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Diffstat (limited to 'arch/powerpc/cpu/mpc5xxx/start.S')
-rw-r--r--arch/powerpc/cpu/mpc5xxx/start.S22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc5xxx/start.S b/arch/powerpc/cpu/mpc5xxx/start.S
index 51cc4e2a10..ad5bc0a179 100644
--- a/arch/powerpc/cpu/mpc5xxx/start.S
+++ b/arch/powerpc/cpu/mpc5xxx/start.S
@@ -50,6 +50,7 @@
#define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI)
#endif
+#ifndef CONFIG_SPL_BUILD
/*
* Set up GOT: Global Offset Table
*
@@ -68,6 +69,7 @@
GOT_ENTRY(__bss_end__)
GOT_ENTRY(__bss_start)
END_GOT
+#endif
/*
* Version string
@@ -84,6 +86,18 @@ version_string:
. = EXC_OFF_SYS_RESET
.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 MPC5200. 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 */
+#else
mfmsr r5 /* save msr contents */
/* Move CSBoot and adjust instruction pointer */
@@ -152,7 +166,9 @@ lowboot_reentry:
/* Be careful to keep code relocatable ! */
/*--------------------------------------------------------------*/
+#ifndef CONFIG_SPL_BUILD
GET_GOT /* initialize GOT access */
+#endif
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (in Flash)*/
@@ -160,7 +176,9 @@ lowboot_reentry:
bl board_init_f /* run 1st part of board init code (in Flash)*/
/* NOTREACHED - board_init_f() does not return */
+#endif
+#ifndef CONFIG_SPL_BUILD
/*
* Vector Table
*/
@@ -333,6 +351,7 @@ int_return:
lwz r1,GPR1(r1)
SYNC
rfi
+#endif /* CONFIG_SPL_BUILD */
/*
* This code initialises the MPC5xxx processor core
@@ -522,6 +541,7 @@ get_pvr:
mfspr r3, PVR
blr
+#ifndef CONFIG_SPL_BUILD
/*------------------------------------------------------------------------------*/
/*
@@ -759,3 +779,5 @@ trap_init:
mtlr r4 /* restore link register */
blr
+
+#endif /* CONFIG_SPL_BUILD */