Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86

- Provide serial base clock speed via getinfo() for ACPI SPCR
- Initial ACPI support from DM core by leveraging existing ACPI support
  in x86

12 files changed, 91 insertions, 12 deletions

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 3b95b5387b..a3b0399342 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -261,4 +261,13 @@ config DM_DEV_READ_INLINE
 	bool
 	default y if !OF_LIVE
 
+config ACPIGEN
+	bool "Support ACPI table generation in driver model"
+	default y if SANDBOX || GENERATE_ACPI_TABLE
+	help
+	  This option enables generation of ACPI tables using driver-model
+	  devices. It adds a new operation struct to each driver, to support
+	  things like generating device-specific tables and returning the ACPI
+	  name of a device.
+
 endmenu
diff --git a/drivers/core/Makefile b/drivers/core/Makefile
index bce7467da1..c707026a3a 100644
--- a/drivers/core/Makefile
+++ b/drivers/core/Makefile
@@ -3,6 +3,7 @@
 # Copyright (c) 2013 Google, Inc
 
 obj-y	+= device.o fdtaddr.o lists.o root.o uclass.o util.o
+obj-$(CONFIG_$(SPL_TPL_)ACPIGEN) += acpi.o
 obj-$(CONFIG_DEVRES) += devres.o
 obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE)	+= device-remove.o
 obj-$(CONFIG_$(SPL_)SIMPLE_BUS)	+= simple-bus.o
diff --git a/drivers/core/acpi.c b/drivers/core/acpi.c
new file mode 100644
index 0000000000..ba50d688fe
--- /dev/null
+++ b/drivers/core/acpi.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Core driver model support for ACPI table generation
+ *
+ * Copyright 2019 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#define LOG_CATEOGRY	LOGC_ACPI
+
+#include <common.h>
+#include <dm.h>
+#include <dm/acpi.h>
+#include <dm/root.h>
+
+int acpi_copy_name(char *out_name, const char *name)
+{
+	strncpy(out_name, name, ACPI_NAME_LEN);
+	out_name[ACPI_NAME_LEN] = '\0';
+
+	return 0;
+}
+
+int acpi_get_name(const struct udevice *dev, char *out_name)
+{
+	struct acpi_ops *aops;
+
+	aops = device_get_acpi_ops(dev);
+	if (aops && aops->get_name)
+		return aops->get_name(dev, out_name);
+
+	return -ENOSYS;
+}
diff --git a/drivers/cpu/cpu_sandbox.c b/drivers/cpu/cpu_sandbox.c
index ff87e8adca..05b384f6a4 100644
--- a/drivers/cpu/cpu_sandbox.c
+++ b/drivers/cpu/cpu_sandbox.c
@@ -19,6 +19,7 @@ int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
 {
 	info->cpu_freq = 42 * 42 * 42 * 42 * 42;
 	info->features = 0x42424242;
+	info->address_width = IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32;
 
 	return 0;
 }
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index e2882e3b63..d2e10d6868 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -536,6 +536,8 @@ int pci_auto_config_devices(struct udevice *bus)
 		int ret;
 
 		debug("%s: device %s\n", __func__, dev->name);
+		if (dev_read_bool(dev, "pci,no-autoconfig"))
+			continue;
 		ret = dm_pciauto_config_device(dev);
 		if (ret < 0)
 			return ret;
@@ -1211,7 +1213,14 @@ u32 dm_pci_read_bar32(const struct udevice *dev, int barnum)
 
 	bar = PCI_BASE_ADDRESS_0 + barnum * 4;
 	dm_pci_read_config32(dev, bar, &addr);
-	if (addr & PCI_BASE_ADDRESS_SPACE_IO)
+
+	/*
+	 * If we get an invalid address, return this so that comparisons with
+	 * FDT_ADDR_T_NONE work correctly
+	 */
+	if (addr == 0xffffffff)
+		return addr;
+	else if (addr & PCI_BASE_ADDRESS_SPACE_IO)
 		return addr & PCI_BASE_ADDRESS_IO_MASK;
 	else
 		return addr & PCI_BASE_ADDRESS_MEM_MASK;
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 90f224b045..6b17f18bc0 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -33,12 +33,10 @@
 #include <vbe.h>
 #include <video.h>
 #include <video_fb.h>
+#include <acpi/acpi_s3.h>
 #include <linux/screen_info.h>
 
-#ifdef CONFIG_X86
-#include <acpi_s3.h>
 DECLARE_GLOBAL_DATA_PTR;
-#endif
 
 __weak bool board_should_run_oprom(struct udevice *dev)
 {
diff --git a/drivers/power/acpi_pmc/acpi-pmc-uclass.c b/drivers/power/acpi_pmc/acpi-pmc-uclass.c
index d43de87126..1c79f835c6 100644
--- a/drivers/power/acpi_pmc/acpi-pmc-uclass.c
+++ b/drivers/power/acpi_pmc/acpi-pmc-uclass.c
@@ -6,9 +6,9 @@
 #define LOG_CATEGORY UCLASS_ACPI_PMC
 
 #include <common.h>
-#include <acpi_s3.h>
 #include <dm.h>
 #include <log.h>
+#include <acpi/acpi_s3.h>
 #ifdef CONFIG_X86
 #include <asm/intel_pinctrl.h>
 #endif
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index a2f1b35629..6415d2e1e5 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -476,6 +476,8 @@ static int ns16550_serial_getinfo(struct udevice *dev,
 	info->reg_width = plat->reg_width;
 	info->reg_shift = plat->reg_shift;
 	info->reg_offset = plat->reg_offset;
+	info->clock = plat->clock;
+
 	return 0;
 }
 
diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c
index 1af5cc12f3..545ff3f747 100644
--- a/drivers/serial/sandbox.c
+++ b/drivers/serial/sandbox.c
@@ -198,6 +198,7 @@ static int sandbox_serial_getinfo(struct udevice *dev,
 		.reg_width = 1,
 		.reg_offset = 0,
 		.reg_shift = 0,
+		.clock = SERIAL_DEFAULT_CLOCK,
 	};
 
 	if (!serial_info)
diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c
index 8e2d1eaa7a..bc91143560 100644
--- a/drivers/sysreset/sysreset_x86.c
+++ b/drivers/sysreset/sysreset_x86.c
@@ -6,11 +6,11 @@
  */
 
