cpu/amd: Move model_10xxx to family_10h-family_15h

Change-Id: I34501d3fc68b71db7781dad11d5b883868932a60
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11965
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 964 insertions, 0 deletions

diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c
new file mode 100644
index 0000000000..d618c0c277
--- /dev/null
+++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c
@@ -0,0 +1,964 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "cpu/amd/car/post_cache_as_ram.c"
+#include "defaults.h"
+#include <stdlib.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mtrr.h>
+#include <northbridge/amd/amdfam10/amdfam10.h>
+#include <northbridge/amd/amdht/AsPsDefs.h>
+#include <northbridge/amd/amdht/porting.h>
+
+#include <northbridge/amd/amdfam10/raminit_amdmct.c>
+#include <reset.h>
+
+static void prep_fid_change(void);
+static void init_fidvid_stage2(u32 apicid, u32 nodeid);
+void cpuSetAMDMSR(void);
+
+#if CONFIG_PCI_IO_CFG_EXT
+static void set_EnableCf8ExtCfg(void)
+{
+	// set the NB_CFG[46]=1;
+	msr_t msr;
+	msr = rdmsr(NB_CFG_MSR);
+	// EnableCf8ExtCfg: We need that to access CONFIG_PCI_IO_CFG_EXT 4K range
+	msr.hi |= (1 << (46 - 32));
+	wrmsr(NB_CFG_MSR, msr);
+}
+#else
+static void set_EnableCf8ExtCfg(void) { }
+#endif
+
+
+typedef void (*process_ap_t) (u32 apicid, void *gp);
+
+//core_range = 0 : all cores
+//core range = 1 : core 0 only
+//core range = 2 : cores other than core0
+
+static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap,
+			void *gp)
+{
+	// here assume the OS don't change our apicid
+	u32 ap_apicid;
+
+	u32 nodes;
+	u32 siblings;
+	u32 disable_siblings;
+	u32 cores_found;
+	u32 nb_cfg_54;
+	int i, j;
+	u32 ApicIdCoreIdSize;
+	uint8_t rev_gte_d = 0;
+	uint8_t dual_node = 0;
+	uint32_t f3xe8;
+
+	/* get_nodes define in ht_wrapper.c */
+	nodes = get_nodes();
+
+	if (!CONFIG_LOGICAL_CPUS ||
+	    read_option(multi_core, 0) != 0) {	// 0 means multi core
+		disable_siblings = 1;
+	} else {
+		disable_siblings = 0;
+	}
+
+	/* Assume that all node are same stepping, otherwise we can use use
+	   nb_cfg_54 from bsp for all nodes */
+	nb_cfg_54 = read_nb_cfg_54();
+	f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8);
+
+	if (cpuid_eax(0x80000001) >= 0x8)
+		/* Revision D or later */
+		rev_gte_d = 1;
+
+	if (rev_gte_d)
+		 /* Check for dual node capability */
+		if (f3xe8 & 0x20000000)
+			dual_node = 1;
+
+	ApicIdCoreIdSize = (cpuid_ecx(0x80000008) >> 12 & 0xf);
+	if (ApicIdCoreIdSize) {
+		siblings = ((1 << ApicIdCoreIdSize) - 1);
+	} else {
+		siblings = 3;	//quad core
+	}
+
+	for (i = 0; i < nodes; i++) {
+		cores_found = get_core_num_in_bsp(i);
+		if (siblings > cores_found)
+			siblings = cores_found;
+
+		u32 jstart, jend;
+
+		if (core_range == 2) {
+			jstart = 1;
+		} else {
+			jstart = 0;
+		}
+
+		if (disable_siblings || (core_range == 1)) {
+			jend = 0;
+		} else {
+			jend = cores_found;
+		}
+
+		for (j = jstart; j <= jend; j++) {
+			if (dual_node) {
+				ap_apicid = 0;
+				if (nb_cfg_54) {
+					ap_apicid |= ((i >> 1) & 0x3) << 4;			/* Node ID */
+					ap_apicid |= ((i & 0x1) * (siblings + 1)) + j;		/* Core ID */
