1 /* 2 * Support for Sharp SL-Cxx00 Series of PDAs 3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) 4 * 5 * Copyright (c) 2005 Richard Purdie 6 * 7 * Based on Sharp's 2.4 kernel patches/lubbock.c 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 */ 14 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/platform_device.h> 18 #include <linux/delay.h> 19 #include <linux/major.h> 20 #include <linux/fs.h> 21 #include <linux/interrupt.h> 22 #include <linux/mmc/host.h> 23 24 #include <asm/setup.h> 25 #include <asm/memory.h> 26 #include <asm/mach-types.h> 27 #include <asm/hardware.h> 28 #include <asm/irq.h> 29 #include <asm/io.h> 30 31 #include <asm/mach/arch.h> 32 #include <asm/mach/map.h> 33 #include <asm/mach/irq.h> 34 35 #include <asm/arch/pxa-regs.h> 36 #include <asm/arch/irq.h> 37 #include <asm/arch/irda.h> 38 #include <asm/arch/mmc.h> 39 #include <asm/arch/udc.h> 40 #include <asm/arch/pxafb.h> 41 #include <asm/arch/akita.h> 42 #include <asm/arch/spitz.h> 43 #include <asm/arch/sharpsl.h> 44 45 #include <asm/mach/sharpsl_param.h> 46 #include <asm/hardware/scoop.h> 47 48 #include "generic.h" 49 #include "sharpsl.h" 50 51 /* 52 * Spitz SCOOP Device #1 53 */ 54 static struct resource spitz_scoop_resources[] = { 55 [0] = { 56 .start = 0x10800000, 57 .end = 0x10800fff, 58 .flags = IORESOURCE_MEM, 59 }, 60 }; 61 62 static struct scoop_config spitz_scoop_setup = { 63 .io_dir = SPITZ_SCP_IO_DIR, 64 .io_out = SPITZ_SCP_IO_OUT, 65 .suspend_clr = SPITZ_SCP_SUS_CLR, 66 .suspend_set = SPITZ_SCP_SUS_SET, 67 }; 68 69 struct platform_device spitzscoop_device = { 70 .name = "sharp-scoop", 71 .id = 0, 72 .dev = { 73 .platform_data = &spitz_scoop_setup, 74 }, 75 .num_resources = ARRAY_SIZE(spitz_scoop_resources), 76 .resource = spitz_scoop_resources, 77 }; 78 79 /* 80 * Spitz SCOOP Device #2 81 */ 82 static struct resource spitz_scoop2_resources[] = { 83 [0] = { 84 .start = 0x08800040, 85 .end = 0x08800fff, 86 .flags = IORESOURCE_MEM, 87 }, 88 }; 89 90 static struct scoop_config spitz_scoop2_setup = { 91 .io_dir = SPITZ_SCP2_IO_DIR, 92 .io_out = SPITZ_SCP2_IO_OUT, 93 .suspend_clr = SPITZ_SCP2_SUS_CLR, 94 .suspend_set = SPITZ_SCP2_SUS_SET, 95 }; 96 97 struct platform_device spitzscoop2_device = { 98 .name = "sharp-scoop", 99 .id = 1, 100 .dev = { 101 .platform_data = &spitz_scoop2_setup, 102 }, 103 .num_resources = ARRAY_SIZE(spitz_scoop2_resources), 104 .resource = spitz_scoop2_resources, 105 }; 106 107 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 108 { 109 .dev = &spitzscoop_device.dev, 110 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 111 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 112 .cd_irq_str = "PCMCIA0 CD", 113 },{ 114 .dev = &spitzscoop2_device.dev, 115 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 116 .cd_irq = -1, 117 }, 118 }; 119 120 121 /* 122 * Spitz SSP Device 123 * 124 * Set the parent as the scoop device because a lot of SSP devices 125 * also use scoop functions and this makes the power up/down order 126 * work correctly. 