diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/mips/include/asm/dec/ecc.h | 55 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/interrupts.h | 126 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/ioasic.h | 38 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/ioasic_addrs.h | 152 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/ioasic_ints.h | 74 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn01.h | 89 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn02.h | 91 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn02ba.h | 67 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn02ca.h | 79 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn02xa.h | 84 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn03.h | 74 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn05.h | 85 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/kn230.h | 26 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/machtype.h | 27 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/prom.h | 169 | ||||
| -rw-r--r-- | arch/mips/include/asm/dec/system.h | 19 |
16 files changed, 1255 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dec/ecc.h b/arch/mips/include/asm/dec/ecc.h new file mode 100644 index 000000000..707ffdbc9 --- /dev/null +++ b/arch/mips/include/asm/dec/ecc.h @@ -0,0 +1,55 @@ +/* + * include/asm-mips/dec/ecc.h + * + * ECC handling logic definitions common to DECstation/DECsystem + * 5000/200 (KN02), 5000/240 (KN03), 5000/260 (KN05) and + * DECsystem 5900 (KN03), 5900/260 (KN05) systems. + * + * Copyright (C) 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MIPS_DEC_ECC_H +#define __ASM_MIPS_DEC_ECC_H + +/* + * Error Address Register bits. + * The register is r/wc -- any write clears it. + */ +#define KN0X_EAR_VALID (1<<31) /* error data valid, bus IRQ */ +#define KN0X_EAR_CPU (1<<30) /* CPU/DMA transaction */ +#define KN0X_EAR_WRITE (1<<29) /* write/read transaction */ +#define KN0X_EAR_ECCERR (1<<28) /* ECC/timeout or overrun */ +#define KN0X_EAR_RES_27 (1<<27) /* unused */ +#define KN0X_EAR_ADDRESS (0x7ffffff<<0) /* address involved */ + +/* + * Error Syndrome Register bits. + * The register is frozen when EAR.VALID is set, otherwise it records bits + * from the last memory read. The register is r/wc -- any write clears it. + */ +#define KN0X_ESR_VLDHI (1<<31) /* error data valid hi word */ +#define KN0X_ESR_CHKHI (0x7f<<24) /* check bits read from mem */ +#define KN0X_ESR_SNGHI (1<<23) /* single/double bit error */ +#define KN0X_ESR_SYNHI (0x7f<<16) /* syndrome from ECC logic */ +#define KN0X_ESR_VLDLO (1<<15) /* error data valid lo word */ +#define KN0X_ESR_CHKLO (0x7f<<8) /* check bits read from mem */ +#define KN0X_ESR_SNGLO (1<<7) /* single/double bit error */ +#define KN0X_ESR_SYNLO (0x7f<<0) /* syndrome from ECC logic */ + + +#ifndef __ASSEMBLY__ + +#include <linux/interrupt.h> + +struct pt_regs; + +extern void dec_ecc_be_init(void); +extern int dec_ecc_be_handler(struct pt_regs *regs, int is_fixup); +extern irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id); +#endif + +#endif /* __ASM_MIPS_DEC_ECC_H */ diff --git a/arch/mips/include/asm/dec/interrupts.h b/arch/mips/include/asm/dec/interrupts.h new file mode 100644 index 000000000..e10d34106 --- /dev/null +++ b/arch/mips/include/asm/dec/interrupts.h @@ -0,0 +1,126 @@ +/* + * Miscellaneous definitions used to initialise the interrupt vector table + * with the machine-specific interrupt routines. + * + * 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) 1997 by Paul M. Antoine. + * reworked 1998 by Harald Koerfgen. + * Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki + */ + +#ifndef __ASM_DEC_INTERRUPTS_H +#define __ASM_DEC_INTERRUPTS_H + +#include <irq.h> +#include <asm/mipsregs.h> + + +/* + * The list of possible system devices which provide an + * interrupt. Not all devices exist on a given system. + */ +#define DEC_IRQ_CASCADE 0 /* cascade from CSR or I/O ASIC */ + +/* Ordinary interrupts */ +#define DEC_IRQ_AB_RECV 1 /* ACCESS.bus receive */ +#define DEC_IRQ_AB_XMIT 2 /* ACCESS.bus transmit */ +#define DEC_IRQ_DZ11 3 /* DZ11 (DC7085) serial */ +#define DEC_IRQ_ASC 4 /* ASC (NCR53C94) SCSI */ +#define DEC_IRQ_FLOPPY 5 /* 82077 FDC */ +#define DEC_IRQ_FPU 6 /* R3k FPU */ +#define DEC_IRQ_HALT 7 /* HALT button or from ACCESS.Bus */ +#define DEC_IRQ_ISDN 8 /* Am79C30A ISDN */ +#define DEC_IRQ_LANCE 9 /* LANCE (Am7990) Ethernet */ +#define DEC_IRQ_BUS 10 /* memory, I/O bus read/write errors */ +#define DEC_IRQ_PSU 11 /* power supply unit warning */ +#define DEC_IRQ_RTC 12 /* DS1287 RTC */ +#define DEC_IRQ_SCC0 13 /* SCC (Z85C30) serial #0 */ +#define DEC_IRQ_SCC1 14 /* SCC (Z85C30) serial #1 */ +#define DEC_IRQ_SII 15 /* SII (DC7061) SCSI */ +#define DEC_IRQ_TC0 16 /* TURBOchannel slot #0 */ +#define DEC_IRQ_TC1 17 /* TURBOchannel slot #1 */ +#define DEC_IRQ_TC2 18 /* TURBOchannel slot #2 */ +#define DEC_IRQ_TIMER 19 /* ARC periodic timer */ +#define DEC_IRQ_VIDEO 20 /* framebuffer */ + +/* I/O ASIC DMA interrupts */ +#define DEC_IRQ_ASC_MERR 21 /* ASC memory read error */ +#define DEC_IRQ_ASC_ERR 22 /* ASC page overrun */ +#define DEC_IRQ_ASC_DMA 23 /* ASC buffer pointer loaded */ +#define DEC_IRQ_FLOPPY_ERR 24 /* FDC error */ +#define DEC_IRQ_ISDN_ERR 25 /* ISDN memory read/overrun error */ +#define DEC_IRQ_ISDN_RXDMA 26 /* ISDN recv buffer pointer loaded */ +#define DEC_IRQ_ISDN_TXDMA 27 /* ISDN xmit buffer pointer loaded */ +#define DEC_IRQ_LANCE_MERR 28 /* LANCE memory read error */ +#define DEC_IRQ_SCC0A_RXERR 29 /* SCC0A (printer) receive overrun */ +#define DEC_IRQ_SCC0A_RXDMA 30 /* SCC0A receive half page */ +#define DEC_IRQ_SCC0A_TXERR 31 /* SCC0A xmit memory read/overrun */ +#define DEC_IRQ_SCC0A_TXDMA 32 /* SCC0A transmit page end */ +#define DEC_IRQ_AB_RXERR 33 /* ACCESS.bus receive overrun */ +#define DEC_IRQ_AB_RXDMA 34 /* ACCESS.bus receive half page */ +#define DEC_IRQ_AB_TXERR 35 /* ACCESS.bus xmit memory read/ovrn */ +#define DEC_IRQ_AB_TXDMA 36 /* ACCESS.bus transmit page end */ +#define DEC_IRQ_SCC1A_RXERR 37 /* SCC1A (modem) receive overrun */ +#define DEC_IRQ_SCC1A_RXDMA 38 /* SCC1A receive half page */ +#define DEC_IRQ_SCC1A_TXERR 39 /* SCC1A xmit memory read/overrun */ +#define DEC_IRQ_SCC1A_TXDMA 40 /* SCC1A transmit page end */ + +/* TC5 & TC6 are virtual slots for KN02's onboard devices */ +#define DEC_IRQ_TC5 DEC_IRQ_ASC /* virtual PMAZ-AA */ +#define DEC_IRQ_TC6 DEC_IRQ_LANCE /* virtual PMAD-AA */ + +#define DEC_NR_INTS 41 + + +/* Largest of cpu mask_nr tables. */ +#define DEC_MAX_CPU_INTS 6 +/* Largest of asic mask_nr tables. */ +#define DEC_MAX_ASIC_INTS 9 + + +/* + * CPU interrupt bits common to all systems. + */ +#define DEC_CPU_INR_FPU 7 /* R3k FPU */ +#define DEC_CPU_INR_SW1 1 /* software #1 */ +#define DEC_CPU_INR_SW0 0 /* software #0 */ + +#define DEC_CPU_IRQ_BASE MIPS_CPU_IRQ_BASE /* first IRQ assigned to CPU */ + +#define DEC_CPU_IRQ_NR(n) ((n) + DEC_CPU_IRQ_BASE) +#define DEC_CPU_IRQ_MASK(n) (1 << ((n) + CAUSEB_IP)) +#define DEC_CPU_IRQ_ALL (0xff << CAUSEB_IP) + + +#ifndef __ASSEMBLY__ + +/* + * Interrupt table structures to hide differences between systems. + */ +typedef union { int i; void *p; } int_ptr; +extern int dec_interrupt[DEC_NR_INTS]; +extern int_ptr cpu_mask_nr_tbl[DEC_MAX_CPU_INTS][2]; +extern int_ptr asic_mask_nr_tbl[DEC_MAX_ASIC_INTS][2]; +extern int cpu_fpu_mask; + + +/* + * Common interrupt routine prototypes for all DECStations + */ +extern void kn02_io_int(void); +extern void kn02xa_io_int(void); +extern void kn03_io_int(void); +extern void asic_dma_int(void); +extern void asic_all_int(void); +extern void kn02_all_int(void); +extern void cpu_all_int(void); + +extern void dec_intr_unimplemented(void); +extern void asic_intr_unimplemented(void); + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/mips/include/asm/dec/ioasic.h b/arch/mips/include/asm/dec/ioasic.h new file mode 100644 index 000000000..be4d62a5a --- /dev/null +++ b/arch/mips/include/asm/dec/ioasic.h @@ -0,0 +1,38 @@ +/* + * include/asm-mips/dec/ioasic.h + * + * DEC I/O ASIC access operations. + * + * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef __ASM_DEC_IOASIC_H +#define __ASM_DEC_IOASIC_H + +#include <linux/spinlock.h> +#include <linux/types.h> + +extern spinlock_t ioasic_ssr_lock; + +extern volatile u32 *ioasic_base; + +static inline void ioasic_write(unsigned int reg, u32 v) +{ + ioasic_base[reg / 4] = v; +} + +static inline u32 ioasic_read(unsigned int reg) +{ + return ioasic_base[reg / 4]; +} + +extern void init_ioasic_irqs(int base); + +extern int dec_ioasic_clocksource_init(void); + +#endif /* __ASM_DEC_IOASIC_H */ diff --git a/arch/mips/include/asm/dec/ioasic_addrs.h b/arch/mips/include/asm/dec/ioasic_addrs.h new file mode 100644 index 000000000..8bd95971f --- /dev/null +++ b/arch/mips/include/asm/dec/ioasic_addrs.h @@ -0,0 +1,152 @@ +/* + * 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. + * + * Definitions for the address map in the JUNKIO Asic + * + * Created with Information from: + * + * "DEC 3000 300/400/500/600/700/800/900 AXP Models System Programmer's Manual" + * + * and the Mach Sources + * + * Copyright (C) 199x the Anonymous + * Copyright (C) 2002, 2003 Maciej W. Rozycki + */ + +#ifndef __ASM_MIPS_DEC_IOASIC_ADDRS_H +#define __ASM_MIPS_DEC_IOASIC_ADDRS_H + +#define IOASIC_SLOT_SIZE 0x00040000 + +/* + * Address ranges decoded by the I/O ASIC for onboard devices. + */ +#define IOASIC_SYS_ROM (0*IOASIC_SLOT_SIZE) /* system board ROM */ +#define IOASIC_IOCTL (1*IOASIC_SLOT_SIZE) /* I/O ASIC */ +#define IOASIC_ESAR (2*IOASIC_SLOT_SIZE) /* LANCE MAC address chip */ +#define IOASIC_LANCE (3*IOASIC_SLOT_SIZE) /* LANCE Ethernet */ +#define IOASIC_SCC0 (4*IOASIC_SLOT_SIZE) /* SCC #0 */ +#define IOASIC_VDAC_HI (5*IOASIC_SLOT_SIZE) /* VDAC (maxine) */ +#define IOASIC_SCC1 (6*IOASIC_SLOT_SIZE) /* SCC #1 (3min, 3max+) */ +#define IOASIC_VDAC_LO (7*IOASIC_SLOT_SIZE) /* VDAC (maxine) */ +#define IOASIC_TOY (8*IOASIC_SLOT_SIZE) /* RTC */ +#define IOASIC_ISDN (9*IOASIC_SLOT_SIZE) /* ISDN (maxine) */ +#define IOASIC_ERRADDR (9*IOASIC_SLOT_SIZE) /* bus error address (3max+) */ +#define IOASIC_CHKSYN (10*IOASIC_SLOT_SIZE) /* ECC syndrome (3max+) */ +#define IOASIC_ACC_BUS (10*IOASIC_SLOT_SIZE) /* ACCESS.bus (maxine) */ +#define IOASIC_MCR (11*IOASIC_SLOT_SIZE) /* memory control (3max+) */ +#define IOASIC_FLOPPY (11*IOASIC_SLOT_SIZE) /* FDC (maxine) */ +#define IOASIC_SCSI (12*IOASIC_SLOT_SIZE) /* ASC SCSI */ +#define IOASIC_FDC_DMA (13*IOASIC_SLOT_SIZE) /* FDC DMA (maxine) */ +#define IOASIC_SCSI_DMA (14*IOASIC_SLOT_SIZE) /* ??? */ +#define IOASIC_RES_15 (15*IOASIC_SLOT_SIZE) /* unused? */ + + +/* + * Offsets for I/O ASIC registers + * (relative to (dec_kn_slot_base + IOASIC_IOCTL)). + */ + /* all systems */ +#define IO_REG_SCSI_DMA_P 0x00 /* SCSI DMA Pointer */ +#define IO_REG_SCSI_DMA_BP 0x10 /* SCSI DMA Buffer Pointer */ +#define IO_REG_LANCE_DMA_P 0x20 /* LANCE DMA Pointer */ +#define IO_REG_SCC0A_T_DMA_P 0x30 /* SCC0A Transmit DMA Pointer */ +#define IO_REG_SCC0A_R_DMA_P 0x40 /* SCC0A Receive DMA Pointer */ + + /* except Maxine */ +#define IO_REG_SCC1A_T_DMA_P 0x50 /* SCC1A Transmit DMA Pointer */ +#define IO_REG_SCC1A_R_DMA_P 0x60 /* SCC1A Receive DMA Pointer */ + + /* Maxine */ +#define IO_REG_AB_T_DMA_P 0x50 /* ACCESS.bus Transmit DMA Pointer */ +#define IO_REG_AB_R_DMA_P 0x60 /* ACCESS.bus Receive DMA Pointer */ +#define IO_REG_FLOPPY_DMA_P 0x70 /* Floppy DMA Pointer */ +#define IO_REG_ISDN_T_DMA_P 0x80 /* ISDN Transmit DMA Pointer */ +#define IO_REG_ISDN_T_DMA_BP 0x90 /* ISDN Transmit DMA Buffer Pointer */ +#define IO_REG_ISDN_R_DMA_P 0xa0 /* ISDN Receive DMA Pointer */ +#define IO_REG_ISDN_R_DMA_BP 0xb0 /* ISDN Receive DMA Buffer Pointer */ + + /* all systems */ +#define IO_REG_DATA_0 0xc0 /* System Data Buffer 0 */ +#define IO_REG_DATA_1 0xd0 /* System Data Buffer 1 */ +#define IO_REG_DATA_2 0xe0 /* System Data Buffer 2 */ +#define IO_REG_DATA_3 0xf0 /* System Data Buffer 3 */ + + /* all systems */ +#define IO_REG_SSR 0x100 /* System Support Register */ +#define IO_REG_SIR 0x110 /* System Interrupt Register */ +#define IO_REG_SIMR 0x120 /* System Interrupt Mask Reg. */ +#define IO_REG_SAR 0x130 /* System Address Register */ + + /* Maxine */ +#define IO_REG_ISDN_T_DATA 0x140 /* ISDN Xmit Data Register */ +#define IO_REG_ISDN_R_DATA 0x150 /* ISDN Receive Data Register */ + + /* all systems */ +#define IO_REG_LANCE_SLOT 0x160 /* LANCE I/O Slot Register */ +#define IO_REG_SCSI_SLOT 0x170 /* SCSI Slot Register */ +#define IO_REG_SCC0A_SLOT 0x180 /* SCC0A DMA Slot Register */ + + /* except Maxine */ +#define IO_REG_SCC1A_SLOT 0x190 /* SCC1A DMA Slot Register */ + + /* Maxine */ +#define IO_REG_AB_SLOT 0x190 /* ACCESS.bus DMA Slot Register */ +#define IO_REG_FLOPPY_SLOT 0x1a0 /* Floppy Slot Register */ + + /* all systems */ +#define IO_REG_SCSI_SCR 0x1b0 /* SCSI Partial-Word DMA Control */ +#define IO_REG_SCSI_SDR0 0x1c0 /* SCSI DMA Partial Word 0 */ +#define IO_REG_SCSI_SDR1 0x1d0 /* SCSI DMA Partial Word 1 */ +#define IO_REG_FCTR 0x1e0 /* Free-Running Counter */ +#define IO_REG_RES_31 0x1f0 /* unused */ + + +/* + * The upper 16 bits of the System Support Register are a part of the + * I/O ASIC's internal DMA engine and thus are common to all I/O ASIC + * machines. The exception is the Maxine, which makes use of the + * FLOPPY and ISDN bits (otherwise unused) and has a different SCC + * wiring. + */ + /* all systems */ +#define IO_SSR_SCC0A_TX_DMA_EN (1<<31) /* SCC0A transmit DMA enable */ +#define IO_SSR_SCC0A_RX_DMA_EN (1<<30) /* SCC0A receive DMA enable */ +#define IO_SSR_RES_27 (1<<27) /* unused */ +#define IO_SSR_RES_26 (1<<26) /* unused */ +#define IO_SSR_RES_25 (1<<25) /* unused */ +#define IO_SSR_RES_24 (1<<24) /* unused */ +#define IO_SSR_RES_23 (1<<23) /* unused */ +#define IO_SSR_SCSI_DMA_DIR (1<<18) /* SCSI DMA direction */ +#define IO_SSR_SCSI_DMA_EN (1<<17) /* SCSI DMA enable */ +#define IO_SSR_LANCE_DMA_EN (1<<16) /* LANCE DMA enable */ + + /* except Maxine */ +#define IO_SSR_SCC1A_TX_DMA_EN (1<<29) /* SCC1A transmit DMA enable */ +#define IO_SSR_SCC1A_RX_DMA_EN (1<<28) /* SCC1A receive DMA enable */ +#define IO_SSR_RES_22 (1<<22) /* unused */ +#define IO_SSR_RES_21 (1<<21) /* unused */ +#define IO_SSR_RES_20 (1<<20) /* unused */ +#define IO_SSR_RES_19 (1<<19) /* unused */ + + /* Maxine */ +#define IO_SSR_AB_TX_DMA_EN (1<<29) /* ACCESS.bus xmit DMA enable */ +#define IO_SSR_AB_RX_DMA_EN (1<<28) /* ACCESS.bus recv DMA enable */ +#define IO_SSR_FLOPPY_DMA_DIR (1<<22) /* Floppy DMA direction */ +#define IO_SSR_FLOPPY_DMA_EN (1<<21) /* Floppy DMA enable */ +#define IO_SSR_ISDN_TX_DMA_EN (1<<20) /* ISDN transmit DMA enable */ +#define IO_SSR_ISDN_RX_DMA_EN (1<<19) /* ISDN receive DMA enable */ + +/* + * The lower 16 bits are system-specific. Bits 15,11:8 are common and + * defined here. The rest is defined in system-specific headers. + */ +#define KN0X_IO_SSR_DIAGDN (1<<15) /* diagnostic jumper */ +#define KN0X_IO_SSR_SCC_RST (1<<11) /* ~SCC0,1 (Z85C30) reset */ +#define KN0X_IO_SSR_RTC_RST (1<<10) /* ~RTC (DS1287) reset */ +#define KN0X_IO_SSR_ASC_RST (1<<9) /* ~ASC (NCR53C94) reset */ +#define KN0X_IO_SSR_LANCE_RST (1<<8) /* ~LANCE (Am7990) reset */ + +#endif /* __ASM_MIPS_DEC_IOASIC_ADDRS_H */ diff --git a/arch/mips/include/asm/dec/ioasic_ints.h b/arch/mips/include/asm/dec/ioasic_ints.h new file mode 100644 index 000000000..9aaa98696 --- /dev/null +++ b/arch/mips/include/asm/dec/ioasic_ints.h @@ -0,0 +1,74 @@ +/* + * 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. + * + * Definitions for the interrupt related bits in the I/O ASIC + * interrupt status register (and the interrupt mask register, of course) + * + * Created with Information from: + * + * "DEC 3000 300/400/500/600/700/800/900 AXP Models System Programmer's Manual" + * + * and the Mach Sources + * + * Copyright (C) 199x the Anonymous + * Copyright (C) 2002 Maciej W. Rozycki + */ + +#ifndef __ASM_DEC_IOASIC_INTS_H +#define __ASM_DEC_IOASIC_INTS_H + +/* + * The upper 16 bits are a part of the I/O ASIC's internal DMA engine + * and thus are common to all I/O ASIC machines. The exception is + * the Maxine, which makes use of the FLOPPY and ISDN bits (otherwise + * unused) and has a different SCC wiring. + */ + /* all systems */ +#define IO_INR_SCC0A_TXDMA 31 /* SCC0A transmit page end */ +#define IO_INR_SCC0A_TXERR 30 /* SCC0A transmit memory read error */ +#define IO_INR_SCC0A_RXDMA 29 /* SCC0A receive half page */ +#define IO_INR_SCC0A_RXERR 28 /* SCC0A receive overrun */ +#define IO_INR_ASC_DMA 19 /* ASC buffer pointer loaded */ +#define IO_INR_ASC_ERR 18 /* ASC page overrun */ +#define IO_INR_ASC_MERR 17 /* ASC memory read error */ +#define IO_INR_LANCE_MERR 16 /* LANCE memory read error */ + + /* except Maxine */ +#define IO_INR_SCC1A_TXDMA 27 /* SCC1A transmit page end */ +#define IO_INR_SCC1A_TXERR 26 /* SCC1A transmit memory read error */ +#define IO_INR_SCC1A_RXDMA 25 /* SCC1A receive half page */ +#define IO_INR_SCC1A_RXERR 24 /* SCC1A receive overrun */ +#define IO_INR_RES_23 23 /* unused */ +#define IO_INR_RES_22 22 /* unused */ +#define IO_INR_RES_21 21 /* unused */ +#define IO_INR_RES_20 20 /* unused */ + + /* Maxine */ +#define IO_INR_AB_TXDMA 27 /* ACCESS.bus transmit page end */ +#define IO_INR_AB_TXERR 26 /* ACCESS.bus xmit memory read error */ +#define IO_INR_AB_RXDMA 25 /* ACCESS.bus receive half page */ +#define IO_INR_AB_RXERR 24 /* ACCESS.bus receive overrun */ +#define IO_INR_FLOPPY_ERR 23 /* FDC error */ +#define IO_INR_ISDN_TXDMA 22 /* ISDN xmit buffer pointer loaded */ +#define IO_INR_ISDN_RXDMA 21 /* ISDN recv buffer pointer loaded */ +#define IO_INR_ISDN_ERR 20 /* ISDN memory read/overrun error */ + +#define IO_INR_DMA 16 /* first DMA IRQ */ + +/* + * The lower 16 bits are system-specific and thus defined in + * system-specific headers. + */ + + +#define IO_IRQ_BASE 8 /* first