1 /* 2 * (C) Copyright 2011-2012 3 * Pali Rohár <pali.rohar@gmail.com> 4 * 5 * (C) Copyright 2011 6 * marcel@mesa.nl, Mesa Consulting B.V. 7 * 8 * (C) Copyright 2004-2005 9 * Nokia Corporation 10 * 11 * See file CREDITS for list of people who contributed to this 12 * project. 13 * 14 * This program is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License as 16 * published by the Free Software Foundation; either version 2 of 17 * the License, or (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 27 * MA 02111-1307 USA 28 */ 29 30 31 /* 32 * Code copied from maemo kernel 2.6.28 file 33 * arch/arm/plat-omap/include/mach/board.h 34 * 35 * Information structures for board-specific data 36 * 37 * Copyright (C) 2004 Nokia Corporation 38 * Written by Juha Yrjölä <juha.yrjola@nokia.com> 39 */ 40 41 /* Different peripheral ids */ 42 #define OMAP_TAG_CLOCK 0x4f01 43 #define OMAP_TAG_SERIAL_CONSOLE 0x4f03 44 #define OMAP_TAG_USB 0x4f04 45 #define OMAP_TAG_LCD 0x4f05 46 #define OMAP_TAG_GPIO_SWITCH 0x4f06 47 #define OMAP_TAG_UART 0x4f07 48 #define OMAP_TAG_FBMEM 0x4f08 49 #define OMAP_TAG_STI_CONSOLE 0x4f09 50 #define OMAP_TAG_CAMERA_SENSOR 0x4f0a 51 #define OMAP_TAG_PARTITION 0x4f0b 52 #define OMAP_TAG_TEA5761 0x4f10 53 #define OMAP_TAG_TMP105 0x4f11 54 55 #define OMAP_TAG_BOOT_REASON 0x4f80 56 #define OMAP_TAG_FLASH_PART_STR 0x4f81 57 #define OMAP_TAG_VERSION_STR 0x4f82 58 59 #define OMAP_TAG_NOKIA_BT 0x4e01 60 #define OMAP_TAG_WLAN_CX3110X 0x4e02 61 #define OMAP_TAG_CBUS 0x4e03 62 #define OMAP_TAG_EM_ASIC_BB5 0x4e04 63 64 65 struct omap_clock_config { 66 /* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */ 67 u8 system_clock_type; 68 }; 69 70 struct omap_serial_console_config { 71 u8 console_uart; 72 u32 console_speed; 73 }; 74 75 struct omap_sti_console_config { 76 unsigned enable:1; 77 u8 channel; 78 }; 79 80 struct omap_usb_config { 81 /* Configure drivers according to the connectors on your board: 82 * - "A" connector (rectagular) 83 * ... for host/OHCI use, set "register_host". 84 * - "B" connector (squarish) or "Mini-B" 85 * ... for device/gadget use, set "register_dev". 86 * - "Mini-AB" connector (very similar to Mini-B) 87 * ... for OTG use as device OR host, initialize "otg" 88 */ 89 unsigned register_host:1; 90 unsigned register_dev:1; 91 u8 otg; /* port number, 1-based: usb1 == 2 */ 92 93 u8 hmc_mode; 94 95 /* implicitly true if otg: host supports remote wakeup? */ 96 u8 rwc; 97 98 /* signaling pins used to talk to transceiver on usbN: 99 * 0 == usbN unused 100 * 2 == usb0-only, using internal transceiver 101 * 3 == 3 wire bidirectional 102 * 4 == 4 wire bidirectional 103 * 6 == 6 wire unidirectional (or TLL) 104 */ 105 u8 pins[3]; 106 }; 107 108 struct omap_lcd_config { 109 char panel_name[16]; 110 char ctrl_name[16]; 111 s16 nreset_gpio; 112 u8 data_lines; 113 }; 114 115 struct omap_fbmem_config { 116 u32 start; 117 u32 size; 118 }; 119 120 struct omap_gpio_switch_config { 121 char name[12]; 122 u16 gpio; 123 u8 flags:4; 124 u8 type:4; 125 unsigned int key_code:24; /* Linux key code */ 126 }; 127 128 struct omap_uart_config { 129 /* Bit field of UARTs present; bit 0 --> UART1 */ 130 unsigned int enabled_uarts; 131 }; 132 133 struct omap_tea5761_config { 134 u16 enable_gpio; 135 }; 136 137 struct omap_partition_config { 138 char name[16]; 139 unsigned int size; 140 unsigned int offset; 141 /* same as in include/linux/mtd/partitions.h */ 142 unsigned int mask_flags; 143 }; 144 145 struct omap_flash_part_str_config { 146 char part_table[0]; 147 }; 148 149 struct omap_boot_reason_config { 150 char reason_str[12]; 151 }; 152 153 struct omap_version_config { 154 char component[12]; 155 char version[12]; 156 }; 157 158 /* 159 * Code copied from maemo kernel 2.6.28 file 160 * arch/arm/plat-omap/include/mach/board-nokia.h 161 * 162 * Information structures for Nokia-specific board config data 163 * 164 * Copyright (C) 2005 Nokia Corporation 165 */ 166 167 struct omap_bluetooth_config { 168 u8 chip_type; 169 u8 bt_wakeup_gpio; 