ar71xx_cpudef.h revision 211509 
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 211509 2010-08-19 16:15:30Z 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_ge0) (int);
39	void (* ar71xx_chip_set_pll_ge1) (int);
40	void (* ar71xx_chip_ddr_flush_ge0) (void);
41	void (* ar71xx_chip_ddr_flush_ge1) (void);
42	uint32_t (* ar71xx_chip_get_eth_pll) (unsigned int, int);
43
44	/*
45	 * From Linux - Handling this IRQ is a bit special.
46	 * AR71xx - AR71XX_DDR_REG_FLUSH_PCI
47	 * AR724x - AR724X_DDR_REG_FLUSH_PCIE
48	 * AR91xx - AR91XX_DDR_REG_FLUSH_WMAC
49	 *
50	 * These are set when STATUSF_IP2 is set in regiser c0.
51	 * This flush is done before the IRQ is handled to make
52	 * sure the driver correctly sees any memory updates.
53	 */
54	void (* ar71xx_chip_irq_flush_ip2) (void);
55	/*
56	 * The USB peripheral init code is subtly different for
57	 * each chip.
58	 */
59	void (* ar71xx_chip_init_usb_peripheral) (void);
60};
61
62extern struct ar71xx_cpu_def * ar71xx_cpu_ops;
63
64static inline void ar71xx_detect_sys_frequency(void)
65{
66	ar71xx_cpu_ops->detect_sys_frequency();
67}
68
69static inline void ar71xx_device_stop(uint32_t mask)
70{
71	ar71xx_cpu_ops->ar71xx_chip_device_stop(mask);
72}
73
74static inline void ar71xx_device_start(uint32_t mask)
75{
76	ar71xx_cpu_ops->ar71xx_chip_device_start(mask);
77}
78
79static inline int ar71xx_device_stopped(uint32_t mask)
80{
81	return ar71xx_cpu_ops->ar71xx_chip_device_stopped(mask);
82}
83
84static inline void ar71xx_device_set_pll_ge0(int speed)
85{
86	ar71xx_cpu_ops->ar71xx_chip_set_pll_ge0(speed);
87}
88
89static inline void ar71xx_device_set_pll_ge1(int speed)
90{
91	ar71xx_cpu_ops->ar71xx_chip_set_pll_ge1(speed);
92}
93
94static inline void ar71xx_device_flush_ddr_ge0(void)
95{
96	ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ge0();
97}
98
99static inline void ar71xx_device_flush_ddr_ge1(void)
100{
101	ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ge1();
102}
103
104static inline void ar71xx_init_usb_peripheral(void)
105{
106	ar71xx_cpu_ops->ar71xx_chip_init_usb_peripheral();
107}
108
109/* XXX shouldn't be here! */
110extern uint32_t u_ar71xx_cpu_freq;
111extern uint32_t u_ar71xx_ahb_freq;
112extern uint32_t u_ar71xx_ddr_freq;
113
114static inline uint64_t ar71xx_cpu_freq(void) { return u_ar71xx_cpu_freq; }
115static inline uint64_t ar71xx_ahb_freq(void) { return u_ar71xx_ahb_freq; }
116static inline uint64_t ar71xx_ddr_freq(void) { return u_ar71xx_ddr_freq; }
117
118#endif
119