[U-Boot] [RFC PATCH 1/5] arm: v7: Update VBAR only if available

[Lokesh Vutla]

Not all ARM V7 based cpus has VBAR for remapping
vector base address. So, update VBAR only if it available.

Reviewed-by: Tom Rini <trini at konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/cpu/armv7/start.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 7e2695761e..937f7051fe 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -73,9 +73,11 @@ switch_to_hypervisor_ret:
 	bic	r0, #CR_V		@ V = 0
 	mcr	p15, 0, r0, c1, c0, 0	@ Write CP15 SCTLR Register
 
+#ifdef CONFIG_HAS_VBAR
 	/* Set vector address in CP15 VBAR register */
 	ldr	r0, =_start
 	mcr	p15, 0, r0, c12, c0, 0	@Set VBAR
+#endif
 #endif
 
 	/* the mask ROM code should have PLL and others stable */
-- 
2.17.0