Merge git://git.denx.de/u-boot-x86

44 files changed, 1639 insertions, 616 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 20083e68c3..cbbaa4f2ce 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -69,6 +69,21 @@ config X86_RESET_VECTOR
 	bool
 	default n
 
+config RESET_SEG_START
+	hex
+	depends on X86_RESET_VECTOR
+	default 0xffff0000
+
+config RESET_SEG_SIZE
+	hex
+	depends on X86_RESET_VECTOR
+	default 0x10000
+
+config RESET_VEC_LOC
+	hex
+	depends on X86_RESET_VECTOR
+	default 0xfffffff0
+
 config SYS_X86_START16
 	hex
 	depends on X86_RESET_VECTOR
@@ -173,14 +188,6 @@ config X86_RAMTEST
 	  to work correctly. It is not exhaustive but can save time by
 	  detecting obvious failures.
 
-config MARK_GRAPHICS_MEM_WRCOMB
-	bool "Mark graphics memory as write-combining"
-	default n
-	help
-	  The graphics performance may increase if the graphics
-	  memory is set as write-combining cache type. This option
-	  enables marking the graphics memory as write-combining.
-
 config HAVE_FSP
 	bool "Add an Firmware Support Package binary"
 	help
@@ -220,17 +227,6 @@ config FSP_TEMP_RAM_ADDR
 	  Stack top address which is used in FspInit after DRAM is ready and
 	  CAR is disabled.
 
-config MAX_CPUS
-        int "Maximum number of CPUs permitted"
-        default 4
-        help
-          When using multi-CPU chips it is possible for U-Boot to start up
-          more than one CPU. The stack memory used by all of these CPUs is
-          pre-allocated so at present U-Boot wants to know the maximum
-          number of CPUs that may be present. Set this to at least as high
-          as the number of CPUs in your system (it uses about 4KB of RAM for
-          each CPU).
-
 config SMP
 	bool "Enable Symmetric Multiprocessing"
 	default n
@@ -241,8 +237,21 @@ config SMP
 	  only one CPU will be enabled regardless of the number of CPUs
 	  available.
 
+config MAX_CPUS
+	int "Maximum number of CPUs permitted"
+	depends on SMP
+	default 4
+	help
+	  When using multi-CPU chips it is possible for U-Boot to start up
+	  more than one CPU. The stack memory used by all of these CPUs is
+	  pre-allocated so at present U-Boot wants to know the maximum
+	  number of CPUs that may be present. Set this to at least as high
+	  as the number of CPUs in your system (it uses about 4KB of RAM for
+	  each CPU).
+
 config AP_STACK_SIZE
 	hex
+	depends on SMP
 	default 0x1000
 	help
 	  Each additional CPU started by U-Boot requires its own stack. This
@@ -270,6 +279,28 @@ config TSC_FREQ_IN_MHZ
 	help
 	  The running frequency in MHz of Time-Stamp Counter (TSC).
 
+config HAVE_VGA_BIOS
+	bool "Add a VGA BIOS image"
+	help
+	  Select this option if you have a VGA BIOS image that you would
+	  like to add to your ROM.
+
+config VGA_BIOS_FILE
+	string "VGA BIOS image filename"
+	depends on HAVE_VGA_BIOS
+	default "vga.bin"
+	help
+	  The filename of the VGA BIOS image in the board directory.
+
+config VGA_BIOS_ADDR
+	hex "VGA BIOS image location"
+	depends on HAVE_VGA_BIOS
+	default 0xfff90000
+	help
+	  The location of VGA BIOS image in the SPI flash. For example, base
+	  address of 0xfff90000 indicates that the image will be put at offset
+	  0x90000 from the beginning of a 1MB flash device.
+
 menu "System tables"
 
 config GENERATE_PIRQ_TABLE
@@ -296,6 +327,15 @@ config GENERATE_SFI_TABLE
 
 	  For more information, see http://simplefirmware.org
 
+config GENERATE_MP_TABLE
+	bool "Generate an MP (Multi-Processor) table"
+	default n
+	help
+	  Generate an MP (Multi-Processor) table for this board. The MP table
+	  provides a way for the operating system to support for symmetric
+	  multiprocessing as well as symmetric I/O interrupt handling with
+	  the local APIC and I/O APIC.
+
 endmenu
 
 config MAX_PIRQ_LINKS
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 7ff05e6628..8a8e63e1d3 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -10,7 +10,7 @@
 
 extra-y	= start.o
 obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
-obj-y	+= interrupts.o cpu.o call64.o
+obj-y	+= interrupts.o cpu.o cpu_x86.o call64.o
 
 obj-$(CONFIG_INTEL_BAYTRAIL) += baytrail/
 obj-$(CONFIG_SYS_COREBOOT) += coreboot/
@@ -19,7 +19,7 @@ obj-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ivybridge/
 obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/
 obj-$(CONFIG_INTEL_QUARK) += quark/
 obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/
-obj-y += irq.o lapic.o
+obj-y += irq.o lapic.o ioapic.o
 obj-$(CONFIG_SMP) += mp_init.o
 obj-y += mtrr.o
 obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/x86/cpu/baytrail/Makefile b/arch/x86/cpu/baytrail/Makefile
index c78b644eb7..5be5491643 100644
--- a/arch/x86/cpu/baytrail/Makefile
+++ b/arch/x86/cpu/baytrail/Makefile
@@ -7,5 +7,4 @@
 obj-y += cpu.o
 obj-y += early_uart.o
 obj-y += fsp_configs.o
-obj-y += pci.o
 obj-y += valleyview.o
diff --git a/arch/x86/cpu/baytrail/cpu.c b/arch/x86/cpu/baytrail/cpu.c
index 1d482064b2..a0117308ae 100644
--- a/arch/x86/cpu/baytrail/cpu.c
+++ b/arch/x86/cpu/baytrail/cpu.c
@@ -10,79 +10,11 @@
 #include <cpu.h>
 #include <dm.h>
 #include <asm/cpu.h>
+#include <asm/cpu_x86.h>
 #include <asm/lapic.h>
-#include <asm/mp.h>
 #include <asm/msr.h>
 #include <asm/turbo.h>
 
-#ifdef CONFIG_SMP
-static int enable_smis(struct udevice *cpu, void *unused)
-{
-	return 0;
-}
-
-static struct mp_flight_record mp_steps[] = {
-	MP_FR_BLOCK_APS(mp_init_cpu, NULL, mp_init_cpu, NULL),
-	/* Wait for APs to finish initialization before proceeding. */
-	MP_FR_BLOCK_APS(NULL, NULL, enable_smis, NULL),
-};
-
-static int detect_num_cpus(void)
-{
-	int ecx = 0;
-
-	/*
-	 * Use the algorithm described in Intel 64 and IA-32 Architectures
-	 * Software Developer's Manual Volume 3 (3A, 3B & 3C): System
-	 * Programming Guide, Jan-2015. Section 8.9.2: Hierarchical Mapping
-	 * of CPUID Extended Topology Leaf.
-	 */
-	while (1) {
-		struct cpuid_result leaf_b;
-
-		leaf_b = cpuid_ext(0xb, ecx);
-
-		/*
-		 * Bay Trail doesn't have hyperthreading so just determine the
-		 * number of cores by from level type (ecx[15:8] == * 2)
-		 */
-		if ((leaf_b.ecx & 0xff00) == 0x0200)
-			return leaf_b.ebx & 0xffff;
-		ecx++;
-	}
-}
-
-static int baytrail_init_cpus(void)
-{
-	struct mp_params mp_params;
-
-	lapic_setup();
-
-	mp_params.num_cpus = detect_num_cpus();
-	mp_params.parallel_microcode_load = 0,
-	mp_params.flight_plan = &mp_steps[0];
-	mp_params.num_records = ARRAY_SIZE(mp_steps);
-	mp_params.microcode_pointer = 0;
-
-	if (mp_init(&mp_params)) {
-		printf("Warning: MP init failure\n");
-		return -EIO;
-	}
-
-	return 0;
-}
-#endif
-
-int x86_init_cpus(void)
-{
-#ifdef CONFIG_SMP
-	debug("Init additional CPUs\n");
-	baytrail_init_cpus();
-#endif
-
-	return 0;
-}
-
 static void set_max_freq(void)
 {
 	msr_t perf_ctl;
@@ -175,19 +107,38 @@ static int baytrail_get_info(struct udevice *dev, struct cpu_info *info)
 	return 0;
 }
 
-static int cpu_x86_baytrail_bind(struct udevice *dev)
+static int baytrail_get_count(struct udevice *dev)
 {
-	struct cpu_platdata *plat = dev_get_parent_platdata(dev);
+	int ecx = 0;
+
+	/*
+	 * Use the algorithm described in Intel 64 and IA-32 Architectures
+	 * Software Developer's Manual Volume 3 (3A, 3B & 3C): System
+	 * Programming Guide, Jan-2015. Section 8.9.2: Hierarchical Mapping
+	 * of CPUID Extended Topology Leaf.
+	 */
+	while (1) {
+		struct cpuid_result leaf_b;
+
+		leaf_b = cpuid_ext(0xb, ecx);
+
+		/*
+		 * Bay Trail doesn't have hyperthreading so just determine the
+		 * number of cores by from level type (ecx[15:8] == * 2)
+		 */
+		if ((leaf_b.ecx & 0xff00) == 0x0200)
+			return leaf_b.ebx & 0xffff;
 
-	plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
-				      "intel,apic-id", -1);
+		ecx++;
+	}
 
 	return 0;
 }
 
 static const struct cpu_ops cpu_x86_baytrail_ops = {
-	.get_desc	= x86_cpu_get_desc,
+	.get_desc	= cpu_x86_get_desc,
 	.get_info	= baytrail_get_info,
+	.get_count	= baytrail_get_count,
 };
 
 static const struct udevice_id cpu_x86_baytrail_ids[] = {
@@ -199,7 +150,7 @@ U_BOOT_DRIVER(cpu_x86_baytrail_drv) = {
 	.name		= "cpu_x86_baytrail",
 	.id		= UCLASS_CPU,
 	.of_match	= cpu_x86_baytrail_ids,
-	.bind		= cpu_x86_baytrail_bind,
+	.bind		= cpu_x86_bind,
 	.probe		= cpu_x86_baytrail_probe,
 	.ops		= &cpu_x86_baytrail_ops,
 };
diff --git a/arch/x86/cpu/baytrail/pci.c b/arch/x86/cpu/baytrail/pci.c
deleted file mode 100644
index 48409de5c4..0000000000
--- a/arch/x86/cpu/baytrail/pci.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <pci.h>
-#include <asm/pci.h>
-#include <asm/fsp/fsp_support.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void board_pci_setup_hose(struct pci_controller *hose)
-{
-	hose->first_busno = 0;
-	hose->last_busno = 0;
-
-	/* PCI memory space */
-	pci_set_region(hose->regions + 0,
-		       CONFIG_PCI_MEM_BUS,
-		       CONFIG_PCI_MEM_PHYS,
-		       CONFIG_PCI_MEM_SIZE,
-		       PCI_REGION_MEM);
-
-	/* PCI IO space */
-	pci_set_region(hose->regions + 1,
-		       CONFIG_PCI_IO_BUS,
-		       CONFIG_PCI_IO_PHYS,
-		       CONFIG_PCI_IO_SIZE,
-		       PCI_REGION_IO);
-
-	pci_set_region(hose->regions + 2,
-		       CONFIG_PCI_PREF_BUS,
-		       CONFIG_PCI_PREF_PHYS,
-		       CONFIG_PCI_PREF_SIZE,
-		       PCI_REGION_PREFETCH);
-
-	pci_set_region(hose->regions + 3,
-		       0,
-		       0,
-		       gd->ram_size < 0x80000000 ? gd->ram_size : 0x80000000,
-		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
-	hose->region_count = 4;
-}
diff --git a/arch/x86/cpu/config.mk b/arch/x86/cpu/config.mk
index 4c4d0c7cd2..1263221e69 100644
--- a/arch/x86/cpu/config.mk
+++ b/arch/x86/cpu/config.mk
@@ -10,8 +10,8 @@ CROSS_COMPILE ?= i386-linux-
 PLATFORM_CPPFLAGS += -D__I386__
 
 # DO NOT MODIFY THE FOLLOWING UNLESS YOU REALLY KNOW WHAT YOU ARE DOING!
-LDPPFLAGS += -DRESET_SEG_START=0xffff0000
-LDPPFLAGS += -DRESET_SEG_SIZE=0x10000
-LDPPFLAGS += -DRESET_VEC_LOC=0xfffffff0
+LDPPFLAGS += -DRESET_SEG_START=$(CONFIG_RESET_SEG_START)
+LDPPFLAGS += -DRESET_SEG_SIZE=$(CONFIG_RESET_SEG_SIZE)
+LDPPFLAGS += -DRESET_VEC_LOC=$(CONFIG_RESET_VEC_LOC)
 LDPPFLAGS += -DSTART_16=$(CONFIG_SYS_X86_START16)
 LDPPFLAGS += -DRESET_BASE="CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE)"
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c
index 67eb14ce99..41e29a6086 100644
--- a/arch/x86/cpu/coreboot/pci.c
+++ b/arch/x86/cpu/coreboot/pci.c
@@ -11,29 +11,7 @@
 
 #include <common.h>
 #include <dm.h>
-#include <errno.h>
 #include <pci.h>
-#include <asm/io.h>
-#include <asm/pci.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static const struct dm_pci_ops pci_x86_ops = {
-	.read_config	= pci_x86_read_config,
-	.write_config	= pci_x86_write_config,
-};
-
-static const struct udevice_id pci_x86_ids[] = {
-	{ .compatible = "pci-x86" },
-	{ }
-};
-
-U_BOOT_DRIVER(pci_x86_drv) = {
-	.name		= "pci_x86",
-	.id		= UCLASS_PCI,
-	.of_match	= pci_x86_ids,
-	.ops		= &pci_x86_ops,
-};
 
 static const struct udevice_id generic_pch_ids[] = {
 	{ .compatible = "intel,pch" },
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index bb4a110c00..af927b94e0 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -21,12 +21,15 @@
 
