diff --git a/src/cpu/amd/Kconfig b/src/cpu/amd/Kconfig index 8286b2a85b..3a02043848 100644 --- a/src/cpu/amd/Kconfig +++ b/src/cpu/amd/Kconfig @@ -5,6 +5,7 @@ source src/cpu/amd/socket_AM2/Kconfig source src/cpu/amd/socket_AM2r2/Kconfig source src/cpu/amd/socket_AM3/Kconfig source src/cpu/amd/socket_C32/Kconfig +source src/cpu/amd/socket_G34/Kconfig source src/cpu/amd/socket_ASB2/Kconfig source src/cpu/amd/socket_F/Kconfig source src/cpu/amd/socket_F_1207/Kconfig diff --git a/src/cpu/amd/Makefile.inc b/src/cpu/amd/Makefile.inc index a73e25ff19..e532abab7d 100644 --- a/src/cpu/amd/Makefile.inc +++ b/src/cpu/amd/Makefile.inc @@ -8,6 +8,7 @@ subdirs-$(CONFIG_CPU_AMD_SOCKET_AM2R2) += socket_AM2r2 subdirs-$(CONFIG_CPU_AMD_SOCKET_AM3) += socket_AM3 subdirs-$(CONFIG_CPU_AMD_SOCKET_ASB2) += socket_ASB2 subdirs-$(CONFIG_CPU_AMD_SOCKET_C32_NON_AGESA) += socket_C32 +subdirs-$(CONFIG_CPU_AMD_SOCKET_G34_NON_AGESA) += socket_G34 subdirs-$(CONFIG_CPU_AMD_GEODE_GX2) += geode_gx2 subdirs-$(CONFIG_CPU_AMD_GEODE_LX) += geode_lx subdirs-$(CONFIG_CPU_AMD_SOCKET_S1G1) += socket_S1G1 diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c index 96df3e7ff8..230d1aa65e 100644 --- a/src/cpu/amd/car/post_cache_as_ram.c +++ b/src/cpu/amd/car/post_cache_as_ram.c @@ -1,4 +1,5 @@ -/* 2005.6 by yhlu +/* Copyright (C) 2015 Timothy Pearson , Raptor Engineering + * 2005.6 by yhlu * 2006.3 yhlu add copy data from CAR to ram */ #include @@ -46,6 +47,15 @@ static void memset_(void *d, int val, size_t len) memset(d, val, len); } +static int memcmp_(void *d, const void *s, size_t len) +{ +#if PRINTK_IN_CAR + printk(BIOS_SPEW, " Compare [%08x-%08x] with [%08x - %08x] ... ", + (u32) s, (u32) (s + len - 1), (u32) d, (u32) (d + len - 1)); +#endif + return memcmp(d, s, len); +} + static void prepare_romstage_ramstack(void *resume_backup_memory) { size_t backup_top = backup_size(); @@ -110,6 +120,12 @@ void post_cache_as_ram(void) memcpy_(migrated_car, &_car_data_start[0], car_size); print_car_debug("Done\n"); + print_car_debug("Verifying data integrity in RAM... "); + if (memcmp_(migrated_car, &_car_data_start[0], car_size) == 0) + print_car_debug("Done\n"); + else + print_car_debug("FAILED\n"); + /* New stack grows right below migrated_car. */ print_car_debug("Switching to use RAM as stack... "); cache_as_ram_switch_stack(migrated_car); @@ -128,6 +144,7 @@ void cache_as_ram_new_stack (void) disable_cache_as_ram_bsp(); disable_cache(); + /* Enable cached access to RAM in the range 1M to CONFIG_RAMTOP */ set_var_mtrr(0, 0x00000000, CONFIG_RAMTOP, MTRR_TYPE_WRBACK); enable_cache(); diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c index 4c72848986..8de6d25e6b 100644 --- a/src/cpu/amd/model_10xxx/init_cpus.c +++ b/src/cpu/amd/model_10xxx/init_cpus.