+				} else {
+					ap_apicid |= i & 0x3;					/* Node ID */
+					ap_apicid |= (((i & 0x1) * (siblings + 1)) + j) << 4;	/* Core ID */
+				}
+			} else {
+				ap_apicid =
+				i * (nb_cfg_54 ? (siblings + 1) : 1) +
+				j * (nb_cfg_54 ? 1 : 64);
+			}
+
+
+#if CONFIG_ENABLE_APIC_EXT_ID && (CONFIG_APIC_ID_OFFSET > 0)
+#if !CONFIG_LIFT_BSP_APIC_ID
+			if ((i != 0) || (j != 0))	/* except bsp */
+#endif
+				ap_apicid += CONFIG_APIC_ID_OFFSET;
+#endif
+
+			if (ap_apicid == bsp_apicid)
+				continue;
+
+			process_ap(ap_apicid, gp);
+
+		}
+	}
+}
+
+static inline int lapic_remote_read(int apicid, int reg, u32 *pvalue)
+{
+	int timeout;
+	u32 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));
+
+/* Extra busy check compared to lapic.h */
+	timeout = 0;
+	do {
+		status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
+	} while (status == LAPIC_ICR_BUSY && timeout++ < 1000);
+
+	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;
+}
+
+#if CONFIG_SET_FIDVID
+static void init_fidvid_ap(u32 apicid, u32 nodeid, u32 coreid);
+#endif
+
+static inline __attribute__ ((always_inline))
+void print_apicid_nodeid_coreid(u32 apicid, struct node_core_id id,
+				const char *str)
+{
+	printk(BIOS_DEBUG,
+	       "%s --- { APICID = %02x NODEID = %02x COREID = %02x} ---\n", str,
+	       apicid, id.nodeid, id.coreid);
+}
+
+static u32 wait_cpu_state(u32 apicid, u32 state)
+{
+	u32 readback = 0;
+	u32 timeout = 1;
+	int loop = 4000000;
+	while (--loop > 0) {
+		if (lapic_remote_read(apicid, LAPIC_MSG_REG, &readback) != 0)
+			continue;
+		if ((readback & 0x3f) == state || (readback & 0x3f) == F10_APSTATE_RESET) {
+			timeout = 0;
+			break;	//target cpu is in stage started
+		}
+	}
+	if (timeout) {
+		if (readback) {
+			timeout = readback;
+		}
+	}
+
+	return timeout;
+}
+
+static void wait_ap_started(u32 ap_apicid, void *gp)
+{
+	u32 timeout;
+	timeout = wait_cpu_state(ap_apicid, F10_APSTATE_STARTED);
+	printk(BIOS_DEBUG, "* AP %02x", ap_apicid);
+	if (timeout) {
+		printk(BIOS_DEBUG, " timed out:%08x\n", timeout);
+	} else {
+		printk(BIOS_DEBUG, "started\n");
+	}
+}
+
+void wait_all_other_cores_started(u32 bsp_apicid)
+{
+	// all aps other than core0
+	printk(BIOS_DEBUG, "started ap apicid: ");
+	for_each_ap(bsp_apicid, 2, wait_ap_started, (void *)0);
+	printk(BIOS_DEBUG, "\n");
+}
+
+void allow_all_aps_stop(u32 bsp_apicid)
+{
+	/* Called by the BSP to indicate AP can stop */
+
+	/* FIXME Do APs use this? */
+
+	// allow aps to stop use 6 bits for state
+	lapic_write(LAPIC_MSG_REG, (bsp_apicid << 24) | F10_APSTATE_STOPPED);
+}
+
+static void enable_apic_ext_id(u32 node)
+{
+	u32 val;
+
+	val = pci_read_config32(NODE_HT(node), 0x68);
+	val |= (HTTC_APIC_EXT_SPUR | HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST);
+	pci_write_config32(NODE_HT(node), 0x68, val);
+}
+
+static void STOP_CAR_AND_CPU(void)
+{
+	msr_t msr;
+
+	/* Disable L2 IC to L3 connection (Only for CAR) */
+	msr = rdmsr(BU_CFG2);
+	msr.lo &= ~(1 << ClLinesToNbDis);
+	wrmsr(BU_CFG2, msr);
+
+	disable_cache_as_ram();	// inline
+	/* stop all cores except node0/core0 the bsp .... */
+	stop_this_cpu();
+}
+
