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authorFelix Held <felix-coreboot@felixheld.de>2023-12-14 20:59:54 +0100
committerFelix Held <felix-coreboot@felixheld.de>2024-01-08 13:10:12 +0000
commitc4fbc9146dae55763ac0089644138c0ccb370897 (patch)
treec3fd13b59e8cf51aa921a967e4657472d2639915 /src
parent8fdf183175fa986b983617a83f4730d5fd9fb5e8 (diff)
cpu/x86/smi_trigger: call pm_acpi_smi_cmd_port to get APMC SMI IO port
Instead of hard-coding the APMC SMI command IO port in the FADT, call pm_acpi_smi_cmd_port() to get the APMC SMI command IO port. Also update the comment in apm_get_apmc to match what it's doing. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I0f36b8a0e93a82b8c6d23c5c5d8fbebb1bc6b0bc Reviewed-on: https://review.coreboot.org/c/coreboot/+/79567 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Diffstat (limited to 'src')
-rw-r--r--src/cpu/x86/smi_trigger.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cpu/x86/smi_trigger.c b/src/cpu/x86/smi_trigger.c
index 470ecde8b0..9781642c74 100644
--- a/src/cpu/x86/smi_trigger.c
+++ b/src/cpu/x86/smi_trigger.c
@@ -38,7 +38,7 @@ int apm_control(u8 cmd)
apmc_log(__func__, cmd);
/* Now raise the SMI. */
- outb(cmd, APM_CNT);
+ outb(cmd, pm_acpi_smi_cmd_port());
printk(BIOS_DEBUG, "APMC done.\n");
return 0;
@@ -46,8 +46,8 @@ int apm_control(u8 cmd)
u8 apm_get_apmc(void)
{
- /* Emulate B2 register as the FADT / Linux expects it */
- u8 cmd = inb(APM_CNT);
+ /* Read command byte from APMC SMI IO port */
+ u8 cmd = inb(pm_acpi_smi_cmd_port());
apmc_log("SMI#", cmd);
return cmd;