Add support for traditional (non-ULT) Broadwell. Change-Id: Ibe0ed9badd580e28060fe8df14a01352d4c1e11e Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/68186 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
		
			
				
	
	
		
			596 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			596 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* inteltool - dump all registers on an Intel CPU + chipset based system */
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| /* SPDX-License-Identifier: GPL-2.0-only */
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| 
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <inttypes.h>
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| #include "inteltool.h"
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| 
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| /* 320766 */
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| static const io_register_t nehalem_dmi_registers[] = {
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| 	{ 0x00, 4, "DMIVCH" },		// DMI Virtual Channel Capability Header
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| 	{ 0x04, 4, "DMIVCCAP1" },	// DMI Port VC Capability Register 1
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| 	{ 0x08, 4, "DMIVCCAP2" },	// DMI Port VC Capability Register 2
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| 	{ 0x0C, 4, "DMIVCCTL" },	// DMI Port VC Control
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| 	{ 0x10, 4, "DMIVC0RCAP" },	// DMI VC0 Resource Capability
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| 	{ 0x14, 4, "DMIVC0RCTL" },	// DMI VC0 Resource Control
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| /*	{ 0x18, 2, "RSVD" }, // Reserved */
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| 	{ 0x1A, 2, "DMIVC0RSTS" },	// DMI VC0 Resource Status
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| 	{ 0x1C, 4, "DMIVC1RCAP" },	// DMI VC1 Resource Capability
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| 	{ 0x20, 4, "DMIVC1RCTL" },	// DMI VC1 Resource Control
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| /*	{ 0x24, 2, "RSVD" }, // Reserved */
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| 	{ 0x26, 2, "DMIVC1RSTS" },	// DMI VC1 Resource Status
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| /*	... - Reserved */
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| 	{ 0x84, 4, "DMILCAP" },		// DMI Link Capabilities
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| 	{ 0x88, 2, "DMILCTL" },		// DMI Link Control
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| 	{ 0x8A, 2, "DMILSTS" },		// DMI Link Status
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| /*	... - Reserved */
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| };
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| 
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| /* 322812 */
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| static const io_register_t westmere_dmi_registers[] = {
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| 	{ 0x00, 4, "DMIVCECH" },	// DMI Virtual Channel Enhanced Capability
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| 	{ 0x04, 4, "DMIPVCCAP1" },	// DMI Port VC Capability Register 1
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| 	{ 0x08, 4, "DMIPVCCAP2" },	// DMI Port VC Capability Register 2
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| 	{ 0x0C, 2, "DMIPVCCTL" },	// DMI Port VC Control
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| /*	{ 0x0E, 2, "RSVD" }, // Reserved */
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| 	{ 0x10, 4, "DMIVC0RCAP" },	// DMI VC0 Resource Capability
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| 	{ 0x14, 4, "DMIVC0RCTL" },	// DMI VC0 Resource Control
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| /*	{ 0x18, 2, "RSVD" }, // Reserved */
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| 	{ 0x1A, 2, "DMIVC0RSTS" },	// DMI VC0 Resource Status
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| 	{ 0x1C, 4, "DMIVC1RCAP" },	// DMI VC1 Resource Capability
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| 	{ 0x20, 4, "DMIVC1RCTL1" },	// DMI VC1 Resource Control
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| /*	{ 0x24, 2, "RSVD" },	// Reserved */
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| 	{ 0x26, 2, "DMIC1RSTS" },	// DMI VC1 Resource Status
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| /*	... - Reserved */
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| 	{ 0x84, 4, "DMILCAP" },		// DMI Link Capabilities
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| 	{ 0x88, 2, "DMILCTL" },		// DMI Link Control
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| 	{ 0x8A, 2, "DMILSTS" },		// DMI Link Status
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| /*	... - Reserved */
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| };