 #include <common.h>
 #include <command.h>
-#include <cpu.h>
 #include <dm.h>
 #include <errno.h>
 #include <malloc.h>
 #include <asm/control_regs.h>
 #include <asm/cpu.h>
+#include <asm/lapic.h>
+#include <asm/mp.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
 #include <asm/post.h>
 #include <asm/processor.h>
 #include <asm/processor-flags.h>
@@ -164,6 +167,26 @@ void setup_gdt(gd_t *id, u64 *gdt_addr)
 	load_fs(X86_GDT_ENTRY_32BIT_FS);
 }
 
+#ifdef CONFIG_HAVE_FSP
+/*
+ * Setup FSP execution environment GDT
+ *
+ * Per Intel FSP external architecture specification, before calling any FSP
+ * APIs, we need make sure the system is in flat 32-bit mode and both the code
+ * and data selectors should have full 4GB access range. Here we reuse the one
+ * we used in arch/x86/cpu/start16.S, and reload the segement registers.
+ */
+void setup_fsp_gdt(void)
+{
+	load_gdt((const u64 *)(gdt_rom + CONFIG_RESET_SEG_START), 4);
+	load_ds(X86_GDT_ENTRY_32BIT_DS);
+	load_ss(X86_GDT_ENTRY_32BIT_DS);
+	load_es(X86_GDT_ENTRY_32BIT_DS);
+	load_fs(X86_GDT_ENTRY_32BIT_DS);
+	load_gs(X86_GDT_ENTRY_32BIT_DS);
+}
+#endif
+
 int __weak x86_cleanup_before_linux(void)
 {
 #ifdef CONFIG_BOOTSTAGE_STASH
@@ -330,6 +353,28 @@ int x86_cpu_init_f(void)
 
 		gd->arch.has_mtrr = has_mtrr();
 	}
+	/* Don't allow PCI region 3 to use memory in the 2-4GB memory hole */
+	gd->pci_ram_top = 0x80000000U;
+
+	/* Configure fixed range MTRRs for some legacy regions */
+	if (gd->arch.has_mtrr) {
+		u64 mtrr_cap;
+
+		mtrr_cap = native_read_msr(MTRR_CAP_MSR);
+		if (mtrr_cap & MTRR_CAP_FIX) {
+			/* Mark the VGA RAM area as uncacheable */
+			native_write_msr(MTRR_FIX_16K_A0000_MSR, 0, 0);
+
+			/* Mark the PCI ROM area as uncacheable */
+			native_write_msr(MTRR_FIX_4K_C0000_MSR, 0, 0);
+			native_write_msr(MTRR_FIX_4K_C8000_MSR, 0, 0);
+			native_write_msr(MTRR_FIX_4K_D0000_MSR, 0, 0);
+			native_write_msr(MTRR_FIX_4K_D8000_MSR, 0, 0);
+
+			/* Enable the fixed range MTRRs */
+			msr_setbits_64(MTRR_DEF_TYPE_MSR, MTRR_DEF_TYPE_FIX_EN);
+		}
+	}
 
 	return 0;
 }
@@ -520,16 +565,6 @@ char *cpu_get_name(char *name)
 	return ptr;
 }
 
-int x86_cpu_get_desc(struct udevice *dev, char *buf, int size)
-{
-	if (size < CPU_MAX_NAME_LEN)
-		return -ENOSPC;
-
-	cpu_get_name(buf);
-
-	return 0;
-}
-
 int default_print_cpuinfo(void)
 {
 	printf("CPU: %s, vendor %s, device %xh\n",
@@ -613,28 +648,47 @@ int last_stage_init(void)
 }
 #endif
 
-__weak int x86_init_cpus(void)
+#ifdef CONFIG_SMP
+static int enable_smis(struct udevice *cpu, void *unused)
 {
 	return 0;
 }
 
-int cpu_init_r(void)
+static struct mp_flight_record mp_steps[] = {
+	MP_FR_BLOCK_APS(mp_init_cpu, NULL, mp_init_cpu, NULL),
+	/* Wait for APs to finish initialization before proceeding */
+	MP_FR_BLOCK_APS(NULL, NULL, enable_smis, NULL),
+};
+
+static int x86_mp_init(void)
 {
-	return x86_init_cpus();
+	struct mp_params mp_params;
+
+	mp_params.parallel_microcode_load = 0,
+	mp_params.flight_plan = &mp_steps[0];
+	mp_params.num_records = ARRAY_SIZE(mp_steps);
+	mp_params.microcode_pointer = 0;
+
+	if (mp_init(&mp_params)) {
+		printf("Warning: MP init failure\n");
+		return -EIO;
+	}
+
+	return 0;
 }
+#endif
 
-static const struct cpu_ops cpu_x86_ops = {
-	.get_desc	= x86_cpu_get_desc,
-};
+__weak int x86_init_cpus(void)
+{
+#ifdef CONFIG_SMP
+	debug("Init additional CPUs\n");
+	x86_mp_init();
+#endif
 
-static const struct udevice_id cpu_x86_ids[] = {
-	{ .compatible = "cpu-x86" },
-	{ }
-};
+	return 0;
+}
 
-U_BOOT_DRIVER(cpu_x86_drv) = {
-	.name		= "cpu_x86",
-	.id		= UCLASS_CPU,
-	.of_match	= cpu_x86_ids,
-	.ops		= &cpu_x86_ops,
-};
+int cpu_init_r(void)
+{
+	return x86_init_cpus();
+}
diff --git a/arch/x86/cpu/cpu_x86.c b/arch/x86/cpu/cpu_x86.c
new file mode 100644
index 0000000000..09410416a1
--- /dev/null
+++ b/arch/x86/cpu/cpu_x86.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <cpu.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/cpu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int cpu_x86_bind(struct udevice *dev)
+{
+	struct cpu_platdata *plat = dev_get_parent_platdata(dev);
+
+	plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+				      "intel,apic-id", -1);
+
+	return 0;
+}
+
+int cpu_x86_get_desc(struct udevice *dev, char *buf, int size)
+{
+	if (size < CPU_MAX_NAME_LEN)
+		return -ENOSPC;
+
+	cpu_get_name(buf);
+
+	return 0;
+}
+
+static int cpu_x86_get_count(struct udevice *dev)
+{
+	int node, cpu;
+	int num = 0;
+
+	node = fdt_path_offset(gd->fdt_blob, "/cpus");
+	if (node < 0)
+		return -ENOENT;
+
+	for (cpu = fdt_first_subnode(gd->fdt_blob, node);
+	     cpu >= 0;
+	     cpu = fdt_next_subnode(gd->fdt_blob, cpu)) {
+		const char *device_type;
+
+		device_type = fdt_getprop(gd->fdt_blob, cpu,
+					  "device_type", NULL);
+		if (!device_type)
+			continue;
+		if (strcmp(device_type, "cpu") == 0)
+			num++;
+	}
+
+	return num;
+}
+
+static const struct cpu_ops cpu_x86_ops = {
+	.get_desc	= cpu_x86_get_desc,
+	.get_count	= cpu_x86_get_count,
+};
+
+static const struct udevice_id cpu_x86_ids[] = {
+	{ .compatible = "cpu-x86" },
+	{ }
+};
+
+U_BOOT_DRIVER(cpu_x86_drv) = {
+	.name		= "cpu_x86",
+	.id		= UCLASS_CPU,
+	.of_match	= cpu_x86_ids,
+	.bind		= cpu_x86_bind,
+	.ops		= &cpu_x86_ops,
+};
diff --git a/arch/x86/cpu/ioapic.c b/arch/x86/cpu/ioapic.c
new file mode 100644
index 0000000000..112a9c63b4
--- /dev/null
+++ b/arch/x86/cpu/ioapic.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/ioapic.h>
+
+u32 io_apic_read(u32 reg)
+{
+	writel(reg, IO_APIC_INDEX);
+	return readl(IO_APIC_DATA);
+}
+
+void io_apic_write(u32 reg, u32 val)
+{
+	writel(reg, IO_APIC_INDEX);
+	writel(val, IO_APIC_DATA);
+}
diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index 74b89ad2ff..97dd000039 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -58,17 +58,28 @@ void pirq_assign_irq(int link, u8 irq)
 		writeb(irq, irq_router.ibase + LINK_N2V(link, base));
 }
 
-static inline void fill_irq_info(struct irq_info **slotp, int *entries, u8 bus,
-				 u8 device, u8 func, u8 pin, u8 pirq)
+static struct irq_info *check_dup_entry(struct irq_info *slot_base,
+					int entry_num, int bus, int device)
 {
-	struct irq_info *slot = *slotp;
+	struct irq_info *slot = slot_base;
+	int i;
+
+	for (i = 0; i < entry_num; i++) {
+		if (slot->bus == bus && slot->devfn == (device << 3))
+			break;
+		slot++;
+	}
 
+	return (i == entry_num) ? NULL : slot;
+}
+
+static inline void fill_irq_info(struct irq_info *slot, int bus, int device,
+				 int pin, int pirq)
+{
 	slot->bus = bus;
-	slot->devfn = (device << 3) | func;
+	slot->devfn = (device << 3) | 0;
 	slot->irq[pin - 1].link = LINK_N2V(pirq, irq_router.link_base);
 	slot->irq[pin - 1].bitmap = irq_router.irq_mask;
-	(*entries)++;
-	(*slotp)++;
 }
 
 __weak void cpu_irq_init(void)
@@ -84,7 +95,7 @@ static int create_pirq_routing_table(void)
 	int len, count;
 	const u32 *cell;
 	struct irq_routing_table *rt;
-	struct irq_info *slot;
+	struct irq_info *slot, *slot_base;
 	int irq_entries = 0;
 	int i;
 	int ret;
@@ -161,13 +172,13 @@ static int create_pirq_routing_table(void)
 	/* Populate the PIRQ table fields */
 	rt->signature = PIRQ_SIGNATURE;
 	rt->version = PIRQ_VERSION;
-	rt->rtr_bus = 0;
+	rt->rtr_bus = PCI_BUS(irq_router.bdf);
 	rt->rtr_devfn = (PCI_DEV(irq_router.bdf) << 3) |
 			PCI_FUNC(irq_router.bdf);
 	rt->rtr_vendor = PCI_VENDOR_ID_INTEL;
 	rt->rtr_device = PCI_DEVICE_ID_INTEL_ICH7_31;
 
-	slot = rt->slots;
+	slot_base = rt->slots;
 
 	/* Now fill in the irq_info entries in the PIRQ table */
 	for (i = 0; i < count; i++) {
@@ -181,9 +192,44 @@ static int create_pirq_routing_table(void)
 		      i, PCI_BUS(pr.bdf), PCI_DEV(pr.bdf),
 		      PCI_FUNC(pr.bdf), 'A' + pr.pin - 1,
 		      'A' + pr.pirq);
-		fill_irq_info(&slot, &irq_entries, PCI_BUS(pr.bdf),
-			      PCI_DEV(pr.bdf), PCI_FUNC(pr.bdf),
+
+		slot = check_dup_entry(slot_base, irq_entries,
+				       PCI_BUS(pr.bdf), PCI_DEV(pr.bdf));
+		if (slot) {
+			debug("found entry for bus %d device %d, ",
+			      PCI_BUS(pr.bdf), PCI_DEV(pr.bdf));
+
+			if (slot->irq[pr.pin - 1].link) {
+				debug("skipping\n");
+
+				/*
+				 * Sanity test on the routed PIRQ pin
+				 *
+				 * If they don't match, show a warning to tell
+				 * there might be something wrong with the PIRQ
+				 * routing information in the device tree.
+				 */
+				if (slot->irq[pr.pin - 1].link !=
+					LINK_N2V(pr.pirq, irq_router.link_base))
+					debug("WARNING: Inconsistent PIRQ routing information\n");
+
+				cell += sizeof(struct pirq_routing) /
+					sizeof(u32);
+				continue;
+			} else {
+				debug("writing INT%c\n", 'A' + pr.pin - 1);
+				fill_irq_info(slot, PCI_BUS(pr.bdf),
+					      PCI_DEV(pr.bdf), pr.pin, pr.pirq);
+				cell += sizeof(struct pirq_routing) /
+					sizeof(u32);
+				continue;
+			}
+		}
+
+		slot = slot_base + irq_entries;
+		fill_irq_info(slot, PCI_BUS(pr.bdf), PCI_DEV(pr.bdf),
 			      pr.pin, pr.pirq);
+		irq_entries++;
 		cell += sizeof(struct pirq_routing) / sizeof(u32);
 	}
 
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig
index e4595be3ae..0e249a40a6 100644
--- a/arch/x86/cpu/ivybridge/Kconfig
+++ b/arch/x86/cpu/ivybridge/Kconfig
@@ -95,7 +95,6 @@ config CPU_SPECIFIC_OPTIONS
 	select ARCH_BOOTBLOCK_X86_32
 	select ARCH_ROMSTAGE_X86_32
 	select ARCH_RAMSTAGE_X86_32
-	select SMP
 	select SSE2
 	select UDELAY_LAPIC
 	select CPU_MICROCODE_IN_CBFS
diff --git a/arch/x86/cpu/ivybridge/model_206ax.c b/arch/x86/cpu/ivybridge/model_206ax.c
index 8b08c40bcb..fd7db97cbd 100644
--- a/arch/x86/cpu/ivybridge/model_206ax.c
+++ b/arch/x86/cpu/ivybridge/model_206ax.c
@@ -13,12 +13,12 @@
 #include <asm/acpi.h>
 #include <asm/cpu.h>
 #include <asm/lapic.h>
-#include <asm/lapic_def.h>
 #include <asm/msr.h>
 #include <asm/mtrr.h>
 #include <asm/processor.h>
 #include <asm/speedstep.h>
 #include <asm/turbo.h>
+#include <asm/arch/bd82x6x.h>
 #include <asm/arch/model_206ax.h>
 
 static void enable_vmx(void)
diff --git a/arch/x86/cpu/lapic.c b/arch/x86/cpu/lapic.c
index 4690603c75..30d23130eb 100644
--- a/arch/x86/cpu/lapic.c
+++ b/arch/x86/cpu/lapic.c
@@ -8,50 +8,153 @@
  */
 
