/* * This file is part of the coreboot project. * * Copyright (C) 2010 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 "sr5650.h" #include "cmn.h" /* family 10 only, for reg > 0xFF */ #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 static void set_fam10_ext_cfg_enable_bits(device_t fam10_dev, u32 reg_pos, u32 mask, u32 val) { u32 reg_old, reg; reg = reg_old = Get_NB32(fam10_dev, reg_pos); reg &= ~mask; reg |= val; if (reg != reg_old) { Set_NB32(fam10_dev, reg_pos, reg); } } #else #define set_fam10_ext_cfg_enable_bits(a, b, c, d) do {} while (0) #endif /* * Compliant with CIM_33's ATINB_PrepareInit */ static void get_cpu_rev(void) { u32 eax; eax = cpuid_eax(1); printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax); if (eax <= 0xfff) printk(BIOS_INFO, "CPU Rev is K8_Cx.\n"); else if (eax <= 0x10fff) printk(BIOS_INFO, "CPU Rev is K8_Dx.\n"); else if (eax <= 0x20fff) printk(BIOS_INFO, "CPU Rev is K8_Ex.\n"); else if (eax <= 0x40fff) printk(BIOS_INFO, "CPU Rev is K8_Fx.\n"); else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */ printk(BIOS_INFO, "CPU Rev is K8_G1.\n"); else if (eax <= 0X60FF0) printk(BIOS_INFO, "CPU Rev is K8_G0.\n"); else if (eax <= 0x100000) printk(BIOS_INFO, "CPU Rev is K8_G1.\n"); else if (eax <= 0x100f00) printk(BIOS_INFO, "CPU Rev is Fam 10.\n"); else printk(BIOS_INFO, "CPU Rev is not recognized.\n"); } /* CIM NB_GetRevisionInfo() */ static u8 get_nb_rev(device_t nb_dev) { u8 reg; reg = pci_read_config8(nb_dev, 0x8); /* copy from CIM, can't find in doc */ switch(reg & 3) { case 0x00: reg = REV_SR5650_A11; break; case 0x02: default: reg = REV_SR5650_A12; break; } return reg; } /***************************************** * Compliant with SR5650_CIMX_4_5_0 NBHT_InitHT(). * Init HT link speed/width for sr5650 -- k8 link 1: Check CPU Family, Family10? 2: Get CPU's HT speed and width 3: Decide HT mode 1 or 3 by HT Speed. >1GHz: HT3, else HT1 4: *****************************************/ static const u8 sr5650_ibias[] = { /* 1, 3 are reserved. */ [0x0] = 0x44, /* 200Mhz HyperTransport 1 only */ [0x2] = 0x44, /* 400Mhz HyperTransport 1 only */ [0x4] = 0xB6, /* 600Mhz HyperTransport 1 only */ [0x5] = 0x44, /* 800Mhz HyperTransport 1 only */ [0x6] = 0x96, /* 1Ghz HyperTransport 1 only */ /* HT3 for Family 10 */ [0x7] = 0xB6, /* 1.2Ghz HyperTransport 3 only */ [0x8] = 0x23, /* 1.4Ghz HyperTransport 3 only */ [0x9] = 0x44, /* 1.6Ghz HyperTransport 3 only */ [0xa] = 0x64, /* 1.8Ghz HyperTransport 3 only */ [0xb] = 0x96, /* 2.0Ghz HyperTransport 3 only */ [0xc] = 0xA6, /* 2.2Ghz HyperTransport 3 only */ [0xd] = 0xB6, /* 2.4Ghz HyperTransport 3 only */ [0xe] = 0xC6, /* 2.6Ghz HyperTransport 3 only */ }; static void sr5650_htinit(void) { /* * About HT, it has been done in enumerate_ht_chain(). */ device_t cpu_f0, sr5650_f0, clk_f1, cpu1_f0; u32 reg; u8 cpu_ht_freq, ibias; cpu_f0 = PCI_DEV(0, 0x18, 0); cpu1_f0 = PCI_DEV(0, 0x19, 0); /************************ * get cpu's ht freq, in cpu's function 0, offset 0x88 * bit11-8, specifics the maximum operation frequency of the link's transmitter clock. * The link frequency