 #include <common.h>
-#include <acpi_s3.h>
 #include <dm.h>
 #include <efi_loader.h>
 #include <pch.h>
 #include <sysreset.h>
+#include <acpi/acpi_s3.h>
 #include <asm/io.h>
 #include <asm/processor.h>
 
diff --git a/drivers/tpm/cr50_i2c.c b/drivers/tpm/cr50_i2c.c
index b904a7d426..b67051af26 100644
--- a/drivers/tpm/cr50_i2c.c
+++ b/drivers/tpm/cr50_i2c.c
@@ -34,6 +34,15 @@ enum {
 	CR50_MAX_BUF_SIZE = 63,
 };
 
+/**
+ * struct cr50_priv - Private driver data
+ *
+ * @ready_gpio: GPIO to use to check if the TPM is ready
+ * @irq: IRQ to use check if the TPM is ready (has priority over @ready_gpio)
+ * @locality: Currenttly claimed locality (-1 if none)
+ * @vendor: vendor: Vendor ID for TPM
+ * @use_irq: true to use @irq, false to use @ready if available
+ */
 struct cr50_priv {
 	struct gpio_desc ready_gpio;
 	struct irq irq;
@@ -206,7 +215,7 @@ static int release_locality(struct udevice *dev, int force)
 		cr50_i2c_write(dev, addr, &buf, 1);
 	}
 
-	priv->locality = 0;
+	priv->locality = -1;
 
 	return 0;
 }
@@ -499,6 +508,7 @@ static int process_reset(struct udevice *dev)
 static int claim_locality(struct udevice *dev, int loc)
 {
 	const u8 mask = TPM_ACCESS_VALID | TPM_ACCESS_ACTIVE_LOCALITY;
+	struct cr50_priv *priv = dev_get_priv(dev);
 	u8 access;
 	int ret;
 
@@ -525,6 +535,7 @@ static int claim_locality(struct udevice *dev, int loc)
 		return -EPERM;
 	}
 	log_info("Claimed locality %d\n", loc);
+	priv->locality = loc;
 
 	return 0;
 }
@@ -559,7 +570,11 @@ static int cr50_i2c_open(struct udevice *dev)
 
 static int cr50_i2c_cleanup(struct udevice *dev)
 {
-	release_locality(dev, 1);
+	struct cr50_priv *priv = dev_get_priv(dev);
+
+	printf("%s: cleanup %d\n", __func__, priv->locality);
+	if (priv->locality != -1)
+		release_locality(dev, 1);
 
 	return 0;
 }
@@ -592,7 +607,7 @@ static int cr50_i2c_ofdata_to_platdata(struct udevice *dev)
 		priv->irq = irq;
 		priv->use_irq = true;
 	} else {
-		ret = gpio_request_by_name(dev, "ready-gpio", 0,
+		ret = gpio_request_by_name(dev, "ready-gpios", 0,
 					   &priv->ready_gpio, GPIOD_IS_IN);
 		if (ret) {
 			log_warning("Cr50 does not have an ready GPIO/interrupt (err=%d)\n",
@@ -631,6 +646,7 @@ static int cr50_i2c_probe(struct udevice *dev)
 		return log_msg_ret("vendor-id", -EXDEV);
 	}
 	priv->vendor = vendor;
+	priv->locality = -1;
 
 	return 0;
 }
@@ -655,5 +671,7 @@ U_BOOT_DRIVER(cr50_i2c) = {
 	.ops    = &cr50_i2c_ops,
 	.ofdata_to_platdata	= cr50_i2c_ofdata_to_platdata,
 	.probe	= cr50_i2c_probe,
+	.remove	= cr50_i2c_cleanup,
 	.priv_auto_alloc_size = sizeof(struct cr50_priv),
+	.flags		= DM_FLAG_OS_PREPARE,
 };
diff --git a/drivers/tpm/tpm-uclass.c b/drivers/tpm/tpm-uclass.c
index 1b11c93194..71d5807006 100644
--- a/drivers/tpm/tpm-uclass.c
+++ b/drivers/tpm/tpm-uclass.c
@@ -72,7 +72,7 @@ int tpm_xfer(struct udevice *dev, const uint8_t *sendbuf, size_t send_size,
 	struct tpm_ops *ops = tpm_get_ops(dev);
 	ulong start, stop;
 	uint count, ordinal;
-	int ret, ret2;
+	int ret, ret2 = 0;
 
 	if (ops->xfer)
 		return ops->xfer(dev, sendbuf, send_size, recvbuf, recv_size);
@@ -120,9 +120,16 @@ int tpm_xfer(struct udevice *dev, const uint8_t *sendbuf, size_t send_size,
 		}
 	} while (ret);
 
-	ret2 = ops->cleanup ? ops->cleanup(dev) : 0;
+	if (ret) {
+		if (ops->cleanup) {
+			ret2 = ops->cleanup(dev);
+			if (ret2)
+				return log_msg_ret("cleanup", ret2);
+		}
+		return log_msg_ret("xfer", ret);
+	}
 
-	return ret2 ? ret2 : ret;
+	return 0;
 }
 
 UCLASS_DRIVER(tpm) = {