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-rw-r--r--src/cpu/amd/model_10xxx/fidvid.c1676
-rw-r--r--src/cpu/amd/model_10xxx/init_cpus.c1893
2 files changed, 1783 insertions, 1786 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid.c b/src/cpu/amd/model_10xxx/fidvid.c
index 7007d4cf8f..6104f9c3f6 100644
--- a/src/cpu/amd/model_10xxx/fidvid.c
+++ b/src/cpu/amd/model_10xxx/fidvid.c
@@ -1,838 +1,838 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Advanced Micro Devices, Inc.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#if SET_FIDVID == 1
-#include <northbridge/amd/amdht/AsPsDefs.h>
-
-#define SET_FIDVID_DEBUG 1
-
-// if we are tight of CAR stack, disable it
-#define SET_FIDVID_STORE_AP_APICID_AT_FIRST 1
-
-static inline void print_debug_fv(const char *str, u32 val)
-{
-#if SET_FIDVID_DEBUG == 1
- printk(BIOS_DEBUG, "%s%x\n", str, val);
-#endif
-}
-
-static inline void print_debug_fv_8(const char *str, u8 val)
-{
-#if SET_FIDVID_DEBUG == 1
- printk(BIOS_DEBUG, "%s%02x\n", str, val);
-#endif
-}
-
-static inline void print_debug_fv_64(const char *str, u32 val, u32 val2)
-{
-#if SET_FIDVID_DEBUG == 1
- printk(BIOS_DEBUG, "%s%x%x\n", str, val, val2);
-#endif
-}
-
-struct fidvid_st {
- u32 common_fid;
-};
-
-static void enable_fid_change(u8 fid)
-{
- u32 dword;
- u32 nodes;
- device_t dev;
- int i;
-
- nodes = get_nodes();
-
- for (i = 0; i < nodes; i++) {
- dev = NODE_PCI(i, 3);
- dword = pci_read_config32(dev, 0xd4);
- dword &= ~0x1F;
- dword |= (u32) fid & 0x1F;
- dword |= 1 << 5; // enable
- pci_write_config32(dev, 0xd4, dword);
- printk(BIOS_DEBUG, "FID Change Node:%02x, F3xD4: %08x \n", i,
- dword);
- }
-}
-
-static void recalculateVsSlamTimeSettingOnCorePre(device_t dev)
-{
- u8 pviModeFlag;
- u8 highVoltageVid, lowVoltageVid, bValue;
- u16 minimumSlamTime;
- u16 vSlamTimes[7] = { 1000, 2000, 3000, 4000, 6000, 10000, 20000 }; /* Reg settings scaled by 100 */
- u32 dtemp;
- msr_t msr;
-
- /* This function calculates the VsSlamTime using the range of possible
- * voltages instead of a hardcoded 200us.
- * Note:This function is called from setFidVidRegs and setUserPs after
- * programming a custom Pstate.
- */
-
- /* Calculate Slam Time
- * Vslam = 0.4us/mV * Vp0 - (lowest out of Vpmin or Valt)
- * In our case, we will scale the values by 100 to avoid
- * decimals.
- */
-
- /* Determine if this is a PVI or SVI system */
- dtemp = pci_read_config32(dev, 0xA0);
-
- if (dtemp & PVI_MODE)
- pviModeFlag = 1;
- else
- pviModeFlag = 0;
-
- /* Get P0's voltage */
- msr = rdmsr(0xC0010064);
- highVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
-
- /* If SVI, we only care about CPU VID.
- * If PVI, determine the higher voltage b/t NB and CPU
- */
- if (pviModeFlag) {
- bValue = (u8) ((msr.lo >> PS_NB_VID_SHFT) & 0x7F);
- if (highVoltageVid > bValue)
- highVoltageVid = bValue;
- }
-
- /* Get Pmin's index */
- msr = rdmsr(0xC0010061);
- bValue = (u8) ((msr.lo >> PS_CUR_LIM_SHFT) & BIT_MASK_3);
-
- /* Get Pmin's VID */
- msr = rdmsr(0xC0010064 + bValue);
- lowVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
-
- /* If SVI, we only care about CPU VID.
- * If PVI, determine the higher voltage b/t NB and CPU
- */
- if (pviModeFlag) {
- bValue = (u8) ((msr.lo >> PS_NB_VID_SHFT) & 0x7F);
- if (lowVoltageVid > bValue)
- lowVoltageVid = bValue;
- }
-
- /* Get AltVID */
- dtemp = pci_read_config32(dev, 0xDC);
- bValue = (u8) (dtemp & BIT_MASK_7);
-
- /* Use the VID with the lowest voltage (higher VID) */
- if (lowVoltageVid < bValue)
- lowVoltageVid = bValue;
-
- /* If Vids are 7Dh - 7Fh, force 7Ch to keep calculations linear */
- if (lowVoltageVid > 0x7C) {
- lowVoltageVid = 0x7C;
- if (highVoltageVid > 0x7C)
- highVoltageVid = 0x7C;
- }
-
- bValue = (u8) (lowVoltageVid - highVoltageVid);
-
- /* Each Vid increment is 12.5 mV. The minimum slam time is:
- * vidCodeDelta * 12.5mV * 0.4us/mV
- * Scale by 100 to avoid decimals.
- */
- minimumSlamTime = bValue * (125 * 4);
-
- /* Now round up to nearest register setting.
- * Note that if we don't find a value, we
- * will fall through to a value of 7
- */
- for (bValue = 0; bValue < 7; bValue++) {
- if (minimumSlamTime <= vSlamTimes[bValue])
- break;
- }
-
- /* Apply the value */
- dtemp = pci_read_config32(dev, 0xD8);
- dtemp &= VSSLAM_MASK;
- dtemp |= bValue;
- pci_write_config32(dev, 0xd8, dtemp);
-}
-
-static void prep_fid_change(void)
-{
- u32 dword, dtemp;
- u32 nodes;
- device_t dev;
- int i;
-
- /* This needs to be run before any Pstate changes are requested */
-
- nodes = get_nodes();
-
- for (i = 0; i < nodes; i++) {
- printk(BIOS_DEBUG, "Prep FID/VID Node:%02x \n", i);
- dev = NODE_PCI(i, 3);
-
- dword = pci_read_config32(dev, 0xd8);
- dword &= VSRAMP_MASK;
- dword |= VSRAMP_VALUE;
- pci_write_config32(dev, 0xd8, dword);
-
- /* Figure out the value for VsSlamTime and program it */
- recalculateVsSlamTimeSettingOnCorePre(dev);
-
- /* Program fields in Clock Power/Control register0 (F3xD4) */
- /* set F3xD4 Clock Power/Timing Control 0 Register
- * NbClkDidApplyAll=1b
- * NbClkDid=100b
- * PowerStepUp= "platform dependent"
- * PowerStepDown= "platform dependent"
- * LinkPllLink=01b
- * ClkRampHystSel=HW default
- */
- /* check platform type */
- if (!(get_platform_type() & AMD_PTYPE_SVR)) {
- /* For non-server platform
- * PowerStepUp=01000b - 50nS
- * PowerStepDown=01000b - 50ns
- */
- dword = pci_read_config32(dev, 0xd4);
- dword &= CPTC0_MASK;
- dword |= NB_CLKDID_ALL | NB_CLKDID | PW_STP_UP50 | PW_STP_DN50 | LNK_PLL_LOCK; /* per BKDG */
- pci_write_config32(dev, 0xd4, dword);
- } else {
- dword = pci_read_config32(dev, 0xd4);
- dword &= CPTC0_MASK;
- /* get number of cores for PowerStepUp & PowerStepDown in server
- 1 core - 400nS - 0000b
- 2 cores - 200nS - 0010b
- 3 cores - 133nS -> 100nS - 0011b
- 4 cores - 100nS - 0011b
- */
- switch (get_core_num_in_bsp(i)) {
- case 0:
- dword |= PW_STP_UP400 | PW_STP_DN400;
- break;
- case 1:
- case 2:
- dword |= PW_STP_UP200 | PW_STP_DN200;
- break;
- case 3:
- dword |= PW_STP_UP100 | PW_STP_DN100;
- break;
- default:
- dword |= PW_STP_UP100 | PW_STP_DN100;
- break;
- }
- dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK;
- pci_write_config32(dev, 0xd4, dword);
- }
-
- /* check PVI/SVI */
- dword = pci_read_config32(dev, 0xA0);
- if (dword & PVI_MODE) { /* PVI */
- /* set slamVidMode to 0 for PVI */