IRQ assigned to I/O ASIC */ +#define IO_IRQ_LINES 32 /* number of I/O ASIC interrupts */ + +#define IO_IRQ_NR(n) ((n) + IO_IRQ_BASE) +#define IO_IRQ_MASK(n) (1 << (n)) +#define IO_IRQ_ALL 0x0000ffff +#define IO_IRQ_DMA 0xffff0000 + +#endif /* __ASM_DEC_IOASIC_INTS_H */ diff --git a/arch/mips/include/asm/dec/kn01.h b/arch/mips/include/asm/dec/kn01.h new file mode 100644 index 000000000..88d9ffd74 --- /dev/null +++ b/arch/mips/include/asm/dec/kn01.h @@ -0,0 +1,89 @@ +/* + * Hardware info about DECstation DS2100/3100 systems (otherwise known as + * pmin/pmax or KN01). + * + * 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) 1995,1996 by Paul M. Antoine, some code and definitions + * are by courtesy of Chris Fraser. + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki + */ +#ifndef __ASM_MIPS_DEC_KN01_H +#define __ASM_MIPS_DEC_KN01_H + +#define KN01_SLOT_BASE 0x10000000 +#define KN01_SLOT_SIZE 0x01000000 + +/* + * Address ranges for devices. + */ +#define KN01_PMASK (0*KN01_SLOT_SIZE) /* color plane mask */ +#define KN01_PCC (1*KN01_SLOT_SIZE) /* PCC (DC503) cursor */ +#define KN01_VDAC (2*KN01_SLOT_SIZE) /* color map */ +#define KN01_RES_3 (3*KN01_SLOT_SIZE) /* unused */ +#define KN01_RES_4 (4*KN01_SLOT_SIZE) /* unused */ +#define KN01_RES_5 (5*KN01_SLOT_SIZE) /* unused */ +#define KN01_RES_6 (6*KN01_SLOT_SIZE) /* unused */ +#define KN01_ERRADDR (7*KN01_SLOT_SIZE) /* write error address */ +#define KN01_LANCE (8*KN01_SLOT_SIZE) /* LANCE (Am7990) Ethernet */ +#define KN01_LANCE_MEM (9*KN01_SLOT_SIZE) /* LANCE buffer memory */ +#define KN01_SII (10*KN01_SLOT_SIZE) /* SII (DC7061) SCSI */ +#define KN01_SII_MEM (11*KN01_SLOT_SIZE) /* SII buffer memory */ +#define KN01_DZ11 (12*KN01_SLOT_SIZE) /* DZ11 (DC7085) serial */ +#define KN01_RTC (13*KN01_SLOT_SIZE) /* DS1287 RTC (bytes #0) */ +#define KN01_ESAR (13*KN01_SLOT_SIZE) /* MAC address (bytes #1) */ +#define KN01_CSR (14*KN01_SLOT_SIZE) /* system ctrl & status reg */ +#define KN01_SYS_ROM (15*KN01_SLOT_SIZE) /* system board ROM */ + + +/* + * Frame buffer memory address. + */ +#define KN01_VFB_MEM 0x0fc00000 + +/* + * CPU interrupt bits. + */ +#define KN01_CPU_INR_BUS 6 /* memory, I/O bus read/write errors */ +#define KN01_CPU_INR_VIDEO 6 /* PCC area detect #2 */ +#define KN01_CPU_INR_RTC 5 /* DS1287 RTC */ +#define KN01_CPU_INR_DZ11 4 /* DZ11 (DC7085) serial */ +#define KN01_CPU_INR_LANCE 3 /* LANCE (Am7990) Ethernet */ +#define KN01_CPU_INR_SII 2 /* SII (DC7061) SCSI */ + + +/* + * System Control & Status Register bits. + */ +#define KN01_CSR_MNFMOD (1<<15) /* MNFMOD manufacturing jumper */ +#define KN01_CSR_STATUS (1<<14) /* self-test result status output */ +#define KN01_CSR_PARDIS (1<<13) /* parity error disable */ +#define KN01_CSR_CRSRTST (1<<12) /* PCC test output */ +#define KN01_CSR_MONO (1<<11) /* mono/color fb SIMM installed */ +#define KN01_CSR_MEMERR (1<<10) /* write timeout error status & ack*/ +#define KN01_CSR_VINT (1<<9) /* PCC area detect #2 status & ack */ +#define KN01_CSR_TXDIS (1<<8) /* DZ11 transmit disable */ +#define KN01_CSR_VBGTRG (1<<2) /* blue DAC voltage over green (r/o) */ +#define KN01_CSR_VRGTRG (1<<1) /* red DAC voltage over green (r/o) */ +#define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */ +#define KN01_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ + + +#ifndef __ASSEMBLY__ + +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +struct pt_regs; + +extern u16 cached_kn01_csr; + +extern void dec_kn01_be_init(void); +extern int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup); +extern irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id); +#endif + +#endif /* __ASM_MIPS_DEC_KN01_H */ diff --git a/arch/mips/include/asm/dec/kn02.h b/arch/mips/include/asm/dec/kn02.h new file mode 100644 index 000000000..93430b5f4 --- /dev/null +++ b/arch/mips/include/asm/dec/kn02.h @@ -0,0 +1,91 @@ +/* + * Hardware info about DECstation 5000/200 systems (otherwise known as + * 3max or KN02). + * + * 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) 1995,1996 by Paul M. Antoine, some code and definitions + * are by courtesy of Chris Fraser. + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki + */ +#ifndef __ASM_MIPS_DEC_KN02_H +#define __ASM_MIPS_DEC_KN02_H + +#define KN02_SLOT_BASE 0x1fc00000 +#define KN02_SLOT_SIZE 0x00080000 + +/* + * Address ranges decoded by the "system slot" logic for onboard devices. + */ +#define KN02_SYS_ROM (0*KN02_SLOT_SIZE) /* system board ROM */ +#define KN02_RES_1 (1*KN02_SLOT_SIZE) /* unused */ +#define KN02_CHKSYN (2*KN02_SLOT_SIZE) /* ECC syndrome */ +#define KN02_ERRADDR (3*KN02_SLOT_SIZE) /* bus error address */ +#define KN02_DZ11 (4*KN02_SLOT_SIZE) /* DZ11 (DC7085) serial */ +#define KN02_RTC (5*KN02_SLOT_SIZE) /* DS1287 RTC */ +#define KN02_CSR (6*KN02_SLOT_SIZE) /* system ctrl & status reg */ +#define KN02_SYS_ROM_7 (7*KN02_SLOT_SIZE) /* system board ROM (alias) */ + + +/* + * System Control & Status Register bits. + */ +#define KN02_CSR_RES_28 (0xf<<28) /* unused */ +#define KN02_CSR_PSU (1<<27) /* power supply unit warning */ +#define KN02_CSR_NVRAM (1<<26) /* ~NVRAM clear jumper */ +#define KN02_CSR_REFEVEN (1<<25) /* mem refresh bank toggle */ +#define KN02_CSR_NRMOD (1<<24) /* ~NRMOD manufact. jumper */ +#define KN02_CSR_IOINTEN (0xff<<16) /* IRQ mask bits */ +#define KN02_CSR_DIAGCHK (1<<15) /* diagn/norml ECC reads */ +#define KN02_CSR_DIAGGEN (1<<14) /* diagn/norml ECC writes */ +#define KN02_CSR_CORRECT (1<<13) /* ECC correct/check */ +#define KN02_CSR_LEDIAG (1<<12) /* ECC diagn. latch strobe */ +#define KN02_CSR_TXDIS (1<<11) /* DZ11 transmit disable */ +#define KN02_CSR_BNK32M (1<<10) /* 32M/8M stride */ +#define KN02_CSR_DIAGDN (1<<9) /* DIAGDN manufact. jumper */ +#define KN02_CSR_BAUD38 (1<<8) /* DZ11 38/19kbps ext. rate */ +#define KN02_CSR_IOINT (0xff<<0) /* IRQ status bits (r/o) */ +#define KN02_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ + + +/* + * CPU interrupt bits. + */ +#define KN02_CPU_INR_RES_6 6 /* unused */ +#define KN02_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */ +#define KN02_CPU_INR_RES_4 4 /* unused */ +#define KN02_CPU_INR_RTC 3 /* DS1287 RTC */ +#define KN02_CPU_INR_CASCADE 2 /* CSR cascade */ + +/* + * CSR interrupt bits. + */ +#define KN02_CSR_INR_DZ11 7 /* DZ11 (DC7085) serial */ +#define KN02_CSR_INR_LANCE 6 /* LANCE (Am7990) Ethernet */ +#define KN02_CSR_INR_ASC 5 /* ASC (NCR53C94) SCSI */ +#define KN02_CSR_INR_RES_4 4 /* unused */ +#define KN02_CSR_INR_RES_3 3 /* unused */ +#define KN02_CSR_INR_TC2 2 /* TURBOchannel slot #2 */ +#define KN02_CSR_INR_TC1 1 /* TURBOchannel slot #1 */ +#define KN02_CSR_INR_TC0 0 /* TURBOchannel slot #0 */ + + +#define KN02_IRQ_BASE 8 /* first IRQ assigned to CSR */ +#define KN02_IRQ_LINES 8 /* number of CSR interrupts */ + +#define KN02_IRQ_NR(n) ((n) + KN02_IRQ_BASE) +#define KN02_IRQ_MASK(n) (1 << (n)) +#define KN02_IRQ_ALL 0xff + + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +extern u32 cached_kn02_csr; +extern void init_kn02_irqs(int base); +#endif + +#endif /* __ASM_MIPS_DEC_KN02_H */ diff --git a/arch/mips/include/asm/dec/kn02ba.h b/arch/mips/include/asm/dec/kn02ba.h new file mode 100644 index 000000000..c957a4f1b --- /dev/null +++ b/arch/mips/include/asm/dec/kn02ba.h @@ -0,0 +1,67 @@ +/* + * include/asm-mips/dec/kn02ba.h + * + * DECstation 5000/1xx (3min or KN02-BA) definitions. + * + * Copyright (C) 2002, 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MIPS_DEC_KN02BA_H +#define __ASM_MIPS_DEC_KN02BA_H + +#include <asm/dec/kn02xa.h> /* For common definitions. */ + +/* + * CPU interrupt bits. + */ +#define KN02BA_CPU_INR_HALT 6 /* HALT button */ +#define KN02BA_CPU_INR_CASCADE 5 /* I/O ASIC cascade */ +#define KN02BA_CPU_INR_TC2 4 /* TURBOchannel slot #2 */ +#define KN02BA_CPU_INR_TC1 3 /* TURBOchannel slot #1 */ +#define KN02BA_CPU_INR_TC0 2 /* TURBOchannel slot #0 */ + +/* + * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits. + */ +#define KN02BA_IO_INR_RES_15 15 /* unused */ +#define KN02BA_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */ +#define KN02BA_IO_INR_RES_13 13 /* unused */ +#define KN02BA_IO_INR_BUS 12 /* memory, I/O bus read/write errors */ +#define KN02BA_IO_INR_RES_11 11 /* unused */ +#define KN02BA_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */ +#define KN02BA_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */ +#define KN02BA_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */ +#define KN02BA_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */ +#define KN02BA_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */ +#define KN02BA_IO_INR_RTC 5 /* DS1287 RTC */ +#define KN02BA_IO_INR_PSU 4 /* power supply unit warning */ +#define KN02BA_IO_INR_RES_3 3 /* unused */ +#define KN02BA_IO_INR_ASC_DATA 2 /* SCSI data ready (for PIO) */ +#define KN02BA_IO_INR_PBNC 1 /* ~HALT button debouncer */ +#define KN02BA_IO_INR_PBNO 0 /* HALT button debouncer */ + + +/* + * Memory Error Register bits. + */ +#define KN02BA_MER_RES_27 (1<<27) /* unused */ + +/* + * Memory Size Register bits. + */ +#define KN02BA_MSR_RES_17 (0x3ff<<17) /* unused */ + +/* + * I/O ASIC System Support Register bits. + */ +#define KN02BA_IO_SSR_TXDIS1 (1<<14) /* SCC1 transmit disable */ +#define KN02BA_IO_SSR_TXDIS0 (1<<13) /* SCC0 transmit disable */ +#define KN02BA_IO_SSR_RES_12 (1<<12) /* unused */ + +#define KN02BA_IO_SSR_LEDS (0xff<<0) /* ~diagnostic LEDs */ + +#endif /* __ASM_MIPS_DEC_KN02BA_H */ diff --git a/arch/mips/include/asm/dec/kn02ca.h b/arch/mips/include/asm/dec/kn02ca.h new file mode 100644 index 000000000..92c0fe256 --- /dev/null +++ b/arch/mips/include/asm/dec/kn02ca.h @@ -0,0 +1,79 @@ +/* + * include/asm-mips/dec/kn02ca.h + * + * Personal DECstation 5000/xx (Maxine or KN02-CA) definitions. + * + * Copyright (C) 2002, 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MIPS_DEC_KN02CA_H +#define __ASM_MIPS_DEC_KN02CA_H + +#include <asm/dec/kn02xa.h> /* For common definitions. */ + +/* + * CPU interrupt bits. + */ +#define KN02CA_CPU_INR_HALT 6 /* HALT from ACCESS.Bus */ +#define KN02CA_CPU_INR_CASCADE 5 /* I/O ASIC cascade */ +#define KN02CA_CPU_INR_BUS 4 /* memory, I/O bus read/write errors */ +#define KN02CA_CPU_INR_RTC 3 /* DS1287 RTC */ +#define KN02CA_CPU_INR_TIMER 2 /* ARC periodic timer */ + +/* + * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits. + */ +#define KN02CA_IO_INR_FLOPPY 15 /* 82077 FDC */ +#define KN02CA_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */ +#define KN02CA_IO_INR_POWERON 13 /* (*) ACCESS.Bus/power-on reset */ +#define KN02CA_IO_INR_TC0 12 /* TURBOchannel slot #0 */ +#define KN02CA_IO_INR_TIMER 12 /* ARC periodic timer (?) */ +#define KN02CA_IO_INR_ISDN 11 /* Am79C30A ISDN */ +#define KN02CA_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */ +#define KN02CA_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */ +#define KN02CA_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */ +#define KN02CA_IO_INR_HDFLOPPY 7 /* (*) HD (1.44MB) floppy status */ +#define KN02CA_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */ +#define KN02CA_IO_INR_TC1 5 /* TURBOchannel slot #1 */ +#define KN02CA_IO_INR_XDFLOPPY 4 /* (*) XD (2.88MB) floppy status */ +#define KN02CA_IO_INR_VIDEO 3 /* framebuffer */ +#define KN02CA_IO_INR_XVIDEO 2 /* ~framebuffer */ +#define KN02CA_IO_INR_AB_XMIT 1 /* ACCESS.bus transmit */ +#define KN02CA_IO_INR_AB_RECV 0 /* ACCESS.bus receive */ + + +/* + * Memory Error Register bits. + */ +#define KN02CA_MER_INTR (1<<27) /* ARC IRQ status & ack */ + +/* + * Memory Size Register bits. + */ +#define KN02CA_MSR_INTREN (1<<26) /* ARC periodic IRQ enable */ +#define KN02CA_MSR_MS10EN (1<<25) /* 10/1ms IRQ period select */ +#define KN02CA_MSR_PFORCE (0xf<<21) /* byte lane error force */ +#define KN02CA_MSR_MABEN (1<<20) /* A side VFB address enable */ +#define KN02CA_MSR_LASTBANK (0x7<<17) /* onboard RAM bank # */ + +/* + * I/O ASIC System Support