diff options
Diffstat (limited to 'cpu/arm1136/start.S')
| -rw-r--r-- | cpu/arm1136/start.S | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S index 999b184..957f438 100644 --- a/cpu/arm1136/start.S +++ b/cpu/arm1136/start.S @@ -32,7 +32,7 @@ #include <version.h> .globl _start _start: b reset -#ifdef CONFIG_ONENAND_IPL +#ifdef CONFIG_PRELOADER ldr pc, _hang ldr pc, _hang ldr pc, _hang @@ -67,7 +67,7 @@ _not_used: .word not_used _irq: .word irq _fiq: .word fiq _pad: .word 0x12345678 /* now 16*4=64 */ -#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_PRELOADER */ .global _end_vect _end_vect: @@ -156,9 +156,9 @@ relocate: /* relocate U-Boot to RAM */ adr r0, _start /* r0 <- current position of code */ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ cmp r0, r1 /* don't reloc during debug */ -#ifndef CONFIG_ONENAND_IPL +#ifndef CONFIG_PRELOADER beq stack_setup -#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_PRELOADER */ ldr r2, _armboot_start ldr r3, _bss_start @@ -175,7 +175,7 @@ copy_loop: /* Set up the stack */ stack_setup: ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ -#ifdef CONFIG_ONENAND_IPL +#ifdef CONFIG_PRELOADER sub sp, r0, #128 /* leave 32 words for abort-stack */ #else sub r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area */ @@ -184,14 +184,14 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ -#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_PRELOADER */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ ldr r1, _bss_end /* stop here */ mov r2, #0x00000000 /* clear */ -#ifndef CONFIG_ONENAND_IPL +#ifndef CONFIG_PRELOADER clbss_l:str r2, [r0] /* clear loop... */ add r0, r0, #4 cmp r0, r1 @@ -200,12 +200,15 @@ clbss_l:str r2, [r0] /* clear loop... */ ldr pc, _start_armboot +#ifdef CONFIG_NAND_SPL +_start_armboot: .word nand_boot +#else #ifdef CONFIG_ONENAND_IPL _start_armboot: .word start_oneboot #else _start_armboot: .word start_armboot -#endif - +#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_NAND_SPL */ /* ************************************************************************* @@ -217,6 +220,7 @@ _start_armboot: .word start_armboot * ************************************************************************* */ +#ifndef CONFIG_SKIP_LOWLEVEL_INIT cpu_init_crit: /* * flush v4 I/D caches @@ -243,8 +247,9 @@ cpu_init_crit: bl lowlevel_init /* go setup pll,mux,memory */ mov lr, ip /* restore link */ mov pc, lr /* back to my caller */ +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ -#ifndef CONFIG_ONENAND_IPL +#ifndef CONFIG_PRELOADER /* ************************************************************************* * @@ -357,17 +362,17 @@ cpu_init_crit: .macro get_fiq_stack @ setup FIQ stack ldr sp, FIQ_STACK_START .endm -#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_PRELOADER */ /* * exception handlers */ -#ifdef CONFIG_ONENAND_IPL +#ifdef CONFIG_PRELOADER .align 5 do_hang: ldr sp, _TEXT_BASE /* use 32 words about stack */ bl hang /* hang and never return */ -#else /* !CONFIG_ONENAND IPL */ +#else /* !CONFIG_PRELOADER */ .align 5 undefined_instruction: get_bad_stack @@ -435,4 +440,4 @@ fiq: arm1136_cache_flush: mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache mov pc, lr @ back to caller -#endif /* CONFIG_ONENAND_IPL */ +#endif /* CONFIG_PRELOADER */ |