hp/pavilion_m6_1035dx: Shutdown when lid is closed on non-ACPI OS
This is handled by generating an SMI when GEVENT22 goes low. This pin is driven by the EC when the lid opens or closes. This SMI is disabled when switching to ACPI mode, so ACPI OSes are not affected. Change-Id: I38193572bf0416fd642002dba94c19257f0f6f5b Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/171 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
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@ -7,6 +7,7 @@
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#define _MAINBOARD_HP_PAVILION_M6_1035DX_EC_H
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#define EC_SMI_GEVENT 23
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#define EC_LID_GEVENT 22
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#ifndef __SMM__
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void pavilion_m6_1035dx_ec_init(void);
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@ -42,6 +42,7 @@ static void mainboard_enable(device_t dev)
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pavilion_m6_1035dx_ec_init();
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hudson_configure_gevent_smi(EC_SMI_GEVENT, SMI_MODE_SMI, SMI_LVL_HIGH);
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hudson_configure_gevent_smi(EC_LID_GEVENT, SMI_MODE_SMI, SMI_LVL_LOW);
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hudson_enable_smi_generation();
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/*
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@ -12,6 +12,7 @@
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#include <delay.h>
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#include <ec/compal/ene932/ec.h>
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#include <southbridge/amd/agesa/hudson/hudson.h>
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#include <southbridge/amd/agesa/hudson/smi.h>
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#define ACPI_PM1_CNT_SLEEP(state) ((1 << 13) | (state & 0x7) << 10)
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@ -71,16 +72,25 @@ static void handle_ec_smi(void)
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ec_process_smi(src);
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}
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static void handle_lid_smi(void)
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{
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/* Only triggered in non-ACPI mode on lid close. */
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outl(ACPI_PM1_CNT_SLEEP(S4), ACPI_PM1_CNT_BLK);
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}
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int mainboard_smi_apmc(uint8_t data)
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{
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switch (data) {
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case ACPI_SMI_CMD_ENABLE:
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printk(BIOS_DEBUG, "Enable ACPI mode\n");
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ec_enter_acpi_mode();
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hudson_disable_gevent_smi(EC_LID_GEVENT);
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break;
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case ACPI_SMI_CMD_DISABLE:
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printk(BIOS_DEBUG, "Disable ACPI mode\n");
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ec_enter_apm_mode();
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hudson_configure_gevent_smi(EC_LID_GEVENT, SMI_MODE_SMI,
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SMI_LVL_LOW);
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break;
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default:
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printk(BIOS_DEBUG, "Unhandled ACPI command: 0x%x\n", data);
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@ -92,4 +102,6 @@ void mainboard_smi_gpi(uint32_t gpi_sts)
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{
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if (gpi_sts & (1 << EC_SMI_GEVENT))
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handle_ec_smi();
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if (gpi_sts & (1 << EC_LID_GEVENT))
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handle_lid_smi();
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}
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