From 02fcc887829bc0bf4e98f591de2a199d6a69f2ba Mon Sep 17 00:00:00 2001
From: Duncan Laurie <dlaurie@chromium.org>
Date: Mon, 27 Jun 2016 10:51:17 -0700
Subject: soc/intel/apollolake: Add function to translate device into ACPI name

Add support for the soc_acpi_name() handler in the device operations
structure to translate a device path into ACPI name.

In order to make this more complete add some missing devices in
include/soc/pci_devs.h.

Change-Id: I517bc86d8d9fe70bfa0fc4eb3828681887239587
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/15479
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/soc/intel/apollolake/chip.c                 | 67 +++++++++++++++++++++++++
 src/soc/intel/apollolake/include/soc/pci_devs.h | 13 +++++
 2 files changed, 80 insertions(+)

(limited to 'src')

diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index b2afc4a72f..68459e602a 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -39,6 +39,72 @@
 static void *vbt;
 static struct region_device vbt_rdev;
 
+static const char *soc_acpi_name(struct device *dev)
+{
+	if (dev->path.type == DEVICE_PATH_DOMAIN)
+		return "PCI0";
+
+	if (dev->path.type != DEVICE_PATH_PCI)
+		return NULL;
+
+	switch (dev->path.pci.devfn) {
+	/* DSDT: acpi/northbridge.asl */
+	case NB_DEVFN:
+		return "MCHC";
+	/* DSDT: acpi/lpc.asl */
+	case LPC_DEVFN:
+		return "LPCB";
+	/* DSDT: acpi/xhci.asl */
+	case XHCI_DEVFN:
+		return "XHCI";
+	/* DSDT: acpi/pch_hda.asl */
+	case HDA_DEVFN:
+		return "HDAS";
+	/* DSDT: acpi/lpss.asl */
+	case LPSS_DEVFN_UART0:
+		return "URT1";
+	case LPSS_DEVFN_UART1:
+		return "URT2";
+	case LPSS_DEVFN_UART2:
+		return "URT3";
+	case LPSS_DEVFN_UART3:
+		return "URT4";
+	case LPSS_DEVFN_SPI0:
+		return "SPI1";
+	case LPSS_DEVFN_SPI1:
+		return "SPI2";
+	case LPSS_DEVFN_SPI2:
+		return "SPI3";
+	case LPSS_DEVFN_PWM:
+		return "PWM";
+	case LPSS_DEVFN_I2C0:
+		return "I2C0";
+	case LPSS_DEVFN_I2C1:
+		return "I2C1";
+	case LPSS_DEVFN_I2C2:
+		return "I2C2";
+	case LPSS_DEVFN_I2C3:
+		return "I2C3";
+	case LPSS_DEVFN_I2C4:
+		return "I2C4";
+	case LPSS_DEVFN_I2C5:
+		return "I2C5";
+	case LPSS_DEVFN_I2C6:
+		return "I2C6";
+	case LPSS_DEVFN_I2C7:
+		return "I2C7";
+	/* Storage */
+	case SDCARD_DEVFN:
+		return "SDCD";
+	case EMMC_DEVFN:
+		return "EMMC";
+	case SDIO_DEVFN:
+		return "SDIO";
+	}
+
+	return NULL;
+}
+
 static void pci_domain_set_resources(device_t dev)
 {
        assign_resources(dev->link_list);
@@ -51,6 +117,7 @@ static struct device_operations pci_domain_ops = {
 	.init = NULL,
 	.scan_bus = pci_domain_scan_bus,
 	.ops_pci_bus = pci_bus_default_ops,
+	.acpi_name = &soc_acpi_name,
 };
 
 static struct device_operations cpu_bus_ops = {
diff --git a/src/soc/intel/apollolake/include/soc/pci_devs.h b/src/soc/intel/apollolake/include/soc/pci_devs.h
index 88a7a070dd..f29784d974 100644
--- a/src/soc/intel/apollolake/include/soc/pci_devs.h
+++ b/src/soc/intel/apollolake/include/soc/pci_devs.h
@@ -35,8 +35,16 @@
 #define NB_DEV_ROOT			_PCI_DEV(0x0, 0)
 
 #define P2SB_DEV			_PCI_DEV(0xd, 0)
+#define P2SB_DEVFN			_PCI_DEVFN(0xd, 0)
+
 #define PMC_DEV				_PCI_DEV(0xd, 1)
+#define PMC_DEVFN			_PCI_DEVFN(0xd, 1)
+
 #define SPI_DEV				_PCI_DEV(0xd, 2)
+#define SPI_DEVFN			_PCI_DEVFN(0xd, 2)
+
+#define HDA_DEV				_PCI_DEV(0xe, 0)
+#define HDA_DEVFN			_PCI_DEVFN(0xe, 0)
 
 #define ISH_DEV				_PCI_DEV(0x11, 0)
 #define ISH_DEVFN			_PCI_DEVFN(0x11, 0)
@@ -86,6 +94,10 @@
 #define  LPSS_DEVFN_SPI1		_LPSS_PCI_DEVFN(SPI, 1)
 #define  LPSS_DEVFN_SPI2		_LPSS_PCI_DEVFN(SPI, 2)
 
+/* LPSS PWM */
+#define LPSS_DEV_SLOT_PWM		0x1a
+#define  LPSS_DEVFN_PWM			_LPSS_PCI_DEVFN(PWM, 0)
+
 #define SDCARD_DEV			_PCI_DEV(0x1b, 0)
 #define SDCARD_DEVFN			_PCI_DEVFN(0x1b, 0)
 
@@ -100,4 +112,5 @@
 
 #define SMBUS_DEV			_PCI_DEV(0x1f, 1)
 #define SMBUS_DEVFN			_PCI_DEVFN(0x1f, 1)
+
 #endif
-- 
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