+static u32 init_cpus(u32 cpu_init_detectedx, struct sys_info *sysinfo)
+{
+	u32 bsp_apicid = 0;
+	u32 apicid;
+	struct node_core_id id;
+
+	/* Please refer to the calculations and explaination in cache_as_ram.inc before modifying these values */
+	uint32_t max_ap_stack_region_size = CONFIG_MAX_CPUS * CONFIG_DCACHE_AP_STACK_SIZE;
+	uint32_t max_bsp_stack_region_size = CONFIG_DCACHE_BSP_STACK_SIZE + CONFIG_DCACHE_BSP_STACK_SLUSH;
+	uint32_t bsp_stack_region_upper_boundary = CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE;
+	uint32_t bsp_stack_region_lower_boundary = bsp_stack_region_upper_boundary - max_bsp_stack_region_size;
+	void * lower_stack_region_boundary = (void*)(bsp_stack_region_lower_boundary - max_ap_stack_region_size);
+	if (((void*)(sysinfo + 1)) > lower_stack_region_boundary)
+		printk(BIOS_WARNING,
+			"sysinfo extends into stack region (sysinfo range: [%p,%p] lower stack region boundary: %p)\n",
+			sysinfo, sysinfo + 1, lower_stack_region_boundary);
+
+	/*
+	 * already set early mtrr in cache_as_ram.inc
+	 */
+
+	/* that is from initial apicid, we need nodeid and coreid
+	   later */
+	id = get_node_core_id_x();
+
+	/* NB_CFG MSR is shared between cores, so we need make sure
+	   core0 is done at first --- use wait_all_core0_started  */
+	if (id.coreid == 0) {
+		set_apicid_cpuid_lo();	/* only set it on core0 */
+		set_EnableCf8ExtCfg();	/* only set it on core0 */
+#if CONFIG_ENABLE_APIC_EXT_ID
+		enable_apic_ext_id(id.nodeid);
+#endif
+	}
+
+	enable_lapic();
+
+#if CONFIG_ENABLE_APIC_EXT_ID && (CONFIG_APIC_ID_OFFSET > 0)
+	u32 initial_apicid = get_initial_apicid();
+
+#if !CONFIG_LIFT_BSP_APIC_ID
+	if (initial_apicid != 0)	// other than bsp
+#endif
+	{
+		/* use initial apic id to lift it */
+		u32 dword = lapic_read(LAPIC_ID);
+		dword &= ~(0xff << 24);
+		dword |=
+		    (((initial_apicid + CONFIG_APIC_ID_OFFSET) & 0xff) << 24);
+
+		lapic_write(LAPIC_ID, dword);
+	}
+#if CONFIG_LIFT_BSP_APIC_ID
+	bsp_apicid += CONFIG_APIC_ID_OFFSET;
+#endif
+
+#endif
+
+	/* get the apicid, it may be lifted already */
+	apicid = lapicid();
+
+	// show our apicid, nodeid, and coreid
+	if (id.coreid == 0) {
+		if (id.nodeid != 0)	//all core0 except bsp
+			print_apicid_nodeid_coreid(apicid, id, " core0: ");
+	} else {		//all other cores
+		print_apicid_nodeid_coreid(apicid, id, " corex: ");
+	}
+
+	if (cpu_init_detectedx) {
+		print_apicid_nodeid_coreid(apicid, id,
+					   "\n\n\nINIT detected from ");
+		printk(BIOS_DEBUG, "\nIssuing SOFT_RESET...\n");
+		soft_reset();
+	}
+
+	if (id.coreid == 0) {
+		if (!(warm_reset_detect(id.nodeid)))	//FIXME: INIT is checked above but check for more resets?
+			distinguish_cpu_resets(id.nodeid);	// Also indicates we are started
+	}
+	// Mark the core as started.
+	lapic_write(LAPIC_MSG_REG, (apicid << 24) | F10_APSTATE_STARTED);
+
+	if (apicid != bsp_apicid) {
+		/* Setup each AP's cores MSRs.
+		 * This happens after HTinit.
+		 * The BSP runs this code in it's own path.
+		 */
+		update_microcode(cpuid_eax(1));
+
+		cpuSetAMDMSR();
+
+#if CONFIG_SET_FIDVID
+#if CONFIG_LOGICAL_CPUS && CONFIG_SET_FIDVID_CORE0_ONLY
+		// Run on all AP for proper FID/VID setup.