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| 
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| static const io_register_t sandybridge_dmi_registers[] = {
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| 	{ 0x00, 4, "DMI VCECH" }, // DMI Virtual Channel Enhanced Capability
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| 	{ 0x04, 4, "DMI PVCCAP1" }, // DMI Port VC Capability Register 1
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| 	{ 0x08, 4, "DMI PVVAP2" }, // DMI Port VC Capability Register 2
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| 	{ 0x0C, 2, "DMI PVCCTL" }, // DMI Port VC Control
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| /*	{ 0x0E, 2, "RSVD" }, // Reserved */
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| 	{ 0x10, 4, "DMI VC0RCAP" }, // DMI VC0 Resource Capability
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| 	{ 0x14, 4, "DMI VC0RCTL" }, // DMI VC0 Resource Control
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| /*	{ 0x18, 2, "RSVD" }, // Reserved */
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| 	{ 0x1A, 2, "DMI VC0RSTS" }, // DMI VC0 Resource Status
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| 	{ 0x1C, 4, "DMI VC1RCAP" }, // DMI VC1 Resource Capability
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| 	{ 0x20, 4, "DMI VC1RCTL" }, // DMI VC1 Resource Control
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| /*	{ 0x24, 2, "RSVD" }, // Reserved */
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| 	{ 0x26, 2, "DMI VC1RSTS" }, // DMI VC1 Resource Status
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| 	{ 0x28, 4, "DMI VCPRCAP" }, // DMI VCp Resource Capability
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| 	{ 0x2C, 4, "DMI VCPRCTL" }, // DMI VCp Resource Control
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| /*	{ 0x30, 2, "RSVD" }, // Reserved */
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| 	{ 0x32, 2, "DMI VCPRSTS" }, // DMI VCp Resource Status
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| 	{ 0x34, 4, "DMI VCMRCAP" }, // DMI VCm Resource Capability
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| 	{ 0x38, 4, "DMI VCMRCTL" }, // DMI VCm Resource Control
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| /*	{ 0x3C, 2, "RSVD" }, // Reserved */
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| 	{ 0x3E, 2, "DMI VCMRSTS" }, // DMI VCm Resource Status
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| /*	{ 0x40, 4, "RSVD" }, // Reserved */
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| 	{ 0x44, 4, "DMI ESC" }, // DMI Element Self Description
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| /*	{ 0x48, 8, "RSVD" }, // Reserved */
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| 	{ 0x50, 4, "DMI LE1D" }, // DMI Link Entry 1 Description
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| /*	{ 0x54, 4, "RSVD" }, // Reserved */
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| 	{ 0x58, 4, "DMI LE1A" }, // DMI Link Entry 1 Address
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| 	{ 0x5C, 4, "DMI LUE1A" }, // DMI Link Upper Entry 1 Address
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| 	{ 0x60, 4, "DMI LE2D" }, // DMI Link Entry 2 Description
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| /*	{ 0x64, 4, "RSVD" }, // Reserved */
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| 	{ 0x68, 4, "DMI LE2A" }, // DMI Link Entry 2 Address
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| /*	{ 0x6C, 4, "RSVD" }, // Reserved
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| 	{ 0x70, 8, "RSVD" }, // Reserved
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| 	{ 0x78, 8, "RSVD" }, // Reserved
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| 	{ 0x80, 4, "RSVD" }, // Reserved */
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| 	{ 0x84, 4, "LCAP" }, // Link Capabilities
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| 	{ 0x88, 2, "LCTL" }, // Link Control
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| 	{ 0x8A, 2, "LSTS" }, // Link Status
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| /*	{ 0x8C, 4, "RSVD" }, // Reserved
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| 	{ 0x90, 4, "RSVD" }, // Reserved
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| 	{ 0x94, 4, "RSVD" }, // Reserved */
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| 	{ 0x98, 2, "LCTL2" }, // Link Control 2
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| 	{ 0x9A, 2, "LSTS2" }, // Link Status 2
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| /*	... - Reserved */
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| 	{ 0xBC0, 4, "AFE_BMUF0" }, // AFE BMU Configuration Function 0
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| 	{ 0xBC4, 4, "RSVD" }, // Reserved
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| 	{ 0xBC8, 4, "RSVD" }, // Reserved