 #include <common.h>
-#include <asm/msr.h>
 #include <asm/io.h>
 #include <asm/lapic.h>
+#include <asm/msr.h>
+#include <asm/msr-index.h>
 #include <asm/post.h>
 
+unsigned long lapic_read(unsigned long reg)
+{
+	return readl(LAPIC_DEFAULT_BASE + reg);
+}
+
+#define xchg(ptr, v)	((__typeof__(*(ptr)))__xchg((unsigned long)(v), (ptr), \
+						    sizeof(*(ptr))))
+
+struct __xchg_dummy	{ unsigned long a[100]; };
+#define __xg(x)		((struct __xchg_dummy *)(x))
+
+/*
+ * Note: no "lock" prefix even on SMP. xchg always implies lock anyway.
+ *
+ * Note 2: xchg has side effect, so that attribute volatile is necessary,
+ *         but generally the primitive is invalid, *ptr is output argument.
+ */
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
+				   int size)
+{
+	switch (size) {
+	case 1:
+		__asm__ __volatile__("xchgb %b0,%1"
+			: "=q" (x)
+			: "m" (*__xg(ptr)), "0" (x)
+			: "memory");
+		break;
+	case 2:
+		__asm__ __volatile__("xchgw %w0,%1"
+			: "=r" (x)
+			: "m" (*__xg(ptr)), "0" (x)
+			: "memory");
+		break;
+	case 4:
+		__asm__ __volatile__("xchgl %0,%1"
+			: "=r" (x)
+			: "m" (*__xg(ptr)), "0" (x)
+			: "memory");
+		break;
+	}
+
+	return x;
+}
+
+void lapic_write(unsigned long reg, unsigned long v)
+{
+	(void)xchg((volatile unsigned long *)(LAPIC_DEFAULT_BASE + reg), v);
+}
+
+void enable_lapic(void)
+{
+	msr_t msr;
+
+	msr = msr_read(MSR_IA32_APICBASE);
+	msr.hi &= 0xffffff00;
+	msr.lo |= MSR_IA32_APICBASE_ENABLE;
+	msr.lo &= ~MSR_IA32_APICBASE_BASE;
+	msr.lo |= LAPIC_DEFAULT_BASE;
+	msr_write(MSR_IA32_APICBASE, msr);
+}
+
+void disable_lapic(void)
+{
+	msr_t msr;
+
+	msr = msr_read(MSR_IA32_APICBASE);
+	msr.lo &= ~MSR_IA32_APICBASE_ENABLE;
+	msr_write(MSR_IA32_APICBASE, msr);
+}
+
+unsigned long lapicid(void)
+{
+	return lapic_read(LAPIC_ID) >> 24;
+}
+
+static void lapic_wait_icr_idle(void)
+{
+	do { } while (lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY);
+}
+
+int lapic_remote_read(int apicid, int reg, unsigned long *pvalue)
+{
+	int timeout;
+	unsigned long status;
+	int result;
+
+	lapic_wait_icr_idle();
+	lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid));
+	lapic_write(LAPIC_ICR, LAPIC_DM_REMRD | (reg >> 4));
+
+	timeout = 0;
+	do {
+		status = lapic_read(LAPIC_ICR) & LAPIC_ICR_RR_MASK;
+	} while (status == LAPIC_ICR_RR_INPROG && timeout++ < 1000);
+
+	result = -1;
+	if (status == LAPIC_ICR_RR_VALID) {
+		*pvalue = lapic_read(LAPIC_RRR);
+		result = 0;
+	}
+
+	return result;
+}
+
 void lapic_setup(void)
 {
-#if NEED_LAPIC == 1
+#ifdef CONFIG_SMP
 	/* Only Pentium Pro and later have those MSR stuff */
 	debug("Setting up local apic: ");
 
 	/* Enable the local apic */
 	enable_lapic();
 
-	/*
-	 * Set Task Priority to 'accept all'.
-	 */
-	lapic_write_around(LAPIC_TASKPRI,
-			   lapic_read_around(LAPIC_TASKPRI) & ~LAPIC_TPRI_MASK);
+	/* Set Task Priority to 'accept all' */
+	lapic_write(LAPIC_TASKPRI,
+		    lapic_read(LAPIC_TASKPRI) & ~LAPIC_TPRI_MASK);
 
 	/* Put the local apic in virtual wire mode */
-	lapic_write_around(LAPIC_SPIV, (lapic_read_around(LAPIC_SPIV) &
-				~(LAPIC_VECTOR_MASK)) | LAPIC_SPIV_ENABLE);
-	lapic_write_around(LAPIC_LVT0, (lapic_read_around(LAPIC_LVT0) &
-			~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
-			  LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
-			  LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
-			  LAPIC_DELIVERY_MODE_MASK)) |
-			(LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
-			 LAPIC_DELIVERY_MODE_EXTINT));
-	lapic_write_around(LAPIC_LVT1, (lapic_read_around(LAPIC_LVT1) &
-			~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
-			  LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
-			  LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
-			  LAPIC_DELIVERY_MODE_MASK)) |
-		(LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
-			LAPIC_DELIVERY_MODE_NMI));
+	lapic_write(LAPIC_SPIV, (lapic_read(LAPIC_SPIV) &
+		    ~(LAPIC_VECTOR_MASK)) | LAPIC_SPIV_ENABLE);
+	lapic_write(LAPIC_LVT0, (lapic_read(LAPIC_LVT0) &
+		    ~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
+		    LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
+		    LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
+		    LAPIC_DELIVERY_MODE_MASK)) |
+		    (LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
+		    LAPIC_DELIVERY_MODE_EXTINT));
+	lapic_write(LAPIC_LVT1, (lapic_read(LAPIC_LVT1) &
+		    ~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
+		    LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
+		    LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
+		    LAPIC_DELIVERY_MODE_MASK)) |
+		    (LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
+		    LAPIC_DELIVERY_MODE_NMI));
 
 	debug("apic_id: 0x%02lx, ", lapicid());
-#else /* !NEED_LLAPIC */
+#else /* !CONFIG_SMP */
 	/* Only Pentium Pro and later have those MSR stuff */
 	debug("Disabling local apic: ");
 	disable_lapic();
-#endif /* !NEED_LAPIC */
+#endif /* CONFIG_SMP */
 	debug("done.\n");
 	post_code(POST_LAPIC);
 }
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c
index ac5753a1fd..e686b28c9c 100644
--- a/arch/x86/cpu/mp_init.c
+++ b/arch/x86/cpu/mp_init.c
@@ -16,12 +16,17 @@
 #include <asm/interrupt.h>
 #include <asm/lapic.h>
 #include <asm/mp.h>
+#include <asm/msr.h>
 #include <asm/mtrr.h>
+#include <asm/processor.h>
 #include <asm/sipi.h>
 #include <dm/device-internal.h>
 #include <dm/uclass-internal.h>
 #include <linux/linkage.h>
 
+/* Total CPUs include BSP */
+static int num_cpus;
+
 /* This also needs to match the sipi.S assembly code for saved MSR encoding */
 struct saved_msr {
 	uint32_t index;
@@ -56,6 +61,13 @@ static inline void release_barrier(atomic_t *b)
 	atomic_set(b, 1);
 }
 
+static inline void stop_this_cpu(void)
+{
+	/* Called by an AP when it is ready to halt and wait for a new task */
+	for (;;)
+		cpu_hlt();
+}
+
 /* Returns 1 if timeout waiting for APs. 0 if target APs found */
 static int wait_for_aps(atomic_t *val, int target, int total_delay,
 			int delay_step)
@@ -314,9 +326,9 @@ static int start_aps(int ap_count, atomic_t *num_aps)
 	}
 
 	/* Send INIT IPI to all but self */
-	lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
-	lapic_write_around(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
-			   LAPIC_DM_INIT);
+	lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
+	lapic_write(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
+		    LAPIC_DM_INIT);
 	debug("Waiting for 10ms after sending INIT.\n");
 	mdelay(10);
 
@@ -331,9 +343,9 @@ static int start_aps(int ap_count, atomic_t *num_aps)
 		}
 	}
 
-	lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
-	lapic_write_around(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
-			   LAPIC_DM_STARTUP | sipi_vector);
+	lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
+	lapic_write(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
+		    LAPIC_DM_STARTUP | sipi_vector);
 	debug("Waiting for 1st SIPI to complete...");
 	if (apic_wait_timeout(10000, 50)) {
 		debug("timed out.\n");
@@ -356,9 +368,9 @@ static int start_aps(int ap_count, atomic_t *num_aps)
 		}
 	}
 
-	lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
-	lapic_write_around(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
-			   LAPIC_DM_STARTUP | sipi_vector);
+	lapic_write(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(0));
+	lapic_write(LAPIC_ICR, LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT |
+		    LAPIC_DM_STARTUP | sipi_vector);
 	debug("Waiting for 2nd SIPI to complete...");
 	if (apic_wait_timeout(10000, 50)) {
 		debug("timed out.\n");
@@ -383,7 +395,7 @@ static int bsp_do_flight_plan(struct udevice *cpu, struct mp_params *mp_params)
 	int ret = 0;
 	const int timeout_us = 100000;
 	const int step_us = 100;
-	int num_aps = mp_params->num_cpus - 1;
+	int num_aps = num_cpus - 1;
 
 	for (i = 0; i < mp_params->num_records; i++) {
 		struct mp_flight_record *rec = &mp_params->flight_plan[i];
@@ -415,7 +427,7 @@ static int init_bsp(struct udevice **devp)
 	cpu_get_name(processor_name);
 	debug("CPU: %s.\n", processor_name);
 
-	enable_lapic();
+	lapic_setup();
 
 	apic_id = lapicid();
 	ret = find_cpu_by_apid_id(apic_id, devp);
@@ -451,7 +463,16 @@ int mp_init(struct mp_params *p)
 		return -1;
 	}
 
-	ret = check_cpu_devices(p->num_cpus);
+	num_cpus = cpu_get_count(cpu);
+	if (num_cpus < 0) {
+		debug("Cannot get number of CPUs: err=%d\n", num_cpus);
+		return num_cpus;
+	}
+
+	if (num_cpus < 2)
+		debug("Warning: Only 1 CPU is detected\n");
+
+	ret = check_cpu_devices(num_cpus);
 	if (ret)
 		debug("Warning: Device tree does not describe all CPUs. Extra ones will not be started correctly\n");
 
@@ -471,7 +492,7 @@ int mp_init(struct mp_params *p)
 	wbinvd();
 
 	/* Start the APs providing number of APs and the cpus_entered field */
-	num_aps = p->num_cpus - 1;
+	num_aps = num_cpus - 1;
 	ret = start_aps(num_aps, ap_count);
 	if (ret) {
 		mdelay(1000);
diff --git a/arch/x86/cpu/queensbay/Kconfig b/arch/x86/cpu/queensbay/Kconfig
index 397e599f93..fbf85f233f 100644
--- a/arch/x86/cpu/queensbay/Kconfig
+++ b/arch/x86/cpu/queensbay/Kconfig
@@ -38,4 +38,8 @@ config CMC_ADDR
 	  The default base address of 0xfffb0000 indicates that the binary must
 	  be located at offset 0xb0000 from the beginning of a 1MB flash device.
 
+config CPU_ADDR_BITS
+	int
+	default 32
+
 endif
diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c
index 873de7be9d..d27b2d9ec6 100644
--- a/arch/x86/cpu/queensbay/tnc.c
+++ b/arch/x86/cpu/queensbay/tnc.c
@@ -69,17 +69,18 @@ void cpu_irq_init(void)
 	 * Route TunnelCreek PCI device interrupt pin to PIRQ
 	 *
 	 * Since PCIe downstream ports received INTx are routed to PIRQ
-	 * A/B/C/D directly and not configurable, we route internal PCI
-	 * device's INTx to PIRQ E/F/G/H.
+	 * A/B/C/D directly and not configurable, we have to route PCIe
+	 * root ports' INTx to PIRQ A/B/C/D as well. For other devices
+	 * on TunneCreek, route them to PIRQ E/F/G/H.
 	 */
 	writew(PIRQE, &rcba->d02ir);
 	writew(PIRQF, &rcba->d03ir);
 	writew(PIRQG, &rcba->d27ir);
 	writew(PIRQH, &rcba->d31ir);
-	writew(PIRQE, &rcba->d23ir);
-	writew(PIRQF, &rcba->d24ir);
-	writew(PIRQG, &rcba->d25ir);
-	writew(PIRQH, &rcba->d26ir);
+	writew(PIRQA, &rcba->d23ir);
+	writew(PIRQB, &rcba->d24ir);
+	writew(PIRQC, &rcba->d25ir);
+	writew(PIRQD, &rcba->d26ir);
 }
 
 int arch_misc_init(void)
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 2e5f9da756..00e585e19b 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -116,12 +116,16 @@ car_init_ret:
 	rep	stosb
 
 #ifdef CONFIG_HAVE_FSP
+	test	%esi, %esi
+	jz	skip_hob
+
 	/* Store HOB list */
 	movl	%esp, %edx
 	addl	$GD_HOB_LIST, %edx
 	movl	%esi, (%edx)
-#endif
 
+skip_hob:
+#endif
 	/* Setup first parameter to setup_gdt, pointer to global_data */
 	movl	%esp, %eax
 
diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S
index 826e2b4361..5eb17f15c9 100644
--- a/arch/x86/cpu/start16.S
+++ b/arch/x86/cpu/start16.S
@@ -71,11 +71,12 @@ idt_ptr:
 	 */
 gdt_ptr:
 	.word	0x1f		/* limit (31 bytes = 4 GDT entries - 1) */
-	.long	BOOT_SEG + gdt	/* base */
+	.long	BOOT_SEG + gdt_rom	/* base */
 
