diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-10-04 13:16:54 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 18:55:29 +0400 |
| commit | e78d01693be38bf93dd6bb49b86e143da450de86 (patch) | |
| tree | 95fb24b9ffad0d0441118e8ea072a6af64348006 | |
| parent | cd1182f56a064d42d10e289ef4018f9c2230247d (diff) | |
| download | linux-e78d01693be38bf93dd6bb49b86e143da450de86.tar.xz | |
[PATCH] Add Hypertransport capability defines
This adds defines for the hypertransport capability subtypes and starts
using them a little.
[akpm@osdl.org: fix typo]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 2 | ||||
| -rw-r--r-- | include/linux/pci_regs.h | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 723972bb5bd9..3ee03a9a98fa 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -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); if (id == PCI_CAP_ID_HT) { id = readb(devbase + pos + 3); - if (id == 0x80) + if (id == HT_CAPTYPE_IRQ) break; } } diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 7d0e26cba420..c312a12ad2d6 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -12,6 +12,11 @@ * PCI Local Bus Specification * PCI to PCI Bridge Specification * 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 @@ -463,4 +468,20 @@ #define PCI_PWR_CAP 12 /* Capability */ #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 */ |