drivers/intel/fsp1_0: Deduplicate code

Move ChipsetFspReturnPoint() to drivers/intel/fsp1_0.

Allows to have a common entry after FSP-M.

Change-Id: I064ae67041c521ee92877cff30c814fce7b08e1f
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31713
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: David Guckian
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>

src/drivers/intel/fsp1_0/fsp_util.c

@@ -23,6 +23,7 @@
 #include <ip_checksum.h>
 #include <timestamp.h>
 #include <cpu/intel/microcode.h>
+#include <cf9_reset.h>
 
 #ifndef __PRE_RAM__
 /* Globals pointers for FSP structures */
@@ -63,6 +64,17 @@ void FspNotify (u32 Phase)
 
 #ifdef __PRE_RAM__
 
+/* The FSP returns here after the fsp_early_init call */
+static void ChipsetFspReturnPoint(EFI_STATUS Status, VOID *HobListPtr)
+{
+	*(void **)CBMEM_FSP_HOB_PTR = HobListPtr;
+
+	if (Status == 0xFFFFFFFF)
+		system_reset();
+
+	romstage_main_continue(Status, HobListPtr);
+}
+
 /*
  * Call the FSP to do memory init. The FSP doesn't return to this function.
  * The FSP returns to the romstage_main_continue().

src/drivers/intel/fsp1_0/fsp_util.h

@@ -32,10 +32,12 @@ void romstage_fsp_rt_buffer_callback(FSP_INIT_RT_BUFFER *FspRtBuffer);
 void print_fsp_info(void);
 void chipset_fsp_early_init(FSP_INIT_PARAMS *FspInitParams,
 	FSP_INFO_HEADER *fsp_ptr);
-void ChipsetFspReturnPoint(EFI_STATUS Status, VOID *HobListPtr);
 void *find_saved_temp_mem(void *hob_list_ptr);
 void *find_fsp_reserved_mem(void *hob_list_ptr);
 
+/* function in romstage.c */
+void romstage_main_continue(EFI_STATUS status, void *hob_list_ptr);
+
 /* functions in hob.c */
 void print_hob_mem_attributes(void *Hobptr);
 void print_hob_type_structure(u16 Hobtype, void *Hoblistptr);