 	/* Some CPUs are picky about GDT alignment... */
 	.align	16
-gdt:
+.globl gdt_rom
+gdt_rom:
 	/*
 	 * The GDT table ...
 	 *
diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts
index d68efda8df..60da1f544b 100644
--- a/arch/x86/dts/crownbay.dts
+++ b/arch/x86/dts/crownbay.dts
@@ -10,6 +10,7 @@
 
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
+/include/ "rtc.dtsi"
 
 / {
 	model = "Intel Crown Bay";
@@ -23,6 +24,26 @@
 		silent_console = <0>;
 	};
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "cpu-x86";
+			reg = <0>;
+			intel,apic-id = <0>;
+		};
+
+		cpu@1 {
+			device_type = "cpu";
+			compatible = "cpu-x86";
+			reg = <1>;
+			intel,apic-id = <1>;
+		};
+
+	};
+
 	gpioa {
 		compatible = "intel,ich6-gpio";
 		u-boot,dm-pre-reloc;
@@ -148,10 +169,22 @@
 				/* TunnelCreek PCI devices */
 				PCI_BDF(0, 2, 0) INTA PIRQE
 				PCI_BDF(0, 3, 0) INTA PIRQF
-				PCI_BDF(0, 23, 0) INTA PIRQE
-				PCI_BDF(0, 24, 0) INTA PIRQF
-				PCI_BDF(0, 25, 0) INTA PIRQG
-				PCI_BDF(0, 26, 0) INTA PIRQH
+				PCI_BDF(0, 23, 0) INTA PIRQA
+				PCI_BDF(0, 23, 0) INTB PIRQB
+				PCI_BDF(0, 23, 0) INTC PIRQC
+				PCI_BDF(0, 23, 0) INTD PIRQD
+				PCI_BDF(0, 24, 0) INTA PIRQB
+				PCI_BDF(0, 24, 0) INTB PIRQC
+				PCI_BDF(0, 24, 0) INTC PIRQD
+				PCI_BDF(0, 24, 0) INTD PIRQA
+				PCI_BDF(0, 25, 0) INTA PIRQC
+				PCI_BDF(0, 25, 0) INTB PIRQD
+				PCI_BDF(0, 25, 0) INTC PIRQA
+				PCI_BDF(0, 25, 0) INTD PIRQB
+				PCI_BDF(0, 26, 0) INTA PIRQD
+				PCI_BDF(0, 26, 0) INTB PIRQA
+				PCI_BDF(0, 26, 0) INTC PIRQB
+				PCI_BDF(0, 26, 0) INTD PIRQC
 				PCI_BDF(0, 27, 0) INTA PIRQG
 				/*
 				 * Topcliff PCI devices
@@ -159,29 +192,29 @@
 				 * Note on the Crown Bay board, Topcliff chipset
 				 * is connected to TunnelCreek PCIe port 0, so
 				 * its bus number is 1 for its PCIe port and 2
-				 * for its PCI devices per U-Boot currnet PCI
+				 * for its PCI devices per U-Boot current PCI
 				 * bus enumeration algorithm.
 				 */
 				PCI_BDF(1, 0, 0) INTA PIRQA
 				PCI_BDF(2, 0, 1) INTA PIRQA
 				PCI_BDF(2, 0, 2) INTA PIRQA
-				PCI_BDF(2, 2, 0) INTB PIRQB
-				PCI_BDF(2, 2, 1) INTB PIRQB
-				PCI_BDF(2, 2, 2) INTB PIRQB
-				PCI_BDF(2, 2, 3) INTB PIRQB
-				PCI_BDF(2, 2, 4) INTB PIRQB
+				PCI_BDF(2, 2, 0) INTB PIRQD
+				PCI_BDF(2, 2, 1) INTB PIRQD
+				PCI_BDF(2, 2, 2) INTB PIRQD
+				PCI_BDF(2, 2, 3) INTB PIRQD
+				PCI_BDF(2, 2, 4) INTB PIRQD
 				PCI_BDF(2, 4, 0) INTC PIRQC
 				PCI_BDF(2, 4, 1) INTC PIRQC
-				PCI_BDF(2, 6, 0) INTD PIRQD
+				PCI_BDF(2, 6, 0) INTD PIRQB
 				PCI_BDF(2, 8, 0) INTA PIRQA
 				PCI_BDF(2, 8, 1) INTA PIRQA
 				PCI_BDF(2, 8, 2) INTA PIRQA
 				PCI_BDF(2, 8, 3) INTA PIRQA
-				PCI_BDF(2, 10, 0) INTB PIRQB
-				PCI_BDF(2, 10, 1) INTB PIRQB
-				PCI_BDF(2, 10, 2) INTB PIRQB
-				PCI_BDF(2, 10, 3) INTB PIRQB
-				PCI_BDF(2, 10, 4) INTB PIRQB
+				PCI_BDF(2, 10, 0) INTB PIRQD
+				PCI_BDF(2, 10, 1) INTB PIRQD
+				PCI_BDF(2, 10, 2) INTB PIRQD
+				PCI_BDF(2, 10, 3) INTB PIRQD
+				PCI_BDF(2, 10, 4) INTB PIRQD
 				PCI_BDF(2, 12, 0) INTC PIRQC
 				PCI_BDF(2, 12, 1) INTC PIRQC
 				PCI_BDF(2, 12, 2) INTC PIRQC
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index bd21bfb0b4..0e59b18d34 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -111,6 +111,16 @@
 
 	};
 
+	pci {
+		compatible = "intel,pci-baytrail", "pci-x86";
+		#address-cells = <3>;
+		#size-cells = <2>;
+		u-boot,dm-pre-reloc;
+		ranges = <0x02000000 0x0 0xd0000000 0xd0000000 0 0x10000000
+			0x42000000 0x0 0xc0000000 0xc0000000 0 0x10000000
+			0x01000000 0x0 0x2000 0x2000 0 0xe000>;
+	};
+
 	spi {
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/arch/x86/dts/rtc.dtsi b/arch/x86/dts/rtc.dtsi
new file mode 100644
index 0000000000..93dacd7307
--- /dev/null
+++ b/arch/x86/dts/rtc.dtsi
@@ -0,0 +1,6 @@
+/ {
+	rtc {
+		compatible = "motorola,mc146818";
+		reg = <0x70 2>;
+	};
+};
diff --git a/arch/x86/include/asm/arch-ivybridge/bd82x6x.h b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h
index 5ae32f7883..7786493be7 100644
--- a/arch/x86/include/asm/arch-ivybridge/bd82x6x.h
+++ b/arch/x86/include/asm/arch-ivybridge/bd82x6x.h
@@ -16,7 +16,19 @@ int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
 		   const void *blob, int node);
 int bd82x6x_init(void);
 
-struct x86_cpu_priv;
+/**
+ * struct x86_cpu_priv - Information about a single CPU
+ *
+ * @apic_id: Advanced Programmable Interrupt Controller Identifier, which is
+ * just a number representing the CPU core
+ *
+ * TODO: Move this to driver model once lifecycle is understood
+ */
+struct x86_cpu_priv {
+	int apic_id;
+	int start_err;
+};
+
 int model_206ax_init(struct x86_cpu_priv *cpu);
 
 #endif
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index ebc74adbc3..08284ee295 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -197,20 +197,6 @@ const char *cpu_vendor_name(int vendor);
 char *cpu_get_name(char *name);
 
 /**
- *
-* x86_cpu_get_desc() - Get a description string for an x86 CPU
-*
-* This uses cpu_get_name() and is suitable to use as the get_desc() method for
-* the CPU uclass.
-*
-* @dev:		Device to check (UCLASS_CPU)
-* @buf:		Buffer to place string
-* @size:	Size of string space
-* @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
-*/
-int x86_cpu_get_desc(struct udevice *dev, char *buf, int size);
-
-/**
  * cpu_call64() - Jump to a 64-bit Linux kernel (internal function)
  *
  * The kernel is uncompressed and the 64-bit entry point is expected to be
diff --git a/arch/x86/include/asm/cpu_x86.h b/arch/x86/include/asm/cpu_x86.h
new file mode 100644
index 0000000000..19404805c5
--- /dev/null
+++ b/arch/x86/include/asm/cpu_x86.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_CPU_X86_H
+#define _ASM_CPU_X86_H
+
+/**
+ * cpu_x86_bind() - Bind an x86 CPU with the driver
+ *
+ * This updates cpu device's platform data with information from device tree,
+ * like the processor local apic id.
+ *
+ * @dev:	Device to check (UCLASS_CPU)
+ * @return	0 always
+ */
+int cpu_x86_bind(struct udevice *dev);
+
+/**
+ * cpu_x86_get_desc() - Get a description string for an x86 CPU
+ *
+ * This uses cpu_get_name() and is suitable to use as the get_desc() method for
+ * the CPU uclass.
+ *
+ * @dev:	Device to check (UCLASS_CPU)
+ * @buf:	Buffer to place string
+ * @size:	Size of string space
+ * @return:	0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+int cpu_x86_get_desc(struct udevice *dev, char *buf, int size);
+
+#endif /* _ASM_CPU_X86_H */
diff --git a/arch/x86/include/asm/ioapic.h b/arch/x86/include/asm/ioapic.h
index 699160f9f7..77c443e9f5 100644
--- a/arch/x86/include/asm/ioapic.h
+++ b/arch/x86/include/asm/ioapic.h
@@ -10,29 +10,33 @@
 #define __ASM_IOAPIC_H
 
 #define IO_APIC_ADDR		0xfec00000
-#define IO_APIC_INDEX		IO_APIC_ADDR
+
+/* Direct addressed register */
+#define IO_APIC_INDEX		(IO_APIC_ADDR + 0x00)
 #define IO_APIC_DATA		(IO_APIC_ADDR + 0x10)
-#define IO_APIC_INTERRUPTS	24
 
-#define ALL		(0xff << 24)
-#define NONE		0
-#define DISABLED	(1 << 16)
-#define ENABLED		(0 << 16)
-#define TRIGGER_EDGE	(0 << 15)
-#define TRIGGER_LEVEL	(1 << 15)
-#define POLARITY_HIGH	(0 << 13)
-#define POLARITY_LOW	(1 << 13)
-#define PHYSICAL_DEST	(0 << 11)
-#define LOGICAL_DEST	(1 << 11)
-#define ExtINT		(7 << 8)
-#define NMI		(4 << 8)
-#define SMI		(2 << 8)
-#define INT		(1 << 8)
+/* Indirect addressed register offset */
+#define IO_APIC_ID		0x00
+#define IO_APIC_VER		0x01
+
+/**
+ * io_apic_read() - Read I/O APIC register
+ *
+ * This routine reads I/O APIC indirect addressed register.
+ *
+ * @reg:	address of indirect addressed register
+ * @return:	register value to read
+ */
+u32 io_apic_read(u32 reg);
 
-u32 io_apic_read(u32 ioapic_base, u32 reg);
-void io_apic_write(u32 ioapic_base, u32 reg, u32 value);
-void set_ioapic_id(u32 ioapic_base, u8 ioapic_id);
-void setup_ioapic(u32 ioapic_base, u8 ioapic_id);
-void clear_ioapic(u32 ioapic_base);
+/**
+ * io_apic_write() - Write I/O APIC register
+ *
+ * This routine writes I/O APIC indirect addressed register.
+ *
+ * @reg:	address of indirect addressed register
+ * @val:	register value to write
+ */
+void io_apic_write(u32 reg, u32 val);
 
 #endif
diff --git a/arch/x86/include/asm/lapic.h b/arch/x86/include/asm/lapic.h
index 0a7f443195..bc2b2d1520 100644
--- a/arch/x86/include/asm/lapic.h
+++ b/arch/x86/include/asm/lapic.h
@@ -1,5 +1,5 @@
 /*
- * From Coreboot file of same name
+ * From coreboot file of same name
  *
  * Copyright (C) 2014 Google, Inc
  *
@@ -9,171 +9,70 @@
 #ifndef _ARCH_ASM_LAPIC_H
 #define _ARCH_ASM_LAPIC_H
 
