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 00000000000..c7350f6d201 --- /dev/null +++ b/include/asm-x86/rio.h @@ -0,0 +1,74 @@ +/* + * Derived from include/asm-i386/mach-summit/mach_mpparse.h + * and include/asm-i386/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 */ |