diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/defaults.h | 5 | ||||
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/init_cpus.c | 16 | ||||
| -rw-r--r-- | src/mainboard/asus/kgpe-d16/cmos.default | 3 | ||||
| -rw-r--r-- | src/mainboard/asus/kgpe-d16/cmos.layout | 9 | ||||
| -rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 22 | ||||
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 11 |
6 files changed, 58 insertions, 8 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/defaults.h b/src/cpu/amd/family_10h-family_15h/defaults.h index d4999b996e..7fd115c93f 100644 --- a/src/cpu/amd/family_10h-family_15h/defaults.h +++ b/src/cpu/amd/family_10h-family_15h/defaults.h @@ -135,9 +135,8 @@ static const struct { 0x00000000, 1 << (42-32)}, /* Bx [PwcDisableWalkerSharing]=1 */ { BU_CFG3, AMD_OR_C0, AMD_PTYPE_ALL, - (0x3 << 20) | (0x1 << 22), 0x00000000, - (0x3 << 20) | (0x1 << 22), 0x00000000}, /* C0 or above [PfcDoubleStride]=1, - PfcStrideMul]=0x3 */ + 1 << 22, 0x00000000, + 1 << 22, 0x00000000}, /* C0 or above [PfcDoubleStride]=1 */ { EX_CFG, AMD_OR_C0, AMD_PTYPE_ALL, 0x00000000, 1 << (54-32), diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c index 55df7a4c03..da458883d3 100644 --- a/src/cpu/amd/family_10h-family_15h/init_cpus.c +++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c @@ -953,6 +953,7 @@ void cpuSetAMDMSR(uint8_t node_id) */ msr_t msr; u8 i; + uint8_t nvram; u32 platform; uint64_t revision; uint8_t enable_c_states; @@ -977,6 +978,13 @@ void cpuSetAMDMSR(uint8_t node_id) /* Revision C0 and above */ if (revision & AMD_OR_C0) { + uint8_t enable_experimental_memory_speed_boost; + + /* Check to see if cache partitioning is allowed */ + enable_experimental_memory_speed_boost = 0; + if (get_option(&nvram, "experimental_memory_speed_boost") == CB_SUCCESS) + enable_experimental_memory_speed_boost = !!nvram; + uint32_t f3x1fc = pci_read_config32(NODE_PCI(node_id, 3), 0x1fc); msr = rdmsr(FP_CFG); msr.hi &= ~(0x7 << (42-32)); /* DiDtCfg4 */ @@ -996,11 +1004,15 @@ void cpuSetAMDMSR(uint8_t node_id) msr.lo &= ~(0x1 << 16); /* DiDtMode */ msr.lo |= ((f3x1fc & 0x1) << 16); wrmsr(FP_CFG, msr); + + if (enable_experimental_memory_speed_boost) { + msr = rdmsr(BU_CFG3); + msr.lo |= (0x3 << 20); /* PfcStrideMul = 0x3 */ + wrmsr(BU_CFG3, msr); + } } #if IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_SB700) || IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_SB800) - uint8_t nvram; - if (revision & (AMD_DR_GT_D0 | AMD_FAM15_ALL)) { /* Set up message triggered C1E */ msr = rdmsr(0xc0010055); diff --git a/src/mainboard/asus/kgpe-d16/cmos.default b/src/mainboard/asus/kgpe-d16/cmos.default index 024d263272..3319497f4b 100644 --- a/src/mainboard/asus/kgpe-d16/cmos.default +++ b/src/mainboard/asus/kgpe-d16/cmos.default @@ -20,6 +20,9 @@ cpu_cc6_state = Enable sata_ahci_mode = Enable sata_alpm = Disable maximum_p_state_limit = 0xf +probe_filter = Auto +l3_cache_partitioning = Disable ieee1394_controller = Enable +experimental_memory_speed_boost = Disable