diff options
Diffstat (limited to 'src/cpu/amd/model_10xxx/fidvid_common.c')
-rw-r--r-- | src/cpu/amd/model_10xxx/fidvid_common.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid_common.c b/src/cpu/amd/model_10xxx/fidvid_common.c deleted file mode 100644 index aa82323b97..0000000000 --- a/src/cpu/amd/model_10xxx/fidvid_common.c +++ /dev/null @@ -1,312 +0,0 @@ -/* - * 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 - */ - - -#include <cpu/x86/tsc.h> - - -static u32 get_vstime(u32 nodeid, u32 slam) -{ - u32 val; - u32 v; - device_t dev; - -#if defined(__ROMCC__) - dev = NODE_PCI(nodeid, 3); -#else - dev = get_node_pci(nodeid, 3); -#endif - - val = pci_read_config32(dev, 0xd8); - - val >>= slam?0:4; - val &= 7; - - switch (val) { - case 4: v = 60; break; - case 5: v = 100; break; - case 6: v = 200; break; - case 7: v = 500; break; - default: - v = (val+1)*10; // in us - } - - return v; -} - -static void udelay_tsc(u32 us) -{ - /* Use TSC to delay because it is fixed, ie. it will not changed with p-states. - * Also, We use the APIC TIMER register is to hold flags for AP init. - */ - u32 dword; - tsc_t tsc, tsc1, tscd; - u32 d = 0x00000200; //800Mhz or 200Mhz or 1.6G or get the NBFID at first - u32 dn = 0x1000000/2; // howmany us need to use hi - - tscd.hi = us/dn; - tscd.lo = (us - tscd.hi * dn) * d; - - tsc1 = rdtsc(); - dword = tsc1.lo + tscd.lo; - if((dword<tsc1.lo) || (dword<tscd.lo)) { - tsc1.hi++; - } - tsc1.lo = dword; - tsc1.hi+= tscd.hi; - - do { - tsc = rdtsc(); - } while ((tsc.hi>tsc1.hi) || ((tsc.hi==tsc1.hi) && (tsc.lo>tsc1.lo))); - -} - -#ifdef __ROMCC__ -void udelay(u32 usecs) -{ - udelay_tsc(usecs); -} -#endif - -static u32 set_vid(u32 newvid, u32 bit_offset, u32 nodeid, u32 coreid) -{ - u32 val; - msr_t msr; - u32 curvid; - u32 slam; - u32 delay; - u32 count = 3; - device_t dev; - - msr = rdmsr(0xc0010071);//status - curvid = (msr.lo >> bit_offset) & 0x7f; // seven bits - - if(newvid == curvid) return curvid; - -#if defined(__ROMCC__) - dev = NODE_PCI(nodeid, 3); -#else - dev = get_node_pci(nodeid, 3); -#endif - - val = pci_read_config32(dev, 0xa0); - - slam = (val >> 29) & 1; - delay = get_vstime(nodeid, slam); - - if(!slam) { - if(curvid>newvid) { - count = (curvid - newvid) * 2; - } else { - count = (newvid - curvid) * 2; - } - } - - while(count-->0) { - if(slam) { - curvid = newvid; - } - else { //ramp - if(curvid>newvid) { - curvid--; - } else { - curvid++; - } - } - - msr = rdmsr(0xc0010070); //control - msr.lo &= ~(0x7f<<bit_offset); - msr.lo |= (curvid<<bit_offset); - wrmsr(0xc0010070, msr); // how about all copys, APIC or PCI conf space? - - udelay_tsc(delay); - - msr = rdmsr(0xc0010071);//status - curvid = (msr.lo >> bit_offset) & 0x7f; // seven bits - - if(curvid == newvid) break; - - } - - return curvid; -} - - -static u32 set_nb_vid(u32 newvid, u32 nodeid, u32 coreid) -{ - return set_vid(newvid, 25, nodeid, coreid); -} - - -static u32 set_core_vid(u32 newvid, u32 nodeid, u32 