Register bits. + */ +#define KN03CA_IO_SSR_RES_14 (1<<14) /* unused */ +#define KN03CA_IO_SSR_RES_13 (1<<13) /* unused */ +#define KN03CA_IO_SSR_ISDN_RST (1<<12) /* ~ISDN (Am79C30A) reset */ + +#define KN03CA_IO_SSR_FLOPPY_RST (1<<7) /* ~FDC (82077) reset */ +#define KN03CA_IO_SSR_VIDEO_RST (1<<6) /* ~framebuffer reset */ +#define KN03CA_IO_SSR_AB_RST (1<<5) /* ACCESS.bus reset */ +#define KN03CA_IO_SSR_RES_4 (1<<4) /* unused */ +#define KN03CA_IO_SSR_RES_3 (1<<4) /* unused */ +#define KN03CA_IO_SSR_RES_2 (1<<2) /* unused */ +#define KN03CA_IO_SSR_RES_1 (1<<1) /* unused */ +#define KN03CA_IO_SSR_LED (1<<0) /* power LED */ + +#endif /* __ASM_MIPS_DEC_KN02CA_H */ diff --git a/arch/mips/include/asm/dec/kn02xa.h b/arch/mips/include/asm/dec/kn02xa.h new file mode 100644 index 000000000..b56b4577f --- /dev/null +++ b/arch/mips/include/asm/dec/kn02xa.h @@ -0,0 +1,84 @@ +/* + * Hardware info common to DECstation 5000/1xx systems (otherwise + * known as 3min or kn02ba) and Personal DECstations 5000/xx ones + * (otherwise known as maxine or kn02ca). + * + * 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) 1995,1996 by Paul M. Antoine, some code and definitions + * are by courtesy of Chris Fraser. + * Copyright (C) 2000, 2002, 2003, 2005 Maciej W. Rozycki + * + * These are addresses which have to be known early in the boot process. + * For other addresses refer to tc.h, ioasic_addrs.h and friends. + */ +#ifndef __ASM_MIPS_DEC_KN02XA_H +#define __ASM_MIPS_DEC_KN02XA_H + +#include <asm/dec/ioasic_addrs.h> + +#define KN02XA_SLOT_BASE 0x1c000000 + +/* + * Memory control ASIC registers. + */ +#define KN02XA_MER 0x0c400000 /* memory error register */ +#define KN02XA_MSR 0x0c800000 /* memory size register */ + +/* + * CPU control ASIC registers. + */ +#define KN02XA_MEM_CONF 0x0e000000 /* write timeout config */ +#define KN02XA_EAR 0x0e000004 /* error address register */ +#define KN02XA_BOOT0 0x0e000008 /* boot 0 register */ +#define KN02XA_MEM_INTR 0x0e00000c /* write err IRQ stat & ack */ + +/* + * Memory Error Register bits, common definitions. + * The rest is defined in system-specific headers. + */ +#define KN02XA_MER_RES_28 (0xf<<28) /* unused */ +#define KN02XA_MER_RES_17 (0x3ff<<17) /* unused */ +#define KN02XA_MER_PAGERR (1<<16) /* 2k page boundary error */ +#define KN02XA_MER_TRANSERR (1<<15) /* transfer length error */ +#define KN02XA_MER_PARDIS (1<<14) /* parity error disable */ +#define KN02XA_MER_SIZE (1<<13) /* r/o mirror of MSR_SIZE */ +#define KN02XA_MER_RES_12 (1<<12) /* unused */ +#define KN02XA_MER_BYTERR (0xf<<8) /* byte lane error bitmask: */ +#define KN02XA_MER_BYTERR_3 (0x8<<8) /* byte lane #3 */ +#define KN02XA_MER_BYTERR_2 (0x4<<8) /* byte lane #2 */ +#define KN02XA_MER_BYTERR_1 (0x2<<8) /* byte lane #1 */ +#define KN02XA_MER_BYTERR_0 (0x1<<8) /* byte lane #0 */ +#define KN02XA_MER_RES_0 (0xff<<0) /* unused */ + +/* + * Memory Size Register bits, common definitions. + * The rest is defined in system-specific headers. + */ +#define KN02XA_MSR_RES_27 (0x1f<<27) /* unused */ +#define KN02XA_MSR_RES_14 (0x7<<14) /* unused */ +#define KN02XA_MSR_SIZE (1<<13) /* 16M/4M stride */ +#define KN02XA_MSR_RES_0 (0x1fff<<0) /* unused */ + +/* + * Error Address Register bits. + */ +#define KN02XA_EAR_RES_29 (0x7<<29) /* unused */ +#define KN02XA_EAR_ADDRESS (0x7ffffff<<2) /* address involved */ +#define KN02XA_EAR_RES_0 (0x3<<0) /* unused */ + + +#ifndef __ASSEMBLY__ + +#include <linux/interrupt.h> + +struct pt_regs; + +extern void dec_kn02xa_be_init(void); +extern int dec_kn02xa_be_handler(struct pt_regs *regs, int is_fixup); +extern irqreturn_t dec_kn02xa_be_interrupt(int irq, void *dev_id); +#endif + +#endif /* __ASM_MIPS_DEC_KN02XA_H */ diff --git a/arch/mips/include/asm/dec/kn03.h b/arch/mips/include/asm/dec/kn03.h new file mode 100644 index 000000000..edede923f --- /dev/null +++ b/arch/mips/include/asm/dec/kn03.h @@ -0,0 +1,74 @@ +/* + * Hardware info about DECstation 5000/2x0 systems (otherwise known as + * 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which + * differ mechanically but are otherwise identical (both are known as + * KN03). + * + * 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) 1995,1996 by Paul M. Antoine, some code and definitions + * are by courtesy of Chris Fraser. + * Copyright (C) 2000, 2002, 2003, 2005 Maciej W. Rozycki + */ +#ifndef __ASM_MIPS_DEC_KN03_H +#define __ASM_MIPS_DEC_KN03_H + +#include <asm/dec/ecc.h> +#include <asm/dec/ioasic_addrs.h> + +#define KN03_SLOT_BASE 0x1f800000 + +/* + * CPU interrupt bits. + */ +#define KN03_CPU_INR_HALT 6 /* HALT button */ +#define KN03_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */ +#define KN03_CPU_INR_RES_4 4 /* unused */ +#define KN03_CPU_INR_RTC 3 /* DS1287 RTC */ +#define KN03_CPU_INR_CASCADE 2 /* I/O ASIC cascade */ + +/* + * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits. + */ +#define KN03_IO_INR_3MAXP 15 /* (*) 3max+/bigmax ID */ +#define KN03_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */ +#define KN03_IO_INR_TC2 13 /* TURBOchannel slot #2 */ +#define KN03_IO_INR_TC1 12 /* TURBOchannel slot #1 */ +#define KN03_IO_INR_TC0 11 /* TURBOchannel slot #0 */ +#define KN03_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */ +#define KN03_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */ +#define KN03_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */ +#define KN03_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */ +#define KN03_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */ +#define KN03_IO_INR_RTC 5 /* DS1287 RTC */ +#define KN03_IO_INR_PSU 4 /* power supply unit warning */ +#define KN03_IO_INR_RES_3 3 /* unused */ +#define KN03_IO_INR_ASC_DATA 2 /* SCSI data ready (for PIO) */ +#define KN03_IO_INR_PBNC 1 /* ~HALT button debouncer */ +#define KN03_IO_INR_PBNO 0 /* HALT button debouncer */ + + +/* + * Memory Control Register bits. + */ +#define KN03_MCR_RES_16 (0xffff<<16) /* unused */ +#define KN03_MCR_DIAGCHK (1<<15) /* diagn/norml ECC reads */ +#define KN03_MCR_DIAGGEN (1<<14) /* diagn/norml ECC writes */ +#define KN03_MCR_CORRECT (1<<13) /* ECC correct/check */ +#define KN03_MCR_RES_11 (0x3<<12) /* unused */ +#define KN03_MCR_BNK32M (1<<10) /* 32M/8M stride */ +#define KN03_MCR_RES_7 (0x7<<7) /* unused */ +#define KN03_MCR_CHECK (0x7f<<0) /* diagnostic check bits */ + +/* + * I/O ASIC System Support Register bits. + */ +#define KN03_IO_SSR_TXDIS1 (1<<14) /* SCC1 transmit disable */ +#define KN03_IO_SSR_TXDIS0 (1<<13) /* SCC0 transmit disable */ +#define KN03_IO_SSR_RES_12 (1<<12) /* unused */ + +#define KN03_IO_SSR_LEDS (0xff<<0) /* ~diagnostic LEDs */ + +#endif /* __ASM_MIPS_DEC_KN03_H */ diff --git a/arch/mips/include/asm/dec/kn05.h b/arch/mips/include/asm/dec/kn05.h new file mode 100644 index 000000000..8e14f677e --- /dev/null +++ b/arch/mips/include/asm/dec/kn05.h @@ -0,0 +1,85 @@ +/* + * include/asm-mips/dec/kn05.h + * + * DECstation/DECsystem 5000/260 (4max+ or KN05), 5000/150 (4min + * or KN04-BA), Personal DECstation/DECsystem 5000/50 (4maxine or + * KN04-CA) and DECsystem 5900/260 (KN05) R4k CPU card MB ASIC + * definitions. + * + * Copyright (C) 2002, 2003, 2005, 2008 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * WARNING! All this information is pure guesswork based on the + * ROM. It is provided here in hope it will give someone some + * food for thought. No documentation for the KN05 nor the KN04 + * module has been located so far. + */ +#ifndef __ASM_MIPS_DEC_KN05_H +#define __ASM_MIPS_DEC_KN05_H + +#include <asm/dec/ioasic_addrs.h> + +/* + * The oncard MB (Memory Buffer) ASIC provides an additional address + * decoder. Certain address ranges within the "high" 16 slots are + * passed to the I/O ASIC's decoder like with the KN03 or KN02-BA/CA. + * Others are handled locally. "Low" slots are always passed. + */ +#define KN4K_SLOT_BASE 0x1fc00000 + +#define KN4K_MB_ROM (0*IOASIC_SLOT_SIZE) /* KN05/KN04 card ROM */ +#define KN4K_IOCTL (1*IOASIC_SLOT_SIZE) /* I/O ASIC */ +#define KN4K_ESAR (2*IOASIC_SLOT_SIZE) /* LANCE MAC address chip */ +#define KN4K_LANCE (3*IOASIC_SLOT_SIZE) /* LANCE Ethernet */ +#define KN4K_MB_INT (4*IOASIC_SLOT_SIZE) /* MB interrupt register */ +#define KN4K_MB_EA (5*IOASIC_SLOT_SIZE) /* MB error address? */ +#define KN4K_MB_EC (6*IOASIC_SLOT_SIZE) /* MB error ??? */ +#define KN4K_MB_CSR (7*IOASIC_SLOT_SIZE) /* MB control & status */ +#define KN4K_RES_08 (8*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_09 (9*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_10 (10*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_11 (11*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_SCSI (12*IOASIC_SLOT_SIZE) /* ASC SCSI */ +#define KN4K_RES_13 (13*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_14 (14*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_15 (15*IOASIC_SLOT_SIZE) /* unused? */ + +/* + * MB ASIC interrupt bits. + */ +#define KN4K_MB_INR_MB 4 /* ??? */ +#define KN4K_MB_INR_MT 3 /* memory, I/O bus read/write errors */ +#define KN4K_MB_INR_RES_2 2 /* unused */ +#define KN4K_MB_INR_RTC 1 /* RTC */ +#define KN4K_MB_INR_TC 0 /* I/O ASIC cascade */ + +/* + * Bits for the MB interrupt register. + * The register appears read-only. + */ +#define KN4K_MB_INT_IRQ (0x1f<<0) /* CPU Int[4:0] status. */ +#define KN4K_MB_INT_IRQ_N(n) (1<<(n)) /* Individual status bits. */ + +/* + * Bits for the MB control & status register. + * Set to 0x00bf8001 for KN05 and to 0x003f8000 for KN04 by the firmware. + */ +#define KN4K_MB_CSR_PF (1<<0) /* PreFetching enable? */ +#define KN4K_MB_CSR_F (1<<1) /* ??? */ +#define KN4K_MB_CSR_ECC (0xff<<2) /* ??? */ +#define KN4K_MB_CSR_OD (1<<10) /* ??? */ +#define KN4K_MB_CSR_CP (1<<11) /* ??? */ +#define KN4K_MB_CSR_UNC (1<<12) /* ??? */ +#define KN4K_MB_CSR_IM (1<<13) /* ??? */ +#define KN4K_MB_CSR_NC (1<<14) /* ??? */ +#define KN4K_MB_CSR_EE (1<<15) /* (bus) Exception Enable? */ +#define KN4K_MB_CSR_MSK (0x1f<<16) /* CPU Int[4:0] mask */ +#define KN4K_MB_CSR_MSK_N(n) (1<<((n)+16)) /* Individual mask bits. */ +#define KN4K_MB_CSR_FW (1<<21) /* ??? */ +#define KN4K_MB_CSR_W (1<<31) /* ??? */ + +#endif /* __ASM_MIPS_DEC_KN05_H */ diff --git a/arch/mips/include/asm/dec/kn230.h b/arch/mips/include/asm/dec/kn230.h new file mode 100644 index 000000000..ff1bf17de --- /dev/null +++ b/arch/mips/include/asm/dec/kn230.h @@ -0,0 +1,26 @@ +/* + * include/asm-mips/dec/kn230.h + * + * DECsystem 5100 (MIPSmate or KN230) definitions. + * + * Copyright (C) 2002, 2003 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MIPS_DEC_KN230_H +#define __ASM_MIPS_DEC_KN230_H + +/* + * CPU interrupt bits. + */ +#define KN230_CPU_INR_HALT 6 /* HALT button */ +#define KN230_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */ +#define KN230_CPU_INR_RTC 4 /* DS1287 RTC */ +#define KN230_CPU_INR_SII 3 /* SII (DC7061) SCSI */ +#define KN230_CPU_INR_LANCE 3 /* LANCE (Am7990) Ethernet */ +#define KN230_CPU_INR_DZ11 2 /* DZ11 (DC7085) serial */ + +#endif /* __ASM_MIPS_DEC_KN230_H */ diff --git a/arch/mips/include/asm/dec/machtype.h b/arch/mips/include/asm/dec/machtype.h new file mode 100644 index 000000000..a6ecdebc4 --- /dev/null +++ b/arch/mips/include/asm/dec/machtype.h @@ -0,0 +1,27 @@ +/* + * Various machine type macros + * + * 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) 1998, 2000 Harald Koerfgen + */ + +#ifndef __ASM_DEC_MACHTYPE_H +#define __ASM_DEC_MACHTYPE_H + +#include <asm/bootinfo.h> + +#define TURBOCHANNEL (mips_machtype == MACH_DS5000_200 || \ + mips_machtype == MACH_DS5000_1XX || \ + mips_machtype == MACH_DS5000_XX || \ + mips_machtype == MACH_DS5000_2X0 || \ + mips_machtype == MACH_DS5900) + +#define IOASIC (mips_machtype == MACH_DS5000_1XX || \ + mips_machtype == MACH_DS5000_XX || \ + mips_machtype == MACH_DS5000_2X0 || \ + mips_machtype == MACH_DS5900) + +#endif diff --git a/arch/mips/include/asm/dec/prom.h b/arch/mips/include/asm/dec/prom.h new file mode 100644 index 