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -67,6 +68,9 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap, u32 nb_cfg_54; int i, j; u32 ApicIdCoreIdSize; + uint8_t rev_gte_d = 0; + uint8_t dual_node = 0; + uint32_t f3xe8; /* get_nodes define in ht_wrapper.c */ nodes = get_nodes(); @@ -81,6 +85,16 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap, /* Assume that all node are same stepping, otherwise we can use use nb_cfg_54 from bsp for all nodes */ nb_cfg_54 = read_nb_cfg_54(); + f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8); + + if (cpuid_eax(0x80000001) >= 0x8) + /* Revision D or later */ + rev_gte_d = 1; + + if (rev_gte_d) + /* Check for dual node capability */ + if (f3xe8 & 0x20000000) + dual_node = 1; ApicIdCoreIdSize = (cpuid_ecx(0x80000008) >> 12 & 0xf); if (ApicIdCoreIdSize) { @@ -91,6 +105,8 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap, for (i = 0; i < nodes; i++) { cores_found = get_core_num_in_bsp(i); + if (siblings > cores_found) + siblings = cores_found; u32 jstart, jend; @@ -107,9 +123,21 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap, } for (j = jstart; j <= jend; j++) { - ap_apicid = - i * (nb_cfg_54 ? (siblings + 1) : 1) + - j * (nb_cfg_54 ? 1 : 64); + if (dual_node) { + ap_apicid = 0; + if (nb_cfg_54) { + ap_apicid |= ((i >> 1) & 0x3) << 4; /* Node ID */ + ap_apicid |= ((i & 0x1) * (siblings + 1)) + j; /* Core ID */ + } else { + ap_apicid |= i & 0x3; /* Node ID */ + ap_apicid |= (((i & 0x1) * (siblings + 1)) + j) << 4; /* Core ID */ + } + } else { + ap_apicid = + i * (nb_cfg_54 ? (siblings + 1) : 1) + + j * (nb_cfg_54 ? 1 : 64); + } + #if CONFIG_ENABLE_APIC_EXT_ID && (CONFIG_APIC_ID_OFFSET > 0) #if !CONFIG_LIFT_BSP_APIC_ID diff --git a/src/cpu/amd/model_10xxx/model_10xxx_init.c b/src/cpu/amd/model_10xxx/model_10xxx_init.c index 590b89d65e..b942c1a24a 100644 --- a/src/cpu/amd/model_10xxx/model_10xxx_init.c +++ b/src/cpu/amd/model_10xxx/model_10xxx_init.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2007 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -153,6 +154,7 @@ static struct cpu_device_id cpu_table[] = { { X86_VENDOR_AMD, 0x100F63 }, /* DA-C3 */ { X86_VENDOR_AMD, 0x100F80 }, /* HY-D0 */ { X86_VENDOR_AMD, 0x100F81 }, /* HY-D1 */ + { X86_VENDOR_AMD, 0x100F91 }, /* HY-D1 */ { X86_VENDOR_AMD, 0x100FA0 }, /* PH-E0 */ { 0, 0 }, }; diff --git a/src/cpu/amd/model_10xxx/processor_name.c b/src/cpu/amd/model_10xxx/processor_name.c index a25e3a9bb6..12c45c92fe 100644 --- a/src/cpu/amd/model_10xxx/processor_name.c +++ b/src/cpu/amd/model_10xxx/processor_name.c @@ -157,6 +157,24 @@ static const struct str_s String2_socket_AM2[] = { {0, 0, 0, NULL} }; +static const struct str_s String1_socket_G34[] = { + {0x00, 0x07, 0x00, "AMD Opteron(tm) Processor 61"}, + {0x00, 0x0B, 0x00, "AMD Opteron(tm) Processor 61"}, + {0x01, 0x07, 0x01, "Embedded AMD Opteron(tm) Processor "}, + {0, 0, 0, NULL} +}; + +static const struct str_s String2_socket_G34[] = { + {0x00, 0x07, 0x00, " HE"}, + {0x00, 0x07, 0x01, " SE"}, + {0x00, 0x0B, 0x00, " HE"}, + {0x00, 0x0B, 0x01, " SE"}, + {0x00, 0x0B, 0x0F, ""}, + {0x01, 0x07, 0x01, " QS"}, + {0x01, 0x07, 0x02, " KS"}, + {0, 0, 0, NULL} +}; + static const struct str_s String1_socket_C32[] = { {0x00, 0x03, 0x00, "AMD Opteron(tm) Processor 41"}, {0x00, 0x05, 0x00, "AMD Opteron(tm) Processor 41"}, @@ -240,6 +258,11 @@ int init_processor_name(void) str = String1_socket_AM2; str2 = String2_socket_AM2; break; + case 3: /* G34 */ + str = String1_socket_G34; + str2 = String2_socket_G34; + str2_checkNC = 0; + break; case 5: /* C32 */ str = String1_socket_C32; str2 = String2_socket_C32; diff --git a/src/cpu/amd/model_10xxx/ram_calc.c b/src/cpu/amd/model_10xxx/ram_calc.c index c8637c9fa0..46ccdbd151 100644 --- a/src/cpu/amd/model_10xxx/ram_calc.c +++ b/src/cpu/amd/model_10xxx/ram_calc.c @@ -26,6 +26,7 @@ #include "ram_calc.h" +#if !IS_ENABLED(CONFIG_LATE_CBMEM_INIT) uint64_t get_uma_memory_size(uint64_t topmem) { uint64_t uma_size = 0; @@ -50,3 +51,4 @@ void *cbmem_top(void) return (void *) topmem - get_uma_memory_size(topmem); } +#endif diff --git a/src/cpu/amd/quadcore/quadcore_id.c b/src/cpu/amd/quadcore/quadcore_id.c index cf45196cf1..c5921dee7f 100644 --- a/src/cpu/amd/quadcore/quadcore_id.c +++ b/src/cpu/amd/quadcore/quadcore_id.c @@ -1,6 +1,7 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering * Copyright (C) 2007 Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or modify @@ -37,33 +38,71 @@ u32 get_initial_apicid(void) return ((cpuid_ebx(1) >> 24) & 0xff); } -//called by amd_siblings too -#define CORE_ID_BIT 2 -#define NODE_ID_BIT 6 +/* Called by amd_siblings (ramstage) as well */ struct node_core_id get_node_core_id(u32 nb_cfg_54) { struct node_core_id id; - u32 core_id_bits; + uint8_t apicid; + uint8_t rev_gte_d = 0; + uint8_t dual_node = 0; + uint32_t f3xe8; - u32 ApicIdCoreIdSize = (cpuid_ecx(0x80000008)>>12 & 0xf); - if(ApicIdCoreIdSize) { - core_id_bits = ApicIdCoreIdSize; - } else { - core_id_bits = CORE_ID_BIT; //quad core - } +#ifdef __PRE_RAM__ + f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8); +#else + f3xe8 = pci_read_config32(get_node_pci(0, 3), 0xe8); +#endif - // get the apicid via cpuid(1) ebx[31:24] + if (cpuid_eax(0x80000001) >= 0x8) + /* Revision D or later */ + rev_gte_d = 1; + + if (rev_gte_d) + /* Check for dual node capability */ + if (f3xe8 & 0x20000000) + dual_node = 1; + + /* Get the apicid via cpuid(1) ebx[31:24] + * The apicid format varies based on processor revision + */ + apicid = (cpuid_ebx(1) >> 24) & 0xff; if( nb_cfg_54) { - // when NB_CFG[54] is set, nodeid = ebx[31:26], coreid = ebx[25:24] - id.coreid = (cpuid_ebx(1) >> 24) & 0xff; - id.nodeid = (id.coreid>>core_id_bits); - id.coreid &= ((1<> 4; + } else if (rev_gte_d && !dual_node) { + id.coreid = apicid & 0x7; + id.nodeid = (apicid & 0x38) >> 3; + } else { + id.coreid = apicid & 0x3; + id.nodeid = (apicid & 0x1c) >> 2; + } } else { - // when NB_CFG[54] is clear, nodeid = ebx[29:24], coreid = ebx[31:30] - id.nodeid = (cpuid_ebx(1) >> 24) & 0xff; - id.coreid = (id.nodeid>>NODE_ID_BIT); - id.nodeid &= ((1<> 4; + id.nodeid = apicid & 0x3; + } else if (rev_gte_d && !dual_node) { + id.coreid = (apicid & 0xe0) >> 5; + id.nodeid = apicid & 0x7; + } else { + id.coreid = (apicid & 0x60) >> 5; + id.nodeid = apicid & 0x7; + } } + + if (rev_gte_d && dual_node) { + /* Coreboot expects each separate processor die to be on a different nodeid. + * Since the code above returns nodeid 0 even on internal node 1 some fixup is needed... + */ + uint8_t core_count = (((f3xe8 & 0x00008000) >> 13) | ((f3xe8 & 0x00003000) >> 12)) + 1; + + id.nodeid = id.nodeid * 2; + if (id.coreid >= core_count) { + id.nodeid += 1; + id.coreid = id.coreid - core_count; + } + } + return id; } diff --git