| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. |
| * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, 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. |
| */ |
| |
| |
| #ifndef H3FFEAT_H |
| #define H3FFEAT_H |
| |
| #include "h3finit.h" |
| |
| /*---------------------------------------------------------------------------- |
| * Mixed (DEFINITIONS AND MACROS / TYPEDEFS, STRUCTURES, ENUMS) |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*----------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *----------------------------------------------------------------------------- |
| */ |
| |
| #define MAX_NODES 8 |
| #define MAX_LINKS 8 |
| #define MAX_PLATFORM_LINKS 64 /* 8x8 fully connected (28) + 4 chains with two HT devices */ |
| |
| /* These following are internal definitions */ |
| #define ROUTETOSELF 0x0F |
| #define INVALID_LINK 0xCC /* Used in port list data structure to mark unused data entries. |
| Can also be used for no link found in a port list search */ |
| |
| /* definitions for working with the port list structure */ |
| #define PORTLIST_TYPE_CPU 0 |
| #define PORTLIST_TYPE_IO 1 |
| |
| /* |
| * Hypertransport Capability definitions and macros |
| * |
| */ |
| |
| /* HT Host Capability */ |
| /* bool isHTHostCapability(u32 reg) */ |
| #define IS_HT_HOST_CAPABILITY(reg) \ |
| ((reg & (u32)0xE00000FF) == (u32)0x20000008) |
| |
| #define HT_HOST_CAP_SIZE 0x20 |
| |
| /* Host CapabilityRegisters */ |
| #define HTHOST_LINK_CAPABILITY_REG 0x00 |
| #define HTHOST_LINK_CONTROL_REG 0x04 |
| #define HTHOST_FREQ_REV_REG 0x08 |
| #define HTHOST_FREQ_REV_REG_2 0x1c |
| #define HT_HOST_REV_REV3 0x60 |
| #define HTHOST_FEATURE_CAP_REG 0x0C |
| #define HTHOST_BUFFER_COUNT_REG 0x10 |
| #define HTHOST_ISOC_REG 0x14 |
| #define HTHOST_LINK_TYPE_REG 0x18 |
| #define HTHOST_TYPE_COHERENT 3 |
| #define HTHOST_TYPE_NONCOHERENT 7 |
| #define HTHOST_TYPE_MASK 0x1F |
| |
| /* HT Slave Capability (HT1 compat) */ |
| #define IS_HT_SLAVE_CAPABILITY(reg) \ |
| ((reg & (u32)0xE00000FF) == (u32)0x00000008) |
| #define HTSLAVE_LINK01_OFFSET 4 |
| #define HTSLAVE_LINK_CONTROL_0_REG 4 |
| #define HTSLAVE_FREQ_REV_0_REG 0xC |
| #define HTSLAVE_FEATURE_CAP_REG 0x10 |
| |
| /* HT3 gen Capability */ |
| #define IS_HT_GEN3_CAPABILITY(reg) \ |
| ((reg & (u32)0xF80000FF) == (u32)0xD0000008) |
| #define HTGEN3_LINK01_OFFSET 0x10 |
| #define HTGEN3_LINK_TRAINING_0_REG 0x10 |
| |
| /* HT3 Retry Capability */ |
| #define IS_HT_RETRY_CAPABILITY(reg) \ |
| ((reg & (u32)0xF80000FF) == (u32)0xC0000008) |
| |
| #define HTRETRY_CONTROL_REG 4 |
| |
| /* Unit ID Clumping Capability */ |
| #define IS_HT_UNITID_CAPABILITY(reg) \ |
| ((reg & (u32)0xF80000FF) == (u32)0x90000008) |
| |
| #define HTUNIT_SUPPORT_REG 4 |
| #define HTUNIT_ENABLE_REG 8 |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS, STRUCTURES, ENUMS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| typedef struct cNorthBridge cNorthBridge; |
| |
| /* A pair consists of a source node, a link to the destination node, the |
| * destination node, and its link back to source node. The even indices are |
| * the source nodes and links, and the odd indices are for the destination |
| * nodes and links. |
| */ |
| typedef struct |
| { |
| /* This section is where the link is in the system and how to find it */ |
| u8 Type; /* 0 = CPU, 1 = Device, all others reserved */ |
| u8 Link; /* 0-1 for devices, 0-7 for CPUs */ |
| u8 NodeID; /* The node, or a pointer to the devices parent node */ |
| u8 HostLink, HostDepth; /* Link of parent node + depth in chain. Only used by devices */ |
| SBDFO Pointer; /* A pointer to the device's slave HT capability, so we don't have to keep searching */ |
| |
| /* This section is for the final settings, which are written to hardware */ |
| BOOL SelRegang; /* Only used for CPU->CPU links */ |
| u8 SelWidthIn; |
| u8 SelWidthOut; |
| u8 SelFrequency; |
| uint8_t enable_isochronous_mode; |
| |
| /* This section is for keeping track of capabilities and possible configurations */ |
| BOOL RegangCap; |
| uint32_t PrvFrequencyCap; |
| uint32_t PrvFeatureCap; |
| u8 PrvWidthInCap; |
| u8 PrvWidthOutCap; |
| uint32_t CompositeFrequencyCap; |
| |
| } sPortDescriptor; |
| |
| |
| /* |
| * Our global state data structure |
| */ |
| typedef struct { |
| AMD_HTBLOCK *HtBlock; |
| |
| u8 NodesDiscovered; /* One less than the number of nodes found in the system */ |
| u8 TotalLinks; |
| u8 sysMpCap; /* The maximum number of nodes that all processors are capable of */ |
| |
| /* Two ports for each link |
| * Note: The Port pair 2*N and 2*N+1 are connected together to form a link |
| * (e.g. 0,1 and 8,9 are ports on either end of an HT link) The lower number |
| * port (2*N) is the source port. The device that owns the source port is |
| * always the device closer to the BSP. (i.e. nearer the CPU in a |
| * non-coherent chain, or the CPU with the lower NodeID). |
| */ |
| sPortDescriptor PortList[MAX_PLATFORM_LINKS*2]; |
| |
| /* The number of coherent links coming off of each node (i.e. the 'Degree' of the node) */ |
| u8 sysDegree[MAX_NODES]; |
| /* The systems adjency (sysMatrix[i][j] is true if Node_i has a link to Node_j) */ |
| BOOL sysMatrix[MAX_NODES][MAX_NODES]; |
| |
| /* Same as above, but for the currently selected database entry */ |
| u8 dbDegree[MAX_NODES]; |
| BOOL dbMatrix[MAX_NODES][MAX_NODES]; |
| |
| u8 Perm[MAX_NODES]; /* The node mapping from the database to the system */ |
| u8 ReversePerm[MAX_NODES]; /* The node mapping from the system to the database */ |
| |
| /* Data for non-coherent initialization */ |
| u8 AutoBusCurrent; |
| u8 UsedCfgMapEntires; |
| |
| /* 'This' pointer for northbridge */ |
| cNorthBridge *nb; |
| } sMainData; |
| |
| #endif /* H3FFEAT_H */ |