Intel FSP: Move to DYNAMIC_CBMEM

Flag the boards with BROKEN_CAR_MIGRATE, as testing for EARLY_CBMEM_INIT
is not enough to disable CBMEM console for romstage on these platforms.

To have CBMEM early in ramstage, define get_top_of_ram() on sandy/ivy.

Change-Id: Ieefc12099a0e043eb1a7e14bdc7c6e3d209b3d8f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7468
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Martin Roth <gaumless@gmail.com>

src/soc/intel/broadwell/memmap.c

@@ -23,7 +23,7 @@
 #include <broadwell/pci_devs.h>
 #include <broadwell/systemagent.h>
 
-static unsigned long get_top_of_ram(void)
+unsigned long get_top_of_ram(void)
 {
 	/*
 	 * Base of DPR is top of usable DRAM below 4GiB. The register has
@@ -39,8 +39,3 @@ static unsigned long get_top_of_ram(void)
 
 	return (unsigned long)tom;
 }
-
-void *cbmem_top(void)
-{
-	return (void *)get_top_of_ram();
-}

src/soc/intel/fsp_baytrail/Kconfig

@@ -31,6 +31,7 @@ config CPU_SPECIFIC_OPTIONS
 	select ARCH_ROMSTAGE_X86_32
 	select ARCH_RAMSTAGE_X86_32
 	select DYNAMIC_CBMEM
+	select BROKEN_CAR_MIGRATE
 	select HAVE_SMI_HANDLER
 	select HAVE_HARD_RESET
 	select MMCONF_SUPPORT