127 */ 128 struct platform_device spitzssp_device = { 129 .name = "corgi-ssp", 130 .dev = { 131 .parent = &spitzscoop_device.dev, 132 }, 133 .id = -1, 134 }; 135 136 struct corgissp_machinfo spitz_ssp_machinfo = { 137 .port = 2, 138 .cs_lcdcon = SPITZ_GPIO_LCDCON_CS, 139 .cs_ads7846 = SPITZ_GPIO_ADS7846_CS, 140 .cs_max1111 = SPITZ_GPIO_MAX1111_CS, 141 .clk_lcdcon = 520, 142 .clk_ads7846 = 14, 143 .clk_max1111 = 56, 144 }; 145 146 147 /* 148 * Spitz Backlight Device 149 */ 150 static struct corgibl_machinfo spitz_bl_machinfo = { 151 .max_intensity = 0x2f, 152 }; 153 154 static struct platform_device spitzbl_device = { 155 .name = "corgi-bl", 156 .dev = { 157 .platform_data = &spitz_bl_machinfo, 158 }, 159 .id = -1, 160 }; 161 162 163 /* 164 * Spitz Keyboard Device 165 */ 166 static struct platform_device spitzkbd_device = { 167 .name = "spitz-keyboard", 168 .id = -1, 169 }; 170 171 172 /* 173 * Spitz Touch Screen Device 174 */ 175 static struct resource spitzts_resources[] = { 176 [0] = { 177 .start = SPITZ_IRQ_GPIO_TP_INT, 178 .end = SPITZ_IRQ_GPIO_TP_INT, 179 .flags = IORESOURCE_IRQ, 180 }, 181 }; 182 183 static struct corgits_machinfo spitz_ts_machinfo = { 184 .get_hsync_len = spitz_get_hsync_len, 185 .put_hsync = spitz_put_hsync, 186 .wait_hsync = spitz_wait_hsync, 187 }; 188 189 static struct platform_device spitzts_device = { 190 .name = "corgi-ts", 191 .dev = { 192 .parent = &spitzssp_device.dev, 193 .platform_data = &spitz_ts_machinfo, 194 }, 195 .id = -1, 196 .num_resources = ARRAY_SIZE(spitzts_resources), 197 .resource = spitzts_resources, 198 }; 199 200 201 /* 202 * MMC/SD Device 203 * 204 * The card detect interrupt isn't debounced so we delay it by 250ms 205 * to give the card a chance to fully insert/eject. 206 */ 207 208 static struct pxamci_platform_data spitz_mci_platform_data; 209 210 static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data) 211 { 212 int err; 213 214 /* setup GPIO for PXA27x MMC controller */ 215 pxa_gpio_mode(GPIO32_MMCCLK_MD); 216 pxa_gpio_mode(GPIO112_MMCCMD_MD); 217 pxa_gpio_mode(GPIO92_MMCDAT0_MD); 218 pxa_gpio_mode(GPIO109_MMCDAT1_MD); 219 pxa_gpio_mode(GPIO110_MMCDAT2_MD); 220 pxa_gpio_mode(GPIO111_MMCDAT3_MD); 221 pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN); 222 pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN); 223 224 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); 225 226 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT, 227 "MMC card detect", data); 228 if (err) { 229 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); 230 return -1; 231 } 232 233 set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); 234 235 return 0; 236 } 237 238 /* Power control is shared with one of the CF slots so we have a mess */ 239 static void spitz_mci_setpower(struct device *dev, unsigned int vdd) 240 { 241 struct pxamci_platform_data* p_d = dev->platform_data; 242 243 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); 244 245 if (( 1 << vdd) & p_d->ocr_mask) { 246 /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */ 247 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); 248 mdelay(2); 249 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04); 250 } else { 251 /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */ 252 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04); 253 254 if (!