1 /* 2 * linux/arch/arm/mach-omap1/board-osk.c 3 * 4 * Board specific init for OMAP5912 OSK 5 * 6 * Written by Dirk Behme <dirk.behme@de.bosch.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * You should have received a copy of the GNU General Public License along 25 * with this program; if not, write to the Free Software Foundation, Inc., 26 * 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29 #include <linux/kernel.h> 30 #include <linux/init.h> 31 #include <linux/platform_device.h> 32 #include <linux/interrupt.h> 33 34 #include <linux/mtd/mtd.h> 35 #include <linux/mtd/partitions.h> 36 #include <linux/input.h> 37 38 #include <asm/hardware.h> 39 #include <asm/mach-types.h> 40 #include <asm/mach/arch.h> 41 #include <asm/mach/map.h> 42 #include <asm/mach/flash.h> 43 44 #include <asm/arch/gpio.h> 45 #include <asm/arch/usb.h> 46 #include <asm/arch/mux.h> 47 #include <asm/arch/tc.h> 48 #include <asm/arch/keypad.h> 49 #include <asm/arch/common.h> 50 #include <asm/arch/mcbsp.h> 51 #include <asm/arch/omap-alsa.h> 52 53 static int osk_keymap[] = { 54 KEY(0, 0, KEY_F1), 55 KEY(0, 3, KEY_UP), 56 KEY(1, 1, KEY_LEFTCTRL), 57 KEY(1, 2, KEY_LEFT), 58 KEY(2, 0, KEY_SPACE), 59 KEY(2, 1, KEY_ESC), 60 KEY(2, 2, KEY_DOWN), 61 KEY(3, 2, KEY_ENTER), 62 KEY(3, 3, KEY_RIGHT), 63 0 64 }; 65 66 67 static struct mtd_partition osk_partitions[] = { 68 /* bootloader (U-Boot, etc) in first sector */ 69 { 70 .name = "bootloader", 71 .offset = 0, 72 .size = SZ_128K, 73 .mask_flags = MTD_WRITEABLE, /* force read-only */ 74 }, 75 /* bootloader params in the next sector */ 76 { 77 .name = "params", 78 .offset = MTDPART_OFS_APPEND, 79 .size = SZ_128K, 80 .mask_flags = 0, 81 }, { 82 .name = "kernel", 83 .offset = MTDPART_OFS_APPEND, 84 .size = SZ_2M, 85 .mask_flags = 0 86 }, { 87 .name = "filesystem", 88 .offset = MTDPART_OFS_APPEND, 89 .size = MTDPART_SIZ_FULL, 90 .mask_flags = 0 91 } 92 }; 93 94 static struct flash_platform_data osk_flash_data = { 95 .map_name = "cfi_probe", 96 .width = 2, 97 .parts = osk_partitions, 98 .nr_parts = ARRAY_SIZE(osk_partitions), 99 }; 100 101 static struct resource osk_flash_resource = { 102 /* this is on CS3, wherever it's mapped */ 103 .flags = IORESOURCE_MEM, 104 }; 105 106 static struct platform_device osk5912_flash_device = { 107 .name = "omapflash", 108 .id = 0, 109 .dev = { 110 .platform_data = &osk_flash_data, 111 }, 112 .num_resources = 1, 113 .resource = &osk_flash_resource, 114 }; 115 116 static struct resource osk5912_smc91x_resources[] = { 117 [0] = { 118 .start = OMAP_OSK_ETHR_START, /* Physical */ 119 .end = OMAP_OSK_ETHR_START + 0xf, 120 .flags = IORESOURCE_MEM, 121 }, 122 [1] = { 123 .start = OMAP_GPIO_IRQ(0), 124 .end = OMAP_GPIO_IRQ(0), 125 .flags = IORESOURCE_IRQ, 126 }, 127 }; 128 129 static struct platform_device osk5912_smc91x_device = { 130 .name = "smc91x", 131 .id = -1, 132 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), 133 .resource = osk5912_smc91x_resources, 134 }; 135 136 static struct resource osk5912_cf_resources[] = { 137 [0] = { 138 .start = OMAP_GPIO_IRQ(62), 139 .end = OMAP_GPIO_IRQ(62), 140 .flags = IORESOURCE_IRQ, 141 }, 142 }; 143 144 static struct platform_device osk5912_cf_device = { 145 .name = "omap_cf", 146 .id = -1, 147 .dev = { 148 .platform_data = (void *) 2 /* CS2 */, 149 }, 150 .num_resources = ARRAY_SIZE(osk5912_cf_resources), 151 .resource = osk5912_cf_resources, 152 }; 153 154 #define DEFAULT_BITPERSAMPLE 16 155 156 static struct omap_mcbsp_reg_cfg mcbsp_regs = { 157 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), 158 .spcr1 = RINTM(3) | RRST, 159 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | 160 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), 161 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), 162 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | 163 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, 164 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), 165 .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), 166 .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), 167 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */ 168 .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ 169 }; 170 171 static struct omap_alsa_codec_config alsa_config = { 172 .name = "OSK AIC23", 173 .mcbsp_regs_alsa = &mcbsp_regs, 174 .codec_configure_dev = NULL, // aic23_configure, 175 .codec_set_samplerate = NULL, // aic23_set_samplerate, 176 .codec_clock_setup = NULL, // aic23_clock_setup, 177 .codec_clock_on = NULL, // aic23_clock_on, 178 .codec_clock_off = NULL, // aic23_clock_off, 179 .get_default_samplerate = NULL, // aic23_get_default_samplerate, 180 }; 181 182 static struct platform_device osk5912_mcbsp1_device = { 183 .name = "omap_alsa_mcbsp", 184 .id = 1, 185 .dev = { 186 .platform_data = &alsa_config, 187 }, 188 }; 189 190 static struct resource osk5912_kp_resources[] = { 191 [0] = { 192 .start = INT_KEYBOARD, 193 .end = INT_KEYBOARD, 194 .flags = IORESOURCE_IRQ, 195 }, 196 }; 197 198 static struct omap_kp_platform_data osk_kp_data = { 199 .rows = 8, 200 .cols = 8, 201 .keymap = osk_keymap, 202 }; 203 204 static struct platform_device osk5912_kp_device = { 205 .name = "omap-keypad", 206 .id = -1, 207 .dev = { 208 .platform_data = &osk_kp_data, 209 }, 210 .num_resources = ARRAY_SIZE(osk5912_kp_resources), 211 .resource = osk5912_kp_resources, 212 }; 213 214 static struct platform_device osk5912_lcd_device = { 215 .name = "lcd_osk", 216 .id = -1, 217 }; 218 219 static struct platform_device *osk5912_devices[] __initdata = { 220 &osk5912_flash_device, 221 &osk5912_smc91x_device, 222 &osk5912_cf_device, 223 &osk5912_mcbsp1_device, 224 &osk5912_kp_device, 225 &osk5912_lcd_device, 226 }; 227 228 static void __init osk_init_smc91x(void) 229 { 230 if ((omap_request_gpio(0)) < 0) { 231 printk("Error requesting gpio 0 for smc91x irq\n"); 232 return; 233 } 234 235 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ 236 EMIFS_CCS(1) |= 0x3; 237 } 238 239 static void __init osk_init_cf(void) 240 { 241 omap_cfg_reg(M7_1610_GPIO62); 242 if ((omap_request_gpio(62)) < 0) { 243 printk("Error requesting gpio 62 for CF irq\n"); 244 return; 245 } 246 /* the CF I/O IRQ is really active-low */ 247 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING); 248 } 249 250 static void __init osk_init_irq(void) 251 { 252 omap1_init_common_hw(); 253 omap_init_irq(); 254 omap_gpio_init(); 255 osk_init_smc91x(); 256 osk_init_cf(); 257 } 258 259 static struct omap_usb_config osk_usb_config __initdata = { 260 /* has usb host connector (A) ... for development it can also 261 * be used, with a NONSTANDARD gender-bending cable/dongle, as 262 * a peripheral. 