
 static char *get_reset_cause(void)
 {
-- 
1.8.4