2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
5 * Copyright (c) 2010 Broadcom Corporation
8 * Portions of this file were derived from the sbchipc.h header contributed by
9 * Broadcom to to the Linux staging repository, as well as later revisions of
10 * sbchipc.h distributed with the Asus RT-N16 firmware source code release.
12 * Permission to use, copy, modify, and/or distribute this software for any
13 * purpose with or without fee is hereby granted, provided that the above
14 * copyright notice and this permission notice appear in all copies.
16 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
17 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
20 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
21 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
27 #ifndef _BHND_BHNDREG_H_
28 #define _BHND_BHNDREG_H_
31 * The default address at which the ChipCommon core is mapped on all siba(4)
32 * devices, and most (all?) bcma(4) devices.
34 #define BHND_DEFAULT_CHIPC_ADDR 0x18000000
37 * The standard size of a primary BHND_PORT_DEVICE or BHND_PORT_AGENT
40 #define BHND_DEFAULT_CORE_SIZE 0x1000
43 * The standard size of the siba(4) and bcma(4) enumeration space.
45 #define BHND_DEFAULT_ENUM_SIZE 0x00100000
48 * Common per-core clock control/status register available on PMU-equipped
51 * Clock Mode Name Description
52 * High Throughput (HT) Full bandwidth, low latency. Generally supplied
54 * Active Low Power (ALP) Register access, low speed DMA.
55 * Idle Low Power (ILP) No interconnect activity, or if long latency
58 #define BHND_CLK_CTL_ST 0x1e0 /**< clock control and status */
59 #define BHND_CCS_FORCEALP 0x00000001 /**< force ALP request */
60 #define BHND_CCS_FORCEHT 0x00000002 /**< force HT request */
61 #define BHND_CCS_FORCEILP 0x00000004 /**< force ILP request */
62 #define BHND_CCS_FORCE_MASK 0x0000000F
64 #define BHND_CCS_ALPAREQ 0x00000008 /**< ALP Avail Request */
65 #define BHND_CCS_HTAREQ 0x00000010 /**< HT Avail Request */
66 #define BHND_CCS_AREQ_MASK 0x00000018
68 #define BHND_CCS_FORCEHWREQOFF 0x00000020 /**< Force HW Clock Request Off */
70 #define BHND_CCS_ERSRC_REQ_MASK 0x00000700 /**< external resource requests */
71 #define BHND_CCS_ERSRC_REQ_SHIFT 8
72 #define BHND_CCS_ERSRC_MAX 2 /**< maximum ERSRC value (corresponding to bits 0-2) */
74 #define BHND_CCS_ALPAVAIL 0x00010000 /**< ALP is available */
75 #define BHND_CCS_HTAVAIL 0x00020000 /**< HT is available */
76 #define BHND_CCS_AVAIL_MASK 0x00030000
78 #define BHND_CCS_BP_ON_APL 0x00040000 /**< RO: Backplane is running on ALP clock */
79 #define BHND_CCS_BP_ON_HT 0x00080000 /**< RO: Backplane is running on HT clock */
80 #define BHND_CCS_ERSRC_STS_MASK 0x07000000 /**< external resource status */
81 #define BHND_CCS_ERSRC_STS_SHIFT 24
83 #define BHND_CCS0_HTAVAIL 0x00010000 /**< HT avail in chipc and pcmcia on 4328a0 */
84 #define BHND_CCS0_ALPAVAIL 0x00020000 /**< ALP avail in chipc and pcmcia on 4328a0 */
86 #define BHND_CCS_GET_FLAG(_value, _flag) \
87 (((_value) & _flag) != 0)
88 #define BHND_CCS_GET_BITS(_value, _field) \
89 (((_value) & _field ## _MASK) >> _field ## _SHIFT)
90 #define BHND_CCS_SET_BITS(_value, _field) \
91 (((_value) << _field ## _SHIFT) & _field ## _MASK)
93 #endif /* _BHND_BHNDREG_H_ */