diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/mips/include/asm/sgi/gio.h | 86 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/heart.h | 323 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/hpc3.h | 317 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/ioc.h | 200 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/ip22.h | 80 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/mc.h | 231 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/pi1.h | 72 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/seeq.h | 21 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgi/wd.h | 20 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgialib.h | 61 | ||||
| -rw-r--r-- | arch/mips/include/asm/sgiarcs.h | 505 |
11 files changed, 1916 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sgi/gio.h b/arch/mips/include/asm/sgi/gio.h new file mode 100644 index 000000000..24be2b425 --- /dev/null +++ b/arch/mips/include/asm/sgi/gio.h @@ -0,0 +1,86 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * gio.h: Definitions for SGI GIO bus + * + * Copyright (C) 2002 Ladislav Michl + */ + +#ifndef _SGI_GIO_H +#define _SGI_GIO_H + +/* + * GIO bus addresses + * + * The Indigo and Indy have two GIO bus connectors. Indigo2 (all models) have + * three physical connectors, but only two slots, GFX and EXP0. + * + * There is 10MB of GIO address space for GIO64 slot devices + * slot# slot type address range size + * ----- --------- ----------------------- ----- + * 0 GFX 0x1f000000 - 0x1f3fffff 4MB + * 1 EXP0 0x1f400000 - 0x1f5fffff 2MB + * 2 EXP1 0x1f600000 - 0x1f9fffff 4MB + * + * There are un-slotted devices, HPC, I/O and misc devices, which are grouped + * into the HPC address space. + * - MISC 0x1fb00000 - 0x1fbfffff 1MB + * + * Following space is reserved and unused + * - RESERVED 0x18000000 - 0x1effffff 112MB + * + * GIO bus IDs + * + * Each GIO bus device identifies itself to the system by answering a + * read with an "ID" value. IDs are either 8 or 32 bits long. IDs less + * than 128 are 8 bits long, with the most significant 24 bits read from + * the slot undefined. + * + * 32-bit IDs are divided into + * bits 0:6 the product ID; ranges from 0x00 to 0x7F. + * bit 7 0=GIO Product ID is 8 bits wide + * 1=GIO Product ID is 32 bits wide. + * bits 8:15 manufacturer version for the product. + * bit 16 0=GIO32 and GIO32-bis, 1=GIO64. + * bit 17 0=no ROM present + * 1=ROM present on this board AND next three words + * space define the ROM. + * bits 18:31 up to manufacturer. + * + * IDs above 0x50/0xd0 are of 3rd party boards. + * + * 8-bit IDs + * 0x01 XPI low cost FDDI + * 0x02 GTR TokenRing + * 0x04 Synchronous ISDN + * 0x05 ATM board [*] + * 0x06 Canon Interface + * 0x07 16 bit SCSI Card [*] + * 0x08 JPEG (Double Wide) + * 0x09 JPEG (Single Wide) + * 0x0a XPI mez. FDDI device 0 + * 0x0b XPI mez. FDDI device 1 + * 0x0c SMPTE 259M Video [*] + * 0x0d Babblefish Compression [*] + * 0x0e E-Plex 8-port Ethernet + * 0x30 Lyon Lamb IVAS + * 0xb8 GIO 100BaseTX Fast Ethernet (gfe) + * + * [*] Device provide 32-bit ID. + * + */ + +#define GIO_ID(x) (x & 0x7f) +#define GIO_32BIT_ID 0x80 +#define GIO_REV(x) ((x >> 8) & 0xff) +#define GIO_64BIT_IFACE 0x10000 +#define GIO_ROM_PRESENT 0x20000 +#define GIO_VENDOR_CODE(x) ((x >> 18) & 0x3fff) + +#define GIO_SLOT_GFX_BASE 0x1f000000 +#define GIO_SLOT_EXP0_BASE 0x1f400000 +#define GIO_SLOT_EXP1_BASE 0x1f600000 + +#endif /* _SGI_GIO_H */ diff --git a/arch/mips/include/asm/sgi/heart.h b/arch/mips/include/asm/sgi/heart.h new file mode 100644 index 000000000..0d0375195 --- /dev/null +++ b/arch/mips/include/asm/sgi/heart.h @@ -0,0 +1,323 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * HEART chip definitions + * + * Copyright (C) 2004-2007 Stanislaw Skowronek <skylark@unaligned.org> + * 2009 Johannes Dickgreber <tanzy@gmx.de> + * 2007-2015 Joshua Kinard <kumba@gentoo.org> + */ +#ifndef __ASM_SGI_HEART_H +#define __ASM_SGI_HEART_H + +#include <linux/types.h> +#include <linux/time.h> + +/* + * There are 8 DIMM slots on an IP30 system + * board, which are grouped into four banks + */ +#define HEART_MEMORY_BANKS 4 + +/* HEART can support up to four CPUs */ +#define HEART_MAX_CPUS 4 + +#define HEART_XKPHYS_BASE ((void *)(IO_BASE | 0x000000000ff00000ULL)) + +/** + * struct ip30_heart_regs - struct that maps IP30 HEART registers. + * @mode: HEART_MODE - Purpose Unknown, machine reset called from here. + * @sdram_mode: HEART_SDRAM_MODE - purpose unknown. + * @mem_refresh: HEART_MEM_REF - purpose unknown. + * @mem_req_arb: HEART_MEM_REQ_ARB - purpose unknown. + * @mem_cfg.q: union for 64bit access to HEART_MEMCFG - 4x 64bit registers. + * @mem_cfg.l: union for 32bit access to HEART_MEMCFG - 8x 32bit registers. + * @fc_mode: HEART_FC_MODE - Purpose Unknown, possibly for GFX flow control. + * @fc_timer_limit: HEART_FC_TIMER_LIMIT - purpose unknown. + * @fc_addr: HEART_FC0_ADDR, HEART_FC1_ADDR - purpose unknown. + * @fc_credit_cnt: HEART_FC0_CR_CNT, HEART_FC1_CR_CNT - purpose unknown. + * @fc_timer: HEART_FC0_TIMER, HEART_FC1_TIMER - purpose unknown. + * @status: HEART_STATUS - HEART status information. + * @bus_err_addr: HEART_BERR_ADDR - likely contains addr of recent SIGBUS. + * @bus_err_misc: HEART_BERR_MISC - purpose unknown. + * @mem_err_addr: HEART_MEMERR_ADDR - likely contains addr of recent mem err. + * @mem_err_data: HEART_MEMERR_DATA - purpose unknown. + * @piur_acc_err: HEART_PIUR_ACC_ERR - likely for access err to HEART regs. + * @mlan_clock_div: HEART_MLAN_CLK_DIV - MicroLAN clock divider. + * @mlan_ctrl: HEART_MLAN_CTL - MicroLAN control. + * @__pad0: 0x0f40 bytes of padding -> next HEART register 0x01000. + * @undefined: Undefined/diag register, write to it triggers PIUR_ACC_ERR. + * @__pad1: 0xeff8 bytes of padding -> next HEART register 0x10000. + * @imr: HEART_IMR0 to HEART_IMR3 - per-cpu interrupt mask register. + * @set_isr: HEART_SET_ISR - set interrupt status register. + * @clear_isr: HEART_CLR_ISR - clear interrupt status register. + * @isr: HEART_ISR - interrupt status register (read-only). + * @imsr: HEART_IMSR - purpose unknown. + * @cause: HEART_CAUSE - HEART cause information. + * @__pad2: 0xffb8 bytes of padding -> next HEART register 0x20000. + * @count: HEART_COUNT - 52-bit counter. + * @__pad3: 0xfff8 bytes of padding -> next HEART register 0x30000. + * @compare: HEART_COMPARE - 24-bit compare. + * @__pad4: 0xfff8 bytes of padding -> next HEART register 0x40000. + * @trigger: HEART_TRIGGER - purpose unknown. + * @__pad5: 0xfff8 bytes of padding -> next HEART register 0x50000. + * @cpuid: HEART_PRID - contains CPU ID of CPU currently accessing HEART. + * @__pad6: 0xfff8 bytes of padding -> next HEART register 0x60000. + * @sync: HEART_SYNC - purpose unknown. + * + * HEART is the main system controller ASIC for IP30 system. It incorporates + * a memory controller, interrupt status/cause/set/clear management, basic + * timer with count/compare, and other functionality. For Linux, not all of + * HEART's functions are fully understood. + * + * Implementation note: All HEART registers are 64bits-wide, but the mem_cfg + * register only reports correct values if queried in 32bits. Hence the need + * for a union. Even though mem_cfg.l has 8 array slots, we only ever query + * up to 4 of those. IP30 has 8 DIMM slots arranged into 4 banks, w/ 2 DIMMs + * per bank. Each 32bit read accesses one of these banks. Perhaps HEART was + * designed to address up to 8 banks (16 DIMMs)? We may never know. + */ +struct ip30_heart_regs { /* 0x0ff00000 */ + u64 mode; /* + 0x00000 */ + /* Memory */ + u64 sdram_mode; /* + 0x00008 */ + u64 mem_refresh; /* + 0x00010 */ + u64 mem_req_arb; /* + 0x00018 */ + union { + u64 q[HEART_MEMORY_BANKS]; /* readq() */ + u32 l[HEART_MEMORY_BANKS * 2]; /* readl() */ + } mem_cfg; /* + 0x00020 */ + /* Flow control (gfx?) */ + u64 fc_mode; /* + 0x00040 */ + u64 fc_timer_limit; /* + 0x00048 */ + u64 fc_addr[2]; /* + 0x00050 */ + u64 fc_credit_cnt[2]; /* + 0x00060 */ + u64 fc_timer[2]; /* + 0x00070 */ + /* Status */ + u64 status; /* + 0x00080 */ + /* Bus error */ + u64 bus_err_addr; /* + 0x00088 */ + u64 bus_err_misc; /* + 0x00090 */ + /* Memory error */ + u64 mem_err_addr; /* + 0x00098 */ + u64 mem_err_data; /* + 0x000a0 */ + /* Misc */ + u64 piur_acc_err; /* + 0x000a8 */ + u64 mlan_clock_div; /* + 0x000b0 */ + u64 mlan_ctrl; /* + 0x000b8 */ + u64 __pad0[0x01e8]; /* + 0x000c0 + 0x0f40 */ + /* Undefined */ + u64 undefined; /* + 0x01000 */ + u64 __pad1[0x1dff]; /* + 0x01008 + 0xeff8 */ + /* Interrupts */ + u64 imr[HEART_MAX_CPUS]; /* + 0x10000 */ + u64 set_isr; /* + 0x10020 */ + u64 clear_isr; /* + 0x10028 */ + u64 isr; /* + 0x10030 */ + u64 imsr; /* + 0x10038 */ + u64 cause; /* + 0x10040 */ + u64 __pad2[0x1ff7]; /* + 0x10048 + 0xffb8 */ + /* Timer */ + u64 count; /* + 0x20000 */ + u64 __pad3[0x1fff]; /* + 0x20008 + 0xfff8 */ + u64 compare; /* + 0x30000 */ + u64 __pad4[0x1fff]; /* + 0x30008 + 0xfff8 */ + u64 trigger; /* + 0x40000 */ + u64 __pad5[0x1fff]; /* + 0x40008 + 0xfff8 */ + /* Misc */ + u64 cpuid; /* + 0x50000 */ + u64 __pad6[0x1fff]; /* + 0x50008 + 0xfff8 */ + u64 sync; /* + 0x60000 */ +}; + + +/* For timer-related bits. */ +#define HEART_NS_PER_CYCLE 80 +#define HEART_CYCLES_PER_SEC (NSEC_PER_SEC / HEART_NS_PER_CYCLE) + + +/* + * XXX: Everything below this comment will either go away or be cleaned + * up to fit in better with Linux. A lot of the bit definitions for + * HEART were derived from IRIX's sys/RACER/heart.h header file. + */ + +/* HEART Masks */ +#define HEART_ATK_MASK 0x0007ffffffffffff /* HEART attack mask */ +#define HEART_ACK_ALL_MASK 0xffffffffffffffff /* Ack everything */ +#define HEART_CLR_ALL_MASK 0x0000000000000000 /* Clear all */ +#define HEART_BR_ERR_MASK 0x7ff8000000000000 /* BRIDGE error mask */ +#define HEART_CPU0_ERR_MASK 0x8ff8000000000000 /* CPU0 error mask */ +#define HEART_CPU1_ERR_MASK 0x97f8000000000000 /* CPU1 error mask */ +#define HEART_CPU2_ERR_MASK 0xa7f8000000000000 /* CPU2 error mask */ +#define HEART_CPU3_ERR_MASK 0xc7f8000000000000 /* CPU3 error mask */ +#define HEART_ERR_MASK 0x1ff /* HEART error mask */ +#define HEART_ERR_MASK_START 51 /* HEART error start */ +#define HEART_ERR_MASK_END 63 /* HEART error end */ + +/* Bits in the HEART_MODE register. */ +#define HM_PROC_DISABLE_SHFT 60 +#define HM_PROC_DISABLE_MSK (0xfUL << HM_PROC_DISABLE_SHFT) +#define HM_PROC_DISABLE(x) (0x1UL << (x) + HM_PROC_DISABLE_SHFT) +#define HM_MAX_PSR (0x7UL << 57) +#define HM_MAX_IOSR (0x7UL << 54) +#define HM_MAX_PEND_IOSR (0x7UL << 51) +#define HM_TRIG_SRC_SEL_MSK (0x7UL << 48) +#define HM_TRIG_HEART_EXC (0x0UL << 48) +#define HM_TRIG_REG_BIT (0x1UL << 48) +#define HM_TRIG_SYSCLK (0x2UL << 48) +#define HM_TRIG_MEMCLK_2X (0x3UL << 48) +#define HM_TRIG_MEMCLK (0x4UL << 48) +#define HM_TRIG_IOCLK (0x5UL << 48) +#define HM_PIU_TEST_MODE (0xfUL << 40) +#define HM_GP_FLAG_MSK (0xfUL << 36) +#define HM_GP_FLAG(x) BIT((x) + 36) +#define HM_MAX_PROC_HYST (0xfUL << 32) +#define HM_LLP_WRST_AFTER_RST BIT(28) +#define HM_LLP_LINK_RST BIT(27) +#define HM_LLP_WARM_RST BIT(26) +#define HM_COR_ECC_LCK BIT(25) +#define HM_REDUCED_PWR BIT(24) +#define HM_COLD_RST BIT(23) +#define HM_SW_RST BIT(22) +#define HM_MEM_FORCE_WR BIT(21) +#define HM_DB_ERR_GEN BIT(20) +#define HM_SB_ERR_GEN BIT(19) +#define HM_CACHED_PIO_EN BIT(18) +#define HM_CACHED_PROM_EN BIT(17) +#define HM_PE_SYS_COR_ERE BIT(16) +#define HM_GLOBAL_ECC_EN BIT(15) +#define HM_IO_COH_EN BIT(14) +#define HM_INT_EN BIT(13) +#define HM_DATA_CHK_EN BIT(12) +#define HM_REF_EN BIT(11) +#define HM_BAD_SYSWR_ERE BIT(10) +#define HM_BAD_SYSRD_ERE BIT(9) +#define HM_SYSSTATE_ERE BIT(8) +#define HM_SYSCMD_ERE BIT(7) +#define HM_NCOR_SYS_ERE BIT(6) +#define HM_COR_SYS_ERE BIT(5) +#define HM_DATA_ELMNT_ERE BIT(4) +#define HM_MEM_ADDR_PROC_ERE BIT(3) +#define HM_MEM_ADDR_IO_ERE BIT(2) +#define HM_NCOR_MEM_ERE BIT(1) +#define HM_COR_MEM_ERE BIT(0) + +/* Bits in the HEART_MEM_REF register. */ +#define HEART_MEMREF_REFS(x) ((0xfUL & (x)) << 16) +#define HEART_MEMREF_PERIOD(x) ((0xffffUL & (x))) +#define HEART_MEMREF_REFS_VAL HEART_MEMREF_REFS(8) +#define HEART_MEMREF_PERIOD_VAL HEART_MEMREF_PERIOD(0x4000) +#define HEART_MEMREF_VAL (HEART_MEMREF_REFS_VAL | \ + HEART_MEMREF_PERIOD_VAL) + +/* Bits in the HEART_MEM_REQ_ARB register. */ +#define HEART_MEMARB_IODIS (1 << 20) +#define HEART_MEMARB_MAXPMWRQS (15 << 16) +#define HEART_MEMARB_MAXPMRRQS (15 << 12) +#define HEART_MEMARB_MAXPMRQS (15 << 8) +#define HEART_MEMARB_MAXRRRQS (15 << 4) +#define HEART_MEMARB_MAXGBRRQS (15) + +/* Bits in the HEART_MEMCFG<x> registers. */ +#define HEART_MEMCFG_VALID 0x80000000 /* Bank is valid */ +#define HEART_MEMCFG_DENSITY 0x01c00000 /* Mem density */ +#define HEART_MEMCFG_SIZE_MASK 0x003f0000 /* Mem size mask */ +#define HEART_MEMCFG_ADDR_MASK 0x000001ff /* Base addr mask */ +#define HEART_MEMCFG_SIZE_SHIFT 16 /* Mem size shift */ +#define HEART_MEMCFG_DENSITY_SHIFT 22 /* Density Shift */ +#define HEART_MEMCFG_UNIT_SHIFT 25 /* Unit Shift, 32MB */ + +/* Bits in the HEART_STATUS register */ +#define HEART_STAT_HSTL_SDRV BIT(14) +#define HEART_STAT_FC_CR_OUT(x) BIT((x) + 12) +#define HEART_STAT_DIR_CNNCT BIT(11) +#define HEART_STAT_TRITON BIT(10) +#define HEART_STAT_R4K BIT(9) +#define HEART_STAT_BIG_ENDIAN BIT(8) +#define HEART_STAT_PROC_SHFT 4 +#define HEART_STAT_PROC_MSK (0xfUL << HEART_STAT_PROC_SHFT) +#define HEART_STAT_PROC_ACTIVE(x) (0x1UL << ((x) + HEART_STAT_PROC_SHFT)) +#define HEART_STAT_WIDGET_ID 0xf + +/* Bits in the HEART_CAUSE register */ +#define HC_PE_SYS_COR_ERR_MSK (0xfUL << 60) +#define HC_PE_SYS_COR_ERR(x) BIT((x) + 60) +#define HC_PIOWDB_OFLOW BIT(44) +#define HC_PIORWRB_OFLOW BIT(43) +#define HC_PIUR_ACC_ERR BIT(42) +#define HC_BAD_SYSWR_ERR BIT(41) +#define HC_BAD_SYSRD_ERR BIT(40) +#define HC_SYSSTATE_ERR_MSK (0xfUL << 36) +#define HC_SYSSTATE_ERR(x) BIT((x) + 36) +#define HC_SYSCMD_ERR_MSK (0xfUL << 32) +#define HC_SYSCMD_ERR(x) BIT((x) + 32) +#define HC_NCOR_SYSAD_ERR_MSK (0xfUL << 28) +#define HC_NCOR_SYSAD_ERR(x) BIT((x) + 28) +#define HC_COR_SYSAD_ERR_MSK (0xfUL << 24) +#define HC_COR_SYSAD_ERR(x) BIT((x) + 24) +#define HC_DATA_ELMNT_ERR_MSK (0xfUL << 20) +#define HC_DATA_ELMNT_ERR(x) BIT((x) + 20) +#define HC_WIDGET_ERR BIT(16) +#define HC_MEM_ADDR_ERR_PROC_MSK (0xfUL << 4) +#define HC_MEM_ADDR_ERR_PROC(x) BIT((x) + 4) +#define HC_MEM_ADDR_ERR_IO BIT(2) +#define HC_NCOR_MEM_ERR BIT(1) +#define HC_COR_MEM_ERR BIT(0) + +/* + * HEART has 64 interrupt vectors available to it, subdivided into five + * priority levels. They are numbered 0 to 63. + */ +#define HEART_NUM_IRQS 64 + +/* + * These are the five interrupt priority levels and their corresponding + * CPU IPx interrupt pins. + * + * Level 4 - Error Interrupts. + * Level 3 - HEART timer interrupt. + * Level 2 - CPU IPI, CPU debug, power putton, general device interrupts. + * Level 1 - General device interrupts. + * Level 0 - General device GFX flow control interrupts. + */ +#define HEART_L4_INT_MASK 0xfff8000000000000ULL /* IP6 */ +#define HEART_L3_INT_MASK 0x0004000000000000ULL /* IP5 */ +#define HEART_L2_INT_MASK 0x0003ffff00000000ULL /* IP4 */ +#define HEART_L1_INT_MASK 0x00000000ffff0000ULL /* IP3 */ +#define HEART_L0_INT_MASK 0x000000000000ffffULL /* IP2 */ + +/* HEART L0 Interrupts (Low Priority) */ +#define HEART_L0_INT_GENERIC 0 +#define HEART_L0_INT_FLOW_CTRL_HWTR_0 1 +#define HEART_L0_INT_FLOW_CTRL_HWTR_1 2 + +/* HEART L2 Interrupts (High Priority) */ +#define HEART_L2_INT_RESCHED_CPU_0 46 +#define HEART_L2_INT_RESCHED_CPU_1 47 +#define HEART_L2_INT_CALL_CPU_0 48 +#define HEART_L2_INT_CALL_CPU_1 49 + +/* HEART L3 Interrupts (Compare/Counter Timer) */ +#define HEART_L3_INT_TIMER 50 + +/* HEART L4 Interrupts (Errors) */ +#define HEART_L4_INT_XWID_ERR_9 51 +#define HEART_L4_INT_XWID_ERR_A 52 +#define HEART_L4_INT_XWID_ERR_B 53 +#define HEART_L4_INT_XWID_ERR_C 54 +#define HEART_L4_INT_XWID_ERR_D 55 +#define HEART_L4_INT_XWID_ERR_E 56 +#define HEART_L4_INT_XWID_ERR_F 57 +#define HEART_L4_INT_XWID_ERR_XBOW 58 +#define HEART_L4_INT_CPU_BUS_ERR_0 59 +#define HEART_L4_INT_CPU_BUS_ERR_1 60 +#define HEART_L4_INT_CPU_BUS_ERR_2 61 +#define HEART_L4_INT_CPU_BUS_ERR_3 62 +#define HEART_L4_INT_HEART_EXCP 63 + +extern struct ip30_heart_regs __iomem *heart_regs; + +#define heart_read ____raw_readq +#define heart_write ____raw_writeq + +#endif /* __ASM_SGI_HEART_H */ diff --git a/arch/mips/include/asm/sgi/hpc3.h b/arch/mips/include/asm/sgi/hpc3.h new file mode 100644 index 000000000..c0e3dc029 --- /dev/null +++ b/arch/mips/include/asm/sgi/hpc3.h @@ -0,0 +1,317 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * hpc3.h: Definitions for SGI HPC3 controller + * + * Copyright (C) 1996 David S. Miller + * Copyright (C) 1998 Ralf Baechle + */ + +#ifndef _SGI_HPC3_H +#define _SGI_HPC3_H + +#include <linux/types.h> +#include <asm/page.h> + +/* An HPC DMA descriptor. */ +struct hpc_dma_desc { + u32 pbuf; /* physical address of data buffer */ + u32 cntinfo; /* counter and info bits */ +#define HPCDMA_EOX 0x80000000 /* last desc in chain for tx */ +#define HPCDMA_EOR 0x80000000 /* last desc in chain for rx */ +#define HPCDMA_EOXP 0x40000000 /* end of packet for tx */ +#define HPCDMA_EORP 0x40000000 /* end of packet for rx */ +#define HPCDMA_XIE 0x20000000 /* irq generated when at end of this desc */ +#define HPCDMA_XIU 0x01000000 /* Tx buffer in use by CPU. */ +#define HPCDMA_EIPC 0x00ff0000 /* SEEQ ethernet special xternal bytecount */ +#define HPCDMA_ETXD 0x00008000 /* set to one by HPC when packet tx'd */ +#define HPCDMA_OWN 0x00004000 /* Denotes ring buffer ownership on rx */ +#define HPCDMA_BCNT 0x00003fff /* size in bytes of this dma buffer */ + + u32 pnext; /* paddr of next hpc_dma_desc if any */ +}; + +/* The set of regs for each HPC3 PBUS DMA channel. */ +struct hpc3_pbus_dmacregs { + volatile u32 pbdma_bptr; /* pbus dma channel buffer ptr */ + volatile u32 pbdma_dptr; /* pbus dma channel desc ptr */ + u32 _unused0[0x1000/4 - 2]; /* padding */ + volatile u32 pbdma_ctrl; /* pbus dma channel control register has + * completely different meaning for read + * compared with write */ + /* read */ +#define HPC3_PDMACTRL_INT 0x00000001 /* interrupt (cleared after read) */ +#define HPC3_PDMACTRL_ISACT 0x00000002 /* channel active */ + /* write */ +#define HPC3_PDMACTRL_SEL 0x00000002 /* little endian transfer */ +#define HPC3_PDMACTRL_RCV 0x00000004 /* direction is receive */ +#define HPC3_PDMACTRL_FLSH 0x00000008 /* enable flush for receive DMA */ +#define HPC3_PDMACTRL_ACT 0x00000010 /* start dma transfer */ +#define HPC3_PDMACTRL_LD 0x00000020 /* load enable for ACT */ +#define HPC3_PDMACTRL_RT 0x00000040 /* Use realtime GIO bus servicing */ +#define HPC3_PDMACTRL_HW 0x0000ff00 /* DMA High-water mark */ +#define HPC3_PDMACTRL_FB 0x003f0000 /* Ptr to beginning of fifo */ +#define HPC3_PDMACTRL_FE 0x3f000000 /* Ptr to end of fifo */ + + u32 _unused1[0x1000/4 - 1]; /* padding */ +}; + +/* The HPC3 SCSI registers, this does not include external ones. */ +struct hpc3_scsiregs { + volatile u32 cbptr; /* current dma buffer ptr, diagnostic use only */ + volatile u32 ndptr; /* next dma descriptor ptr */ + u32 _unused0[0x1000/4 - 2]; /* padding */ + volatile u32 bcd; /* byte count info */ +#define HPC3_SBCD_BCNTMSK 0x00003fff /* bytes to transfer from/to memory */ +#define HPC3_SBCD_XIE 0x00004000 /* Send IRQ when done with cur buf */ +#define HPC3_SBCD_EOX 0x00008000 /* Indicates this is last buf in chain */ + + volatile u32 ctrl; /* control register */ +#define HPC3_SCTRL_IRQ 0x01 /* IRQ asserted, either dma done or parity */ +#define HPC3_SCTRL_ENDIAN 0x02 /* DMA endian mode, 0=big 1=little */ +#define HPC3_SCTRL_DIR 0x04 /* DMA direction, 1=dev2mem 0=mem2dev */ +#define HPC3_SCTRL_FLUSH 0x08 /* Tells HPC3 to flush scsi fifos */ +#define HPC3_SCTRL_ACTIVE 0x10 /* SCSI DMA channel is active */ +#define HPC3_SCTRL_AMASK 0x20 /* DMA active inhibits PIO */ +#define HPC3_SCTRL_CRESET 0x40 /* Resets dma channel and external controller */ +#define HPC3_SCTRL_PERR 0x80 /* Bad parity on HPC3 iface to scsi controller */ + + volatile u32 gfptr; /* current GIO fifo ptr */ + volatile u32 dfptr; /* current device fifo ptr */ + volatile u32 dconfig; /* DMA configuration register */ +#define HPC3_SDCFG_HCLK 0x00001 /* Enable DMA half clock mode */ +#define HPC3_SDCFG_D1 0x00006 /* Cycles to spend in D1 state */ +#define HPC3_SDCFG_D2 0x00038 /* Cycles to spend in D2 state */ +#define HPC3_SDCFG_D3 0x001c0 /* Cycles to spend in D3 state */ +#define HPC3_SDCFG_HWAT 0x00e00 /* DMA high water mark */ +#define HPC3_SDCFG_HW 0x01000 /* Enable 16-bit halfword DMA accesses to scsi */ +#define HPC3_SDCFG_SWAP 0x02000 /* Byte swap all DMA accesses */ +#define HPC3_SDCFG_EPAR 0x04000 /* Enable parity checking for DMA */ +#define HPC3_SDCFG_POLL 0x08000 /* hd_dreq polarity control */ +#define HPC3_SDCFG_ERLY 0x30000 /* hd_dreq behavior control bits */ + + volatile u32 pconfig; /* PIO configuration register */ +#define HPC3_SPCFG_P3 0x0003 /* Cycles to spend in P3 state */ +#define HPC3_SPCFG_P2W 0x001c /* Cycles to spend in P2 state for writes */ +#define HPC3_SPCFG_P2R 0x01e0 /* Cycles to spend in P2 state for reads */ +#define HPC3_SPCFG_P1 0x0e00 /* Cycles to spend in P1 state */ +#define HPC3_SPCFG_HW 0x1000 /* Enable 16-bit halfword PIO accesses to scsi */ +#define HPC3_SPCFG_SWAP 0x2000 /* Byte swap all PIO accesses */ +#define HPC3_SPCFG_EPAR 0x4000 /* Enable parity checking for PIO */ +#define HPC3_SPCFG_FUJI 0x8000 /* Fujitsu scsi controller mode for faster dma/pio */ + + u32 _unused1[0x1000/4 - 6]; /* padding */ +}; + +/* SEEQ ethernet HPC3 registers, only one seeq per HPC3. */ +struct hpc3_ethregs { + /* Receiver registers. */ + volatile u32 rx_cbptr; /* current dma buffer ptr, diagnostic use only */ + volatile u32 rx_ndptr; /* next dma descriptor ptr */ + u32 _unused0[0x1000/4 - 2]; /* padding */ + volatile u32 rx_bcd; /* byte count info */ +#define HPC3_ERXBCD_BCNTMSK 0x00003fff /* bytes to be sent to memory */ +#define HPC3_ERXBCD_XIE 0x20000000 /* HPC3 interrupts cpu at end of this buf */ +#define HPC3_ERXBCD_EOX 0x80000000 /* flags this as end of descriptor chain */ + + volatile u32 rx_ctrl; /* control register */ +#define HPC3_ERXCTRL_STAT50 0x0000003f /* Receive status reg bits of Seeq8003 */ +#define HPC3_ERXCTRL_STAT6 0x00000040 /* Rdonly irq status */ +#define HPC3_ERXCTRL_STAT7 0x00000080 /* Rdonlt old/new status bit from Seeq */ +#define HPC3_ERXCTRL_ENDIAN 0x00000100 /* Endian for dma channel, little=1 big=0 */ +#define HPC3_ERXCTRL_ACTIVE 0x00000200 /* Tells if DMA transfer is in progress */ +#define HPC3_ERXCTRL_AMASK 0x00000400 /* Tells if ACTIVE inhibits PIO's to hpc3 */ +#define HPC3_ERXCTRL_RBO 0x00000800 /* Receive buffer overflow if set to 1 */ + + volatile u32 rx_gfptr; /* current GIO fifo ptr */ + volatile u32 rx_dfptr; /* current device fifo ptr */ + u32 _unused1; /* padding */ + volatile u32 reset; /* reset register */ +#define HPC3_ERST_CRESET 0x1 /* Reset dma channel and external controller */ +#define HPC3_ERST_CLRIRQ 0x2 /* Clear channel interrupt */ +#define HPC3_ERST_LBACK 0x4 /* Enable diagnostic loopback mode of Seeq8003 */ + + volatile u32 dconfig; /* DMA configuration register */ +#define HPC3_EDCFG_D1 0x0000f /* Cycles to spend in D1 state for PIO */ +#define HPC3_EDCFG_D2 0x000f0 /* Cycles to spend in D2 state for PIO */ +#define HPC3_EDCFG_D3 0x00f00 /* Cycles to spend in D3 state for PIO */ +#define HPC3_EDCFG_WCTRL 0x01000 /* Enable writes of desc into ex ctrl port */ +#define HPC3_EDCFG_FRXDC 0x02000 /* Clear eop stat bits upon rxdc, hw seeq fix */ +#define HPC3_EDCFG_FEOP 0x04000 /* Bad packet marker timeout enable */ +#define HPC3_EDCFG_FIRQ 0x08000 /* Another bad packet timeout enable */ +#define HPC3_EDCFG_PTO 0x30000 /* Programmed timeout value for above two */ + + volatile u32 pconfig; /* PIO configuration register */ +#define HPC3_EPCFG_P1 0x000f /* Cycles to spend in P1 state for PIO */ +#define HPC3_EPCFG_P2 0x00f0 /* Cycles to spend in P2 state for PIO */ +#define HPC3_EPCFG_P3 0x0f00 /* Cycles to spend in P3 state for PIO */ +#define HPC3_EPCFG_TST 0x1000 /* Diagnostic ram test feature bit */ + + u32 _unused2[0x1000/4 - 8]; /* padding */ + + /* Transmitter registers. */ + volatile u32 tx_cbptr; /* current dma buffer ptr, diagnostic use only */ + volatile u32 tx_ndptr; /* next dma descriptor ptr */ + u32 _unused3[0x1000/4 - 2]; /* padding */ + volatile u32 tx_bcd; /* byte count info */ +#define HPC3_ETXBCD_BCNTMSK 0x00003fff /* bytes to be read from memory */ +#define HPC3_ETXBCD_ESAMP 0x10000000 /* if set, too late to add descriptor */ +#define HPC3_ETXBCD_XIE 0x20000000 /* Interrupt cpu at end of cur desc */ +#define HPC3_ETXBCD_EOP 0x40000000 /* Last byte of cur buf is end of packet */ +#define HPC3_ETXBCD_EOX 0x80000000 /* This buf is the end of desc chain */ + + volatile u32 tx_ctrl; /* control register */ +#define HPC3_ETXCTRL_STAT30 0x0000000f /* Rdonly copy of seeq tx stat reg */ +#define HPC3_ETXCTRL_STAT4 0x00000010 /* Indicate late collision occurred */ +#define HPC3_ETXCTRL_STAT75 0x000000e0 /* Rdonly irq status from seeq */ +#define HPC3_ETXCTRL_ENDIAN 0x00000100 /* DMA channel endian mode, 1=little 0=big */ +#define HPC3_ETXCTRL_ACTIVE 0x00000200 /* DMA tx channel is active */ +#define HPC3_ETXCTRL_AMASK 0x00000400 /* Indicates ACTIVE inhibits PIO's */ + + volatile u32 tx_gfptr; /* current GIO fifo ptr */ + volatile u32 tx_dfptr; /* current device fifo ptr */ + u32 _unused4[0x1000/4 - 4]; /* padding */ +}; + +struct hpc3_regs { + /* First regs for the PBUS 8 dma channels. */ + struct hpc3_pbus_dmacregs pbdma[8]; + + /* Now the HPC scsi registers, we get two scsi reg sets. */ + struct hpc3_scsiregs scsi_chan0, scsi_chan1; + + /* The SEEQ hpc3 ethernet dma/control registers. */ + struct hpc3_ethregs ethregs; + + /* Here are where the hpc3 fifo's can be directly accessed + * via PIO accesses. Under normal operation we never stick + * our grubby paws in here so it's just padding. */ + u32 _unused0[0x18000/4]; + + /* HPC3 irq status regs. Due to a peculiar bug you need to + * look at two different register addresses to get at all of + * the status