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Commit d195889e authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "PCI/ASPM: Add L1 substate capability structure register definitions"

parents f2843a3a be82c005
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+16 −0
Original line number Diff line number Diff line
@@ -674,6 +674,7 @@
#define PCI_EXT_CAP_ID_PMUX	0x1A	/* Protocol Multiplexing */
#define PCI_EXT_CAP_ID_PASID	0x1B	/* Process Address Space ID */
#define PCI_EXT_CAP_ID_DPC	0x1D	/* Downstream Port Containment */
#define PCI_EXT_CAP_ID_L1SS	0x1E	/* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM	0x1F	/* Precision Time Measurement */
#define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PTM

@@ -977,4 +978,19 @@
#define  PCI_PTM_CTRL_ENABLE		0x00000001  /* PTM enable */
#define  PCI_PTM_CTRL_ROOT		0x00000002  /* Root select */

/* L1 PM Substates */
#define PCI_L1SS_CAP		    4	/* capability register */
#define  PCI_L1SS_CAP_PCIPM_L1_2	 1	/* PCI PM L1.2 Support */
#define  PCI_L1SS_CAP_PCIPM_L1_1	 2	/* PCI PM L1.1 Support */
#define  PCI_L1SS_CAP_ASPM_L1_2		 4	/* ASPM L1.2 Support */
#define  PCI_L1SS_CAP_ASPM_L1_1		 8	/* ASPM L1.1 Support */
#define  PCI_L1SS_CAP_L1_PM_SS		16	/* L1 PM Substates Support */
#define PCI_L1SS_CTL1		    8	/* Control Register 1 */
#define  PCI_L1SS_CTL1_PCIPM_L1_2	1	/* PCI PM L1.2 Enable */
#define  PCI_L1SS_CTL1_PCIPM_L1_1	2	/* PCI PM L1.1 Support */
#define  PCI_L1SS_CTL1_ASPM_L1_2	4	/* ASPM L1.2 Support */
#define  PCI_L1SS_CTL1_ASPM_L1_1	8	/* ASPM L1.1 Support */
#define  PCI_L1SS_CTL1_L1SS_MASK	0x0000000F
#define PCI_L1SS_CTL2		    0xC	/* Control Register 2 */

#endif /* LINUX_PCI_REGS_H */