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| 	{ 0xBCC, 4, "AFE_BMUT0" }, // AFE BMU Configuration Test 0
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| /*	... - Reserved */
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| };
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| 
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| /*
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|  * All Haswell DMI Registers per
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|  *
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|  * Mobile 4th Generation Intel Core TM Processor Family, Mobile Intel Pentium Processor Family,
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|  * and Mobile Intel Celeron Processor Family
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|  * Datasheet Volume 2
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|  * 329002-002
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|  */
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| static const io_register_t haswell_ult_dmi_registers[] = {
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| 	{ 0x00, 4, "DMIVCECH" }, // DMI Virtual Channel Enhanced Capability
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| 	{ 0x04, 4, "DMIPVCCAP1" }, // DMI Port VC Capability Register 1
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| 	{ 0x08, 4, "DMIPVCCAP2" }, // DMI Port VC Capability Register 2
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| 	{ 0x0C, 2, "DMI PVCCTL" }, // DMI Port VC Control
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| /*	{ 0x0E, 2, "RSVD" }, // Reserved */
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| 	{ 0x10, 4, "DMIVC0RCAP" }, // DMI VC0 Resource Capability
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| 	{ 0x14, 4, "DMIVC0RCTL" }, // DMI VC0 Resource Control
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| /*	{ 0x18, 2, "RSVD" }, // Reserved */
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| 	{ 0x1A, 2, "DMIVC0RSTS" }, // DMI VC0 Resource Status
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| 	{ 0x1C, 4, "DMIVC1RCAP" }, // DMI VC1 Resource Capability
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| 	{ 0x20, 4, "DMIVC1RCTL" }, // DMI VC1 Resource Control
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| /*	{ 0x24, 2, "RSVD" }, // Reserved */
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| 	{ 0x26, 2, "DMIVC1RSTS" }, // DMI VC1 Resource Status
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| 	{ 0x28, 4, "DMIVCPRCAP" }, // DMI VCp Resource Capability
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| 	{ 0x2C, 4, "DMIVCPRCTL" }, // DMI VCp Resource Control
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| /*	{ 0x30, 2, "RSVD" }, // Reserved */
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| 	{ 0x32, 2, "DMIVCPRSTS" }, // DMI VCp Resource Status
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| 	{ 0x34, 4, "DMIVCMRCAP" }, // DMI VCm Resource Capability
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| 	{ 0x38, 4, "DMIVCMRCTL" }, // DMI VCm Resource Control
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| /*	{ 0x3C, 2, "RSVD" }, // Reserved */
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| 	{ 0x3E, 2, "DMIVCMRSTS" }, // DMI VCm Resource Status
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| 	{ 0x40, 4, "DMIRCLDECH" }, // DMI Root Complex Link Declaration */
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| 	{ 0x44, 4, "DMIESD" }, // DMI Element Self Description
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| /*	{ 0x48, 4, "RSVD" }, // Reserved */
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| /*	{ 0x4C, 4, "RSVD" }, // Reserved */
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| 	{ 0x50, 4, "DMILE1D" }, // DMI Link Entry 1 Description
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| /*	{ 0x54, 4, "RSVD" }, // Reserved */
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| 	{ 0x58, 4, "DMILE1A" }, // DMI Link Entry 1 Address
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| 	{ 0x5C, 4, "DMILUE1A" }, // DMI Link Upper Entry 1 Address
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| 	{ 0x60, 4, "DMILE2D" }, // DMI Link Entry 2 Description
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| /*	{ 0x64, 4, "RSVD" }, // Reserved */
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| 	{ 0x68, 4, "DMILE2A" }, // DMI Link Entry 2 Address
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| /*	{ 0x6C, 4, "RSVD" }, // Reserved */
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| /*	{ 0x70, 4, "RSVD" }, // Reserved */
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| /*	{ 0x74, 4, "RSVD" }, // Reserved */
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| /*	{ 0x78, 4, "RSVD" }, // Reserved */
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| /*	{ 0x7C, 4, "RSVD" }, // Reserved */