- dword &= VID_SLAM_OFF | PLLLOCK_OFF;
- dword |= PLLLOCK_DFT_L;
- pci_write_config32(dev, 0xA0, dword);
- } else { /* SVI */
- /* set slamVidMode to 1 for SVI */
- dword &= PLLLOCK_OFF;
- dword |= PLLLOCK_DFT_L | VID_SLAM_ON;
- pci_write_config32(dev, 0xA0, dword);
-
- dtemp = dword;
-
- /* Program F3xD8[PwrPlanes] according F3xA0[DulaVdd] */
- dword = pci_read_config32(dev, 0xD8);
-
- if (dtemp & DUAL_VDD_BIT)
- dword |= PWR_PLN_ON;
- else
- dword &= PWR_PLN_OFF;
- pci_write_config32(dev, 0xD8, dword);
- }
-
- /* Note the following settings are additional from the ported
- * function setFidVidRegs()
- */
- dword = pci_read_config32(dev, 0xDc);
- dword |= 0x5 << 12; /* NbsynPtrAdj set to 0x5 per BKDG (needs reset) */
- pci_write_config32(dev, 0xdc, dword);
-
- /* Rev B settings - FIXME: support other revs. */
- dword = 0xA0E641E6;
- pci_write_config32(dev, 0x84, dword);
-
- dword = 0xE600A681;
- pci_write_config32(dev, 0x80, dword);
-
- dword = pci_read_config32(dev, 0x80);
- printk(BIOS_DEBUG, " F3x80: %08x \n", dword);
- dword = pci_read_config32(dev, 0x84);
- printk(BIOS_DEBUG, " F3x84: %08x \n", dword);
- dword = pci_read_config32(dev, 0xD4);
- printk(BIOS_DEBUG, " F3xD4: %08x \n", dword);
- dword = pci_read_config32(dev, 0xD8);
- printk(BIOS_DEBUG, " F3xD8: %08x \n", dword);
- dword = pci_read_config32(dev, 0xDC);
- printk(BIOS_DEBUG, " F3xDC: %08x \n", dword);
-
-
- }
-}
-
-
-static void UpdateSinglePlaneNbVid(void)
-{
- u32 nbVid, cpuVid;
- u8 i;
- msr_t msr;
-
- /* copy higher voltage (lower VID) of NBVID & CPUVID to both */
- for (i = 0; i < 5; i++) {
- msr = rdmsr(PS_REG_BASE + i);
- nbVid = (msr.lo & PS_CPU_VID_M_ON) >> PS_CPU_VID_SHFT;
- cpuVid = (msr.lo & PS_NB_VID_M_ON) >> PS_NB_VID_SHFT;
-
- if (nbVid != cpuVid) {
- if (nbVid > cpuVid)
- nbVid = cpuVid;
-
- msr.lo = msr.lo & PS_BOTH_VID_OFF;
- msr.lo = msr.lo | (u32) ((nbVid) << PS_NB_VID_SHFT);
- msr.lo = msr.lo | (u32) ((nbVid) << PS_CPU_VID_SHFT);
- wrmsr(PS_REG_BASE + i, msr);
- }
- }
-}
-
-static void fixPsNbVidBeforeWR(u32 newNbVid, u32 coreid)
-{
- msr_t msr;
- u8 startup_pstate;
-
- /* This function sets NbVid before the warm reset.
- * Get StartupPstate from MSRC001_0071.
- * Read Pstate register pionted by [StartupPstate].
- * and copy its content to P0 and P1 registers.
- * Copy newNbVid to P0[NbVid].
- * transition to P1 on all cores,
- * then transition to P0 on core 0.
- * Wait for MSRC001_0063[CurPstate] = 000b on core 0.
- */
-
- msr = rdmsr(0xc0010071);
- startup_pstate = (msr.hi >> (32 - 32)) & 0x07;
-
- /* Copy startup pstate to P1 and P0 MSRs. Set the maxvid for this node in P0.
- * Then transition to P1 for corex and P0 for core0.
- * These setting will be cleared by the warm reset
- */
- msr = rdmsr(0xC0010064 + startup_pstate);
- wrmsr(0xC0010065, msr);
- wrmsr(0xC0010064, msr);
-
- msr.lo &= ~0xFE000000; // clear nbvid
- msr.lo |= newNbVid << 25;
- wrmsr(0xC0010064, msr);
-
- UpdateSinglePlaneNbVid();
-
- // Transition to P1 for all APs and P0 for core0.
- msr = rdmsr(0xC0010062);
- msr.lo = (msr.lo & ~0x07) | 1;
- wrmsr(0xC0010062, msr);
-
- // Wait for P1 to set.
- do {
- msr = rdmsr(0xC0010063);
- } while (msr.lo != 1);
-
- if (coreid == 0) {
- msr.lo = msr.lo & ~0x07;
- wrmsr(0xC0010062, msr);
- // Wait for P0 to set.
- do {
- msr = rdmsr(0xC0010063);
- } while (msr.lo != 0);
- }
-}
-
-static void coreDelay(void)
-{
- u32 saved;
- u32 hi, lo, msr;
- u32 cycles;
-
- /* delay ~40us
- This seems like a hack to me...
- It would be nice to have a central delay function. */
-
- cycles = 8000 << 3; /* x8 (number of 1.25ns ticks) */
-
- msr = 0x10; /* TSC */
- _RDMSR(msr, &lo, &hi);
- saved = lo;
- do {
- _RDMSR(msr, &lo, &hi);
- } while (lo - saved < cycles);
-}
-
-static void transitionVid(u32 targetVid, u8 dev, u8 isNb)
-{
- u32 currentVid, dtemp;
- msr_t msr;
- u8 vsTimecode;
- u16 timeTable[8] = { 10, 20, 30, 40, 60, 100, 200, 500 };
- int vsTime;
-
- /* This function steps or slam the Nb VID to the target VID.
- * It uses VSRampTime for [SlamVidMode]=0 ([PviMode]=1)
- * or VSSlamTime for [SlamVidMode]=1 ([PviMode]=0)to time period.
- */
-
- /* get the current VID */
- msr = rdmsr(0xC0010071);
- if (isNb)
- currentVid = (msr.lo >> NB_VID_POS) & BIT_MASK_7;
- else
- currentVid = (msr.lo >> CPU_VID_POS) & BIT_MASK_7;
-
- /* Read MSRC001_0070 COFVID Control Register */
- msr = rdmsr(0xC0010070);
-
- /* check PVI/SPI */
- dtemp = pci_read_config32(dev, 0xA0);
- if (dtemp & PVI_MODE) { /* PVI, step VID */
- if (currentVid < targetVid) {
- while (currentVid < targetVid) {
- currentVid++;
- if (isNb)
- msr.lo = (msr.lo & NB_VID_MASK_OFF) | (currentVid << NB_VID_POS);
- else
- msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (currentVid << CPU_VID_POS);
- wrmsr(0xC0010070, msr);
-
- /* read F3xD8[VSRampTime] */
- dtemp = pci_read_config32(dev, 0xD8);
- vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
- vsTime = (int)timeTable[vsTimecode];
- do {
- coreDelay();
- vsTime -= 40;
- } while (vsTime > 0);
- }
- } else if (currentVid > targetVid) {
- while (currentVid > targetVid) {
- currentVid--;
- if (isNb)
- msr.lo = (msr.lo & NB_VID_MASK_OFF) | (currentVid << NB_VID_POS);
- else
- msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (currentVid << CPU_VID_POS);
- wrmsr(0xC0010070, msr);
-
- /* read F3xD8[VSRampTime] */
- dtemp = pci_read_config32(dev, 0xD8);
- vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
- vsTime = (int)timeTable[vsTimecode];
- do {
- coreDelay();
- vsTime -= 40;
- } while (vsTime > 0);
- }
- }
- } else { /* SVI, slam VID */
- if (isNb)
- msr.lo = (msr.lo & NB_VID_MASK_OFF) | (targetVid << NB_VID_POS);
- else
- msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (targetVid << CPU_VID_POS);
- wrmsr(0xC0010070, msr);
-
- /* read F3xD8[VSRampTime] */
- dtemp = pci_read_config32(dev, 0xD8);
- vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
- vsTime = (int)timeTable[vsTimecode];
- do {
- coreDelay();
- vsTime -= 40;
- } while (vsTime > 0);
- }
-}
-
-
-static void init_fidvid_ap(u32 bsp_apicid, u32 apicid, u32 nodeid, u32 coreid)
-{
- device_t dev;
- u32 vid_max;
- u32 fid_max;
- u8 nb_cof_vid_update;
- u8 pvimode;
- u32 reg1fc;
- u32 send;
- u8 nodes;
- u8 i;
-
- printk(BIOS_DEBUG, "FIDVID on AP: %02x\n", apicid);
-
- /* Steps 1-6 of BIOS NB COF and VID Configuration
- * for SVI and Single-Plane PVI Systems.
