[PATCH] Add Hypertransport capability defines (e78d0169) · Commits · 戴 / test

arch/powerpc/sysdev/mpic.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -341,7 +341,7 @@ static void __init mpic_scan_ht_pic(struct mpic mpic, u8 __iomem devbase,
	u8 id = readb(devbase + pos + PCI_CAP_LIST_ID);		u8 id = readb(devbase + pos + PCI_CAP_LIST_ID);
	if (id == PCI_CAP_ID_HT) {		if (id == PCI_CAP_ID_HT) {
	id = readb(devbase + pos + 3);		id = readb(devbase + pos + 3);
	if (id == 0x80)		if (id == HT_CAPTYPE_IRQ)
	break;		break;
	}		}
	}		}

include/linux/pci_regs.h

+21 −0

Original line number	Original line	Diff line number	Diff line
	@@ -12,6 +12,11 @@
	* PCI Local Bus Specification		* PCI Local Bus Specification
	* PCI to PCI Bridge Specification		* PCI to PCI Bridge Specification
	* PCI System Design Guide		* PCI System Design Guide
			*
			* For hypertransport information, please consult the following manuals
			* from http://www.hypertransport.org
			*
			* The Hypertransport I/O Link Specification
	*/		*/

	#ifndef LINUX_PCI_REGS_H		#ifndef LINUX_PCI_REGS_H
	@@ -463,4 +468,20 @@
	#define PCI_PWR_CAP 12 /* Capability */		#define PCI_PWR_CAP 12 /* Capability */
	#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */		#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */

			/* Hypertransport sub capability types */
			#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
			#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link configuration */
			#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
			#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
			#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
			#define HT_CAPTYPE_UNITID_CLUMP 0x90 /* Unit ID clumping */
			#define HT_CAPTYPE_EXTCONF 0x98 /* Extended Configuration Space Access */
			#define HT_CAPTYPE_MSI_MAPPING 0xA8 /* MSI Mapping Capability */
			#define HT_CAPTYPE_DIRECT_ROUTE 0xB0 /* Direct routing configuration */
			#define HT_CAPTYPE_VCSET 0xB8 /* Virtual Channel configuration */
			#define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */
			#define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport configuration */
			#define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement configuration */


	#endif /* LINUX_PCI_REGS_H */		#endif /* LINUX_PCI_REGS_H */

Admin message