Laurent Vivier | b34e90b | 2006-12-07 02:14:06 +0100 | [diff] [blame^] | 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 | |
| 9 | #ifndef __ASM_RIO_H |
| 10 | #define __ASM_RIO_H |
| 11 | |
| 12 | #define RIO_TABLE_VERSION 3 |
| 13 | |
| 14 | struct rio_table_hdr { |
| 15 | u8 version; /* Version number of this data structure */ |
| 16 | u8 num_scal_dev; /* # of Scalability devices */ |
| 17 | u8 num_rio_dev; /* # of RIO I/O devices */ |
| 18 | } __attribute__((packed)); |
| 19 | |
| 20 | struct scal_detail { |
| 21 | u8 node_id; /* Scalability Node ID */ |
| 22 | u32 CBAR; /* Address of 1MB register space */ |
| 23 | u8 port0node; /* Node ID port connected to: 0xFF=None */ |
| 24 | u8 port0port; /* Port num port connected to: 0,1,2, or */ |
| 25 | /* 0xFF=None */ |
| 26 | u8 port1node; /* Node ID port connected to: 0xFF = None */ |
| 27 | u8 port1port; /* Port num port connected to: 0,1,2, or */ |
| 28 | /* 0xFF=None */ |
| 29 | u8 port2node; /* Node ID port connected to: 0xFF = None */ |
| 30 | u8 port2port; /* Port num port connected to: 0,1,2, or */ |
| 31 | /* 0xFF=None */ |
| 32 | u8 chassis_num; /* 1 based Chassis number (1 = boot node) */ |
| 33 | } __attribute__((packed)); |
| 34 | |
| 35 | struct rio_detail { |
| 36 | u8 node_id; /* RIO Node ID */ |
| 37 | u32 BBAR; /* Address of 1MB register space */ |
| 38 | u8 type; /* Type of device */ |
| 39 | u8 owner_id; /* Node ID of Hurricane that owns this */ |
| 40 | /* node */ |
| 41 | u8 port0node; /* Node ID port connected to: 0xFF=None */ |
| 42 | u8 port0port; /* Port num port connected to: 0,1,2, or */ |
| 43 | /* 0xFF=None */ |
| 44 | u8 port1node; /* Node ID port connected to: 0xFF=None */ |
| 45 | u8 port1port; /* Port num port connected to: 0,1,2, or */ |
| 46 | /* 0xFF=None */ |
| 47 | u8 first_slot; /* Lowest slot number below this Calgary */ |
| 48 | u8 status; /* Bit 0 = 1 : the XAPIC is used */ |
| 49 | /* = 0 : the XAPIC is not used, ie: */ |
| 50 | /* ints fwded to another XAPIC */ |
| 51 | /* Bits1:7 Reserved */ |
| 52 | u8 WP_index; /* instance index - lower ones have */ |
| 53 | /* lower slot numbers/PCI bus numbers */ |
| 54 | u8 chassis_num; /* 1 based Chassis number */ |
| 55 | } __attribute__((packed)); |
| 56 | |
| 57 | enum { |
| 58 | HURR_SCALABILTY = 0, /* Hurricane Scalability info */ |
| 59 | HURR_RIOIB = 2, /* Hurricane RIOIB info */ |
| 60 | COMPAT_CALGARY = 4, /* Compatibility Calgary */ |
| 61 | ALT_CALGARY = 5, /* Second Planar Calgary */ |
| 62 | }; |
| 63 | |
| 64 | /* |
| 65 | * there is a real-mode segmented pointer pointing to the |
| 66 | * 4K EBDA area at 0x40E. |
| 67 | */ |
| 68 | |
| 69 | static inline unsigned long get_bios_ebda(void) |
| 70 | { |
| 71 | unsigned long address= *(unsigned short *)phys_to_virt(0x40Eul); |
| 72 | address <<= 4; |
| 73 | return address; |
| 74 | } |
| 75 | |
| 76 | #endif /* __ASM_RIO_H */ |