- */
-
- /* If any node has nb_cof_vid_update set all nodes need an update. */
- nodes = get_nodes();
- nb_cof_vid_update = 0;
- for (i = 0; i < nodes; i++) {
- if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
- nb_cof_vid_update = 1;
- break;
- }
- }
-
- dev = NODE_PCI(nodeid, 3);
- pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
- reg1fc = pci_read_config32(dev, 0x1FC);
-
- if (nb_cof_vid_update) {
- if (pvimode) {
- vid_max = (reg1fc >> 7) & 0x7F;
- fid_max = (reg1fc >> 2) & 0x1F;
-
- /* write newNbVid to P-state Reg's NbVid always if NbVidUpdatedAll=1 */
- fixPsNbVidBeforeWR(vid_max, coreid);
- } else { /* SVI */
- vid_max = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
- fid_max = ((reg1fc >> 2) & 0x1F) + ((reg1fc >> 14) & 0x7);
- transitionVid(vid_max, dev, IS_NB);
- }
-
- /* fid setup is handled by the BSP at the end. */
-
- } else { /* ! nb_cof_vid_update */
- /* Use max values */
- if (pvimode)
- UpdateSinglePlaneNbVid();
- }
-
- send = (nb_cof_vid_update << 16) | (fid_max << 8);
- send |= (apicid << 24); // ap apicid
-
- // Send signal to BSP about this AP max fid
- // This also indicates this AP is ready for warm reset (if required).
- lapic_write(LAPIC_MSG_REG, send | 1);
-}
-
-static u32 calc_common_fid(u32 fid_packed, u32 fid_packed_new)
-{
- u32 fidmax;
- u32 fidmax_new;
-
- fidmax = (fid_packed >> 8) & 0xFF;
-
- fidmax_new = (fid_packed_new >> 8) & 0xFF;
-
- if (fidmax > fidmax_new) {
- fidmax = fidmax_new;
- }
-
- fid_packed &= 0xFF << 16;
- fid_packed |= (fidmax << 8);
- fid_packed |= fid_packed_new & (0xFF << 16); // set nb_cof_vid_update
-
- return fid_packed;
-}
-
-static void init_fidvid_bsp_stage1(u32 ap_apicid, void *gp)
-{
- u32 readback = 0;
- u32 timeout = 1;
-
- struct fidvid_st *fvp = gp;
- int loop;
-
- print_debug_fv("Wait for AP stage 1: ap_apicid = ", ap_apicid);
-
- loop = 100000;
- while (--loop > 0) {
- if (lapic_remote_read(ap_apicid, LAPIC_MSG_REG, &readback) != 0)
- continue;
- if ((readback & 0x3f) == 1) {
- timeout = 0;
- break; /* target ap is in stage 1 */
- }
- }
-
- if (timeout) {
- printk(BIOS_DEBUG, "%s: timed out reading from ap %02x\n",
- __func__, ap_apicid);
- return;
- }
-
- print_debug_fv("\treadback = ", readback);
-
- fvp->common_fid = calc_common_fid(fvp->common_fid, readback);
-
- print_debug_fv("\tcommon_fid(packed) = ", fvp->common_fid);
-
-}
-
-static void updateSviPsNbVidAfterWR(u32 newNbVid)
-{
- msr_t msr;
- u8 i;
-
- /* This function copies newNbVid to NbVid bits in P-state Registers[4:0]
- * for SVI mode.
- */
-
- for (i = 0; i < 5; i++) {
- msr = rdmsr(0xC0010064 + i);
- if ((msr.hi >> 31) & 1) { /* PstateEn? */
- msr.lo &= ~(0x7F << 25);
- msr.lo |= (newNbVid & 0x7F) << 25;
- wrmsr(0xC0010064 + i, msr);
- }
- }
-}
-
-
-static void fixPsNbVidAfterWR(u32 newNbVid, u8 NbVidUpdatedAll)
-{
- msr_t msr;
- u8 i;
- u8 StartupPstate;
-
- /* This function copies newNbVid to NbVid bits in P-state
- * Registers[4:0] if its NbDid bit=0 and PstateEn bit =1 in case of
- * NbVidUpdatedAll =0 or copies copies newNbVid to NbVid bits in
- * P-state Registers[4:0] if its and PstateEn bit =1 in case of
- * NbVidUpdatedAll=1. Then transition to StartPstate.
- */
-
- /* write newNbVid to P-state Reg's NbVid if its NbDid=0 */
- for (i = 0; i < 5; i++) {
- msr = rdmsr(0xC0010064 + i);
- /* NbDid (bit 22 of P-state Reg) == 0 or NbVidUpdatedAll = 1 */
- if ((((msr.lo >> 22) & 1) == 0) || NbVidUpdatedAll) {
- msr.lo &= ~(0x7F << 25);
- msr.lo |= (newNbVid & 0x7F) << 25;
- wrmsr(0xC0010064 + i, msr);
- }
- }
-
- UpdateSinglePlaneNbVid();
-
- /* For each core in the system, transition all cores to StartupPstate */
- msr = rdmsr(0xC0010071);
- StartupPstate = msr.hi & 0x07;
- msr = rdmsr(0xC0010062);
- msr.lo = StartupPstate;
- wrmsr(0xC0010062, msr);
-
- /* Wait for StartupPstate to set. */
- do {
- msr = rdmsr(0xC0010063);
- } while (msr.lo != StartupPstate);
-}
-
-static void set_p0(void)
-{
- msr_t msr;
-
- // Transition P0 for calling core.
- msr = rdmsr(0xC0010062);
- msr.lo = (msr.lo & ~0x07);
- wrmsr(0xC0010062, msr);
-
- /* Wait for P0 to set. */
- do {
- msr = rdmsr(0xC0010063);
- } while (msr.lo != 0);
-}
-
-static void finalPstateChange(void)
-{
- /* Enble P0 on all cores for best performance.
- * Linux can slow them down later if need be.
- * It is safe since they will be in C1 halt
- * most of the time anyway.
