/* * 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. */ #ifndef __RS780_H__ #define __RS780_H__ #include #include #include #include "chip.h" #include "rev.h" #define NBMISC_INDEX 0x60 #define NBHTIU_INDEX 0x94 #define NBMC_INDEX 0xE8 #define NBPCIE_INDEX 0xE0 #define EXT_CONF_BASE_ADDRESS 0xE0000000 #define TEMP_MMIO_BASE_ADDRESS 0xC0000000 #define get_nb_rev(dev) pci_read_config8((dev), 0x89) typedef struct __PCIE_CFG__ { u16 Config; u8 ResetReleaseDelay; u8 Gfx0Width; u8 Gfx1Width; u8 GfxPayload; u8 GppPayload; u16 PortDetect; u8 PortHp; /* hot plug */ u16 DbgConfig; u32 DbgConfig2; u8 GfxLx; u8 GppLx; u8 NBSBLx; u8 PortSlotInit; u8 Gfx0Pwr; u8 Gfx1Pwr; u8 GppPwr; } PCIE_CFG; /* The Integrated Info Table */ #define USHORT u16 #define UCHAR u8 #define ULONG u32 typedef struct _ATOM_COMMON_TABLE_HEADER { USHORT usStructureSize; UCHAR ucTableFormatRevision; UCHAR ucTableContentRevision; }ATOM_COMMON_TABLE_HEADER; typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 { ATOM_COMMON_TABLE_HEADER sHeader; ULONG ulBootUpEngineClock; //in 10kHz unit ULONG ulReserved1[2]; //must be 0x0 for the reserved ULONG ulBootUpUMAClock; //in 10kHz unit ULONG ulBootUpSidePortClock; //in 10kHz unit ULONG ulMinSidePortClock; //in 10kHz unit ULONG ulReserved2[6]; //must be 0x0 for the reserved ULONG ulSystemConfig; //[0]=1: PowerExpress mode // =0 Non-PowerExpress mode; //[1]=1: system boots up at AMD overdriven state or user customized mode. In this case, driver will disable other power state in VBIOS table. // =0: system boots up at driver control state. Power state depends on VBIOS PP table. //[2]=1: PWM method is used on NB voltage control. // =0: GPIO method is used. //[3]=1: Only one power state(Performance) will be supported. // =0: Number of power states supported is from VBIOS PP table. //[4]=1: CLMC is supported and enabled on current system. // =0: CLMC is not supported or enabled on current system. SBIOS need to support HT link/freq change through ATIF interface. //[5]=1: Enable CDLW for all driver control power states. Max HT width is from SBIOS, while Min HT width is determined by display requirement. // =0: CDLW is disabled. If CLMC is enabled case, Min HT width will be set equal to Max HT width. If CLMC disabled case, Max HT width will be applied. //[6]=1: High Voltage requested for all power states. In this case, voltage will be forced at 1.1v and VBIOS PP table voltage drop/throttling request will be ignored. // =0: Voltage settings is determined by VBIOS PP table. //[7]=1: Enable CLMC Hybrid Mode. CDLD and CILR will be disabled in this case and we're using legacy C1E. This is workaround for CPU(Griffin) performance issue. // =0: Enable regular CLMC mode, CDLD and CILR will be enabled. //[8]=1: CDLF is supported and enabled by fuse //CHP 914 // =0: CDLF is not supported and not enabled by fuses ULONG ulBootUpReqDisplayVector; ULONG ulOtherDisplayMisc; ULONG ulDDISlot1Config; ULONG ulDDISlot2Config; UCHAR ucMemoryType; //[3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved UCHAR ucUMAChannelNumber; UCHAR ucDockingPinBit; UCHAR ucDockingPinPolarity; ULONG ulDockingPinCFGInfo; ULONG ulCPUCapInfo; USHORT usNumberOfCyclesInPeriod; //usNumberOfCyclesInPeriod[15] = 0 - invert waveform // 1 - non inverted waveform USHORT usMaxNBVoltage; USHORT usMinNBVoltage; USHORT usBootUpNBVoltage; ULONG ulHTLinkFreq; //in 10Khz USHORT usMinHTLinkWidth; // if no CLMC, usMinHTLinkWidth should be equal to usMaxHTLinkWidth?? USHORT usMaxHTLinkWidth; USHORT usUMASyncStartDelay; // will be same as usK8SyncStartDelay on RS690 USHORT usUMADataReturnTime; // will be same as usK8DataReturnTime on RS690 USHORT usLinkStatusZeroTime; USHORT usReserved; ULONG ulHighVoltageHTLinkFreq; // in 10Khz ULONG ulLowVoltageHTLinkFreq; // in 10Khz USHORT usMaxUpStreamHTLinkWidth; USHORT usMaxDownStreamHTLinkWidth; USHORT usMinUpStreamHTLinkWidth; USHORT usMinDownStreamHTLinkWidth; ULONG ulReserved3[97]; //must be 0x0 } ATOM_INTEGRATED_SYSTEM_INFO_V2; /* PCIE