Marek Vasut | ec70e8a | 2006-12-06 17:13:57 -0800 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/board-palmz71.c |
| 3 | * |
| 4 | * Modified from board-generic.c |
| 5 | * |
| 6 | * Support for the Palm Zire71 PDA. |
| 7 | * |
| 8 | * Original version : Laurent Gonzalez |
| 9 | * |
| 10 | * Modified for zire71 : Marek Vasut |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License version 2 as |
| 14 | * published by the Free Software Foundation. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/notifier.h> |
| 22 | #include <linux/clk.h> |
| 23 | #include <linux/irq.h> |
| 24 | #include <linux/input.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | #include <linux/mtd/mtd.h> |
| 27 | #include <linux/mtd/partitions.h> |
| 28 | |
| 29 | #include <asm/hardware.h> |
| 30 | #include <asm/mach-types.h> |
| 31 | #include <asm/mach/arch.h> |
| 32 | #include <asm/mach/map.h> |
| 33 | #include <asm/mach/flash.h> |
| 34 | |
| 35 | #include <asm/arch/mcbsp.h> |
| 36 | #include <asm/arch/gpio.h> |
| 37 | #include <asm/arch/mux.h> |
| 38 | #include <asm/arch/usb.h> |
| 39 | #include <asm/arch/dma.h> |
| 40 | #include <asm/arch/tc.h> |
| 41 | #include <asm/arch/board.h> |
| 42 | #include <asm/arch/irda.h> |
| 43 | #include <asm/arch/keypad.h> |
| 44 | #include <asm/arch/common.h> |
| 45 | #include <asm/arch/omap-alsa.h> |
| 46 | |
Marek Vasut | ec70e8a | 2006-12-06 17:13:57 -0800 | [diff] [blame] | 47 | #include <linux/spi/spi.h> |
| 48 | #include <linux/spi/ads7846.h> |
| 49 | |
| 50 | static void __init |
| 51 | omap_palmz71_init_irq(void) |
| 52 | { |
| 53 | omap1_init_common_hw(); |
| 54 | omap_init_irq(); |
| 55 | omap_gpio_init(); |
| 56 | } |
| 57 | |
| 58 | static int palmz71_keymap[] = { |
| 59 | KEY(0, 0, KEY_F1), |
| 60 | KEY(0, 1, KEY_F2), |
| 61 | KEY(0, 2, KEY_F3), |
| 62 | KEY(0, 3, KEY_F4), |
| 63 | KEY(0, 4, KEY_POWER), |
| 64 | KEY(1, 0, KEY_LEFT), |
| 65 | KEY(1, 1, KEY_DOWN), |
| 66 | KEY(1, 2, KEY_UP), |
| 67 | KEY(1, 3, KEY_RIGHT), |
| 68 | KEY(1, 4, KEY_CENTER), |
| 69 | KEY(2, 0, KEY_CAMERA), |
| 70 | 0, |
| 71 | }; |
| 72 | |
| 73 | static struct omap_kp_platform_data palmz71_kp_data = { |
| 74 | .rows = 8, |
| 75 | .cols = 8, |
| 76 | .keymap = palmz71_keymap, |
| 77 | .rep = 1, |
| 78 | .delay = 80, |
| 79 | }; |
| 80 | |
| 81 | static struct resource palmz71_kp_resources[] = { |
| 82 | [0] = { |
| 83 | .start = INT_KEYBOARD, |
| 84 | .end = INT_KEYBOARD, |
| 85 | .flags = IORESOURCE_IRQ, |
| 86 | }, |
| 87 | }; |
| 88 | |
| 89 | static struct platform_device palmz71_kp_device = { |
| 90 | .name = "omap-keypad", |
| 91 | .id = -1, |
| 92 | .dev = { |
| 93 | .platform_data = &palmz71_kp_data, |
| 94 | }, |
| 95 | .num_resources = ARRAY_SIZE(palmz71_kp_resources), |
| 96 | .resource = palmz71_kp_resources, |
| 97 | }; |
| 98 | |
| 99 | static struct mtd_partition palmz71_rom_partitions[] = { |
| 100 | /* PalmOS "Small ROM", contains the bootloader and the debugger */ |
| 101 | { |
| 102 | .name = "smallrom", |
| 103 | .offset = 0, |
| 104 | .size = 0xa000, |
| 105 | .mask_flags = MTD_WRITEABLE, |
| 106 | }, |
| 107 | /* PalmOS "Big ROM", a filesystem with all the OS code and data */ |
