| 1 | /* |
| 2 | * linux/arch/arm/mach-sa1100/collie.c |
| 3 | * |
| 4 | * May be copied or modified under the terms of the GNU General Public |
| 5 | * License. See linux/COPYING for more information. |
| 6 | * |
| 7 | * This file contains all Collie-specific tweaks. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * ChangeLog: |
| 14 | * 2006 Pavel Machek <pavel@ucw.cz> |
| 15 | * 03-06-2004 John Lenz <lenz@cs.wisc.edu> |
| 16 | * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net> |
| 17 | * 04-16-2001 Lineo Japan,Inc. ... |
| 18 | */ |
| 19 | |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/tty.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/platform_data/sa11x0-serial.h> |
| 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/mfd/ucb1x00.h> |
| 27 | #include <linux/mtd/mtd.h> |
| 28 | #include <linux/mtd/partitions.h> |
| 29 | #include <linux/timer.h> |
| 30 | #include <linux/gpio_keys.h> |
| 31 | #include <linux/input.h> |
| 32 | #include <linux/gpio.h> |
| 33 | #include <linux/power/gpio-charger.h> |
| 34 | |
| 35 | #include <video/sa1100fb.h> |
| 36 | |
| 37 | #include <mach/hardware.h> |
| 38 | #include <asm/mach-types.h> |
| 39 | #include <asm/page.h> |
| 40 | #include <asm/setup.h> |
| 41 | #include <mach/collie.h> |
| 42 | |
| 43 | #include <asm/mach/arch.h> |
| 44 | #include <asm/mach/flash.h> |
| 45 | #include <asm/mach/map.h> |
| 46 | #include <linux/platform_data/irda-sa11x0.h> |
| 47 | |
| 48 | #include <asm/hardware/scoop.h> |
| 49 | #include <asm/mach/sharpsl_param.h> |
| 50 | #include <asm/hardware/locomo.h> |
| 51 | #include <linux/platform_data/mfd-mcp-sa11x0.h> |
| 52 | #include <mach/irqs.h> |
| 53 | |
| 54 | #include "generic.h" |
| 55 | |
| 56 | static struct resource collie_scoop_resources[] = { |
| 57 | [0] = DEFINE_RES_MEM(0x40800000, SZ_4K), |
| 58 | }; |
| 59 | |
| 60 | static struct scoop_config collie_scoop_setup = { |
| 61 | .io_dir = COLLIE_SCOOP_IO_DIR, |
| 62 | .io_out = COLLIE_SCOOP_IO_OUT, |
| 63 | .gpio_base = COLLIE_SCOOP_GPIO_BASE, |
| 64 | }; |
| 65 | |
| 66 | struct platform_device colliescoop_device = { |
| 67 | .name = "sharp-scoop", |
| 68 | .id = -1, |
| 69 | .dev = { |
| 70 | .platform_data = &collie_scoop_setup, |
| 71 | }, |
| 72 | .num_resources = ARRAY_SIZE(collie_scoop_resources), |
| 73 | .resource = collie_scoop_resources, |
| 74 | }; |
| 75 | |
| 76 | static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = { |
| 77 | { |
| 78 | .dev = &colliescoop_device.dev, |
| 79 | .irq = COLLIE_IRQ_GPIO_CF_IRQ, |
| 80 | .cd_irq = COLLIE_IRQ_GPIO_CF_CD, |
| 81 | .cd_irq_str = "PCMCIA0 CD", |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | static struct scoop_pcmcia_config collie_pcmcia_config = { |
| 86 | .devs = &collie_pcmcia_scoop[0], |
| 87 | .num_devs = 1, |
| 88 | }; |
| 89 | |
| 90 | static struct ucb1x00_plat_data collie_ucb1x00_data = { |
| 91 | .gpio_base = COLLIE_TC35143_GPIO_BASE, |
| 92 | }; |
| 93 | |
| 94 | static struct mcp_plat_data collie_mcp_data = { |
| 95 | .mccr0 = MCCR0_ADM | MCCR0_ExtClk, |
| 96 | .sclk_rate = 9216000, |
| 97 | .codec_pdata = &collie_ucb1x00_data, |
| 98 | }; |
| 99 | |
| 100 | static int collie_ir_startup(struct device *dev) |
| 101 | { |
| 102 | int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); |
| 103 | if (rc) |
| 104 | return rc; |
| 105 | rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); |
| 106 | |
| 107 | if (!rc) |
