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linux-headers-6.8.0-36
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arch
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alpha
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include
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asm
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core_cia.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ALPHA_CIA__H__ #define __ALPHA_CIA__H__ /* Define to experiment with fitting everything into one 512MB HAE window. */ #define CIA_ONE_HAE_WINDOW 1 #include <linux/types.h> #include <asm/compiler.h> /* * CIA is the internal name for the 21171 chipset which provides * memory controller and PCI access for the 21164 chip based systems. * Also supported here is the 21172 (CIA-2) and 21174 (PYXIS). * * The lineage is a bit confused, since the 21174 was reportedly started * from the 21171 Pass 1 mask, and so is missing bug fixes that appear * in 21171 Pass 2 and 21172, but it also contains additional features. * * This file is based on: * * DECchip 21171 Core Logic Chipset * Technical Reference Manual * * EC-QE18B-TE * * david.rusling@reo.mts.dec.com Initial Version. * */ /* * CIA 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 CIA_MEM_R1_MASK 0x1fffffff /* SPARSE Mem region 1 mask is 29 bits */ #define CIA_MEM_R2_MASK 0x07ffffff /* SPARSE Mem region 2 mask is 27 bits */ #define CIA_MEM_R3_MASK 0x03ffffff /* SPARSE Mem region 3 mask is 26 bits */ /* * 21171-CA Control and Status Registers */ #define CIA_IOC_CIA_REV (IDENT_ADDR + 0x8740000080UL) # define CIA_REV_MASK 0xff #define CIA_IOC_PCI_LAT (IDENT_ADDR + 0x87400000C0UL) #define CIA_IOC_CIA_CTRL (IDENT_ADDR + 0x8740000100UL) # define CIA_CTRL_PCI_EN (1 << 0) # define CIA_CTRL_PCI_LOCK_EN (1 << 1) # define CIA_CTRL_PCI_LOOP_EN (1 << 2) # define CIA_CTRL_FST_BB_EN (1 << 3) # define CIA_CTRL_PCI_MST_EN (1 << 4) # define CIA_CTRL_PCI_MEM_EN (1 << 5) # define CIA_CTRL_PCI_REQ64_EN (1 << 6) # define CIA_CTRL_PCI_ACK64_EN (1 << 7) # define CIA_CTRL_ADDR_PE_EN (1 << 8) # define CIA_CTRL_PERR_EN (1 << 9) # define CIA_CTRL_FILL_ERR_EN (1 << 10) # define CIA_CTRL_MCHK_ERR_EN (1 << 11) # define CIA_CTRL_ECC_CHK_EN (1 << 12) # define CIA_CTRL_ASSERT_IDLE_BC (1 << 13) # define CIA_CTRL_COM_IDLE_BC (1 << 14) # define CIA_CTRL_CSR_IOA_BYPASS (1 << 15) # define CIA_CTRL_IO_FLUSHREQ_EN (1 << 16) # define CIA_CTRL_CPU_FLUSHREQ_EN (1 << 17) # define CIA_CTRL_ARB_CPU_EN (1 << 18) # define CIA_CTRL_EN_ARB_LINK (1 << 19) # define CIA_CTRL_RD_TYPE_SHIFT 20 # define CIA_CTRL_RL_TYPE_SHIFT 24 # define CIA_CTRL_RM_TYPE_SHIFT 28 # define CIA_CTRL_EN_DMA_RD_PERF (1 << 31) #define CIA_IOC_CIA_CNFG (IDENT_ADDR + 0x8740000140UL) # define