- */
- set_p0();
-}
-
-static void init_fidvid_stage2(u32 apicid, u32 nodeid)
-{
- msr_t msr;
- device_t dev;
- u32 reg1fc;
- u32 dtemp;
- u32 nbvid;
- u8 nb_cof_vid_update;
- u8 nodes;
- u8 NbVidUpdateAll;
- u8 i;
- u8 pvimode;
-
- /* After warm reset finish the fid/vid setup for all cores. */
-
- /* If any node has nb_cof_vid_update set all nodes need an update. */
- nodes = get_nodes();
- nb_cof_vid_update = 0;
- for (i = 0; i < nodes; i++) {
- if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
- nb_cof_vid_update = 1;
- break;
- }
- }
-
- dev = NODE_PCI(nodeid, 3);
- pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
- reg1fc = pci_read_config32(dev, 0x1FC);
- nbvid = (reg1fc >> 7) & 0x7F;
- NbVidUpdateAll = (reg1fc >> 1) & 1;
-
- if (nb_cof_vid_update) {
- if (pvimode) {
- nbvid = (reg1fc >> 7) & 0x7F;
- /* write newNbVid to P-state Reg's NbVid if its NbDid=0 */
- fixPsNbVidAfterWR(nbvid, NbVidUpdateAll);
- } else { /* SVI */
- nbvid = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
- updateSviPsNbVidAfterWR(nbvid);
- }
- } else { /* !nb_cof_vid_update */
- if (pvimode)
- UpdateSinglePlaneNbVid();
- }
- dtemp = pci_read_config32(dev, 0xA0);
- dtemp &= PLLLOCK_OFF;
- dtemp |= PLLLOCK_DFT_L;
- pci_write_config32(dev, 0xA0, dtemp);
-
- finalPstateChange();
-
- /* Set TSC to tick at the P0 ndfid rate */
- msr = rdmsr(HWCR);
- msr.lo |= 1 << 24;
- wrmsr(HWCR, msr);
-}
-
-
-#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1
-struct ap_apicid_st {
- u32 num;
- // it could use 256 bytes for 64 node quad core system
- u8 apicid[NODE_NUMS * 4];
-};
-
-static void store_ap_apicid(unsigned ap_apicid, void *gp)
-{
- struct ap_apicid_st *p = gp;
-
- p->apicid[p->num++] = ap_apicid;
-
-}
-#endif
-
-
-static int init_fidvid_bsp(u32 bsp_apicid, u32 nodes)
-{
-#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1
- struct ap_apicid_st ap_apicidx;
- u32 i;
-#endif
- struct fidvid_st fv;
- device_t dev;
- u32 vid_max;
- u32 fid_max=0;
- u8 nb_cof_vid_update;
- u32 reg1fc;
- u8 pvimode;
-
- printk(BIOS_DEBUG, "FIDVID on BSP, APIC_id: %02x\n", bsp_apicid);
- /* FIXME: The first half of this function is nearly the same as
- * init_fidvid_bsp() and the code could be combined.
- */
-
- /* Steps 1-6 of BIOS NB COF and VID Configuration
- * for SVI and Single-Plane PVI Systems.
- */
-
- /* If any node has nb_cof_vid_update set all nodes need an update. */
- nb_cof_vid_update = 0;
- for (i = 0; i < nodes; i++) {
- if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
- nb_cof_vid_update = 1;
- break;
- }
- }
-
- dev = NODE_PCI(0, 3);
- pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
- reg1fc = pci_read_config32(dev, 0x1FC);
-
- if (nb_cof_vid_update) {
- if (pvimode) {
- vid_max = (reg1fc >> 7) & 0x7F;
- fid_max = (reg1fc >> 2) & 0x1F;
-
- /* write newNbVid to P-state Reg's NbVid always if NbVidUpdatedAll=1 */
- fixPsNbVidBeforeWR(vid_max, 0);
- } else { /* SVI */
- vid_max = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
- fid_max = ((reg1fc >> 2) & 0x1F) + ((reg1fc >> 14) & 0x7);
- transitionVid(vid_max, dev, IS_NB);
- }
-
- /* fid setup is handled by the BSP at the end. */
-
- } else { /* ! nb_cof_vid_update */
- /* Use max values */
- if (pvimode)
- UpdateSinglePlaneNbVid();
- }
-
- fv.common_fid = (nb_cof_vid_update << 16) | (fid_max << 8);
- print_debug_fv("BSP fid = ", fv.common_fid);
-
-#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1 && SET_FIDVID_CORE0_ONLY == 0
- /* For all APs (We know the APIC ID of all APs even when the APIC ID
- is lifted) remote read from AP LAPIC_MSG_REG about max fid.
- Then calculate the common max fid that can be used for all
- APs and BSP */
- ap_apicidx.num = 0;
-
- for_each_ap(bsp_apicid, SET_FIDVID_CORE_RANGE, store_ap_apicid, &ap_apicidx);
-
- for (i = 0; i < ap_apicidx.num; i++) {
- init_fidvid_bsp_stage1(ap_apicidx.apicid[i], &fv);
- }
-#else
- for_each_ap(bsp_apicid, SET_FIDVID_CORE0_ONLY, init_fidvid_bsp_stage1, &fv);
-#endif
-
- print_debug_fv("common_fid = ", fv.common_fid);
-
- if (fv.common_fid & (1 << 16)) { /* check nb_cof_vid_update */
-
- // Enable the common fid and other settings.
- enable_fid_change((fv.common_fid >> 8) & 0x1F);
-
- // nbfid change need warm reset, so reset at first
- return 1;
- }
-
- return 0; // No FID/VID changes. Don't reset
-}
-#endif
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#if SET_FIDVID == 1
+#include <northbridge/amd/amdht/AsPsDefs.h>
+
+#define SET_FIDVID_DEBUG 1
+
+// if we are tight of CAR stack, disable it
+#define SET_FIDVID_STORE_AP_APICID_AT_FIRST 1
+
+static inline void print_debug_fv(const char *str, u32 val)
+{
+#if SET_FIDVID_DEBUG == 1
+ printk(BIOS_DEBUG, "%s%x\n", str, val);
+#endif
+}
+
+static inline void print_debug_fv_8(const char *str, u8 val)
+{
+#if SET_FIDVID_DEBUG == 1
+ printk(BIOS_DEBUG, "%s%02x\n", str, val);
+#endif
+}
+
+static inline void print_debug_fv_64(const char *str, u32 val, u32 val2)
+{
+#if SET_FIDVID_DEBUG == 1
+ printk(BIOS_DEBUG, "%s%x%x\n", str, val, val2);
+#endif
+}
+
+struct fidvid_st {
+ u32 common_fid;
+};
+
+static void enable_fid_change(u8 fid)
+{
+ u32 dword;
+ u32 nodes;
+ device_t dev;
+ int i;
+
+ nodes = get_nodes();
+
+ for (i = 0; i < nodes; i++) {
+ dev = NODE_PCI(i, 3);
+ dword = pci_read_config32(dev, 0xd4);
+ dword &= ~0x1F;
+ dword |= (u32) fid & 0x1F;
+ dword |= 1 << 5; // enable
+ pci_write_config32(dev, 0xd4, dword);
+ printk(BIOS_DEBUG, "FID Change Node:%02x, F3xD4: %08x \n", i,
+ dword);
+ }
+}
+
+static void recalculateVsSlamTimeSettingOnCorePre(device_t dev)
+{
+ u8 pviModeFlag;
+ u8 highVoltageVid, lowVoltageVid, bValue;
+ u16 minimumSlamTime;
+ u16 vSlamTimes[7] = { 1000, 2000, 3000, 4000, 6000, 10000, 20000 }; /* Reg settings scaled by 100 */
+ u32 dtemp;
+ msr_t msr;
+
+ /* This function calculates the VsSlamTime using the range of possible
+ * voltages instead of a hardcoded 200us.
+ * Note:This function is called from setFidVidRegs and setUserPs after
+ * programming a custom Pstate.
+ */
+
+ /* Calculate Slam Time
+ * Vslam = 0.4us/mV * Vp0 - (lowest out of Vpmin or Valt)
+ * In our case, we will scale the values by 100 to avoid
+ * decimals.
+ */
+
+ /* Determine if this is a PVI or SVI system */
+ dtemp = pci_read_config32(dev, 0xA0);
+
+ if (dtemp & PVI_MODE)
+ pviModeFlag = 1;
+ else
+ pviModeFlag = 0;
+
+ /* Get P0's voltage */
+ msr = rdmsr(0xC0010064);
+ highVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
+
+ /* If SVI, we only care about CPU VID.
+ * If PVI, determine the higher voltage b/t NB and CPU
+ */
+ if (pviModeFlag) {
+ bValue = (u8) ((msr.lo >> PS_NB_VID_SHFT) & 0x7F);
+ if (highVoltageVid > bValue)
+ highVoltageVid = bValue;
+ }
+
+ /* Get Pmin's index */
+ msr = rdmsr(0xC0010061);
+ bValue = (u8) ((msr.lo >> PS_CUR_LIM_SHFT) & BIT_MASK_3);
+
+ /* Get Pmin's VID */
+ msr = rdmsr(0xC0010064 + bValue);
+ lowVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
+
+ /* If SVI, we only care about CPU VID.