000000000..09538ff5e --- /dev/null +++ b/arch/mips/include/asm/dec/prom.h @@ -0,0 +1,169 @@ +/* + * include/asm-mips/dec/prom.h + * + * DECstation PROM interface. + * + * Copyright (C) 2002 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Based on arch/mips/dec/prom/prom.h by the Anonymous. + */ +#ifndef _ASM_DEC_PROM_H +#define _ASM_DEC_PROM_H + +#include <linux/types.h> + +#include <asm/addrspace.h> + +/* + * PMAX/3MAX PROM entry points for DS2100/3100's and DS5000/2xx's. + * Many of these will work for MIPSen as well! + */ +#define VEC_RESET (u64 *)CKSEG1ADDR(0x1fc00000) + /* Prom base address */ + +#define PMAX_PROM_ENTRY(x) (VEC_RESET + (x)) /* Prom jump table */ + +#define PMAX_PROM_HALT PMAX_PROM_ENTRY(2) /* valid on MIPSen */ +#define PMAX_PROM_AUTOBOOT PMAX_PROM_ENTRY(5) /* valid on MIPSen */ +#define PMAX_PROM_OPEN PMAX_PROM_ENTRY(6) +#define PMAX_PROM_READ PMAX_PROM_ENTRY(7) +#define PMAX_PROM_CLOSE PMAX_PROM_ENTRY(10) +#define PMAX_PROM_LSEEK PMAX_PROM_ENTRY(11) +#define PMAX_PROM_GETCHAR PMAX_PROM_ENTRY(12) +#define PMAX_PROM_PUTCHAR PMAX_PROM_ENTRY(13) /* 12 on MIPSen */ +#define PMAX_PROM_GETS PMAX_PROM_ENTRY(15) +#define PMAX_PROM_PRINTF PMAX_PROM_ENTRY(17) +#define PMAX_PROM_GETENV PMAX_PROM_ENTRY(33) /* valid on MIPSen */ + + +/* + * Magic number indicating REX PROM available on DECstation. Found in + * register a2 on transfer of control to program from PROM. + */ +#define REX_PROM_MAGIC 0x30464354 + +/* KN04 and KN05 are REX PROMs, so only do the check for R3k systems. */ +static inline bool prom_is_rex(u32 magic) +{ + return !IS_ENABLED(CONFIG_CPU_R3000) || magic == REX_PROM_MAGIC; +} + +/* + * 3MIN/MAXINE PROM entry points for DS5000/1xx's, DS5000/xx's and + * DS5000/2x0. + */ +#define REX_PROM_GETBITMAP 0x84/4 /* get mem bitmap */ +#define REX_PROM_GETCHAR 0x24/4 /* getch() */ +#define REX_PROM_GETENV 0x64/4 /* get env. variable */ +#define REX_PROM_GETSYSID 0x80/4 /* get system id */ +#define REX_PROM_GETTCINFO 0xa4/4 +#define REX_PROM_PRINTF 0x30/4 /* printf() */ +#define REX_PROM_SLOTADDR 0x6c/4 /* slotaddr */ +#define REX_PROM_BOOTINIT 0x54/4 /* open() */ +#define REX_PROM_BOOTREAD 0x58/4 /* read() */ +#define REX_PROM_CLEARCACHE 0x7c/4 + + +/* + * Used by rex_getbitmap(). + */ +typedef struct { + int pagesize; + unsigned char bitmap[0]; +} memmap; + + +/* + * Function pointers as read from a PROM's callback vector. + */ +extern int (*__rex_bootinit)(void); +extern int (*__rex_bootread)(void); +extern int (*__rex_getbitmap)(memmap *); +extern unsigned long *(*__rex_slot_address)(int); +extern void *(*__rex_gettcinfo)(void); +extern int (*__rex_getsysid)(void); +extern void (*__rex_clear_cache)(void); + +extern int (*__prom_getchar)(void); +extern char *(*__prom_getenv)(char *); +extern int (*__prom_printf)(char *, ...); + +extern int (*__pmax_open)(char*, int); +extern int (*__pmax_lseek)(int, long, int); +extern int (*__pmax_read)(int, void *, int); +extern int (*__pmax_close)(int); + + +#ifdef CONFIG_64BIT + +/* + * On MIPS64 we have to call PROM functions via a helper + * dispatcher to accommodate ABI incompatibilities. + */ +#define __DEC_PROM_O32(fun, arg) fun arg __asm__(#fun); \ + __asm__(#fun " = call_o32") + +int __DEC_PROM_O32(_rex_bootinit, (int (*)(void), void *)); +int __DEC_PROM_O32(_rex_bootread, (int (*)(void), void *)); +int __DEC_PROM_O32(_rex_getbitmap, (int (*)(memmap *), void *, memmap *)); +unsigned long *__DEC_PROM_O32(_rex_slot_address, + (unsigned long *(*)(int), void *, int)); +void *__DEC_PROM_O32(_rex_gettcinfo, (void *(*)(void), void *)); +int __DEC_PROM_O32(_rex_getsysid, (int (*)(void), void *)); +void __DEC_PROM_O32(_rex_clear_cache, (void (*)(void), void *)); + +int __DEC_PROM_O32(_prom_getchar, (int (*)(void), void *)); +char *__DEC_PROM_O32(_prom_getenv, (char *(*)(char *), void *, char *)); +int __DEC_PROM_O32(_prom_printf, (int (*)(char *, ...), void *, char *, ...)); + + +#define rex_bootinit() _rex_bootinit(__rex_bootinit, NULL) +#define rex_bootread() _rex_bootread(__rex_bootread, NULL) +#define rex_getbitmap(x) _rex_getbitmap(__rex_getbitmap, NULL, x) +#define rex_slot_address(x) _rex_slot_address(__rex_slot_address, NULL, x) +#define rex_gettcinfo() _rex_gettcinfo(__rex_gettcinfo, NULL) +#define rex_getsysid() _rex_getsysid(__rex_getsysid, NULL) +#define rex_clear_cache() _rex_clear_cache(__rex_clear_cache, NULL) + +#define prom_getchar() _prom_getchar(__prom_getchar, NULL) +#define prom_getenv(x) _prom_getenv(__prom_getenv, NULL, x) +#define prom_printf(x...) _prom_printf(__prom_printf, NULL, x) + +#else /* !CONFIG_64BIT */ + +/* + * On plain MIPS we just call PROM functions directly. + */ +#define rex_bootinit __rex_bootinit +#define rex_bootread __rex_bootread +#define rex_getbitmap __rex_getbitmap +#define rex_slot_address __rex_slot_address +#define rex_gettcinfo __rex_gettcinfo +#define rex_getsysid __rex_getsysid +#define rex_clear_cache __rex_clear_cache + +#define prom_getchar __prom_getchar +#define prom_getenv __prom_getenv +#define prom_printf __prom_printf + +#define pmax_open __pmax_open +#define pmax_lseek __pmax_lseek +#define pmax_read __pmax_read +#define pmax_close __pmax_close + +#endif /* !CONFIG_64BIT */ + + +extern void prom_meminit(u32); +extern void prom_identify_arch(u32); +extern void prom_init_cmdline(s32, s32 *, u32); + +extern void register_prom_console(void); +extern void unregister_prom_console(void); + +#endif /* _ASM_DEC_PROM_H */ diff --git a/arch/mips/include/asm/dec/system.h b/arch/mips/include/asm/dec/system.h new file mode 100644 index 000000000..b2afaccd6 --- /dev/null +++ b/arch/mips/include/asm/dec/system.h @@ -0,0 +1,19 @@ +/* + * include/asm-mips/dec/system.h + * + * Generic DECstation/DECsystem bits. + * + * Copyright (C) 2005, 2006 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_DEC_SYSTEM_H +#define __ASM_DEC_SYSTEM_H + +extern unsigned long dec_kn_slot_base, dec_kn_slot_size; +extern int dec_tc_bus; + +#endif /* __ASM_DEC_SYSTEM_H */ |