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Attempt to disable ME

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This commit is contained in:
Jeremy Soller 2019-10-03 13:40:45 -06:00
parent 7a944bda90
commit 015f42bbe4
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GPG Key ID: E988B49EE78A7FB1
1 changed files with 21 additions and 0 deletions
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21
src/soc/intel/cannonlake/me.c
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@ -257,4 +257,25 @@ void dump_me_status(void *unused)
hfsts6.fields.txt_support ? "YES" : "NO");
}
#define DISABLE_ME 1
#if DISABLE_ME
void disable_me(void* unused);
void disable_me(void* unused)
{
u32 msg[] = {0x00000105, 0x00000000, 0x00000000};
printk(BIOS_DEBUG, "ME: send disable message\n");
if (!heci_send(&msg, sizeof(msg), BIOS_HOST_ADDR,
HECI_MKHI_ADDR))
printk(BIOS_ERR, "ME: Error sending HMRFPO msg\n");
dump_me_status(unused);
}
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, disable_me, NULL);
#else // DISABLE_ME
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL);
#endif // DISABLE_ME