From c7da6c6757aa17bb6130833b0e1e7e2a068ea2f6 Mon Sep 17 00:00:00 2001 From: Allen Martin Date: Fri, 31 Aug 2012 08:30:07 +0000 Subject: [PATCH] ARM: Fix arm720t SPL build Take a few SPL fixes from armv7 and apply them to arm720t: -Use dummy exception handlers for SPL build -Initialize relocation register r9 to 0 for the case of no relocation -ifdef out interrupt handler code Signed-off-by: Allen Martin Acked-by: Stephen Warren Tested-by: Thierry Reding Signed-off-by: Tom Warren --- arch/arm/cpu/arm720t/start.S | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 3b97e804a6..dc047b83a5 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -51,6 +51,15 @@ _start: b reset ldr pc, _irq ldr pc, _fiq +#ifdef CONFIG_SPL_BUILD +_undefined_instruction: .word _undefined_instruction +_software_interrupt: .word _software_interrupt +_prefetch_abort: .word _prefetch_abort +_data_abort: .word _data_abort +_not_used: .word _not_used +_irq: .word _irq +_fiq: .word _fiq +#else _undefined_instruction: .word undefined_instruction _software_interrupt: .word software_interrupt _prefetch_abort: .word prefetch_abort @@ -58,6 +67,7 @@ _data_abort: .word data_abort _not_used: .word not_used _irq: .word irq _fiq: .word fiq +#endif /* CONFIG_SPL_BUILD */ .balignl 16,0xdeadbeef @@ -167,6 +177,7 @@ stack_setup: adr r0, _start cmp r0, r6 + moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ beq clear_bss /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs @@ -427,6 +438,7 @@ lock_loop: mov pc, lr +#ifndef CONFIG_SPL_BUILD /* ************************************************************************* * @@ -589,6 +601,7 @@ fiq: bl do_fiq #endif +#endif /* CONFIG_SPL_BUILD */ #if defined(CONFIG_NETARM) .align 5 -- 2.39.2