+		if (id.coreid == 0)	// only need set fid for core0
+#endif
+		{
+			// check warm(bios) reset to call stage2 otherwise do stage1
+			if (warm_reset_detect(id.nodeid)) {
+				printk(BIOS_DEBUG,
+				       "init_fidvid_stage2 apicid: %02x\n",
+				       apicid);
+				init_fidvid_stage2(apicid, id.nodeid);
+			} else {
+				printk(BIOS_DEBUG,
+				       "init_fidvid_ap(stage1) apicid: %02x\n",
+				       apicid);
+				init_fidvid_ap(apicid, id.nodeid, id.coreid);
+			}
+		}
+#endif
+
+		/* AP is ready, configure MTRRs and go to sleep */
+		set_var_mtrr(0, 0x00000000, CONFIG_RAMTOP, MTRR_TYPE_WRBACK);
+
+		STOP_CAR_AND_CPU();
+
+		printk(BIOS_DEBUG,
+		       "\nAP %02x should be halted but you are reading this....\n",
+		       apicid);
+	}
+
+	return bsp_apicid;
+}
+
+static u32 is_core0_started(u32 nodeid)
+{
+	u32 htic;
+	device_t device;
+	device = NODE_PCI(nodeid, 0);
+	htic = pci_read_config32(device, HT_INIT_CONTROL);
+	htic &= HTIC_ColdR_Detect;
+	return htic;
+}
+
+void wait_all_core0_started(void)
+{
+	/* When core0 is started, it will distingush_cpu_resets
+	 * So wait for that to finish */
+	u32 i;
+	u32 nodes = get_nodes();
+
+	printk(BIOS_DEBUG, "core0 started: ");
+	for (i = 1; i < nodes; i++) {	// skip bsp, because it is running on bsp
+		while (!is_core0_started(i)) {
+		}
+		printk(BIOS_DEBUG, " %02x", i);
+	}
+	printk(BIOS_DEBUG, "\n");
+}
+
+#if CONFIG_MAX_PHYSICAL_CPUS > 1
+/**
+ * void start_node(u32 node)
+ *
+ *  start the core0 in node, so it can generate HT packet to feature code.
+ *
+ * This function starts the AP nodes core0s. wait_all_core0_started() in
+ * romstage.c waits for all the AP to be finished before continuing
+ * system init.
+ */
+static void start_node(u8 node)
+{
+	u32 val;
+
+	/* Enable routing table */
+	printk(BIOS_DEBUG, "Start node %02x", node);
+
+#if CONFIG_NORTHBRIDGE_AMD_AMDFAM10
+	/* For FAM10 support, we need to set Dram base/limit for the new node */
+	pci_write_config32(NODE_MP(node), 0x44, 0);
+	pci_write_config32(NODE_MP(node), 0x40, 3);
+#endif
+
+	/* Allow APs to make requests (ROM fetch) */
+	val = pci_read_config32(NODE_HT(node), 0x6c);
+	val &= ~(1 << 1);
+	pci_write_config32(NODE_HT(node), 0x6c, val);
+
+	printk(BIOS_DEBUG, " done.\n");
+}
+
+/**
+ * static void setup_remote_node(u32 node)
+ *
+ * Copy the BSP Address Map to each AP.
+ */
+static void setup_remote_node(u8 node)
+{
+	/* There registers can be used with F1x114_x Address Map at the
+	   same time, So must set them even 32 node */
+	static const u16 pci_reg[] = {
+		/* DRAM Base/Limits Registers */
+		0x44, 0x4c, 0x54, 0x5c, 0x64, 0x6c, 0x74, 0x7c,
+		0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78,
+		0x144, 0x14c, 0x154, 0x15c, 0x164, 0x16c, 0x174, 0x17c,
+		0x140, 0x148, 0x150, 0x158, 0x160, 0x168, 0x170, 0x178,
+		/* MMIO Base/Limits Registers */
+		0x84, 0x8c, 0x94, 0x9c, 0xa4, 0xac, 0xb4, 0xbc,
+		0x80, 0x88, 0x90, 0x98, 0xa0, 0xa8, 0xb0, 0xb8,
+		/* IO Base/Limits Registers */
+		0xc4, 0xcc, 0xd4, 0xdc,
+		0xc0, 0xc8, 0xd0, 0xd8,
+		/* Configuration Map Registers */
+		0xe0, 0xe4, 0xe8, 0xec,
+	};
+	u16 i;
+
+	printk(BIOS_DEBUG, "setup_remote_node: %02x", node);
+
+	/* copy the default resource map from node 0 */
+	for (i = 0; i < ARRAY_SIZE(pci_reg); i++) {
+		u32 value;
+		u16 reg;
+		reg = pci_reg[i];
+		value = pci_read_config32(NODE_MP(0), reg);
+		pci_write_config32(NODE_MP(node), reg, value);
+
+	}
+	printk(BIOS_DEBUG, " done\n");
+}
+#endif				/* CONFIG_MAX_PHYSICAL_CPUS > 1 */
+
+static void AMD_Errata281(u8 node, u32 revision, u32 platform)
+{
+	/* Workaround for Transaction Scheduling Conflict in
+	 * Northbridge Cross Bar.  Implement XCS Token adjustment
+	 * for ganged links.  Also, perform fix up for the mixed
+	 * revision case.
