Intel (sandy/ivy): Avoid calling cbmem_initialize() twice
Delay the copying of MRC cache data from CAR to CBMEM until after
sdram_initialize() returns and cbmem_initialize() completes.
Calling cbmem_initialize() twice would complicate the decision logic
of when CBMEM area needs to be wiped clean.
Change-Id: Ic59e94cb2436293efc47b52f7418f5dbf76c714a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4666
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
diff --git a/src/mainboard/google/butterfly/romstage.c b/src/mainboard/google/butterfly/romstage.c
index 67e509e..b7ec011 100644
--- a/src/mainboard/google/butterfly/romstage.c
+++ b/src/mainboard/google/butterfly/romstage.c
@@ -245,6 +245,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/google/link/romstage.c b/src/mainboard/google/link/romstage.c
index 1aa309a..1e4b42c 100644
--- a/src/mainboard/google/link/romstage.c
+++ b/src/mainboard/google/link/romstage.c
@@ -289,6 +289,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/google/parrot/romstage.c b/src/mainboard/google/parrot/romstage.c
index 2fe61d6..b6bacae 100644
--- a/src/mainboard/google/parrot/romstage.c
+++ b/src/mainboard/google/parrot/romstage.c
@@ -245,6 +245,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/google/stout/romstage.c b/src/mainboard/google/stout/romstage.c
index a0700af2..a775e69 100644
--- a/src/mainboard/google/stout/romstage.c
+++ b/src/mainboard/google/stout/romstage.c
@@ -297,6 +297,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/intel/emeraldlake2/romstage.c b/src/mainboard/intel/emeraldlake2/romstage.c
index f116668..3534700 100644
--- a/src/mainboard/intel/emeraldlake2/romstage.c
+++ b/src/mainboard/intel/emeraldlake2/romstage.c
@@ -297,6 +297,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/kontron/ktqm77/romstage.c b/src/mainboard/kontron/ktqm77/romstage.c
index 773079d..15c10b2 100644
--- a/src/mainboard/kontron/ktqm77/romstage.c
+++ b/src/mainboard/kontron/ktqm77/romstage.c
@@ -296,6 +296,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/samsung/lumpy/romstage.c b/src/mainboard/samsung/lumpy/romstage.c
index a4f0c42..1f4fd02 100644
--- a/src/mainboard/samsung/lumpy/romstage.c
+++ b/src/mainboard/samsung/lumpy/romstage.c
@@ -318,6 +318,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/mainboard/samsung/stumpy/romstage.c b/src/mainboard/samsung/stumpy/romstage.c
index ee715e7..7630c05 100644
--- a/src/mainboard/samsung/stumpy/romstage.c
+++ b/src/mainboard/samsung/stumpy/romstage.c
@@ -325,6 +325,8 @@
MCHBAR16(SSKPD) = 0xCAFE;
cbmem_was_initted = !cbmem_initialize();
+ 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
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index 3b65571..b9c3839 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -54,7 +54,7 @@
#define CMOS_OFFSET_MRC_SEED_CHK 160
#endif
-static void save_mrc_data(struct pei_data *pei_data)
+void save_mrc_data(struct pei_data *pei_data)
{
u16 c1, c2, checksum;
@@ -63,7 +63,6 @@
int output_len = ALIGN(pei_data->mrc_output_len, 16);
/* Save the MRC S3 restore data to cbmem */
- cbmem_initialize();
mrcdata = cbmem_add
(CBMEM_ID_MRCDATA,
output_len + sizeof(struct mrc_data_container));
@@ -297,8 +296,4 @@
post_system_agent_init(pei_data);
report_memory_config();
-
- /* S3 resume: don't save scrambler seed or MRC data */
- if (pei_data->boot_mode != 2)
- save_mrc_data(pei_data);
}
diff --git a/src/northbridge/intel/sandybridge/raminit.h b/src/northbridge/intel/sandybridge/raminit.h
index 2e9b1f3..c3b1c2a 100644
--- a/src/northbridge/intel/sandybridge/raminit.h
+++ b/src/northbridge/intel/sandybridge/raminit.h
@@ -30,6 +30,7 @@
} __attribute__ ((packed));
void sdram_initialize(struct pei_data *pei_data);
+void save_mrc_data(struct pei_data *pei_data);
int fixup_sandybridge_errata(void);
#endif /* RAMINIT_H */