field (Frq) is cleared by cold reset. SW can write a nonzero * value to this reg, and that value takes effect on the next warm reset or * LDTSTOP_L disconnect sequence. * please see the table sr5650_ibias about the value and its corresponding frequency. ************************/ /* Link0, Link1 are for connection between P0 and P1. * Link2 should be 0xC8? * TODO: Check the topology of the MP and NB. Or we just read the nbconfig? */ /* NOTE: In most cases, we only have one CPU. In that case, we should read 0x88. */ reg = pci_read_config32(cpu1_f0, 0x0); reg = pci_read_config32(cpu_f0, reg == 0 || reg == -1 ? 0x88 : 0xC8 ); cpu_ht_freq = (reg & 0xf00) >> 8; printk(BIOS_INFO, "sr5650_htinit cpu_ht_freq=%x.\n", cpu_ht_freq); sr5650_f0 = PCI_DEV(0, 0, 0); clk_f1 = PCI_DEV(0, 0, 1); /* We need to make sure the F1 is accessible. */ ibias = sr5650_ibias[cpu_ht_freq]; /* If HT freq>1GHz, we assume the CPU is fam10, else it is K8. * Is it appropriate? * Frequency is 1GHz, i.e. cpu_ht_freq is 6, in most cases. * So we check 6 only, it would be faster. */ if ((cpu_ht_freq == 0x6) || (cpu_ht_freq == 0x5) || (cpu_ht_freq == 0x4) || (cpu_ht_freq == 0x2) || (cpu_ht_freq == 0x0)) { printk(BIOS_INFO, "sr5650_htinit: HT1 mode\n"); /* HT1 mode, RPR 5.4.2 */ /* set IBIAS code */ set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias); /* Optimizes chipset HT transmitter drive strength */ set_htiu_enable_bits(sr5650_f0, 0x2A, 0x3, 0x3); } else if ((cpu_ht_freq > 0x6) && (cpu_ht_freq < 0xf)) { printk(BIOS_INFO, "sr5650_htinit: HT3 mode\n"); /* Enable Protocol checker */ set_htiu_enable_bits(sr5650_f0, 0x1E, 0xFFFFFFFF, 0x7FFFFFFC); #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */ /* HT3 mode, RPR 5.4.3 */ set_nbcfg_enable_bits(sr5650_f0, 0x9c, 0x3 << 16, 0); /* set IBIAS code */ set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias); /* Optimizes chipset HT transmitter drive strength */ set_htiu_enable_bits(sr5650_f0, 0x2A, 0x3, 0x1); /* Enables error-retry mode */ set_nbcfg_enable_bits(sr5650_f0, 0x44, 0x1, 0x1); /* Enables scrambling and Disalbes command throttling */ set_nbcfg_enable_bits(sr5650_f0, 0xac, (1 << 3) | (1 << 14), (1 << 3) | (1 << 14)); /* Enables transmitter de-emphasis */ set_nbcfg_enable_bits(sr5650_f0, 0xa4, 1 << 31, 1 << 31); /* Enabels transmitter de-emphasis level */ /* Sets training 0 time */ set_nbcfg_enable_bits(sr5650_f0, 0xa0, 0x3F, 0x14); /* Enables strict TM4 detection */ set_htiu_enable_bits(sr5650_f0, 0x15, 0x1 << 22, 0x1 << 22); /* HyperTransport 3 Processor register settings to be done in northbridge */ /* Enables error-retry mode */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x130, 1 << 0, 1 << 0); set_fam10_ext_cfg_enable_bits(cpu_f0, 0x134, 1 << 0, 1 << 0); /* TODO: Check if it is needed to set other node. */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x138, 1 << 0, 1 << 0); /* Enables scrambling */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x170, 1 << 3, 1 << 3); set_fam10_ext_cfg_enable_bits(cpu_f0, 0x174, 1 << 3, 1 << 3); /* TODO: Check if it is needed to set other