| 108 | { |
| 109 | .name = "bigrom", |
| 110 | .offset = SZ_128K, |
| 111 | /* |
| 112 | * 0x5f0000 bytes big in the multi-language ("EFIGS") version, |
| 113 | * 0x7b0000 bytes in the English-only ("enUS") version. |
| 114 | */ |
| 115 | .size = 0x7b0000, |
| 116 | .mask_flags = MTD_WRITEABLE, |
| 117 | }, |
| 118 | }; |
| 119 | |
| 120 | static struct flash_platform_data palmz71_rom_data = { |
| 121 | .map_name = "map_rom", |
| 122 | .name = "onboardrom", |
| 123 | .width = 2, |
| 124 | .parts = palmz71_rom_partitions, |
| 125 | .nr_parts = ARRAY_SIZE(palmz71_rom_partitions), |
| 126 | }; |
| 127 | |
| 128 | static struct resource palmz71_rom_resource = { |
| 129 | .start = OMAP_CS0_PHYS, |
| 130 | .end = OMAP_CS0_PHYS + SZ_8M - 1, |
| 131 | .flags = IORESOURCE_MEM, |
| 132 | }; |
| 133 | |
| 134 | static struct platform_device palmz71_rom_device = { |
| 135 | .name = "omapflash", |
| 136 | .id = -1, |
| 137 | .dev = { |
| 138 | .platform_data = &palmz71_rom_data, |
| 139 | }, |
| 140 | .num_resources = 1, |
| 141 | .resource = &palmz71_rom_resource, |
| 142 | }; |
| 143 | |
| 144 | static struct platform_device palmz71_lcd_device = { |
| 145 | .name = "lcd_palmz71", |
| 146 | .id = -1, |
| 147 | }; |
| 148 | |
| 149 | static struct omap_irda_config palmz71_irda_config = { |
| 150 | .transceiver_cap = IR_SIRMODE, |
| 151 | .rx_channel = OMAP_DMA_UART3_RX, |
| 152 | .tx_channel = OMAP_DMA_UART3_TX, |
| 153 | .dest_start = UART3_THR, |
| 154 | .src_start = UART3_RHR, |
| 155 | .tx_trigger = 0, |
| 156 | .rx_trigger = 0, |
| 157 | }; |
| 158 | |
| 159 | static struct resource palmz71_irda_resources[] = { |
| 160 | [0] = { |
| 161 | .start = INT_UART3, |
| 162 | .end = INT_UART3, |
| 163 | .flags = IORESOURCE_IRQ, |
| 164 | }, |
| 165 | }; |
| 166 | |
| 167 | static struct platform_device palmz71_irda_device = { |
| 168 | .name = "omapirda", |
| 169 | .id = -1, |
| 170 | .dev = { |
| 171 | .platform_data = &palmz71_irda_config, |
| 172 | }, |
| 173 | .num_resources = ARRAY_SIZE(palmz71_irda_resources), |
| 174 | .resource = palmz71_irda_resources, |
| 175 | }; |
| 176 | |
| 177 | static struct platform_device palmz71_spi_device = { |
| 178 | .name = "spi_palmz71", |
| 179 | .id = -1, |
| 180 | }; |
| 181 | |
| 182 | #define DEFAULT_BITPERSAMPLE 16 |
| 183 | |
| 184 | static struct omap_mcbsp_reg_cfg mcbsp_regs = { |
| 185 | .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), |
| 186 | .spcr1 = RINTM(3) | RRST, |
| 187 | .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | |
| 188 | RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), |
| 189 | .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), |
| 190 | .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | |
| 191 | XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, |
| 192 | .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), |
| 193 | .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), |
| 194 | .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), |
| 195 | .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ |
| 196 | }; |
| 197 | |
| 198 | static struct omap_alsa_codec_config alsa_config = { |
| 199 | .name = "PalmZ71 AIC23", |
