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mb/prodrive/hermes: Hook up wake on USB option 

Hook up the `wake_on_usb` EEPROM setting so that it works as intended.

TEST=Keysmash on a USB keyboard, verify Hermes does not wake from S3.

Change-Id: I81531b90abae6a62754ea66c47e934e1f440bda2
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72906
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2023-02-08 21:33:44 +01:00 committed by Lean Sheng Tan
parent f411db3561
commit 05df1084ed
2 changed files with 19 additions and 0 deletions
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13
src/mainboard/prodrive/hermes/mainboard.c
View File

@ -1,5 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <bootstate.h>
#include <cbmem.h>
@ -217,6 +218,18 @@ static void mainboard_acpi_fill_ssdt(const struct device *dev)
acpigen_write_soc_gpio_op(usb_power_gpios[i]);
}
acpigen_pop_len();
if (!board_cfg->wake_on_usb) {
acpigen_write_if();
acpigen_emit_byte(LNOT_OP);
acpigen_emit_byte(LLESS_OP);
acpigen_emit_byte(ARG0_OP);
acpigen_write_integer(ACPI_S3);
{
acpigen_write_store_int_to_namestr(0, "\\_SB.PCI0.XHCI.PMEE");
}
acpigen_pop_len();
}
}
acpigen_pop_len();
}

6
src/soc/intel/cannonlake/acpi/xhci.asl
View File

@ -87,6 +87,12 @@ Device (XHCI)
Offset (0x10),
, 16,
XMEM, 16, /* MEM_BASE */
Offset (0x74),
D0D3, 2, /* POWERSTATE */
, 6,
PMEE, 1, /* PME_EN */
, 6,
PMES, 1, /* PME_STS */
}
Method (_PS0, 0, Serialized)