(cpr | 0x02)) { 255 mdelay(1); 256 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); 257 } 258 } 259 } 260 261 static int spitz_mci_get_ro(struct device *dev) 262 { 263 return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP); 264 } 265 266 static void spitz_mci_exit(struct device *dev, void *data) 267 { 268 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); 269 } 270 271 static struct pxamci_platform_data spitz_mci_platform_data = { 272 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 273 .init = spitz_mci_init, 274 .get_ro = spitz_mci_get_ro, 275 .setpower = spitz_mci_setpower, 276 .exit = spitz_mci_exit, 277 }; 278 279 280 /* 281 * Irda 282 */ 283 static void spitz_irda_transceiver_mode(struct device *dev, int mode) 284 { 285 if (mode & IR_OFF) 286 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); 287 else 288 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); 289 } 290 291 static struct pxaficp_platform_data spitz_ficp_platform_data = { 292 .transceiver_cap = IR_SIRMODE | IR_OFF, 293 .transceiver_mode = spitz_irda_transceiver_mode, 294 }; 295 296 297 /* 298 * Spitz PXA Framebuffer 299 */ 300 static struct pxafb_mach_info spitz_pxafb_info __initdata = { 301 .pixclock = 19231, 302 .xres = 480, 303 .yres = 640, 304 .bpp = 16, 305 .hsync_len = 40, 306 .left_margin = 46, 307 .right_margin = 125, 308 .vsync_len = 3, 309 .upper_margin = 1, 310 .lower_margin = 0, 311 .sync = 0, 312 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM, 313 .lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH, 314 .pxafb_lcd_power = spitz_lcd_power, 315 }; 316 317 318 static struct platform_device *devices[] __initdata = { 319 &spitzscoop_device, 320 &spitzssp_device, 321 &spitzkbd_device, 322 &spitzts_device, 323 &spitzbl_device, 324 }; 325 326 static void __init common_init(void) 327 { 328 PMCR = 0x00; 329 330 /* setup sleep mode values */ 331 PWER = 0x00000002; 332 PFER = 0x00000000; 333 PRER = 0x00000002; 334 PGSR0 = 0x0158C000; 335 PGSR1 = 0x00FF0080; 336 PGSR2 = 0x0001C004; 337 338 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 339 PCFR |= PCFR_OPDE; 340 341 corgi_ssp_set_machinfo(&spitz_ssp_machinfo); 342 343 pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN); 344 345 platform_add_devices(devices, ARRAY_SIZE(devices)); 346 pxa_set_mci_info(&spitz_mci_platform_data); 347 pxa_set_ficp_info(&spitz_ficp_platform_data); 348 set_pxa_fb_parent(&spitzssp_device.dev); 349 set_pxa_fb_info(&spitz_pxafb_info); 350 } 351 352 static void __init spitz_init(void) 353 { 354 scoop_num = 2; 355 scoop_devs = &spitz_pcmcia_scoop[0]; 356 spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; 357 358 common_init(); 359 360 platform_device_register(&spitzscoop2_device); 361 } 362 363 static void __init fixup_spitz(struct machine_desc *desc, 364 struct tag *tags, char **cmdline, struct meminfo *mi) 365 { 366 sharpsl_save_param(); 367 mi->nr_banks = 1; 368 mi->bank[0].start = 0xa0000000; 369 mi->bank[0].node = 0; 370 mi->bank[0].size = (64*1024*1024); 371 } 372 373 #ifdef CONFIG_MACH_SPITZ 374 MACHINE_START(SPITZ, "SHARP Spitz") 375 .phys_ram = 0xa0000000, 376 .phys_io = 0x40000000, 377 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 378 .fixup = fixup_spitz, 379 .map_io = pxa_map_io, 380 .init_irq = pxa_init_irq, 381 .init_machine = spitz_init, 382 .timer = &pxa_timer, 383 MACHINE_END 384 #endif 385 386 #ifdef CONFIG_MACH_BORZOI 387 MACHINE_START(BORZOI, "SHARP Borzoi") 388 .phys_ram = 0xa0000000, 389 .phys_io = 0x40000000, 390 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 391 .fixup = fixup_spitz, 392 .map_io = pxa_map_io, 393 .init_irq = pxa_init_irq, 394 .init_machine = spitz_init, 395 .timer = &pxa_timer, 396 MACHINE_END 397 #endif 398