bits. The first reg can only reliably report + * bits 4:0 of the status, and the second reg can only + * reliably report bits 9:5 of the hpc3 irq status. I told + * you it was a peculiar bug. ;-) + */ + volatile u32 istat0; /* Irq status, only bits <4:0> reliable. */ +#define HPC3_ISTAT_PBIMASK 0x0ff /* irq bits for pbus devs 0 --> 7 */ +#define HPC3_ISTAT_SC0MASK 0x100 /* irq bit for scsi channel 0 */ +#define HPC3_ISTAT_SC1MASK 0x200 /* irq bit for scsi channel 1 */ + + volatile u32 gio_misc; /* GIO misc control bits. */ +#define HPC3_GIOMISC_ERTIME 0x1 /* Enable external timer real time. */ +#define HPC3_GIOMISC_DENDIAN 0x2 /* dma descriptor endian, 1=lit 0=big */ + + u32 eeprom; /* EEPROM data reg. */ +#define HPC3_EEPROM_EPROT 0x01 /* Protect register enable */ +#define HPC3_EEPROM_CSEL 0x02 /* Chip select */ +#define HPC3_EEPROM_ECLK 0x04 /* EEPROM clock */ +#define HPC3_EEPROM_DATO 0x08 /* Data out */ +#define HPC3_EEPROM_DATI 0x10 /* Data in */ + + volatile u32 istat1; /* Irq status, only bits <9:5> reliable. */ + volatile u32 bestat; /* Bus error interrupt status reg. */ +#define HPC3_BESTAT_BLMASK 0x000ff /* Bus lane where bad parity occurred */ +#define HPC3_BESTAT_CTYPE 0x00100 /* Bus cycle type, 0=PIO 1=DMA */ +#define HPC3_BESTAT_PIDSHIFT 9 +#define HPC3_BESTAT_PIDMASK 0x3f700 /* DMA channel parity identifier */ + + u32 _unused1[0x14000/4 - 5]; /* padding */ + + /* Now direct PIO per-HPC3 peripheral access to external regs. */ + volatile u32 scsi0_ext[256]; /* SCSI channel 0 external regs */ + u32 _unused2[0x7c00/4]; + volatile u32 scsi1_ext[256]; /* SCSI channel 1 external regs */ + u32 _unused3[0x7c00/4]; + volatile u32 eth_ext[320]; /* Ethernet external registers */ + u32 _unused4[0x3b00/4]; + + /* Per-peripheral device external registers and DMA/PIO control. */ + volatile u32 pbus_extregs[16][256]; + volatile u32 pbus_dmacfg[8][128]; + /* Cycles to spend in D3 for reads */ +#define HPC3_DMACFG_D3R_MASK 0x00000001 +#define HPC3_DMACFG_D3R_SHIFT 0 + /* Cycles to spend in D4 for reads */ +#define HPC3_DMACFG_D4R_MASK 0x0000001e +#define HPC3_DMACFG_D4R_SHIFT 1 + /* Cycles to spend in D5 for reads */ +#define HPC3_DMACFG_D5R_MASK 0x000001e0 +#define HPC3_DMACFG_D5R_SHIFT 5 + /* Cycles to spend in D3 for writes */ +#define HPC3_DMACFG_D3W_MASK 0x00000200 +#define HPC3_DMACFG_D3W_SHIFT 9 + /* Cycles to spend in D4 for writes */ +#define HPC3_DMACFG_D4W_MASK 0x00003c00 +#define HPC3_DMACFG_D4W_SHIFT 10 + /* Cycles to spend in D5 for writes */ +#define HPC3_DMACFG_D5W_MASK 0x0003c000 +#define HPC3_DMACFG_D5W_SHIFT 14 + /* Enable 16-bit DMA access mode */ +#define HPC3_DMACFG_DS16 0x00040000 + /* Places halfwords on high 16 bits of bus */ +#define HPC3_DMACFG_EVENHI 0x00080000 + /* Make this device real time */ +#define HPC3_DMACFG_RTIME 0x00200000 + /* 5 bit burst count for DMA device */ +#define HPC3_DMACFG_BURST_MASK 0x07c00000 +#define HPC3_DMACFG_BURST_SHIFT 22 + /* Use live pbus_dreq unsynchronized signal */ +#define HPC3_DMACFG_DRQLIVE 0x08000000 + volatile u32 pbus_piocfg[16][64]; + /* Cycles to spend in P2 state for reads */ +#define HPC3_PIOCFG_P2R_MASK 0x00001 +#define HPC3_PIOCFG_P2R_SHIFT 0 + /* Cycles to spend in P3 state for reads */ +#define HPC3_PIOCFG_P3R_MASK 0x0001e +#define HPC3_PIOCFG_P3R_SHIFT 1 + /* Cycles to spend in P4 state for reads */ +#define HPC3_PIOCFG_P4R_MASK 0x001e0 +#define HPC3_PIOCFG_P4R_SHIFT 5 + /* Cycles to spend in P2 state for writes */ +#define HPC3_PIOCFG_P2W_MASK 0x00200 +#define HPC3_PIOCFG_P2W_SHIFT 9 + /* Cycles to spend in P3 state for writes */ +#define HPC3_PIOCFG_P3W_MASK 0x03c00 +#define HPC3_PIOCFG_P3W_SHIFT 10 + /* Cycles to spend in P4 state for writes */ +#define HPC3_PIOCFG_P4W_MASK 0x3c000 +#define HPC3_PIOCFG_P4W_SHIFT 14 + /* Enable 16-bit PIO accesses */ +#define HPC3_PIOCFG_DS16 0x40000 + /* Place even address bits in bits <15:8> */ +#define HPC3_PIOCFG_EVENHI 0x80000 + + /* PBUS PROM control regs. */ + volatile u32 pbus_promwe; /* PROM write enable register */ +#define HPC3_PROM_WENAB 0x1 /* Enable writes to the PROM */ + + u32 _unused5[0x0800/4 - 1]; + volatile u32 pbus_promswap; /* Chip select swap reg */ +#define HPC3_PROM_SWAP 0x1 /* invert GIO addr bit to select prom0 or prom1 */ + + u32 _unused6[0x0800/4 - 1]; + volatile u32 pbus_gout; /* PROM general purpose output reg */ +#define HPC3_PROM_STAT 0x1 /* General purpose status bit in gout */ + + u32 _unused7[0x1000/4 - 1]; + volatile u32 rtcregs[14]; /* Dallas clock registers */ + u32 _unused8[50]; + volatile u32 bbram[8192-50-14]; /* Battery backed ram */ +}; + +/* + * It is possible to have two HPC3's within the address space on + * one machine, though only having one is more likely on an Indy. + */ +extern struct hpc3_regs *hpc3c0, *hpc3c1; +#define HPC3_CHIP0_BASE 0x1fb80000 /* physical */ +#define HPC3_CHIP1_BASE 0x1fb00000 /* physical */ + +extern void sgihpc_init(void); + +#endif /* _SGI_HPC3_H */ diff --git a/arch/mips/include/asm/sgi/ioc.h b/arch/mips/include/asm/sgi/ioc.h new file mode 100644 index 000000000..53c6b1ca6 --- /dev/null +++ b/arch/mips/include/asm/sgi/ioc.h @@ -0,0 +1,200 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * ioc.h: Definitions for SGI I/O Controller + * + * Copyright (C) 1996 David S. Miller + * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle + * Copyright (C) 2001, 2003 Ladislav Michl + */ + +#ifndef _SGI_IOC_H +#define _SGI_IOC_H + +#include <linux/types.h> +#include <asm/sgi/pi1.h> + +/* + * All registers are 8-bit wide aligned on 32-bit boundary. Bad things + * happen if you try word access them. You have been warned. + */ + +struct sgioc_uart_regs { + u8 _ctrl1[3]; + volatile u8 ctrl1; + u8 _data1[3]; + volatile u8 data1; + u8 _ctrl2[3]; + volatile u8 ctrl2; + u8 _data2[3]; + volatile u8 data2; +}; + +struct sgioc_keyb_regs { + u8 _data[3]; + volatile u8 data; + u8 _command[3]; + volatile u8 command; +}; + +struct sgint_regs { + u8 _istat0[3]; + volatile u8 istat0; /* Interrupt status zero */ +#define SGINT_ISTAT0_FFULL 0x01 +#define SGINT_ISTAT0_SCSI0 0x02 +#define SGINT_ISTAT0_SCSI1 0x04 +#define SGINT_ISTAT0_ENET 0x08 +#define SGINT_ISTAT0_GFXDMA 0x10 +#define SGINT_ISTAT0_PPORT 0x20 +#define SGINT_ISTAT0_HPC2 0x40 +#define SGINT_ISTAT0_LIO2 0x80 + u8 _imask0[3]; + volatile u8 imask0; /* Interrupt mask zero */ + u8 _istat1[3]; + volatile u8 istat1; /* Interrupt status one */ +#define SGINT_ISTAT1_ISDNI 0x01 +#define SGINT_ISTAT1_PWR 0x02 +#define SGINT_ISTAT1_ISDNH 0x04 +#define SGINT_ISTAT1_LIO3 0x08 +#define SGINT_ISTAT1_HPC3 0x10 +#define SGINT_ISTAT1_AFAIL 0x20 +#define SGINT_ISTAT1_VIDEO 0x40 +#define SGINT_ISTAT1_GIO2 0x80 + u8 _imask1[3]; + volatile u8 imask1; /* Interrupt mask one */ + u8 _vmeistat[3]; + volatile u8 vmeistat; /* VME interrupt status */ + u8 _cmeimask0[3]; + volatile u8 cmeimask0; /* VME interrupt mask zero */ + u8 _cmeimask1[3]; + volatile u8 cmeimask1; /* VME interrupt mask one */ + u8 _cmepol[3]; + volatile u8 cmepol; /* VME polarity */ + u8 _tclear[3]; + volatile u8 tclear; + u8 _errstat[3]; + volatile u8 errstat; /* Error status reg, reserved on INT2 */ + u32 _unused0[2]; + u8 _tcnt0[3]; + volatile u8 tcnt0; /* counter 0 */ + u8 _tcnt1[3]; + volatile u8 tcnt1; /* counter 1 */ + u8 _tcnt2[3]; + volatile u8 tcnt2; /* counter 2 */ + u8 _tcword[3]; + volatile u8 tcword; /* control word */ +#define SGINT_TCWORD_BCD 0x01 /* Use BCD mode for counters */ +#define SGINT_TCWORD_MMASK 0x0e /* Mode bitmask. */ +#define SGINT_TCWORD_MITC 0x00 /* IRQ on terminal count (doesn't work) */ +#define SGINT_TCWORD_MOS 0x02 /* One-shot IRQ mode. */ +#define SGINT_TCWORD_MRGEN 0x04 /* Normal rate generation */ +#define SGINT_TCWORD_MSWGEN 0x06 /* Square wave generator mode */ +#define SGINT_TCWORD_MSWST 0x08 /* Software strobe */ +#define SGINT_TCWORD_MHWST 0x0a /* Hardware strobe */ +#define SGINT_TCWORD_CMASK 0x30 /* Command mask */ +#define SGINT_TCWORD_CLAT 0x00 /* Latch command */ +#define SGINT_TCWORD_CLSB 0x10 /* LSB read/write */ +#define SGINT_TCWORD_CMSB 0x20 /* MSB read/write */ +#define SGINT_TCWORD_CALL 0x30 /* Full counter read/write */ +#define SGINT_TCWORD_CNT0 0x00 /* Select counter zero */ +#define SGINT_TCWORD_CNT1 0x40 /* Select counter one */ +#define SGINT_TCWORD_CNT2 0x80 /* Select counter two */ +#define SGINT_TCWORD_CRBCK 0xc0 /* Readback command */ +}; + +/* + * The timer is the good old 8254. Unlike in PCs it's clocked at exactly 1MHz + */ +#define SGINT_TIMER_CLOCK 1000000 + +/* + * This is the constant we're using for calibrating the counter. + */ +#define SGINT_TCSAMP_COUNTER ((SGINT_TIMER_CLOCK / HZ) + 255) + +/* We need software copies of these because they are write only. */ +extern u8 sgi_ioc_reset, sgi_ioc_write; + +struct sgioc_regs { + struct pi1_regs pport; + u32 _unused0[2]; + struct sgioc_uart_regs uart; + struct sgioc_keyb_regs kbdmouse; + u8 _gcsel[3]; + volatile u8 gcsel; + u8 _genctrl[3]; + volatile u8 genctrl; + u8 _panel[3]; + volatile u8 panel; +#define SGIOC_PANEL_POWERON 0x01 +#define SGIOC_PANEL_POWERINTR 0x02 +#define SGIOC_PANEL_VOLDNINTR 0x10 +#define SGIOC_PANEL_VOLDNHOLD 0x20 +#define SGIOC_PANEL_VOLUPINTR 0x40 +#define SGIOC_PANEL_VOLUPHOLD 0x80 + u32 _unused1; + u8 _sysid[3]; + volatile u8 sysid; +#define SGIOC_SYSID_FULLHOUSE 0x01 +#define SGIOC_SYSID_BOARDREV(x) (((x) & 0x1e) >> 1) +#define SGIOC_SYSID_CHIPREV(x) (((x) & 0xe0) >> 5) + u32 _unused2; + u8 _read[3]; + volatile u8 read; + u32 _unused3; + u8 _dmasel[3]; + volatile u8 dmasel; +#define SGIOC_DMASEL_SCLK10MHZ 0x00 /* use 10MHZ serial clock */ +#define SGIOC_DMASEL_ISDNB 0x01 /* enable isdn B */ +#define SGIOC_DMASEL_ISDNA 0x02 /* enable isdn A */ +#define SGIOC_DMASEL_PPORT 0x04 /* use parallel DMA */ +#define SGIOC_DMASEL_SCLK667MHZ 0x10 /* use 6.67MHZ serial clock */ +#define SGIOC_DMASEL_SCLKEXT 0x20 /* use external serial clock */ + u32 _unused4; + u8 _reset[3]; + volatile u8 reset; +#define SGIOC_RESET_PPORT 0x01 /* 0=parport reset, 1=nornal */ +#define SGIOC_RESET_KBDMOUSE 0x02 /* 0=kbdmouse reset, 1=normal */ +#define SGIOC_RESET_EISA 0x04 /* 0=eisa reset, 1=normal */ +#define SGIOC_RESET_ISDN 0x08 /* 0=isdn reset, 1=normal */ +#define SGIOC_RESET_LC0OFF 0x10 /* guiness: turn led off (red, else green) */ +#define SGIOC_RESET_LC1OFF 0x20 /* guiness: turn led off (green, else amber) */ + u32 _unused5; + u8 _write[3]; + volatile u8 write; +#define SGIOC_WRITE_NTHRESH 0x01 /* use 4.5db threshold */ +#define SGIOC_WRITE_TPSPEED 0x02 /* use 100ohm TP speed */ +#define SGIOC_WRITE_EPSEL 0x04 /* force cable mode: 1=AUI 0=TP */ +#define SGIOC_WRITE_EASEL 0x08 /* 1=autoselect 0=manual cable selection */ +#define SGIOC_WRITE_U1AMODE 0x10 /* 1=PC 0=MAC UART mode */ +#define SGIOC_WRITE_U0AMODE 0x20 /* 1=PC 0=MAC UART mode */ +#define SGIOC_WRITE_MLO 0x40 /* 1=4.75V 0=+5V */ +#define SGIOC_WRITE_MHI 0x80 /* 1=5.25V 0=+5V */ + u32 _unused6; + struct sgint_regs int3; + u32 _unused7[16]; + volatile u32 extio; /* FullHouse only */ +#define EXTIO_S0_IRQ_3 0x8000 /* S0: vid.vsync */ +#define EXTIO_S0_IRQ_2 0x4000 /* S0: gfx.fifofull */ +#define EXTIO_S0_IRQ_1 0x2000 /* S0: gfx.int */ +#define EXTIO_S0_RETRACE 0x1000 +#define EXTIO_SG_IRQ_3 0x0800 /* SG: vid.vsync */ +#define EXTIO_SG_IRQ_2 0x0400 /* SG: gfx.fifofull */ +#define EXTIO_SG_IRQ_1 0x0200 /* SG: gfx.int */ +#define EXTIO_SG_RETRACE 0x0100 +#define EXTIO_GIO_33MHZ 0x0080 +#define EXTIO_EISA_BUSERR 0x0040 +#define EXTIO_MC_BUSERR 0x0020 +#define EXTIO_HPC3_BUSERR 0x0010 +#define EXTIO_S0_STAT_1 0x0008 +#define EXTIO_S0_STAT_0 0x0004 +#define EXTIO_SG_STAT_1 0x0002 +#define EXTIO_SG_STAT_0 0x0001 +}; + +extern struct sgioc_regs *sgioc; +extern struct sgint_regs *sgint; + +#endif diff --git a/arch/mips/include/asm/sgi/ip22.h b/arch/mips/include/asm/sgi/ip22.h new file mode 100644 index 000000000..87ec9eaa0 --- /dev/null +++ b/arch/mips/include/asm/sgi/ip22.h @@ -0,0 +1,80 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * ip22.h: Definitions for SGI IP22 machines + * + * Copyright (C) 1996 David S. Miller + * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle + */ + +#ifndef _SGI_IP22_H +#define _SGI_IP22_H + +/* + * These are the virtual IRQ numbers, we divide all IRQ's into + * 'spaces', the 'space' determines where and how to enable/disable + * that particular IRQ on an SGI machine. HPC DMA and MC DMA interrupts + * are not supported this way. Driver is supposed to allocate HPC/MC + * interrupt as shareable and then look to proper status bit (see + * HAL2 driver). This will prevent many complications, trust me ;-) + */ + +#include <irq.h> +#include <asm/sgi/ioc.h> + +#define SGINT_EISA 0 /* 16 EISA irq levels (Indigo2) */ +#define SGINT_CPU MIPS_CPU_IRQ_BASE /* MIPS CPU define 8 interrupt sources */ +#define SGINT_LOCAL0 (SGINT_CPU+8) /* 8 local0 irq levels */ +#define SGINT_LOCAL1 (SGINT_CPU+16) /* 8 local1 irq levels */ +#define SGINT_LOCAL2 (SGINT_CPU+24) /* 8 local2 vectored irq levels */ +#define SGINT_LOCAL3 (SGINT_CPU+32) /* 8 local3 vectored irq levels */ +#define SGINT_END (SGINT_CPU+40) /* End of 'spaces' */ + +/* + * Individual interrupt definitions for the Indy and Indigo2 + */ + +#define SGI_SOFT_0_IRQ SGINT_CPU + 0 +#define SGI_SOFT_1_IRQ SGINT_CPU + 1 +#define SGI_LOCAL_0_IRQ SGINT_CPU + 2 +#define SGI_LOCAL_1_IRQ SGINT_CPU + 3 +#define SGI_8254_0_IRQ SGINT_CPU + 4 +#define SGI_8254_1_IRQ SGINT_CPU + 5 +#define SGI_BUSERR_IRQ SGINT_CPU + 6 +#define SGI_TIMER_IRQ SGINT_CPU + 7 + +#define SGI_FIFO_IRQ SGINT_LOCAL0 + 0 /* FIFO full */ +#define SGI_GIO_0_IRQ SGI_FIFO_IRQ /* GIO-0 */ +#define SGI_WD93_0_IRQ SGINT_LOCAL0 + 1 /* 1st onboard WD93 */ +#define SGI_WD93_1_IRQ SGINT_LOCAL0 + 2 /* 2nd onboard WD93 */ +#define SGI_ENET_IRQ SGINT_LOCAL0 + 3 /* onboard ethernet */ +#define SGI_MCDMA_IRQ SGINT_LOCAL0 + 4 /* MC DMA done */ +#define SGI_PARPORT_IRQ SGINT_LOCAL0 + 5 /* Parallel port */ +#define SGI_GIO_1_IRQ SGINT_LOCAL0 + 6 /* GE / GIO-1 / 2nd-HPC */ +#define SGI_MAP_0_IRQ SGINT_LOCAL0 + 7 /* Mappable interrupt 0 */ + +#define SGI_GPL0_IRQ SGINT_LOCAL1 + 0 /* General Purpose LOCAL1_N<0> */ +#define SGI_PANEL_IRQ SGINT_LOCAL1 + 1 /* front panel */ +#define SGI_GPL2_IRQ SGINT_LOCAL1 + 2 /* General Purpose LOCAL1_N<2> */ +#define SGI_MAP_1_IRQ SGINT_LOCAL1 + 3 /* Mappable interrupt 1 */ +#define SGI_HPCDMA_IRQ SGINT_LOCAL1 + 4 /* HPC DMA done */ +#define SGI_ACFAIL_IRQ SGINT_LOCAL1 + 5 /* AC fail */ +#define SGI_VINO_IRQ SGINT_LOCAL1 + 6 /* Indy VINO */ +#define SGI_GIO_2_IRQ SGINT_LOCAL1 + 7 /* Vert retrace / GIO-2 */ + +/* Mapped interrupts. These interrupts may be mapped to either 0, or 1 */ +#define SGI_VERT_IRQ SGINT_LOCAL2 + 0 /* INT3: newport vertical status */ +#define SGI_EISA_IRQ SGINT_LOCAL2 + 3 /* EISA interrupts */ +#define SGI_KEYBD_IRQ SGINT_LOCAL2 + 4 /* keyboard */ +#define SGI_SERIAL_IRQ SGINT_LOCAL2 + 5 /* onboard serial */ +#define SGI_GIOEXP0_IRQ (SGINT_LOCAL2 + 6) /* Indy GIO EXP0 */ +#define SGI_GIOEXP1_IRQ (SGINT_LOCAL2 + 7) /* Indy GIO EXP1 */ + +#define ip22_is_fullhouse() (sgioc->sysid & SGIOC_SYSID_FULLHOUSE) + +extern unsigned short ip22_eeprom_read(unsigned int *ctrl, int reg); +extern unsigned short ip22_nvram_read(int reg); + +#endif diff --git a/arch/mips/include/asm/sgi/mc.h b/arch/mips/include/asm/sgi/mc.h new file mode 100644 index 000000000..3a070cec9 --- /dev/null +++ b/arch/mips/include/asm/sgi/mc.h @@ -0,0 +1,231 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * mc.h: Definitions for SGI Memory Controller + * + * Copyright (C) 1996 David S. Miller + * Copyright (C) 1999 Ralf Baechle + * Copyright (C) 1999 Silicon Graphics, Inc. + */ + +#ifndef _SGI_MC_H +#define _SGI_MC_H + +struct sgimc_regs { + u32 _unused0; + volatile u32 cpuctrl0; /* CPU control register 0, readwrite */ +#define SGIMC_CCTRL0_REFS 0x0000000f /* REFS mask */ +#define SGIMC_CCTRL0_EREFRESH 0x00000010 /* Memory refresh enable */ +#define SGIMC_CCTRL0_EPERRGIO 0x00000020 /* GIO parity error enable */ +#define SGIMC_CCTRL0_EPERRMEM 0x00000040 /* Main mem parity error enable */ +#define SGIMC_CCTRL0_EPERRCPU 0x00000080 /* CPU bus parity error enable */ +#define SGIMC_CCTRL0_WDOG 0x00000100 /* Watchdog timer enable */ +#define SGIMC_CCTRL0_SYSINIT 0x00000200 /* System init bit */ +#define SGIMC_CCTRL0_GFXRESET 0x00000400 /* Graphics interface reset */ +#define SGIMC_CCTRL0_EISALOCK 0x00000800 /* Lock CPU from memory for EISA */ +#define SGIMC_CCTRL0_EPERRSCMD 0x00001000 /* SysCMD bus parity error enable */ +#define SGIMC_CCTRL0_IENAB 0x00002000 /* Allow interrupts from MC */ +#define SGIMC_CCTRL0_ESNOOP 0x00004000 /* Snooping I/O enable */ +#define SGIMC_CCTRL0_EPROMWR 0x00008000 /* Prom writes from cpu enable */ +#define SGIMC_CCTRL0_WRESETPMEM 0x00010000 /* Perform warm reset, preserves mem */ +#define SGIMC_CCTRL0_LENDIAN 0x00020000 /* Put MC in little-endian mode */ +#define SGIMC_CCTRL0_WRESETDMEM 0x00040000 /* Warm reset, destroys mem contents */ +#define SGIMC_CCTRL0_CMEMBADPAR 0x02000000 /* Generate bad perr from cpu to mem */ +#define SGIMC_CCTRL0_R4KNOCHKPARR 0x04000000 /* Don't chk parity on mem data reads */ +#define SGIMC_CCTRL0_GIOBTOB 0x08000000 /* Allow GIO back to back writes */ + u32 _unused1; + volatile u32 cpuctrl1; /* CPU control register 1, readwrite */ +#define SGIMC_CCTRL1_EGIOTIMEO 0x00000010 /* GIO bus timeout enable */ +#define SGIMC_CCTRL1_FIXEDEHPC 0x00001000 /* Fixed HPC endianness */ +#define SGIMC_CCTRL1_LITTLEHPC 0x00002000 /* Little endian HPC */ +#define SGIMC_CCTRL1_FIXEDEEXP0 0x00004000 /* Fixed