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authorKyösti Mälkki <kyosti.malkki@gmail.com>2019-08-16 20:34:25 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-08-22 02:50:35 +0000
commita963acdcc70747911981afcd1474d39d75ca8804 (patch)
tree57f67998627e588d8523497172512dba7b0032fb
parent9ede2ffee845d243d8e1515effbc206152fbc7fd (diff)
downloadcoreboot-a963acdcc70747911981afcd1474d39d75ca8804.tar.xz
arch/x86: Add <arch/romstage.h>
Start with moving all postcar_frame related function declarations here from <arch/cpu.h>. Change-Id: I9aeef07f9009e44cc08927c85fe1862edf5c70dc Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34911 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/arch/x86/include/arch/cpu.h63
-rw-r--r--src/arch/x86/include/arch/romstage.h81
-rw-r--r--src/arch/x86/postcar.c2
-rw-r--r--src/arch/x86/postcar_loader.c2
-rw-r--r--src/cpu/intel/car/romstage.c2
-rw-r--r--src/drivers/amd/agesa/mtrr_fixme.c2
-rw-r--r--src/drivers/amd/agesa/romstage.c1
-rw-r--r--src/drivers/intel/fsp1_1/car.c1
-rw-r--r--src/drivers/intel/fsp2_0/temp_ram_exit.c2
-rw-r--r--src/include/cpu/intel/romstage.h2
-rw-r--r--src/mainboard/emulation/qemu-i440fx/romstage.c2
-rw-r--r--src/mainboard/emulation/qemu-q35/romstage.c2
-rw-r--r--src/northbridge/amd/agesa/agesa_helper.h2
-rw-r--r--src/northbridge/intel/e7505/memmap.c2
-rw-r--r--src/northbridge/intel/gm45/memmap.c2
-rw-r--r--src/northbridge/intel/haswell/memmap.c2
-rw-r--r--src/northbridge/intel/i440bx/memmap.c2
-rw-r--r--src/northbridge/intel/i945/memmap.c2
-rw-r--r--src/northbridge/intel/nehalem/memmap.c2
-rw-r--r--src/northbridge/intel/pineview/memmap.c2
-rw-r--r--src/northbridge/intel/sandybridge/memmap.c2
-rw-r--r--src/northbridge/intel/x4x/memmap.c2
-rw-r--r--src/soc/amd/picasso/romstage.c1
-rw-r--r--src/soc/amd/stoneyridge/romstage.c1
-rw-r--r--src/soc/intel/apollolake/romstage.c1
-rw-r--r--src/soc/intel/baytrail/romstage/romstage.c1
-rw-r--r--src/soc/intel/broadwell/romstage/romstage.c2
-rw-r--r--src/soc/intel/cannonlake/romstage/romstage.c1
-rw-r--r--src/soc/intel/denverton_ns/romstage.c1
-rw-r--r--src/soc/intel/icelake/romstage/romstage.c1
-rw-r--r--src/soc/intel/quark/romstage/fsp2_0.c1
-rw-r--r--src/soc/intel/skylake/romstage/romstage_fsp20.c1
32 files changed, 113 insertions, 80 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h
index 9aa446ec0a..263b734529 100644
--- a/src/arch/x86/include/arch/cpu.h
+++ b/src/arch/x86/include/arch/cpu.h
@@ -279,11 +279,10 @@ static inline void get_fms(struct cpuinfo_x86 *c, uint32_t tfms)
c->x86_model += ((tfms >> 16) & 0xF) << 4;
}
-#endif
+/* romcc does not understand regparm. */
#define asmlinkage __attribute__((regparm(0)))
-#ifndef __ROMCC__
/*
* When using CONFIG_C_ENVIRONMENT_BOOTBLOCK the car_stage_entry()
* is the symbol jumped to for each stage after bootblock using
@@ -291,66 +290,6 @@ static inline void get_fms(struct cpuinfo_x86 *c, uint32_t tfms)
*/
asmlinkage void car_stage_entry(void);
-/*
- * Support setting up a stack frame consisting of MTRR information
- * for use in bootstrapping the caching attributes after cache-as-ram
- * is torn down.