+	 */
+
+	u32 reg, val;
+	u8 i;
+	u8 mixed = 0;
+	u8 nodes = get_nodes();
+
+	if (platform & AMD_PTYPE_SVR) {
+		/* For each node we need to check for a "broken" node */
+		if (!(revision & (AMD_DR_B0 | AMD_DR_B1))) {
+			for (i = 0; i < nodes; i++) {
+				if (mctGetLogicalCPUID(i) &
+				    (AMD_DR_B0 | AMD_DR_B1)) {
+					mixed = 1;
+					break;
+				}
+			}
+		}
+
+		if ((revision & (AMD_DR_B0 | AMD_DR_B1)) || mixed) {
+
+			/* F0X68[22:21] DsNpReqLmt0 = 01b */
+			val = pci_read_config32(NODE_PCI(node, 0), 0x68);
+			val &= ~0x00600000;
+			val |= 0x00200000;
+			pci_write_config32(NODE_PCI(node, 0), 0x68, val);
+
+			/* F3X6C */
+			val = pci_read_config32(NODE_PCI(node, 3), 0x6C);
+			val &= ~0x700780F7;
+			val |= 0x00010094;
+			pci_write_config32(NODE_PCI(node, 3), 0x6C, val);
+
+			/* F3X7C */
+			val = pci_read_config32(NODE_PCI(node, 3), 0x7C);
+			val &= ~0x707FFF1F;
+			val |= 0x00144514;
+			pci_write_config32(NODE_PCI(node, 3), 0x7C, val);
+
+			/* F3X144[3:0] RspTok = 0001b */
+			val = pci_read_config32(NODE_PCI(node, 3), 0x144);
+			val &= ~0x0000000F;
+			val |= 0x00000001;
+			pci_write_config32(NODE_PCI(node, 3), 0x144, val);
+
+			for (i = 0; i < 3; i++) {
+				reg = 0x148 + (i * 4);
+				val = pci_read_config32(NODE_PCI(node, 3), reg);
+				val &= ~0x000000FF;
+				val |= 0x000000DB;
+				pci_write_config32(NODE_PCI(node, 3), reg, val);
+			}
+		}
+	}
+}
+
+static void AMD_Errata298(void)
+{
+	/* Workaround for L2 Eviction May Occur during operation to
+	 * set Accessed or dirty bit.
