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-rw-r--r--arch/x86/cpu/start.S17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index b0d0ac0..125782c 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -1,5 +1,5 @@
/*
- * U-boot - x86 Startup Code
+ * U-Boot - x86 Startup Code
*
* (C) Copyright 2008-2011
* Graeme Russ, <graeme.russ@gmail.com>
@@ -17,6 +17,7 @@
#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <generated/generic-asm-offsets.h>
+#include <generated/asm-offsets.h>
.section .text
.code32
@@ -74,6 +75,7 @@ early_board_init_ret:
jmp car_init
.globl car_init_ret
car_init_ret:
+#ifndef CONFIG_HAVE_FSP
/*
* We now have CONFIG_SYS_CAR_SIZE bytes of Cache-As-RAM (or SRAM,
* or fully initialised SDRAM - we really don't care which)
@@ -94,6 +96,12 @@ car_init_ret:
#ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE
subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %esp
#endif
+#else
+ /*
+ * When we get here after car_init, esp points to a temporary stack
+ * and esi holds the HOB list address returned by the FSP.
+ */
+#endif
/* Reserve space on stack for global data */
subl $GENERATED_GBL_DATA_SIZE, %esp
@@ -108,6 +116,13 @@ car_init_ret:
movl %esp, %edi
rep stosb
+#ifdef CONFIG_HAVE_FSP
+ /* Store HOB list */
+ movl %esp, %edx
+ addl $GD_HOB_LIST, %edx
+ movl %esi, (%edx)
+#endif
+
/* Setup first parameter to setup_gdt, pointer to global_data */
movl %esp, %eax