+ * If PVI, determine the higher voltage b/t NB and CPU
+ */
+ if (pviModeFlag) {
+ bValue = (u8) ((msr.lo >> PS_NB_VID_SHFT) & 0x7F);
+ if (lowVoltageVid > bValue)
+ lowVoltageVid = bValue;
+ }
+
+ /* Get AltVID */
+ dtemp = pci_read_config32(dev, 0xDC);
+ bValue = (u8) (dtemp & BIT_MASK_7);
+
+ /* Use the VID with the lowest voltage (higher VID) */
+ if (lowVoltageVid < bValue)
+ lowVoltageVid = bValue;
+
+ /* If Vids are 7Dh - 7Fh, force 7Ch to keep calculations linear */
+ if (lowVoltageVid > 0x7C) {
+ lowVoltageVid = 0x7C;
+ if (highVoltageVid > 0x7C)
+ highVoltageVid = 0x7C;
+ }
+
+ bValue = (u8) (lowVoltageVid - highVoltageVid);
+
+ /* Each Vid increment is 12.5 mV. The minimum slam time is:
+ * vidCodeDelta * 12.5mV * 0.4us/mV
+ * Scale by 100 to avoid decimals.
+ */
+ minimumSlamTime = bValue * (125 * 4);
+
+ /* Now round up to nearest register setting.
+ * Note that if we don't find a value, we
+ * will fall through to a value of 7
+ */
+ for (bValue = 0; bValue < 7; bValue++) {
+ if (minimumSlamTime <= vSlamTimes[bValue])
+ break;
+ }
+
+ /* Apply the value */
+ dtemp = pci_read_config32(dev, 0xD8);
+ dtemp &= VSSLAM_MASK;
+ dtemp |= bValue;
+ pci_write_config32(dev, 0xd8, dtemp);
+}
+
+static void prep_fid_change(void)
+{
+ u32 dword, dtemp;
+ u32 nodes;
+ device_t dev;
+ int i;
+
+ /* This needs to be run before any Pstate changes are requested */
+
+ nodes = get_nodes();
+
+ for (i = 0; i < nodes; i++) {
+ printk(BIOS_DEBUG, "Prep FID/VID Node:%02x \n", i);
+ dev = NODE_PCI(i, 3);
+
+ dword = pci_read_config32(dev, 0xd8);
+ dword &= VSRAMP_MASK;
+ dword |= VSRAMP_VALUE;
+ pci_write_config32(dev, 0xd8, dword);
+
+ /* Figure out the value for VsSlamTime and program it */
+ recalculateVsSlamTimeSettingOnCorePre(dev);
+
+ /* Program fields in Clock Power/Control register0 (F3xD4) */
+ /* set F3xD4 Clock Power/Timing Control 0 Register
+ * NbClkDidApplyAll=1b
+ * NbClkDid=100b
+ * PowerStepUp= "platform dependent"
+ * PowerStepDown= "platform dependent"
+ * LinkPllLink=01b
+ * ClkRampHystSel=HW default
+ */
+ /* check platform type */
+ if (!(get_platform_type() & AMD_PTYPE_SVR)) {
+ /* For non-server platform
+ * PowerStepUp=01000b - 50nS
+ * PowerStepDown=01000b - 50ns
+ */
+ dword = pci_read_config32(dev, 0xd4);
+ dword &= CPTC0_MASK;
+ dword |= NB_CLKDID_ALL | NB_CLKDID | PW_STP_UP50 | PW_STP_DN50 | LNK_PLL_LOCK; /* per BKDG */
+ pci_write_config32(dev, 0xd4, dword);
+ } else {
+ dword = pci_read_config32(dev, 0xd4);
+ dword &= CPTC0_MASK;
+ /* get number of cores for PowerStepUp & PowerStepDown in server
+ 1 core - 400nS - 0000b
+ 2 cores - 200nS - 0010b
+ 3 cores - 133nS -> 100nS - 0011b
+ 4 cores - 100nS - 0011b
+ */
+ switch (get_core_num_in_bsp(i)) {
+ case 0:
+ dword |= PW_STP_UP400 | PW_STP_DN400;
+ break;
+ case 1:
+ case 2:
+ dword |= PW_STP_UP200 | PW_STP_DN200;
+ break;
+ case 3:
+ dword |= PW_STP_UP100 | PW_STP_DN100;
+ break;
+ default:
+ dword |= PW_STP_UP100 | PW_STP_DN100;
+ break;
+ }
+ dword |= NB_CLKDID_ALL | NB_CLKDID | LNK_PLL_LOCK;
+ pci_write_config32(dev, 0xd4, dword);
+ }
+
+ /* check PVI/SVI */
+ dword = pci_read_config32(dev, 0xA0);
+ if (dword & PVI_MODE) { /* PVI */
+ /* set slamVidMode to 0 for PVI */
+ dword &= VID_SLAM_OFF | PLLLOCK_OFF;
+ dword |= PLLLOCK_DFT_L;
+ pci_write_config32(dev, 0xA0, dword);
+ } else { /* SVI */
+ /* set slamVidMode to 1 for SVI */
+ dword &= PLLLOCK_OFF;
+ dword |= PLLLOCK_DFT_L | VID_SLAM_ON;
+ pci_write_config32(dev, 0xA0, dword);
+
+ dtemp = dword;
+
+ /* Program F3xD8[PwrPlanes] according F3xA0[DulaVdd] */
+ dword = pci_read_config32(dev, 0xD8);
+
+ if (dtemp & DUAL_VDD_BIT)
+ dword |= PWR_PLN_ON;
+ else
+ dword &= PWR_PLN_OFF;
+ pci_write_config32(dev, 0xD8, dword);
+ }
+
+ /* Note the following settings are additional from the ported
+ * function setFidVidRegs()
+ */
+ dword = pci_read_config32(dev, 0xDc);
+ dword |= 0x5 << 12; /* NbsynPtrAdj set to 0x5 per BKDG (needs reset) */
+ pci_write_config32(dev, 0xdc, dword);
+
+ /* Rev B settings - FIXME: support other revs. */
+ dword = 0xA0E641E6;
+ pci_write_config32(dev, 0x84, dword);
+
+ dword = 0xE600A681;
+ pci_write_config32(dev, 0x80, dword);
+
+ dword = pci_read_config32(dev, 0x80);
+ printk(BIOS_DEBUG, " F3x80: %08x \n", dword);
+ dword = pci_read_config32(dev, 0x84);
+ printk(BIOS_DEBUG, " F3x84: %08x \n", dword);
+ dword = pci_read_config32(dev, 0xD4);
+ printk(BIOS_DEBUG, " F3xD4: %08x \n", dword);
+ dword = pci_read_config32(dev, 0xD8);
+ printk(BIOS_DEBUG, " F3xD8: %08x \n", dword);
+ dword = pci_read_config32(dev, 0xDC);
+ printk(BIOS_DEBUG, " F3xDC: %08x \n", dword);
+
+
+ }
+}
+
+
+static void UpdateSinglePlaneNbVid(void)
+{
+ u32 nbVid, cpuVid;
+ u8 i;
+ msr_t msr;
+
+ /* copy higher voltage (lower VID) of NBVID & CPUVID to both */
+ for (i = 0; i < 5; i++) {
+ msr = rdmsr(PS_REG_BASE + i);
+ nbVid = (msr.lo & PS_CPU_VID_M_ON) >> PS_CPU_VID_SHFT;
+ cpuVid = (msr.lo & PS_NB_VID_M_ON) >> PS_NB_VID_SHFT;
+
+ if (nbVid != cpuVid) {
+ if (nbVid > cpuVid)
+ nbVid = cpuVid;
+
+ msr.lo = msr.lo & PS_BOTH_VID_OFF;
+ msr.lo = msr.lo | (u32) ((nbVid) << PS_NB_VID_SHFT);
+ msr.lo = msr.lo | (u32) ((nbVid) << PS_CPU_VID_SHFT);
+ wrmsr(PS_REG_BASE + i, msr);
+ }
+ }
+}
+
+static void fixPsNbVidBeforeWR(u32 newNbVid, u32 coreid)
+{
+ msr_t msr;
+ u8 startup_pstate;
+
+ /* This function sets NbVid before the warm reset.
+ * Get StartupPstate from MSRC001_0071.
+ * Read Pstate register pionted by [StartupPstate].
+ * and copy its content to P0 and P1 registers.
+ * Copy newNbVid to P0[NbVid].