CIA_CNFG_IOA_BWEN (1 << 0) # define CIA_CNFG_PCI_MWEN (1 << 4) # define CIA_CNFG_PCI_DWEN (1 << 5) # define CIA_CNFG_PCI_WLEN (1 << 8) #define CIA_IOC_FLASH_CTRL (IDENT_ADDR + 0x8740000200UL) #define CIA_IOC_HAE_MEM (IDENT_ADDR + 0x8740000400UL) #define CIA_IOC_HAE_IO (IDENT_ADDR + 0x8740000440UL) #define CIA_IOC_CFG (IDENT_ADDR + 0x8740000480UL) #define CIA_IOC_CACK_EN (IDENT_ADDR + 0x8740000600UL) # define CIA_CACK_EN_LOCK_EN (1 << 0) # define CIA_CACK_EN_MB_EN (1 << 1) # define CIA_CACK_EN_SET_DIRTY_EN (1 << 2) # define CIA_CACK_EN_BC_VICTIM_EN (1 << 3) /* * 21171-CA Diagnostic Registers */ #define CIA_IOC_CIA_DIAG (IDENT_ADDR + 0x8740002000UL) #define CIA_IOC_DIAG_CHECK (IDENT_ADDR + 0x8740003000UL) /* * 21171-CA Performance Monitor registers */ #define CIA_IOC_PERF_MONITOR (IDENT_ADDR + 0x8740004000UL) #define CIA_IOC_PERF_CONTROL (IDENT_ADDR + 0x8740004040UL) /* * 21171-CA Error registers */ #define CIA_IOC_CPU_ERR0 (IDENT_ADDR + 0x8740008000UL) #define CIA_IOC_CPU_ERR1 (IDENT_ADDR + 0x8740008040UL) #define CIA_IOC_CIA_ERR (IDENT_ADDR + 0x8740008200UL) # define CIA_ERR_COR_ERR (1 << 0) # define CIA_ERR_UN_COR_ERR (1 << 1) # define CIA_ERR_CPU_PE (1 << 2) # define CIA_ERR_MEM_NEM (1 << 3) # define CIA_ERR_PCI_SERR (1 << 4) # define CIA_ERR_PERR (1 << 5) # define CIA_ERR_PCI_ADDR_PE (1 << 6) # define CIA_ERR_RCVD_MAS_ABT (1 << 7) # define CIA_ERR_RCVD_TAR_ABT (1 << 8) # define CIA_ERR_PA_PTE_INV (1 << 9) # define CIA_ERR_FROM_WRT_ERR (1 << 10) # define CIA_ERR_IOA_TIMEOUT (1 << 11) # define CIA_ERR_LOST_CORR_ERR (1 << 16) # define CIA_ERR_LOST_UN_CORR_ERR (1 << 17) # define CIA_ERR_LOST_CPU_PE (1 << 18) # define CIA_ERR_LOST_MEM_NEM (1 << 19) # define CIA_ERR_LOST_PERR (1 << 21) # define CIA_ERR_LOST_PCI_ADDR_PE (1 << 22) # define CIA_ERR_LOST_RCVD_MAS_ABT (1 << 23) # define CIA_ERR_LOST_RCVD_TAR_ABT (1 << 24) # define CIA_ERR_LOST_PA_PTE_INV (1 << 25) # define CIA_ERR_LOST_FROM_WRT_ERR (1 << 26) # define CIA_ERR_LOST_IOA_TIMEOUT (1 << 27) # define CIA_ERR_VALID (1 << 31) #define CIA_IOC_CIA_STAT (IDENT_ADDR + 0x8740008240UL) #define CIA_IOC_ERR_MASK (IDENT_ADDR + 0x8740008280UL) #define CIA_IOC_CIA_SYN (IDENT_ADDR + 0x8740008300UL) #define CIA_IOC_MEM_ERR0 (IDENT_ADDR + 0x8740008400UL) #define CIA_IOC_MEM_ERR1 (IDENT_ADDR + 0x8740008440UL) #define CIA_IOC_PCI_ERR0 (IDENT_ADDR + 0x8740008800UL) #define CIA_IOC_PCI_ERR1 (IDENT_ADDR + 0x8740008840UL) #define CIA_IOC_PCI_ERR3 (IDENT_ADDR + 0x8740008880UL) /* * 21171-CA System configuration registers */ #define CIA_IOC_MCR (IDENT_ADDR + 0x8750000000UL) #define CIA_IOC_MBA0 (IDENT_ADDR + 0x8750000600UL) #define CIA_IOC_MBA2 (IDENT_ADDR + 0x8750000680UL) #define CIA_IOC_MBA4 (IDENT_ADDR + 0x8750000700UL) #define CIA_IOC_MBA6 (IDENT_ADDR + 0x8750000780UL) #define CIA_IOC_MBA8 (IDENT_ADDR + 0x8750000800UL) #define CIA_IOC_MBAA (IDENT_ADDR + 0x8750000880UL) #define CIA_IOC_MBAC (IDENT_ADDR + 0x8750000900UL) #define CIA_IOC_MBAE (IDENT_ADDR + 0x8750000980UL) #define CIA_IOC_TMG0 (IDENT_ADDR + 0x8750000B00UL) #define CIA_IOC_TMG1 (IDENT_ADDR + 0x8750000B40UL) #define CIA_IOC_TMG2 (IDENT_ADDR + 0x8750000B80UL) /* * 2117A-CA PCI Address and Scatter-Gather Registers. */ #define CIA_IOC_PCI_TBIA (IDENT_ADDR + 0x8760000100UL) #define CIA_IOC_PCI_W0_BASE (IDENT_ADDR + 0x8760000400UL) #define CIA_IOC_PCI_W0_MASK (IDENT_ADDR + 0x8760000440UL) #define CIA_IOC_PCI_T0_BASE (IDENT_ADDR + 0x8760000480UL) #define CIA_IOC_PCI_W1_BASE (IDENT_ADDR + 0x8760000500UL) #define CIA_IOC_PCI_W1_MASK (IDENT_ADDR + 0x8760000540UL) #define CIA_IOC_PCI_T1_BASE (IDENT_ADDR + 0x8760000580UL) #define CIA_IOC_PCI_W2_BASE (IDENT_ADDR + 0x8760000600UL) #define CIA_IOC_PCI_W2_MASK (IDENT_ADDR + 0x8760000640UL) #define CIA_IOC_PCI_T2_BASE (IDENT_ADDR + 0x8760000680UL) #define CIA_IOC_PCI_W3_BASE (IDENT_ADDR + 0x8760000700UL) #define CIA_IOC_PCI_W3_MASK (IDENT_ADDR + 0x8760000740UL) #define CIA_IOC_PCI_T3_BASE (IDENT_ADDR + 0x8760000780UL) #define CIA_IOC_PCI_Wn_BASE(N) (IDENT_ADDR + 0x8760000400UL + (N)*0x100) #define CIA_IOC_PCI_Wn_MASK(N) (IDENT_ADDR + 0x8760000440UL + (N)*0x100) #define CIA_IOC_PCI_Tn_BASE(N) (IDENT_ADDR + 0x8760000480UL + (N)*0x100) #define CIA_IOC_PCI_W_DAC (IDENT_ADDR + 0x87600007C0UL) /* * 2117A-CA Address Translation Registers. */ /* 8 tag registers, the first 4 of which are lockable. */ #define CIA_IOC_TB_TAGn(n) \ (IDENT_ADDR + 0x8760000800UL + (n)*0x40) /* 4 page registers per tag register. */ #define CIA_IOC_TBn_PAGEm(n,m) \ (IDENT_ADDR + 0x8760001000UL + (n)*0x100 + (m)*0x40) /* * Memory spaces: */ #define CIA_IACK_SC (IDENT_ADDR + 0x8720000000UL) #define CIA_CONF (IDENT_ADDR + 0x8700000000UL) #define CIA_IO (IDENT_ADDR + 0x8580000000UL) #define CIA_SPARSE_MEM (IDENT_ADDR + 0x8000000000UL) #define CIA_SPARSE_MEM_R2 (IDENT_ADDR + 0x8400000000UL) #define CIA_SPARSE_MEM_R3 (IDENT_ADDR + 0x8500000000UL) #define CIA_DENSE_MEM (IDENT_ADDR + 0x8600000000UL) #define CIA_BW_MEM (IDENT_ADDR + 0x8800000000UL) #define CIA_BW_IO (IDENT_ADDR + 0x8900000000UL) #define CIA_BW_CFG_0 (IDENT_ADDR + 0x8a00000000UL) #define CIA_BW_CFG_1 (IDENT_ADDR + 0x8b00000000UL) /* * ALCOR's GRU ASIC registers */ #define GRU_INT_REQ (IDENT_ADDR + 0x8780000000UL) #define GRU_INT_MASK (IDENT_ADDR + 0x8780000040UL) #define GRU_INT_EDGE (IDENT_ADDR + 0x8780000080UL) #define GRU_INT_HILO (IDENT_ADDR + 0x87800000C0UL) #define GRU_INT_CLEAR (IDENT_ADDR + 0x8780000100UL) #define GRU_CACHE_CNFG (IDENT_ADDR + 0x8780000200UL) #define GRU_SCR (IDENT_ADDR + 