-#include <asm/io.h>
-#include <asm/lapic_def.h>
-#include <asm/msr.h>
-#include <asm/processor.h>
-
-/* See if I need to initialize the local apic */
-#if CONFIG_SMP || CONFIG_IOAPIC
-#  define NEED_LAPIC 1
-#else
-#  define NEED_LAPIC 0
-#endif
-
-static inline __attribute__((always_inline))
-		unsigned long lapic_read(unsigned long reg)
-{
-	return readl(LAPIC_DEFAULT_BASE + reg);
-}
-
-static inline __attribute__((always_inline))
-		void lapic_write(unsigned long reg, unsigned long val)
-{
-	writel(val, LAPIC_DEFAULT_BASE + reg);
-}
-
-static inline __attribute__((always_inline)) void lapic_wait_icr_idle(void)
-{
-	do { } while (lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY);
-}
-
-static inline void enable_lapic(void)
-{
-	msr_t msr;
-
-	msr = msr_read(LAPIC_BASE_MSR);
-	msr.hi &= 0xffffff00;
-	msr.lo |= LAPIC_BASE_MSR_ENABLE;
-	msr.lo &= ~LAPIC_BASE_MSR_ADDR_MASK;
-	msr.lo |= LAPIC_DEFAULT_BASE;
-	msr_write(LAPIC_BASE_MSR, msr);
-}
-
-static inline void disable_lapic(void)
-{
-	msr_t msr;
-
-	msr = msr_read(LAPIC_BASE_MSR);
-	msr.lo &= ~(1 << 11);
-	msr_write(LAPIC_BASE_MSR, msr);
-}
-
-static inline __attribute__((always_inline)) unsigned long lapicid(void)
-{
-	return lapic_read(LAPIC_ID) >> 24;
-}
-
-#if !CONFIG_AP_IN_SIPI_WAIT
-/* If we need to go back to sipi wait, we use the long non-inlined version of
- * this function in lapic_cpu_init.c
- */
-static inline __attribute__((always_inline)) void stop_this_cpu(void)
-{
-	/* Called by an AP when it is ready to halt and wait for a new task */
-	for (;;)
-		cpu_hlt();
-}
-#else
-void stop_this_cpu(void);
-#endif
-
-#define xchg(ptr, v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v), (ptr), \
-							sizeof(*(ptr))))
-
-struct __xchg_dummy { unsigned long a[100]; };
-#define __xg(x) ((struct __xchg_dummy *)(x))
-
-/*
- * Note: no "lock" prefix even on SMP: xchg always implies lock anyway
- * Note 2: xchg has side effect, so that attribute volatile is necessary,
- *	  but generally the primitive is invalid, *ptr is output argument. --ANK
- */
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
-				   int size)
-{
-	switch (size) {
-	case 1:
-		__asm__ __volatile__("xchgb %b0,%1"
-			: "=q" (x)
-			: "m" (*__xg(ptr)), "0" (x)
-			: "memory");
-		break;
-	case 2:
-		__asm__ __volatile__("xchgw %w0,%1"
-			: "=r" (x)
-			: "m" (*__xg(ptr)), "0" (x)
-			: "memory");
-		break;
-	case 4:
-		__asm__ __volatile__("xchgl %0,%1"
-			: "=r" (x)
-			: "m" (*__xg(ptr)), "0" (x)
-			: "memory");
-		break;
-	}
-
-	return x;
-}
-
-static inline void lapic_write_atomic(unsigned long reg, unsigned long v)
-{
-	(void)xchg((volatile unsigned long *)(LAPIC_DEFAULT_BASE + reg), v);
-}
-
-
-#ifdef X86_GOOD_APIC
-# define FORCE_READ_AROUND_WRITE 0
-# define lapic_read_around(x) lapic_read(x)
-# define lapic_write_around(x, y) lapic_write((x), (y))
-#else
-# define FORCE_READ_AROUND_WRITE 1
-# define lapic_read_around(x) lapic_read(x)
-# define lapic_write_around(x, y) lapic_write_atomic((x), (y))
-#endif
-
-static inline int lapic_remote_read(int apicid, int reg, unsigned long *pvalue)
-{
-	int timeout;
-	unsigned long status;
-	int result;
-	lapic_wait_icr_idle();
-	lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid));
-	lapic_write_around(LAPIC_ICR, LAPIC_DM_REMRD | (reg >> 4));
-	timeout = 0;
-	do {
-		status = lapic_read(LAPIC_ICR) & LAPIC_ICR_RR_MASK;
-	} while (status == LAPIC_ICR_RR_INPROG && timeout++ < 1000);
-
-	result = -1;
-	if (status == LAPIC_ICR_RR_VALID) {
-		*pvalue = lapic_read(LAPIC_RRR);
-		result = 0;
-	}
-	return result;
-}
-
+#define LAPIC_DEFAULT_BASE		0xfee00000
+
+#define LAPIC_ID			0x020
+#define LAPIC_LVR			0x030
+
+#define LAPIC_TASKPRI			0x080
+#define LAPIC_TPRI_MASK			0xff
+
+#define LAPIC_RRR			0x0c0
+
+#define LAPIC_SPIV			0x0f0
+#define LAPIC_SPIV_ENABLE		0x100
+
+#define LAPIC_ICR			0x300
+#define LAPIC_DEST_SELF			0x40000
+#define LAPIC_DEST_ALLINC		0x80000
+#define LAPIC_DEST_ALLBUT		0xc0000
+#define LAPIC_ICR_RR_MASK		0x30000
+#define LAPIC_ICR_RR_INVALID		0x00000
+#define LAPIC_ICR_RR_INPROG		0x10000
+#define LAPIC_ICR_RR_VALID		0x20000
+#define LAPIC_INT_LEVELTRIG		0x08000
+#define LAPIC_INT_ASSERT		0x04000
+#define LAPIC_ICR_BUSY			0x01000
+#define LAPIC_DEST_LOGICAL		0x00800
+#define LAPIC_DM_FIXED			0x00000
+#define LAPIC_DM_LOWEST			0x00100
+#define LAPIC_DM_SMI			0x00200
+#define LAPIC_DM_REMRD			0x00300
+#define LAPIC_DM_NMI			0x00400
+#define LAPIC_DM_INIT			0x00500
+#define LAPIC_DM_STARTUP		0x00600
+#define LAPIC_DM_EXTINT			0x00700
+#define LAPIC_VECTOR_MASK		0x000ff
+
+#define LAPIC_ICR2			0x310
+#define GET_LAPIC_DEST_FIELD(x)		(((x) >> 24) & 0xff)
+#define SET_LAPIC_DEST_FIELD(x)		((x) << 24)
+
+#define LAPIC_LVT0			0x350
+#define LAPIC_LVT1			0x360
+#define LAPIC_LVT_MASKED		(1 << 16)
+#define LAPIC_LVT_LEVEL_TRIGGER		(1 << 15)
+#define LAPIC_LVT_REMOTE_IRR		(1 << 14)
+#define LAPIC_INPUT_POLARITY		(1 << 13)
+#define LAPIC_SEND_PENDING		(1 << 12)
+#define LAPIC_LVT_RESERVED_1		(1 << 11)
+#define LAPIC_DELIVERY_MODE_MASK	(7 << 8)
+#define LAPIC_DELIVERY_MODE_FIXED	(0 << 8)
+#define LAPIC_DELIVERY_MODE_NMI		(4 << 8)
+#define LAPIC_DELIVERY_MODE_EXTINT	(7 << 8)
+
+unsigned long lapic_read(unsigned long reg);
+
+void lapic_write(unsigned long reg, unsigned long v);
+
+void enable_lapic(void);
+
+void disable_lapic(void);
+
+unsigned long lapicid(void);
+
+int lapic_remote_read(int apicid, int reg, unsigned long *pvalue);
 
 void lapic_setup(void);
 
