diff options
Diffstat (limited to 'src/southbridge/intel/bd82x6x/smihandler.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/smihandler.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/smihandler.c b/src/southbridge/intel/bd82x6x/smihandler.c index 420c5db211..093da5c60a 100644 --- a/src/southbridge/intel/bd82x6x/smihandler.c +++ b/src/southbridge/intel/bd82x6x/smihandler.c @@ -326,6 +326,17 @@ static void southbridge_gate_memory_reset(void) outl(reg32, gpiobase + GP_LVL2); } +static void xhci_sleep(u8 slp_typ) +{ + u32 reg32; + + if (slp_typ == SLP_TYP_S5) { + reg32 = pcie_read_config32(PCH_XHCI_DEV, 0x74); + reg32 |= (1 << 8 | 0x03 ); + pcie_write_config32(PCH_XHCI_DEV, 0x74, reg32); + } +} + static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *state_save) { u8 reg8; @@ -353,6 +364,9 @@ static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *stat printk(BIOS_SPEW, "SMI#: SLP = 0x%08x\n", reg32); slp_typ = (reg32 >> 10) & 7; + if (smm_get_gnvs()->xhci) + xhci_sleep(slp_typ); + /* Do any mainboard sleep handling */ tseg_relocate((void **)&mainboard_sleep); if (mainboard_sleep) |