diff options
Diffstat (limited to 'include/asm-x86/rio.h')
| -rw-r--r-- | include/asm-x86/rio.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/asm-x86/rio.h b/include/asm-x86/rio.h new file mode 100644 index 000000000000..c7350f6d2015 --- /dev/null +++ b/include/asm-x86/rio.h | |||
| @@ -0,0 +1,74 @@ | |||
| 1 | /* | ||
| 2 | * Derived from include/asm-i386/mach-summit/mach_mpparse.h | ||
| 3 | * and include/asm-i386/mach-default/bios_ebda.h | ||
| 4 | * | ||
| 5 | * Author: Laurent Vivier <Laurent.Vivier@bull.net> | ||
| 6 | */ | ||
| 7 | |||
| 8 | #ifndef __ASM_RIO_H | ||
| 9 | #define __ASM_RIO_H | ||
| 10 | |||
| 11 | #define RIO_TABLE_VERSION 3 | ||
| 12 | |||
| 13 | struct rio_table_hdr { | ||
| 14 | u8 version; /* Version number of this data structure */ | ||
| 15 | u8 num_scal_dev; /* # of Scalability devices */ | ||
| 16 | u8 num_rio_dev; /* # of RIO I/O devices */ | ||
| 17 | } __attribute__((packed)); | ||
| 18 | |||
| 19 | struct scal_detail { | ||
| 20 | u8 node_id; /* Scalability Node ID */ | ||
| 21 | u32 CBAR; /* Address of 1MB register space */ | ||
| 22 | u8 port0node; /* Node ID port connected to: 0xFF=None */ | ||
| 23 | u8 port0port; /* Port num port connected to: 0,1,2, or */ | ||
| 24 | /* 0xFF=None */ | ||
| 25 | u8 port1node; /* Node ID port connected to: 0xFF = None */ | ||
| 26 | u8 port1port; /* Port num port connected to: 0,1,2, or */ | ||
| 27 | /* 0xFF=None */ | ||
| 28 | u8 port2node; /* Node ID port connected to: 0xFF = None */ | ||
| 29 | u8 port2port; /* Port num port connected to: 0,1,2, or */ | ||
| 30 | /* 0xFF=None */ | ||
| 31 | u8 chassis_num; /* 1 based Chassis number (1 = boot node) */ | ||
| 32 | } __attribute__((packed)); | ||
| 33 | |||
| 34 | struct rio_detail { | ||
| 35 | u8 node_id; /* RIO Node ID */ | ||
| 36 | u32 BBAR; /* Address of 1MB register space */ | ||
| 37 | u8 type; /* Type of device */ | ||
| 38 | u8 owner_id; /* Node ID of Hurricane that owns this */ | ||
| 39 | /* node */ | ||
| 40 | u8 port0node; /* Node ID port connected to: 0xFF=None */ | ||
| 41 | u8 port0port; /* Port num port connected to: 0,1,2, or */ | ||
| 42 | /* 0xFF=None */ | ||
| 43 | u8 port1node; /* Node ID port connected to: 0xFF=None */ | ||
| 44 | u8 port1port; /* Port num port connected to: 0,1,2, or */ | ||
| 45 | /* 0xFF=None */ | ||
| 46 | u8 first_slot; /* Lowest slot number below this Calgary */ | ||
| 47 | u8 status; /* Bit 0 = 1 : the XAPIC is used */ | ||
| 48 | /* = 0 : the XAPIC is not used, ie: */ | ||
| 49 | /* ints fwded to another XAPIC */ | ||
| 50 | /* Bits1:7 Reserved */ | ||
| 51 | u8 WP_index; /* instance index - lower ones have */ | ||
| 52 | /* lower slot numbers/PCI bus numbers */ | ||
| 53 | u8 chassis_num; /* 1 based Chassis number */ | ||
| 54 | } __attribute__((packed)); | ||
| 55 | |||
| 56 | enum { | ||
| 57 | HURR_SCALABILTY = 0, /* Hurricane Scalability info */ | ||
| 58 | HURR_RIOIB = 2, /* Hurricane RIOIB info */ | ||
| 59 | COMPAT_CALGARY = 4, /* Compatibility Calgary */ | ||
| 60 | ALT_CALGARY = 5, /* Second Planar Calgary */ | ||
| 61 | }; | ||
| 62 | |||
| 63 | /* | ||
| 64 | * there is a real-mode segmented pointer pointing to the | ||
| 65 | * 4K EBDA area at 0x40E. | ||
| 66 | */ | ||
| 67 | static inline unsigned long get_bios_ebda(void) | ||
| 68 | { | ||
| 69 | unsigned long address = *(unsigned short *)phys_to_virt(0x40EUL); | ||
| 70 | address <<= 4; | ||
| 71 | return address; | ||
| 72 | } | ||
| 73 | |||
| 74 | #endif /* __ASM_RIO_H */ | ||