-#if CONFIG_SMP
-struct device;
-int start_cpu(struct device *cpu);
-#endif /* CONFIG_SMP */
-
-int boot_cpu(void);
-
-/**
- * struct x86_cpu_priv - Information about a single CPU
- *
- * @apic_id: Advanced Programmable Interrupt Controller Identifier, which is
- * just a number representing the CPU core
- *
- * TODO: Move this to driver model once lifecycle is understood
- */
-struct x86_cpu_priv {
-	int apic_id;
-	int start_err;
-};
-
 #endif
diff --git a/arch/x86/include/asm/lapic_def.h b/arch/x86/include/asm/lapic_def.h
deleted file mode 100644
index 722ceadaa4..0000000000
--- a/arch/x86/include/asm/lapic_def.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Taken from the Coreboot file of the same name
- *
- * (C) Copyright 2014 Google, Inc
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#ifndef _ASM_LAPIC_DEF_H
-#define _ASM_LAPIC_DEF_H
-
-#define LAPIC_BASE_MSR			0x1B
-#define LAPIC_BASE_MSR_BOOTSTRAP_PROCESSOR	(1 << 8)
-#define LAPIC_BASE_MSR_ENABLE		(1 << 11)
-#define LAPIC_BASE_MSR_ADDR_MASK	0xFFFFF000
-
-#define LOCAL_APIC_ADDR			0xfee00000
-#define LAPIC_DEFAULT_BASE		LOCAL_APIC_ADDR
-
-#define LAPIC_ID			0x020
-#define LAPIC_LVR			0x030
-#define LAPIC_TASKPRI			0x80
-#define LAPIC_TPRI_MASK			0xFF
-#define LAPIC_ARBID			0x090
-#define LAPIC_RRR			0x0C0
-#define LAPIC_SVR			0x0f0
-#define LAPIC_SPIV			0x0f0
-#define LAPIC_SPIV_ENABLE		0x100
-#define LAPIC_ESR			0x280
-#define LAPIC_ESR_SEND_CS		0x00001
-#define LAPIC_ESR_RECV_CS		0x00002
-#define LAPIC_ESR_SEND_ACC		0x00004
-#define LAPIC_ESR_RECV_ACC		0x00008
-#define LAPIC_ESR_SENDILL		0x00020
-#define LAPIC_ESR_RECVILL		0x00040
-#define LAPIC_ESR_ILLREGA		0x00080
-#define LAPIC_ICR			0x300
-#define LAPIC_DEST_SELF			0x40000
-#define LAPIC_DEST_ALLINC		0x80000
-#define LAPIC_DEST_ALLBUT		0xC0000
-#define LAPIC_ICR_RR_MASK		0x30000
-#define LAPIC_ICR_RR_INVALID		0x00000
-#define LAPIC_ICR_RR_INPROG		0x10000
-#define LAPIC_ICR_RR_VALID		0x20000
-#define LAPIC_INT_LEVELTRIG		0x08000
-#define LAPIC_INT_ASSERT		0x04000
-#define LAPIC_ICR_BUSY			0x01000
-#define LAPIC_DEST_LOGICAL		0x00800
-#define LAPIC_DM_FIXED			0x00000
-#define LAPIC_DM_LOWEST			0x00100
-#define LAPIC_DM_SMI			0x00200
-#define LAPIC_DM_REMRD			0x00300
-#define LAPIC_DM_NMI			0x00400
-#define LAPIC_DM_INIT			0x00500
-#define LAPIC_DM_STARTUP		0x00600
-#define LAPIC_DM_EXTINT			0x00700
-#define LAPIC_VECTOR_MASK		0x000FF
-#define LAPIC_ICR2			0x310
-#define GET_LAPIC_DEST_FIELD(x)		(((x) >> 24) & 0xFF)
-#define SET_LAPIC_DEST_FIELD(x)		((x) << 24)
-#define LAPIC_LVTT			0x320
-#define LAPIC_LVTPC			0x340
-#define LAPIC_LVT0			0x350
-#define LAPIC_LVT_TIMER_BASE_MASK	(0x3 << 18)
-#define GET_LAPIC_TIMER_BASE(x)		(((x) >> 18) & 0x3)
-#define SET_LAPIC_TIMER_BASE(x)		(((x) << 18))
-#define LAPIC_TIMER_BASE_CLKIN		0x0
-#define LAPIC_TIMER_BASE_TMBASE		0x1
-#define LAPIC_TIMER_BASE_DIV		0x2
-#define LAPIC_LVT_TIMER_PERIODIC	(1 << 17)
-#define LAPIC_LVT_MASKED		(1 << 16)
-#define LAPIC_LVT_LEVEL_TRIGGER		(1 << 15)
-#define LAPIC_LVT_REMOTE_IRR		(1 << 14)
-#define LAPIC_INPUT_POLARITY		(1 << 13)
-#define LAPIC_SEND_PENDING		(1 << 12)
-#define LAPIC_LVT_RESERVED_1		(1 << 11)
-#define LAPIC_DELIVERY_MODE_MASK	(7 << 8)
-#define LAPIC_DELIVERY_MODE_FIXED	(0 << 8)
-#define LAPIC_DELIVERY_MODE_NMI		(4 << 8)
-#define LAPIC_DELIVERY_MODE_EXTINT	(7 << 8)
-#define GET_LAPIC_DELIVERY_MODE(x)	(((x) >> 8) & 0x7)
-#define SET_LAPIC_DELIVERY_MODE(x, y)	(((x) & ~0x700)|((y) << 8))
-#define LAPIC_MODE_FIXED		0x0
-#define LAPIC_MODE_NMI			0x4
-#define LAPIC_MODE_EXINT		0x7
-#define LAPIC_LVT1			0x360
-#define LAPIC_LVTERR			0x370
-#define LAPIC_TMICT			0x380
-#define LAPIC_TMCCT			0x390
-#define LAPIC_TDCR			0x3E0
-#define LAPIC_TDR_DIV_TMBASE		(1 << 2)
-#define LAPIC_TDR_DIV_1			0xB
-#define LAPIC_TDR_DIV_2			0x0
-#define LAPIC_TDR_DIV_4			0x1
-#define LAPIC_TDR_DIV_8			0x2
-#define LAPIC_TDR_DIV_16		0x3
-#define LAPIC_TDR_DIV_32		0x8
-#define LAPIC_TDR_DIV_64		0x9
-#define LAPIC_TDR_DIV_128		0xA
-
-#endif
diff --git a/arch/x86/include/asm/mp.h b/arch/x86/include/asm/mp.h
index c0930fd0c6..2e6c3120c7 100644
--- a/arch/x86/include/asm/mp.h
+++ b/arch/x86/include/asm/mp.h
@@ -59,7 +59,6 @@ struct mp_flight_record {
  * SMM support.
  */
 struct mp_params {
-	int num_cpus; /* Total cpus include BSP */
 	int parallel_microcode_load;
 	const void *microcode_pointer;
 	/* Flight plan  for APs and BSP */
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
new file mode 100644
index 0000000000..efa9231f92
--- /dev/null
+++ b/arch/x86/include/asm/mpspec.h
@@ -0,0 +1,444 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Adapted from coreboot src/arch/x86/include/arch/smp/mpspec.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_MPSPEC_H
+#define __ASM_MPSPEC_H
+
+/*
+ * Structure definitions for SMP machines following the
+ * Intel MultiProcessor Specification 1.4
+ */
+
+#define MPSPEC_V14	4
+
+#define MPF_SIGNATURE	"_MP_"
+
+struct mp_floating_table {
+	char mpf_signature[4];	/* "_MP_" */
+	u32 mpf_physptr;	/* Configuration table address */
+	u8 mpf_length;		/* Our length (paragraphs) */
+	u8 mpf_spec;		/* Specification version */
+	u8 mpf_checksum;	/* Checksum (makes sum 0) */
+	u8 mpf_feature1;	/* Predefined or Unique configuration? */
+	u8 mpf_feature2;	/* Bit7 set for IMCR/PIC */
+	u8 mpf_feature3;	/* Unused (0) */
+	u8 mpf_feature4;	/* Unused (0) */
+	u8 mpf_feature5;	/* Unused (0) */
+};
+
+#define MPC_SIGNATURE	"PCMP"
+
+struct mp_config_table {
+	char mpc_signature[4];	/* "PCMP" */
+	u16 mpc_length;		/* Size of table */
+	u8 mpc_spec;		/* Specification version */
+	u8 mpc_checksum;	/* Checksum (makes sum 0) */
+	char mpc_oem[8];	/* OEM ID */
+	char mpc_product[12];	/* Product ID */
+	u32 mpc_oemptr;		/* OEM table address */
+	u16 mpc_oemsize;	/* OEM table size */
+	u16 mpc_entry_count;	/* Number of entries in the table */
+	u32 mpc_lapic;		/* Local APIC address */
+	u16 mpe_length;		/* Extended table size */
+	u8 mpe_checksum;	/* Extended table checksum */
+	u8 reserved;
+};
+
+/* Base MP configuration table entry types */
+
+enum mp_base_config_entry_type {
+	MP_PROCESSOR,
+	MP_BUS,
+	MP_IOAPIC,
+	MP_INTSRC,
+	MP_LINTSRC
+};
+
+#define MPC_CPU_EN	(1 << 0)
+#define MPC_CPU_BP	(1 << 1)
+
+struct mpc_config_processor {
+	u8 mpc_type;
+	u8 mpc_apicid;
+	u8 mpc_apicver;
+	u8 mpc_cpuflag;
+	u32 mpc_cpusignature;
+	u32 mpc_cpufeature;
+	u32 mpc_reserved[2];
+};
+
+#define BUSTYPE_CBUS	"CBUS  "
+#define BUSTYPE_CBUSII	"CBUSII"
+#define BUSTYPE_EISA	"EISA  "
+#define BUSTYPE_FUTURE	"FUTURE"
+#define BUSTYPE_INTERN	"INTERN"
+#define BUSTYPE_ISA	"ISA   "
+#define BUSTYPE_MBI	"MBI   "
+#define BUSTYPE_MBII	"MBII  "
+#define BUSTYPE_MCA	"MCA   "
+#define BUSTYPE_MPI	"MPI   "
+#define BUSTYPE_MPSA	"MPSA  "
+#define BUSTYPE_NUBUS	"NUBUS "
+#define BUSTYPE_PCI	"PCI   "
+#define BUSTYPE_PCMCIA	"PCMCIA"
+#define BUSTYPE_TC	"TC    "
+#define BUSTYPE_VL	"VL    "
+#define BUSTYPE_VME	"VME   "
+#define BUSTYPE_XPRESS	"XPRESS"
+
+struct mpc_config_bus {
+	u8 mpc_type;
+	u8 mpc_busid;
+	u8 mpc_bustype[6];
+};
+
+#define MPC_APIC_USABLE	(1 << 0)
+
+struct mpc_config_ioapic {
+	u8 mpc_type;
+	u8 mpc_apicid;
+	u8 mpc_apicver;
+	u8 mpc_flags;
+	u32 mpc_apicaddr;
+};
+
+enum mp_irq_source_types {
+	MP_INT,
+	MP_NMI,
+	MP_SMI,
+	MP_EXTINT
+};
+
+#define MP_IRQ_POLARITY_DEFAULT	0x0
+#define MP_IRQ_POLARITY_HIGH	0x1
+#define MP_IRQ_POLARITY_LOW	0x3
+#define MP_IRQ_POLARITY_MASK	0x3
+#define MP_IRQ_TRIGGER_DEFAULT	0x0
+#define MP_IRQ_TRIGGER_EDGE	0x4
+#define MP_IRQ_TRIGGER_LEVEL	0xc
+#define MP_IRQ_TRIGGER_MASK	0xc
+
+#define MP_APIC_ALL		0xff
+
+struct mpc_config_intsrc {
+	u8 mpc_type;
+	u8 mpc_irqtype;
+	u16 mpc_irqflag;
+	u8 mpc_srcbus;
+	u8 mpc_srcbusirq;
+	u8 mpc_dstapic;
+	u8 mpc_dstirq;
+};
+
+struct mpc_config_lintsrc {
+	u8 mpc_type;
+	u8 mpc_irqtype;
+	u16 mpc_irqflag;
+	u8 mpc_srcbusid;
+	u8 mpc_srcbusirq;
+	u8 mpc_destapic;
+	u8 mpc_destlint;
+};
+
+/* Extended MP configuration table entry types */
+
+enum mp_ext_config_entry_type {
+	MPE_SYSTEM_ADDRESS_SPACE = 128,
+	MPE_BUS_HIERARCHY,
+	MPE_COMPAT_ADDRESS_SPACE
+};
+
+struct mp_ext_config {
+	u8 mpe_type;
+	u8 mpe_length;
+};
+
+#define ADDRESS_TYPE_IO		0
+#define ADDRESS_TYPE_MEM	1
+#define ADDRESS_TYPE_PREFETCH	2
+
+struct mp_ext_system_address_space {
+	u8 mpe_type;
+	u8 mpe_length;
+	u8 mpe_busid;
+	u8 mpe_addr_type;
+	u32 mpe_addr_base_low;
+	u32 mpe_addr_base_high;
+	u32 mpe_addr_length_low;
+	u32 mpe_addr_length_high;
+};
+
+#define BUS_SUBTRACTIVE_DECODE	(1 << 0)
+
+struct mp_ext_bus_hierarchy {
+	u8 mpe_type;
+	u8 mpe_length;
+	u8 mpe_busid;
+	u8 mpe_bus_info;
+	u8 mpe_parent_busid;
+	u8 reserved[3];
+};
+
+#define ADDRESS_RANGE_ADD	0
+#define ADDRESS_RANGE_SUBTRACT	1
+
+/*
+ * X100 - X3FF
+ * X500 - X7FF
+ * X900 - XBFF
+ * XD00 - XFFF
+ */
+#define RANGE_LIST_IO_ISA	0
+/*
+ * X3B0 - X3BB
+ * X3C0 - X3DF
+ * X7B0 - X7BB
+ * X7C0 - X7DF
+ * XBB0 - XBBB
+ * XBC0 - XBDF
+ * XFB0 - XFBB
+ * XFC0 - XCDF
+ */
+#define RANGE_LIST_IO_VGA	1
+
+struct mp_ext_compat_address_space {
+	u8 mpe_type;
+	u8 mpe_length;
+	u8 mpe_busid;
+	u8 mpe_addr_modifier;
+	u32 mpe_range_list;
+};
+
+/**
+ * mp_next_mpc_entry() - Compute MP configuration table end to be used as
+ *                       next base table entry start address
+ *
+ * This computes the end address of current MP configuration table, without
+ * counting any extended configuration table entry.
+ *
+ * @mc:		configuration table header address
+ * @return:	configuration table end address
+ */
+static inline u32 mp_next_mpc_entry(struct mp_config_table *mc)
+{
+	return (u32)mc + mc->mpc_length;
+}
+
+/**
+ * mp_add_mpc_entry() - Add a base MP configuration table entry
+ *
+ * This adds the base MP configuration table entry size with
+ * added base table entry length and increases entry count by 1.
+ *
+ * @mc:		configuration table header address
+ * @length:	length of the added table entry
+ */
+static inline void mp_add_mpc_entry(struct mp_config_table *mc, uint length)
+{
+	mc->mpc_length += length;
+	mc->mpc_entry_count++;
+}
+
+/**
+ * mp_next_mpe_entry() - Compute MP configuration table end to be used as
+ *                       next extended table entry start address
+ *
+ * This computes the end address of current MP configuration table,
+ * including any extended configuration table entry.
+ *
+ * @mc:		configuration table header address
+ * @return:	configuration table end address
+ */
+static inline u32 mp_next_mpe_entry(struct mp_config_table *mc)
+{
+	return (u32)mc + mc->mpc_length + mc->mpe_length;
+}
+
+/**
+ * mp_add_mpe_entry() - Add an extended MP configuration table entry
+ *
+ * This adds the extended MP configuration table entry size with
+ * added extended table entry length.
+ *
+ * @mc:		configuration table header address
+ * @mpe:	extended table entry base address
+ */
+static inline void mp_add_mpe_entry(struct mp_config_table *mc,
+				    struct mp_ext_config *mpe)
+{
+	mc->mpe_length += mpe->mpe_length;
+}
+
+/**
+ * mp_write_floating_table() - Write the MP floating table
+ *
+ * This writes the MP floating table, and points MP configuration table
+ * to its end address so that MP configuration table follows immediately
+ * after the floating table.
+ *
+ * @mf:		MP floating table base address
+ * @return:	MP configuration table header address
+ */
+struct mp_config_table *mp_write_floating_table(struct mp_floating_table *mf);
+
+/**
+ * mp_config_table_init() - Initialize the MP configuration table header
+ *
+ * This populates the MP configuration table header with valid bits.
+ *
+ * @mc:		MP configuration table header address
+ */
+void mp_config_table_init(struct mp_config_table *mc);
+
+/**
+ * mp_write_processor() - Write a processor entry
+ *
+ * This writes a processor entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ */
+void mp_write_processor(struct mp_config_table *mc);
+
+/**
+ * mp_write_bus() - Write a bus entry
+ *
+ * This writes a bus entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ * @id:		bus id
+ * @bustype:	bus type name
+ */
+void mp_write_bus(struct mp_config_table *mc, int id, const char *bustype);
+
+/**
+ * mp_write_ioapic() - Write an I/O APIC entry
+ *
+ * This writes an I/O APIC entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ * @id:		I/O APIC id
+ * @ver:	I/O APIC version
+ * @apicaddr:	I/O APIC address
+ */
+void mp_write_ioapic(struct mp_config_table *mc, int id, int ver, u32 apicaddr);
+
+/**
+ * mp_write_intsrc() - Write an I/O interrupt assignment entry
+ *
+ * This writes an I/O interrupt assignment entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ * @irqtype:	IRQ type (INT/NMI/SMI/ExtINT)
+ * @irqflag:	IRQ flag (level/trigger)
+ * @srcbus:	source bus id where the interrupt comes from
+ * @srcbusirq:	IRQ number mapped on the source bus
+ * @dstapic:	destination I/O APIC id where the interrupt goes to
+ * @dstirq:	destination I/O APIC pin where the interrupt goes to
+ */
+void mp_write_intsrc(struct mp_config_table *mc, int irqtype, int irqflag,
+		     int srcbus, int srcbusirq, int dstapic, int dstirq);
+
+/**
+ * mp_write_pci_intsrc() - Write a PCI interrupt assignment entry
+ *
+ * This writes a PCI interrupt assignment entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ * @irqtype:	IRQ type (INT/NMI/SMI/ExtINT)
+ * @srcbus:	PCI bus number where the interrupt comes from
+ * @dev:	device number on the PCI bus
+ * @pin:	PCI interrupt pin (INT A/B/C/D)
+ * @dstapic:	destination I/O APIC id where the interrupt goes to
+ * @dstirq:	destination I/O APIC pin where the interrupt goes to
+ */
+void mp_write_pci_intsrc(struct mp_config_table *mc, int irqtype,
+			 int srcbus, int dev, int pin, int dstapic, int dstirq);
+
+/**
+ * mp_write_lintsrc() - Write a local interrupt assignment entry
+ *
+ * This writes a local interrupt assignment entry to the configuration table.
+ *
+ * @mc:		MP configuration table header address
+ * @irqtype:	IRQ type (INT/NMI/SMI/ExtINT)
+ * @irqflag:	IRQ flag (level/trigger)
+ * @srcbus:	PCI bus number where the interrupt comes from
+ * @srcbusirq:	IRQ number mapped on the source bus
+ * @dstapic:	destination local APIC id where the interrupt goes to
+ * @destlint:	destination local APIC pin where the interrupt goes to
+ */
+void mp_write_lintsrc(struct mp_config_table *mc, int irqtype, int irqflag,
+		      int srcbus, int srcbusirq, int destapic, int destlint);
+
+
+/**
+ * mp_write_address_space() - Write a system address space entry
+ *
+ * This writes a system address space entry to the configuration table.
+ *
+ * @mc:			MP configuration table header address
+ * @busid:		bus id for the bus where system address space is mapped
+ * @addr_type:		system address type
+ * @addr_base_low:	starting address low
+ * @addr_base_high:	starting address high
+ * @addr_length_low:	address length low
+ * @addr_length_high:	address length high
+ */
+void mp_write_address_space(struct mp_config_table *mc,
+			    int busid, int addr_type,
+			    u32 addr_base_low, u32 addr_base_high,
+			    u32 addr_length_low, u32 addr_length_high);
+
+/**
+ * mp_write_bus_hierarchy() - Write a bus hierarchy descriptor entry
+ *
+ * This writes a bus hierarchy descriptor entry to the configuration table.
+ *
+ * @mc:			MP configuration table header address
+ * @busid:		bus id
+ * @bus_info:		bit0 indicates if the bus is a subtractive decode bus
+ * @parent_busid:	parent bus id
+ */
+void mp_write_bus_hierarchy(struct mp_config_table *mc,
+			    int busid, int bus_info, int parent_busid);
+
+/**
+ * mp_write_compat_address_space() - Write a compat bus address space entry
+ *
+ * This writes a compatibility bus address space modifier entry to the
+ * configuration table.
+ *
+ * @mc:			MP configuration table header address
+ * @busid:		bus id
+ * @addr_modifier:	add or subtract to predefined address range list
+ * @range_list:		list of predefined address space ranges
+ */
+void mp_write_compat_address_space(struct mp_config_table *mc, int busid,
+				   int addr_modifier, u32 range_list);
+
+/**
+ * mptable_finalize() - Finalize the MP table
+ *
+ * This finalizes the MP table by calculating required checksums.
+ *
+ * @mc:		MP configuration table header address
+ * @return:	MP table end address
+ */
+u32 mptable_finalize(struct mp_config_table *mc);
+
+/**
+ * write_mp_table() - Write MP table
+ *
+ * This writes MP table at a given address.
+ *
+ * @addr:	start address to write MP table
+ * @return:	end address of MP table
+ */
+u32 write_mp_table(u32 addr);
+
+#endif /* __ASM_MPSPEC_H */
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 3ad617cb4a..70762eed10 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -21,6 +21,11 @@
 #define MTRR_CAP_MSR		0x0fe
 #define MTRR_DEF_TYPE_MSR	0x2ff
 
