exynos_var.h revision 1.14 1 /* $NetBSD: exynos_var.h,v 1.14 2014/09/02 15:49:59 reinoud Exp $ */
2 /*-
3 * Copyright (c) 2013, 2014 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Matt Thomas of 3am Software Foundry.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Reinoud Zandijk.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifndef _ARM_SAMSUNG_EXYNOS_VAR_H_
35 #define _ARM_SAMSUNG_EXYNOS_VAR_H_
36
37 #include <sys/types.h>
38 #include <sys/bus.h>
39 #include <sys/gpio.h>
40 #include <dev/gpio/gpiovar.h>
41 #include <arm/samsung/exynos_reg.h>
42
43 extern uint32_t exynos_soc_id;
44 extern uint32_t exynos_pop_id;
45
46 #define EXYNOS_PRODUCT_FAMILY(soc) __SHIFTOUT((soc), __BITS(24,31))
47 #define EXYNOS4_PRODUCT_FAMILY 0xe4
48 #define EXYNOS5_PRODUCT_FAMILY 0xe5
49 #define EXYNOS_PRODUCT_ID(soc) __SHIFTOUT((soc), __BITS(12,31))
50 #define EXYNOS_PRODUCT_PACKAGE(soc) __SHIFTOUT((soc), __BITS(8,11))
51 #define EXYNOS_PRODUCT_REV(soc) __SHIFTOUT((soc), __BITS(4,7))
52 #define EXYNOS_PRODUCT_SUBREV(soc) __SHIFTOUT((soc), __BITS(0,3))
53
54
55 #define IS_EXYNOS4410_P() (EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4410)
56 #define IS_EXYNOS4412_P() (EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4412)
57 #define IS_EXYNOS4412_R0_P() \
58 ((EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4412) && \
59 (EXYNOS_PRODUCT_REV(exynos_soc_id) == 0))
60 #define IS_EXYNOS4X12_P() ((EXYNOS_PRODUCT_ID(exynos_soc_id) & 0xff0ff) \
61 == 0xe4012)
62
63 #define IS_EXYNOS4_P() (EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS4_PRODUCT_FAMILY)
64
65 #define IS_EXYNOS5410_P() (EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5410)
66 #define IS_EXYNOS5422_P() (EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5422)
67 #define IS_EXYNOS5440_P() (EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5440)
68
69 #define IS_EXYNOS5_P() (EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS5_PRODUCT_FAMILY)
70
71 struct exyo_locators {
72 const char *loc_name;
73 bus_size_t loc_offset;
74 bus_size_t loc_size;
75 int loc_port;
76 int loc_intr;
77 int loc_flags;
78
79 /* for i2c: */
80 const char *loc_gpio_bus;
81 uint8_t loc_sda, loc_slc, loc_func;
82 };
83
84
85 struct exyo_attach_args {
86 struct exyo_locators exyo_loc;
87 bus_space_tag_t exyo_core_bst;
88 bus_space_tag_t exyo_core_a4x_bst;
89 bus_space_handle_t exyo_core_bsh;
90 bus_dma_tag_t exyo_dmat;
91 bus_dma_tag_t exyo_coherent_dmat;
92 };
93
94 struct exynos_gpio_pinset {
95 char pinset_group[10];
96 uint8_t pinset_func;
97 uint8_t pinset_mask;
98 };
99
100 struct exynos_gpio_pindata {
101 gpio_chipset_tag_t pd_gc;
102 int pd_pin;
103 };
104
105
106 #define EXYNOS_MAX_IIC_BUSSES 9
107 struct i2c_controller;
108 extern struct i2c_controller *exynos_i2cbus[EXYNOS_MAX_IIC_BUSSES];
109
110
111 extern struct bus_space exynos_bs_tag;
112 extern struct bus_space exynos_a4x_bs_tag;
113 extern struct arm32_bus_dma_tag exynos_bus_dma_tag;
114 extern struct arm32_bus_dma_tag exynos_coherent_bus_dma_tag;
115
116 extern bus_space_handle_t exynos_core_bsh;
117
118 extern void exynos_bootstrap(vaddr_t, vaddr_t);
119 extern void exynos_dma_bootstrap(psize_t memsize);
120 extern void exynos_gpio_bootstrap(void);
121
122 extern void exynos_clocks_bootstrap(void);
123 extern void exynos_sysctl_cpufreq_init(void);
124 extern uint64_t exynos_get_cpufreq(void);
125
126 extern void exynos_device_register(device_t self, void *aux);
127 extern void exynos_device_register_post_config(device_t self, void *aux);
128 extern void exyo_device_register(device_t self, void *aux);
129 extern void exyo_device_register_post_config(device_t self, void *aux);
130 extern void exynos_wdt_reset(void);
131
132 extern bool exynos_gpio_pinset_available(const struct exynos_gpio_pinset *);
133 extern void exynos_gpio_pinset_acquire(const struct exynos_gpio_pinset *);
134 extern void exynos_gpio_pinset_release(const struct exynos_gpio_pinset *);
135 extern void exynos_gpio_pinset_to_pindata(const struct exynos_gpio_pinset *,
136 int pinnr, struct exynos_gpio_pindata *);
137 extern bool exynos_gpio_pin_reserve(const char *, struct exynos_gpio_pindata *);
138
139 static inline void
140 exynos_gpio_pindata_write(const struct exynos_gpio_pindata *pd, int value)
141 {
142 gpiobus_pin_write(pd->pd_gc, pd->pd_pin, value);
143 }
144
145 static inline int
146 exynos_gpio_pindata_read(const struct exynos_gpio_pindata *pd)
147 {
148 return gpiobus_pin_read(pd->pd_gc, pd->pd_pin);
149 }
150
151 static inline void
152 exynos_gpio_pindata_ctl(const struct exynos_gpio_pindata *pd, int flags)
153 {
154 gpiobus_pin_ctl(pd->pd_gc, pd->pd_pin, flags);
155 }
156
157
158 #ifdef ARM_TRUSTZONE_FIRMWARE
159 /* trustzone calls */
160 extern int exynos_do_idle(void);
161 extern int exynos_set_cpu_boot_addr(int cpu, vaddr_t boot_addr);
162 extern int exynos_cpu_boot(int cpu);
163 extern int exynos_l2cc_init(void);
164 #endif
165
166 #endif /* _ARM_SAMSUNG_EXYNOS_VAR_H_ */
167