c1d524b8c6
Change-Id: Ief0c3d36e6de6e18b7f2613f043ac4d31a193f9d Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/49249 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <stdint.h>
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#include <arch/io.h>
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#include <console/console.h>
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#include <cpu/x86/smm.h>
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#include <superio/smsc/sch5545/sch5545.h>
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int mainboard_smi_apmc(u8 data)
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{
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u8 val;
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switch (data) {
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case APM_CNT_ACPI_ENABLE:
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/* Enable wake on PS2 */
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val = inb(SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
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val |= (SCH5545_KBD_PME_EN | SCH5545_MOUSE_PME_EN);
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outb(val, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
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/* Clear pending and enable PMEs */
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outb(SCH5545_GLOBAL_PME_STS, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_STS);
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outb(SCH5545_GLOBAL_PME_EN, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN);
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break;
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case APM_CNT_ACPI_DISABLE:
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/* Disable wake on PS2 */
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val = inb(SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
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val &= ~(SCH5545_KBD_PME_EN | SCH5545_MOUSE_PME_EN);
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outb(val, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN1);
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/* Clear pending and disable PMEs */
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outb(SCH5545_GLOBAL_PME_STS, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_STS);
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outb(0, SCH5545_RUNTIME_REG_BASE + SCH5545_RR_PME_EN);
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break;
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default:
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break;
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}
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return 0;
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}
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