0x8780000300UL) #define GRU_LED (IDENT_ADDR + 0x8780000800UL) #define GRU_RESET (IDENT_ADDR + 0x8780000900UL) #define ALCOR_GRU_INT_REQ_BITS 0x800fffffUL #define XLT_GRU_INT_REQ_BITS 0x80003fffUL #define GRU_INT_REQ_BITS (alpha_mv.sys.cia.gru_int_req_bits+0) /* * PYXIS interrupt control registers */ #define PYXIS_INT_REQ (IDENT_ADDR + 0x87A0000000UL) #define PYXIS_INT_MASK (IDENT_ADDR + 0x87A0000040UL) #define PYXIS_INT_HILO (IDENT_ADDR + 0x87A00000C0UL) #define PYXIS_INT_ROUTE (IDENT_ADDR + 0x87A0000140UL) #define PYXIS_GPO (IDENT_ADDR + 0x87A0000180UL) #define PYXIS_INT_CNFG (IDENT_ADDR + 0x87A00001C0UL) #define PYXIS_RT_COUNT (IDENT_ADDR + 0x87A0000200UL) #define PYXIS_INT_TIME (IDENT_ADDR + 0x87A0000240UL) #define PYXIS_IIC_CTRL (IDENT_ADDR + 0x87A00002C0UL) #define PYXIS_RESET (IDENT_ADDR + 0x8780000900UL) /* Offset between ram physical addresses and pci64 DAC bus addresses. */ #define PYXIS_DAC_OFFSET (1UL << 40) /* * Data structure for handling CIA machine checks. */ /* System-specific info. */ struct el_CIA_sysdata_mcheck { unsigned long cpu_err0; unsigned long cpu_err1; unsigned long cia_err; unsigned long cia_stat; unsigned long err_mask; unsigned long cia_syn; unsigned long mem_err0; unsigned long mem_err1; unsigned long pci_err0; unsigned long pci_err1; unsigned long pci_err2; }; #ifdef __KERNEL__ #ifndef __EXTERN_INLINE /* Do not touch, this should *NOT* be static inline */ #define __EXTERN_INLINE extern inline #define __IO_EXTERN_INLINE #endif /* * I/O functions: * * CIA (the 2117x PCI/memory support chipset for the EV5 (21164) * series of processors uses a sparse address mapping scheme to * get at PCI memory and I/O. */ /* * 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 * LL = Transfer length * * PCI Address: * * 3 2 1 * 10987654321098765432109876543210 * HHH....PCI.QW.Address........ 00 * * HHH = 31:29 HAE_MEM CSR * */ #define vip volatile int __force * #define vuip volatile unsigned int __force * #define vulp volatile unsigned long __force * __EXTERN_INLINE u8 cia_ioread8(const void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long result, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x00; else base_and_type = CIA_IO + 0x00; /* We can use CIA_MEM_R1_MASK for io ports too, since it is large enough to cover all io ports, and smaller than CIA_IO. */ addr &= CIA_MEM_R1_MASK; result = *(vip) ((addr << 5) + base_and_type); return __kernel_extbl(result, addr & 3); } __EXTERN_INLINE void cia_iowrite8(u8 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long w, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x00; else base_and_type = CIA_IO + 0x00; addr &= CIA_MEM_R1_MASK; w = __kernel_insbl(b, addr & 3); *(vuip) ((addr << 5) + base_and_type) = w; } __EXTERN_INLINE