- */
-
-struct postcar_frame {
- uintptr_t stack;
- uint32_t upper_mask;
- int max_var_mtrrs;
- int num_var_mtrrs;
- int skip_common_mtrr;
-};
-
-/*
- * Initialize postcar_frame object allocating stack from cbmem,
- * with stack_size == 0, default 4 KiB is allocated.
- * Returns 0 on success, < 0 on error.
- */
-int postcar_frame_init(struct postcar_frame *pcf, size_t stack_size);
-
-/*
- * Add variable MTRR covering the provided range with MTRR type.
- */
-void postcar_frame_add_mtrr(struct postcar_frame *pcf,
- uintptr_t addr, size_t size, int type);
-
-/*
- * Add variable MTRR covering the memory-mapped ROM with given MTRR type.
- */
-void postcar_frame_add_romcache(struct postcar_frame *pcf, int type);
-
-/*
- * Add a common MTRR setup most platforms will have as a subset.
- */
-void postcar_frame_common_mtrrs(struct postcar_frame *pcf);
-
-/*
- * 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
- * the time of the call it is up to the platform code to handle
- * coherency with dirty lines in the cache using some mechansim
- * such as platform_prog_run() because run_postcar_phase()
- * utilizes prog_run() internally.
- */
-void run_postcar_phase(struct postcar_frame *pcf);
-
-/*
- * Systems without a native coreboot cache-as-ram teardown may implement
- * this to use an alternate method.
- */
-void late_car_teardown(void);
-
#endif
/*
diff --git a/src/arch/x86/include/arch/romstage.h b/src/arch/x86/include/arch/romstage.h
new file mode 100644
index 0000000000..42c9fbb6cd
--- /dev/null
+++ b/src/arch/x86/include/arch/romstage.h
@@ -0,0 +1,81 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ARCH_ROMSTAGE_H__
+#define __ARCH_ROMSTAGE_H__
+
+#include <arch/cpu.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/*
+ * Support setting up a stack frame consisting of MTRR information
+ * for use in bootstrapping the caching attributes after cache-as-ram
+ * is torn down.
+ */
+
+struct postcar_frame {
+ uintptr_t stack;
+ uint32_t upper_mask;
+ int max_var_mtrrs;
+ int num_var_mtrrs;
+ int skip_common_mtrr;
+};
+
+/*
+ * Initialize postcar_frame object allocating stack from cbmem,
+ * with stack_size == 0, default 4 KiB is allocated.
+ * Returns 0 on success, < 0 on error.
+ */
+int postcar_frame_init(struct postcar_frame *pcf, size_t stack_size);
+
+/*
+ * Add variable MTRR covering the provided range with MTRR type.
+ */
+void postcar_frame_add_mtrr(struct postcar_frame *pcf,
+ uintptr_t addr, size_t size, int type);
+
+/*
+ * Add variable MTRR covering the memory-mapped ROM with given MTRR type.
+ */
+void postcar_frame_add_romcache(struct postcar_frame *pcf, int type);
+
+/*
+ * Add a common MTRR setup most platforms will have as a subset.
+ */
+void postcar_frame_common_mtrrs(struct postcar_frame *pcf);
+
+/*
+ * 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
+ * the time of the call it is up to the platform code to handle
+ * coherency with dirty lines in the cache using some mechansim
+ * such as platform_prog_run() because run_postcar_phase()
+ * utilizes prog_run() internally.
+ */
+void run_postcar_phase(struct postcar_frame *pcf);
+
+/*
+ * Systems without a native coreboot cache-as-ram teardown may implement
+ * this to use an alternate method.
+ */
+void late_car_teardown(void);
+
+#endif /* __ARCH_ROMSTAGE_H__ */
diff --git a/src/arch/x86/postcar.c b/src/arch/x86/postcar.c
index b4efc949b4..e082596656 100644
--- a/src/arch/x86/postcar.c
+++ b/src/arch/x86/postcar.c
@@ -13,7 +13,7 @@
* GNU General Public License for more details.
*/
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/x86/mtrr.h>
diff --git a/src/arch/x86/postcar_loader.c b/src/arch/x86/postcar_loader.c
index b1b2da0540..816f41e412 100644
--- a/src/arch/x86/postcar_loader.c
+++ b/src/arch/x86/postcar_loader.c
@@ -13,7 +13,7 @@
* GNU General Public License for more details.