power_on_after_fail = On boot_option = Fallback diff --git a/src/mainboard/asus/kgpe-d16/cmos.layout b/src/mainboard/asus/kgpe-d16/cmos.layout index b144347f9f..a34547ae48 100644 --- a/src/mainboard/asus/kgpe-d16/cmos.layout +++ b/src/mainboard/asus/kgpe-d16/cmos.layout @@ -44,8 +44,11 @@ entries 468 1 e 1 sata_alpm 469 4 h 0 maximum_p_state_limit 473 2 e 13 dimm_spd_checksum -475 1 r 0 allow_spd_nvram_cache_restore -477 1 e 1 ieee1394_controller +475 1 e 14 probe_filter +476 1 e 1 l3_cache_partitioning +477 1 e 1 experimental_memory_speed_boost +478 1 r 0 allow_spd_nvram_cache_restore +479 1 e 1 ieee1394_controller 728 256 h 0 user_data 984 16 h 0 check_sum # Reserve the extended AMD configuration registers @@ -142,6 +145,8 @@ enumerations 13 0 Enforce 13 1 Ignore 13 2 Override +14 0 Disable +14 1 Auto checksums diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index ced64aa65e..600fdf8596 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -1650,6 +1650,17 @@ static void detect_and_enable_probe_filter(device_t dev) { uint32_t dword; + uint8_t nvram; + uint8_t enable_probe_filter; + + /* Check to see if the probe filter is allowed */ + enable_probe_filter = 1; + if (get_option(&nvram, "probe_filter") == CB_SUCCESS) + enable_probe_filter = !!nvram; + + if (!enable_probe_filter) + return; + uint8_t fam15h = 0; uint8_t rev_gte_d = 0; uint8_t dual_node = 0; @@ -1810,6 +1821,17 @@ static void detect_and_enable_cache_partitioning(device_t dev) uint8_t i; uint32_t dword; + uint8_t nvram; + uint8_t enable_l3_cache_partitioning; + + /* Check to see if cache partitioning is allowed */ + enable_l3_cache_partitioning = 0; + if (get_option(&nvram, "l3_cache_partitioning") == CB_SUCCESS) + enable_l3_cache_partitioning = !!nvram; + + if (!enable_l3_cache_partitioning) + return; + if (is_fam15h()) { printk(BIOS_DEBUG, "Enabling L3 cache partitioning\n"); diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c index aad813a056..a6cc70f9f5 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c @@ -5559,6 +5559,14 @@ static void mct_FinalMCT_D(struct MCTStatStruc *pMCTstat, mct_ExtMCTConfig_Dx(pDCTstat); } else { /* Family 15h CPUs */ + uint8_t nvram; + uint8_t enable_experimental_memory_speed_boost; + + /* Check to see if cache partitioning is allowed */ + enable_experimental_memory_speed_boost = 0; + if (get_option(&nvram, "experimental_memory_speed_boost") == CB_SUCCESS) + enable_experimental_memory_speed_boost = !!nvram; + val = 0x0ce00f00; /* FlushWrOnStpGnt = 0x0 */ val |= 0x10 << 2; /* MctWrLimit = 0x10 */ val |= 0x1; /* DctWrLimit = 0x1 */ @@ -5572,7 +5580,8 @@ static void mct_FinalMCT_D(struct MCTStatStruc *pMCTstat, val &= ~(0x7 << 8); /* CohPrefPrbLmt = 0x1 */ val |= (0x1 << 8); val |= (0x1 << 12); /* EnSplitDctLimits = 0x1 */ - val |= (0x1 << 20); /* DblPrefEn = 0x1 */ + if (enable_experimental_memory_speed_boost) + val |= (0x1 << 20); /* DblPrefEn = 0x1 */ val |= (0x7 << 22); /* PrefFourConf = 0x7 */ val |= (0x7 << 25); /* PrefFiveConf = 0x7 */ val &= ~(0xf << 28); /* DcqBwThrotWm = 0x0 */ |