u16 cia_ioread16(const void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long result, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x08; else base_and_type = CIA_IO + 0x08; addr &= CIA_MEM_R1_MASK; result = *(vip) ((addr << 5) + base_and_type); return __kernel_extwl(result, addr & 3); } __EXTERN_INLINE void cia_iowrite16(u16 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long w, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x08; else base_and_type = CIA_IO + 0x08; addr &= CIA_MEM_R1_MASK; w = __kernel_inswl(b, addr & 3); *(vuip) ((addr << 5) + base_and_type) = w; } __EXTERN_INLINE u32 cia_ioread32(const void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; return *(vuip)addr; } __EXTERN_INLINE void cia_iowrite32(u32 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; *(vuip)addr = b; } __EXTERN_INLINE u64 cia_ioread64(const void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; return *(vulp)addr; } __EXTERN_INLINE void cia_iowrite64(u64 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; *(vulp)addr = b; } __EXTERN_INLINE void __iomem *cia_ioportmap(unsigned long addr) { return (void __iomem *)(addr + CIA_IO); } __EXTERN_INLINE void __iomem *cia_ioremap(unsigned long addr, unsigned long size) { return (void __iomem *)(addr + CIA_DENSE_MEM); } __EXTERN_INLINE int cia_is_ioaddr(unsigned long addr) { return addr >= IDENT_ADDR + 0x8000000000UL; } __EXTERN_INLINE int cia_is_mmio(const volatile void __iomem *addr) { return (unsigned long)addr >= CIA_DENSE_MEM; } __EXTERN_INLINE void __iomem *cia_bwx_ioportmap(unsigned long addr) { return (void __iomem *)(addr + CIA_BW_IO); } __EXTERN_INLINE void __iomem *cia_bwx_ioremap(unsigned long addr, unsigned long size) { return (void __iomem *)(addr + CIA_BW_MEM); } __EXTERN_INLINE int cia_bwx_is_ioaddr(unsigned long addr) { return addr >= IDENT_ADDR + 0x8000000000UL; } __EXTERN_INLINE int cia_bwx_is_mmio(const volatile void __iomem *addr) { return (unsigned long)addr < CIA_BW_IO; } #undef vip #undef vuip #undef vulp #undef __IO_PREFIX #define __IO_PREFIX cia #define cia_trivial_rw_bw 2 #define cia_trivial_rw_lq 1 #define cia_trivial_io_bw 0 #define cia_trivial_io_lq 0 #define cia_trivial_iounmap 1 #include <asm/io_trivial.h> #undef __IO_PREFIX #define __IO_PREFIX cia_bwx #define cia_bwx_trivial_rw_bw 1 #define cia_bwx_trivial_rw_lq 1 #define cia_bwx_trivial_io_bw 1 #define cia_bwx_trivial_io_lq 1 #define cia_bwx_trivial_iounmap 1 #include <asm/io_trivial.h> #undef __IO_PREFIX #ifdef CONFIG_ALPHA_PYXIS #define __IO_PREFIX cia_bwx #else #define __IO_PREFIX cia #endif #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_CIA__H__ */
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