263 */ 264 #ifdef CONFIG_USB_GADGET_OMAP 265 .register_dev = 1, 266 .hmc_mode = 0, 267 #else 268 .register_host = 1, 269 .hmc_mode = 16, 270 .rwc = 1, 271 #endif 272 .pins[0] = 2, 273 }; 274 275 static struct omap_uart_config osk_uart_config __initdata = { 276 .enabled_uarts = (1 << 0), 277 }; 278 279 static struct omap_lcd_config osk_lcd_config __initdata = { 280 .ctrl_name = "internal", 281 }; 282 283 static struct omap_board_config_kernel osk_config[] = { 284 { OMAP_TAG_USB, &osk_usb_config }, 285 { OMAP_TAG_UART, &osk_uart_config }, 286 { OMAP_TAG_LCD, &osk_lcd_config }, 287 }; 288 289 #ifdef CONFIG_OMAP_OSK_MISTRAL 290 291 #ifdef CONFIG_PM 292 static irqreturn_t 293 osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs) 294 { 295 return IRQ_HANDLED; 296 } 297 #endif 298 299 static void __init osk_mistral_init(void) 300 { 301 /* FIXME here's where to feed in framebuffer, touchpad, and 302 * keyboard setup ... not in the drivers for those devices! 303 * 304 * NOTE: we could actually tell if there's a Mistral board 305 * attached, e.g. by trying to read something from the ads7846. 306 * But this is too early for that... 307 */ 308 309 /* the sideways button (SW1) is for use as a "wakeup" button */ 310 omap_cfg_reg(N15_1610_MPUIO2); 311 if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { 312 int ret = 0; 313 omap_set_gpio_direction(OMAP_MPUIO(2), 1); 314 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING); 315 #ifdef CONFIG_PM 316 /* share the IRQ in case someone wants to use the 317 * button for more than wakeup from system sleep. 318 */ 319 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), 320 &osk_mistral_wake_interrupt, 321 SA_SHIRQ, "mistral_wakeup", 322 &osk_mistral_wake_interrupt); 323 if (ret != 0) { 324 omap_free_gpio(OMAP_MPUIO(2)); 325 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", 326 ret); 327 } else 328 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2))); 329 #endif 330 } else 331 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); 332 } 333 #else 334 static void __init osk_mistral_init(void) { } 335 #endif 336 337 #define EMIFS_CS3_VAL (0x88013141) 338 339 static void __init osk_init(void) 340 { 341 /* Workaround for wrong CS3 (NOR flash) timing 342 * There are some U-Boot versions out there which configure 343 * wrong CS3 memory timings. This mainly leads to CRC 344 * or similiar errors if you use NOR flash (e.g. with JFFS2) 345 */ 346 if (EMIFS_CCS(3) != EMIFS_CS3_VAL) 347 EMIFS_CCS(3) = EMIFS_CS3_VAL; 348 349 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); 350 osk_flash_resource.end += SZ_32M - 1; 351 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); 352 omap_board_config = osk_config; 353 omap_board_config_size = ARRAY_SIZE(osk_config); 354 USB_TRANSCEIVER_CTRL_REG |= (3 << 1); 355 356 omap_serial_init(); 357 osk_mistral_init(); 358 } 359 360 static void __init osk_map_io(void) 361 { 362 omap1_map_common_io(); 363 } 364 365 MACHINE_START(OMAP_OSK, "TI-OSK") 366 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ 367 .phys_io = 0xfff00000, 368 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, 369 .boot_params = 0x10000100, 370 .map_io = osk_map_io, 371 .init_irq = osk_init_irq, 372 .init_machine = osk_init, 373 .timer = &omap_timer, 374 MACHINE_END 375