amd/pi: Add AMD fam16h TPM ACPI path support
Change-Id: I5322d731a0dc655f2da14b87fa6cbc1e54b5abd5
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/18522
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/southbridge/amd/pi/hudson/lpc.c b/src/southbridge/amd/pi/hudson/lpc.c
index c18a559..7a3914a 100644
--- a/src/southbridge/amd/pi/hudson/lpc.c
+++ b/src/southbridge/amd/pi/hudson/lpc.c
@@ -30,6 +30,7 @@
#include <pc80/i8259.h>
#include "hudson.h"
#include <vboot/vbnv.h>
+#include "pci_devs.h"
static void lpc_init(device_t dev)
{
@@ -338,6 +339,17 @@
return current;
}
+static const char *lpc_acpi_name(struct device *dev)
+{
+ if (dev->path.type != DEVICE_PATH_PCI)
+ return NULL;
+
+ if (dev->path.pci.devfn == LPC_DEVFN)
+ return "LIBR";
+
+ return NULL;
+}
+
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
@@ -352,6 +364,7 @@
.init = lpc_init,
.scan_bus = scan_lpc_bus,
.ops_pci = &lops_pci,
+ .acpi_name = lpc_acpi_name,
};
static const unsigned short pci_device_ids[] = {
diff --git a/src/southbridge/amd/pi/hudson/pci_devs.h b/src/southbridge/amd/pi/hudson/pci_devs.h
index 76480e5..7d4dea2 100644
--- a/src/southbridge/amd/pi/hudson/pci_devs.h
+++ b/src/southbridge/amd/pi/hudson/pci_devs.h
@@ -86,6 +86,7 @@
/* LPC BUS */
#define PCU_DEV 0x14
+#define LPC_DEV PCU_DEV
#define LPC_FUNC 3
#define LPC_DEVID 0x780E
#define LPC_DEVFN PCI_DEVFN(LPC_DEV,LPC_FUNC)