| /* |
| * Derived from include/asm-x86/mach-summit/mach_mpparse.h |
| * and include/asm-x86/mach-default/bios_ebda.h |
| * |
| * Author: Laurent Vivier <Laurent.Vivier@bull.net> |
| */ |
| |
| #ifndef __ASM_RIO_H |
| #define __ASM_RIO_H |
| |
| #define RIO_TABLE_VERSION 3 |
| |
| struct rio_table_hdr { |
| u8 version; /* Version number of this data structure */ |
| u8 num_scal_dev; /* # of Scalability devices */ |
| u8 num_rio_dev; /* # of RIO I/O devices */ |
| } __attribute__((packed)); |
| |
| struct scal_detail { |
| u8 node_id; /* Scalability Node ID */ |
| u32 CBAR; /* Address of 1MB register space */ |
| u8 port0node; /* Node ID port connected to: 0xFF=None */ |
| u8 port0port; /* Port num port connected to: 0,1,2, or */ |
| /* 0xFF=None */ |
| u8 port1node; /* Node ID port connected to: 0xFF = None */ |
| u8 port1port; /* Port num port connected to: 0,1,2, or */ |
| /* 0xFF=None */ |
| u8 port2node; /* Node ID port connected to: 0xFF = None */ |
| u8 port2port; /* Port num port connected to: 0,1,2, or */ |
| /* 0xFF=None */ |
| u8 chassis_num; /* 1 based Chassis number (1 = boot node) */ |
| } __attribute__((packed)); |
| |
| struct rio_detail { |
| u8 node_id; /* RIO Node ID */ |
| u32 BBAR; /* Address of 1MB register space */ |
| u8 type; /* Type of device */ |
| u8 owner_id; /* Node ID of Hurricane that owns this */ |
| /* node */ |
| u8 port0node; /* Node ID port connected to: 0xFF=None */ |
| u8 port0port; /* Port num port connected to: 0,1,2, or */ |
| /* 0xFF=None */ |
| u8 port1node; /* Node ID port connected to: 0xFF=None */ |
| u8 port1port; /* Port num port connected to: 0,1,2, or */ |
| /* 0xFF=None */ |
| u8 first_slot; /* Lowest slot number below this Calgary */ |
| u8 status; /* Bit 0 = 1 : the XAPIC is used */ |
| /* = 0 : the XAPIC is not used, ie: */ |
| /* ints fwded to another XAPIC */ |
| /* Bits1:7 Reserved */ |
| u8 WP_index; /* instance index - lower ones have */ |
| /* lower slot numbers/PCI bus numbers */ |
| u8 chassis_num; /* 1 based Chassis number */ |
| } __attribute__((packed)); |
| |
| enum { |
| HURR_SCALABILTY = 0, /* Hurricane Scalability info */ |
| HURR_RIOIB = 2, /* Hurricane RIOIB info */ |
| COMPAT_CALGARY = 4, /* Compatibility Calgary */ |
| ALT_CALGARY = 5, /* Second Planar Calgary */ |
| }; |
| |
| /* |
| * there is a real-mode segmented pointer pointing to the |
| * 4K EBDA area at 0x40E. |
| */ |
| static inline unsigned long get_bios_ebda(void) |
| { |
| unsigned long address = *(unsigned short *)phys_to_virt(0x40EUL); |
| address <<= 4; |
| return address; |
| } |
| |
| #endif /* __ASM_RIO_H */ |