a/src/cpu/amd/socket_G34/Kconfig b/src/cpu/amd/socket_G34/Kconfig new file mode 100644 index 0000000000..abc9726c78 --- /dev/null +++ b/src/cpu/amd/socket_G34/Kconfig @@ -0,0 +1,29 @@ +config CPU_AMD_SOCKET_G34_NON_AGESA + bool + select CPU_AMD_MODEL_10XXX + select PCI_IO_CFG_EXT + select X86_AMD_FIXED_MTRRS + +if CPU_AMD_SOCKET_G34_NON_AGESA + +config CPU_SOCKET_TYPE + hex + default 0x15 + +config EXT_RT_TBL_SUPPORT + bool + default n + +config CBB + hex + default 0x0 + +config CDB + hex + default 0x18 + +config XIP_ROM_SIZE + hex + default 0x80000 + +endif diff --git a/src/cpu/amd/socket_G34/Makefile.inc b/src/cpu/amd/socket_G34/Makefile.inc new file mode 100644 index 0000000000..a8e1333d9b --- /dev/null +++ b/src/cpu/amd/socket_G34/Makefile.inc @@ -0,0 +1,14 @@ +ramstage-y += socket_G34.c +subdirs-y += ../model_10xxx +subdirs-y += ../quadcore +subdirs-y += ../mtrr +subdirs-y += ../microcode +subdirs-y += ../../x86/tsc +subdirs-y += ../../x86/lapic +subdirs-y += ../../x86/cache +subdirs-y += ../../x86/pae +subdirs-y += ../../x86/mtrr +subdirs-y += ../../x86/smm +subdirs-y += ../smm + +cpu_incs-y += $(src)/cpu/amd/car/cache_as_ram.inc diff --git a/src/cpu/amd/socket_G34/socket_G34.c b/src/cpu/amd/socket_G34/socket_G34.c new file mode 100644 index 0000000000..90f7b8c44f --- /dev/null +++ b/src/cpu/amd/socket_G34/socket_G34.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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 + +struct chip_operations cpu_amd_socket_G34_ops = { + CHIP_NAME("socket G34") +}; diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index 6d91cbd00d..74cecc894a 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -187,6 +187,43 @@ static void ht_route_link(struct bus *link, scan_state mode) } } +static void amd_g34_fixup(struct bus *link, device_t dev) +{ + uint32_t nodeid = amdfam10_nodeid(dev); + uint8_t rev_gte_d = 0; + uint8_t dual_node = 0; + uint32_t f3xe8; + + if (cpuid_eax(0x80000001) >= 0x8) + /* Revision D or later */ + rev_gte_d = 1; + + if (rev_gte_d) { + f3xe8 = pci_read_config32(get_node_pci(0, 3), 0xe8); + + /* Check for dual node capability */ + if (f3xe8 & 0x20000000) + dual_node = 1; + + if (dual_node) { + /* Each G34 processor contains a defective HT link. + * See the BKDG Rev 3.62 section 2.7.1.5 for details. + */ + f3xe8 = pci_read_config32(get_node_pci(nodeid, 3), 0xe8); + uint8_t internal_node_number = ((f3xe8 & 0xc0000000) >> 30); + if (internal_node_number == 0) { + /* Node 0 */ + if (link->link_num == 6) /* Link 2 Sublink 1 */ + printk(BIOS_DEBUG, "amdfam10_scan_chain(): node %d (internal node ID %d): skipping defective HT link\n", nodeid, internal_node_number); + } else { + /* Node 1 */ + if (link->link_num == 5) /* Link 1 Sublink 1 */ + printk(BIOS_DEBUG, "amdfam10_scan_chain(): node %d (internal node ID %d): skipping defective HT link\n", nodeid, internal_node_number); + } + } + } +} + static void amdfam10_scan_chain(struct bus *link) { unsigned int next_unitid; @@ -277,8 +314,11 @@ static void amdfam10_scan_chains(device_t dev) trim_ht_chain(dev); for (link = dev->link_list; link; link = link->next) { - if (link->ht_link_up) + if (link->ht_link_up) { + if (IS_ENABLED(CONFIG_CPU_AMD_MODEL_10XXX)) + amd_g34_fixup(link, dev); amdfam10_scan_chain(link); + } } } @@ -323,8 +363,7 @@ static struct resource *amdfam10_find_iopair(device_t dev, unsigned nodeid, unsi if (result == 1) { /* I have been allocated this one */ break; - } - else if (result > 1) { + } else if (result > 1) { /* I have a free register pair */ free_reg = reg; } @@ -357,8 +396,7 @@ static struct resource *amdfam10_find_mempair(device_t dev, u32 nodeid, u32 link if (result == 1) { /* I have been allocated this one */ break; - } - else if (result > 1) { + } else if (result > 1) { /* I have a free register pair */ free_reg = reg; } @@ -473,8 +511,7 @@ static void amdfam10_set_resource(device_t dev, struct resource *resource, set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8); store_conf_io_addr(nodeid, link_num, reg, (resource->index >> 24), rbase>>8, rend>>8); - } - else if (resource->flags & IORESOURCE_MEM) { + } else if (resource->flags & IORESOURCE_MEM) { set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8, sysconf.nodes) ;// [39:8] store_conf_mmio_addr(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8); } @@ -799,8 +836,7 @@ static void amdfam10_domain_set_resources(device_t dev) } if ((basek + sizek) <= 4*1024*1024) { sizek = 0; - } - else { + } else { basek = 4*1024*1024; sizek -= (4*1024*1024 - mmio_basek); } @@ -977,8 +1013,7 @@ static int amdfam10_get_smbios_data17(int* count, int handle, int parent_handle, if (dimm_size_bytes > 0x800000000) { t->size = 0x7FFF; t->extended_size = dimm_size_bytes; - } - else { + } else { t->size = dimm_size_bytes / (1024*1024); t->size &= (~0x8000); /* size specified in megabytes */ } @@ -1005,8 +1040,7 @@ static int amdfam10_get_smbios_data17(int* count, int handle, int parent_handle, t->part_number = smbios_add_string(t->eos, mem_info->dct_stat[node].DimmPartNumber[slot]); if (mem_info->dct_stat[node].DimmSerialNumber[slot] == 0) { t->serial_number = smbios_add_string(t->eos, "None"); - } - else { + } else { snprintf(string_buffer, sizeof (string_buffer), "%08X", mem_info->dct_stat[node].DimmSerialNumber[slot]); t->serial_number = smbios_add_string(t->eos, string_buffer); } @@ -1108,8 +1142,7 @@ static void add_more_links(device_t dev, unsigned total_links) memset(link, 0, links*sizeof(*link)); last->next = link; } - } - else { + } else { link = malloc(total_links*sizeof(*link)); memset(link, 0, total_links*sizeof(*link)); dev->link_list = link; @@ -1244,6 +1277,10 @@ static void cpu_bus_scan(device_t dev) unsigned busn, devn; struct bus *pbus; + uint8_t rev_gte_d = 0; + uint8_t dual_node = 0; + uint32_t f3xe8; + busn = CONFIG_CBB; devn = CONFIG_CDB+i; pbus = dev_mc->bus; @@ -1268,6 +1305,7 @@ static void cpu_bus_scan(device_t dev) } } + /* Ok, We need to set the links for that device. * otherwise the device under it will not be scanned */ @@ -1279,6 +1317,17 @@ static void cpu_bus_scan(device_t dev) if (cdb_dev) add_more_links(cdb_dev, 4); + f3xe8 = pci_read_config32(get_node_pci(0, 3), 0xe8); + + if (cpuid_eax(0x80000001) >= 0x8) + /* Revision D or later */ + rev_gte_d = 1; + + if (rev_gte_d) + /* Check for dual node capability */ + if (f3xe8 & 0x20000000) + dual_node = 1; + cores_found = 0; // one core cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 3)); int enable_node = cdb_dev && cdb_dev->enabled; @@ -1290,6 +1339,9 @@ static void cpu_bus_scan(device_t dev) printk(BIOS_DEBUG, " %s siblings=%d\n", dev_path(cdb_dev), cores_found); } + if (siblings > cores_found) + siblings = cores_found; + u32 jj; if(disable_siblings) { jj = 0; @@ -1299,7 +1351,20 @@ static void cpu_bus_scan(device_t dev) } for (j = 0; j <=jj; j++ ) { - u32 apic_id = i * (nb_cfg_54?(siblings+1):1) + j * (nb_cfg_54?1:64); // ? + u32 apic_id; + + if (dual_node) { + apic_id = 0; + if (nb_cfg_54) { + apic_id |= ((i >> 1) & 0x3) << 4; /* Node ID */ + apic_id |= ((i & 0x1) * (siblings + 1)) + j; /* Core ID */ + } else { + apic_id |= i & 0x3; /* Node ID */ + apic_id |= (((i & 0x1) * (siblings + 1)) + j) << 4; /* Core ID */ + } + } else { + apic_id = i * (nb_cfg_54?(siblings+1):1) + j * (nb_cfg_54?1:64); // ? + } #if CONFIG_ENABLE_APIC_EXT_ID && (CONFIG_APIC_ID_OFFSET>0) if(sysconf.enabled_apic_ext_id) { @@ -1311,7 +1376,7 @@ static void cpu_bus_scan(device_t dev) device_t cpu = add_cpu_device(cpu_bus, apic_id, enable_node); if (cpu) amd_cpu_topology(cpu, i, j); - } //j + } } } @@ -1356,8 +1421,7 @@ static void root_complex_enable_dev(struct device *dev) /* Set the operations if it is a special bus type */ if (dev->path.type == DEVICE_PATH_DOMAIN) { dev->ops = &pci_domain_ops; - } - else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { + } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { dev->ops = &cpu_bus_ops; } } diff --git a/src/northbridge/amd/amdht/ht_wrapper.c b/src/northbridge/amd/amdht/ht_wrapper.c index 36fe60bf7a..389b1b1568 100644 --- a/src/northbridge/amd/amdht/ht_wrapper.c +++ b/src/northbridge/amd/amdht/ht_wrapper.c @@ -22,6 +22,8 @@ #include #include +#include "ht_wrapper.h" + /*---------------------------------------------------------------------------- * TYPEDEFS, DEFINITIONS AND MACROS * @@ -113,6 +115,20 @@ void getAmdTopolist(u8 ***p) *p = (u8 **)amd_topo_list; } +/** + * BOOL AMD_CB_IgnoreLink(u8 Node, u8 Link) + * Description: + * This routine is used to ignore connected yet faulty HT links, + * such as those present in a G34 processor package. + * + * Parameters: + * @param[in] node = The node on which this chain is located + * @param[in] link = The link on the host for this chain + */ +static BOOL AMD_CB_IgnoreLink (u8 node, u8 link) +{ + return 0; +} /** * void amd_ht_init(struct sys_info *sysinfo) @@ -128,7 +144,7 @@ static void amd_ht_init(struct sys_info *sysinfo) 0, // u8 AutoBusStart; 32, // u8 AutoBusMax; 6, // u8 AutoBusIncrement; - NULL, // BOOL (*AMD_CB_IgnoreLink)(); + AMD_CB_IgnoreLink, // BOOL (*AMD_CB_IgnoreLink)(); NULL, // BOOL (*AMD_CB_OverrideBusNumbers)(); AMD_CB_ManualBUIDSwapList, // BOOL (*AMD_CB_ManualBUIDSwapList)(); NULL, // void (*AMD_CB_DeviceCapOverride)(); @@ -146,6 +162,93 @@ static void amd_ht_init(struct sys_info *sysinfo) printk(BIOS_DEBUG, "Enter amd_ht_init()\n"); amdHtInitialize(&ht_wrapper); printk(BIOS_DEBUG, "Exit amd_ht_init()\n"); - - +} + +/** + * void amd_ht_fixup(struct sys_info *sysinfo) + * + * AMD HT fixup + * + */ +void amd_ht_fixup(struct