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-rw-r--r--src/arch/x86/Makefile.inc2
-rw-r--r--src/arch/x86/include/arch/cpu.h6
-rw-r--r--src/arch/x86/postcar_loader.c18
3 files changed, 19 insertions, 7 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 9b16add329..38a2a8ccba 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -213,7 +213,7 @@ romstage-y += memcpy.c
romstage-y += memmove.c
romstage-y += memset.c
romstage-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c
-romstage-$(CONFIG_POSTCAR_STAGE) += postcar_loader.c
+romstage-y += postcar_loader.c
romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
ifneq ($(CONFIG_ROMCC),y)
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h
index 5c26bcf74d..faa237565c 100644
--- a/src/arch/x86/include/arch/cpu.h
+++ b/src/arch/x86/include/arch/cpu.h
@@ -274,6 +274,12 @@ void postcar_frame_add_mtrr(struct postcar_frame *pcf,
uintptr_t addr, size_t size, int type);
/*
+ * Push used MTRR and Max MTRRs on to the stack
+ * and return pointer to stack top.
+ */
+void *postcar_commit_mtrrs(struct postcar_frame *pcf);
+
+/*
* Load and run a program that takes control of execution that
* tears down CAR and loads ramstage. The postcar_frame object
* indicates how to set up the frame. If caching is enabled at
diff --git a/src/arch/x86/postcar_loader.c b/src/arch/x86/postcar_loader.c
index cc1d460585..b5d8db0e1b 100644
--- a/src/arch/x86/postcar_loader.c
+++ b/src/arch/x86/postcar_loader.c
@@ -84,6 +84,17 @@ void postcar_frame_add_mtrr(struct postcar_frame *pcf,
pcf->num_var_mttrs++;
}
+void *postcar_commit_mtrrs(struct postcar_frame *pcf)
+{
+ /*
+ * Place the number of used variable MTRRs on stack then max number
+ * of variable MTRRs supported in the system.
+ */
+ stack_push(pcf, pcf->num_var_mttrs);
+ stack_push(pcf, pcf->max_var_mttrs);
+ return (void *) pcf->stack;
+}
+
void run_postcar_phase(struct postcar_frame *pcf)
{
struct prog prog =
@@ -93,12 +104,7 @@ void run_postcar_phase(struct postcar_frame *pcf)
.prog = &prog,
};
- /*
- * Place the number of used variable MTRRs on stack then max number
- * of variable MTRRs supported in the system.
- */
- stack_push(pcf, pcf->num_var_mttrs);
- stack_push(pcf, pcf->max_var_mttrs);
+ postcar_commit_mtrrs(pcf);
if (prog_locate(&prog))
die("Failed to locate after CAR program.\n");