sb/intel/bd82x6x: Fill in acpi_name

Fill in acpi_name to return proper ACPI names.
To be used with SSDT generators.

The ACPI names have to match those already used in ASL code.
By providing the ACPI name it can be retrieved by the
acpi_device_name() method and doesn't need to be hardcoded in
SSDT generators any more.

HDEF is defined in sb/intel/bd82x6x/acpi/audio.asl.
LPCB is defined in sb/intel/bd82x6x/acpi/lpc.asl.
RP0* is defined in sb/intel/bd82x6x/acpi/pcie.asl.
SATA is defined in sb/intel/bd82x6x/acpi/sata.asl.
SBUS is defined in sb/intel/bd82x6x/acpi/smbus.asl.
EHC? is defined in sb/intel/bd82x6x/acpi/usb.asl.
XHC is defined in sb/intel/bd82x6x/acpi/usb.asl.

Change-Id: I08611b11c694ee5034bca11cb321915d5c73c2f6
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20086
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/southbridge/intel/bd82x6x/azalia.c b/src/southbridge/intel/bd82x6x/azalia.c
index c122d2a..0e974ba 100644
--- a/src/southbridge/intel/bd82x6x/azalia.c
+++ b/src/southbridge/intel/bd82x6x/azalia.c
@@ -331,6 +331,11 @@
 	pci_write_config8(dev, 0x43, reg8);
 }
 
+static const char *azalia_acpi_name(device_t dev)
+{
+	return "HDEF";
+}
+
 static void azalia_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 {
 	if (!vendor || !device) {
@@ -353,6 +358,7 @@
 	.init			= azalia_init,
 	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
+	.acpi_name		= azalia_acpi_name,
 };
 
 static const unsigned short pci_device_ids[] = { 0x1c20, 0x1e20, 0 };
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index c9fee89..209c8ed 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -814,6 +814,11 @@
 	fadt->x_gpe1_blk.addrh = 0x0;
 }
 
+static const char *lpc_acpi_name(device_t dev)
+{
+	return "LPCB";
+}
+
 static void southbridge_fill_ssdt(device_t device)
 {
 	device_t dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
@@ -841,6 +846,7 @@
 	.write_acpi_tables      = acpi_write_hpet,
 	.acpi_inject_dsdt_generator = southbridge_inject_dsdt,
 	.acpi_fill_ssdt_generator = southbridge_fill_ssdt,
+	.acpi_name		= lpc_acpi_name,
 	.init			= lpc_init,
 	.final			= lpc_final,
 	.enable			= pch_lpc_enable,
diff --git a/src/southbridge/intel/bd82x6x/pcie.c b/src/southbridge/intel/bd82x6x/pcie.c
index 91add02..a3eaba9 100644
--- a/src/southbridge/intel/bd82x6x/pcie.c
+++ b/src/southbridge/intel/bd82x6x/pcie.c
@@ -20,6 +20,7 @@
 #include <device/pciexp.h>
 #include <device/pci_ids.h>
 #include <southbridge/intel/common/pciehp.h>
+#include <assert.h>
 #include "pch.h"
 
 static void pch_pcie_pm_early(struct device *dev)
@@ -284,6 +285,26 @@
 	pch_pcie_pm_late(dev);
 }
 
+static const char *pch_pcie_acpi_name(device_t dev)
+{
+	ASSERT(dev);
+
+	if (PCI_SLOT(dev->path.pci.devfn) == 0x1c) {
+		static const char *names[] = { "RP01",
+				"RP02",
+				"RP03",
+				"RP04",
+				"RP05",
+				"RP06",
+				"RP07",
+				"RP08"};
+
+		return names[PCI_FUNC(dev->path.pci.devfn)];
+	}
+
+	return NULL;
+}
+
 static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 {
 	/* NOTE: This is not the default position! */
@@ -307,6 +328,7 @@
 	.init			= pci_init,
 	.enable			= pch_pcie_enable,
 	.scan_bus		= pch_pciexp_scan_bridge,
+	.acpi_name		= pch_pcie_acpi_name,
 	.ops_pci		= &pci_ops,
 };
 
diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c
index d217a04..ac4945d 100644
--- a/src/southbridge/intel/bd82x6x/sata.c
+++ b/src/southbridge/intel/bd82x6x/sata.c
@@ -244,6 +244,11 @@
 	}
 }
 