config flags */ #define PCIE_DUALSLOT_CONFIG (1 << 0) #define PCIE_OVERCLOCK_ENABLE (1 << 1) #define PCIE_GPP_CLK_GATING (1 << 2) #define PCIE_ENABLE_STATIC_DEV_REMAP (1 << 3) #define PCIE_OFF_UNUSED_GFX_LANES (1 << 4) #define PCIE_OFF_UNUSED_GPP_LANES (1 << 5) #define PCIE_DISABLE_HIDE_UNUSED_PORTS (1 << 7) #define PCIE_GFX_CLK_GATING (1 << 11) #define PCIE_GFX_COMPLIANCE (1 << 14) #define PCIE_GPP_COMPLIANCE (1 << 15) /* -------------------- ---------------------- * NBMISCIND ------------------- -----------------------*/ #define PCIE_LINK_CFG 0x8 #define PCIE_NBCFG_REG7 0x37 #define STRAPS_OUTPUT_MUX_7 0x67 #define STRAPS_OUTPUT_MUX_A 0x6a /* -------------------- ---------------------- * PCIEIND ------------------- -----------------------*/ #define PCIE_CI_CNTL 0x20 #define PCIE_LC_LINK_WIDTH 0xa2 #define PCIE_LC_STATE0 0xa5 #define PCIE_VC0_RESOURCE_STATUS 0x12a /* 16bit read only */ #define PCIE_CORE_INDEX_GFX (0x00 << 16) /* see 5.2.2 */ #define PCIE_CORE_INDEX_GPPSB (0x01 << 16) #define PCIE_CORE_INDEX_GPP (0x02 << 16) #define PCIE_CORE_INDEX_BRDCST (0x03 << 16) /* contents of PCIE_NBCFG_REG7 */ #define RECONFIG_GPPSB_EN (1 << 12) #define RECONFIG_GPPSB_GPPSB (1 << 14) #define RECONFIG_GPPSB_LINK_CONFIG (1 << 15) #define RECONFIG_GPPSB_ATOMIC_RESET (1 << 17) /* contents of PCIE_VC0_RESOURCE_STATUS */ #define VC_NEGOTIATION_PENDING (1 << 1) #define LC_STATE_RECONFIG_GPPSB 0x10 /* ------------------------------------------------ * Global variable * ------------------------------------------------- */ extern PCIE_CFG AtiPcieCfg; #if ENV_RAMSTAGE /* ----------------- export functions ----------------- */ u32 nbmisc_read_index(struct device * nb_dev, u32 index); void nbmisc_write_index(struct device * nb_dev, u32 index, u32 data); u32 nbpcie_p_read_index(struct device * dev, u32 index); void nbpcie_p_write_index(struct device * dev, u32 index, u32 data); u32 nbpcie_ind_read_index(struct device * nb_dev, u32 index); void nbpcie_ind_write_index(struct device * nb_dev, u32 index, u32 data); u32 htiu_read_index(struct device * nb_dev, u32 index); void htiu_write_index(struct device * nb_dev, u32 index, u32 data); u32 nbmc_read_index(struct device * nb_dev, u32 index); void nbmc_write_index(struct device * nb_dev, u32 index, u32 data); u32 pci_ext_read_config32(struct device *nb_dev, struct device *dev, u32 reg); void pci_ext_write_config32(struct device *nb_dev, struct device *dev, u32 reg, u32 mask, u32 val); void set_nbcfg_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); void set_nbcfg_enable_bits_8(struct device * nb_dev, u32 reg_pos, u8 mask, u8 val); void set_nbmc_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); void set_htiu_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); void set_nbmisc_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); void set_pcie_enable_bits(struct device *dev, u32 reg_pos, u32 mask, u32 val); void rs780_set_tom(struct device *nb_dev); void ProgK8TempMmioBase(u8 in_out, u32 pcie_base_add, u32 mmio_base_add); void enable_pcie_bar3(struct device *nb_dev); void disable_pcie_bar3(struct device *nb_dev); void rs780_enable(struct device *dev); void rs780_gpp_sb_init(struct device *nb_dev, struct device *dev, u32 port); void rs780_gfx_init(struct device *nb_dev, struct device *dev, u32 port); void avoid_lpc_dma_deadlock(struct device *nb_dev, struct device *sb_dev); void config_gpp_core(struct device *nb_dev, struct device *sb_dev); void PcieReleasePortTraining(struct device *nb_dev, struct device *dev, u32 port); u8 PcieTrainPort(struct device *nb_dev, struct device *dev, u32 port); void pcie_hide_unused_ports(struct device *nb_dev); #endif u32 extractbit(u32 data, int bit_number); u32 extractbits(u32 source, int lsb, int msb); int cpuidFamily(void); int is_family0Fh(void); int is_family10h(void); void enable_rs780_dev8(void); void rs780_early_setup(void); void rs780_htinit(void); int is_dev3_present(void); void set_pcie_reset(void); void set_pcie_dereset(void); #endif /* __RS780_H__ */