+	 */
+
+	msr_t msr;
+	u8 i;
+	u8 affectedRev = 0;
+	u8 nodes = get_nodes();
+
+	/* For each core we need to check for a "broken" node */
+	for (i = 0; i < nodes; i++) {
+		if (mctGetLogicalCPUID(i) & (AMD_DR_B0 | AMD_DR_B1 | AMD_DR_B2)) {
+			affectedRev = 1;
+			break;
+		}
+	}
+
+	if (affectedRev) {
+		msr = rdmsr(HWCR);
+		msr.lo |= 0x08;	/* Set TlbCacheDis bit[3] */
+		wrmsr(HWCR, msr);
+
+		msr = rdmsr(BU_CFG);
+		msr.lo |= 0x02;	/* Set TlbForceMemTypeUc bit[1] */
+		wrmsr(BU_CFG, msr);
+
+		msr = rdmsr(OSVW_ID_Length);
+		msr.lo |= 0x01;	/* OS Visible Workaround - MSR */
+		wrmsr(OSVW_ID_Length, msr);
+
+		msr = rdmsr(OSVW_Status);
+		msr.lo |= 0x01;	/* OS Visible Workaround - MSR */
+		wrmsr(OSVW_Status, msr);
+	}
+
+	if (!affectedRev && (mctGetLogicalCPUID(0xFF) & AMD_DR_B3)) {
+		msr = rdmsr(OSVW_ID_Length);
+		msr.lo |= 0x01;	/* OS Visible Workaround - MSR */
+		wrmsr(OSVW_ID_Length, msr);
+
+	}
+}
+
+static u32 get_platform_type(void)
+{
+	u32 ret = 0;
+
+	switch (SYSTEM_TYPE) {
+	case 1:
+		ret |= AMD_PTYPE_DSK;
+		break;
+	case 2:
+		ret |= AMD_PTYPE_MOB;
+		break;
+	case 0:
+		ret |= AMD_PTYPE_SVR;
+		break;
+	default:
+		break;
+	}
+
+	/* FIXME: add UMA support. */
+
+	/* All Fam10 are multi core */
+	ret |= AMD_PTYPE_MC;
+
+	return ret;
+}
+
+static void AMD_SetupPSIVID_d(u32 platform_type, u8 node)
+{
+	u32 dword;
+	int i;
+	msr_t msr;
+
+	if (platform_type & (AMD_PTYPE_MOB | AMD_PTYPE_DSK)) {
+
+		/* The following code sets the PSIVID to the lowest support P state
+		 * assuming that the VID for the lowest power state is below
+		 * the VDD voltage regulator threshold. (This also assumes that there
+		 * is a Pstate lower than P0)
+		 */
+
+		for (i = 4; i >= 0; i--) {
+			msr = rdmsr(PS_REG_BASE + i);
+			/*  Pstate valid? */
+			if (msr.hi & PS_EN_MASK) {
+				dword = pci_read_config32(NODE_PCI(i, 3), 0xA0);
+				dword &= ~0x7F;
+				dword |= (msr.lo >> 9) & 0x7F;
+				pci_write_config32(NODE_PCI(i, 3), 0xA0, dword);
+				break;
+			}
+		}
+	}
+}
+
+/**
+ * AMD_CpuFindCapability - Traverse PCI capability list to find host HT links.
+ *  HT Phy operations are not valid on links that aren't present, so this
+ *  prevents invalid accesses.
+ *
+ * Returns the offset of the link register.
+ */
+static BOOL AMD_CpuFindCapability(u8 node, u8 cap_count, u8 * offset)
+{
+	u32 reg;
+	u32 val;
+
+	/* get start of CPU HT Host Capabilities */
+	val = pci_read_config32(NODE_PCI(node, 0), 0x34);
+	val &= 0xFF;		//reg offset of first link
+
+	cap_count++;
+
+	/* Traverse through the capabilities. */
+	do {
+		reg = pci_read_config32(NODE_PCI(node, 0), val);
+		/* Is the capability block a HyperTransport capability block? */
+		if ((reg & 0xFF) == 0x08) {
+			/* Is the HT capability block an HT Host Capability? */
+			if ((reg & 0xE0000000) == (1 << 29))
+				cap_count--;
+		}
+
+		if (cap_count)
+			val = (reg >> 8) & 0xFF;	//update reg offset
+	} while (cap_count && val);
+
+	*offset = (u8) val;
+
+	/* If requested capability found val != 0 */
+	if (!cap_count)
+		return TRUE;
+	else
+		return FALSE;
+}
+
+/**
+ * AMD_checkLinkType - Compare desired link characteristics using a logical
+ *     link type mask.
+ *
+ * Returns the link characteristic mask.
+ */
+static u32 AMD_checkLinkType(u8 node, u8 link, u8 regoff)
+{
+	u32 val;
+	u32 linktype = 0;
+
+	/* Check connect, init and coherency */
+	val = pci_read_config32(NODE_PCI(node, 0), regoff + 0x18);
+	val &= 0x1F;
+
+	if (val == 3)
+		linktype |= HTPHY_LINKTYPE_COHERENT;
+
+	if (val == 7)
+		linktype |= HTPHY_LINKTYPE_NONCOHERENT;
+
+	if (linktype) {
+		/* Check gen3 */
+		val = pci_read_config32(NODE_PCI(node, 0), regoff + 0x08);
+
+		if (((val >> 8) & 0x0F) > 6)
+			linktype |= HTPHY_LINKTYPE_HT3;
+		else
+			linktype |= HTPHY_LINKTYPE_HT1;
+
+		/* Check ganged */
+		val = pci_read_config32(NODE_PCI(node, 0), (link << 2) + 0x170);
+
+		if (val & 1)
+			linktype |= HTPHY_LINKTYPE_GANGED;
+		else
+			linktype |= HTPHY_LINKTYPE_UNGANGED;
+	}
+	return linktype;
+}
+
+/**
+ * AMD_SetHtPhyRegister - Use the HT link's HT Phy portal registers to update
+ *   a phy setting for that link.