| 200 | .mcbsp_regs_alsa = &mcbsp_regs, |
| 201 | .codec_configure_dev = NULL, /* aic23_configure */ |
| 202 | .codec_set_samplerate = NULL, /* aic23_set_samplerate */ |
| 203 | .codec_clock_setup = NULL, /* aic23_clock_setup */ |
| 204 | .codec_clock_on = NULL, /* aic23_clock_on */ |
| 205 | .codec_clock_off = NULL, /* aic23_clock_off */ |
| 206 | .get_default_samplerate = NULL, /* aic23_get_default_samplerate */ |
| 207 | }; |
| 208 | |
| 209 | static struct platform_device palmz71_mcbsp1_device = { |
| 210 | .name = "omap_alsa_mcbsp", |
| 211 | .id = 1, |
| 212 | .dev = { |
| 213 | .platform_data = &alsa_config, |
| 214 | }, |
| 215 | }; |
| 216 | |
| 217 | static struct omap_backlight_config palmz71_backlight_config = { |
| 218 | .default_intensity = 0xa0, |
| 219 | }; |
| 220 | |
| 221 | static struct platform_device palmz71_backlight_device = { |
| 222 | .name = "omap-bl", |
| 223 | .id = -1, |
| 224 | .dev = { |
| 225 | .platform_data = &palmz71_backlight_config, |
| 226 | }, |
| 227 | }; |
| 228 | |
| 229 | static struct platform_device *devices[] __initdata = { |
| 230 | &palmz71_rom_device, |
| 231 | &palmz71_kp_device, |
| 232 | &palmz71_mcbsp1_device, |
| 233 | &palmz71_lcd_device, |
| 234 | &palmz71_irda_device, |
| 235 | &palmz71_spi_device, |
| 236 | &palmz71_backlight_device, |
| 237 | }; |
| 238 | |
| 239 | static int |
| 240 | palmz71_get_pendown_state(void) |
| 241 | { |
| 242 | return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO); |
| 243 | } |
| 244 | |
| 245 | static const struct ads7846_platform_data palmz71_ts_info = { |
| 246 | .model = 7846, |
| 247 | .vref_delay_usecs = 100, /* internal, no capacitor */ |
| 248 | .x_plate_ohms = 419, |
| 249 | .y_plate_ohms = 486, |
| 250 | .get_pendown_state = palmz71_get_pendown_state, |
| 251 | }; |
| 252 | |
| 253 | static struct spi_board_info __initdata palmz71_boardinfo[] = { { |
| 254 | /* MicroWire (bus 2) CS0 has an ads7846e */ |
| 255 | .modalias = "ads7846", |
| 256 | .platform_data = &palmz71_ts_info, |
| 257 | .irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO), |
| 258 | .max_speed_hz = 120000 /* max sample rate at 3V */ |
| 259 | * 26 /* command + data + overhead */, |
| 260 | .bus_num = 2, |
| 261 | .chip_select = 0, |
| 262 | } }; |
| 263 | |
| 264 | static struct omap_usb_config palmz71_usb_config __initdata = { |
| 265 | .register_dev = 1, /* Mini-B only receptacle */ |
| 266 | .hmc_mode = 0, |
| 267 | .pins[0] = 2, |
| 268 | }; |
| 269 | |
| 270 | static struct omap_mmc_config palmz71_mmc_config __initdata = { |
| 271 | .mmc[0] = { |
| 272 | .enabled = 1, |
| 273 | .wire4 = 0, |
| 274 | .wp_pin = PALMZ71_MMC_WP_GPIO, |
| 275 | .power_pin = -1, |
| 276 | .switch_pin = PALMZ71_MMC_IN_GPIO, |
| 277 | }, |
| 278 | }; |
| 279 | |
| 280 | static struct omap_lcd_config palmz71_lcd_config __initdata = { |
| 281 | .ctrl_name = "internal", |
| 282 | }; |
| 283 | |
| 284 | static struct omap_uart_config palmz71_uart_config __initdata = { |
| 285 | .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2), |
| 286 | }; |
| 287 | |
| 288 | static struct omap_board_config_kernel palmz71_config[] = { |
| 289 | {OMAP_TAG_USB, &palmz71_usb_config}, |
