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exynos_var.h revision 1.17
      1 /*	$NetBSD: exynos_var.h,v 1.17 2014/09/30 12:55:29 reinoud Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013, 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas of 3am Software Foundry.
      9  *
     10  * This code is derived from software contributed to The NetBSD Foundation
     11  * by Reinoud Zandijk.
     12  *
     13  * Redistribution and use in source and binary forms, with or without
     14  * modification, are permitted provided that the following conditions
     15  * are met:
     16  * 1. Redistributions of source code must retain the above copyright
     17  *    notice, this list of conditions and the following disclaimer.
     18  * 2. Redistributions in binary form must reproduce the above copyright
     19  *    notice, this list of conditions and the following disclaimer in the
     20  *    documentation and/or other materials provided with the distribution.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  * POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #ifndef _ARM_SAMSUNG_EXYNOS_VAR_H_
     36 #define _ARM_SAMSUNG_EXYNOS_VAR_H_
     37 
     38 #include <sys/types.h>
     39 #include <sys/bus.h>
     40 #include <sys/gpio.h>
     41 #include <dev/gpio/gpiovar.h>
     42 #include <arm/samsung/exynos_reg.h>
     43 
     44 extern uint32_t exynos_soc_id;
     45 extern uint32_t exynos_pop_id;
     46 
     47 #define EXYNOS_PRODUCT_FAMILY(soc)	__SHIFTOUT((soc), __BITS(24,31))
     48 #define  EXYNOS4_PRODUCT_FAMILY		0xe4
     49 #define  EXYNOS5_PRODUCT_FAMILY		0xe5
     50 #define EXYNOS_PRODUCT_ID(soc)		__SHIFTOUT((soc), __BITS(12,31))
     51 #define EXYNOS_PRODUCT_PACKAGE(soc)	__SHIFTOUT((soc), __BITS(8,11))
     52 #define EXYNOS_PRODUCT_REV(soc)		__SHIFTOUT((soc), __BITS(4,7))
     53 #define EXYNOS_PRODUCT_SUBREV(soc)	__SHIFTOUT((soc), __BITS(0,3))
     54 
     55 
     56 #define IS_EXYNOS4410_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4410)
     57 #define IS_EXYNOS4412_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4412)
     58 #define IS_EXYNOS4412_R0_P() \
     59 			((EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe4412) && \
     60 			 (EXYNOS_PRODUCT_REV(exynos_soc_id) == 0))
     61 #define IS_EXYNOS4X12_P()	((EXYNOS_PRODUCT_ID(exynos_soc_id) & 0xff0ff) \
     62 			== 0xe4012)
     63 
     64 #define IS_EXYNOS4_P()	(EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS4_PRODUCT_FAMILY)
     65 
     66 #define IS_EXYNOS5410_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5410)
     67 #define IS_EXYNOS5422_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5422)
     68 #define IS_EXYNOS5440_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5440)
     69 
     70 #define IS_EXYNOS5_P()	(EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS5_PRODUCT_FAMILY)
     71 
     72 
     73 struct exyo_locators {
     74 	const char *loc_name;
     75 	bus_size_t loc_offset;
     76 	bus_size_t loc_size;
     77 	int loc_port;
     78 	int loc_intr;
     79 	int loc_flags;
     80 
     81 	/* for i2c: */
     82 	const char *loc_gpio_bus;
     83 	uint8_t loc_sda, loc_slc, loc_func;
     84 };
     85 
     86 
     87 struct exyo_attach_args {
     88 	struct exyo_locators exyo_loc;
     89 	bus_space_tag_t exyo_core_bst;
     90 	bus_space_tag_t exyo_core_a4x_bst;
     91 	bus_space_handle_t exyo_core_bsh;
     92 	bus_dma_tag_t exyo_dmat;
     93 	bus_dma_tag_t exyo_coherent_dmat;
     94 };
     95 
     96 struct exynos_gpio_pinset {
     97 	char pinset_group[10];
     98 	uint8_t pinset_func;
     99 	uint8_t pinset_mask;
    100 };
    101 
    102 struct exynos_gpio_pindata {
    103 	gpio_chipset_tag_t pd_gc;
    104 	int pd_pin;
    105 };
    106 
    107 
    108 #define EXYNOS_MAX_IIC_BUSSES 9
    109 struct i2c_controller;
    110 extern struct i2c_controller *exynos_i2cbus[EXYNOS_MAX_IIC_BUSSES];
    111 
    112 
    113 extern struct bus_space exynos_bs_tag;
    114 extern struct bus_space exynos_a4x_bs_tag;
    115 extern struct arm32_bus_dma_tag exynos_bus_dma_tag;
    116 extern struct arm32_bus_dma_tag exynos_coherent_bus_dma_tag;
    117 
    118 extern bus_space_handle_t exynos_core_bsh;
    119 extern bus_space_handle_t exynos_wdt_bsh;
    120 extern bus_space_handle_t exynos_pmu_bsh;
    121 extern bus_space_handle_t exynos_cmu_bsh;
    122 extern bus_space_handle_t exynos_sysreg_bsh;
    123 
    124 extern void exynos_bootstrap(vaddr_t, vaddr_t);
    125 extern void exynos_dma_bootstrap(psize_t memsize);
    126 extern void exynos_gpio_bootstrap(void);
    127 
    128 extern void exynos_clocks_bootstrap(void);
    129 extern void exynos_sysctl_cpufreq_init(void);
    130 extern uint64_t exynos_get_cpufreq(void);
    131 
    132 extern void exynos_device_register(device_t self, void *aux);
    133 extern void exynos_device_register_post_config(device_t self, void *aux);
    134 extern void exyo_device_register(device_t self, void *aux);
    135 extern void exyo_device_register_post_config(device_t self, void *aux);
    136 extern void exynos_wdt_reset(void);
    137 
    138 extern bool exynos_gpio_pinset_available(const struct exynos_gpio_pinset *);
    139 extern void exynos_gpio_pinset_acquire(const struct exynos_gpio_pinset *);
    140 extern void exynos_gpio_pinset_release(const struct exynos_gpio_pinset *);
    141 extern void exynos_gpio_pinset_to_pindata(const struct exynos_gpio_pinset *,
    142 	int pinnr, struct exynos_gpio_pindata *);
    143 extern bool exynos_gpio_pin_reserve(const char *, struct exynos_gpio_pindata *);
    144 
    145 static inline void
    146 exynos_gpio_pindata_write(const struct exynos_gpio_pindata *pd, int value)
    147 {
    148         gpiobus_pin_write(pd->pd_gc, pd->pd_pin, value);
    149 }
    150 
    151 static inline int
    152 exynos_gpio_pindata_read(const struct exynos_gpio_pindata *pd)
    153 {
    154         return gpiobus_pin_read(pd->pd_gc, pd->pd_pin);
    155 }
    156 
    157 static inline void
    158 exynos_gpio_pindata_ctl(const struct exynos_gpio_pindata *pd, int flags)
    159 {
    160         gpiobus_pin_ctl(pd->pd_gc, pd->pd_pin, flags);
    161 }
    162 
    163 
    164 #ifdef ARM_TRUSTZONE_FIRMWARE
    165 /* trustzone calls */
    166 extern int exynos_do_idle(void);
    167 extern int exynos_set_cpu_boot_addr(int cpu, vaddr_t boot_addr);
    168 extern int exynos_cpu_boot(int cpu);
    169 extern int exynos_l2cc_init(void);
    170 #endif
    171 
    172 #endif	/* _ARM_SAMSUNG_EXYNOS_VAR_H_ */
    173