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nehalem sandy ivy: Check cbmem_add() result for MRC data

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In theory we could run out of CBMEM space so check the entry was added.
There is no interest to support builds without EARLY_CBMEM_INIT.

Change-Id: I68dd7c20e3d3692331aaafa2a692c5c0dfce95d5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6033
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki 2014-06-15 15:59:44 +03:00 committed by Patrick Georgi
parent b0cbb2cd17
commit 743a218a60
2 changed files with 29 additions and 30 deletions
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4
src/northbridge/intel/nehalem/raminit.c
View File

@ -1687,7 +1687,6 @@ static void dump_timings(struct raminfo *info)
*/ */
static void save_timings(struct raminfo *info) static void save_timings(struct raminfo *info)
{ {
#if CONFIG_EARLY_CBMEM_INIT
struct ram_training train; struct ram_training train;
struct mrc_data_container *mrcdata; struct mrc_data_container *mrcdata;
int output_len = ALIGN(sizeof(train), 16); int output_len = ALIGN(sizeof(train), 16);
@ -1722,6 +1721,7 @@ static void save_timings(struct raminfo *info)
mrcdata = cbmem_add mrcdata = cbmem_add
(CBMEM_ID_MRCDATA, output_len + sizeof(struct mrc_data_container)); (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", printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
&train, mrcdata, output_len); &train, mrcdata, output_len);
@ -1737,7 +1737,7 @@ static void save_timings(struct raminfo *info)
mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data, mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
mrcdata->mrc_data_size); mrcdata->mrc_data_size);
#endif }
} }
#if REAL #if REAL

5
src/northbridge/intel/sandybridge/raminit.c
View File

@ -54,8 +54,6 @@
void save_mrc_data(struct pei_data *pei_data) void save_mrc_data(struct pei_data *pei_data)
{ {
u16 c1, c2, checksum; u16 c1, c2, checksum;
#if CONFIG_EARLY_CBMEM_INIT
struct mrc_data_container *mrcdata; struct mrc_data_container *mrcdata;
int output_len = ALIGN(pei_data->mrc_output_len, 16); int output_len = ALIGN(pei_data->mrc_output_len, 16);
@ -64,6 +62,7 @@ void save_mrc_data(struct pei_data *pei_data)
(CBMEM_ID_MRCDATA, (CBMEM_ID_MRCDATA,
output_len + sizeof(struct mrc_data_container)); output_len + sizeof(struct mrc_data_container));
if (mrcdata != NULL) {
printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n", printk(BIOS_DEBUG, "Relocate MRC DATA from %p to %p (%u bytes)\n",
pei_data->mrc_output, mrcdata, output_len); pei_data->mrc_output, mrcdata, output_len);
@ -80,7 +79,7 @@ void save_mrc_data(struct pei_data *pei_data)
mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data, mrcdata->mrc_checksum = compute_ip_checksum(mrcdata->mrc_data,
mrcdata->mrc_data_size); mrcdata->mrc_data_size);
#endif }
/* Save the MRC seed values to CMOS */ /* Save the MRC seed values to CMOS */
cmos_write32(CMOS_OFFSET_MRC_SEED, pei_data->scrambler_seed); cmos_write32(CMOS_OFFSET_MRC_SEED, pei_data->scrambler_seed);