+ * transition to P1 on all cores,
+ * then transition to P0 on core 0.
+ * Wait for MSRC001_0063[CurPstate] = 000b on core 0.
+ */
+
+ msr = rdmsr(0xc0010071);
+ startup_pstate = (msr.hi >> (32 - 32)) & 0x07;
+
+ /* Copy startup pstate to P1 and P0 MSRs. Set the maxvid for this node in P0.
+ * Then transition to P1 for corex and P0 for core0.
+ * These setting will be cleared by the warm reset
+ */
+ msr = rdmsr(0xC0010064 + startup_pstate);
+ wrmsr(0xC0010065, msr);
+ wrmsr(0xC0010064, msr);
+
+ msr.lo &= ~0xFE000000; // clear nbvid
+ msr.lo |= newNbVid << 25;
+ wrmsr(0xC0010064, msr);
+
+ UpdateSinglePlaneNbVid();
+
+ // Transition to P1 for all APs and P0 for core0.
+ msr = rdmsr(0xC0010062);
+ msr.lo = (msr.lo & ~0x07) | 1;
+ wrmsr(0xC0010062, msr);
+
+ // Wait for P1 to set.
+ do {
+ msr = rdmsr(0xC0010063);
+ } while (msr.lo != 1);
+
+ if (coreid == 0) {
+ msr.lo = msr.lo & ~0x07;
+ wrmsr(0xC0010062, msr);
+ // Wait for P0 to set.
+ do {
+ msr = rdmsr(0xC0010063);
+ } while (msr.lo != 0);
+ }
+}
+
+static void coreDelay(void)
+{
+ u32 saved;
+ u32 hi, lo, msr;
+ u32 cycles;
+
+ /* delay ~40us
+ This seems like a hack to me...
+ It would be nice to have a central delay function. */
+
+ cycles = 8000 << 3; /* x8 (number of 1.25ns ticks) */
+
+ msr = 0x10; /* TSC */
+ _RDMSR(msr, &lo, &hi);
+ saved = lo;
+ do {
+ _RDMSR(msr, &lo, &hi);
+ } while (lo - saved < cycles);
+}
+
+static void transitionVid(u32 targetVid, u8 dev, u8 isNb)
+{
+ u32 currentVid, dtemp;
+ msr_t msr;
+ u8 vsTimecode;
+ u16 timeTable[8] = { 10, 20, 30, 40, 60, 100, 200, 500 };
+ int vsTime;
+
+ /* This function steps or slam the Nb VID to the target VID.
+ * It uses VSRampTime for [SlamVidMode]=0 ([PviMode]=1)
+ * or VSSlamTime for [SlamVidMode]=1 ([PviMode]=0)to time period.
+ */
+
+ /* get the current VID */
+ msr = rdmsr(0xC0010071);
+ if (isNb)
+ currentVid = (msr.lo >> NB_VID_POS) & BIT_MASK_7;
+ else
+ currentVid = (msr.lo >> CPU_VID_POS) & BIT_MASK_7;
+
+ /* Read MSRC001_0070 COFVID Control Register */
+ msr = rdmsr(0xC0010070);
+
+ /* check PVI/SPI */
+ dtemp = pci_read_config32(dev, 0xA0);
+ if (dtemp & PVI_MODE) { /* PVI, step VID */
+ if (currentVid < targetVid) {
+ while (currentVid < targetVid) {
+ currentVid++;
+ if (isNb)
+ msr.lo = (msr.lo & NB_VID_MASK_OFF) | (currentVid << NB_VID_POS);
+ else
+ msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (currentVid << CPU_VID_POS);
+ wrmsr(0xC0010070, msr);
+
+ /* read F3xD8[VSRampTime] */
+ dtemp = pci_read_config32(dev, 0xD8);
+ vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
+ vsTime = (int)timeTable[vsTimecode];
+ do {
+ coreDelay();
+ vsTime -= 40;
+ } while (vsTime > 0);
+ }
+ } else if (currentVid > targetVid) {
+ while (currentVid > targetVid) {
+ currentVid--;
+ if (isNb)
+ msr.lo = (msr.lo & NB_VID_MASK_OFF) | (currentVid << NB_VID_POS);
+ else
+ msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (currentVid << CPU_VID_POS);
+ wrmsr(0xC0010070, msr);
+
+ /* read F3xD8[VSRampTime] */
+ dtemp = pci_read_config32(dev, 0xD8);
+ vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
+ vsTime = (int)timeTable[vsTimecode];
+ do {
+ coreDelay();
+ vsTime -= 40;
+ } while (vsTime > 0);
+ }
+ }
+ } else { /* SVI, slam VID */
+ if (isNb)
+ msr.lo = (msr.lo & NB_VID_MASK_OFF) | (targetVid << NB_VID_POS);
+ else
+ msr.lo = (msr.lo & CPU_VID_MASK_OFF) | (targetVid << CPU_VID_POS);
+ wrmsr(0xC0010070, msr);
+
+ /* read F3xD8[VSRampTime] */
+ dtemp = pci_read_config32(dev, 0xD8);
+ vsTimecode = (u8) ((dtemp >> VS_RAMP_T) & 0x7);
+ vsTime = (int)timeTable[vsTimecode];
+ do {
+ coreDelay();
+ vsTime -= 40;
+ } while (vsTime > 0);
+ }
+}
+
+
+static void init_fidvid_ap(u32 bsp_apicid, u32 apicid, u32 nodeid, u32 coreid)
+{
+ device_t dev;
+ u32 vid_max;
+ u32 fid_max;
+ u8 nb_cof_vid_update;
+ u8 pvimode;
+ u32 reg1fc;
+ u32 send;
+ u8 nodes;
+ u8 i;
+
+ printk(BIOS_DEBUG, "FIDVID on AP: %02x\n", apicid);
+
+ /* Steps 1-6 of BIOS NB COF and VID Configuration
+ * for SVI and Single-Plane PVI Systems.
+ */
+
+ /* If any node has nb_cof_vid_update set all nodes need an update. */
+ nodes = get_nodes();
+ nb_cof_vid_update = 0;
+ for (i = 0; i < nodes; i++) {
+ if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
+ nb_cof_vid_update = 1;
+ break;
+ }
+ }
+
+ dev = NODE_PCI(nodeid, 3);
+ pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
+ reg1fc = pci_read_config32(dev, 0x1FC);
+
+ if (nb_cof_vid_update) {
+ if (pvimode) {
+ vid_max = (reg1fc >> 7) & 0x7F;
+ fid_max = (reg1fc >> 2) & 0x1F;
+
+ /* write newNbVid to P-state Reg's NbVid always if NbVidUpdatedAll=1 */
+ fixPsNbVidBeforeWR(vid_max, coreid);
+ } else { /* SVI */
+ vid_max = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
+ fid_max = ((reg1fc >> 2) & 0x1F) + ((reg1fc >> 14) & 0x7);
+ transitionVid(vid_max, dev, IS_NB);
+ }
+
+ /* fid setup is handled by the BSP at the end. */
+
+ } else { /* ! nb_cof_vid_update */
+ /* Use max values */
+ if (pvimode)
+ UpdateSinglePlaneNbVid();
+ }
+
+ send = (nb_cof_vid_update << 16) | (fid_max << 8);
+ send |= (apicid << 24); // ap apicid
+
+ // Send signal to BSP about this AP max fid
+ // This also indicates this AP is ready for warm reset (if required).
