arch/arm/mach-omap1/board-innovator.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/arm/mach-omap1/board-innovator.c
   4  *
   5  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   6  *
   7  * Copyright (C) 2001 RidgeRun, Inc.
   8  * Author: Greg Lonnon <glonnon@ridgerun.com>
   9  *
  10  * Copyright (C) 2002 MontaVista Software, Inc.
  11  *
  12  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  13  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  14  */
  15 #include <linux/gpio.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/delay.h>
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/mtd/physmap.h>
  23 #include <linux/input.h>
  24 #include <linux/smc91x.h>
  25 #include <linux/omapfb.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <mach/mux.h>
  32 #include "flash.h"
  33 #include <mach/tc.h>
  34 #include <linux/platform_data/keypad-omap.h>
  35
  36 #include <mach/hardware.h>
  37 #include <mach/usb.h>
  38
  39 #include "iomap.h"
  40 #include "common.h"
  41 #include "mmc.h"
  42
  43 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  44 #define INNOVATOR1610_ETHR_START        0x04000300
  45
  46 static const unsigned int innovator_keymap[] = {
  47         KEY(0, 0, KEY_F1),
  48         KEY(3, 0, KEY_DOWN),
  49         KEY(1, 1, KEY_F2),
  50         KEY(2, 1, KEY_RIGHT),
  51         KEY(0, 2, KEY_F3),
  52         KEY(1, 2, KEY_F4),
  53         KEY(2, 2, KEY_UP),
  54         KEY(2, 3, KEY_ENTER),
  55         KEY(3, 3, KEY_LEFT),
  56 };
  57
  58 static struct mtd_partition innovator_partitions[] = {
  59         /* bootloader (U-Boot, etc) in first sector */
  60         {
  61               .name             = "bootloader",
  62               .offset           = 0,
  63               .size             = SZ_128K,
  64               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  65         },
  66         /* bootloader params in the next sector */
  67         {
  68               .name             = "params",
  69               .offset           = MTDPART_OFS_APPEND,
  70               .size             = SZ_128K,
  71               .mask_flags       = 0,
  72         },
  73         /* kernel */
  74         {
  75               .name             = "kernel",
  76               .offset           = MTDPART_OFS_APPEND,
  77               .size             = SZ_2M,
  78               .mask_flags       = 0
  79         },
  80         /* rest of flash1 is a file system */
  81         {
  82               .name             = "rootfs",
  83               .offset           = MTDPART_OFS_APPEND,
  84               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  85               .mask_flags       = 0
  86         },
  87         /* file system */
  88         {
  89               .name             = "filesystem",
  90               .offset           = MTDPART_OFS_APPEND,
  91               .size             = MTDPART_SIZ_FULL,
  92               .mask_flags       = 0
  93         }
  94 };
  95
  96 static struct physmap_flash_data innovator_flash_data = {
  97         .width          = 2,
  98         .set_vpp        = omap1_set_vpp,
  99         .parts          = innovator_partitions,
 100         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 101 };
 102
 103 static struct resource innovator_flash_resource = {
 104         .start          = OMAP_CS0_PHYS,
 105         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 106         .flags          = IORESOURCE_MEM,
 107 };
 108
 109 static struct platform_device innovator_flash_device = {
 110         .name           = "physmap-flash",
 111         .id             = 0,
 112         .dev            = {
 113                 .platform_data  = &innovator_flash_data,
 114         },
 115         .num_resources  = 1,
 116         .resource       = &innovator_flash_resource,
 117 };
 118
 119 static struct resource innovator_kp_resources[] = {
 120         [0] = {
 121                 .start  = INT_KEYBOARD,
 122                 .end    = INT_KEYBOARD,
 123                 .flags  = IORESOURCE_IRQ,
 124         },
 125 };
 126
 127 static const struct matrix_keymap_data innovator_keymap_data = {
 128         .keymap         = innovator_keymap,
 129         .keymap_size    = ARRAY_SIZE(innovator_keymap),
 130 };
 131
 132 static struct omap_kp_platform_data innovator_kp_data = {
 133         .rows           = 8,
 134         .cols           = 8,
 135         .keymap_data    = &innovator_keymap_data,
 136         .delay          = 4,
 137 };
