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gm45: Reserve RAM for ME if it's active. 

Change-Id: Icd2b075cec9461f9d6028a8c845f6900b6fe04c8
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6628
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Vladimir Serbinenko 2014-08-12 21:51:28 +02:00
parent b25a9e9d30
commit 9907be4bbd
1 changed files with 5 additions and 3 deletions
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8
src/northbridge/intel/gm45/raminit.c
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@ -1211,7 +1211,8 @@ static void program_memory_map(const dimminfo_t *const dimms, const channel_mode
/* Calculate memory mapping, all values in MB. */
const unsigned int MMIOstart = 0x0c00; /* 3GB, makes MTRR configuration small. */
const unsigned int ME_SIZE = 0;
const int me_active = pci_read_config8(PCI_DEV(0, 3, 0), PCI_CLASS_REVISION) != 0xff;
const unsigned int ME_SIZE = prejedec || !me_active ? 0 : 32;
const unsigned int usedMEsize = (total_mb[0] != total_mb[1]) ? ME_SIZE : 2 * ME_SIZE;
const unsigned int claimCapable =
!(pci_read_config32(PCI_DEV(0, 0, 0), D0F0_CAPID0 + 4) & (1 << (47 - 32)));
@ -1267,8 +1268,9 @@ static void program_memory_map(const dimminfo_t *const dimms, const channel_mode
"TOLUD = %5uMB\n"
"TOUUD = %5uMB\n"
"REMAP:\t base = %5uMB\n"
"\t limit = %5uMB\n",
TOM, TOLUD, TOUUD, REMAPbase, REMAPlimit);
"\t limit = %5uMB\n"
"usedMEsize: %dMB\n",
TOM, TOLUD, TOUUD, REMAPbase, REMAPlimit, usedMEsize);
}
static void prejedec_memory_map(const dimminfo_t *const dimms, channel_mode_t mode)
{