| 108 | return 0; |
| 109 | |
| 110 | gpio_free(COLLIE_GPIO_IR_ON); |
| 111 | return rc; |
| 112 | } |
| 113 | |
| 114 | static void collie_ir_shutdown(struct device *dev) |
| 115 | { |
| 116 | gpio_free(COLLIE_GPIO_IR_ON); |
| 117 | } |
| 118 | |
| 119 | static int collie_ir_set_power(struct device *dev, unsigned int state) |
| 120 | { |
| 121 | gpio_set_value(COLLIE_GPIO_IR_ON, !state); |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static struct irda_platform_data collie_ir_data = { |
| 126 | .startup = collie_ir_startup, |
| 127 | .shutdown = collie_ir_shutdown, |
| 128 | .set_power = collie_ir_set_power, |
| 129 | }; |
| 130 | |
| 131 | /* |
| 132 | * Collie AC IN |
| 133 | */ |
| 134 | static char *collie_ac_supplied_to[] = { |
| 135 | "main-battery", |
| 136 | "backup-battery", |
| 137 | }; |
| 138 | |
| 139 | |
| 140 | static struct gpio_charger_platform_data collie_power_data = { |
| 141 | .name = "charger", |
| 142 | .type = POWER_SUPPLY_TYPE_MAINS, |
| 143 | .gpio = COLLIE_GPIO_AC_IN, |
| 144 | .supplied_to = collie_ac_supplied_to, |
| 145 | .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to), |
| 146 | }; |
| 147 | |
| 148 | static struct platform_device collie_power_device = { |
| 149 | .name = "gpio-charger", |
| 150 | .id = -1, |
| 151 | .dev.platform_data = &collie_power_data, |
| 152 | }; |
| 153 | |
| 154 | #ifdef CONFIG_SHARP_LOCOMO |
| 155 | /* |
| 156 | * low-level UART features. |
| 157 | */ |
| 158 | struct platform_device collie_locomo_device; |
| 159 | |
| 160 | static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) |
| 161 | { |
| 162 | if (mctrl & TIOCM_RTS) |
| 163 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); |
| 164 | else |
| 165 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); |
| 166 | |
| 167 | if (mctrl & TIOCM_DTR) |
| 168 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); |
| 169 | else |
| 170 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); |
| 171 | } |
| 172 | |
| 173 | static u_int collie_uart_get_mctrl(struct uart_port *port) |
| 174 | { |
| 175 | int ret = TIOCM_CD; |
| 176 | unsigned int r; |
| 177 | |
| 178 | r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); |
| 179 | if (r == -ENODEV) |
| 180 | return ret; |
| 181 | if (r & LOCOMO_GPIO_CTS) |
| 182 | ret |= TIOCM_CTS; |
| 183 | if (r & LOCOMO_GPIO_DSR) |
| 184 | ret |= TIOCM_DSR; |
| 185 | |
| 186 | return ret; |
| 187 | } |
| 188 | |
| 189 | static struct sa1100_port_fns collie_port_fns __initdata = { |
| 190 | .set_mctrl = collie_uart_set_mctrl, |
| 191 | .get_mctrl = collie_uart_get_mctrl, |
| 192 | }; |
| 193 | |
| 194 | static int collie_uart_probe(struct locomo_dev *dev) |
| 195 | { |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static int collie_uart_remove(struct locomo_dev *dev) |
| 200 | { |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | static struct locomo_driver collie_uart_driver = { |
| 205 | .drv = { |
| 206 | .name = "collie_uart", |
| 207 | }, |
| 208 | .devid = LOCOMO_DEVID_UART, |
| 209 | .probe = collie_uart_probe, |
| 210 | .remove = collie_uart_remove, |
| 211 | }; |
| 212 | |
| 213 | static int __init collie_uart_init(void) |
| 214 | { |
| 215 | return locomo_driver_register(&collie_uart_driver); |
| 216 | } |
| 217 | device_initcall(collie_uart_init); |
| 218 | |
| 219 | #endif |
| 220 | |
| 221 | |
| 222 | static struct resource locomo_resources[] = { |
