| 1 | /* $OpenBSD: omap.c,v 1.9 2016/05/02 15:27:24 patrick Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2005,2008 Dale Rahn <drahn@openbsd.com> |
| 4 | * |
| 5 | * Permission to use, copy, modify, and distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <sys/param.h> |
| 19 | #include <sys/systm.h> |
| 20 | |
| 21 | #include <machine/bus.h> |
| 22 | |
| 23 | #include <arm/mainbus/mainbus.h> |
| 24 | #include <armv7/armv7/armv7var.h> |
| 25 | |
| 26 | int omap_match(struct device *, void *, void *); |
| 27 | void omap3_init(); |
| 28 | void omap4_init(); |
| 29 | void am335x_init(); |
| 30 | |
| 31 | struct cfattach omap_ca = { |
| 32 | sizeof(struct armv7_softc), omap_match, armv7_attach |
| 33 | }; |
| 34 | |
| 35 | struct cfdriver omap_cd = { |
| 36 | NULL, "omap", DV_DULL |
| 37 | }; |
| 38 | |
| 39 | struct board_dev beagleboard_devs[] = { |
| 40 | { "prcm", 0 }, |
| 41 | { "intc", 0 }, |
| 42 | { "gptimer", 0 }, |
| 43 | { "gptimer", 1 }, |
| 44 | { "omdog", 0 }, |
| 45 | { "omgpio", 0 }, |
| 46 | { "omgpio", 1 }, |
| 47 | { "omgpio", 2 }, |
| 48 | { "omgpio", 3 }, |
| 49 | { "omgpio", 4 }, |
| 50 | { "omgpio", 5 }, |
| 51 | { "ommmc", 0 }, /* HSMMC1 */ |
| 52 | { "com", 2 }, /* UART3 */ |
| 53 | { NULL, 0 } |
| 54 | }; |
| 55 | |
| 56 | struct board_dev beaglebone_devs[] = { |
| 57 | { "prcm", 0 }, |
| 58 | { "sitaracm", 0 }, |
| 59 | { "intc", 0 }, |
| 60 | { "edma", 0 }, |
| 61 | { "dmtimer", 0 }, |
| 62 | { "dmtimer", 1 }, |
| 63 | { "omdog", 0 }, |
| 64 | { "omgpio", 0 }, |
| 65 | { "omgpio", 1 }, |
| 66 | { "omgpio", 2 }, |
| 67 | { "omgpio", 3 }, |
| 68 | { "tiiic", 0 }, |
| 69 | { "tiiic", 1 }, |
| 70 | { "tiiic", 2 }, |
| 71 | { "ommmc", 0 }, /* HSMMC0 */ |
| 72 | { "ommmc", 1 }, /* HSMMC1 */ |
| 73 | { "com", 0 }, /* UART0 */ |
| 74 | { "cpsw", 0 }, |
| 75 | { NULL, 0 } |
| 76 | }; |
| 77 | |
| 78 | struct board_dev overo_devs[] = { |
| 79 | { "prcm", 0 }, |
| 80 | { "intc", 0 }, |
| 81 | { "gptimer", 0 }, |
| 82 | { "gptimer", 1 }, |
| 83 | { "omdog", 0 }, |
| 84 | { "omgpio", 0 }, |
| 85 | { "omgpio", 1 }, |
| 86 | { "omgpio", 2 }, |
| 87 | { "omgpio", 3 }, |
| 88 | { "omgpio", 4 }, |
| 89 | { "omgpio", 5 }, |
| 90 | { "ommmc", 0 }, /* HSMMC1 */ |
| 91 | { "com", 2 }, /* UART3 */ |
| 92 | { NULL, 0 } |
| 93 | }; |
| 94 | |
| 95 | struct board_dev pandaboard_devs[] = { |
| 96 | { "omapid", 0 }, |
| 97 | { "prcm", 0 }, |
| 98 | { "omdog", 0 }, |
| 99 | { "omgpio", 0 }, |
| 100 | { "omgpio", 1 }, |
| 101 | { "omgpio", 2 }, |
| 102 | { "omgpio", 3 }, |
| 103 | { "omgpio", 4 }, |
| 104 | { "omgpio", 5 }, |
| 105 | { "ommmc", 0 }, /* HSMMC1 */ |
| 106 | { "com", 2 }, /* UART3 */ |
| 107 | { "ehci", 0 }, |
| 108 | { NULL, 0 } |
| 109 | }; |
| 110 | |
| 111 | struct armv7_board omap_boards[] = { |
| 112 | { |
| 113 | BOARD_ID_OMAP3_BEAGLE, |
| 114 | "TI OMAP3 BeagleBoard", |
| 115 | beagleboard_devs, |
| 116 | omap3_init, |
| 117 | }, |
| 118 | { |
| 119 | BOARD_ID_AM335X_BEAGLEBONE, |
| 120 | "TI AM335x BeagleBone", |
| 121 | beaglebone_devs, |
| 122 | am335x_init, |
| 123 | }, |
| 124 | { |
| 125 | BOARD_ID_OMAP3_OVERO, |
| 126 | "Gumstix OMAP3 Overo", |
| 127 | overo_devs, |
| 128 | omap3_init, |
| 129 | }, |
| 130 | { |
| 131 | BOARD_ID_OMAP4_PANDA, |
| 132 | "TI OMAP4 PandaBoard", |
| 133 | pandaboard_devs, |
| 134 | omap4_init, |
| 135 | }, |
| 136 | { 0, NULL, NULL, NULL }, |
| 137 | }; |
| 138 | |
| 139 | struct board_dev * |
| 140 | omap_board_devs(void) |
| 141 | { |
| 142 | int i; |
| 143 | |
| 144 | for (i = 0; omap_boards[i].name != NULL; i++) { |
| 145 | if (omap_boards[i].board_id == board_id) |
| 146 | return (omap_boards[i].devs); |
| 147 | } |
| 148 | return (NULL); |
| 149 | } |
| 150 | |
| 151 | void |
| 152 | omap_board_init(void) |
| 153 | { |
| 154 | int i; |
| 155 | |
| 156 | for (i = 0; omap_boards[i].name != NULL; i++) { |
| 157 | if (omap_boards[i].board_id == board_id) { |
| 158 | omap_boards[i].init(); |
| 159 | break; |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | const char * |
| 165 | omap_board_name(void) |
| 166 | { |
| 167 | int i; |
| 168 | |
| 169 | for (i = 0; omap_boards[i].name != NULL; i++) { |
| 170 | if (omap_boards[i].board_id == board_id) |
| 171 | return (omap_boards[i].name); |
| 172 | } |
| 173 | return (NULL); |
| 174 | } |
| 175 | |
| 176 | int |
| 177 | omap_match(struct device *parent, void *cfdata, void *aux) |
| 178 | { |
| 179 | union mainbus_attach_args *ma = (union mainbus_attach_args *)aux; |
| 180 | struct cfdata *cf = (struct cfdata *)cfdata; |
| 181 | |
| 182 | if (ma->ma_name == NULL) |
| 183 | return (0); |
| 184 | |
| 185 | if (strcmp(cf->cf_driver->cd_name, ma->ma_name) != 0) |
| 186 | return (0); |
| 187 | |
| 188 | return (omap_board_devs() != NULL); |
| 189 | } |