Richard Purdie | 0dd28f1 | 2005-09-13 01:25:34 -0700 | [diff] [blame] | 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/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/mmc.h> |
| 38 | #include <asm/arch/udc.h> |
Richard Purdie | 0dd28f1 | 2005-09-13 01:25:34 -0700 | [diff] [blame] | 39 | #include <asm/arch/pxafb.h> |
| 40 | #include <asm/arch/akita.h> |
| 41 | #include <asm/arch/spitz.h> |
| 42 | #include <asm/arch/sharpsl.h> |
| 43 | |
| 44 | #include <asm/mach/sharpsl_param.h> |
| 45 | #include <asm/hardware/scoop.h> |
| 46 | |
| 47 | #include "generic.h" |
| 48 | #include "sharpsl.h" |
| 49 | |
| 50 | /* |
| 51 | * Spitz SCOOP Device #1 |
| 52 | */ |
| 53 | static struct resource spitz_scoop_resources[] = { |
| 54 | [0] = { |
| 55 | .start = 0x10800000, |
| 56 | .end = 0x10800fff, |
| 57 | .flags = IORESOURCE_MEM, |
| 58 | }, |
| 59 | }; |
| 60 | |
| 61 | static struct scoop_config spitz_scoop_setup = { |
| 62 | .io_dir = SPITZ_SCP_IO_DIR, |
| 63 | .io_out = SPITZ_SCP_IO_OUT, |
| 64 | .suspend_clr = SPITZ_SCP_SUS_CLR, |
| 65 | .suspend_set = SPITZ_SCP_SUS_SET, |
| 66 | }; |
| 67 | |
| 68 | struct platform_device spitzscoop_device = { |
| 69 | .name = "sharp-scoop", |
| 70 | .id = 0, |
| 71 | .dev = { |
| 72 | .platform_data = &spitz_scoop_setup, |
| 73 | }, |
| 74 | .num_resources = ARRAY_SIZE(spitz_scoop_resources), |
| 75 | .resource = spitz_scoop_resources, |
| 76 | }; |
| 77 | |
| 78 | /* |
| 79 | * Spitz SCOOP Device #2 |
| 80 | */ |
| 81 | static struct resource spitz_scoop2_resources[] = { |
| 82 | [0] = { |
| 83 | .start = 0x08800040, |
| 84 | .end = 0x08800fff, |
| 85 | .flags = IORESOURCE_MEM, |
| 86 | }, |
| 87 | }; |
| 88 | |
| 89 | static struct scoop_config spitz_scoop2_setup = { |
| 90 | .io_dir = SPITZ_SCP2_IO_DIR, |
| 91 | .io_out = SPITZ_SCP2_IO_OUT, |
| 92 | .suspend_clr = SPITZ_SCP2_SUS_CLR, |
| 93 | .suspend_set = SPITZ_SCP2_SUS_SET, |
| 94 | }; |
| 95 | |
| 96 | struct platform_device spitzscoop2_device = { |
| 97 | .name = "sharp-scoop", |
| 98 | .id = 1, |
| 99 | .dev = { |
| 100 | .platform_data = &spitz_scoop2_setup, |
| 101 | }, |
| 102 | .num_resources = ARRAY_SIZE(spitz_scoop2_resources), |
| 103 | .resource = spitz_scoop2_resources, |
| 104 | }; |
| 105 | |
| 106 | static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { |
| 107 | { |
| 108 | .dev = &spitzscoop_device.dev, |
| 109 | .irq = SPITZ_IRQ_GPIO_CF_IRQ, |
| 110 | .cd_irq = SPITZ_IRQ_GPIO_CF_CD, |
| 111 | .cd_irq_str = "PCMCIA0 CD", |
| 112 | },{ |
| 113 | .dev = &spitzscoop2_device.dev, |
| 114 | .irq = SPITZ_IRQ_GPIO_CF2_IRQ, |
| 115 | .cd_irq = -1, |
| 116 | }, |
| 117 | }; |
| 118 | |
| 119 | |
| 120 | /* |
| 121 | * Spitz SSP Device |
| 122 | * |
| 123 | * Set the parent as the scoop device because a lot of SSP devices |
| 124 | * also use scoop functions and this makes the power up/down order |
| 125 | * work correctly. |
| 126 | */ |
| 127 | struct platform_device spitzssp_device = { |
| 128 | .name = "corgi-ssp", |
| 129 | .dev = { |
| 130 | .parent = &spitzscoop_device.dev, |
| 131 | }, |
| 132 | .id = -1, |
| 133 | }; |
| 134 | |
| 135 | struct corgissp_machinfo spitz_ssp_machinfo = { |
| 136 | .port = 2, |
| 137 | .cs_lcdcon = SPITZ_GPIO_LCDCON_CS, |
| 138 | .cs_ads7846 = SPITZ_GPIO_ADS7846_CS, |
| 139 | .cs_max1111 = SPITZ_GPIO_MAX1111_CS, |
| 140 | .clk_lcdcon = 520, |
| 141 | .clk_ads7846 = 14, |
| 142 | .clk_max1111 = 56, |
| 143 | }; |
| 144 | |
| 145 | |
| 146 | /* |
| 147 | * Spitz Backlight Device |
| 148 | */ |
| 149 | static struct corgibl_machinfo spitz_bl_machinfo = { |
| 150 | .max_intensity = 0x2f, |
| 151 | }; |
| 152 | |
| 153 | static struct platform_device spitzbl_device = { |
| 154 | .name = "corgi-bl", |
