1*769dc45fSpatrick /* $OpenBSD: platform.c,v 1.11 2016/08/15 13:42:49 patrick 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); 41*769dc45fSpatrick void com_fdt_init_cons(void); 42557e6971Sjsg void sxiuart_init_cons(void); 43557e6971Sjsg void pl011_init_cons(void); 44367aba55Skettenis void bcmmuart_init_cons(void); 45557e6971Sjsg 46f93d18d6Sjsg struct armv7_platform *imx_platform_match(void); 47f93d18d6Sjsg struct armv7_platform *omap_platform_match(void); 48f93d18d6Sjsg struct armv7_platform *sunxi_platform_match(void); 49f397ad73Sjsg struct armv7_platform *exynos_platform_match(void); 508f424995Sjsg struct armv7_platform *vexpress_platform_match(void); 51f93d18d6Sjsg 52f93d18d6Sjsg struct armv7_platform * (*plat_match[])(void) = { 53f93d18d6Sjsg #if NIMX > 0 54f93d18d6Sjsg imx_platform_match, 55f93d18d6Sjsg #endif 56f93d18d6Sjsg #if NOMAP > 0 57f93d18d6Sjsg omap_platform_match, 58f93d18d6Sjsg #endif 59f93d18d6Sjsg #if NSUNXI > 0 60f93d18d6Sjsg sunxi_platform_match, 61f93d18d6Sjsg #endif 62f397ad73Sjsg #if NEXYNOS > 0 63f397ad73Sjsg exynos_platform_match, 64f397ad73Sjsg #endif 658f424995Sjsg #if NVEXPRESS > 0 668f424995Sjsg vexpress_platform_match, 678f424995Sjsg #endif 68f93d18d6Sjsg }; 69f93d18d6Sjsg 70eeb18b9dSjsg struct board_dev no_devs[] = { 71eeb18b9dSjsg { NULL, 0 } 72eeb18b9dSjsg }; 73eeb18b9dSjsg 74f93d18d6Sjsg void 75f93d18d6Sjsg platform_init(void) 76f93d18d6Sjsg { 77f93d18d6Sjsg int i; 78f93d18d6Sjsg 7924e5cb75Skettenis agtimer_init(); 8024e5cb75Skettenis 81f93d18d6Sjsg for (i = 0; i < nitems(plat_match); i++) { 82f93d18d6Sjsg platform = plat_match[i](); 83f93d18d6Sjsg if (platform != NULL) 84f93d18d6Sjsg break; 85f93d18d6Sjsg } 86eeb18b9dSjsg if (platform && platform->board_init) 87a6e67600Sjsg platform->board_init(); 88f93d18d6Sjsg } 89f93d18d6Sjsg 90f93d18d6Sjsg void 91f93d18d6Sjsg platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off, 92f93d18d6Sjsg uint32_t op, uint32_t val) 93f93d18d6Sjsg { 94eeb18b9dSjsg if (platform && platform->smc_write) 95f93d18d6Sjsg platform->smc_write(iot, ioh, off, op, val); 96eeb18b9dSjsg else 97eeb18b9dSjsg bus_space_write_4(iot, ioh, off, val); 98f93d18d6Sjsg } 99f93d18d6Sjsg 100f93d18d6Sjsg void 101f93d18d6Sjsg platform_init_cons(void) 102f93d18d6Sjsg { 103557e6971Sjsg if (platform && platform->init_cons) { 104f93d18d6Sjsg platform->init_cons(); 105557e6971Sjsg return; 106557e6971Sjsg } 107557e6971Sjsg exuart_init_cons(); 108557e6971Sjsg imxuart_init_cons(); 109*769dc45fSpatrick com_fdt_init_cons(); 110557e6971Sjsg sxiuart_init_cons(); 111557e6971Sjsg pl011_init_cons(); 112367aba55Skettenis bcmmuart_init_cons(); 113f93d18d6Sjsg } 114f93d18d6Sjsg 115f93d18d6Sjsg void 1164a91dee8Skettenis platform_init_mainbus(struct device *self) 1174a91dee8Skettenis { 118eeb18b9dSjsg if (platform && platform->init_mainbus) 1194a91dee8Skettenis platform->init_mainbus(self); 120eeb18b9dSjsg else 121eeb18b9dSjsg mainbus_legacy_found(self, "cortex"); 1224a91dee8Skettenis } 1234a91dee8Skettenis 1244a91dee8Skettenis void 125f93d18d6Sjsg platform_watchdog_reset(void) 126f93d18d6Sjsg { 127eeb18b9dSjsg if (platform && platform->watchdog_reset) 128f93d18d6Sjsg platform->watchdog_reset(); 129f93d18d6Sjsg } 130f93d18d6Sjsg 131f93d18d6Sjsg void 132f93d18d6Sjsg platform_powerdown(void) 133f93d18d6Sjsg { 134eeb18b9dSjsg if (platform && platform->powerdown) 135f93d18d6Sjsg platform->powerdown(); 136f93d18d6Sjsg } 137f93d18d6Sjsg 138f93d18d6Sjsg void 139f93d18d6Sjsg platform_disable_l2_if_needed(void) 140f93d18d6Sjsg { 141eeb18b9dSjsg if (platform && platform->disable_l2_if_needed) 142f93d18d6Sjsg platform->disable_l2_if_needed(); 143f93d18d6Sjsg } 144f93d18d6Sjsg 145f93d18d6Sjsg struct board_dev * 146f93d18d6Sjsg platform_board_devs() 147f93d18d6Sjsg { 148eeb18b9dSjsg if (platform && platform->devs) 149f93d18d6Sjsg return (platform->devs); 150eeb18b9dSjsg else 151eeb18b9dSjsg return (no_devs); 152f93d18d6Sjsg } 153