| 223 | [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), |
| 224 | [1] = DEFINE_RES_IRQ(IRQ_GPIO25), |
| 225 | }; |
| 226 | |
| 227 | static struct locomo_platform_data locomo_info = { |
| 228 | .irq_base = IRQ_BOARD_START, |
| 229 | }; |
| 230 | |
| 231 | struct platform_device collie_locomo_device = { |
| 232 | .name = "locomo", |
| 233 | .id = 0, |
| 234 | .dev = { |
| 235 | .platform_data = &locomo_info, |
| 236 | }, |
| 237 | .num_resources = ARRAY_SIZE(locomo_resources), |
| 238 | .resource = locomo_resources, |
| 239 | }; |
| 240 | |
| 241 | static struct gpio_keys_button collie_gpio_keys[] = { |
| 242 | { |
| 243 | .type = EV_PWR, |
| 244 | .code = KEY_RESERVED, |
| 245 | .gpio = COLLIE_GPIO_ON_KEY, |
| 246 | .desc = "On key", |
| 247 | .wakeup = 1, |
| 248 | .active_low = 1, |
| 249 | }, |
| 250 | { |
| 251 | .type = EV_PWR, |
| 252 | .code = KEY_WAKEUP, |
| 253 | .gpio = COLLIE_GPIO_WAKEUP, |
| 254 | .desc = "Sync", |
| 255 | .wakeup = 1, |
| 256 | .active_low = 1, |
| 257 | }, |
| 258 | }; |
| 259 | |
| 260 | static struct gpio_keys_platform_data collie_gpio_keys_data = { |
| 261 | .buttons = collie_gpio_keys, |
| 262 | .nbuttons = ARRAY_SIZE(collie_gpio_keys), |
| 263 | }; |
| 264 | |
| 265 | static struct platform_device collie_gpio_keys_device = { |
| 266 | .name = "gpio-keys", |
| 267 | .id = -1, |
| 268 | .dev = { |
| 269 | .platform_data = &collie_gpio_keys_data, |
| 270 | }, |
| 271 | }; |
| 272 | |
| 273 | static struct platform_device *devices[] __initdata = { |
| 274 | &collie_locomo_device, |
| 275 | &colliescoop_device, |
| 276 | &collie_power_device, |
| 277 | &collie_gpio_keys_device, |
| 278 | }; |
| 279 | |
| 280 | static struct mtd_partition collie_partitions[] = { |
| 281 | { |
| 282 | .name = "bootloader", |
| 283 | .offset = 0, |
| 284 | .size = 0x000C0000, |
| 285 | .mask_flags = MTD_WRITEABLE |
| 286 | }, { |
| 287 | .name = "kernel", |
| 288 | .offset = MTDPART_OFS_APPEND, |
| 289 | .size = 0x00100000, |
| 290 | }, { |
| 291 | .name = "rootfs", |
| 292 | .offset = MTDPART_OFS_APPEND, |
| 293 | .size = 0x00e20000, |
| 294 | }, { |
| 295 | .name = "bootblock", |
| 296 | .offset = MTDPART_OFS_APPEND, |
| 297 | .size = 0x00020000, |
| 298 | .mask_flags = MTD_WRITEABLE |
| 299 | } |
| 300 | }; |
| 301 | |
| 302 | static int collie_flash_init(void) |
| 303 | { |
| 304 | int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); |
| 305 | if (rc) |
| 306 | return rc; |
| 307 | |
| 308 | rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); |
| 309 | if (rc) |
| 310 | gpio_free(COLLIE_GPIO_VPEN); |
| 311 | |
| 312 | return rc; |
| 313 | } |
| 314 | |
| 315 | static void collie_set_vpp(int vpp) |
| 316 | { |
| 317 | gpio_set_value(COLLIE_GPIO_VPEN, vpp); |
| 318 | } |
| 319 | |
| 320 | static void collie_flash_exit(void) |
| 321 | { |
| 322 | gpio_free(COLLIE_GPIO_VPEN); |
| 323 | } |
| 324 | |
| 325 | static struct flash_platform_data collie_flash_data = { |
| 326 | .map_name = "cfi_probe", |
| 327 | .init = collie_flash_init, |
| 328 | .set_vpp = collie_set_vpp, |
| 329 | .exit = collie_flash_exit, |
| 330 | .parts = collie_partitions, |
| 331 | .nr_parts = ARRAY_SIZE(collie_partitions), |
| 332 | }; |
| 333 | |
| 334 | static struct resource collie_flash_resources[] = { |
| 335 | DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), |
| 336 | }; |
| 337 | |
| 338 | static struct sa1100fb_mach_info collie_lcd_info = { |
