xref: /openbmc/linux/arch/sparc/include/asm/apb.h (revision b2441318)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * apb.h: Advanced PCI Bridge Configuration Registers and Bits
4  *
5  * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
6  */
7 
8 #ifndef _SPARC64_APB_H
9 #define _SPARC64_APB_H
10 
11 #define APB_TICK_REGISTER			0xb0
12 #define APB_INT_ACK				0xb8
13 #define APB_PRIMARY_MASTER_RETRY_LIMIT		0xc0
14 #define APB_DMA_ASFR				0xc8
15 #define APB_DMA_AFAR				0xd0
16 #define APB_PIO_TARGET_RETRY_LIMIT		0xd8
17 #define APB_PIO_TARGET_LATENCY_TIMER		0xd9
18 #define APB_DMA_TARGET_RETRY_LIMIT		0xda
19 #define APB_DMA_TARGET_LATENCY_TIMER		0xdb
20 #define APB_SECONDARY_MASTER_RETRY_LIMIT	0xdc
21 #define APB_SECONDARY_CONTROL			0xdd
22 #define APB_IO_ADDRESS_MAP			0xde
23 #define APB_MEM_ADDRESS_MAP			0xdf
24 
25 #define APB_PCI_CONTROL_LOW			0xe0
26 #  define APB_PCI_CTL_LOW_ARB_PARK			(1 << 21)
27 #  define APB_PCI_CTL_LOW_ERRINT_EN			(1 << 8)
28 
29 #define APB_PCI_CONTROL_HIGH			0xe4
30 #  define APB_PCI_CTL_HIGH_SERR				(1 << 2)
31 #  define APB_PCI_CTL_HIGH_ARBITER_EN			(1 << 0)
32 
33 #define APB_PIO_ASFR				0xe8
34 #define APB_PIO_AFAR				0xf0
35 #define APB_DIAG_REGISTER			0xf8
36 
37 #endif /* !(_SPARC64_APB_H) */
38