*/
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/cpu.h>
diff --git a/src/cpu/intel/car/romstage.c b/src/cpu/intel/car/romstage.c
index e24225e71e..a0dc743806 100644
--- a/src/cpu/intel/car/romstage.c
+++ b/src/cpu/intel/car/romstage.c
@@ -11,6 +11,8 @@
* GNU General Public License for more details.
*/
+#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <bootblock_common.h>
#include <console/console.h>
#include <cpu/intel/romstage.h>
diff --git a/src/drivers/amd/agesa/mtrr_fixme.c b/src/drivers/amd/agesa/mtrr_fixme.c
index fcb353c601..bbb9eb0440 100644
--- a/src/drivers/amd/agesa/mtrr_fixme.c
+++ b/src/drivers/amd/agesa/mtrr_fixme.c
@@ -11,7 +11,7 @@
* GNU General Public License for more details.
*/
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include <console/console.h>
#include <commonlib/helpers.h>
diff --git a/src/drivers/amd/agesa/romstage.c b/src/drivers/amd/agesa/romstage.c
index adf6e0d0e3..fad49c305c 100644
--- a/src/drivers/amd/agesa/romstage.c
+++ b/src/drivers/amd/agesa/romstage.c
@@ -15,6 +15,7 @@
#include <arch/acpi.h>
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include <cpu/amd/car.h>
#include <cpu/x86/bist.h>
diff --git a/src/drivers/intel/fsp1_1/car.c b/src/drivers/intel/fsp1_1/car.c
index 67fbe69915..fafe8384b4 100644
--- a/src/drivers/intel/fsp1_1/car.c
+++ b/src/drivers/intel/fsp1_1/car.c
@@ -13,6 +13,7 @@
* GNU General Public License for more details.
*/
+#include <arch/romstage.h>
#include <arch/symbols.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/drivers/intel/fsp2_0/temp_ram_exit.c b/src/drivers/intel/fsp2_0/temp_ram_exit.c
index 075e923f84..342fc357fa 100644
--- a/src/drivers/intel/fsp2_0/temp_ram_exit.c
+++ b/src/drivers/intel/fsp2_0/temp_ram_exit.c
@@ -9,7 +9,7 @@
* (at your option) any later version.
*/
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <console/console.h>
#include <fsp/api.h>
#include <fsp/util.h>
diff --git a/src/include/cpu/intel/romstage.h b/src/include/cpu/intel/romstage.h
index ff0a167a0d..fd5d7f4e85 100644
--- a/src/include/cpu/intel/romstage.h
+++ b/src/include/cpu/intel/romstage.h
@@ -1,7 +1,7 @@
#ifndef _CPU_INTEL_ROMSTAGE_H
#define _CPU_INTEL_ROMSTAGE_H
-#include <arch/cpu.h>
+#include <arch/romstage.h>
void mainboard_romstage_entry(void);
diff --git a/src/mainboard/emulation/qemu-i440fx/romstage.c b/src/mainboard/emulation/qemu-i440fx/romstage.c
index 6b1883ccbd..32eab3de3a 100644
--- a/src/mainboard/emulation/qemu-i440fx/romstage.c
+++ b/src/mainboard/emulation/qemu-i440fx/romstage.c
@@ -15,10 +15,10 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <stdint.h>
#include <cbmem.h>
#include <console/console.h>
-#include <cpu/intel/romstage.h>
#include <timestamp.h>
#include <program_loading.h>
diff --git a/src/mainboard/emulation/qemu-q35/romstage.c b/src/mainboard/emulation/qemu-q35/romstage.c
index dbaead982a..6cd9ee4123 100644
--- a/src/mainboard/emulation/qemu-q35/romstage.c
+++ b/src/mainboard/emulation/qemu-q35/romstage.c
@@ -15,10 +15,10 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <stdint.h>
#include <cbmem.h>
#include <console/console.h>
-#include <cpu/intel/romstage.h>
#include <timestamp.h>
#include <southbridge/intel/i82801ix/i82801ix.h>
#include <program_loading.h>
diff --git a/src/northbridge/amd/agesa/agesa_helper.h b/src/northbridge/amd/agesa/agesa_helper.h
index 17819e9567..dcc336083f 100644
--- a/src/northbridge/amd/agesa/agesa_helper.h