+ */
+static void AMD_SetHtPhyRegister(u8 node, u8 link, u8 entry)
+{
+	u32 phyReg;
+	u32 phyBase;
+	u32 val;
+
+	/* Determine this link's portal */
+	if (link > 3)
+		link -= 4;
+
+	phyBase = ((u32) link << 3) | 0x180;
+
+	/* Get the portal control register's initial value
+	 * and update it to access the desired phy register
+	 */
+	phyReg = pci_read_config32(NODE_PCI(node, 4), phyBase);
+
+	if (fam10_htphy_default[entry].htreg > 0x1FF) {
+		phyReg &= ~HTPHY_DIRECT_OFFSET_MASK;
+		phyReg |= HTPHY_DIRECT_MAP;
+	} else {
+		phyReg &= ~HTPHY_OFFSET_MASK;
+	}
+
+	/* Now get the current phy register data
+	 * LinkPhyDone = 0, LinkPhyWrite = 0 is a read
+	 */
+	phyReg |= fam10_htphy_default[entry].htreg;
+	pci_write_config32(NODE_PCI(node, 4), phyBase, phyReg);
+
+	do {
+		val = pci_read_config32(NODE_PCI(node, 4), phyBase);
+	} while (!(val & HTPHY_IS_COMPLETE_MASK));
+
+	/* Now we have the phy register data, apply the change */
+	val = pci_read_config32(NODE_PCI(node, 4), phyBase + 4);
+	val &= ~fam10_htphy_default[entry].mask;
+	val |= fam10_htphy_default[entry].data;
+	pci_write_config32(NODE_PCI(node, 4), phyBase + 4, val);
+
+	/* write it through the portal to the phy
+	 * LinkPhyDone = 0, LinkPhyWrite = 1 is a write
+	 */
+	phyReg |= HTPHY_WRITE_CMD;
+	pci_write_config32(NODE_PCI(node, 4), phyBase, phyReg);
+
+	do {
+		val = pci_read_config32(NODE_PCI(node, 4), phyBase);
+	} while (!(val & HTPHY_IS_COMPLETE_MASK));
+}
+
+void cpuSetAMDMSR(void)
+{
+	/* This routine loads the CPU with default settings in fam10_msr_default
+	 * table . It must be run after Cache-As-RAM has been enabled, and
+	 * Hypertransport initialization has taken place.  Also note
+	 * that it is run on the current processor only, and only for the current
+	 * processor core.
+	 */
+	msr_t msr;
+	u8 i;
+	u32 revision, platform;
+
+	printk(BIOS_DEBUG, "cpuSetAMDMSR ");
+
+	revision = mctGetLogicalCPUID(0xFF);
+	platform = get_platform_type();
+
+	for (i = 0; i < ARRAY_SIZE(fam10_msr_default); i++) {
+		if ((fam10_msr_default[i].revision & revision) &&
+		    (fam10_msr_default[i].platform & platform)) {
+			msr = rdmsr(fam10_msr_default[i].msr);
+			msr.hi &= ~fam10_msr_default[i].mask_hi;
+			msr.hi |= fam10_msr_default[i].data_hi;
+			msr.lo &= ~fam10_msr_default[i].mask_lo;
+			msr.lo |= fam10_msr_default[i].data_lo;
+			wrmsr(fam10_msr_default[i].msr, msr);
+		}
+	}
+	AMD_Errata298();
+
+	printk(BIOS_DEBUG, " done\n");
+}
+
+static void cpuSetAMDPCI(u8 node)
+{
+	/* This routine loads the CPU with default settings in fam10_pci_default
+	 * table . It must be run after Cache-As-RAM has been enabled, and
+	 * Hypertransport initialization has taken place.  Also note
+	 * that it is run for the first core on each node
+	 */
+	u8 i, j;
+	u32 revision, platform;
+	u32 val;
+	u8 offset;
+
+	printk(BIOS_DEBUG, "cpuSetAMDPCI %02d", node);
+
+	revision = mctGetLogicalCPUID(node);
+	platform = get_platform_type();
+
+	AMD_SetupPSIVID_d(platform, node);	/* Set PSIVID offset which is not table driven */
+
+	for (i = 0; i < ARRAY_SIZE(fam10_pci_default); i++) {
+		if ((fam10_pci_default[i].revision & revision) &&
+		    (fam10_pci_default[i].platform & platform)) {
+			val = pci_read_config32(NODE_PCI(node,
+							 fam10_pci_default[i].
