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-rw-r--r--arch/x86/cpu/intel_common/cpu_from_spl.c6
-rw-r--r--arch/x86/include/asm/handoff.h8
-rw-r--r--arch/x86/lib/fsp/fsp_dram.c10
3 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/cpu/intel_common/cpu_from_spl.c b/arch/x86/cpu/intel_common/cpu_from_spl.c
index a6233c75ce2..b7bb524162f 100644
--- a/arch/x86/cpu/intel_common/cpu_from_spl.c
+++ b/arch/x86/cpu/intel_common/cpu_from_spl.c
@@ -6,6 +6,7 @@
#include <common.h>
#include <dm.h>
#include <errno.h>
+#include <handoff.h>
#include <asm/cpu_common.h>
#include <asm/intel_regs.h>
#include <asm/lapic.h>
@@ -21,6 +22,11 @@ int arch_cpu_init(void)
{
int ret;
+#if CONFIG_IS_ENABLED(HANDOFF) && IS_ENABLED(CONFIG_USE_HOB)
+ struct spl_handoff *ho = gd->spl_handoff;
+
+ gd->arch.hob_list = ho->arch.hob_list;
+#endif
ret = x86_cpu_reinit_f();
return ret;
diff --git a/arch/x86/include/asm/handoff.h b/arch/x86/include/asm/handoff.h
index 4d18d59efed..aec49b9b815 100644
--- a/arch/x86/include/asm/handoff.h
+++ b/arch/x86/include/asm/handoff.h
@@ -9,7 +9,15 @@
#ifndef __x86_asm_handoff_h
#define __x86_asm_handoff_h
+/**
+ * struct arch_spl_handoff - architecture-specific handoff info
+ *
+ * @usable_ram_top: Value returned by board_get_usable_ram_top() in SPL
+ * @hob_list: Start of FSP hand-off blocks (HOBs)
+ */
struct arch_spl_handoff {
+ ulong usable_ram_top;
+ void *hob_list;
};
#endif
diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c
index 8fe1e0bf73d..2d1023068fe 100644
--- a/arch/x86/lib/fsp/fsp_dram.c
+++ b/arch/x86/lib/fsp/fsp_dram.c
@@ -88,3 +88,13 @@ unsigned int install_e820_map(unsigned int max_entries,
return num_entries;
}
+
+#if CONFIG_IS_ENABLED(HANDOFF) && IS_ENABLED(CONFIG_USE_HOB)
+int handoff_arch_save(struct spl_handoff *ho)
+{
+ ho->arch.usable_ram_top = fsp_get_usable_lowmem_top(gd->arch.hob_list);
+ ho->arch.hob_list = gd->arch.hob_list;
+
+ return 0;
+}
+#endif