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Add the Sun3 obio flavor's DMA controller access registers.

This commit is contained in:
thorpej 2024-02-13 13:46:14 +00:00
parent bd04fd950e
commit b58c5ebc09
1 changed files with 6 additions and 2 deletions
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8
sys/dev/sun/sireg.h
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@ -1,4 +1,4 @@
/* $NetBSD: sireg.h,v 1.1 2024/02/13 05:35:13 thorpej Exp $ */
/* $NetBSD: sireg.h,v 1.2 2024/02/13 13:46:14 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -54,7 +54,9 @@ struct si_regs {
u_short dma_counth; /* DMA count (VME only) */
u_short dma_countl; /* (high word, low word) */
u_int pad0; /* no-existent register */
/* AMD 9516 regs (OBIO only) see am9516.h */
u_short udc_data; /* Am9516, reg data (OBIO only) */
u_short udc_addr; /* Am9516, reg addr (OBIO only) */
u_short fifo_data; /* fifo data register */
u_short fifo_count; /* fifo count register */
@ -83,6 +85,8 @@ struct si_regs {
#define SIREG_DMA_ADDRL (NCR5380REGS_SZ + 2) /* DMA address, low word */
#define SIREG_DMA_CNTH (NCR5380REGS_SZ + 4) /* DMA count, high word */
#define SIREG_DMA_CNTL (NCR5380REGS_SZ + 6) /* DMA count, low word */
#define SIREG_UDC_DATA (NCR5380REGS_SZ + 8) /* UDC reg data */
#define SIREG_UDC_ADDR (NCR5380REGS_SZ + 10) /* UDC reg addr */
#define SIREG_FIFO_DATA (NCR5380REGS_SZ + 12) /* FIFO data */
#define SIREG_FIFO_CNT (NCR5380REGS_SZ + 14) /* FIFO count, low word */
#define SIREG_CSR (NCR5380REGS_SZ + 16) /* Control/status register */