+							 function),
+						fam10_pci_default[i].offset);
+			val &= ~fam10_pci_default[i].mask;
+			val |= fam10_pci_default[i].data;
+			pci_write_config32(NODE_PCI(node,
+						    fam10_pci_default[i].
+						    function),
+					   fam10_pci_default[i].offset, val);
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(fam10_htphy_default); i++) {
+		if ((fam10_htphy_default[i].revision & revision) &&
+		    (fam10_htphy_default[i].platform & platform)) {
+			/* HT Phy settings either apply to both sublinks or have
+			 * separate registers for sublink zero and one, so there
+			 * will be two table entries. So, here we only loop
+			 * through the sublink zeros in function zero.
+			 */
+			for (j = 0; j < 4; j++) {
+				if (AMD_CpuFindCapability(node, j, &offset)) {
+					if (AMD_checkLinkType(node, j, offset)
+					    & fam10_htphy_default[i].linktype) {
+						AMD_SetHtPhyRegister(node, j,
+								     i);
+					}
+				} else {
+					/* No more capabilities,
+					 * link not present
+					 */
+					break;
+				}
+			}
+		}
+	}
+
+	/* FIXME: add UMA support and programXbarToSriReg(); */
+
+	AMD_Errata281(node, revision, platform);
+
+	/* FIXME: if the dct phy doesn't init correct it needs to reset.
+	   if (revision & (AMD_DR_B2 | AMD_DR_B3))
+	   dctPhyDiag(); */
+
+	printk(BIOS_DEBUG, " done\n");
+}
+
+#ifdef UNUSED_CODE
+static void cpuInitializeMCA(void)
+{
+	/* Clears Machine Check Architecture (MCA) registers, which power on
+	 * containing unknown data, on currently running processor.
+	 * This routine should only be executed on initial power on (cold boot),
+	 * not across a warm reset because valid data is present at that time.
+	 */
+
+	msr_t msr;
+	u32 reg;
+	u8 i;
+
+	if (cpuid_edx(1) & 0x4080) {	/* MCE and MCA (edx[7] and edx[14]) */
+		msr = rdmsr(MCG_CAP);
+		if (msr.lo & MCG_CTL_P) {	/* MCG_CTL_P bit is set? */
+			msr.lo &= 0xFF;
+			msr.lo--;
+			msr.lo <<= 2;	/* multiply the count by 4 */
+			reg = MC0_STA + msr.lo;
+			msr.lo = msr.hi = 0;
+			for (i = 0; i < 4; i++) {
+				wrmsr(reg, msr);
+				reg -= 4;	/* Touch status regs for each bank */
+			}
+		}
+	}
+}
+#endif
+
+/**
+ * finalize_node_setup()
+ *
+ * Do any additional post HT init
+ *
+ */
+static void finalize_node_setup(struct sys_info *sysinfo)
+{
+	u8 i;
+	u8 nodes = get_nodes();
+	u32 reg;
+
+	/* read Node0 F0_0x64 bit [8:10] to find out SbLink # */
+	reg = pci_read_config32(NODE_HT(0), 0x64);
+	sysinfo->sblk = (reg >> 8) & 7;
+	sysinfo->sbbusn = 0;
+	sysinfo->nodes = nodes;
+	sysinfo->sbdn = get_sbdn(sysinfo->sbbusn);
+
+	for (i = 0; i < nodes; i++) {
+		cpuSetAMDPCI(i);
+	}
+
+#if CONFIG_SET_FIDVID
+	// Prep each node for FID/VID setup.
+	prep_fid_change();
+#endif
+
+#if CONFIG_MAX_PHYSICAL_CPUS > 1
+	/* Skip the BSP, start at node 1 */
+	for (i = 1; i < nodes; i++) {
+		setup_remote_node(i);
+		start_node(i);
+	}
+#endif
+}
+
+#include "fidvid.c"