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| /*	{ 0x80, 4, "RSVD" }, // Reserved */
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| /*	{ 0x84, 4, "RSVD" }, // Reserved */
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| 	{ 0x88, 2, "LCTL" }, // Link Control
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| 	/*  ... - Reserved */
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| 	{ 0x1C4, 4, "DMIUESTS" }, // DMI Uncorrectable Error Status
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| 	{ 0x1C8, 4, "DMIUEMSK" }, // DMI Uncorrectable Error Mask
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| 	{ 0x1D0, 4, "DMICESTS" }, // DMI Correctable Error Status
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| 	{ 0x1D4, 4, "DMICEMSK" }, // DMI Correctable Error Mask
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| /*  ... - Reserved */
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| };
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| 
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| /*
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|  * All Skylake-S/H DMI Registers per
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|  *
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|  * 6th Generation Intel Processor Families for S-Platform Volume 2 of 2
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|  * Page 117
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|  * 332688-003E
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|  *
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|  * 6th Generation Intel Processor Families for H-Platform Volume 2 of 2
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|  * Page 117
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|  * 332987-002EN
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|  */
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| static const io_register_t skylake_dmi_registers[] = {
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| 	{ 0x00, 4, "DMIVCECH"   }, // DMI Virtual Channel Enhanced Capability
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| 	{ 0x04, 4, "DMIPVCCAP1" }, // DMI Port VC Capability Register 1
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| 	{ 0x08, 4, "DMIPVCCAP2" }, // DMI Port VC Capability Register 2
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| 	{ 0x0C, 2, "DMIPVCCTL"  }, // DMI Port VC Control
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| 	{ 0x10, 4, "DMIVC0RCAP" }, // DMI VC0 Resource Capability
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| 	{ 0x14, 4, "DMIVC0RCTL" }, // DMI VC0 Resource Control
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| 	{ 0x1A, 2, "DMIVC0RSTS" }, // DMI VC0 Resource Status
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| 	{ 0x1C, 4, "DMIVC1RCAP" }, // DMI VC1 Resource Capability
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| 	{ 0x20, 4, "DMIVC1RCTL" }, // DMI VC1 Resource Control
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| 	{ 0x26, 2, "DMIVC1RSTS" }, // DMI VC1 Resource Status
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| 	{ 0x34, 4, "DMIVCMRCAP" }, // DMI VCm Resource Capability
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| 	{ 0x38, 4, "DMIVCMRCTL" }, // DMI VCm Resource Control
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| 	{ 0x3E, 2, "DMIVCMRSTS" }, // DMI VCm Resource Status
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| 	{ 0x40, 4, "DMIRCLDECH" }, // DMI Root Complex Link Declaration */
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| 	{ 0x44, 4, "DMIESD"     }, // DMI Element Self Description
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| 	{ 0x50, 4, "DMILE1D"    }, // DMI Link Entry 1 Description
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| 	{ 0x58, 4, "DMILE1A"    }, // DMI Link Entry 1 Address
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| 	{ 0x5C, 4, "DMILUE1A"   }, // DMI Link Upper Entry 1 Address
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| 	{ 0x60, 4, "DMILE2D"    }, // DMI Link Entry 2 Description
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| 	{ 0x68, 4, "DMILE2A"    }, // DMI Link Entry 2 Address
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| 	{ 0x84, 4, "LCAP"       }, // Link Capabilities
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| 	{ 0x88, 2, "LCTL"       }, // Link Control
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| 	{ 0x8A, 2, "LSTS"       }, // DMI Link Status
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| 	{ 0x98, 2, "LCTL2"      }, // Link Control 2
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| 	{ 0x9A, 2, "LSTS2"      }, // DMI Link Status 2
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| 	{ 0x1C4, 4, "DMIUESTS"  }, // DMI Uncorrectable Error Status
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| 	{ 0x1C8, 4, "DMIUEMSK"  }, // DMI Uncorrectable Error Mask