+#define MTRR_CAP_SMRR		(1 << 11)
+#define MTRR_CAP_WC		(1 << 10)
+#define MTRR_CAP_FIX		(1 << 8)
+#define MTRR_CAP_VCNT_MASK	0xff
+
 #define MTRR_DEF_TYPE_EN	(1 << 11)
 #define MTRR_DEF_TYPE_FIX_EN	(1 << 10)
 
@@ -38,17 +43,17 @@
 #define RANGES_PER_FIXED_MTRR	8
 #define NUM_FIXED_RANGES	(NUM_FIXED_MTRRS * RANGES_PER_FIXED_MTRR)
 
-#define MTRR_FIX_64K_00000_MSR 0x250
-#define MTRR_FIX_16K_80000_MSR 0x258
-#define MTRR_FIX_16K_A0000_MSR 0x259
-#define MTRR_FIX_4K_C0000_MSR 0x268
-#define MTRR_FIX_4K_C8000_MSR 0x269
-#define MTRR_FIX_4K_D0000_MSR 0x26a
-#define MTRR_FIX_4K_D8000_MSR 0x26b
-#define MTRR_FIX_4K_E0000_MSR 0x26c
-#define MTRR_FIX_4K_E8000_MSR 0x26d
-#define MTRR_FIX_4K_F0000_MSR 0x26e
-#define MTRR_FIX_4K_F8000_MSR 0x26f
+#define MTRR_FIX_64K_00000_MSR	0x250
+#define MTRR_FIX_16K_80000_MSR	0x258
+#define MTRR_FIX_16K_A0000_MSR	0x259
+#define MTRR_FIX_4K_C0000_MSR	0x268
+#define MTRR_FIX_4K_C8000_MSR	0x269
+#define MTRR_FIX_4K_D0000_MSR	0x26a
+#define MTRR_FIX_4K_D8000_MSR	0x26b
+#define MTRR_FIX_4K_E0000_MSR	0x26c
+#define MTRR_FIX_4K_E8000_MSR	0x26d
+#define MTRR_FIX_4K_F0000_MSR	0x26e
+#define MTRR_FIX_4K_F8000_MSR	0x26f
 
 #if !defined(__ASSEMBLER__)
 
diff --git a/arch/x86/include/asm/tables.h b/arch/x86/include/asm/tables.h
index 8146ba39b2..0aa6d9b33e 100644
--- a/arch/x86/include/asm/tables.h
+++ b/arch/x86/include/asm/tables.h
@@ -28,6 +28,20 @@
 u8 table_compute_checksum(void *v, int len);
 
 /**
+ * table_fill_string() - Fill a string with pad in the configuration table
+ *
+ * This fills a string in the configuration table. It copies number of bytes
+ * from the source string, and if source string length is shorter than the
+ * required size to copy, pad the table string with the given pad character.
+ *
+ * @dest:	where to fill a string
+ * @src:	where to copy from
+ * @n:		number of bytes to copy
+ * @pad:	character to pad the remaining bytes
+ */
+void table_fill_string(char *dest, const char *src, size_t n, char pad);
+
+/**
  * write_tables() - Write x86 configuration tables
  *
  * This writes x86 configuration tables, including PIRQ routing table,
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index d1d21ed660..4dae365a12 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -8,12 +8,19 @@
 #ifndef _U_BOOT_I386_H_
 #define _U_BOOT_I386_H_	1
 
+extern char gdt_rom[];
+
 /* cpu/.../cpu.c */
 int arch_cpu_init(void);
 int x86_cpu_init_f(void);
 int cpu_init_f(void);
 void init_gd(gd_t *id, u64 *gdt_addr);
 void setup_gdt(gd_t *id, u64 *gdt_addr);
+/*
+ * Setup FSP execution environment GDT to use the one we used in
+ * arch/x86/cpu/start16.S and reload the segment registers.
+ */
+void setup_fsp_gdt(void);
 int init_cache(void);
 int cleanup_before_linux(void);
 
@@ -49,6 +56,9 @@ u32 isa_map_rom(u32 bus_addr, int size);
 /* arch/x86/lib/... */
 int video_bios_init(void);
 
+/* arch/x86/lib/fsp/... */
+int x86_fsp_init(void);
+
 void	board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
 void	board_init_f_r(void) __attribute__ ((noreturn));
 
diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h
index 8e7dd424ca..bf351ed3b6 100644
--- a/arch/x86/include/asm/zimage.h
+++ b/arch/x86/include/asm/zimage.h
@@ -38,5 +38,6 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
 				ulong *load_addressp);
 int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
 		 unsigned long initrd_addr, unsigned long initrd_size);
+void setup_video(struct screen_info *screen_info);
 
 #endif
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 70ad19b263..43489fdc1f 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -15,6 +15,7 @@ obj-y	+= gcc.o
 obj-y	+= init_helpers.o
 obj-y	+= interrupts.o
 obj-y	+= lpc-uclass.o
+obj-y	+= mpspec.o
 obj-y += cmd_mtrr.o
 obj-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
 obj-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o
diff --git a/arch/x86/lib/bios_asm.S b/arch/x86/lib/bios_asm.S
index 4faa70e314..9dbf969373 100644
--- a/arch/x86/lib/bios_asm.S
+++ b/arch/x86/lib/bios_asm.S
@@ -246,6 +246,9 @@ __interrupt_handler_16bit = PTR_TO_REAL_MODE(.)
 	push	%fs
 	push	%gs
 
+	/* Save real mode SS */
+	movw	%ss, %cs:__realmode_ss
+
 	/* Clear DF to not break ABI assumptions */
 	cld
 
@@ -258,12 +261,29 @@ __interrupt_handler_16bit = PTR_TO_REAL_MODE(.)
 
 	enter_protected_mode
 
+	/*
+	 * Now we are in protected mode. We need compute the right ESP based
+	 * on saved real mode SS otherwise interrupt_handler() won't get
+	 * correct parameters from the stack.
+	 */
+	movzwl	%cs:__realmode_ss, %ecx
+	shll	$4, %ecx
+	addl	%ecx, %esp
+
 	/* Call the C interrupt handler */
 	movl	$interrupt_handler, %eax
 	call	*%eax
 
+	/* Restore real mode ESP based on saved SS */
+	movzwl	%cs:__realmode_ss, %ecx
+	shll	$4, %ecx
+	subl	%ecx, %esp
+
 	enter_real_mode
 
+	/* Restore real mode SS */
+	movw	%cs:__realmode_ss, %ss
+
 	/*
 	 * Restore all registers, including those manipulated by the C
 	 * handler
@@ -276,6 +296,9 @@ __interrupt_handler_16bit = PTR_TO_REAL_MODE(.)
 	popal
 	iret
 
+__realmode_ss = PTR_TO_REAL_MODE(.)
+	.word	0
+
 	.globl asm_realmode_code_size
 asm_realmode_code_size:
 	.long  . - asm_realmode_code
diff --git a/arch/x86/lib/bios_interrupts.c b/arch/x86/lib/bios_interrupts.c
index 290990a8bd..47d9f599a3 100644
--- a/arch/x86/lib/bios_interrupts.c
+++ b/arch/x86/lib/bios_interrupts.c
@@ -161,15 +161,7 @@ int int1a_handler(void)
 		bus = M.x86.R_EBX >> 8;
 		reg = M.x86.R_EDI;
 		dev = PCI_BDF(bus, devfn >> 3, devfn & 7);
-		if (!dev) {
-			debug("0x%x: BAD DEVICE bus %d devfn 0x%x\n", func,
-			      bus, devfn);
-			/* Or are we supposed to return PCIBIOS_NODEV? */
-			M.x86.R_EAX &= 0xffff00ff; /* Clear AH */
-			M.x86.R_EAX |= PCIBIOS_BADREG;
-			retval = 0;
-			return retval;
-		}
+
 		switch (func) {
 		case 0xb108: /* Read Config Byte */
 			byte = x86_pci_read_config8(dev, reg);
diff --git a/arch/x86/lib/cmd_mtrr.c b/arch/x86/lib/cmd_mtrr.c
index 7e0506b75d..f632f495ed 100644
--- a/arch/x86/lib/cmd_mtrr.c
+++ b/arch/x86/lib/cmd_mtrr.c
@@ -37,7 +37,8 @@ static int do_mtrr_list(void)
 		valid = mask & MTRR_PHYS_MASK_VALID;
 		type = mtrr_type_name[base & MTRR_BASE_TYPE_MASK];
 		printf("%d   %-5s %-12s %016llx %016llx %016llx\n", i,
-		       valid ? "Y" : "N", type, base, mask, size);
+		       valid ? "Y" : "N", type, base & ~MTRR_BASE_TYPE_MASK,
+		       mask & ~MTRR_PHYS_MASK_VALID, size);
 	}
 
 	return 0;
diff --git a/arch/x86/lib/fsp/fsp_car.S b/arch/x86/lib/fsp/fsp_car.S
index 5e09568b85..afbf3f9baa 100644
--- a/arch/x86/lib/fsp/fsp_car.S
+++ b/arch/x86/lib/fsp/fsp_car.S
@@ -56,28 +56,10 @@ temp_ram_init_ret:
 
 	/* stack grows down from top of CAR */
 	movl	%edx, %esp
+	subl	$4, %esp
 
-	/*
-	 * TODO:
-	 *
-	 * According to FSP architecture spec, the fsp_init() will not return
-	 * to its caller, instead it requires the bootloader to provide a
-	 * so-called continuation function to pass into the FSP as a parameter
-	 * of fsp_init, and fsp_init() will call that continuation function
-	 * directly.
-	 *
-	 * The call to fsp_init() may need to be moved out of the car_init()
-	 * to cpu_init_f() with the help of some inline assembly codes.
-	 * Note there is another issue that fsp_init() will setup another stack
-	 * using the fsp_init parameter stack_top after DRAM is initialized,
-	 * which means any data on the previous stack (on the CAR) gets lost
-	 * (ie: U-Boot global_data). FSP is supposed to support such scenario,
-	 * however it does not work. This should be revisited in the future.
-	 */
-	movl	$CONFIG_FSP_TEMP_RAM_ADDR, %eax
-	xorl	%edx, %edx
-	xorl	%ecx, %ecx
-	call	fsp_init
+	xor	%esi, %esi
+	jmp	car_init_done
 
 .global fsp_init_done
 fsp_init_done:
@@ -86,6 +68,8 @@ fsp_init_done:
 	 * Save eax to esi temporarily.
 	 */
 	movl	%eax, %esi
+
+car_init_done:
 	/*
 	 * Re-initialize the ebp (BIST) to zero, as we already reach here
 	 * which means we passed BIST testing before.
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index 001494d97d..5b256324e1 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -46,3 +46,11 @@ void board_final_cleanup(void)
 
 	return;
 }
+
+int x86_fsp_init(void)
+{
+	if (!gd->arch.hob_list)
+		fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, NULL);
+
+	return 0;
+}
diff --git a/arch/x86/lib/fsp/fsp_support.c b/arch/x86/lib/fsp/fsp_support.c
index 5809235b10..4585166083 100644
--- a/arch/x86/lib/fsp/fsp_support.c
+++ b/arch/x86/lib/fsp/fsp_support.c
@@ -173,6 +173,9 @@ void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf)
 
 	post_code(POST_PRE_MRC);
 
