| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ALPHA_TSUNAMI__H__ |
| #define __ALPHA_TSUNAMI__H__ |
| |
| #include <linux/types.h> |
| #include <asm/compiler.h> |
| |
| /* |
| * TSUNAMI/TYPHOON are the internal names for the core logic chipset which |
| * provides memory controller and PCI access for the 21264 based systems. |
| * |
| * This file is based on: |
| * |
| * Tsunami System Programmers Manual |
| * Preliminary, Chapters 2-5 |
| * |
| */ |
| |
| /* XXX: Do we need to conditionalize on this? */ |
| #ifdef USE_48_BIT_KSEG |
| #define TS_BIAS 0x80000000000UL |
| #else |
| #define TS_BIAS 0x10000000000UL |
| #endif |
| |
| /* |
| * CChip, DChip, and PChip registers |
| */ |
| |
| typedef struct { |
| volatile unsigned long csr __attribute__((aligned(64))); |
| } tsunami_64; |
| |
| typedef struct { |
| tsunami_64 csc; |
| tsunami_64 mtr; |
| tsunami_64 misc; |
| tsunami_64 mpd; |
| tsunami_64 aar0; |
| tsunami_64 aar1; |
| tsunami_64 aar2; |
| tsunami_64 aar3; |
| tsunami_64 dim0; |
| tsunami_64 dim1; |
| tsunami_64 dir0; |
| tsunami_64 dir1; |
| tsunami_64 drir; |
| tsunami_64 prben; |
| tsunami_64 iic; /* a.k.a. iic0 */ |
| tsunami_64 wdr; /* a.k.a. iic1 */ |
| tsunami_64 mpr0; |
| tsunami_64 mpr1; |
| tsunami_64 mpr2; |
| tsunami_64 mpr3; |
| tsunami_64 mctl; |
| tsunami_64 __pad1; |
| tsunami_64 ttr; |
| tsunami_64 tdr; |
| tsunami_64 dim2; |
| tsunami_64 dim3; |
| tsunami_64 dir2; |
| tsunami_64 dir3; |
| tsunami_64 iic2; |
| tsunami_64 iic3; |
| } tsunami_cchip; |
| |
| typedef struct { |
| tsunami_64 dsc; |
| tsunami_64 str; |
| tsunami_64 drev; |
| } tsunami_dchip; |
| |
| typedef struct { |
| tsunami_64 wsba[4]; |
| tsunami_64 wsm[4]; |
| tsunami_64 tba[4]; |
| tsunami_64 pctl; |
| tsunami_64 plat; |
| tsunami_64 reserved; |
| tsunami_64 perror; |
| tsunami_64 perrmask; |
| tsunami_64 perrset; |
| tsunami_64 tlbiv; |
| tsunami_64 tlbia; |
| tsunami_64 pmonctl; |
| tsunami_64 pmoncnt; |
| } tsunami_pchip; |
| |
| #define TSUNAMI_cchip ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL)) |
| #define TSUNAMI_dchip ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL)) |
| #define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL)) |
| #define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL)) |
| extern int TSUNAMI_bootcpu; |
| |
| /* |
| * TSUNAMI Pchip Error register. |
| */ |
| |
| #define perror_m_lost 0x1 |
| #define perror_m_serr 0x2 |
| #define perror_m_perr 0x4 |
| #define perror_m_dcrto 0x8 |
| #define perror_m_sge 0x10 |
| #define perror_m_ape 0x20 |
| #define perror_m_ta 0x40 |
| #define perror_m_rdpe 0x80 |
| #define perror_m_nds 0x100 |
| #define perror_m_rto 0x200 |
| #define perror_m_uecc 0x400 |
| #define perror_m_cre 0x800 |
| #define perror_m_addrl 0xFFFFFFFF0000UL |
| #define perror_m_addrh 0x7000000000000UL |
| #define perror_m_cmd 0xF0000000000000UL |
| #define perror_m_syn 0xFF00000000000000UL |
| union TPchipPERROR { |
| struct { |
| unsigned int perror_v_lost : 1; |
| unsigned perror_v_serr : 1; |
| unsigned perror_v_perr : 1; |
| unsigned perror_v_dcrto : 1; |
