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exynos_var.h revision 1.7
      1 /* $NetBSD: exynos_var.h,v 1.7 2014/05/10 10:47:17 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 
     61 #define IS_EXYNOS4_P()	(EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS4_PRODUCT_FAMILY)
     62 
     63 #define IS_EXYNOS5410_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5410)
     64 #define IS_EXYNOS5440_P()	(EXYNOS_PRODUCT_ID(exynos_soc_id) == 0xe5440)
     65 
     66 #define IS_EXYNOS5_P()	(EXYNOS_PRODUCT_FAMILY(exynos_soc_id) == EXYNOS5_PRODUCT_FAMILY)
     67 
     68 struct exyo_locators {
     69 	const char *loc_name;
     70 	bus_size_t loc_offset;
     71 	bus_size_t loc_size;
     72 	int loc_port;
     73 	int loc_intr;
     74 	int loc_flags;
     75 };
     76 
     77 #if 0
     78 #define EXYO_E4410	__BIT(0)
     79 #define EXYO_E4412	__BIT(1)
     80 #define EXYO_E5440	__BIT(2)
     81 #define EXYO_E5XXX	__BIT(3)
     82 
     83 #define EXYO_ONLY	__BITS(7,0)
     84 #define EXYO_ALL	__BITS(7,0)
     85 #define EXYO_REQUIRED	__BIT(8)
     86 #endif
     87 
     88 struct exyo_attach_args {
     89 	struct exyo_locators exyo_loc;
     90 	bus_space_tag_t exyo_core_bst;
     91 	bus_space_tag_t exyo_core_a4x_bst;
     92 	bus_space_handle_t exyo_core_bsh;
     93 	bus_dma_tag_t exyo_dmat;
     94 	bus_dma_tag_t exyo_coherent_dmat;
     95 };
     96 
     97 struct exynos_gpio_pinset {
     98 	char pinset_group[10];
     99 	uint8_t pinset_func;
    100 	uint32_t pinset_mask;
    101 };
    102 
    103 struct exynos_gpio_pindata {
    104 	gpio_chipset_tag_t pd_gc;
    105 	int pd_pin;
    106 };
    107 
    108 
    109 extern struct bus_space exynos_bs_tag;
    110 extern struct bus_space exynos_a4x_bs_tag;
    111 extern struct arm32_bus_dma_tag exynos_bus_dma_tag;
    112 extern struct arm32_bus_dma_tag exynos_coherent_bus_dma_tag;
    113 
    114 extern bus_space_handle_t exynos_core_bsh;
    115 
    116 extern void exynos_bootstrap(vaddr_t, vaddr_t);
    117 extern void exynos_dma_bootstrap(psize_t memsize);
    118 extern void exynos_gpio_bootstrap(void);
    119 
    120 extern void exynos_device_register(device_t self, void *aux);
    121 extern void exyo_device_register(device_t self, void *aux);
    122 extern void exynos_wdt_reset(void);
    123 
    124 extern bool exynos_gpio_pinset_available(const struct exynos_gpio_pinset *);
    125 extern void exynos_gpio_pinset_acquire(const struct exynos_gpio_pinset *);
    126 extern void exynos_gpio_pinset_release(const struct exynos_gpio_pinset *);
    127 extern bool exynos_gpio_pin_reserve(const char *, struct exynos_gpio_pindata *);
    128 
    129 static inline void
    130 exynos_gpio_pindata_write(const struct exynos_gpio_pindata *pd, int value)
    131 {
    132         gpiobus_pin_write(pd->pd_gc, pd->pd_pin, value);
    133 }
    134 
    135 static inline int
    136 exynos_gpio_pindata_read(const struct exynos_gpio_pindata *pd)
    137 {
    138         return gpiobus_pin_read(pd->pd_gc, pd->pd_pin);
    139 }
    140 
    141 static inline void
    142 exynos_gpio_pindata_ctl(const struct exynos_gpio_pindata *pd, int flags)
    143 {
    144         gpiobus_pin_ctl(pd->pd_gc, pd->pd_pin, flags);
    145 }
    146 
    147 
    148 #ifdef ARM_TRUSTZONE_FIRMWARE
    149 /* trustzone calls */
    150 extern int exynos_do_idle(void);
    151 extern int exynos_set_cpu_boot_addr(int cpu, vaddr_t boot_addr);
    152 extern int exynos_cpu_boot(int cpu);
    153 extern int exynos_l2cc_init(void);
    154 #endif
    155 
    156 #endif	/* _ARM_SAMSUNG_EXYNOS_VAR_H_ */
    157