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authorVladimir Serbinenko <phcoder@gmail.com>2014-09-05 03:37:44 +0200
committerVladimir Serbinenko <phcoder@gmail.com>2014-10-16 14:18:04 +0200
commitc845b43f0a404adaf96808a122c591c5552dc818 (patch)
tree4ee8868a9208a1504adb8453be70af0ccaf47156
parentdca2c468fc4eaba3a6123eb3ab97463db0254650 (diff)
downloadcoreboot-c845b43f0a404adaf96808a122c591c5552dc818.tar.xz
sandybridge: Move common northbridge finalize to northbridge code.
Change-Id: I6d4178e5aaffc1330b0953b0601bf6b448250a8e Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/6920 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
-rw-r--r--src/mainboard/google/butterfly/romstage.c24
-rw-r--r--src/mainboard/google/link/romstage.c24
-rw-r--r--src/mainboard/google/parrot/romstage.c24
-rw-r--r--src/mainboard/google/stout/romstage.c24
-rw-r--r--src/mainboard/intel/emeraldlake2/romstage.c24
-rw-r--r--src/mainboard/kontron/ktqm77/romstage.c24
-rw-r--r--src/mainboard/lenovo/t520/romstage.c24
-rw-r--r--src/mainboard/lenovo/t530/romstage.c22
-rw-r--r--src/mainboard/lenovo/x220/romstage.c22
-rw-r--r--src/mainboard/lenovo/x230/romstage.c22
-rw-r--r--src/mainboard/samsung/lumpy/romstage.c24
-rw-r--r--src/mainboard/samsung/stumpy/romstage.c24
-rw-r--r--src/northbridge/intel/sandybridge/early_init.c27
-rw-r--r--src/northbridge/intel/sandybridge/sandybridge.h1
14 files changed, 57 insertions, 253 deletions
diff --git a/src/mainboard/google/butterfly/romstage.c b/src/mainboard/google/butterfly/romstage.c
index 083abe1df4..03d499d69c 100644
--- a/src/mainboard/google/butterfly/romstage.c
+++ b/src/mainboard/google/butterfly/romstage.c
@@ -245,35 +245,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/google/link/romstage.c b/src/mainboard/google/link/romstage.c
index 6d819b4d27..ca58262b91 100644
--- a/src/mainboard/google/link/romstage.c
+++ b/src/mainboard/google/link/romstage.c
@@ -289,35 +289,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/google/parrot/romstage.c b/src/mainboard/google/parrot/romstage.c
index 6c3ec79ae9..667d639d5a 100644
--- a/src/mainboard/google/parrot/romstage.c
+++ b/src/mainboard/google/parrot/romstage.c
@@ -245,35 +245,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/google/stout/romstage.c b/src/mainboard/google/stout/romstage.c
index 05caa3ecc8..7ac5297d5a 100644
--- a/src/mainboard/google/stout/romstage.c
+++ b/src/mainboard/google/stout/romstage.c
@@ -299,35 +299,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/intel/emeraldlake2/romstage.c b/src/mainboard/intel/emeraldlake2/romstage.c
index e10e7b62a3..c9c2b1d41f 100644
--- a/src/mainboard/intel/emeraldlake2/romstage.c
+++ b/src/mainboard/intel/emeraldlake2/romstage.c
@@ -297,35 +297,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/kontron/ktqm77/romstage.c b/src/mainboard/kontron/ktqm77/romstage.c
index 211bfb5f0b..5053530cf1 100644
--- a/src/mainboard/kontron/ktqm77/romstage.c
+++ b/src/mainboard/kontron/ktqm77/romstage.c
@@ -305,35 +305,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
timestamp_add_now(TS_END_ROMSTAGE);
}
diff --git a/src/mainboard/lenovo/t520/romstage.c b/src/mainboard/lenovo/t520/romstage.c
index 8aef922810..8fc0f5f037 100644
--- a/src/mainboard/lenovo/t520/romstage.c
+++ b/src/mainboard/lenovo/t520/romstage.c
@@ -252,36 +252,18 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode == 2);
if (boot_mode != 2) {
save_mrc_data(&pei_data);
}
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
timestamp_add_now(TS_END_ROMSTAGE);
}
diff --git a/src/mainboard/lenovo/t530/romstage.c b/src/mainboard/lenovo/t530/romstage.c
index c9ad90d074..d95f10a931 100644
--- a/src/mainboard/lenovo/t530/romstage.c
+++ b/src/mainboard/lenovo/t530/romstage.c
@@ -240,28 +240,8 @@ void main(unsigned long bist)
rcba_config();
post_code(0x3d);
- MCHBAR16(SSKPD) = 0xCAFE;
+ northbridge_romstage_finalize(s3resume);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if (s3resume) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = 2;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
- }
-#endif
post_code(0x3f);
timestamp_add_now(TS_END_ROMSTAGE);
}
diff --git a/src/mainboard/lenovo/x220/romstage.c b/src/mainboard/lenovo/x220/romstage.c
index 04d577b6b6..59563f9286 100644
--- a/src/mainboard/lenovo/x220/romstage.c
