diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 33 | 
1 files changed, 20 insertions, 13 deletions
| diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 577d6874b..bb0dc1a65 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -44,6 +44,15 @@  #undef	MSR_KERNEL  #define MSR_KERNEL ( MSR_ME )	/* Machine Check */ +#if defined(CONFIG_NAND_SPL) || \ +	(defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_INIT_MINIMAL)) +#define MINIMAL_SPL +#endif + +#if !defined(CONFIG_SPL) && !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SECURE_BOOT) +#define NOR_BOOT +#endif +  /*   * Set up GOT: Global Offset Table   * @@ -53,7 +62,7 @@  	GOT_ENTRY(_GOT2_TABLE_)  	GOT_ENTRY(_FIXUP_TABLE_) -#ifndef CONFIG_NAND_SPL +#ifndef MINIMAL_SPL  	GOT_ENTRY(_start)  	GOT_ENTRY(_start_of_vectors)  	GOT_ENTRY(_end_of_vectors) @@ -282,11 +291,8 @@ l2_disabled:  	isync  	.endm -/* - * Ne need to setup interrupt vector for NAND SPL - * because NAND SPL never compiles it. - */ -#if !defined(CONFIG_NAND_SPL) +/* Interrupt vectors do not fit in minimal SPL. */ +#if !defined(MINIMAL_SPL)  	/* Setup interrupt vectors */  	lis	r1,CONFIG_SYS_MONITOR_BASE@h  	mtspr	IVPR,r1 @@ -518,7 +524,7 @@ nexti:	mflr	r1		/* R1 = our PC */   * in AS1.   */ -#if !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SECURE_BOOT) +#ifdef NOR_BOOT  /*   * TLB entry is created for IVPR + IVOR15 to map on valid OP code address   * bacause flash's virtual address maps to 0xff800000 - 0xffffffff. @@ -1032,7 +1038,7 @@ create_init_ram_area:  	lis     r6,FSL_BOOKE_MAS0(1, 15, 0)@h  	ori     r6,r6,FSL_BOOKE_MAS0(1, 15, 0)@l -#if !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SECURE_BOOT) +#ifdef NOR_BOOT  	/* create a temp mapping in AS=1 to the 4M boot window */  	create_tlb1_entry 15, \  		1, BOOKE_PAGESZ_4M, \ @@ -1107,7 +1113,8 @@ switch_as:  	bdnz	1b  	/* Jump out the last 4K page and continue to 'normal' start */ -#ifdef CONFIG_SYS_RAMBOOT +#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL) +	/* We assume that we're already running at the address we're linked at */  	b	_start_cont  #else  	/* Calculate absolute address in FLASH and jump there		*/ @@ -1153,7 +1160,7 @@ _start_cont:  	/* NOTREACHED - board_init_f() does not return */ -#ifndef CONFIG_NAND_SPL +#ifndef MINIMAL_SPL  	. = EXC_OFF_SYS_RESET  	.globl	_start_of_vectors  _start_of_vectors: @@ -1597,7 +1604,7 @@ in32:  in32r:  	lwbrx	r3,r0,r3  	blr -#endif  /* !CONFIG_NAND_SPL */ +#endif  /* !MINIMAL_SPL */  /*------------------------------------------------------------------------------*/ @@ -1794,7 +1801,7 @@ clear_bss:  	mr	r4,r10		/* Destination Address		*/  	bl	board_init_r -#ifndef CONFIG_NAND_SPL +#ifndef MINIMAL_SPL  	/*  	 * Copy exception vector code to low memory  	 * @@ -1967,4 +1974,4 @@ setup_ivors:  #include "fixed_ivor.S"  	blr -#endif /* !CONFIG_NAND_SPL */ +#endif /* !MINIMAL_SPL */ |