+ lapic_write(LAPIC_MSG_REG, send | F10_APSTATE_RESET);
+}
+
+static u32 calc_common_fid(u32 fid_packed, u32 fid_packed_new)
+{
+ u32 fidmax;
+ u32 fidmax_new;
+
+ fidmax = (fid_packed >> 8) & 0xFF;
+
+ fidmax_new = (fid_packed_new >> 8) & 0xFF;
+
+ if (fidmax > fidmax_new) {
+ fidmax = fidmax_new;
+ }
+
+ fid_packed &= 0xFF << 16;
+ fid_packed |= (fidmax << 8);
+ fid_packed |= fid_packed_new & (0xFF << 16); // set nb_cof_vid_update
+
+ return fid_packed;
+}
+
+static void init_fidvid_bsp_stage1(u32 ap_apicid, void *gp)
+{
+ u32 readback = 0;
+ u32 timeout = 1;
+
+ struct fidvid_st *fvp = gp;
+ int loop;
+
+ print_debug_fv("Wait for AP stage 1: ap_apicid = ", ap_apicid);
+
+ loop = 100000;
+ while (--loop > 0) {
+ if (lapic_remote_read(ap_apicid, LAPIC_MSG_REG, &readback) != 0)
+ continue;
+ if ((readback & 0x3f) == 1) {
+ timeout = 0;
+ break; /* target ap is in stage 1 */
+ }
+ }
+
+ if (timeout) {
+ printk(BIOS_DEBUG, "%s: timed out reading from ap %02x\n",
+ __func__, ap_apicid);
+ return;
+ }
+
+ print_debug_fv("\treadback = ", readback);
+
+ fvp->common_fid = calc_common_fid(fvp->common_fid, readback);
+
+ print_debug_fv("\tcommon_fid(packed) = ", fvp->common_fid);
+
+}
+
+static void updateSviPsNbVidAfterWR(u32 newNbVid)
+{
+ msr_t msr;
+ u8 i;
+
+ /* This function copies newNbVid to NbVid bits in P-state Registers[4:0]
+ * for SVI mode.
+ */
+
+ for (i = 0; i < 5; i++) {
+ msr = rdmsr(0xC0010064 + i);
+ if ((msr.hi >> 31) & 1) { /* PstateEn? */
+ msr.lo &= ~(0x7F << 25);
+ msr.lo |= (newNbVid & 0x7F) << 25;
+ wrmsr(0xC0010064 + i, msr);
+ }
+ }
+}
+
+
+static void fixPsNbVidAfterWR(u32 newNbVid, u8 NbVidUpdatedAll)
+{
+ msr_t msr;
+ u8 i;
+ u8 StartupPstate;
+
+ /* This function copies newNbVid to NbVid bits in P-state
+ * Registers[4:0] if its NbDid bit=0 and PstateEn bit =1 in case of
+ * NbVidUpdatedAll =0 or copies copies newNbVid to NbVid bits in
+ * P-state Registers[4:0] if its and PstateEn bit =1 in case of
+ * NbVidUpdatedAll=1. Then transition to StartPstate.
+ */
+
+ /* write newNbVid to P-state Reg's NbVid if its NbDid=0 */
+ for (i = 0; i < 5; i++) {
+ msr = rdmsr(0xC0010064 + i);
+ /* NbDid (bit 22 of P-state Reg) == 0 or NbVidUpdatedAll = 1 */
+ if ((((msr.lo >> 22) & 1) == 0) || NbVidUpdatedAll) {
+ msr.lo &= ~(0x7F << 25);
+ msr.lo |= (newNbVid & 0x7F) << 25;
+ wrmsr(0xC0010064 + i, msr);
+ }
+ }
+
+ UpdateSinglePlaneNbVid();
+
+ /* For each core in the system, transition all cores to StartupPstate */
+ msr = rdmsr(0xC0010071);
+ StartupPstate = msr.hi & 0x07;
+ msr = rdmsr(0xC0010062);
+ msr.lo = StartupPstate;
+ wrmsr(0xC0010062, msr);
+
+ /* Wait for StartupPstate to set. */
+ do {
+ msr = rdmsr(0xC0010063);
+ } while (msr.lo != StartupPstate);
+}
+
+static void set_p0(void)
+{
+ msr_t msr;
+
+ // Transition P0 for calling core.
+ msr = rdmsr(0xC0010062);
+ msr.lo = (msr.lo & ~0x07);
+ wrmsr(0xC0010062, msr);
+
+ /* Wait for P0 to set. */
+ do {
+ msr = rdmsr(0xC0010063);
+ } while (msr.lo != 0);
+}
+
+static void finalPstateChange(void)
+{
+ /* Enble P0 on all cores for best performance.
+ * Linux can slow them down later if need be.
+ * It is safe since they will be in C1 halt
+ * most of the time anyway.
+ */
+ set_p0();
+}
+
+static void init_fidvid_stage2(u32 apicid, u32 nodeid)
+{
+ msr_t msr;
+ device_t dev;
+ u32 reg1fc;
+ u32 dtemp;
+ u32 nbvid;
+ u8 nb_cof_vid_update;
+ u8 nodes;
+ u8 NbVidUpdateAll;
+ u8 i;
+ u8 pvimode;
+
+ /* After warm reset finish the fid/vid setup for all cores. */
+
+ /* If any node has nb_cof_vid_update set all nodes need an update. */
+ nodes = get_nodes();
+ nb_cof_vid_update = 0;
+ for (i = 0; i < nodes; i++) {
+ if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
+ nb_cof_vid_update = 1;
+ break;
+ }
+ }
+
+ dev = NODE_PCI(nodeid, 3);
+ pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
+ reg1fc = pci_read_config32(dev, 0x1FC);
+ nbvid = (reg1fc >> 7) & 0x7F;
+ NbVidUpdateAll = (reg1fc >> 1) & 1;
+
+ if (nb_cof_vid_update) {
+ if (pvimode) {
+ nbvid = (reg1fc >> 7) & 0x7F;
+ /* write newNbVid to P-state Reg's NbVid if its NbDid=0 */
+ fixPsNbVidAfterWR(nbvid, NbVidUpdateAll);
+ } else { /* SVI */
+ nbvid = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
+ updateSviPsNbVidAfterWR(nbvid);
+ }
+ } else { /* !nb_cof_vid_update */
+ if (pvimode)
+ UpdateSinglePlaneNbVid();
+ }
+ dtemp = pci_read_config32(dev, 0xA0);
+ dtemp &= PLLLOCK_OFF;
+ dtemp |= PLLLOCK_DFT_L;
+ pci_write_config32(dev, 0xA0, dtemp);
+
+ finalPstateChange();
+
+ /* Set TSC to tick at the P0 ndfid rate */
+ msr = rdmsr(HWCR);
+ msr.lo |= 1 << 24;
+ wrmsr(HWCR, msr);
+}
+
+
+#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1
+struct ap_apicid_st {
+ u32 num;
+ // it could use 256 bytes for 64 node quad core system
+ u8 apicid[NODE_NUMS * 4];
+};
+
+static void store_ap_apicid(unsigned ap_apicid, void *gp)
+{
+ struct ap_apicid_st *p = gp;
+
+ p->apicid[p->num++] = ap_apicid;
+
+}
+#endif
+
+
+static int init_fidvid_bsp(u32 bsp_apicid, u32 nodes)
+{
+#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1
+ struct ap_apicid_st ap_apicidx;
+ u32 i;
+#endif
+ struct fidvid_st fv;
+ device_t dev;
+ u32 vid_max;
+ u32 fid_max=0;
+ u8 nb_cof_vid_update;
+ u32 reg1fc;
+ u8 pvimode;
+
+ printk(BIOS_DEBUG, "FIDVID on BSP, APIC_id: %02x\n", bsp_apicid);
+ /* FIXME: The first half of this function is nearly the same as
+ * init_fidvid_bsp() and the code could be combined.
+ */
+
+ /* Steps 1-6 of BIOS NB COF and VID Configuration
+ * for SVI and Single-Plane PVI Systems.
+ */
+
+ /* If any node has nb_cof_vid_update set all nodes need an update. */
+ nb_cof_vid_update = 0;
+ for (i = 0; i < nodes; i++) {
+ if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) {
+ nb_cof_vid_update = 1;
+ break;
+ }
+ }
+
+ dev = NODE_PCI(0, 3);
+ pvimode = (pci_read_config32(dev, 0xA0) >> 8) & 1;
+ reg1fc = pci_read_config32(dev, 0x1FC);
+
+ if (nb_cof_vid_update) {
+ if (pvimode) {
+ vid_max = (reg1fc >> 7) & 0x7F;
+ fid_max = (reg1fc >> 2) & 0x1F;
+
+ /* write newNbVid to P-state Reg's NbVid always if NbVidUpdatedAll=1 */
+ fixPsNbVidBeforeWR(vid_max, 0);
+ } else { /* SVI */
+ vid_max = ((reg1fc >> 7) & 0x7F) - ((reg1fc >> 17) & 0x1F);
+ fid_max = ((reg1fc >> 2) & 0x1F) + ((reg1fc >> 14) & 0x7);
+ transitionVid(vid_max, dev, IS_NB);
+ }
+
+ /* fid setup is handled by the BSP at the end. */
+
+ } else { /* ! nb_cof_vid_update */
+ /* Use max values */
+ if (pvimode)
+ UpdateSinglePlaneNbVid();
+ }
+
+ fv.common_fid = (nb_cof_vid_update << 16) | (fid_max << 8);
+ print_debug_fv("BSP fid = ", fv.common_fid);
+
+#if SET_FIDVID_STORE_AP_APICID_AT_FIRST == 1 && SET_FIDVID_CORE0_ONLY == 0
+ /* For all APs (We know the APIC ID of all APs even when the APIC ID
+ is lifted) remote read from AP LAPIC_MSG_REG about max fid.
