sb/intel/lynxpoint: Only generate SerialIO SSDT for PCH-LP
Lynxpoint PCH-H does not have SerialIO, so do not generate its SSDT.
Change-Id: Ie816ebd470df93a45826498bf21be59ff0a813bf
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50477
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index b0ff545..3685a41 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -692,7 +692,6 @@
struct acpi_rsdp *rsdp)
{
unsigned long current;
- acpi_header_t *ssdt;
current = start;
@@ -706,12 +705,14 @@
current = acpi_align_current(current);
- printk(BIOS_DEBUG, "ACPI: * SSDT2\n");
- ssdt = (acpi_header_t *)current;
- acpi_create_serialio_ssdt(ssdt);
- current += ssdt->length;
- acpi_add_table(rsdp, ssdt);
- current = acpi_align_current(current);
+ if (pch_is_lp()) {
+ printk(BIOS_DEBUG, "ACPI: * SSDT2\n");
+ acpi_header_t *ssdt = (acpi_header_t *)current;
+ acpi_create_serialio_ssdt(ssdt);
+ current += ssdt->length;
+ acpi_add_table(rsdp, ssdt);
+ current = acpi_align_current(current);
+ }
printk(BIOS_DEBUG, "current = %lx\n", current);
return current;