170 u8 host_wakeup_gpio; 171 u8 reset_gpio; 172 u8 bt_uart; 173 u8 bd_addr[6]; 174 u8 bt_sysclk; 175 }; 176 177 struct omap_wlan_cx3110x_config { 178 u8 chip_type; 179 u8 reserverd; 180 s16 power_gpio; 181 s16 irq_gpio; 182 s16 spi_cs_gpio; 183 }; 184 185 struct omap_cbus_config { 186 s16 clk_gpio; 187 s16 dat_gpio; 188 s16 sel_gpio; 189 }; 190 191 struct omap_em_asic_bb5_config { 192 s16 retu_irq_gpio; 193 s16 tahvo_irq_gpio; 194 }; 195 196 /* 197 * omap_tag handling 198 * 199 * processing omap tag structures 200 * 201 * Copyright (C) 2011 marcel@mesa.nl, Mesa Consulting B.V. 202 * Copyright (C) 2012 Pali Rohár <pali.rohar@gmail.com> 203 */ 204 205 /* TI OMAP specific information */ 206 #define ATAG_BOARD 0x414f4d50 207 208 struct tag_omap_header { 209 u16 tag; 210 u16 size; 211 }; 212 213 struct tag_omap { 214 struct tag_omap_header hdr; 215 union { 216 struct omap_clock_config clock; 217 struct omap_serial_console_config serial_console; 218 struct omap_sti_console_config sti_console; 219 struct omap_usb_config usb; 220 struct omap_lcd_config lcd; 221 struct omap_fbmem_config fbmem; 222 struct omap_gpio_switch_config gpio_switch; 223 struct omap_uart_config uart; 224 struct omap_tea5761_config tea5761; 225 struct omap_partition_config partition; 226 struct omap_flash_part_str_config flash_part_str; 227 struct omap_boot_reason_config boot_reason; 228 struct omap_version_config version; 229 struct omap_bluetooth_config bluetooth; 230 struct omap_wlan_cx3110x_config wlan_cx3110x; 231 struct omap_cbus_config cbus; 232 struct omap_em_asic_bb5_config em_asic_bb5; 233 } u; 234 }; 235 236 #define tag_omap_next(t) ((struct tag_omap *)((u8 *)(t) + \ 237 (t)->hdr.size + sizeof(struct tag_omap_header))) 238 239 #define OMAP_TAG_HEADER_CONFIG(config, type) \ 240 .hdr.tag = config, \ 241 .hdr.size = sizeof(struct type) 242 243 #define OMAP_TAG_UART_CONFIG(p1) \ 244 { \ 245 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_UART, omap_uart_config), \ 246 .u.uart.enabled_uarts = p1, \ 247 } 248 249 #define OMAP_TAG_SERIAL_CONSOLE_CONFIG(p1, p2) \ 250 { \ 251 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_SERIAL_CONSOLE, \ 252 omap_serial_console_config), \ 253 .u.serial_console.console_uart = p1, \ 254 .u.serial_console.console_speed = p2, \ 255 } 256 257 #define OMAP_TAG_LCD_CONFIG(p1, p2, p3, p4) \ 258 { \ 259 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_LCD, omap_lcd_config), \ 260 .u.lcd.panel_name = p1, \ 261 .u.lcd.ctrl_name = p2, \ 262 .u.lcd.nreset_gpio = p3, \ 263 .u.lcd.data_lines = p4, \ 264 } 265 266 #define OMAP_TAG_GPIO_SWITCH_CONFIG(p1, p2, p3, p4, p5) \ 267 { \ 268 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_GPIO_SWITCH, \ 269 omap_gpio_switch_config), \ 270 .u.gpio_switch.name = p1, \ 271 .u.gpio_switch.gpio = p2, \ 272 .u.gpio_switch.flags = p3, \ 273 .u.gpio_switch.type = p4, \ 274 .u.gpio_switch.key_code = p5, \ 275 } 276 277 #define OMAP_TAG_WLAN_CX3110X_CONFIG(p1, p2, p3, p4, p5) \ 278 { \ 279 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_WLAN_CX3110X, \ 280 omap_wlan_cx3110x_config), \ 281 .u.wlan_cx3110x.chip_type = p1, \ 282 .u.wlan_cx3110x.reserverd = p2, \ 283 .u.wlan_cx3110x.power_gpio = p3, \ 284 .u.wlan_cx3110x.irq_gpio = p4, \ 285 .u.wlan_cx3110x.spi_cs_gpio = p5, \ 286 } 287 288 #define OMAP_TAG_PARTITION_CONFIG(p1, p2, p3, p4) \ 289 { \ 290 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_PARTITION, \ 291 omap_partition_config), \ 292 .u.partition.name = p1, \ 293 .u.partition.size = p2, \ 294 .u.partition.offset = p3, \ 295 .u.partition.mask_flags = p4, \ 296 } 297 298 #define OMAP_TAG_BOOT_REASON_CONFIG(p1) \ 299 { \ 300 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_BOOT_REASON, \ 301 omap_boot_reason_config), \ 302 .u.boot_reason.reason_str = p1, \ 303 } 304 305 #define OMAP_TAG_VERSION_STR_CONFIG(p1, p2) \ 306 { \ 307 OMAP_TAG_HEADER_CONFIG(OMAP_TAG_VERSION_STR, \ 308 omap_version_config), \ 309 .u.version.component = p1, \ 310 .u.version.version = p2, \ 311 } 312