1 /* $NetBSD: exynos_var.h,v 1.27 2018/10/08 08:17:00 skrll 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_bank[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 struct exynos_gpio_pin_cfg { 108 uint32_t cfg; 109 int cfg_valid; 110 uint32_t pud; 111 int pud_valid; 112 uint32_t drv; 113 int drv_valid; 114 uint32_t conpwd; 115 int conpwd_valid; 116 uint32_t pudpwd; 117 int pudpwd_valid; 118 }; 119 120 struct exynos_gpio_softc { 121 device_t sc_dev; 122 bus_space_tag_t sc_bst; 123 bus_space_handle_t sc_bsh; 124 struct exynos_gpio_bank *sc_bank; 125 int sc_phandle; 126 }; 127 128 #define EXYNOS_MAX_IIC_BUSSES 9 129 struct i2c_controller; 130 extern struct i2c_controller *exynos_i2cbus[EXYNOS_MAX_IIC_BUSSES]; 131 132 133 extern struct bus_space exynos_bs_tag; 134 extern struct bus_space exynos_a4x_bs_tag; 135 extern struct arm32_bus_dma_tag exynos_bus_dma_tag; 136 extern struct arm32_bus_dma_tag exynos_coherent_bus_dma_tag; 137 138 extern struct bus_space armv7_generic_bs_tag; 139 extern struct bus_space armv7_generic_a4x_bs_tag; 140 extern bus_space_handle_t exynos_core_bsh; 141 extern bus_space_handle_t exynos_wdt_bsh; 142 extern bus_space_handle_t exynos_pmu_bsh; 143 extern bus_space_handle_t exynos_cmu_bsh; 144 extern bus_space_handle_t exynos_sysreg_bsh; 145 146 extern void exynos_bootstrap(int); 147 extern void exynos_dma_bootstrap(psize_t memsize); 148 149 struct exynos_pinctrl_softc; 150 struct exynos_gpio_softc; 151 struct fdt_attach_args; 152 153 extern struct exynos_gpio_softc * exynos_gpio_bank_config(struct exynos_pinctrl_softc *, 154 const struct fdt_attach_args *, int); 155 extern void exynos_wdt_reset(void); 156 157 extern void exynos_init_clkout_for_usb(void); // board specific 158 159 extern void exynos_clocks_bootstrap(void); 160 extern void exynos_sysctl_cpufreq_init(void); 161 extern uint64_t exynos_get_cpufreq(void); 162 163 extern void exynos_device_register(device_t self, void *aux); 164 extern void exynos_device_register_post_config(device_t self, void *aux); 165 extern void exynos_usb_phy_init(bus_space_handle_t usb2phy_bsh); 166 extern void exynos_usb_soc_powerup(void); 167 168 extern void exyo_device_register(device_t self, void *aux); 169 extern void exyo_device_register_post_config(device_t self, void *aux); 170 171 extern struct exynos_gpio_bank *exynos_gpio_bank_lookup(const char *name); 172 extern bool exynos_gpio_pinset_available(const struct exynos_gpio_pinset *); 173 extern void exynos_gpio_pinset_acquire(const struct exynos_gpio_pinset *); 174 extern void exynos_gpio_pinset_release(const struct exynos_gpio_pinset *); 175 extern void exynos_gpio_pinset_to_pindata(const struct exynos_gpio_pinset *, 176 int pinnr, struct exynos_gpio_pindata *); 177 extern bool exynos_gpio_pin_reserve(const char *, struct exynos_gpio_pindata *); 178 extern void exynos_gpio_pin_ctl_write(const struct exynos_gpio_bank *, 179 const struct exynos_gpio_pin_cfg *, 180 int); 181 static inline void 182 exynos_gpio_pindata_write(const struct exynos_gpio_pindata *pd, int value) 183 { 184 gpiobus_pin_write(pd->pd_gc, pd->pd_pin, value); 185 } 186 187 static inline int 188 exynos_gpio_pindata_read(const struct exynos_gpio_pindata *pd) 189 { 190 return gpiobus_pin_read(pd->pd_gc, pd->pd_pin); 191 } 192 193 static inline void 194 exynos_gpio_pindata_ctl(const struct exynos_gpio_pindata *pd, int flags) 195 { 196 gpiobus_pin_ctl(pd->pd_gc, pd->pd_pin, flags); 197 } 198 199 200 #ifdef ARM_TRUSTZONE_FIRMWARE 201 /* trustzone calls */ 202 extern int exynos_do_idle(void); 203 extern int exynos_set_cpu_boot_addr(int cpu, vaddr_t boot_addr); 204 extern int exynos_cpu_boot(int cpu); 205 #ifdef EXYNOS4 206 extern int exynos4_l2cc_init(void); 207 #endif 208 #endif 209 210 #endif /* _ARM_SAMSUNG_EXYNOS_VAR_H_ */ 211