node. */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x178, 1 << 3, 1 << 3); /* Enables transmitter de-emphasis * This depends on the PCB design and the trace */ /* Disables command throttling */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x168, 1 << 10, 1 << 10); /* Sets Training 0 Time. See T0Time table for encodings */ set_fam10_ext_cfg_enable_bits(cpu_f0, 0x16C, 0x3F, 0x20); /* HT Buffer Allocation for Ganged Links!!! */ #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */ } } #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 /* save some spaces */ /******************************************************* * Optimize k8 with UMA. * See BKDG_NPT_0F guide for details. * The processor node is addressed by its Node ID on the HT link and can be * accessed with a device number in the PCI configuration space on Bus0. * The Node ID 0 is mapped to Device 24 (0x18), the Node ID 1 is mapped * to Device 25, and so on. * The processor implements configuration registers in PCI configuration * space using the following four headers * Function0: HT technology configuration * Function1: Address map configuration * Function2: DRAM and HT technology Trace mode configuration * Function3: Miscellaneous configuration *******************************************************/ static void k8_optimization(void) { device_t k8_f0, k8_f2, k8_f3; msr_t msr; printk(BIOS_INFO, "k8_optimization()\n"); k8_f0 = PCI_DEV(0, 0x18, 0); k8_f2 = PCI_DEV(0, 0x18, 2); k8_f3 = PCI_DEV(0, 0x18, 3); pci_write_config32(k8_f0, 0x90, 0x01700169); /* CIM NPT_Optimization */ set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 28, 0 << 28); set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 26 | 1 << 27, 1 << 26 | 1 << 27); set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 11, 1 << 11); /* set_nbcfg_enable_bits(k8_f0, 0x84, 1 << 11 | 1 << 13 | 1 << 15, 1 << 11 | 1 << 13 | 1 << 15); */ /* TODO */ pci_write_config32(k8_f3, 0x70, 0x51220111); /* CIM NPT_Optimization */ pci_write_config32(k8_f3, 0x74, 0x50404021); pci_write_config32(k8_f3, 0x78, 0x08002A00); if (pci_read_config32(k8_f3, 0xE8) & 0x3<<12) pci_write_config32(k8_f3, 0x7C, 0x0000211A); /* dual core */ else pci_write_config32(k8_f3, 0x7C, 0x0000212B); /* single core */ set_nbcfg_enable_bits_8(k8_f3, 0xDC, 0xFF, 0x25); set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5); set_nbcfg_enable_bits(k8_f2, 0x94, 0xF << 24, 7 << 24); set_nbcfg_enable_bits(k8_f2, 0x90, 1 << 10, 0 << 10); set_nbcfg_enable_bits(k8_f2, 0xA0, 3 << 2, 3 << 2); set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5); msr = rdmsr(0xC001001F); msr.lo &= ~(1 << 9); msr.hi &= ~(1 << 4); wrmsr(0xC001001F, msr); } #else #define k8_optimization() do{}while(0) #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 */ #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */ void fam10_optimization(void) { device_t cpu_f0, cpu_f2, cpu_f3; device_t cpu1_f0, cpu1_f2, cpu1_f3; msr_t msr; u32 val; printk(BIOS_INFO, "fam10_optimization()\n"); msr = rdmsr(0xC001001F); msr.hi |= 1 << 14; /* bit 46: EnableCf8ExtCfg */ wrmsr(0xC001001F, msr); cpu_f0 = PCI_DEV(0, 0x18, 0); cpu_f2 = PCI_DEV(0, 0x18, 2); cpu_f3 = PCI_DEV(0, 0x18, 3); cpu1_f0 = PCI_DEV(0, 0x19, 0); cpu1_f2 = PCI_DEV(0, 0x19, 2); cpu1_f3 = PCI_DEV(0, 0x19, 3); val = pci_read_config32(cpu1_f3, 0x8C); val |= 1 << 14; pci_write_config32(cpu1_f3, 0x8C, val); /* TODO: HT Buffer Allocation for (un)Ganged Links */ /* rpr Table 5-11, 5-12 */ } #else #define fam10_optimization() do{}while(0) #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */ /***************************************** * Compliant with CIM_33's ATINB_PCICFG_POR_TABLE *****************************************/ static void sr5650_por_pcicfg_init(device_t nb_dev) { /* enable PCI Memory Access */ set_nbcfg_enable_bits_8(nb_dev, 0x04, (u8)(~0xFD), 0x02); set_nbcfg_enable_bits(nb_dev, 0x14, ~0, 0x0); set_nbcfg_enable_bits(nb_dev, 0x18, ~0, 0x0); set_nbcfg_enable_bits(nb_dev, 0x20, ~0, 0x0); set_nbcfg_enable_bits(nb_dev, 0x84, ~0, 0x03000010); /* Reg4Ch[1]=1 (APIC_ENABLE) force cpu request with address 0xFECx_xxxx to south-bridge * Reg4Ch[6]=1 (BMMsgEn) enable BM_Set message generation * BMMsgEn */ set_nbcfg_enable_bits(nb_dev, 0x4C, (u8)(~0x00), 0x52042); set_nbcfg_enable_bits(nb_dev, 0x7C, (u8)(~0), 0x0); /* Reg8Ch[10:9] = 0x3 Enables Gfx Debug BAR, * force this BAR as mem type in sr5650_gfx.c */ //set_nbcfg_enable_bits_8(nb_dev, 0x8D, (u8)(~0xFF), 0x03); } /***************************************** * Compliant with CIM_33's ATINB_MISCIND_POR_TABLE * Compliant with CIM_33's MISC_INIT_TBL *****************************************/ static void sr5650_por_misc_index_init(device_t nb_dev) { /* disable IOMMU */ set_nbmisc_enable_bits(nb_dev, 0x75, 0x1, 0x0); /* NBMISCIND:0x75[29]= 1 Device ID for hotplug and PME message */ set_nbmisc_enable_bits(nb_dev, 0x75, 1 << 29, 1 << 29); set_nbmisc_enable_bits(nb_dev, 0x75, 1 << 9, 1 << 9); /* no doc reference, comply with BTS */ set_nbmisc_enable_bits(nb_dev, 0x46, 1 << 7, 1 << 7); /* bit7 BTS fail*/ /*P2P*/ set_nbmisc_enable_bits(nb_dev, 0x48, 1 << 8, 0); set_nbmisc_enable_bits(nb_dev, 0x2A, 1 << 15 | 1 << 17, 1 << 17); set_nbmisc_enable_bits(nb_dev, 0x2B, 1 << 15 | 1 << 27, 1 << 15 | 1 << 27); set_nbmisc_enable_bits(nb_dev, 0x2C, 1 << 0 | 1 << 1 | 1 << 5 | 1 << 4 | 1 << 10, 1 << 0 | 1 << 1 | 1 << 5); set_nbmisc_enable_bits(nb_dev, 0x32, 0x3F << 20, 0x2A << 20); set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31, 0); /* bit31 BTS fail */ set_nbmisc_enable_bits(nb_dev, 0x35, 0x3F << 26, 0x2A << 26); set_nbmisc_enable_bits(nb_dev, 0x37, 0xfff << 20, 0xddd << 20); set_nbmisc_enable_bits(nb_dev, 0x37, 7 << 11, 0); /* PCIE CDR setting */ set_nbmisc_enable_bits(nb_dev, 0x38, 0xFFFFFFFF, 0xC0C0C0); set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 31, 0); /* bit31 BTS fail */ set_nbmisc_enable_bits(nb_dev, 0x22, 0xFFFFFFFF, (1 << 27) | (0x8 << 12) | (0x8 << 16) | (0x8 << 20)); set_nbmisc_enable_bits(nb_dev, 0x22, 1 << 1 | 1 << 2 | 1 << 6 | 1 << 7, 1 << 1 | 1 << 2 | 1 << 6 | 1 << 7); set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 4 | 1 << 24, 0xF << 4 | 1 << 24); set_nbmisc_enable_bits(nb_dev, 0x67, 1 << 10 | 1 << 11 | 1 << 26, 1 << 11); set_nbmisc_enable_bits(nb_dev, 0x67, 3 << 21, 3 << 21); set_nbmisc_enable_bits(nb_dev, 0x68, 1 << 8 | 1 << 9 | 1 << 19, 1 << 9 | 1 << 19); set_nbmisc_enable_bits(nb_dev, 0x6B, 3 << 3 | 1 << 15 | 0x1F << 27, 3 << 3 | 1 << 15 | 0x1F << 27); set_nbmisc_enable_bits(nb_dev, 0x6C, 0xFFFFFFFF, 0x41183000); /* NB_MISC_IND_WR_EN + IOC_PCIE_CNTL * Block non-snoop DMA request if PMArbDis is set. * Set BMSetDis */ set_nbmisc_enable_bits(nb_dev, 0x0B, 0xFFFFFFFF, 0x00400180); set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x00000310); /* NBCFG (NBMISCIND 0x0): NB_CNTL - * HIDE_NB_AGP_CAP ([0], default=1)HIDE * HIDE_P2P_AGP_CAP ([1], default=1)HIDE * HIDE_NB_GART_BAR ([2], default=1)HIDE * AGPMODE30 ([4], default=0)DISABLE * AGP30ENCHANCED ([5], default=0)DISABLE * HIDE_AGP_CAP ([8], default=1)ENABLE */ set_nbmisc_enable_bits(nb_dev, 0x00, 0x0000FFFF, 0 << 0 | 1 << 1 | 1 << 2 | 0 << 6); /* IOC_LAT_PERF_CNTR_CNTL */ set_nbmisc_enable_bits(nb_dev, 0x30, 0xFF, 0x00); //set_nbmisc_enable_bits(nb_dev, 0x31, 0xFF, 0x00); /* IOC_LAT_PERF_CNTR_OUT */ /* IOC_JTAG_CNTL */ set_nbmisc_enable_bits(nb_dev, 0x47, 0xFFFFFFFF, 0x0000000B); set_nbmisc_enable_bits(nb_dev, 0x12, 0xFFFFFFFF, 0x00FB5555); set_nbmisc_enable_bits(nb_dev, 0x0C, 0xFFFFFFFF, 0x001f37EC); set_nbmisc_enable_bits(nb_dev, 0x15, 0xFFFFFFFF, 0x0); /* NB_PROG_DEVICE_REMAP */ set_nbmisc_enable_bits(nb_dev, 0x20, 0xFFFFFFFF, 0x0); set_nbmisc_enable_bits(nb_dev, 0x21, 0xFFFFFFFF, 0x0); /* Compliant with CIM_33's MISC_INIT_TBL, except Hide NB_BAR3_PCIE * Enable access to DEV8 * Enable setPower message for all ports */ set_nbmisc_enable_bits(nb_dev, 0x51, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x53, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x55, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x57, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x59, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x5B, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x5D, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x5F, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x61, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); set_nbmisc_enable_bits(nb_dev, 0x63, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8); /* Disable bus-master trigger event from SB and Enable set_slot_power message to SB */ set_nbmisc_enable_bits(nb_dev, 0x0B, 0xffffffff, 0x400180); } /***************************************** * Some setting is from rpr. Some is from CIMx. *****************************************/ static void sr5650_por_htiu_index_init(device_t nb_dev) { device_t cpu_f0; cpu_f0 = PCI_DEV(0, 0x18, 0); set_htiu_enable_bits(nb_dev, 0x1C, 0x1<<17, 0x1<<17); set_htiu_enable_bits(nb_dev, 0x05, 0x1<<8, 0x1<<8); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<0, 0x0<<0); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<1, 0x1<<1); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<9, 0x1<<9); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<13, 0x1<<13); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<17, 0x1<<17); set_htiu_enable_bits(nb_dev, 