+	/* Load GDT for FSP */
+	setup_fsp_gdt();
+
 	/*
 	 * Use ASM code to ensure the register value in EAX & ECX
 	 * will be passed into BlContinuationFunc
diff --git a/arch/x86/lib/mpspec.c b/arch/x86/lib/mpspec.c
new file mode 100644
index 0000000000..f16fbcbb0d
--- /dev/null
+++ b/arch/x86/lib/mpspec.c
@@ -0,0 +1,382 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Adapted from coreboot src/arch/x86/boot/mpspec.c
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <cpu.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <asm/cpu.h>
+#include <asm/irq.h>
+#include <asm/ioapic.h>
+#include <asm/lapic.h>
+#include <asm/mpspec.h>
+#include <asm/tables.h>
+#include <dm/uclass-internal.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct mp_config_table *mp_write_floating_table(struct mp_floating_table *mf)
+{
+	u32 mc;
+
+	memcpy(mf->mpf_signature, MPF_SIGNATURE, 4);
+	mf->mpf_physptr = (u32)mf + sizeof(struct mp_floating_table);
+	mf->mpf_length = 1;
+	mf->mpf_spec = MPSPEC_V14;
+	mf->mpf_checksum = 0;
+	/* We don't use the default configuration table */
+	mf->mpf_feature1 = 0;
+	/* Indicate that virtual wire mode is always implemented */
+	mf->mpf_feature2 = 0;
+	mf->mpf_feature3 = 0;
+	mf->mpf_feature4 = 0;
+	mf->mpf_feature5 = 0;
+	mf->mpf_checksum = table_compute_checksum(mf, mf->mpf_length * 16);
+
+	mc = (u32)mf + sizeof(struct mp_floating_table);
+	return (struct mp_config_table *)mc;
+}
+
+void mp_config_table_init(struct mp_config_table *mc)
+{
+	memcpy(mc->mpc_signature, MPC_SIGNATURE, 4);
+	mc->mpc_length = sizeof(struct mp_config_table);
+	mc->mpc_spec = MPSPEC_V14;
+	mc->mpc_checksum = 0;
+	mc->mpc_oemptr = 0;
+	mc->mpc_oemsize = 0;
+	mc->mpc_entry_count = 0;
+	mc->mpc_lapic = LAPIC_DEFAULT_BASE;
+	mc->mpe_length = 0;
+	mc->mpe_checksum = 0;
+	mc->reserved = 0;
+
+	/* The oem/product id fields are exactly 8/12 bytes long */
+	table_fill_string(mc->mpc_oem, CONFIG_SYS_VENDOR, 8, ' ');
+	table_fill_string(mc->mpc_product, CONFIG_SYS_BOARD, 12, ' ');
+}
+
+void mp_write_processor(struct mp_config_table *mc)
+{
+	struct mpc_config_processor *mpc;
+	struct udevice *dev;
+	u8 boot_apicid, apicver;
+	u32 cpusignature, cpufeature;
+	struct cpuid_result result;
+
+	boot_apicid = lapicid();
+	apicver = lapic_read(LAPIC_LVR) & 0xff;
+	result = cpuid(1);
+	cpusignature = result.eax;
+	cpufeature = result.edx;
+
+	for (uclass_find_first_device(UCLASS_CPU, &dev);
+	     dev;
+	     uclass_find_next_device(&dev)) {
+		struct cpu_platdata *plat = dev_get_parent_platdata(dev);
+		u8 cpuflag = MPC_CPU_EN;
+
+		if (!device_active(dev))
+			continue;
+
+		mpc = (struct mpc_config_processor *)mp_next_mpc_entry(mc);
+		mpc->mpc_type = MP_PROCESSOR;
+		mpc->mpc_apicid = plat->cpu_id;
+		mpc->mpc_apicver = apicver;
+		if (boot_apicid == plat->cpu_id)
+			cpuflag |= MPC_CPU_BP;
+		mpc->mpc_cpuflag = cpuflag;
+		mpc->mpc_cpusignature = cpusignature;
+		mpc->mpc_cpufeature = cpufeature;
+		mpc->mpc_reserved[0] = 0;
+		mpc->mpc_reserved[1] = 0;
+		mp_add_mpc_entry(mc, sizeof(*mpc));
+	}
+}
+
+void mp_write_bus(struct mp_config_table *mc, int id, const char *bustype)
+{
+	struct mpc_config_bus *mpc;
+
+	mpc = (struct mpc_config_bus *)mp_next_mpc_entry(mc);
+	mpc->mpc_type = MP_BUS;
+	mpc->mpc_busid = id;
+	memcpy(mpc->mpc_bustype, bustype, 6);
+	mp_add_mpc_entry(mc, sizeof(*mpc));
+}
+
+void mp_write_ioapic(struct mp_config_table *mc, int id, int ver, u32 apicaddr)
+{
+	struct mpc_config_ioapic *mpc;
+
+	mpc = (struct mpc_config_ioapic *)mp_next_mpc_entry(mc);
+	mpc->mpc_type = MP_IOAPIC;
+	mpc->mpc_apicid = id;
+	mpc->mpc_apicver = ver;
+	mpc->mpc_flags = MPC_APIC_USABLE;
+	mpc->mpc_apicaddr = apicaddr;
+	mp_add_mpc_entry(mc, sizeof(*mpc));
+}
+
+void mp_write_intsrc(struct mp_config_table *mc, int irqtype, int irqflag,
+		     int srcbus, int srcbusirq, int dstapic, int dstirq)
+{
+	struct mpc_config_intsrc *mpc;
+
+	mpc = (struct mpc_config_intsrc *)mp_next_mpc_entry(mc);
+	mpc->mpc_type = MP_INTSRC;
+	mpc->mpc_irqtype = irqtype;
+	mpc->mpc_irqflag = irqflag;
+	mpc->mpc_srcbus = srcbus;
+	mpc->mpc_srcbusirq = srcbusirq;
+	mpc->mpc_dstapic = dstapic;
+	mpc->mpc_dstirq = dstirq;
+	mp_add_mpc_entry(mc, sizeof(*mpc));
+}
+
+void mp_write_pci_intsrc(struct mp_config_table *mc, int irqtype,
+			 int srcbus, int dev, int pin, int dstapic, int dstirq)
+{
+	u8 srcbusirq = (dev << 2) | (pin - 1);
+
+	mp_write_intsrc(mc, irqtype, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,
+			srcbus, srcbusirq, dstapic, dstirq);
+}
+
+void mp_write_lintsrc(struct mp_config_table *mc, int irqtype, int irqflag,
+		      int srcbus, int srcbusirq, int destapic, int destlint)
+{
+	struct mpc_config_lintsrc *mpc;
+
+	mpc = (struct mpc_config_lintsrc *)mp_next_mpc_entry(mc);
+	mpc->mpc_type = MP_LINTSRC;
+	mpc->mpc_irqtype = irqtype;
+	mpc->mpc_irqflag = irqflag;
+	mpc->mpc_srcbusid = srcbus;
+	mpc->mpc_srcbusirq = srcbusirq;
+	mpc->mpc_destapic = destapic;
+	mpc->mpc_destlint = destlint;
+	mp_add_mpc_entry(mc, sizeof(*mpc));
+}
+
+void mp_write_address_space(struct mp_config_table *mc,
+			    int busid, int addr_type,
+			    u32 addr_base_low, u32 addr_base_high,
+			    u32 addr_length_low, u32 addr_length_high)
+{
+	struct mp_ext_system_address_space *mpe;
+
+	mpe = (struct mp_ext_system_address_space *)mp_next_mpe_entry(mc);
+	mpe->mpe_type = MPE_SYSTEM_ADDRESS_SPACE;
+	mpe->mpe_length = sizeof(*mpe);
+	mpe->mpe_busid = busid;
+	mpe->mpe_addr_type = addr_type;
+	mpe->mpe_addr_base_low = addr_base_low;
+	mpe->mpe_addr_base_high = addr_base_high;
+	mpe->mpe_addr_length_low = addr_length_low;
+	mpe->mpe_addr_length_high = addr_length_high;
+	mp_add_mpe_entry(mc, (struct mp_ext_config *)mpe);
+}
+
+void mp_write_bus_hierarchy(struct mp_config_table *mc,
+			    int busid, int bus_info, int parent_busid)
+{
+	struct mp_ext_bus_hierarchy *mpe;
+
+	mpe = (struct mp_ext_bus_hierarchy *)mp_next_mpe_entry(mc);
+	mpe->mpe_type = MPE_BUS_HIERARCHY;
+	mpe->mpe_length = sizeof(*mpe);
+	mpe->mpe_busid = busid;
+	mpe->mpe_bus_info = bus_info;
+	mpe->mpe_parent_busid = parent_busid;
+	mpe->reserved[0] = 0;
+	mpe->reserved[1] = 0;
+	mpe->reserved[2] = 0;
+	mp_add_mpe_entry(mc, (struct mp_ext_config *)mpe);
+}
+
+void mp_write_compat_address_space(struct mp_config_table *mc, int busid,
+				   int addr_modifier, u32 range_list)
+{
+	struct mp_ext_compat_address_space *mpe;
+
+	mpe = (struct mp_ext_compat_address_space *)mp_next_mpe_entry(mc);
+	mpe->mpe_type = MPE_COMPAT_ADDRESS_SPACE;
+	mpe->mpe_length = sizeof(*mpe);
+	mpe->mpe_busid = busid;
+	mpe->mpe_addr_modifier = addr_modifier;
+	mpe->mpe_range_list = range_list;
+	mp_add_mpe_entry(mc, (struct mp_ext_config *)mpe);
+}
+
+u32 mptable_finalize(struct mp_config_table *mc)
+{
+	u32 end;
+
+	mc->mpe_checksum = table_compute_checksum((void *)mp_next_mpc_entry(mc),
+						  mc->mpe_length);
+	mc->mpc_checksum = table_compute_checksum(mc, mc->mpc_length);
+	end = mp_next_mpe_entry(mc);
+
+	debug("Write the MP table at: %x - %x\n", (u32)mc, end);
+
+	return end;
+}
+
+static void mptable_add_isa_interrupts(struct mp_config_table *mc, int bus_isa,
+				       int apicid, int external_int2)
+{
+	int i;
+
+	mp_write_intsrc(mc, external_int2 ? MP_INT : MP_EXTINT,
+			MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			bus_isa, 0, apicid, 0);
+	mp_write_intsrc(mc, MP_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			bus_isa, 1, apicid, 1);
+	mp_write_intsrc(mc, external_int2 ? MP_EXTINT : MP_INT,
+			MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			bus_isa, 0, apicid, 2);
+
+	for (i = 3; i < 16; i++)
+		mp_write_intsrc(mc, MP_INT,
+				MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+				bus_isa, i, apicid, i);
+}
+
+/*
+ * Check duplicated I/O interrupt assignment table entry, to make sure
+ * there is only one entry with the given bus, device and interrupt pin.
+ */
+static bool check_dup_entry(struct mpc_config_intsrc *intsrc_base,
+			    int entry_num, int bus, int device, int pin)
+{
+	struct mpc_config_intsrc *intsrc = intsrc_base;
+	int i;
+
+	for (i = 0; i < entry_num; i++) {
+		if (intsrc->mpc_srcbus == bus &&
+		    intsrc->mpc_srcbusirq == ((device << 2) | (pin - 1)))
+			break;
+		intsrc++;
+	}
+
+	return (i == entry_num) ? false : true;
+}
+
+static int mptable_add_intsrc(struct mp_config_table *mc,
+			      int bus_isa, int apicid)
+{
+	struct mpc_config_intsrc *intsrc_base;
+	int intsrc_entries = 0;
+	const void *blob = gd->fdt_blob;
+	int node;
+	int len, count;
+	const u32 *cell;
+	int i;
+
+	/* Legacy Interrupts */
+	debug("Writing ISA IRQs\n");
+	mptable_add_isa_interrupts(mc, bus_isa, apicid, 0);
+
+	/* Get I/O interrupt information from device tree */
+	node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_IRQ_ROUTER);
+	if (node < 0) {
+		debug("%s: Cannot find irq router node\n", __func__);
+		return -ENOENT;
+	}
+
+	cell = fdt_getprop(blob, node, "intel,pirq-routing", &len);
+	if (!cell)
+		return -ENOENT;
+
+	if ((len % sizeof(struct pirq_routing)) == 0)
+		count = len / sizeof(struct pirq_routing);
+	else
+		return -EINVAL;
+
+	intsrc_base = (struct mpc_config_intsrc *)mp_next_mpc_entry(mc);
+
+	for (i = 0; i < count; i++) {
+		struct pirq_routing pr;
+
+		pr.bdf = fdt_addr_to_cpu(cell[0]);
+		pr.pin = fdt_addr_to_cpu(cell[1]);
+		pr.pirq = fdt_addr_to_cpu(cell[2]);
+
+		if (check_dup_entry(intsrc_base, intsrc_entries,
+				    PCI_BUS(pr.bdf), PCI_DEV(pr.bdf), pr.pin)) {
+			debug("found entry for bus %d device %d INT%c, skipping\n",
+			      PCI_BUS(pr.bdf), PCI_DEV(pr.bdf),
+			      'A' + pr.pin - 1);
+			cell += sizeof(struct pirq_routing) / sizeof(u32);
+			continue;
+		}
+
+		/* PIRQ[A-H] are always connected to I/O APIC INTPIN#16-23 */
+		mp_write_pci_intsrc(mc, MP_INT, PCI_BUS(pr.bdf),
+				    PCI_DEV(pr.bdf), pr.pin, apicid,
+				    pr.pirq + 16);
+		intsrc_entries++;
+		cell += sizeof(struct pirq_routing) / sizeof(u32);
+	}
+
+	return 0;
+}
+
+static void mptable_add_lintsrc(struct mp_config_table *mc, int bus_isa)
+{
+	mp_write_lintsrc(mc, MP_EXTINT,
+			 MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			 bus_isa, 0, MP_APIC_ALL, 0);
+	mp_write_lintsrc(mc, MP_NMI,
+			 MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			 bus_isa, 0, MP_APIC_ALL, 1);
+}
+
+u32 write_mp_table(u32 addr)
+{
+	struct mp_config_table *mc;
+	int ioapic_id, ioapic_ver;
+	int bus_isa = 0xff;
+	int ret;
+	u32 end;
+
+	/* 16 byte align the table address */
+	addr = ALIGN(addr, 16);
+
+	/* Write floating table */
+	mc = mp_write_floating_table((struct mp_floating_table *)addr);
+
+	/* Write configuration table header */
+	mp_config_table_init(mc);
+
+	/* Write processor entry */
+	mp_write_processor(mc);
+
+	/* Write bus entry */
+	mp_write_bus(mc, bus_isa, BUSTYPE_ISA);
+
+	/* Write I/O APIC entry */
+	ioapic_id = io_apic_read(IO_APIC_ID) >> 24;
+	ioapic_ver = io_apic_read(IO_APIC_VER) & 0xff;
+	mp_write_ioapic(mc, ioapic_id, ioapic_ver, IO_APIC_ADDR);
+
+	/* Write I/O interrupt assignment entry */
+	ret = mptable_add_intsrc(mc, bus_isa, ioapic_id);
+	if (ret)
+		debug("Failed to write I/O interrupt assignment table\n");
+
+	/* Write local interrupt assignment entry */
+	mptable_add_lintsrc(mc, bus_isa);
+
+	/* Finalize the MP table */
+	end = mptable_finalize(mc);
+
+	return end;
+}
diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 8031201a49..75ffbc1b22 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <asm/sfi.h>
+#include <asm/mpspec.h>
 #include <asm/tables.h>
 
 u8 table_compute_checksum(void *v, int len)
@@ -20,6 +21,20 @@ u8 table_compute_checksum(void *v, int len)
 	return checksum;
 }
 
+void table_fill_string(char *dest, const char *src, size_t n, char pad)
+{
+	int start, len;
+	int i;
+
+	strncpy(dest, src, n);
+
+	/* Fill the remaining bytes with pad */
+	len = strlen(src);
+	start = len < n ? len : n;
+	for (i = start; i < n; i++)
+		dest[i] = pad;
+}
+
 void write_tables(void)
 {
 	u32 __maybe_unused rom_table_end = ROM_TABLE_ADDR;
@@ -32,4 +47,8 @@ void write_tables(void)
 	rom_table_end = write_sfi_table(rom_table_end);
 	rom_table_end = ALIGN(rom_table_end, 1024);
 #endif
+#ifdef CONFIG_GENERATE_MP_TABLE
+	rom_table_end = write_mp_table(rom_table_end);
+	rom_table_end = ALIGN(rom_table_end, 1024);
+#endif
 }
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index c3f8a7308f..144471c5bb 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -273,6 +273,8 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
 		build_command_line(cmd_line, auto_boot);
 	}
 
+	setup_video(&setup_base->screen_info);
+
 	return 0;
 }