+++ b/src/northbridge/amd/agesa/agesa_helper.h
@@ -17,7 +17,7 @@
#define _AGESA_HELPER_H_
#include <stddef.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
enum {
PICK_DMI, /* DMI Interface */
diff --git a/src/northbridge/intel/e7505/memmap.c b/src/northbridge/intel/e7505/memmap.c
index 7033f89a04..9a63cffeae 100644
--- a/src/northbridge/intel/e7505/memmap.c
+++ b/src/northbridge/intel/e7505/memmap.c
@@ -15,7 +15,7 @@
#define __SIMPLE_DEVICE__
#include <device/pci_ops.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/intel/romstage.h>
diff --git a/src/northbridge/intel/gm45/memmap.c b/src/northbridge/intel/gm45/memmap.c
index ceb6476f5f..4814e356b5 100644
--- a/src/northbridge/intel/gm45/memmap.c
+++ b/src/northbridge/intel/gm45/memmap.c
@@ -18,7 +18,7 @@
#define __SIMPLE_DEVICE__
#include <stdint.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <console/console.h>
diff --git a/src/northbridge/intel/haswell/memmap.c b/src/northbridge/intel/haswell/memmap.c
index f43bd2f3bc..b1d86db51a 100644
--- a/src/northbridge/intel/haswell/memmap.c
+++ b/src/northbridge/intel/haswell/memmap.c
@@ -16,7 +16,7 @@
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <console/console.h>
#include <cpu/x86/mtrr.h>
#include <device/pci_ops.h>
diff --git a/src/northbridge/intel/i440bx/memmap.c b/src/northbridge/intel/i440bx/memmap.c
index e4e5de7fc3..6a1730eea6 100644
--- a/src/northbridge/intel/i440bx/memmap.c
+++ b/src/northbridge/intel/i440bx/memmap.c
@@ -15,7 +15,7 @@
#define __SIMPLE_DEVICE__
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/northbridge/intel/i945/memmap.c b/src/northbridge/intel/i945/memmap.c
index f2518f45c9..b0764f67ed 100644
--- a/src/northbridge/intel/i945/memmap.c
+++ b/src/northbridge/intel/i945/memmap.c
@@ -17,7 +17,7 @@
#define __SIMPLE_DEVICE__
#include <device/pci_ops.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cbmem.h>
#include "i945.h"
#include <console/console.h>
diff --git a/src/northbridge/intel/nehalem/memmap.c b/src/northbridge/intel/nehalem/memmap.c
index d592aea0b3..8787df6898 100644
--- a/src/northbridge/intel/nehalem/memmap.c
+++ b/src/northbridge/intel/nehalem/memmap.c
@@ -16,7 +16,7 @@
#define __SIMPLE_DEVICE__
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/northbridge/intel/pineview/memmap.c b/src/northbridge/intel/pineview/memmap.c
index 8be63ef80e..eaf27f699f 100644
--- a/src/northbridge/intel/pineview/memmap.c
+++ b/src/northbridge/intel/pineview/memmap.c
@@ -16,7 +16,7 @@
#define __SIMPLE_DEVICE__
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <device/device.h>
#include <device/pci_def.h>
diff --git a/src/northbridge/intel/sandybridge/memmap.c b/src/northbridge/intel/sandybridge/memmap.c
index 9e2e3333fe..44bbbd201b 100644
--- a/src/northbridge/intel/sandybridge/memmap.c
+++ b/src/northbridge/intel/sandybridge/memmap.c
@@ -15,7 +15,7 @@
#define __SIMPLE_DEVICE__
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/northbridge/intel/x4x/memmap.c b/src/northbridge/intel/x4x/memmap.c
index 9480fc05b0..b8a3b94a78 100644
--- a/src/northbridge/intel/x4x/memmap.c
+++ b/src/northbridge/intel/x4x/memmap.c
@@ -20,7 +20,7 @@
#include <cbmem.h>
#include <commonlib/helpers.h>
#include <stdint.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <console/console.h>
diff --git a/src/soc/amd/picasso/romstage.c b/src/soc/amd/picasso/romstage.c
index 7970b0edda..4f18b42276 100644