| unsigned perror_v_sge : 1; |
| unsigned perror_v_ape : 1; |
| unsigned perror_v_ta : 1; |
| unsigned perror_v_rdpe : 1; |
| unsigned perror_v_nds : 1; |
| unsigned perror_v_rto : 1; |
| unsigned perror_v_uecc : 1; |
| unsigned perror_v_cre : 1; |
| unsigned perror_v_rsvd1 : 4; |
| unsigned perror_v_addrl : 32; |
| unsigned perror_v_addrh : 3; |
| unsigned perror_v_rsvd2 : 1; |
| unsigned perror_v_cmd : 4; |
| unsigned perror_v_syn : 8; |
| } perror_r_bits; |
| int perror_q_whole [2]; |
| }; |
| |
| /* |
| * TSUNAMI Pchip Window Space Base Address register. |
| */ |
| #define wsba_m_ena 0x1 |
| #define wsba_m_sg 0x2 |
| #define wsba_m_ptp 0x4 |
| #define wsba_m_addr 0xFFF00000 |
| #define wmask_k_sz1gb 0x3FF00000 |
| union TPchipWSBA { |
| struct { |
| unsigned wsba_v_ena : 1; |
| unsigned wsba_v_sg : 1; |
| unsigned wsba_v_ptp : 1; |
| unsigned wsba_v_rsvd1 : 17; |
| unsigned wsba_v_addr : 12; |
| unsigned wsba_v_rsvd2 : 32; |
| } wsba_r_bits; |
| int wsba_q_whole [2]; |
| }; |
| |
| /* |
| * TSUNAMI Pchip Control Register |
| */ |
| #define pctl_m_fdsc 0x1 |
| #define pctl_m_fbtb 0x2 |
| #define pctl_m_thdis 0x4 |
| #define pctl_m_chaindis 0x8 |
| #define pctl_m_tgtlat 0x10 |
| #define pctl_m_hole 0x20 |
| #define pctl_m_mwin 0x40 |
| #define pctl_m_arbena 0x80 |
| #define pctl_m_prigrp 0x7F00 |
| #define pctl_m_ppri 0x8000 |
| #define pctl_m_rsvd1 0x30000 |
| #define pctl_m_eccen 0x40000 |
| #define pctl_m_padm 0x80000 |
| #define pctl_m_cdqmax 0xF00000 |
| #define pctl_m_rev 0xFF000000 |
| #define pctl_m_crqmax 0xF00000000UL |
| #define pctl_m_ptpmax 0xF000000000UL |
| #define pctl_m_pclkx 0x30000000000UL |
| #define pctl_m_fdsdis 0x40000000000UL |
| #define pctl_m_fdwdis 0x80000000000UL |
| #define pctl_m_ptevrfy 0x100000000000UL |
| #define pctl_m_rpp 0x200000000000UL |
| #define pctl_m_pid 0xC00000000000UL |
| #define pctl_m_rsvd2 0xFFFF000000000000UL |
| |
| union TPchipPCTL { |
| struct { |
| unsigned pctl_v_fdsc : 1; |
| unsigned pctl_v_fbtb : 1; |
| unsigned pctl_v_thdis : 1; |
| unsigned pctl_v_chaindis : 1; |
| unsigned pctl_v_tgtlat : 1; |
| unsigned pctl_v_hole : 1; |
| unsigned pctl_v_mwin : 1; |
| unsigned pctl_v_arbena : 1; |
| unsigned pctl_v_prigrp : 7; |
| unsigned pctl_v_ppri : 1; |
| unsigned pctl_v_rsvd1 : 2; |
| unsigned pctl_v_eccen : 1; |
| unsigned pctl_v_padm : 1; |
| unsigned pctl_v_cdqmax : 4; |
| unsigned pctl_v_rev : 8; |
| unsigned pctl_v_crqmax : 4; |
| unsigned pctl_v_ptpmax : 4; |
| unsigned pctl_v_pclkx : 2; |
| unsigned pctl_v_fdsdis : 1; |
| unsigned pctl_v_fdwdis : 1; |
| unsigned pctl_v_ptevrfy : 1; |
| unsigned pctl_v_rpp : 1; |
| unsigned pctl_v_pid : 2; |
| unsigned pctl_v_rsvd2 : 16; |
| } pctl_r_bits; |
| int pctl_q_whole [2]; |
| }; |
| |
| /* |
| * TSUNAMI Pchip Error Mask Register. |
| */ |
| #define perrmask_m_lost 0x1 |
| #define perrmask_m_serr 0x2 |
| #define perrmask_m_perr 0x4 |
| #define perrmask_m_dcrto 0x8 |
| #define perrmask_m_sge 0x10 |
| #define perrmask_m_ape 0x20 |
| #define perrmask_m_ta 0x40 |
| #define perrmask_m_rdpe 0x80 |
| #define perrmask_m_nds 0x100 |
