1 /* 2 * Hardware info about DECstation DS2100/3100 systems (otherwise known as 3 * pmin/pmax or KN01). 4 * 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file "COPYING" in the main directory of this archive 7 * for more details. 8 * 9 * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions 10 * are by courtesy of Chris Fraser. 11 * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki 12 */ 13 #ifndef __ASM_MIPS_DEC_KN01_H 14 #define __ASM_MIPS_DEC_KN01_H 15 16 #define KN01_SLOT_BASE 0x10000000 17 #define KN01_SLOT_SIZE 0x01000000 18 19 /* 20 * Address ranges for devices. 21 */ 22 #define KN01_PMASK (0*KN01_SLOT_SIZE) /* color plane mask */ 23 #define KN01_PCC (1*KN01_SLOT_SIZE) /* PCC (DC503) cursor */ 24 #define KN01_VDAC (2*KN01_SLOT_SIZE) /* color map */ 25 #define KN01_RES_3 (3*KN01_SLOT_SIZE) /* unused */ 26 #define KN01_RES_4 (4*KN01_SLOT_SIZE) /* unused */ 27 #define KN01_RES_5 (5*KN01_SLOT_SIZE) /* unused */ 28 #define KN01_RES_6 (6*KN01_SLOT_SIZE) /* unused */ 29 #define KN01_ERRADDR (7*KN01_SLOT_SIZE) /* write error address */ 30 #define KN01_LANCE (8*KN01_SLOT_SIZE) /* LANCE (Am7990) Ethernet */ 31 #define KN01_LANCE_MEM (9*KN01_SLOT_SIZE) /* LANCE buffer memory */ 32 #define KN01_SII (10*KN01_SLOT_SIZE) /* SII (DC7061) SCSI */ 33 #define KN01_SII_MEM (11*KN01_SLOT_SIZE) /* SII buffer memory */ 34 #define KN01_DZ11 (12*KN01_SLOT_SIZE) /* DZ11 (DC7085) serial */ 35 #define KN01_RTC (13*KN01_SLOT_SIZE) /* DS1287 RTC (bytes #0) */ 36 #define KN01_ESAR (13*KN01_SLOT_SIZE) /* MAC address (bytes #1) */ 37 #define KN01_CSR (14*KN01_SLOT_SIZE) /* system ctrl & status reg */ 38 #define KN01_SYS_ROM (15*KN01_SLOT_SIZE) /* system board ROM */ 39 40 41 /* 42 * Frame buffer memory address. 43 */ 44 #define KN01_VFB_MEM 0x0fc00000 45 46 /* 47 * CPU interrupt bits. 48 */ 49 #define KN01_CPU_INR_BUS 6 /* memory, I/O bus read/write errors */ 50 #define KN01_CPU_INR_VIDEO 6 /* PCC area detect #2 */ 51 #define KN01_CPU_INR_RTC 5 /* DS1287 RTC */ 52 #define KN01_CPU_INR_DZ11 4 /* DZ11 (DC7085) serial */ 53 #define KN01_CPU_INR_LANCE 3 /* LANCE (Am7990) Ethernet */ 54 #define KN01_CPU_INR_SII 2 /* SII (DC7061) SCSI */ 55 56 57 /* 58 * System Control & Status Register bits. 59 */ 60 #define KN01_CSR_MNFMOD (1<<15) /* MNFMOD manufacturing jumper */ 61 #define KN01_CSR_STATUS (1<<14) /* self-test result status output */ 62 #define KN01_CSR_PARDIS (1<<13) /* parity error disable */ 63 #define KN01_CSR_CRSRTST (1<<12) /* PCC test output */ 64 #define KN01_CSR_MONO (1<<11) /* mono/color fb SIMM installed */ 65 #define KN01_CSR_MEMERR (1<<10) /* write timeout error status & ack*/ 66 #define KN01_CSR_VINT (1<<9) /* PCC area detect #2 status & ack */ 67 #define KN01_CSR_TXDIS (1<<8) /* DZ11 transmit disable */ 68 #define KN01_CSR_VBGTRG (1<<2) /* blue DAC voltage over green (r/o) */ 69 #define KN01_CSR_VRGTRG (1<<1) /* red DAC voltage over green (r/o) */ 70 #define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */ 71 #define KN01_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ 72 73 74 #ifndef __ASSEMBLY__ 75 76 #include <linux/interrupt.h> 77 #include <linux/spinlock.h> 78 #include <linux/types.h> 79 80 struct pt_regs; 81 82 extern u16 cached_kn01_csr; 83 84 extern void dec_kn01_be_init(void); 85 extern int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup); 86 extern irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id); 87 #endif 88 89 #endif /* __ASM_MIPS_DEC_KN01_H */ 90