--- a/src/soc/amd/picasso/romstage.c
+++ b/src/soc/amd/picasso/romstage.c
@@ -16,6 +16,7 @@
#include <device/pci_ops.h>
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <arch/acpi.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c
index c76f7cd80c..0d65ef6c82 100644
--- a/src/soc/amd/stoneyridge/romstage.c
+++ b/src/soc/amd/stoneyridge/romstage.c
@@ -16,6 +16,7 @@
#include <device/pci_ops.h>
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <arch/acpi.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
diff --git a/src/soc/intel/apollolake/romstage.c b/src/soc/intel/apollolake/romstage.c
index fb8473c512..1464d2c6b3 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -17,6 +17,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <arch/symbols.h>
#include <assert.h>
diff --git a/src/soc/intel/baytrail/romstage/romstage.c b/src/soc/intel/baytrail/romstage/romstage.c
index 63e36aaa36..f20c363a35 100644
--- a/src/soc/intel/baytrail/romstage/romstage.c
+++ b/src/soc/intel/baytrail/romstage/romstage.c
@@ -16,6 +16,7 @@
#include <stddef.h>
#include <arch/cpu.h>
#include <arch/io.h>
+#include <arch/romstage.h>
#include <device/mmio.h>
#include <device/pci_ops.h>
#include <bootblock_common.h>
diff --git a/src/soc/intel/broadwell/romstage/romstage.c b/src/soc/intel/broadwell/romstage/romstage.c
index e7b8ae0180..3f264ff5ec 100644
--- a/src/soc/intel/broadwell/romstage/romstage.c
+++ b/src/soc/intel/broadwell/romstage/romstage.c
@@ -16,7 +16,7 @@
#include <stddef.h>
#include <stdint.h>
#include <arch/cbfs.h>
-#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <bootblock_common.h>
#include <bootmode.h>
#include <cbmem.h>
diff --git a/src/soc/intel/cannonlake/romstage/romstage.c b/src/soc/intel/cannonlake/romstage/romstage.c
index 94b9899422..9f02c8b1d3 100644
--- a/src/soc/intel/cannonlake/romstage/romstage.c
+++ b/src/soc/intel/cannonlake/romstage/romstage.c
@@ -14,6 +14,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cpu/x86/mtrr.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/soc/intel/denverton_ns/romstage.c b/src/soc/intel/denverton_ns/romstage.c
index 53c51f488c..9c41486aa2 100644
--- a/src/soc/intel/denverton_ns/romstage.c
+++ b/src/soc/intel/denverton_ns/romstage.c
@@ -15,6 +15,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <arch/io.h>
#include <cbmem.h>
#include <cf9_reset.h>
diff --git a/src/soc/intel/icelake/romstage/romstage.c b/src/soc/intel/icelake/romstage/romstage.c
index 65e65cc80e..8312f178e4 100644
--- a/src/soc/intel/icelake/romstage/romstage.c
+++ b/src/soc/intel/icelake/romstage/romstage.c
@@ -14,6 +14,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <cpu/x86/mtrr.h>
#include <cbmem.h>
#include <console/console.h>
diff --git a/src/soc/intel/quark/romstage/fsp2_0.c b/src/soc/intel/quark/romstage/fsp2_0.c
index 20f2ad776b..0489621045 100644
--- a/src/soc/intel/quark/romstage/fsp2_0.c
+++ b/src/soc/intel/quark/romstage/fsp2_0.c
@@ -14,6 +14,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <arch/symbols.h>
#include <console/console.h>
#include <cbmem.h>
diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c
index 221c6c41d5..8b5cd18195 100644
--- a/src/soc/intel/skylake/romstage/romstage_fsp20.c
+++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c
@@ -14,6 +14,7 @@
*/
#include <arch/cpu.h>
+#include <arch/romstage.h>
#include <arch/symbols.h>
#include <assert.h>
#include <cpu/x86/mtrr.h>