EXP0 endianness */ +#define SGIMC_CCTRL1_LITTLEEXP0 0x00008000 /* Little endian EXP0 */ +#define SGIMC_CCTRL1_FIXEDEEXP1 0x00010000 /* Fixed EXP1 endianness */ +#define SGIMC_CCTRL1_LITTLEEXP1 0x00020000 /* Little endian EXP1 */ + + u32 _unused2; + volatile u32 watchdogt; /* Watchdog reg rdonly, write clears */ + + u32 _unused3; + volatile u32 systemid; /* MC system ID register, readonly */ +#define SGIMC_SYSID_MASKREV 0x0000000f /* Revision of MC controller */ +#define SGIMC_SYSID_EPRESENT 0x00000010 /* Indicates presence of EISA bus */ + + u32 _unused4[3]; + volatile u32 divider; /* Divider reg for RPSS */ + + u32 _unused5; + u32 eeprom; /* EEPROM byte reg for r4k */ +#define SGIMC_EEPROM_PRE 0x00000001 /* eeprom chip PRE pin assertion */ +#define SGIMC_EEPROM_CSEL 0x00000002 /* Active high, eeprom chip select */ +#define SGIMC_EEPROM_SECLOCK 0x00000004 /* EEPROM serial clock */ +#define SGIMC_EEPROM_SDATAO 0x00000008 /* Serial EEPROM data-out */ +#define SGIMC_EEPROM_SDATAI 0x00000010 /* Serial EEPROM data-in */ + + u32 _unused6[3]; + volatile u32 rcntpre; /* Preload refresh counter */ + + u32 _unused7; + volatile u32 rcounter; /* Readonly refresh counter */ + + u32 _unused8[13]; + volatile u32 giopar; /* Parameter word for GIO64 */ +#define SGIMC_GIOPAR_HPC64 0x00000001 /* HPC talks to GIO using 64-bits */ +#define SGIMC_GIOPAR_GFX64 0x00000002 /* GFX talks to GIO using 64-bits */ +#define SGIMC_GIOPAR_EXP064 0x00000004 /* EXP(slot0) talks using 64-bits */ +#define SGIMC_GIOPAR_EXP164 0x00000008 /* EXP(slot1) talks using 64-bits */ +#define SGIMC_GIOPAR_EISA64 0x00000010 /* EISA bus talks 64-bits to GIO */ +#define SGIMC_GIOPAR_HPC264 0x00000020 /* 2nd HPX talks 64-bits to GIO */ +#define SGIMC_GIOPAR_RTIMEGFX 0x00000040 /* GFX device has realtime attr */ +#define SGIMC_GIOPAR_RTIMEEXP0 0x00000080 /* EXP(slot0) has realtime attr */ +#define SGIMC_GIOPAR_RTIMEEXP1 0x00000100 /* EXP(slot1) has realtime attr */ +#define SGIMC_GIOPAR_MASTEREISA 0x00000200 /* EISA bus can act as bus master */ +#define SGIMC_GIOPAR_ONEBUS 0x00000400 /* Exists one GIO64 pipelined bus */ +#define SGIMC_GIOPAR_MASTERGFX 0x00000800 /* GFX can act as a bus master */ +#define SGIMC_GIOPAR_MASTEREXP0 0x00001000 /* EXP(slot0) can bus master */ +#define SGIMC_GIOPAR_MASTEREXP1 0x00002000 /* EXP(slot1) can bus master */ +#define SGIMC_GIOPAR_PLINEEXP0 0x00004000 /* EXP(slot0) has pipeline attr */ +#define SGIMC_GIOPAR_PLINEEXP1 0x00008000 /* EXP(slot1) has pipeline attr */ + + u32 _unused9; + volatile u32 cputp; /* CPU bus arb time period */ + + u32 _unused10[3]; + volatile u32 lbursttp; /* Time period for long bursts */ + + /* MC chip can drive up to 4 bank 4 SIMMs each. All SIMMs in bank must + * be the same size. The size encoding for supported SIMMs is bellow */ + u32 _unused11[9]; + volatile u32 mconfig0; /* Memory config register zero */ + u32 _unused12; + volatile u32 mconfig1; /* Memory config register one */ +#define SGIMC_MCONFIG_BASEADDR 0x000000ff /* Base address of bank*/ +#define SGIMC_MCONFIG_RMASK 0x00001f00 /* Ram config bitmask */ +#define SGIMC_MCONFIG_BVALID 0x00002000 /* Bank is valid */ +#define SGIMC_MCONFIG_SBANKS 0x00004000 /* Number of subbanks */ + + u32 _unused13; + volatile u32 cmacc; /* Mem access config for CPU */ + u32 _unused14; + volatile u32 gmacc; /* Mem access config for GIO */ + + /* This define applies to both cmacc and gmacc registers above. */ +#define SGIMC_MACC_ALIASBIG 0x20000000 /* 512MB home for alias */ + + /* Error address/status regs from GIO and CPU perspectives. */ + u32 _unused15; + volatile u32 cerr; /* Error address reg for CPU */ + u32 _unused16; + volatile u32 cstat; /* Status reg for CPU */ +#define SGIMC_CSTAT_RD 0x00000100 /* read parity error */ +#define SGIMC_CSTAT_PAR 0x00000200 /* CPU parity error */ +#define SGIMC_CSTAT_ADDR 0x00000400 /* memory bus error bad addr */ +#define SGIMC_CSTAT_SYSAD_PAR 0x00000800 /* sysad parity error */ +#define SGIMC_CSTAT_SYSCMD_PAR 0x00001000 /* syscmd parity error */ +#define SGIMC_CSTAT_BAD_DATA 0x00002000 /* bad data identifier */ +#define SGIMC_CSTAT_PAR_MASK 0x00001f00 /* parity error mask */ +#define SGIMC_CSTAT_RD_PAR (SGIMC_CSTAT_RD | SGIMC_CSTAT_PAR) + + u32 _unused17; + volatile u32 gerr; /* Error address reg for GIO */ + u32 _unused18; + volatile u32 gstat; /* Status reg for GIO */ +#define SGIMC_GSTAT_RD 0x00000100 /* read parity error */ +#define SGIMC_GSTAT_WR 0x00000200 /* write parity error */ +#define SGIMC_GSTAT_TIME 0x00000400 /* GIO bus timed out */ +#define SGIMC_GSTAT_PROM 0x00000800 /* write to PROM when PROM_EN not set */ +#define SGIMC_GSTAT_ADDR 0x00001000 /* parity error on addr cycle */ +#define SGIMC_GSTAT_BC 0x00002000 /* parity error on byte count cycle */ +#define SGIMC_GSTAT_PIO_RD 0x00004000 /* read data parity on pio */ +#define SGIMC_GSTAT_PIO_WR 0x00008000 /* write data parity on pio */ + + /* Special hard bus locking registers. */ + u32 _unused19; + volatile u32 syssembit; /* Uni-bit system semaphore */ + u32 _unused20; + volatile u32 mlock; /* Global GIO memory access lock */ + u32 _unused21; + volatile u32 elock; /* Locks EISA from GIO accesses */ + + /* GIO dma control registers. */ + u32 _unused22[15]; + volatile u32 gio_dma_trans; /* DMA mask to translation GIO addrs */ + u32 _unused23; + volatile u32 gio_dma_sbits; /* DMA GIO addr substitution bits */ + u32 _unused24; + volatile u32 dma_intr_cause; /* DMA IRQ cause indicator bits */ + u32 _unused25; + volatile u32 dma_ctrl; /* Main DMA control reg */ + + /* DMA TLB entry 0 */ + u32 _unused26[5]; + volatile u32 dtlb_hi0; + u32 _unused27; + volatile u32 dtlb_lo0; + + /* DMA TLB entry 1 */ + u32 _unused28; + volatile u32 dtlb_hi1; + u32 _unused29; + volatile u32 dtlb_lo1; + + /* DMA TLB entry 2 */ + u32 _unused30; + volatile u32 dtlb_hi2; + u32 _unused31; + volatile u32 dtlb_lo2; + + /* DMA TLB entry 3 */ + u32 _unused32; + volatile u32 dtlb_hi3; + u32 _unused33; + volatile u32 dtlb_lo3; + + u32 _unused34[0x0392]; + + u32 _unused35; + volatile u32 rpsscounter; /* Chirps at 100ns */ + + u32 _unused36[0x1000/4-2*4]; + + u32 _unused37; + volatile u32 maddronly; /* Address DMA goes at */ + u32 _unused38; + volatile u32 maddrpdeflts; /* Same as above, plus set defaults */ + u32 _unused39; + volatile u32 dmasz; /* DMA count */ + u32 _unused40; + volatile u32 ssize; /* DMA stride size */ + u32 _unused41; + volatile u32 gmaddronly; /* Set GIO DMA but don't start trans */ + u32 _unused42; + volatile u32 dmaddnpgo; /* Set GIO DMA addr + start transfer */ + u32 _unused43; + volatile u32 dmamode; /* DMA mode config bit settings */ + u32 _unused44; + volatile u32 dmaccount; /* Zoom and byte count for DMA */ + u32 _unused45; + volatile u32 dmastart; /* Pedal to the metal. */ + u32 _unused46; + volatile u32 dmarunning; /* DMA op is in progress */ + u32 _unused47; + volatile u32 maddrdefstart; /* Set dma addr, defaults, and kick it */ +}; + +extern struct sgimc_regs *sgimc; +#define SGIMC_BASE 0x1fa00000 /* physical */ + +/* Base location of the two ram banks found in IP2[0268] machines. */ +#define SGIMC_SEG0_BADDR 0x08000000 +#define SGIMC_SEG1_BADDR 0x20000000 + +/* Maximum size of the above banks are per machine. */ +#define SGIMC_SEG0_SIZE_ALL 0x10000000 /* 256MB */ +#define SGIMC_SEG1_SIZE_IP20_IP22 0x08000000 /* 128MB */ +#define SGIMC_SEG1_SIZE_IP26_IP28 0x20000000 /* 512MB */ + +extern void sgimc_init(void); + +#endif /* _SGI_MC_H */ diff --git a/arch/mips/include/asm/sgi/pi1.h b/arch/mips/include/asm/sgi/pi1.h new file mode 100644 index 000000000..88b814ef3 --- /dev/null +++ b/arch/mips/include/asm/sgi/pi1.