| 290 | {OMAP_TAG_MMC, &palmz71_mmc_config}, |
| 291 | {OMAP_TAG_LCD, &palmz71_lcd_config}, |
| 292 | {OMAP_TAG_UART, &palmz71_uart_config}, |
| 293 | }; |
| 294 | |
| 295 | static irqreturn_t |
| 296 | palmz71_powercable(int irq, void *dev_id) |
| 297 | { |
| 298 | if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) { |
| 299 | printk(KERN_INFO "PM: Power cable connected\n"); |
| 300 | set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), |
| 301 | IRQT_FALLING); |
| 302 | } else { |
| 303 | printk(KERN_INFO "PM: Power cable disconnected\n"); |
| 304 | set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), |
| 305 | IRQT_RISING); |
| 306 | } |
| 307 | return IRQ_HANDLED; |
| 308 | } |
| 309 | |
| 310 | static void __init |
| 311 | omap_mpu_wdt_mode(int mode) |
| 312 | { |
| 313 | if (mode) |
| 314 | omap_writew(0x8000, OMAP_WDT_TIMER_MODE); |
| 315 | else { |
| 316 | omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); |
| 317 | omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | static void __init |
| 322 | palmz71_gpio_setup(int early) |
| 323 | { |
| 324 | if (early) { |
| 325 | /* Only set GPIO1 so we have a working serial */ |
| 326 | omap_set_gpio_dataout(1, 1); |
| 327 | omap_set_gpio_direction(1, 0); |
| 328 | } else { |
| 329 | /* Set MMC/SD host WP pin as input */ |
| 330 | if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) { |
| 331 | printk(KERN_ERR "Could not reserve WP GPIO!\n"); |
| 332 | return; |
| 333 | } |
| 334 | omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1); |
| 335 | |
| 336 | /* Monitor the Power-cable-connected signal */ |
| 337 | if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) { |
| 338 | printk(KERN_ERR |
| 339 | "Could not reserve cable signal GPIO!\n"); |
| 340 | return; |
| 341 | } |
| 342 | omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1); |
| 343 | if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), |
| 344 | palmz71_powercable, IRQF_SAMPLE_RANDOM, |
| 345 | "palmz71-cable", 0)) |
| 346 | printk(KERN_ERR |
| 347 | "IRQ request for power cable failed!\n"); |
| 348 | palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | static void __init |
| 353 | omap_palmz71_init(void) |
| 354 | { |
| 355 | palmz71_gpio_setup(1); |
| 356 | omap_mpu_wdt_mode(0); |
| 357 | |
| 358 | omap_board_config = palmz71_config; |
| 359 | omap_board_config_size = ARRAY_SIZE(palmz71_config); |
| 360 | |
| 361 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 362 | |
| 363 | spi_register_board_info(palmz71_boardinfo, |
| 364 | ARRAY_SIZE(palmz71_boardinfo)); |
| 365 | omap_serial_init(); |
| 366 | palmz71_gpio_setup(0); |
| 367 | } |
| 368 | |
| 369 | static void __init |
| 370 | omap_palmz71_map_io(void) |
| 371 | { |
| 372 | omap1_map_common_io(); |
| 373 | } |
| 374 | |
| 375 | MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71") |
| 376 | .phys_io = 0xfff00000, |
| 377 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, |
| 378 | .boot_params = 0x10000100,.map_io = omap_palmz71_map_io, |
| 379 | .init_irq = omap_palmz71_init_irq, |
| 380 | .init_machine = omap_palmz71_init, |
| 381 | .timer = &omap_timer, |
| 382 | MACHINE_END |