[coreboot-gerrit] Patch set updated for coreboot: nb/intel: Factor out common MRC code
Patrick Rudolph (siro@das-labor.org)
gerrit at coreboot.org
Wed Jun 8 20:17:58 CEST 2016
Patrick Rudolph (siro at das-labor.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15074
-gerrit
commit 7d1ea2ddc80237a4a2018ada55e524b487179386
Author: Patrick Rudolph <siro at das-labor.org>
Date: Sun May 29 17:05:06 2016 +0200
nb/intel: Factor out common MRC code
Remove code duplication and use the common function
store_current_mrc_cache instead.
No functionality is changed.
Tested on Sandybridge Lenovo T520.
Change-Id: I4aa5463f1b1d5e1afbe44b4bfc659524d86204db
Signed-off-by: Patrick Rudolph <siro at das-labor.org>
---
src/northbridge/intel/common/mrc_cache.c | 32 +++++++++++++++++++++++++
src/northbridge/intel/common/mrc_cache.h | 1 +
src/northbridge/intel/haswell/raminit.c | 24 +------------------
src/northbridge/intel/nehalem/raminit.c | 23 +-----------------
src/northbridge/intel/sandybridge/raminit.c | 25 ++-----------------
src/northbridge/intel/sandybridge/raminit_mrc.c | 25 +------------------
6 files changed, 38 insertions(+), 92 deletions(-)
diff --git a/src/northbridge/intel/common/mrc_cache.c b/src/northbridge/intel/common/mrc_cache.c
index 82b1005..4c3ee5d 100644
--- a/src/northbridge/intel/common/mrc_cache.c
+++ b/src/northbridge/intel/common/mrc_cache.c
@@ -250,3 +250,35 @@ struct mrc_data_container *find_current_mrc_cache(void)
// 0. compare MRC data to last mrc-cache block (exit if same)
return find_current_mrc_cache_local(cache_base, cache_size);
}
+
+struct mrc_data_container *
+store_current_mrc_cache(void *data, unsigned length)
+{
+ struct mrc_data_container *mrcdata;
+ int output_len = ALIGN(length, 16);
+
+ /* Save the MRC S3 restore data to cbmem */
+ mrcdata = cbmem_add
+ (CBMEM_ID_MRCDATA,
+ output_len + sizeof(struct mrc_data_container));
+
+ if (!mrcdata)
+ return NULL;
+
+ printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
+ data, mrcdata, output_len);
+
+ mrcdata->mrc_signature = MRC_DATA_SIGNATURE;
+ mrcdata->mrc_data_size = output_len;
+ mrcdata->reserved = 0;
+ memcpy(mrcdata->mrc_data, data, length);
+
+ /* Zero the unused space in aligned buffer. */
+ if (output_len > length)
+ memset(mrcdata->mrc_data+length, 0, output_len - length);
+
+ mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
+ mrcdata->mrc_data_size);
+
+ return mrcdata;
+}
diff --git a/src/northbridge/intel/common/mrc_cache.h b/src/northbridge/intel/common/mrc_cache.h
index 408a420..1fb6667 100644
--- a/src/northbridge/intel/common/mrc_cache.h
+++ b/src/northbridge/intel/common/mrc_cache.h
@@ -13,5 +13,6 @@ struct mrc_data_container {
} __attribute__ ((packed));
struct mrc_data_container *find_current_mrc_cache(void);
+struct mrc_data_container *store_current_mrc_cache(void *data, unsigned length);
#endif /* NORTHBRIDGE_INTEL_COMMON_MRC_CACHE_H */
diff --git a/src/northbridge/intel/haswell/raminit.c b/src/northbridge/intel/haswell/raminit.c
index 4644f05..464f7c8 100644
--- a/src/northbridge/intel/haswell/raminit.c
+++ b/src/northbridge/intel/haswell/raminit.c
@@ -31,30 +31,8 @@
void save_mrc_data(struct pei_data *pei_data)
{
- struct mrc_data_container *mrcdata;
- int output_len = ALIGN(pei_data->mrc_output_len, 16);
-
/* Save the MRC S3 restore data to cbmem */
- mrcdata = cbmem_add
- (CBMEM_ID_MRCDATA,
- output_len + sizeof(struct mrc_data_container));
-
- printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
- pei_data->mrc_output, mrcdata, output_len);
-
- mrcdata->mrc_signature = MRC_DATA_SIGNATURE;
- mrcdata->mrc_data_size = output_len;
- mrcdata->reserved = 0;
- memcpy(mrcdata->mrc_data, pei_data->mrc_output,
- pei_data->mrc_output_len);
-
- /* Zero the unused space in aligned buffer. */
- if (output_len > pei_data->mrc_output_len)
- memset(mrcdata->mrc_data+pei_data->mrc_output_len, 0,
- output_len - pei_data->mrc_output_len);
-
- mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
- mrcdata->mrc_data_size);