| 155 | .dev = { |
| 156 | .platform_data = &spitz_bl_machinfo, |
| 157 | }, |
| 158 | .id = -1, |
| 159 | }; |
| 160 | |
| 161 | |
| 162 | /* |
| 163 | * Spitz Keyboard Device |
| 164 | */ |
| 165 | static struct platform_device spitzkbd_device = { |
| 166 | .name = "spitz-keyboard", |
| 167 | .id = -1, |
| 168 | }; |
| 169 | |
| 170 | |
| 171 | /* |
| 172 | * Spitz Touch Screen Device |
| 173 | */ |
| 174 | static struct resource spitzts_resources[] = { |
| 175 | [0] = { |
| 176 | .start = SPITZ_IRQ_GPIO_TP_INT, |
| 177 | .end = SPITZ_IRQ_GPIO_TP_INT, |
| 178 | .flags = IORESOURCE_IRQ, |
| 179 | }, |
| 180 | }; |
| 181 | |
| 182 | static struct corgits_machinfo spitz_ts_machinfo = { |
| 183 | .get_hsync_len = spitz_get_hsync_len, |
| 184 | .put_hsync = spitz_put_hsync, |
| 185 | .wait_hsync = spitz_wait_hsync, |
| 186 | }; |
| 187 | |
| 188 | static struct platform_device spitzts_device = { |
| 189 | .name = "corgi-ts", |
| 190 | .dev = { |
| 191 | .parent = &spitzssp_device.dev, |
| 192 | .platform_data = &spitz_ts_machinfo, |
| 193 | }, |
| 194 | .id = -1, |
| 195 | .num_resources = ARRAY_SIZE(spitzts_resources), |
| 196 | .resource = spitzts_resources, |
| 197 | }; |
| 198 | |
| 199 | |
| 200 | /* |
| 201 | * MMC/SD Device |
| 202 | * |
| 203 | * The card detect interrupt isn't debounced so we delay it by 250ms |
| 204 | * to give the card a chance to fully insert/eject. |
| 205 | */ |
| 206 | |
| 207 | static struct pxamci_platform_data spitz_mci_platform_data; |
| 208 | |
| 209 | static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data) |
| 210 | { |
| 211 | int err; |
| 212 | |
| 213 | /* setup GPIO for PXA27x MMC controller */ |
| 214 | pxa_gpio_mode(GPIO32_MMCCLK_MD); |
| 215 | pxa_gpio_mode(GPIO112_MMCCMD_MD); |
| 216 | pxa_gpio_mode(GPIO92_MMCDAT0_MD); |
| 217 | pxa_gpio_mode(GPIO109_MMCDAT1_MD); |
| 218 | pxa_gpio_mode(GPIO110_MMCDAT2_MD); |
| 219 | pxa_gpio_mode(GPIO111_MMCDAT3_MD); |
| 220 | pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN); |
| 221 | pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN); |
| 222 | |
| 223 | spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
| 224 | |
| 225 | err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT, |
| 226 | "MMC card detect", data); |
| 227 | if (err) { |
| 228 | printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
| 229 | return -1; |
| 230 | } |
| 231 | |
| 232 | set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); |
| 233 | |
| 234 | return 0; |
| 235 | } |
| 236 | |
| 237 | /* Power control is shared with one of the CF slots so we have a mess */ |
| 238 | static void spitz_mci_setpower(struct device *dev, unsigned int vdd) |
| 239 | { |
| 240 | struct pxamci_platform_data* p_d = dev->platform_data; |
| 241 | |
| 242 | unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); |
| 243 | |
| 244 | if (( 1 << vdd) & p_d->ocr_mask) { |
| 245 | /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */ |
| 246 | set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); |
| 247 | mdelay(2); |
| 248 | write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04); |
| 249 | } else { |
| 250 | /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */ |
| 251 | write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04); |
| 252 | |
| 253 | if (!(cpr | 0x02)) { |
| 254 | mdelay(1); |
| 255 | reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | static int spitz_mci_get_ro(struct device *dev) |
| 261 | { |
| 262 | return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP); |
| 263 | } |
| 264 | |
| 265 | static void spitz_mci_exit(struct device *dev, void *data) |
| 266 | { |
| 267 | free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); |