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| 	{ 0x1CC, 4, "DMIUESEV"  }, // DMI Uncorrectable Error Mask
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| 	{ 0x1D0, 4, "DMICESTS"  }, // DMI Correctable Error Status
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| 	{ 0x1D4, 4, "DMICEMSK"  }, // DMI Correctable Error Mask
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| };
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| 
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| 
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| /*
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|  * Egress Port Root Complex MMIO configuration space
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|  */
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| int print_epbar(struct pci_dev *nb)
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| {
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| 	int i, size = (4 * 1024);
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| 	volatile uint8_t *epbar;
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| 	uint64_t epbar_phys;
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| 
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| 	printf("\n============= EPBAR =============\n\n");
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| 
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| 	switch (nb->device_id) {
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| 	case PCI_DEVICE_ID_INTEL_82915:
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| 	case PCI_DEVICE_ID_INTEL_82945GM:
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| 	case PCI_DEVICE_ID_INTEL_82945GSE:
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| 	case PCI_DEVICE_ID_INTEL_82945P:
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| 	case PCI_DEVICE_ID_INTEL_82946:
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| 	case PCI_DEVICE_ID_INTEL_82975X:
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| 		epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_82965PM:
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| 	case PCI_DEVICE_ID_INTEL_82Q965:
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| 	case PCI_DEVICE_ID_INTEL_82Q35:
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| 	case PCI_DEVICE_ID_INTEL_82G33:
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| 	case PCI_DEVICE_ID_INTEL_82Q33:
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| 	case PCI_DEVICE_ID_INTEL_82X38:
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| 	case PCI_DEVICE_ID_INTEL_32X0:
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| 	case PCI_DEVICE_ID_INTEL_82XX4X:
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| 	case PCI_DEVICE_ID_INTEL_82Q45:
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| 	case PCI_DEVICE_ID_INTEL_82G45:
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| 	case PCI_DEVICE_ID_INTEL_82G41:
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| 	case PCI_DEVICE_ID_INTEL_82B43:
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| 	case PCI_DEVICE_ID_INTEL_82B43_2:
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| 	case PCI_DEVICE_ID_INTEL_ATOM_DXXX:
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| 	case PCI_DEVICE_ID_INTEL_ATOM_NXXX:
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| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_D:
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| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_M:
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| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_E3:
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| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_D:
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| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_M:
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| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_E3:
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| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_015c:
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| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_D:
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| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_M:
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| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_E3:
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| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_U:
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| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_U:
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| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_D:
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| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_M:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D2:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_U:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_Y:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_M:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_WST:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D:
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| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_E:
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| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U:
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| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_Y:
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| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U_Q:
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| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_E3:
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| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_1:
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| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_2:
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| 		epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
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| 		epbar_phys |= ((uint64_t)pci_read_long(nb, 0x44)) << 32;
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_82810:
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| 	case PCI_DEVICE_ID_INTEL_82810_DC:
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| 	case PCI_DEVICE_ID_INTEL_82810E_DC:
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| 	case PCI_DEVICE_ID_INTEL_82830M:
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| 	case PCI_DEVICE_ID_INTEL_82865:
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| 		printf("This northbridge does not have EPBAR.\n");
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| 		return 1;
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| 	default:
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| 		printf("Error: Dumping EPBAR on this northbridge is not (yet) supported.\n");
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| 		return 1;
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| 	}
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| 
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| 	epbar = map_physical(epbar_phys, size);
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| 
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| 	if (epbar == NULL) {
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| 		perror("Error mapping EPBAR");
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| 		exit(1);
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| 	}
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| 
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| 	printf("EPBAR = 0x%08" PRIx64 " (MEM)\n\n", epbar_phys);
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| 	for (i = 0; i < size; i += 4) {
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| 		if (read32(epbar + i))
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| 			printf("0x%04x: 0x%08x\n", i, read32(epbar+i));
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| 	}
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| 
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| 	unmap_physical((void *)epbar, size);
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| 	return 0;
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| }
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| 
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| /*
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|  * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
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|  */
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| int print_dmibar(struct pci_dev *nb)
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| {
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| 	int i, size = (4 * 1024);
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| 	volatile uint8_t *dmibar;
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| 	uint64_t dmibar_phys;
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| 	const io_register_t *dmi_registers = NULL;
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| 
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| 	printf("\n============= DMIBAR ============\n\n");
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| 
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| 	switch (nb->device_id) {
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| 	case PCI_DEVICE_ID_INTEL_82915:
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| 	case PCI_DEVICE_ID_INTEL_82945GM:
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| 	case PCI_DEVICE_ID_INTEL_82945GSE:
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| 	case PCI_DEVICE_ID_INTEL_82945P:
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| 	case PCI_DEVICE_ID_INTEL_82975X:
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| 		dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_82946:
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| 	case PCI_DEVICE_ID_INTEL_82965PM:
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| 	case PCI_DEVICE_ID_INTEL_82Q965:
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| 	case PCI_DEVICE_ID_INTEL_82Q35:
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| 	case PCI_DEVICE_ID_INTEL_82G33:
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| 	case PCI_DEVICE_ID_INTEL_82Q33:
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| 	case PCI_DEVICE_ID_INTEL_82X38:
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| 	case PCI_DEVICE_ID_INTEL_32X0:
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| 	case PCI_DEVICE_ID_INTEL_82XX4X:
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| 	case PCI_DEVICE_ID_INTEL_82Q45:
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| 	case PCI_DEVICE_ID_INTEL_82G45:
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| 	case PCI_DEVICE_ID_INTEL_82G41:
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| 	case PCI_DEVICE_ID_INTEL_82B43:
 | |
| 	case PCI_DEVICE_ID_INTEL_82B43_2:
 | |
| 	case PCI_DEVICE_ID_INTEL_ATOM_DXXX:
 | |
| 	case PCI_DEVICE_ID_INTEL_ATOM_NXXX:
 | |
| 		dmibar_phys = pci_read_long(nb, 0x68) & 0xfffffffe;
 | |
| 		dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_82810:
 | |
| 	case PCI_DEVICE_ID_INTEL_82810_DC:
 | |
| 	case PCI_DEVICE_ID_INTEL_82810E_DC:
 | |
| 	case PCI_DEVICE_ID_INTEL_82865:
 | |
| 		printf("This northbridge does not have DMIBAR.\n");
 | |
| 		return 1;
 | |
| 	case PCI_DEVICE_ID_INTEL_82X58:
 | |
| 		dmibar_phys = pci_read_long(nb, 0x50) & 0xfffff000;
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_0TH_GEN:
 | |
| 		/* DMIBAR is called DMIRCBAR in Nehalem */
 | |
| 		dmibar_phys = pci_read_long(nb, 0x50) & 0xfffff000; /* 31:12 */
 | |
| 		dmi_registers = nehalem_dmi_registers;
 | |
| 		size = ARRAY_SIZE(nehalem_dmi_registers);
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_1ST_GEN:
 | |
| 		dmibar_phys = pci_read_long(nb, 0x68);
 | |
| 		dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
 | |
| 		dmibar_phys &= 0x0000000ffffff000UL; /* 35:12 */
 | |
| 		dmi_registers = westmere_dmi_registers;
 | |
| 		size = ARRAY_SIZE(westmere_dmi_registers);
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_E3:
 | |
| 		dmi_registers = sandybridge_dmi_registers;
 | |
| 		size = ARRAY_SIZE(sandybridge_dmi_registers);
 | |
| 		/* fall through */
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_D: /* pretty printing not implemented yet */
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_015c:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_M:
 | |
| 		dmibar_phys = pci_read_long(nb, 0x68);
 | |
| 		dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
 | |
| 		dmibar_phys &= 0x0000007ffffff000UL; /* 38:12 */
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_U:
 | |
| 		dmi_registers = haswell_ult_dmi_registers;
 | |
| 		size = ARRAY_SIZE(haswell_ult_dmi_registers);
 | |
| 		dmibar_phys = pci_read_long(nb, 0x68);
 | |
| 		dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
 | |
| 		dmibar_phys &= 0x0000007ffffff000UL; /* 38:12 */
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D2:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_Y:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_WST:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_E:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_Y:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U_Q:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_1:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_2:
 | |
| 		dmi_registers = skylake_dmi_registers;
 | |
| 		size = ARRAY_SIZE(skylake_dmi_registers);
 | |
| 		dmibar_phys = pci_read_long(nb, 0x68);
 | |
| 		dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
 | |
| 		dmibar_phys &= 0x0000007ffffff000UL; /* 38:12 */
 | |
| 		break;
 | |
| 	default:
 | |
| 		printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	dmibar = map_physical(dmibar_phys, size);
 | |
| 
 | |
| 	if (dmibar == NULL) {
 | |
| 		perror("Error mapping DMIBAR");
 | |
| 		exit(1);
 | |
| 	}
 | |
| 
 | |
| 	printf("DMIBAR = 0x%08" PRIx64 " (MEM)\n\n", dmibar_phys);
 | |
| 	if (dmi_registers != NULL) {
 | |
| 		for (i = 0; i < size; i++) {
 | |
| 			switch (dmi_registers[i].size) {
 | |
| 				case 4:
 | |
| 					printf("dmibase+0x%04x: 0x%08x (%s)\n",
 | |
| 						dmi_registers[i].addr,
 | |
| 						read32(dmibar+dmi_registers[i].addr),
 | |
| 						dmi_registers[i].name);
 | |
| 					break;
 | |
| 				case 2:
 | |
| 					printf("dmibase+0x%04x: 0x%04x     (%s)\n",
 | |
| 						dmi_registers[i].addr,
 | |
| 						read16(dmibar+dmi_registers[i].addr),
 | |
| 						dmi_registers[i].name);
 | |
| 					break;
 | |
| 				case 1:
 | |
| 					printf("dmibase+0x%04x: 0x%02x       (%s)\n",
 | |
| 						dmi_registers[i].addr,
 | |
| 						read8(dmibar+dmi_registers[i].addr),
 | |
| 						dmi_registers[i].name);
