1*360d91c8Sjsg /* $OpenBSD: platform.c,v 1.14 2016/08/31 16:19:40 jsg Exp $ */ 2f93d18d6Sjsg /* 3f93d18d6Sjsg * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se> 4f93d18d6Sjsg * 5f93d18d6Sjsg * Permission to use, copy, modify, and distribute this software for any 6f93d18d6Sjsg * purpose with or without fee is hereby granted, provided that the above 7f93d18d6Sjsg * copyright notice and this permission notice appear in all copies. 8f93d18d6Sjsg * 9f93d18d6Sjsg * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10f93d18d6Sjsg * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11f93d18d6Sjsg * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12f93d18d6Sjsg * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13f93d18d6Sjsg * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14f93d18d6Sjsg * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15f93d18d6Sjsg * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16f93d18d6Sjsg */ 17f93d18d6Sjsg 18f93d18d6Sjsg #include <sys/param.h> 19f93d18d6Sjsg #include <sys/types.h> 20f93d18d6Sjsg #include <sys/systm.h> 21f93d18d6Sjsg 22f93d18d6Sjsg #include <machine/bus.h> 23f93d18d6Sjsg 24eeb18b9dSjsg #include <arm/mainbus/mainbus.h> 25f93d18d6Sjsg #include <armv7/armv7/armv7var.h> 26f93d18d6Sjsg #include <armv7/armv7/armv7_machdep.h> 27f93d18d6Sjsg #include <arm/cortex/smc.h> 28f93d18d6Sjsg 29f93d18d6Sjsg #include "imx.h" 30f93d18d6Sjsg #include "omap.h" 31f93d18d6Sjsg #include "sunxi.h" 32f397ad73Sjsg #include "exynos.h" 338f424995Sjsg #include "vexpress.h" 34f93d18d6Sjsg 35f93d18d6Sjsg static struct armv7_platform *platform; 36f93d18d6Sjsg 3724e5cb75Skettenis void agtimer_init(void); 3824e5cb75Skettenis 39557e6971Sjsg void exuart_init_cons(void); 40557e6971Sjsg void imxuart_init_cons(void); 41769dc45fSpatrick void com_fdt_init_cons(void); 42*360d91c8Sjsg void pluart_init_cons(void); 43557e6971Sjsg 44f93d18d6Sjsg struct armv7_platform *imx_platform_match(void); 45f93d18d6Sjsg struct armv7_platform *omap_platform_match(void); 46f93d18d6Sjsg struct armv7_platform *sunxi_platform_match(void); 47f397ad73Sjsg struct armv7_platform *exynos_platform_match(void); 488f424995Sjsg struct armv7_platform *vexpress_platform_match(void); 49f93d18d6Sjsg 50f93d18d6Sjsg struct armv7_platform * (*plat_match[])(void) = { 51f93d18d6Sjsg #if NIMX > 0 52f93d18d6Sjsg imx_platform_match, 53f93d18d6Sjsg #endif 54f93d18d6Sjsg #if NOMAP > 0 55f93d18d6Sjsg omap_platform_match, 56f93d18d6Sjsg #endif 57f93d18d6Sjsg #if NSUNXI > 0 58f93d18d6Sjsg sunxi_platform_match, 59f93d18d6Sjsg #endif 60f397ad73Sjsg #if NEXYNOS > 0 61f397ad73Sjsg exynos_platform_match, 62f397ad73Sjsg #endif 638f424995Sjsg #if NVEXPRESS > 0 648f424995Sjsg vexpress_platform_match, 658f424995Sjsg #endif 66f93d18d6Sjsg }; 67f93d18d6Sjsg 68eeb18b9dSjsg struct board_dev no_devs[] = { 69eeb18b9dSjsg { NULL, 0 } 70eeb18b9dSjsg }; 71eeb18b9dSjsg 72f93d18d6Sjsg void 73f93d18d6Sjsg platform_init(void) 74f93d18d6Sjsg { 75f93d18d6Sjsg int i; 76f93d18d6Sjsg 7724e5cb75Skettenis agtimer_init(); 7824e5cb75Skettenis 79f93d18d6Sjsg for (i = 0; i < nitems(plat_match); i++) { 80f93d18d6Sjsg platform = plat_match[i](); 81f93d18d6Sjsg if (platform != NULL) 82f93d18d6Sjsg break; 83f93d18d6Sjsg } 84eeb18b9dSjsg if (platform && platform->board_init) 85a6e67600Sjsg platform->board_init(); 86f93d18d6Sjsg } 87f93d18d6Sjsg 88f93d18d6Sjsg void 89f93d18d6Sjsg platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off, 90f93d18d6Sjsg uint32_t op, uint32_t val) 91f93d18d6Sjsg { 92eeb18b9dSjsg if (platform && platform->smc_write) 93f93d18d6Sjsg platform->smc_write(iot, ioh, off, op, val); 94eeb18b9dSjsg else 95eeb18b9dSjsg bus_space_write_4(iot, ioh, off, val); 96f93d18d6Sjsg } 97f93d18d6Sjsg 98f93d18d6Sjsg void 99f93d18d6Sjsg platform_init_cons(void) 100f93d18d6Sjsg { 101557e6971Sjsg if (platform && platform->init_cons) { 102f93d18d6Sjsg platform->init_cons(); 103557e6971Sjsg return; 104557e6971Sjsg } 105557e6971Sjsg exuart_init_cons(); 106557e6971Sjsg imxuart_init_cons(); 107769dc45fSpatrick com_fdt_init_cons(); 108*360d91c8Sjsg pluart_init_cons(); 109f93d18d6Sjsg } 110f93d18d6Sjsg 111f93d18d6Sjsg void 1124a91dee8Skettenis platform_init_mainbus(struct device *self) 1134a91dee8Skettenis { 114eeb18b9dSjsg if (platform && platform->init_mainbus) 1154a91dee8Skettenis platform->init_mainbus(self); 116eeb18b9dSjsg else 117eeb18b9dSjsg mainbus_legacy_found(self, "cortex"); 1184a91dee8Skettenis } 1194a91dee8Skettenis 1204a91dee8Skettenis void 121f93d18d6Sjsg platform_watchdog_reset(void) 122f93d18d6Sjsg { 123eeb18b9dSjsg if (platform && platform->watchdog_reset) 124f93d18d6Sjsg platform->watchdog_reset(); 125f93d18d6Sjsg } 126f93d18d6Sjsg 127f93d18d6Sjsg void 128f93d18d6Sjsg platform_powerdown(void) 129f93d18d6Sjsg { 130eeb18b9dSjsg if (platform && platform->powerdown) 131f93d18d6Sjsg platform->powerdown(); 132f93d18d6Sjsg } 133f93d18d6Sjsg 134f93d18d6Sjsg void 135f93d18d6Sjsg platform_disable_l2_if_needed(void) 136f93d18d6Sjsg { 137eeb18b9dSjsg if (platform && platform->disable_l2_if_needed) 138f93d18d6Sjsg platform->disable_l2_if_needed(); 139f93d18d6Sjsg } 140f93d18d6Sjsg 141f93d18d6Sjsg struct board_dev * 142f93d18d6Sjsg platform_board_devs() 143f93d18d6Sjsg { 144eeb18b9dSjsg if (platform && platform->devs) 145f93d18d6Sjsg return (platform->devs); 146eeb18b9dSjsg else 147eeb18b9dSjsg return (no_devs); 148f93d18d6Sjsg } 149