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * pi1.h: Definitions for SGI PI1 parallel port + */ + +#ifndef _SGI_PI1_H +#define _SGI_PI1_H + +struct pi1_regs { + u8 _data[3]; + volatile u8 data; + u8 _ctrl[3]; + volatile u8 ctrl; +#define PI1_CTRL_STROBE_N 0x01 +#define PI1_CTRL_AFD_N 0x02 +#define PI1_CTRL_INIT_N 0x04 +#define PI1_CTRL_SLIN_N 0x08 +#define PI1_CTRL_IRQ_ENA 0x10 +#define PI1_CTRL_DIR 0x20 +#define PI1_CTRL_SEL 0x40 + u8 _status[3]; + volatile u8 status; +#define PI1_STAT_DEVID 0x03 /* bits 0-1 */ +#define PI1_STAT_NOINK 0x04 /* SGI MODE only */ +#define PI1_STAT_ERROR 0x08 +#define PI1_STAT_ONLINE 0x10 +#define PI1_STAT_PE 0x20 +#define PI1_STAT_ACK 0x40 +#define PI1_STAT_BUSY 0x80 + u8 _dmactrl[3]; + volatile u8 dmactrl; +#define PI1_DMACTRL_FIFO_EMPTY 0x01 /* fifo empty R/O */ +#define PI1_DMACTRL_ABORT 0x02 /* reset DMA and internal fifo W/O */ +#define PI1_DMACTRL_STDMODE 0x00 /* bits 2-3 */ +#define PI1_DMACTRL_SGIMODE 0x04 /* bits 2-3 */ +#define PI1_DMACTRL_RICOHMODE 0x08 /* bits 2-3 */ +#define PI1_DMACTRL_HPMODE 0x0c /* bits 2-3 */ +#define PI1_DMACTRL_BLKMODE 0x10 /* block mode */ +#define PI1_DMACTRL_FIFO_CLEAR 0x20 /* clear fifo W/O */ +#define PI1_DMACTRL_READ 0x40 /* read */ +#define PI1_DMACTRL_RUN 0x80 /* pedal to the metal */ + u8 _intstat[3]; + volatile u8 intstat; +#define PI1_INTSTAT_ACK 0x04 +#define PI1_INTSTAT_FEMPTY 0x08 +#define PI1_INTSTAT_NOINK 0x10 +#define PI1_INTSTAT_ONLINE 0x20 +#define PI1_INTSTAT_ERR 0x40 +#define PI1_INTSTAT_PE 0x80 + u8 _intmask[3]; + volatile u8 intmask; /* enabled low, reset high*/ +#define PI1_INTMASK_ACK 0x04 +#define PI1_INTMASK_FIFO_EMPTY 0x08 +#define PI1_INTMASK_NOINK 0x10 +#define PI1_INTMASK_ONLINE 0x20 +#define PI1_INTMASK_ERR 0x40 +#define PI1_INTMASK_PE 0x80 + u8 _timer1[3]; + volatile u8 timer1; +#define PI1_TIME1 0x27 + u8 _timer2[3]; + volatile u8 timer2; +#define PI1_TIME2 0x13 + u8 _timer3[3]; + volatile u8 timer3; +#define PI1_TIME3 0x10 + u8 _timer4[3]; + volatile u8 timer4; +#define PI1_TIME4 0x00 +}; + +#endif diff --git a/arch/mips/include/asm/sgi/seeq.h b/arch/mips/include/asm/sgi/seeq.h new file mode 100644 index 000000000..af0ffd768 --- /dev/null +++ b/arch/mips/include/asm/sgi/seeq.h @@ -0,0 +1,21 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 by Ralf Baechle + */ +#ifndef __ASM_SGI_SEEQ_H +#define __ASM_SGI_SEEQ_H + +#include <linux/if_ether.h> + +#include <asm/sgi/hpc3.h> + +struct sgiseeq_platform_data { + struct hpc3_regs *hpc; + unsigned int irq; + unsigned char mac[ETH_ALEN]; +}; + +#endif /* __ASM_SGI_SEEQ_H */ diff --git a/arch/mips/include/asm/sgi/wd.h b/arch/mips/include/asm/sgi/wd.h new file mode 100644 index 000000000..0d6c3a4da --- /dev/null +++ b/arch/mips/include/asm/sgi/wd.h @@ -0,0 +1,20 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 by Ralf Baechle + */ +#ifndef __ASM_SGI_WD_H +#define __ASM_SGI_WD_H + +#include <asm/sgi/hpc3.h> + +struct sgiwd93_platform_data { + unsigned int unit; + unsigned int irq; + struct hpc3_scsiregs *hregs; + unsigned char *wdregs; +}; + +#endif /* __ASM_SGI_WD_H */ diff --git a/arch/mips/include/asm/sgialib.h b/arch/mips/include/asm/sgialib.h new file mode 100644 index 000000000..80f900417 --- /dev/null +++ b/arch/mips/include/asm/sgialib.h @@ -0,0 +1,61 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * SGI ARCS firmware interface library for the Linux kernel. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org) + */ +#ifndef _ASM_SGIALIB_H +#define _ASM_SGIALIB_H + +#include <linux/compiler.h> +#include <asm/sgiarcs.h> + +extern struct linux_romvec *romvec; + +extern int prom_flags; + +#define PROM_FLAG_ARCS 1 +#define PROM_FLAG_USE_AS_CONSOLE 2 +#define PROM_FLAG_DONT_FREE_TEMP 4 + +/* Simple char-by-char console I/O. */ +extern char prom_getchar(void); + +/* Get next memory descriptor after CURR, returns first descriptor + * in chain is CURR is NULL. + */ +extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr); +#define PROM_NULL_MDESC ((struct linux_mdesc *) 0) + +/* Called by prom_init to setup the physical memory pmemblock + * array. + */ +extern void prom_meminit(void); + +/* PROM device tree library routines. */ +#define PROM_NULL_COMPONENT ((pcomponent *) 0) + +/* This is called at prom_init time to identify the + * ARC architecture we are running on + */ +extern void prom_identify_arch(void); + +/* Environment variable routines. */ +extern PCHAR ArcGetEnvironmentVariable(PCHAR name); + +/* ARCS command line parsing. */ +extern void prom_init_cmdline(int argc, LONG *argv); + +/* File operations. */ +extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt); +extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt); + +/* Misc. routines. */ +extern VOID ArcEnterInteractiveMode(VOID) __noreturn; +extern DISPLAY_STATUS *ArcGetDisplayStatus(ULONG FileID); + +#endif /* _ASM_SGIALIB_H */ diff --git a/arch/mips/include/asm/sgiarcs.h b/arch/mips/include/asm/sgiarcs.h new file mode 100644 index 000000000..e1512cab1 --- /dev/null +++ b/arch/mips/include/asm/sgiarcs.h @@ -0,0 +1,505 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * ARC firmware interface defines. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org) + * Copyright (C) 1999 Silicon Graphics, Inc. + */ +#ifndef _ASM_SGIARCS_H +#define _ASM_SGIARCS_H + +#include <linux/kernel.h> + +#include <asm/types.h> +#include <asm/fw/arc/types.h> + +/* Various ARCS error codes. */ +#define PROM_ESUCCESS 0x00 +#define PROM_E2BIG 0x01 +#define PROM_EACCESS 0x02 +#define PROM_EAGAIN 0x03 +#define PROM_EBADF 0x04 +#define PROM_EBUSY 0x05 +#define PROM_EFAULT 0x06 +#define PROM_EINVAL 0x07 +#define PROM_EIO 0x08 +#define PROM_EISDIR 0x09 +#define PROM_EMFILE 0x0a +#define PROM_EMLINK 0x0b +#define PROM_ENAMETOOLONG 0x0c +#define PROM_ENODEV 0x0d +#define PROM_ENOENT 0x0e +#define PROM_ENOEXEC 0x0f +#define PROM_ENOMEM 0x10 +#define PROM_ENOSPC 0x11 +#define PROM_ENOTDIR 0x12 +#define PROM_ENOTTY 0x13 +#define PROM_ENXIO 0x14 +#define PROM_EROFS 0x15 +/* SGI ARCS specific errno's. */ +#define PROM_EADDRNOTAVAIL 0x1f +#define PROM_ETIMEDOUT 0x20 +#define PROM_ECONNABORTED 0x21 +#define PROM_ENOCONNECT 0x22 + +/* Device classes, types, and identifiers for prom + * device inventory queries. + */ +enum linux_devclass { + system, processor, cache, adapter, controller, peripheral, memory +}; + +enum linux_devtypes { + /* Generic stuff. */ + Arc, Cpu, Fpu, + + /* Primary insn and data caches. */ + picache, pdcache, + + /* Secondary insn, data, and combined caches. */ + sicache, sdcache, sccache, + + memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter, + multifunc_adapter, dsk_controller, tp_controller, cdrom_controller, + worm_controller, serial_controller, net_controller, disp_controller, + parallel_controller, ptr_controller, kbd_controller, audio_controller, + misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral, + modem_peripheral, monitor_peripheral, printer_peripheral, + ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral, + net_peripheral, misc_peripheral, anon +}; + +enum linux_identifier { + bogus, ronly, removable, consin, consout, input, output +}; + +/* A prom device tree component. */ +struct linux_component { + enum linux_devclass class; /* node class */ + enum linux_devtypes type; /* node type */ + enum linux_identifier iflags; /* node flags */ + USHORT vers; /* node version */ + USHORT rev; /* node revision */ + ULONG key; /* completely magic */ + ULONG amask; /* XXX affinity mask??? */ + ULONG cdsize; /* size of configuration data */ + ULONG ilen; /* length of string identifier */ + _PULONG iname; /* string identifier */ +}; +typedef struct linux_component pcomponent; + +struct linux_sysid { + char vend[8], prod[8]; +}; + +/* ARCS prom memory descriptors. */ +enum arcs_memtypes { + arcs_eblock, /* exception block */ + arcs_rvpage, /* ARCS romvec page */ + arcs_fcontig, /* Contiguous and free */ + arcs_free, /* Generic free memory */ + arcs_bmem, /* Borken memory, don't use */ + arcs_prog, /* A loaded program resides here */ + arcs_atmp, /* ARCS temporary storage area, wish Sparc OpenBoot told this */ + arcs_aperm, /* ARCS permanent storage... */ +}; + +/* ARC has slightly different types than ARCS */ +enum arc_memtypes { + arc_eblock, /* exception block */ + arc_rvpage, /* romvec page */ + arc_free, /* Generic free memory */ + arc_bmem, /* Borken memory, don't use */ + arc_prog, /* A loaded program resides here */ + arc_atmp, /* temporary storage area */ + arc_aperm, /* permanent storage */ + arc_fcontig, /* Contiguous and free */ +}; + +union linux_memtypes { + enum arcs_memtypes arcs; + enum arc_memtypes arc; +}; + +struct linux_mdesc { + union linux_memtypes type; + ULONG base; + ULONG pages; +}; + +/* Time of day descriptor. */ +struct linux_tinfo { + unsigned short yr; + unsigned short mnth; + unsigned short day; + unsigned short hr; + unsigned short min; + unsigned short sec; + unsigned short msec; +}; + +/* ARCS virtual dirents. */ +struct linux_vdirent { + ULONG namelen; + unsigned char attr; + char fname[32]; /* XXX empirical, should be a define */ +}; + +/* Other stuff for files. */ +enum linux_omode { + rdonly, wronly, rdwr, wronly_creat, rdwr_creat, + wronly_ssede, rdwr_ssede, dirent, dirent_creat +}; + +enum linux_seekmode { + absolute, relative +}; + +enum linux_mountops { + media_load, media_unload +}; + +/* This prom has a bolixed design. */ +struct linux_bigint { +#ifdef __MIPSEL__ + u32 lo; + s32 hi; +#else /* !