| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235 | #ifndef __ALPHA_MCPCIA__H__#define __ALPHA_MCPCIA__H__/* Define to experiment with fitting everything into one 128MB HAE window.   One window per bus, that is.  */#define MCPCIA_ONE_HAE_WINDOW 1#include <linux/types.h>#include <asm/compiler.h>#include <asm/mce.h>/* * MCPCIA is the internal name for a core logic chipset which provides * PCI access for the RAWHIDE family of systems. * * This file is based on: * * RAWHIDE System Programmer's Manual * 16-May-96 * Rev. 1.4 * *//*------------------------------------------------------------------------****                                                                        ****  I/O procedures                                                        ****                                                                        ****      inport[b|w|t|l], outport[b|w|t|l] 8:16:24:32 IO xfers             ****	inportbxt: 8 bits only                                            ****      inport:    alias of inportw                                       ****      outport:   alias of outportw                                      ****                                                                        ****      inmem[b|w|t|l], outmem[b|w|t|l] 8:16:24:32 ISA memory xfers       ****	inmembxt: 8 bits only                                             ****      inmem:    alias of inmemw                                         ****      outmem:   alias of outmemw                                        ****                                                                        ****------------------------------------------------------------------------*//* MCPCIA ADDRESS BIT DEFINITIONS * *  3333 3333 3322 2222 2222 1111 1111 11 *  9876 5432 1098 7654 3210 9876 5432 1098 7654 3210 *  ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- *  1                                             000 *  ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- *  |                                             |\| *  |                               Byte Enable --+ | *  |                             Transfer Length --+ *  +-- IO space, not cached * *   Byte      Transfer *   Enable    Length    Transfer  Byte    Address *   adr<6:5>  adr<4:3>  Length    Enable  Adder *   --------------------------------------------- *      00        00      Byte      1110   0x000 *      01        00      Byte      1101   0x020 *      10        00      Byte      1011   0x040 *      11        00      Byte      0111   0x060 * *      00        01      Word      1100   0x008 *      01        01      Word      1001   0x028 <= Not supported in this code. *      10        01      Word      0011   0x048 * *      00        10      Tribyte   1000   0x010 *      01        10      Tribyte   0001   0x030 * *      10        11      Longword  0000   0x058 * *      Note that byte enables are asserted low. * */#define MCPCIA_MAX_HOSES 4#define MCPCIA_MID(m)		((unsigned long)(m) << 33)/* Dodge has PCI0 and PCI1 at MID 4 and 5 respectively.    Durango adds PCI2 and PCI3 at MID 6 and 7 respectively.  */#define MCPCIA_HOSE2MID(h)	((h) + 4)#define MCPCIA_MEM_MASK 0x07ffffff /* SPARSE Mem region mask is 27 bits *//* * Memory spaces: */#define MCPCIA_SPARSE(m)	(IDENT_ADDR + 0xf000000000UL + MCPCIA_MID(m))#define MCPCIA_DENSE(m)		(IDENT_ADDR + 0xf100000000UL + MCPCIA_MID(m))#define MCPCIA_IO(m)		(IDENT_ADDR + 0xf180000000UL + MCPCIA_MID(m))#define MCPCIA_CONF(m)		(IDENT_ADDR + 0xf1c0000000UL + MCPCIA_MID(m))#define MCPCIA_CSR(m)		(IDENT_ADDR + 0xf1e0000000UL + MCPCIA_MID(m))#define MCPCIA_IO_IACK(m)	(IDENT_ADDR + 0xf1f0000000UL + MCPCIA_MID(m))#define MCPCIA_DENSE_IO(m)	(IDENT_ADDR + 0xe1fc000000UL + MCPCIA_MID(m))#define MCPCIA_DENSE_CONF(m)	(IDENT_ADDR + 0xe1fe000000UL + MCPCIA_MID(m))/* *  General Registers */#define MCPCIA_REV(m)		(MCPCIA_CSR(m) + 0x000)#define MCPCIA_WHOAMI(m)	(MCPCIA_CSR(m) + 0x040)#define MCPCIA_PCI_LAT(m)	(MCPCIA_CSR(m) + 0x080)#define MCPCIA_CAP_CTRL(m)	(MCPCIA_CSR(m) + 0x100)#define MCPCIA_HAE_MEM(m)	(MCPCIA_CSR(m) + 0x400)#define MCPCIA_HAE_IO(m)	(MCPCIA_CSR(m) + 0x440)#define _MCPCIA_IACK_SC(m)	(MCPCIA_CSR(m) + 0x480)#define MCPCIA_HAE_DENSE(m)	(MCPCIA_CSR(m) + 0x4C0)/* * Interrupt Control registers */#define MCPCIA_INT_CTL(m)	(MCPCIA_CSR(m) + 0x500)#define MCPCIA_INT_REQ(m)	(MCPCIA_CSR(m) + 0x540)#define MCPCIA_INT_TARG(m)	(MCPCIA_CSR(m) + 0x580)#define MCPCIA_INT_ADR(m)	(MCPCIA_CSR(m) + 0x5C0)#define MCPCIA_INT_ADR_EXT(m)	(MCPCIA_CSR(m) + 0x600)#define MCPCIA_INT_MASK0(m)	(MCPCIA_CSR(m) + 0x640)#define MCPCIA_INT_MASK1(m)	(MCPCIA_CSR(m) + 0x680)#define MCPCIA_INT_ACK0(m)	(MCPCIA_CSR(m) + 0x10003f00)#define MCPCIA_INT_ACK1(m)	(MCPCIA_CSR(m) + 0x10003f40)/* * Performance Monitor registers */#define MCPCIA_PERF_MON(m)	(MCPCIA_CSR(m) + 0x300)#define MCPCIA_PERF_CONT(m)	(MCPCIA_CSR(m) + 0x340)/* * Diagnostic Registers */#define MCPCIA_CAP_DIAG(m)	(MCPCIA_CSR(m) + 0x700)#define MCPCIA_TOP_OF_MEM(m)	(MCPCIA_CSR(m) + 0x7C0)/* * Error registers */#define MCPCIA_MC_ERR0(m)	(MCPCIA_CSR(m) + 0x800)#define MCPCIA_MC_ERR1(m)	(MCPCIA_CSR(m) + 0x840)#define MCPCIA_CAP_ERR(m)	(MCPCIA_CSR(m) + 0x880)#define MCPCIA_PCI_ERR1(m)	(MCPCIA_CSR(m) + 0x1040)#define MCPCIA_MDPA_STAT(m)	(MCPCIA_CSR(m) + 0x4000)#define MCPCIA_MDPA_SYN(m)	(MCPCIA_CSR(m) + 0x4040)#define MCPCIA_MDPA_DIAG(m)	(MCPCIA_CSR(m) + 0x4080)#define MCPCIA_MDPB_STAT(m)	(MCPCIA_CSR(m) + 0x8000)#define MCPCIA_MDPB_SYN(m)	(MCPCIA_CSR(m) + 0x8040)#define MCPCIA_MDPB_DIAG(m)	(MCPCIA_CSR(m) + 0x8080)/* * PCI Address Translation Registers. */#define MCPCIA_SG_TBIA(m)	(MCPCIA_CSR(m) + 0x1300)#define MCPCIA_HBASE(m)		(MCPCIA_CSR(m) + 0x1340)#define MCPCIA_W0_BASE(m)	(MCPCIA_CSR(m) + 0x1400)#define MCPCIA_W0_MASK(m)	(MCPCIA_CSR(m) + 0x1440)#define MCPCIA_T0_BASE(m)	(MCPCIA_CSR(m) + 0x1480)#define MCPCIA_W1_BASE(m)	(MCPCIA_CSR(m) + 0x1500)#define MCPCIA_W1_MASK(m)	(MCPCIA_CSR(m) + 0x1540)#define MCPCIA_T1_BASE(m)	(MCPCIA_CSR(m) + 0x1580)#define MCPCIA_W2_BASE(m)	(MCPCIA_CSR(m) + 0x1600)#define MCPCIA_W2_MASK(m)	(MCPCIA_CSR(m) + 0x1640)#define MCPCIA_T2_BASE(m)	(MCPCIA_CSR(m) + 0x1680)#define MCPCIA_W3_BASE(m)	(MCPCIA_CSR(m) + 0x1700)#define MCPCIA_W3_MASK(m)	(MCPCIA_CSR(m) + 0x1740)#define MCPCIA_T3_BASE(m)	(MCPCIA_CSR(m) + 0x1780)/* Hack!  Only words for bus 0.  */#ifndef MCPCIA_ONE_HAE_WINDOW#define MCPCIA_HAE_ADDRESS	MCPCIA_HAE_MEM(4)#endif#define MCPCIA_IACK_SC		_MCPCIA_IACK_SC(4)/*  * The canonical non-remaped I/O and MEM addresses have these values * subtracted out.  This is arranged so that folks manipulating ISA * devices can use their familiar numbers and have them map to bus 0. */#define MCPCIA_IO_BIAS		MCPCIA_IO(4)#define MCPCIA_MEM_BIAS		MCPCIA_DENSE(4)/* Offset between ram physical addresses and pci64 DAC bus addresses.  */#define MCPCIA_DAC_OFFSET	(1UL << 40)/* * Data structure for handling MCPCIA machine checks: */struct el_MCPCIA_uncorrected_frame_mcheck {	struct el_common header;	struct el_common_EV5_uncorrectable_mcheck procdata;};#ifdef __KERNEL__#ifndef __EXTERN_INLINE#define __EXTERN_INLINE extern inline#define __IO_EXTERN_INLINE#endif/* * I/O functions: * * MCPCIA, the RAWHIDE family PCI/memory support chipset for the EV5 (21164) * and EV56 (21164a) processors, can use either a sparse address mapping * scheme, or the so-called byte-word PCI address space, to get at PCI memory * and I/O. * * Unfortunately, we can't use BWIO with EV5, so for now, we always use SPARSE. *//* * Memory functions.  64-bit and 32-bit accesses are done through * dense memory space, everything else through sparse space. * * For reading and writing 8 and 16 bit quantities we need to * go through one of the three sparse address mapping regions * and use the HAE_MEM CSR to provide some bits of the address. * The following few routines use only sparse address region 1 * which gives 1Gbyte of accessible space which relates exactly * to the amount of PCI memory mapping *into* system address space. * See p 6-17 of the specification but it looks something like this: * * 21164 Address: * *          3         2         1 * 9876543210987654321098765432109876543210 * 1ZZZZ0.PCI.QW.Address............BBLL * * ZZ = SBZ * BB = Byte offset
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