 | |
| 					break;
 | |
| 			}
 | |
| 		}
 | |
| 	} else {
 | |
| 		for (i = 0; i < size; i += 4) {
 | |
| 			if (read32(dmibar + i))
 | |
| 				printf("0x%04x: 0x%08x\n", i, read32(dmibar+i));
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	unmap_physical((void *)dmibar, size);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * PCIe MMIO configuration space
 | |
|  */
 | |
| int print_pciexbar(struct pci_dev *nb)
 | |
| {
 | |
| 	uint64_t pciexbar_reg;
 | |
| 	uint64_t pciexbar_phys;
 | |
| 	volatile uint8_t *pciexbar;
 | |
| 	int max_busses, devbase, i;
 | |
| 	int bus, dev, fn;
 | |
| 
 | |
| 	printf("========= PCIEXBAR ========\n\n");
 | |
| 
 | |
| 	switch (nb->device_id) {
 | |
| 	case PCI_DEVICE_ID_INTEL_82915:
 | |
| 	case PCI_DEVICE_ID_INTEL_82945GM:
 | |
| 	case PCI_DEVICE_ID_INTEL_82945GSE:
 | |
| 	case PCI_DEVICE_ID_INTEL_82945P:
 | |
| 	case PCI_DEVICE_ID_INTEL_82975X:
 | |
| 		pciexbar_reg = pci_read_long(nb, 0x48);
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_82946:
 | |
| 	case PCI_DEVICE_ID_INTEL_82965PM:
 | |
| 	case PCI_DEVICE_ID_INTEL_82Q965:
 | |
| 	case PCI_DEVICE_ID_INTEL_82Q35:
 | |
| 	case PCI_DEVICE_ID_INTEL_82G33:
 | |
| 	case PCI_DEVICE_ID_INTEL_82Q33:
 | |
| 	case PCI_DEVICE_ID_INTEL_82X38:
 | |
| 	case PCI_DEVICE_ID_INTEL_32X0:
 | |
| 	case PCI_DEVICE_ID_INTEL_82XX4X:
 | |
| 	case PCI_DEVICE_ID_INTEL_82Q45:
 | |
| 	case PCI_DEVICE_ID_INTEL_82G45:
 | |
| 	case PCI_DEVICE_ID_INTEL_82G41:
 | |
| 	case PCI_DEVICE_ID_INTEL_82B43:
 | |
| 	case PCI_DEVICE_ID_INTEL_82B43_2:
 | |
| 	case PCI_DEVICE_ID_INTEL_ATOM_DXXX:
 | |
| 	case PCI_DEVICE_ID_INTEL_ATOM_NXXX:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_2ND_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_015c:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_4TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_5TH_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D2:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_Y:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_M:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_WST:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_D:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_6TH_GEN_E:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_Y:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_U_Q:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_E3:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_1:
 | |
| 	case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_2:
 | |
| 		pciexbar_reg = pci_read_long(nb, 0x60);
 | |
| 		pciexbar_reg |= ((uint64_t)pci_read_long(nb, 0x64)) << 32;
 | |
| 		break;
 | |
| 	case PCI_DEVICE_ID_INTEL_82810:
 | |
| 	case PCI_DEVICE_ID_INTEL_82810_DC:
 | |
| 	case PCI_DEVICE_ID_INTEL_82810E_DC:
 | |
| 	case PCI_DEVICE_ID_INTEL_82865:
 | |
| 		printf("Error: This northbridge does not have PCIEXBAR.\n");
 | |
| 		return 1;
 | |
| 	default:
 | |
| 		printf("Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	if (!(pciexbar_reg & (1 << 0))) {
 | |
| 		printf("PCIEXBAR register is disabled.\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	switch ((pciexbar_reg >> 1) & 3) {
 | |
| 	case 0: // 256MB
 | |
| 		pciexbar_phys = pciexbar_reg & (0xffULL << 28);
 | |
| 		max_busses = 256;
 | |
| 		break;
 | |
| 	case 1: // 128M
 | |
| 		pciexbar_phys = pciexbar_reg & (0x1ffULL << 27);
 | |
| 		max_busses = 128;
 | |
| 		break;
 | |
| 	case 2: // 64M
 | |
| 		pciexbar_phys = pciexbar_reg & (0x3ffULL << 26);
 | |
| 		max_busses = 64;
 | |
| 		break;
 | |
| 	default: // RSVD
 | |
| 		printf("Undefined address base. Bailing out.\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	printf("PCIEXBAR: 0x%08" PRIx64 "\n", pciexbar_phys);
 | |
| 
 | |
| 	pciexbar = map_physical(pciexbar_phys, (max_busses * 1024 * 1024));
 | |
| 
 | |
| 	if (pciexbar == NULL) {
 | |
| 		perror("Error mapping PCIEXBAR");
 | |
| 		exit(1);
 | |
| 	}
 | |
| 
 | |
| 	for (bus = 0; bus < max_busses; bus++) {
 | |
| 		for (dev = 0; dev < 32; dev++) {
 | |
| 			for (fn = 0; fn < 8; fn++) {
 | |
| 				devbase = (bus * 1024 * 1024) + (dev * 32 * 1024) + (fn * 4 * 1024);
 | |
| 
 | |
| 				if (read16(pciexbar + devbase) == 0xffff)
 | |
| 					continue;
 | |
| 
 | |
| 				/* This is a heuristics. Anyone got a better check? */
 | |
| 				if( (read32(pciexbar + devbase + 256) == 0xffffffff) &&
 | |
| 					(read32(pciexbar + devbase + 512) == 0xffffffff) ) {
 | |
| #if DEBUG
 | |
| 					printf("Skipped non-PCIe device %02x:%02x.%01x\n", bus, dev, fn);
 | |
| #endif
 | |
| 					continue;
 | |
| 				}
 | |
| 
 | |
| 				printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn);
 | |
| 				for (i = 0; i < 4096; i++) {
 | |
| 					if((i % 0x10) == 0)
 | |
| 						printf("\n%04x:", i);
 | |
| 					printf(" %02x", *(pciexbar+devbase+i));
 | |
| 				}
 | |
| 				printf("\n");
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	unmap_physical((void *)pciexbar, (max_busses * 1024 * 1024));
 | |
| 
 | |
| 	return 0;
 | |
| }
 |