(__MIPSEL__) */ + s32 hi; + u32 lo; +#endif +}; + +struct linux_finfo { + struct linux_bigint begin; + struct linux_bigint end; + struct linux_bigint cur; + enum linux_devtypes dtype; + unsigned long namelen; + unsigned char attr; + char name[32]; /* XXX empirical, should be define */ +}; + +/* This describes the vector containing function pointers to the ARC + firmware functions. */ +struct linux_romvec { + LONG load; /* Load an executable image. */ + LONG invoke; /* Invoke a standalong image. */ + LONG exec; /* Load and begin execution of a + standalone image. */ + LONG halt; /* Halt the machine. */ + LONG pdown; /* Power down the machine. */ + LONG restart; /* XXX soft reset??? */ + LONG reboot; /* Reboot the machine. */ + LONG imode; /* Enter PROM interactive mode. */ + LONG _unused1; /* Was ReturnFromMain(). */ + + /* PROM device tree interface. */ + LONG next_component; + LONG child_component; + LONG parent_component; + LONG component_data; + LONG child_add; + LONG comp_del; + LONG component_by_path; + + /* Misc. stuff. */ + LONG cfg_save; + LONG get_sysid; + + /* Probing for memory. */ + LONG get_mdesc; + LONG _unused2; /* was Signal() */ + + LONG get_tinfo; + LONG get_rtime; + + /* File type operations. */ + LONG get_vdirent; + LONG open; + LONG close; + LONG read; + LONG get_rstatus; + LONG write; + LONG seek; + LONG mount; + + /* Dealing with firmware environment variables. */ + LONG get_evar; + LONG set_evar; + + LONG get_finfo; + LONG set_finfo; + + /* Miscellaneous. */ + LONG cache_flush; + LONG TestUnicodeCharacter; /* ARC; not sure if ARCS too */ + LONG GetDisplayStatus; +}; + +/* The SGI ARCS parameter block is in a fixed location for standalone + * programs to access PROM facilities easily. + */ +typedef struct _SYSTEM_PARAMETER_BLOCK { + ULONG magic; /* magic cookie */ +#define PROMBLOCK_MAGIC 0x53435241 + + ULONG len; /* length of parm block */ + USHORT ver; /* ARCS firmware version */ + USHORT rev; /* ARCS firmware revision */ + _PLONG rs_block; /* Restart block. */ + _PLONG dbg_block; /* Debug block. */ + _PLONG gevect; /* XXX General vector??? */ + _PLONG utlbvect; /* XXX UTLB vector??? */ + ULONG rveclen; /* Size of romvec struct. */ + _PVOID romvec; /* Function interface. */ + ULONG pveclen; /* Length of private vector. */ + _PVOID pvector; /* Private vector. */ + ULONG adap_cnt; /* Adapter count. */ + ULONG adap_typ0; /* First adapter type. */ + ULONG adap_vcnt0; /* Adapter 0 vector count. */ + _PVOID adap_vector; /* Adapter 0 vector ptr. */ + ULONG adap_typ1; /* Second adapter type. */ + ULONG adap_vcnt1; /* Adapter 1 vector count. */ + _PVOID adap_vector1; /* Adapter 1 vector ptr. */ + /* More adapter vectors go here... */ +} SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK; + +#define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000) +#define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec) + +/* Cache layout parameter block. */ +union linux_cache_key { + struct param { +#ifdef __MIPSEL__ + unsigned short size; + unsigned char lsize; + unsigned char bsize; +#else /* !(__MIPSEL__) */ + unsigned char bsize; + unsigned char lsize; + unsigned short size; +#endif + } info; + unsigned long allinfo; +}; + +/* Configuration data. */ +struct linux_cdata { + char *name; + int mlen; + enum linux_devtypes type; +}; + +/* Common SGI ARCS firmware file descriptors. */ +#define SGIPROM_STDIN 0 +#define SGIPROM_STDOUT 1 + +/* Common SGI ARCS firmware file types. */ +#define SGIPROM_ROFILE 0x01 /* read-only file */ +#define SGIPROM_HFILE 0x02 /* hidden file */ +#define SGIPROM_SFILE 0x04 /* System file */ +#define SGIPROM_AFILE 0x08 /* Archive file */ +#define SGIPROM_DFILE 0x10 /* Directory file */ +#define SGIPROM_DELFILE 0x20 /* Deleted file */ + +/* SGI ARCS boot record information. */ +struct sgi_partition { + unsigned char flag; +#define SGIPART_UNUSED 0x00 +#define SGIPART_ACTIVE 0x80 + + unsigned char shead, ssect, scyl; /* unused */ + unsigned char systype; /* OS type, Irix or NT */ + unsigned char ehead, esect, ecyl; /* unused */ + unsigned char rsect0, rsect1, rsect2, rsect3; + unsigned char tsect0, tsect1, tsect2, tsect3; +}; + +#define SGIBBLOCK_MAGIC 0xaa55 +#define SGIBBLOCK_MAXPART 0x0004 + +struct sgi_bootblock { + unsigned char _unused[446]; + struct sgi_partition partitions[SGIBBLOCK_MAXPART]; + unsigned short magic; +}; + +/* BIOS parameter block. */ +struct sgi_bparm_block { + unsigned short bytes_sect; /* bytes per sector */ + unsigned char sect_clust; /* sectors per cluster */ + unsigned short sect_resv; /* reserved sectors */ + unsigned char nfats; /* # of allocation tables */ + unsigned short nroot_dirents; /* # of root directory entries */ + unsigned short sect_volume; /* sectors in volume */ + unsigned char media_type; /* media descriptor */ + unsigned short sect_fat; /* sectors per allocation table */ + unsigned short sect_track; /* sectors per track */ + unsigned short nheads; /* # of heads */ + unsigned short nhsects; /* # of hidden sectors */ +}; + +struct sgi_bsector { + unsigned char jmpinfo[3]; + unsigned char manuf_name[8]; + struct sgi_bparm_block info; +}; + +/* Debugging block used with SGI symmon symbolic debugger. */ +#define SMB_DEBUG_MAGIC 0xfeeddead +struct linux_smonblock { + unsigned long magic; + void (*handler)(void); /* Breakpoint routine. */ + unsigned long dtable_base; /* Base addr of dbg table. */ + int (*printf)(const char *fmt, ...); + unsigned long btable_base; /* Breakpoint table. */ + unsigned long mpflushreqs; /* SMP cache flush request list. */ + unsigned long ntab; /* Name table. */ + unsigned long stab; /* Symbol table. */ + int smax; /* Max # of symbols. */ +}; + +/* + * Macros for calling a 32-bit ARC implementation from 64-bit code + */ + +#if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32) + +extern long call_o32(long vec, void *stack, ...); + +extern u64 o32_stk[4096]; +#define O32_STK (&o32_stk[ARRAY_SIZE(o32_stk)]) + +#define ARC_CALL0(dest) \ +({ long __res; \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK); \ + __res; \ +}) + +#define ARC_CALL1(dest, a1) \ +({ long __res; \ + int __a1 = (int) (long) (a1); \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK, __a1); \ + __res; \ +}) + +#define ARC_CALL2(dest, a1, a2) \ +({ long __res; \ + int __a1 = (int) (long) (a1); \ + int __a2 = (int) (long) (a2); \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK, __a1, __a2); \ + __res; \ +}) + +#define ARC_CALL3(dest, a1, a2, a3) \ +({ long __res; \ + int __a1 = (int) (long) (a1); \ + int __a2 = (int) (long) (a2); \ + int __a3 = (int) (long) (a3); \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK, __a1, __a2, __a3); \ + __res; \ +}) + +#define ARC_CALL4(dest, a1, a2, a3, a4) \ +({ long __res; \ + int __a1 = (int) (long) (a1); \ + int __a2 = (int) (long) (a2); \ + int __a3 = (int) (long) (a3); \ + int __a4 = (int) (long) (a4); \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK, __a1, __a2, __a3, __a4); \ + __res; \ +}) + +#define ARC_CALL5(dest, a1, a2, a3, a4, a5) \ +({ long __res; \ + int __a1 = (int) (long) (a1); \ + int __a2 = (int) (long) (a2); \ + int __a3 = (int) (long) (a3); \ + int __a4 = (int) (long) (a4); \ + int __a5 = (int) (long) (a5); \ + long __vec = (long) romvec->dest; \ + __res = call_o32(__vec, O32_STK, __a1, __a2, __a3, __a4, __a5); \ + __res; \ +}) + +#endif /* defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32) */ + +#if (defined(CONFIG_32BIT) && defined(CONFIG_FW_ARC32)) || \ + (defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC64)) + +#define ARC_CALL0(dest) \ +({ long __res; \ + long (*__vec)(void) = (void *) romvec->dest; \ + \ + __res = __vec(); \ + __res; \ +}) + +#define ARC_CALL1(dest, a1) \ +({ long __res; \ + long __a1 = (long) (a1); \ + long (*__vec)(long) = (void *) romvec->dest; \ + \ + __res = __vec(__a1); \ + __res; \ +}) + +#define ARC_CALL2(dest, a1, a2) \ +({ long __res; \ + long __a1 = (long) (a1); \ + long __a2 = (long) (a2); \ + long (*__vec)(long, long) = (void *) romvec->dest; \ + \ + __res = __vec(__a1, __a2); \ + __res; \ +}) + +#define ARC_CALL3(dest, a1, a2, a3) \ +({ long __res; \ + long __a1 = (long) (a1); \ + long __a2 = (long) (a2); \ + long __a3 = (long) (a3); \ + long (*__vec)(long, long, long) = (void *) romvec->dest; \ + \ + __res = __vec(__a1, __a2, __a3); \ + __res; \ +}) + +#define ARC_CALL4(dest, a1, a2, a3, a4) \ +({ long __res; \ + long __a1 = (long) (a1); \ + long __a2 = (long) (a2); \ + long __a3 = (long) (a3); \ + long __a4 = (long) (a4); \ + long (*__vec)(long, long, long, long) = (void *) romvec->dest; \ + \ + __res = __vec(__a1, __a2, __a3, __a4); \ + __res; \ +}) + +#define ARC_CALL5(dest, a1, a2, a3, a4, a5) \ +({ long __res; \ + long __a1 = (long) (a1); \ + long __a2 = (long) (a2); \ + long __a3 = (long) (a3); \ + long __a4 = (long) (a4); \ + long __a5 = (long) (a5); \ + long (*__vec)(long, long, long, long, long); \ + __vec = (void *) romvec->dest; \ + \ + __res = __vec(__a1, __a2, __a3, __a4, __a5); \ + __res; \ +}) +#endif /* both kernel and ARC either 32-bit or 64-bit */ + +#endif /* _ASM_SGIARCS_H */ |