coreid) -{ - return set_vid(newvid, 9, nodeid, coreid); -} - - -static unsigned set_cof(u32 val, u32 mask, u32 nodeid, u32 coreid) -{ - msr_t msr; - int count = 3; - - val &= mask; - - // FIXME: What is count for? Why 3 times? What about node and core id? - while(count-- > 0) { - - msr = rdmsr(0xc0010071); - msr.lo &= mask; - if(msr.lo == val) break; - - msr = rdmsr(0xc0010070); - msr.lo &= ~(mask); - msr.lo |= val; - wrmsr(0xc0010070, msr); - } - - return msr.lo; -} - -static u32 set_core_cof(u32 fid, u32 did, u32 nodeid, u32 coreid) -{ - u32 val; - u32 mask; - - mask = (7<<6) | 0x3f; - val = ((did & 7)<<6) | (fid & 0x3f); - - return set_cof(val, mask, nodeid, coreid); - -} - - -static u32 set_nb_cof(u32 did, u32 nodeid, u32 coreid) // fid need warmreset -{ - u32 val; - u32 mask; - - mask = 1<<22; - val = (did & 1)<<22; - - return set_cof(val, mask, nodeid, coreid); - -} - - -/* set vid and cof for core and nb after warm reset is not started by BIOS */ -static void set_core_nb_max_pstate_after_other_warm_reset(u32 nodeid, u32 coreid) // P0 -{ - msr_t msr; - u32 val; - u32 vid; - u32 mask; - u32 did; - device_t dev; - - msr = rdmsr(0xc0010064); - -#if defined(__ROMCC__) - dev = NODE_PCI(nodeid, 3); -#else - dev = get_node_pci(nodeid, 3); -#endif - - val = pci_read_config32(dev, 0xa0); - if((val>>8) & 1) { // PVI - vid = (msr.lo >> 25) & 0x7f; - } else { //SVI - vid = (msr.lo >> 9) & 0x7f; - } - set_core_vid(vid, nodeid, coreid); - - mask = (0x7<<6) | 0x3f; - val = msr.lo & mask; - set_cof(val, mask, nodeid, coreid); - - //set nb cof and vid - did = (msr.lo >> 22) & 1; - vid = (msr.lo >> 25) & 0x7f; - if(did) { - set_nb_cof(did, nodeid, coreid); - set_nb_vid(vid, nodeid, coreid); - } else { - set_nb_vid(vid, nodeid, coreid); - set_nb_cof(did, nodeid, coreid); - } - - //set the p state - msr.hi = 0; - msr.lo = 0; - wrmsr(0xc0010062, msr); - -} - - -/* set vid and cof for core and nb after warm reset is not started by BIOS */ -static void set_core_nb_min_pstate_after_other_warm_reset(u32 nodeid, u32 coreid) // Px -{ - msr_t msr; - u32 val; - u32 vid; - u32 mask; - u32 did; - u32 pstate; - device_t dev; - -#if defined(__ROMCC__) - dev = NODE_PCI(nodeid, 3); -#else - dev = get_node_pci(nodeid, 3); -#endif - - - val = pci_read_config32(dev, 0xdc); //PstateMaxVal - - pstate = (val >> 8) & 0x7; - - msr = rdmsr(0xc0010064 + pstate); - - mask = (7<<6) | 0x3f; - val = msr.lo & mask; - set_cof(val, mask, nodeid, coreid); - - val = pci_read_config32(dev, 0xa0); - if((val>>8) & 1) { // PVI - vid = (msr.lo>>25) & 0x7f; - } else { //SVI - vid = (msr.lo>>9) & 0x7f; - } - set_core_vid(vid, nodeid, coreid); - - //set nb cof and vid - did = (msr.lo >> 22) & 1; - vid = (msr.lo >> 25) & 0x7f; - if(did) { - set_nb_cof(did, nodeid, coreid); - set_nb_vid(vid, nodeid, coreid); - } else { - set_nb_vid(vid, nodeid, coreid); - set_nb_cof(did, nodeid, coreid); - } - - //set the p state - msr.hi = 0; - msr.lo = pstate; - wrmsr(0xc0010062, msr); -} |