From 0be419947eca04967a9f36d1f843026534cc3569 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Fri, 8 Jan 2021 13:58:10 +0200 Subject: arch/x86: Use wildcard for mb/smihandler.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I306f8cd74af62c0cd30f445d20c47f774f122481 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/49247 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- .../hp/pavilion_m6_1035dx/mainboard_smi.c | 106 --------------------- 1 file changed, 106 deletions(-) delete mode 100644 src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c (limited to 'src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c') diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c b/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c deleted file mode 100644 index fa81b280ee..0000000000 --- a/src/mainboard/hp/pavilion_m6_1035dx/mainboard_smi.c +++ /dev/null @@ -1,106 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ - -/* - * SMI handler -- mostly takes care of SMIs from the EC - */ - -#include -#include -#include -#include -#include -#include - -#include "ec.h" - -#define ACPI_PM1_CNT_SLEEP(state) ((1 << 13) | (state & 0x7) << 10) - -enum sleep_states { - S0 = 0, - S1 = 1, - S3 = 3, - S4 = 4, - S5 = 5, -}; - -enum ec_smi_event { - EC_SMI_EVENT_IDLE = 0x80, - EC_SMI_BATTERY_LOW = 0xb3, -}; - -/* Tell EC to operate in APM mode. Events generate SMIs instead of SCIs */ -static void ec_enter_apm_mode(void) -{ - ec_kbc_write_cmd(0x59); - ec_kbc_write_ib(0xE9); -} -/* Tell EC to operate in ACPI mode, thus generating SCIs on events, not SMIs */ -static void ec_enter_acpi_mode(void) -{ - ec_kbc_write_cmd(0x59); - ec_kbc_write_ib(0xE8); -} - -static uint8_t ec_get_smi_event(void) -{ - ec_kbc_write_cmd(0x56); - return ec_kbc_read_ob(); -} - -static void ec_process_smi(uint8_t src) -{ - /* Reading the SMI source satisfies the EC in terms of responding to - * the event, regardless of whether we take an action or not. - */ - - switch (src) { - case EC_SMI_BATTERY_LOW: - printk(BIOS_DEBUG, "Battery low. Shutting down\n"); - outl(ACPI_PM1_CNT_SLEEP(S5), ACPI_PM1_CNT_BLK); - break; - default: - printk(BIOS_DEBUG, "EC_SMI event 0x%x\n", src); - } -} - -static void handle_ec_smi(void) -{ - uint8_t src; - - while ((src = ec_get_smi_event()) != EC_SMI_EVENT_IDLE) - ec_process_smi(src); -} - -static void handle_lid_smi(void) -{ - /* Only triggered in non-ACPI mode on lid close. */ - outl(ACPI_PM1_CNT_SLEEP(S4), ACPI_PM1_CNT_BLK); -} - -int mainboard_smi_apmc(uint8_t data) -{ - switch (data) { - case ACPI_SMI_CMD_ENABLE: - printk(BIOS_DEBUG, "Enable ACPI mode\n"); - ec_enter_acpi_mode(); - hudson_disable_gevent_smi(EC_LID_GEVENT); - break; - case ACPI_SMI_CMD_DISABLE: - printk(BIOS_DEBUG, "Disable ACPI mode\n"); - ec_enter_apm_mode(); - hudson_configure_gevent_smi(EC_LID_GEVENT, SMI_MODE_SMI, - SMI_LVL_LOW); - break; - default: - printk(BIOS_DEBUG, "Unhandled ACPI command: 0x%x\n", data); - } - return 0; -} - -void mainboard_smi_gpi(uint32_t gpi_sts) -{ - if (gpi_sts & (1 << EC_SMI_GEVENT)) - handle_ec_smi(); - if (gpi_sts & (1 << EC_LID_GEVENT)) - handle_lid_smi(); -} -- cgit v1.2.3