+ store_current_mrc_cache(pei_data->mrc_output, pei_data->mrc_output_len);
}
static void prepare_mrc_cache(struct pei_data *pei_data)
diff --git a/src/northbridge/intel/nehalem/raminit.c b/src/northbridge/intel/nehalem/raminit.c
index a5a6276..0549de7 100644
--- a/src/northbridge/intel/nehalem/raminit.c
+++ b/src/northbridge/intel/nehalem/raminit.c
@@ -1688,8 +1688,6 @@ static void dump_timings(struct raminfo *info)
static void save_timings(struct raminfo *info)
{
struct ram_training train;
- struct mrc_data_container *mrcdata;
- int output_len = ALIGN(sizeof(train), 16);
int channel, slot, rank, lane, i;
train = info->training;
@@ -1717,26 +1715,7 @@ static void save_timings(struct raminfo *info)
printk (BIOS_SPEW, "[6e8] = %x\n", train.reg_6e8);
/* Save the MRC S3 restore data to cbmem */
- mrcdata = cbmem_add
- (CBMEM_ID_MRCDATA, output_len + sizeof(struct mrc_data_container));
-
- if (mrcdata != NULL) {
- printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
- &train, mrcdata, output_len);
-
- mrcdata->mrc_signature = MRC_DATA_SIGNATURE;
- mrcdata->mrc_data_size = output_len;
- mrcdata->reserved = 0;
- memcpy(mrcdata->mrc_data, &train, sizeof(train));
-
- /* Zero the unused space in aligned buffer. */
- if (output_len > sizeof(train))
- memset(mrcdata->mrc_data + sizeof(train), 0,
- output_len - sizeof(train));
-
- mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
- mrcdata->mrc_data_size);
- }
+ store_current_mrc_cache(&train, sizeof(train));
}
#if REAL
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index 1ed77eb..6bb77b2 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -3938,31 +3938,10 @@ static void final_registers(ramctr_timing * ctrl)
| 0xc);
}
-static void save_timings(ramctr_timing * ctrl)
+static void save_timings(ramctr_timing *ctrl)
{
- struct mrc_data_container *mrcdata;
- int output_len = ALIGN(sizeof (*ctrl), 16);
-
/* Save the MRC S3 restore data to cbmem */
- mrcdata = cbmem_add
- (CBMEM_ID_MRCDATA,
- output_len + sizeof(struct mrc_data_container));
-
- printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
- ctrl, mrcdata, output_len);
-
- mrcdata->mrc_signature = MRC_DATA_SIGNATURE;
- mrcdata->mrc_data_size = output_len;
- mrcdata->reserved = 0;
- memcpy(mrcdata->mrc_data, ctrl, sizeof (*ctrl));
-
- /* Zero the unused space in aligned buffer. */
- if (output_len > sizeof (*ctrl))
- memset(mrcdata->mrc_data+sizeof (*ctrl), 0,
- output_len - sizeof (*ctrl));
-
- mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
- mrcdata->mrc_data_size);
+ store_current_mrc_cache(ctrl, sizeof(*ctrl));
}
static void restore_timings(ramctr_timing * ctrl)
diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c
index c26f012..8754e42 100644
--- a/src/northbridge/intel/sandybridge/raminit_mrc.c
+++ b/src/northbridge/intel/sandybridge/raminit_mrc.c
@@ -52,32 +52,9 @@
void save_mrc_data(struct pei_data *pei_data)
{
u16 c1, c2, checksum;
- struct mrc_data_container *mrcdata;
- int output_len = ALIGN(pei_data->mrc_output_len, 16);
/* Save the MRC S3 restore data to cbmem */
- mrcdata = cbmem_add
- (CBMEM_ID_MRCDATA,
- output_len + sizeof(struct mrc_data_container));
-
- if (mrcdata != NULL) {
- printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
- pei_data->mrc_output, mrcdata, output_len);
-
- mrcdata->mrc_signature = MRC_DATA_SIGNATURE;
- mrcdata->mrc_data_size = output_len;
- mrcdata->reserved = 0;
- memcpy(mrcdata->mrc_data, pei_data->mrc_output,
- pei_data->mrc_output_len);
-
- /* Zero the unused space in aligned buffer. */
- if (output_len > pei_data->mrc_output_len)
- memset(mrcdata->mrc_data+pei_data->mrc_output_len, 0,
- output_len - pei_data->mrc_output_len);
-
- mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
- mrcdata->mrc_data_size);
- }
+ store_current_mrc_cache(pei_data->mrc_output, pei_data->mrc_output_len);
/* Save the MRC seed values to CMOS */
cmos_write32(CMOS_OFFSET_MRC_SEED, pei_data->scrambler_seed);
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