| 268 | } |
| 269 | |
| 270 | static struct pxamci_platform_data spitz_mci_platform_data = { |
| 271 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| 272 | .init = spitz_mci_init, |
| 273 | .get_ro = spitz_mci_get_ro, |
| 274 | .setpower = spitz_mci_setpower, |
| 275 | .exit = spitz_mci_exit, |
| 276 | }; |
| 277 | |
| 278 | |
| 279 | /* |
| 280 | * Spitz PXA Framebuffer |
| 281 | */ |
| 282 | static struct pxafb_mach_info spitz_pxafb_info __initdata = { |
| 283 | .pixclock = 19231, |
| 284 | .xres = 480, |
| 285 | .yres = 640, |
| 286 | .bpp = 16, |
| 287 | .hsync_len = 40, |
| 288 | .left_margin = 46, |
| 289 | .right_margin = 125, |
| 290 | .vsync_len = 3, |
| 291 | .upper_margin = 1, |
| 292 | .lower_margin = 0, |
| 293 | .sync = 0, |
| 294 | .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM, |
| 295 | .lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH, |
| 296 | .pxafb_lcd_power = spitz_lcd_power, |
| 297 | }; |
| 298 | |
| 299 | |
| 300 | static struct platform_device *devices[] __initdata = { |
| 301 | &spitzscoop_device, |
| 302 | &spitzssp_device, |
| 303 | &spitzkbd_device, |
| 304 | &spitzts_device, |
| 305 | &spitzbl_device, |
Richard Purdie | 0dd28f1 | 2005-09-13 01:25:34 -0700 | [diff] [blame] | 306 | }; |
| 307 | |
| 308 | static void __init common_init(void) |
| 309 | { |
| 310 | PMCR = 0x00; |
| 311 | |
| 312 | /* setup sleep mode values */ |
| 313 | PWER = 0x00000002; |
| 314 | PFER = 0x00000000; |
| 315 | PRER = 0x00000002; |
| 316 | PGSR0 = 0x0158C000; |
| 317 | PGSR1 = 0x00FF0080; |
| 318 | PGSR2 = 0x0001C004; |
| 319 | |
| 320 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ |
| 321 | PCFR |= PCFR_OPDE; |
| 322 | |
| 323 | corgi_ssp_set_machinfo(&spitz_ssp_machinfo); |
| 324 | |
| 325 | pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN); |
| 326 | |
| 327 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 328 | pxa_set_mci_info(&spitz_mci_platform_data); |
Richard Purdie | cb38c56 | 2005-10-14 16:07:25 +0100 | [diff] [blame] | 329 | set_pxa_fb_parent(&spitzssp_device.dev); |
Richard Purdie | 0dd28f1 | 2005-09-13 01:25:34 -0700 | [diff] [blame] | 330 | set_pxa_fb_info(&spitz_pxafb_info); |
| 331 | } |
| 332 | |
| 333 | static void __init spitz_init(void) |
| 334 | { |
| 335 | scoop_num = 2; |
| 336 | scoop_devs = &spitz_pcmcia_scoop[0]; |
| 337 | spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; |
| 338 | |
| 339 | common_init(); |
| 340 | |
| 341 | platform_device_register(&spitzscoop2_device); |
| 342 | } |
| 343 | |
| 344 | static void __init fixup_spitz(struct machine_desc *desc, |
| 345 | struct tag *tags, char **cmdline, struct meminfo *mi) |
| 346 | { |
| 347 | sharpsl_save_param(); |
| 348 | mi->nr_banks = 1; |
| 349 | mi->bank[0].start = 0xa0000000; |
| 350 | mi->bank[0].node = 0; |
| 351 | mi->bank[0].size = (64*1024*1024); |
| 352 | } |
| 353 | |
| 354 | #ifdef CONFIG_MACH_SPITZ |
| 355 | MACHINE_START(SPITZ, "SHARP Spitz") |
| 356 | .phys_ram = 0xa0000000, |
| 357 | .phys_io = 0x40000000, |
| 358 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 359 | .fixup = fixup_spitz, |
| 360 | .map_io = pxa_map_io, |
| 361 | .init_irq = pxa_init_irq, |
| 362 | .init_machine = spitz_init, |
| 363 | .timer = &pxa_timer, |
| 364 | MACHINE_END |
| 365 | #endif |
| 366 | |
| 367 | #ifdef CONFIG_MACH_BORZOI |
| 368 | MACHINE_START(BORZOI, "SHARP Borzoi") |
| 369 | .phys_ram = 0xa0000000, |
| 370 | .phys_io = 0x40000000, |
| 371 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| 372 | .fixup = fixup_spitz, |
| 373 | .map_io = pxa_map_io, |
| 374 | .init_irq = pxa_init_irq, |
| 375 | .init_machine = spitz_init, |
| 376 | .timer = &pxa_timer, |
| 377 | MACHINE_END |
| 378 | #endif |