ar71xx_cpudef.h revision 233081 
1/*-
2 * Copyright (c) 2010 Adrian Chadd
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/* $FreeBSD: head/sys/mips/atheros/ar71xx_cpudef.h 233081 2012-03-17 07:25:23Z adrian $ */
28
29#ifndef	__AR71XX_CPUDEF_H__
30#define	__AR71XX_CPUDEF_H__
31
32struct ar71xx_cpu_def {
33	void (* detect_mem_size) (void);
34	void (* detect_sys_frequency) (void);
35	void (* ar71xx_chip_device_stop) (uint32_t);
36	void (* ar71xx_chip_device_start) (uint32_t);
37	int (* ar71xx_chip_device_stopped) (uint32_t);
38	void (* ar71xx_chip_set_pll_ge) (int, int);
39	void (* ar71xx_chip_set_mii_speed) (uint32_t, uint32_t);
40	void (* ar71xx_chip_ddr_flush_ge) (int);
41	uint32_t (* ar71xx_chip_get_eth_pll) (unsigned int, int);
42
43	/*
44	 * From Linux - Handling this IRQ is a bit special.
45	 * AR71xx - AR71XX_DDR_REG_FLUSH_PCI
46	 * AR724x - AR724X_DDR_REG_FLUSH_PCIE
47	 * AR91xx - AR91XX_DDR_REG_FLUSH_WMAC
48	 *
49	 * These are set when STATUSF_IP2 is set in regiser c0.
50	 * This flush is done before the IRQ is handled to make
51	 * sure the driver correctly sees any memory updates.
52	 */
53	void (* ar71xx_chip_ddr_flush_ip2) (void);
54	/*
55	 * The USB peripheral init code is subtly different for
56	 * each chip.
57	 */
58	void (* ar71xx_chip_init_usb_peripheral) (void);
59};
60
61extern struct ar71xx_cpu_def * ar71xx_cpu_ops;
62
63static inline void ar71xx_detect_sys_frequency(void)
64{
65	ar71xx_cpu_ops->detect_sys_frequency();
66}
67
68static inline void ar71xx_device_stop(uint32_t mask)
69{
70	ar71xx_cpu_ops->ar71xx_chip_device_stop(mask);
71}
72
73static inline void ar71xx_device_start(uint32_t mask)
74{
75	ar71xx_cpu_ops->ar71xx_chip_device_start(mask);
76}
77
78static inline int ar71xx_device_stopped(uint32_t mask)
79{
80	return ar71xx_cpu_ops->ar71xx_chip_device_stopped(mask);
81}
82
83static inline void ar71xx_device_set_pll_ge(int unit, int speed)
84{
85	ar71xx_cpu_ops->ar71xx_chip_set_pll_ge(unit, speed);
86}
87
88static inline void ar71xx_device_set_mii_speed(int unit, int speed)
89{
90	ar71xx_cpu_ops->ar71xx_chip_set_mii_speed(unit, speed);
91}
92
93static inline void ar71xx_device_flush_ddr_ge(int unit)
94{
95	ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ge(unit);
96}
97
98static inline void ar71xx_init_usb_peripheral(void)
99{
100	ar71xx_cpu_ops->ar71xx_chip_init_usb_peripheral();
101}
102
103static inline void ar71xx_device_ddr_flush_ip2(void)
104{
105	ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ip2();
106}
107
108/* XXX shouldn't be here! */
109extern uint32_t u_ar71xx_cpu_freq;
110extern uint32_t u_ar71xx_ahb_freq;
111extern uint32_t u_ar71xx_ddr_freq;
112
113static inline uint64_t ar71xx_cpu_freq(void) { return u_ar71xx_cpu_freq; }
114static inline uint64_t ar71xx_ahb_freq(void) { return u_ar71xx_ahb_freq; }
115static inline uint64_t ar71xx_ddr_freq(void) { return u_ar71xx_ddr_freq; }
116
117#endif
118