+static const char *sata_acpi_name(device_t dev)
+{
+	return "SATA";
+}
+
 static void sata_fill_ssdt(device_t dev)
 {
 	config_t *config = dev->chip_info;
@@ -264,6 +269,7 @@
 	.enable			= sata_enable,
 	.scan_bus		= 0,
 	.ops_pci		= &sata_pci_ops,
+	.acpi_name		= sata_acpi_name,
 };
 
 static const unsigned short pci_device_ids[] = { 0x1c00, 0x1c01, 0x1c02, 0x1c03,
diff --git a/src/southbridge/intel/bd82x6x/smbus.c b/src/southbridge/intel/bd82x6x/smbus.c
index 5778e25..c450d9b 100644
--- a/src/southbridge/intel/bd82x6x/smbus.c
+++ b/src/southbridge/intel/bd82x6x/smbus.c
@@ -143,6 +143,11 @@
 	res = pci_get_resource(dev, PCI_BASE_ADDRESS_0);
 }
 
+static const char *smbus_acpi_name(device_t dev)
+{
+	return "SBUS";
+}
+
 static struct device_operations smbus_ops = {
 	.read_resources		= smbus_read_resources,
 	.set_resources		= pci_dev_set_resources,
@@ -151,6 +156,7 @@
 	.init			= pch_smbus_init,
 	.ops_smbus_bus		= &lops_smbus_bus,
 	.ops_pci		= &smbus_pci_ops,
+	.acpi_name		= smbus_acpi_name,
 };
 
 static const unsigned short pci_device_ids[] = { 0x1c22, 0x1e22, 0 };
diff --git a/src/southbridge/intel/bd82x6x/usb_ehci.c b/src/southbridge/intel/bd82x6x/usb_ehci.c
index 2712a5b..42d7a83 100644
--- a/src/southbridge/intel/bd82x6x/usb_ehci.c
+++ b/src/southbridge/intel/bd82x6x/usb_ehci.c
@@ -94,6 +94,17 @@
 	pci_write_config8(dev, 0x80, access_cntl);
 }
 
+static const char *usb_ehci_acpi_name(device_t dev)
+{
+	switch (dev->path.pci.devfn) {
+	case PCI_DEVFN(0x1a, 0):
+		return "EHC2";
+	case PCI_DEVFN(0x1d, 0):
+		return "EHC1";
+	}
+	return NULL;
+}
+
 static struct pci_operations lops_pci = {
 	.set_subsystem	= &usb_ehci_set_subsystem,
 };
@@ -105,6 +116,7 @@
 	.init			= usb_ehci_init,
 	.scan_bus		= 0,
 	.ops_pci		= &lops_pci,
+	.acpi_name		= usb_ehci_acpi_name,
 };
 
 static const unsigned short pci_device_ids[] = { 0x1c26, 0x1c2d, 0x1e26, 0x1e2d,
diff --git a/src/southbridge/intel/bd82x6x/usb_xhci.c b/src/southbridge/intel/bd82x6x/usb_xhci.c
index 74deb52..1aeb864 100644
--- a/src/southbridge/intel/bd82x6x/usb_xhci.c
+++ b/src/southbridge/intel/bd82x6x/usb_xhci.c
@@ -51,6 +51,11 @@
 	printk(BIOS_DEBUG, "done.\n");
 }
 
+static const char *xhci_acpi_name(device_t dev)
+{
+	return "XHC";
+}
+
 static void xhci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 {
 	if (!vendor || !device) {
@@ -73,6 +78,7 @@
 	.init			= usb_xhci_init,
 	.scan_bus		= 0,
 	.ops_pci		= &xhci_pci_ops,
+	.acpi_name		= xhci_acpi_name,
 };
 
 static const unsigned short pci_device_ids[] = { 0x1e31, 0 };