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soc/intel/apollolake: Use SMM library to get tseg region information

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This patch uses smm common library function to get tseg base
address and size. Hence removing definitions of smm_region()
from soc directory.

BRANCH=none
BUG=b:63974384
TEST=Build and boot reef successfully.

Change-Id: I091ca90cf576c0da35cf3fe010f8c22a18ef82d9
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21291
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Subrata Banik
2017-08-30 16:53:20 +05:30
parent ce9653fe78
commit ce90c78d7f
3 changed files with 8 additions and 23 deletions
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26
src/soc/intel/apollolake/memmap.c
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@ -28,40 +28,24 @@
#include <cbmem.h>
#include <device/pci.h>
#include <fsp/memmap.h>
#include <intelblocks/smm.h>
#include <soc/systemagent.h>
#include <soc/pci_devs.h>
static uintptr_t smm_region_start(void)
{
return ALIGN_DOWN(pci_read_config32(SA_DEV_ROOT, TSEG), 1*MiB);
}
static size_t smm_region_size(void)
{
uintptr_t smm_end =
ALIGN_DOWN(pci_read_config32(SA_DEV_ROOT, BGSM), 1*MiB);
return smm_end - smm_region_start();
}
void *cbmem_top(void)
{
return (void *)smm_region_start();
}
void smm_region(void **start, size_t *size)
{
*start = (void *)smm_region_start();
*size = smm_region_size();
return (void *)sa_get_tseg_base();
}
int smm_subregion(int sub, void **start, size_t *size)
{
uintptr_t sub_base;
size_t sub_size;
void *smm_base;
const size_t cache_size = CONFIG_SMM_RESERVED_SIZE;
sub_base = smm_region_start();
sub_size = smm_region_size();
smm_region_info(&smm_base, &sub_size);
sub_base = (uintptr_t)smm_base;
assert(sub_size > CONFIG_SMM_RESERVED_SIZE);