| 339 | .pixclock = 171521, .bpp = 16, |
| 340 | .xres = 320, .yres = 240, |
| 341 | |
| 342 | .hsync_len = 5, .vsync_len = 1, |
| 343 | .left_margin = 11, .upper_margin = 2, |
| 344 | .right_margin = 30, .lower_margin = 0, |
| 345 | |
| 346 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
| 347 | |
| 348 | .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, |
| 349 | .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), |
| 350 | |
| 351 | #ifdef CONFIG_BACKLIGHT_LOCOMO |
| 352 | .lcd_power = locomolcd_power |
| 353 | #endif |
| 354 | }; |
| 355 | |
| 356 | static void __init collie_init(void) |
| 357 | { |
| 358 | int ret = 0; |
| 359 | |
| 360 | /* cpu initialize */ |
| 361 | GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | |
| 362 | GPIO_MCP_CLK | GPIO_32_768kHz; |
| 363 | |
| 364 | GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | |
| 365 | GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | |
| 366 | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | |
| 367 | _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON | |
| 368 | _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; |
| 369 | |
| 370 | PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | |
| 371 | PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | |
| 372 | PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; |
| 373 | |
| 374 | PWER = 0; |
| 375 | |
| 376 | PGSR = _COLLIE_GPIO_nREMOCON_ON; |
| 377 | |
| 378 | PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; |
| 379 | |
| 380 | PCFR = PCFR_OPDE; |
| 381 | |
| 382 | GPSR |= _COLLIE_GPIO_UCB1x00_RESET; |
| 383 | |
| 384 | sa11x0_ppc_configure_mcp(); |
| 385 | |
| 386 | |
| 387 | platform_scoop_config = &collie_pcmcia_config; |
| 388 | |
| 389 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 390 | if (ret) { |
| 391 | printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); |
| 392 | } |
| 393 | |
| 394 | sa11x0_register_lcd(&collie_lcd_info); |
| 395 | sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, |
| 396 | ARRAY_SIZE(collie_flash_resources)); |
| 397 | sa11x0_register_mcp(&collie_mcp_data); |
| 398 | sa11x0_register_irda(&collie_ir_data); |
| 399 | |
| 400 | sharpsl_save_param(); |
| 401 | } |
| 402 | |
| 403 | static struct map_desc collie_io_desc[] __initdata = { |
| 404 | { /* 32M main flash (cs0) */ |
| 405 | .virtual = 0xe8000000, |
| 406 | .pfn = __phys_to_pfn(0x00000000), |
| 407 | .length = 0x02000000, |
| 408 | .type = MT_DEVICE |
| 409 | }, { /* 32M boot flash (cs1) */ |
| 410 | .virtual = 0xea000000, |
| 411 | .pfn = __phys_to_pfn(0x08000000), |
| 412 | .length = 0x02000000, |
| 413 | .type = MT_DEVICE |
| 414 | } |
| 415 | }; |
| 416 | |
| 417 | static void __init collie_map_io(void) |
| 418 | { |
| 419 | sa1100_map_io(); |
| 420 | iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); |
| 421 | |
| 422 | #ifdef CONFIG_SHARP_LOCOMO |
| 423 | sa1100_register_uart_fns(&collie_port_fns); |
| 424 | #endif |
| 425 | sa1100_register_uart(0, 3); |
| 426 | sa1100_register_uart(1, 1); |
| 427 | } |
| 428 | |
| 429 | MACHINE_START(COLLIE, "Sharp-Collie") |
| 430 | .map_io = collie_map_io, |
| 431 | .nr_irqs = SA1100_NR_IRQS, |
| 432 | .init_irq = sa1100_init_irq, |
| 433 | .init_time = sa1100_timer_init, |
| 434 | .init_machine = collie_init, |
| 435 | .init_late = sa11x0_init_late, |
| 436 | .restart = sa11x0_restart, |
| 437 | MACHINE_END |