diff options
Diffstat (limited to 'arch/mips/include/asm/dec/kn01.h')
| -rw-r--r-- | arch/mips/include/asm/dec/kn01.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dec/kn01.h b/arch/mips/include/asm/dec/kn01.h new file mode 100644 index 000000000000..28fa717ac423 --- /dev/null +++ b/arch/mips/include/asm/dec/kn01.h @@ -0,0 +1,90 @@ +/* + * 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 spinlock_t kn01_lock; + +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 */ |