diff options
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/start.S | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S index 52f2623373..57ae1d3820 100644 --- a/arch/powerpc/cpu/ppc4xx/start.S +++ b/arch/powerpc/cpu/ppc4xx/start.S @@ -232,7 +232,7 @@ * * Use r12 to access the GOT */ -#if !defined(CONFIG_NAND_SPL) +#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) START_GOT GOT_ENTRY(_GOT2_TABLE_) GOT_ENTRY(_FIXUP_TABLE_) @@ -248,7 +248,8 @@ END_GOT #endif /* CONFIG_NAND_SPL */ -#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) +#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) && \ + !defined(CONFIG_SPL_BUILD) /* * NAND U-Boot image is started from offset 0 */ @@ -270,6 +271,18 @@ bl _start_440 #endif +#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD) + /* + * This is the entry of the real U-Boot from a board port + * that supports SPL booting on the PPC4xx. We only need + * to call board_init_f() here. Everything else has already + * been done in the SPL u-boot version. + */ + GET_GOT /* initialize GOT access */ + bl board_init_f /* run 1st part of board init code (in Flash)*/ + /* NOTREACHED - board_init_f() does not return */ +#endif + /* * 440 Startup -- on reset only the top 4k of the effective * address space is mapped in by an entry in the instruction @@ -539,7 +552,7 @@ tlbnx2: addi r4,r4,1 /* Next TLB */ * r3 - 1st arg to board_init(): IMMP pointer * r4 - 2nd arg to board_init(): boot flag */ -#ifndef CONFIG_NAND_SPL +#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) .text .long 0x27051956 /* U-Boot Magic Number */ .globl version_string @@ -612,6 +625,18 @@ _end_of_vectors: .globl _start _start: +#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD) + /* + * This is the entry of the real U-Boot from a board port + * that supports SPL booting on the PPC4xx. We only need + * to call board_init_f() here. Everything else has already + * been done in the SPL u-boot version. + */ + GET_GOT /* initialize GOT access */ + bl board_init_f /* run 1st part of board init code (in Flash)*/ + /* NOTREACHED - board_init_f() does not return */ +#endif + /*****************************************************************************/ #if defined(CONFIG_440) @@ -796,7 +821,9 @@ _start: #ifdef CONFIG_NAND_SPL bl nand_boot_common /* will not return */ #else +#ifndef CONFIG_SPL_BUILD GET_GOT +#endif bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl board_init_f @@ -1080,7 +1107,7 @@ _start: /*----------------------------------------------------------------------- */ -#ifndef CONFIG_NAND_SPL +#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) /* * This code finishes saving the registers to the exception frame * and jumps to the appropriate handler for the exception. @@ -1262,6 +1289,7 @@ in32r: lwbrx r3,r0,r3 blr +#if !defined(CONFIG_SPL_BUILD) /* * void relocate_code (addr_sp, gd, addr_moni) * @@ -1626,6 +1654,7 @@ __440_msr_continue: mtlr r4 /* restore link register */ blr +#endif /* CONFIG_SPL_BUILD */ #if defined(CONFIG_440) /*----------------------------------------------------------------------------+ |