sys_info *sysinfo) { + printk(BIOS_DEBUG, "amd_ht_fixup()\n"); + if (IS_ENABLED(CONFIG_CPU_AMD_MODEL_10XXX)) { + uint8_t rev_gte_d = 0; + uint8_t dual_node = 0; + uint32_t f3xe8; + uint32_t family; + uint32_t model; + + family = model = cpuid_eax(0x80000001); + model = ((model & 0xf0000) >> 16) | ((model & 0xf0) >> 4); + + if (model >= 0x8) + /* Revision D or later */ + rev_gte_d = 1; + + if (rev_gte_d) { + f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8); + + /* Check for dual node capability */ + if (f3xe8 & 0x20000000) + dual_node = 1; + + if (dual_node) { + /* Each G34 processor contains a defective HT link. + * See the BKDG Rev 3.62 section 2.7.1.5 for details. + */ + uint8_t node; + uint8_t node_count = get_nodes(); + uint32_t dword; + for (node = 0; node < node_count; node++) { + f3xe8 = pci_read_config32(NODE_PCI(node, 3), 0xe8); + uint8_t internal_node_number = ((f3xe8 & 0xc0000000) >> 30); + printk(BIOS_DEBUG, "amd_ht_fixup(): node %d (internal node ID %d): disabling defective HT link\n", node, internal_node_number); + if (internal_node_number == 0) { + uint8_t package_link_3_connected = pci_read_config32(NODE_PCI(node, 0), 0xd8) & 0x1; + if (package_link_3_connected) { + /* Set WidthIn and WidthOut to 0 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0xc4); + dword &= ~0x77000000; + pci_write_config32(NODE_PCI(node, 0), 0xc4, dword); + /* Set Ganged to 1 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0x178); + dword |= 0x00000001; + pci_write_config32(NODE_PCI(node, 0), 0x178, dword); + } else { + /* Set ConnDly to 1 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0x16c); + dword |= 0x00000100; + pci_write_config32(NODE_PCI(node, 0), 0x16c, dword); + /* Set TransOff and EndOfChain to 1 */ + dword = pci_read_config32(NODE_PCI(node, 4), 0xc4); + dword |= 0x000000c0; + pci_write_config32(NODE_PCI(node, 4), 0xc4, dword); + } + } else if (internal_node_number == 1) { + uint8_t package_link_3_connected = pci_read_config32(NODE_PCI(node, 0), 0xb8) & 0x1; + if (package_link_3_connected) { + /* Set WidthIn and WidthOut to 0 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0xa4); + dword &= ~0x77000000; + pci_write_config32(NODE_PCI(node, 0), 0xa4, dword); + /* Set Ganged to 1 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0x174); + dword |= 0x00000001; + pci_write_config32(NODE_PCI(node, 0), 0x174, dword); + } else { + /* Set ConnDly to 1 */ + dword = pci_read_config32(NODE_PCI(node, 0), 0x16c); + dword |= 0x00000100; + pci_write_config32(NODE_PCI(node, 0), 0x16c, dword); + /* Set TransOff and EndOfChain to 1 */ + dword = pci_read_config32(NODE_PCI(node, 4), 0xa4); + dword |= 0x000000c0; + pci_write_config32(NODE_PCI(node, 4), 0xa4, dword); + } + } + } + } + } + } } diff --git a/src/northbridge/amd/amdht/ht_wrapper.h b/src/northbridge/amd/amdht/ht_wrapper.h new file mode 100644 index 0000000000..3e9d957a8d --- /dev/null +++ b/src/northbridge/amd/amdht/ht_wrapper.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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. + */ + +#ifndef AMD_HT_WRAPPER_H +#define AMD_HT_WRAPPER_H + +void amd_ht_fixup(struct sys_info *sysinfo); + +#endif