| #define perrmask_m_rto 0x200 |
| #define perrmask_m_uecc 0x400 |
| #define perrmask_m_cre 0x800 |
| #define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL |
| union TPchipPERRMASK { |
| struct { |
| unsigned int perrmask_v_lost : 1; |
| unsigned perrmask_v_serr : 1; |
| unsigned perrmask_v_perr : 1; |
| unsigned perrmask_v_dcrto : 1; |
| unsigned perrmask_v_sge : 1; |
| unsigned perrmask_v_ape : 1; |
| unsigned perrmask_v_ta : 1; |
| unsigned perrmask_v_rdpe : 1; |
| unsigned perrmask_v_nds : 1; |
| unsigned perrmask_v_rto : 1; |
| unsigned perrmask_v_uecc : 1; |
| unsigned perrmask_v_cre : 1; |
| unsigned perrmask_v_rsvd1 : 20; |
| unsigned perrmask_v_rsvd2 : 32; |
| } perrmask_r_bits; |
| int perrmask_q_whole [2]; |
| }; |
| |
| /* |
| * Memory spaces: |
| */ |
| #define TSUNAMI_HOSE(h) (((unsigned long)(h)) << 33) |
| #define TSUNAMI_BASE (IDENT_ADDR + TS_BIAS) |
| |
| #define TSUNAMI_MEM(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL) |
| #define _TSUNAMI_IACK_SC(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL) |
| #define TSUNAMI_IO(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL) |
| #define TSUNAMI_CONF(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL) |
| |
| #define TSUNAMI_IACK_SC _TSUNAMI_IACK_SC(0) /* hack! */ |
| |
| |
| /* |
| * 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 TSUNAMI_IO_BIAS TSUNAMI_IO(0) |
| #define TSUNAMI_MEM_BIAS TSUNAMI_MEM(0) |
| |
| /* The IO address space is larger than 0xffff */ |
| #define TSUNAMI_IO_SPACE (TSUNAMI_CONF(0) - TSUNAMI_IO(0)) |
| |
| /* Offset between ram physical addresses and pci64 DAC bus addresses. */ |
| #define TSUNAMI_DAC_OFFSET (1UL << 40) |
| |
| /* |
| * Data structure for handling TSUNAMI machine checks: |
| */ |
| struct el_TSUNAMI_sysdata_mcheck { |
| }; |
| |
| |
| #ifdef __KERNEL__ |
| |
| #ifndef __EXTERN_INLINE |
| #define __EXTERN_INLINE extern inline |
| #define __IO_EXTERN_INLINE |
| #endif |
| |
| /* |
| * I/O functions: |
| * |
| * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264) |
| * can only use linear accesses to get at PCI memory and I/O spaces. |
| */ |
| |
| /* |
| * Memory functions. all accesses are done through linear space. |
| */ |
| extern void __iomem *tsunami_ioportmap(unsigned long addr); |
| extern void __iomem *tsunami_ioremap(unsigned long addr, unsigned long size); |
| __EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr) |
| { |
| return addr >= TSUNAMI_BASE; |
| } |
| |
| __EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr) |
| { |
| unsigned long addr = (unsigned long) xaddr; |
| return (addr & 0x100000000UL) == 0; |
| } |
| |
| #undef __IO_PREFIX |
| #define __IO_PREFIX tsunami |
| #define tsunami_trivial_rw_bw 1 |
| #define tsunami_trivial_rw_lq 1 |
| #define tsunami_trivial_io_bw 1 |
| #define tsunami_trivial_io_lq 1 |
| #define tsunami_trivial_iounmap 1 |
| #include <asm/io_trivial.h> |
| |
| #ifdef __IO_EXTERN_INLINE |
| #undef __EXTERN_INLINE |
| #undef __IO_EXTERN_INLINE |
| #endif |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __ALPHA_TSUNAMI__H__ */ |