+++ b/src/mainboard/lenovo/x220/romstage.c
@@ -238,28 +238,8 @@ void main(unsigned long bist)
rcba_config();
post_code(0x3d);
- MCHBAR16(SSKPD) = 0xCAFE;
+ northbridge_romstage_finalize(s3resume);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if (s3resume) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = 2;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
- }
-#endif
post_code(0x3f);
timestamp_add_now(TS_END_ROMSTAGE);
}
diff --git a/src/mainboard/lenovo/x230/romstage.c b/src/mainboard/lenovo/x230/romstage.c
index 94fa5cf9a2..1a96ab25e4 100644
--- a/src/mainboard/lenovo/x230/romstage.c
+++ b/src/mainboard/lenovo/x230/romstage.c
@@ -229,28 +229,8 @@ void main(unsigned long bist)
rcba_config();
post_code(0x3d);
- MCHBAR16(SSKPD) = 0xCAFE;
+ northbridge_romstage_finalize(s3resume);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if (s3resume) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = 2;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
- }
-#endif
post_code(0x3f);
timestamp_add_now(TS_END_ROMSTAGE);
}
diff --git a/src/mainboard/samsung/lumpy/romstage.c b/src/mainboard/samsung/lumpy/romstage.c
index 32f1ec5fcd..20fcaee39c 100644
--- a/src/mainboard/samsung/lumpy/romstage.c
+++ b/src/mainboard/samsung/lumpy/romstage.c
@@ -316,36 +316,16 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
-
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode == 2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/mainboard/samsung/stumpy/romstage.c b/src/mainboard/samsung/stumpy/romstage.c
index a3905aba90..2166d6e4f4 100644
--- a/src/mainboard/samsung/stumpy/romstage.c
+++ b/src/mainboard/samsung/stumpy/romstage.c
@@ -327,35 +327,17 @@ void main(unsigned long bist)
quick_ram_check();
post_code(0x3e);
- MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
-#if CONFIG_HAVE_ACPI_RESUME
- /* If there is no high memory area, we didn't boot before, so
- * this is not a resume. In that case we just create the cbmem toc.
- */
-
- *(u32 *)CBMEM_BOOT_MODE = 0;
- *(u32 *)CBMEM_RESUME_BACKUP = 0;
-
- if ((boot_mode == 2) && cbmem_was_initted) {
- void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
- if (resume_backup_memory) {
- *(u32 *)CBMEM_BOOT_MODE = boot_mode;
- *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
- }
- /* Magic for S3 resume */
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
- } else if (boot_mode == 2) {
+ if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
hlt();
- } else {
- pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
-#endif
+ northbridge_romstage_finalize(boot_mode==2);
+
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
diff --git a/src/northbridge/intel/sandybridge/early_init.c b/src/northbridge/intel/sandybridge/early_init.c
index d1d35dbab2..8bf44c1745 100644
--- a/src/northbridge/intel/sandybridge/early_init.c
+++ b/src/northbridge/intel/sandybridge/early_init.c
@@ -24,6 +24,7 @@
#include <arch/io.h>
#include <device/pci_def.h>
#include <elog.h>
+#include <cbmem.h>
#include <pc80/mc146818rtc.h>
#include "sandybridge.h"
@@ -174,3 +175,29 @@ void sandybridge_early_initialization(int chipset_type)
sandybridge_setup_graphics();
}
+
+void northbridge_romstage_finalize(int s3resume)
+{
+ MCHBAR16(SSKPD) = 0xCAFE;
+
+#if CONFIG_HAVE_ACPI_RESUME
+ /* If there is no high memory area, we didn't boot before, so
+ * this is not a resume. In that case we just create the cbmem toc.
+ */
+
+ *(u32 *)CBMEM_BOOT_MODE = 0;
+ *(u32 *)CBMEM_RESUME_BACKUP = 0;
+
+ if (s3resume) {
+ void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
+ if (resume_backup_memory) {
+ *(u32 *)CBMEM_BOOT_MODE = 2;
+ *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
+ }
+ /* Magic for S3 resume */
+ pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
+ } else {
+ pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
+ }
+#endif
+}
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 291ea46d8b..d38bf0bdc9 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -209,6 +209,7 @@ void intel_sandybridge_finalize_smm(void);
int bridge_silicon_revision(void);
void sandybridge_early_initialization(int chipset_type);
void sandybridge_late_initialization(void);
+void northbridge_romstage_finalize(int s3resume);
/* debugging functions */
void print_pci_devices(void);