+ Then calculate the common max fid that can be used for all
+ APs and BSP */
+ ap_apicidx.num = 0;
+
+ for_each_ap(bsp_apicid, SET_FIDVID_CORE_RANGE, store_ap_apicid, &ap_apicidx);
+
+ for (i = 0; i < ap_apicidx.num; i++) {
+ init_fidvid_bsp_stage1(ap_apicidx.apicid[i], &fv);
+ }
+#else
+ for_each_ap(bsp_apicid, SET_FIDVID_CORE0_ONLY, init_fidvid_bsp_stage1, &fv);
+#endif
+
+ print_debug_fv("common_fid = ", fv.common_fid);
+
+ if (fv.common_fid & (1 << 16)) { /* check nb_cof_vid_update */
+
+ // Enable the common fid and other settings.
+ enable_fid_change((fv.common_fid >> 8) & 0x1F);
+
+ // nbfid change need warm reset, so reset at first
+ return 1;
+ }
+
+ return 0; // No FID/VID changes. Don't reset
+}
+#endif
diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c
index e582ca8af3..9207c2e0ba 100644
--- a/src/cpu/amd/model_10xxx/init_cpus.c
+++ b/src/cpu/amd/model_10xxx/init_cpus.c
@@ -1,948 +1,945 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#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 <cpu/x86/mtrr/earlymtrr.c>
-#include <northbridge/amd/amdfam10/raminit_amdmct.c>
-
-//it takes the CONFIG_ENABLE_APIC_EXT_ID and CONFIG_APIC_ID_OFFSET and CONFIG_LIFT_BSP_APIC_ID
-#ifndef SET_FIDVID
- #define SET_FIDVID 1
-#endif
-
-#ifndef SET_FIDVID_CORE0_ONLY
- /* MSR FIDVID_CTL and FIDVID_STATUS are shared by cores,
- Need to do every AP to set common FID/VID */
- #define SET_FIDVID_CORE0_ONLY 0
-#endif
-
-static void prep_fid_change(void);
-static void init_fidvid_stage2(u32 apicid, u32 nodeid);
-void cpuSetAMDMSR(void);
-
-#if CONFIG_PCI_IO_CFG_EXT == 1
-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;
-
- /* get_nodes define in ht_wrapper.c */
- nodes = get_nodes();
-
- if (!CONFIG_LOGICAL_CPUS ||
- read_option(CMOS_VSTART_multi_core, CMOS_VLEN_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();
-
- 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);
-
- 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++) {
- ap_apicid =
- i * (nb_cfg_54 ? (siblings + 1) : 1) +
- j * (nb_cfg_54 ? 1 : 64);
-
-#if (CONFIG_ENABLE_APIC_EXT_ID == 1) && (CONFIG_APIC_ID_OFFSET > 0)
-#if CONFIG_LIFT_BSP_APIC_ID == 0
- 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;
-}
-
-/* Use the LAPIC timer count register to hold each cores init status */
-#define LAPIC_MSG_REG 0x380
-
-#if SET_FIDVID == 1
-static void init_fidvid_ap(u32 bsp_apicid, 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) {
- 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, 0x13); // 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) | 0x14);
-}
-
-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();
-}
-
-#if CONFIG_RAMINIT_SYSINFO
-static u32 init_cpus(u32 cpu_init_detectedx, struct sys_info *sysinfo)
-#else
-static u32 init_cpus(u32 cpu_init_detectedx)
-#endif
-{
- u32 bsp_apicid = 0;
- u32 apicid;
- struct node_core_id id;
-
- /*
- * 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 == 1)
- enable_apic_ext_id(id.nodeid);
-#endif
- }
-
- enable_lapic();
-
-#if (CONFIG_ENABLE_APIC_EXT_ID == 1) && (CONFIG_APIC_ID_OFFSET > 0)
- u32 initial_apicid = get_initial_apicid();
-
-#if CONFIG_LIFT_BSP_APIC_ID == 0
- 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 == 1
- 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) | 0x13);
-
- 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 SET_FIDVID == 1
-#if (CONFIG_LOGICAL_CPUS == 1) && (SET_FIDVID_CORE0_ONLY == 1)
- // 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(bsp_apicid, 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 Adress 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;
-
-#if CONFIG_RAMINIT_SYSINFO
- /* 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);
-#endif
-
- for (i = 0; i < nodes; i++) {
- cpuSetAMDPCI(i);
- }
-
-#if SET_FIDVID == 1
- // 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"
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#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 <cpu/x86/mtrr/earlymtrr.c>
+#include <northbridge/amd/amdfam10/raminit_amdmct.c>
+
+//it takes the CONFIG_ENABLE_APIC_EXT_ID and CONFIG_APIC_ID_OFFSET and CONFIG_LIFT_BSP_APIC_ID
+#ifndef SET_FIDVID
+ #define SET_FIDVID 1
+#endif
+
+#ifndef SET_FIDVID_CORE0_ONLY
+ /* MSR FIDVID_CTL and FIDVID_STATUS are shared by cores,
+ Need to do every AP to set common FID/VID */
+ #define SET_FIDVID_CORE0_ONLY 0
+#endif
+
+static void prep_fid_change(void);
+static void init_fidvid_stage2(u32 apicid, u32 nodeid);
+void cpuSetAMDMSR(void);
+
+#if CONFIG_PCI_IO_CFG_EXT == 1
+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;
+
+ /* get_nodes define in ht_wrapper.c */
+ nodes = get_nodes();
+
+ if (!CONFIG_LOGICAL_CPUS ||
+ read_option(CMOS_VSTART_multi_core, CMOS_VLEN_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();
+
+ 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);
+
+ 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++) {
+ ap_apicid =
+ i * (nb_cfg_54 ? (siblings + 1) : 1) +
+ j * (nb_cfg_54 ? 1 : 64);
+
+#if (CONFIG_ENABLE_APIC_EXT_ID == 1) && (CONFIG_APIC_ID_OFFSET > 0)
+#if CONFIG_LIFT_BSP_APIC_ID == 0
+ 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 SET_FIDVID == 1
+static void init_fidvid_ap(u32 bsp_apicid, 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();
+}
+
+#if CONFIG_RAMINIT_SYSINFO
+static u32 init_cpus(u32 cpu_init_detectedx, struct sys_info *sysinfo)
+#else
+static u32 init_cpus(u32 cpu_init_detectedx)
+#endif
+{
+ u32 bsp_apicid = 0;
+ u32 apicid;
+ struct node_core_id id;
+
+ /*
+ * 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 == 1)
+ enable_apic_ext_id(id.nodeid);
+#endif
+ }
+
+ enable_lapic();
+
+#if (CONFIG_ENABLE_APIC_EXT_ID == 1) && (CONFIG_APIC_ID_OFFSET > 0)
+ u32 initial_apicid = get_initial_apicid();
+
+#if CONFIG_LIFT_BSP_APIC_ID == 0
+ 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 == 1
+ 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 SET_FIDVID == 1
+#if (CONFIG_LOGICAL_CPUS == 1) && (SET_FIDVID_CORE0_ONLY == 1)
+ // 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(bsp_apicid, 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 Adress 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;
+
+#if CONFIG_RAMINIT_SYSINFO
+ /* 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);
+#endif
+
+ for (i = 0; i < nodes; i++) {
+ cpuSetAMDPCI(i);
+ }
+
+#if SET_FIDVID == 1
+ // 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"
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