0x06, 0x3<<15, 0x3<<15); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<25, 0x1<<25); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<30, 0x1<<30); set_htiu_enable_bits(nb_dev, 0x07, 0x1 << 0 | 0x1 << 1 | 0x1 << 2, 0x1 << 0); set_htiu_enable_bits(nb_dev, 0x16, 0x1<<11, 0x1<<11); set_htiu_enable_bits(nb_dev, 0x1D, 0x1<<2, 0x1<<2); set_htiu_enable_bits(nb_dev, 0x1D, 0x1<<4, 0x1<<4); set_nbcfg_enable_bits(cpu_f0, 0x68, 3 << 21, 0 << 21); axindxc_reg(0x10, 1 << 9, 1 << 9); set_pcie_enable_bits(nb_dev, 0x10 | 5 << 16, 1 << 9, 1 << 9); set_htiu_enable_bits(nb_dev, 0x06, 0x1<<26, 0x1<<26); set_htiu_enable_bits(nb_dev, 0x16, 0x1<<10, 0x1<<10); /* Enable BIAS circuit for all lanes. */ //set_htiu_enable_bits(nb_dev, 0x2B, 0xF<<28, 0xF<<28); set_htiu_enable_bits(nb_dev, 0x2B, 0xF << 28, 0); set_htiu_enable_bits(nb_dev, 0x05, 0xFFFFFF, 0xFF558); set_htiu_enable_bits(nb_dev, 0x06, 0xFFFFFFFE, 0x04203A202); set_htiu_enable_bits(nb_dev, 0x0C, 0xFFFF, 0x101); /* A21 only */ //if (REV_SR5650_A21 == get_nb_rev(nb_dev)) { if (get_nb_rev(nb_dev) > REV_SR5650_A11) { set_htiu_enable_bits(nb_dev, 0x05, 0x3<<3| 1<<6 | 1<<10 | 0xFF<<12, 0x3<<3 | 1<<6 | 1<<10 | 0xFF<<12); set_htiu_enable_bits(nb_dev, 0x1D, 1 << 2 | 1 << 4, 0); } } /***************************************** * Compliant with CIM_33's ATINB_POR_INIT_JMPDI * Configure SR5650 registers to power-on default RPR. * POR: Power On Reset * RPR: Register Programming Requirements *****************************************/ static void sr5650_por_init(device_t nb_dev) { printk(BIOS_INFO, "sr5650_por_init\n"); /* ATINB_PCICFG_POR_TABLE, initialize the values for sr5650 PCI Config registers */ sr5650_por_pcicfg_init(nb_dev); /* ATINB_MISCIND_POR_TABLE */ sr5650_por_misc_index_init(nb_dev); /* ATINB_HTIUNBIND_POR_TABLE */ sr5650_por_htiu_index_init(nb_dev); /* ATINB_CLKCFG_PORT_TABLE */ /* sr5650 A11 SB Link full swing? */ } /* enable CFG access to Dev8, which is the SB P2P Bridge */ static void enable_sr5650_dev8(void) { set_nbmisc_enable_bits(PCI_DEV(0, 0, 0), 0x00, 1 << 6, 1 << 6); } /* * Compliant with CIM_33's AtiNBInitEarlyPost (AtiInitNBBeforePCIInit). */ static void sr5650_before_pci_init(void) { } /* * The calling sequence is same as CIM. */ static void sr5650_early_setup(void) { device_t nb_dev = PCI_DEV(0, 0, 0); printk(BIOS_INFO, "sr5650_early_setup()\n"); /*ATINB_PrepareInit */ get_cpu_rev(); switch (get_nb_rev(nb_dev)) { /* PCIEMiscInit */ case REV_SR5650_A11: printk(BIOS_INFO, "NB Revision is A11.\n"); break; case REV_SR5650_A12: printk(BIOS_INFO, "NB Revision is A12.\n"); break; case REV_SR5650_A21: printk(BIOS_INFO, "NB Revision is A21.\n"); break; } #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 fam10_optimization(); #else k8_optimization(); #endif sr5650_por_init(nb_dev); } /** * @brief disable GPP1 Port0,1, GPP3a Port0,1,2,3,4,5 * */ void disable_pcie_bridge(void) { u32 mask; u32 reg; device_t nb_dev = PCI_DEV(0, 0, 0); mask = (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 16) | (1 << 17); reg = mask; set_nbmisc_enable_bits(nb_dev, 0x0c, mask, reg); }