The vector is not correctly setup in armv7 except for OMAP3. Correcting this.
Signed-off-by: Aneesh V aneesh@ti.com Cc: Albert Aribaud albert.u.boot@aribaud.net --- arch/arm/cpu/armv7/start.S | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 89ea01f..9ffdfe2 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -32,6 +32,7 @@ #include <asm-offsets.h> #include <config.h> #include <version.h> +#include <asm/system.h>
.globl _start _start: b reset @@ -143,6 +144,15 @@ reset: orr r0, r0, #0xd3 msr cpsr,r0
+ /* Set V=0 in CP15 SCTRL register - for VBAR to point to vector */ + mrc p15, 0, r0, c1, c0, 0 @ Read CP15 SCTRL Register + bic r0, #CR_V @ V = 0 + mcr p15, 0, r0, c1, c0, 0 @ Write CP15 SCTRL Register + + /* Set vector address in CP15 VBAR register */ + ldr r0, =_start + mcr p15, 0, r0, c12, c0, 0 @Set VBAR + #if defined(CONFIG_OMAP34XX) /* Copy vectors to mask ROM indirect addr */ adr r0, _start @ r0 <- current position of code