 138
 139 static struct platform_device innovator_kp_device = {
 140         .name           = "omap-keypad",
 141         .id             = -1,
 142         .dev            = {
 143                 .platform_data = &innovator_kp_data,
 144         },
 145         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 146         .resource       = innovator_kp_resources,
 147 };
 148
 149 static struct smc91x_platdata innovator_smc91x_info = {
 150         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 151         .leda   = RPC_LED_100_10,
 152         .ledb   = RPC_LED_TX_RX,
 153 };
 154
 155 #ifdef CONFIG_ARCH_OMAP15XX
 156
 157 #include <linux/spi/spi.h>
 158 #include <linux/spi/ads7846.h>
 159
 160
 161 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 162 static struct map_desc innovator1510_io_desc[] __initdata = {
 163         {
 164                 .virtual        = OMAP1510_FPGA_BASE,
 165                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 166                 .length         = OMAP1510_FPGA_SIZE,
 167                 .type           = MT_DEVICE
 168         }
 169 };
 170
 171 static struct resource innovator1510_smc91x_resources[] = {
 172         [0] = {
 173                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 174                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 175                 .flags  = IORESOURCE_MEM,
 176         },
 177         [1] = {
 178                 .start  = OMAP1510_INT_ETHER,
 179                 .end    = OMAP1510_INT_ETHER,
 180                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 181         },
 182 };
 183
 184 static struct platform_device innovator1510_smc91x_device = {
 185         .name           = "smc91x",
 186         .id             = 0,
 187         .dev    = {
 188                 .platform_data  = &innovator_smc91x_info,
 189         },
 190         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 191         .resource       = innovator1510_smc91x_resources,
 192 };
 193
 194 static struct platform_device innovator1510_lcd_device = {
 195         .name           = "lcd_inn1510",
 196         .id             = -1,
 197 };
 198
 199 static struct platform_device innovator1510_spi_device = {
 200         .name           = "spi_inn1510",
 201         .id             = -1,
 202 };
 203
 204 static struct platform_device *innovator1510_devices[] __initdata = {
 205         &innovator_flash_device,
 206         &innovator1510_smc91x_device,
 207         &innovator_kp_device,
 208         &innovator1510_lcd_device,
 209         &innovator1510_spi_device,
 210 };
 211
 212 static int innovator_get_pendown_state(void)
 213 {
 214         return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 215 }
 216
 217 static const struct ads7846_platform_data innovator1510_ts_info = {
 218         .model                  = 7846,
 219         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 220         .x_plate_ohms           = 419,
 221         .y_plate_ohms           = 486,
 222         .get_pendown_state      = innovator_get_pendown_state,
 223 };
 224
 225 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 226         /* FPGA (bus "10") CS0 has an ads7846e */
 227         .modalias               = "ads7846",
 228         .platform_data          = &innovator1510_ts_info,
 229         .irq                    = OMAP1510_INT_FPGA_TS,
 230         .max_speed_hz           = 120000 /* max sample rate at 3V */
 231                                         * 26 /* command + data + overhead */,
 232         .bus_num                = 10,
 233         .chip_select            = 0,
 234 } };
 235
 236 #endif /* CONFIG_ARCH_OMAP15XX */
 237
 238 #ifdef CONFIG_ARCH_OMAP16XX
 239
 240 static struct resource innovator1610_smc91x_resources[] = {
 241         [0] = {
 242                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 243                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 248         },
 249 };
 250
 251 static struct platform_device innovator1610_smc91x_device = {
 252         .name           = "smc91x",
 253         .id             = 0,
 254         .dev    = {
 255                 .platform_data  = &innovator_smc91x_info,
 256         },
 257         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 258         .resource       = innovator1610_smc91x_resources,
 259 };
 260
 261 static struct platform_device innovator1610_lcd_device = {
 262         .name           = "inn1610_lcd",
 263         .id             = -1,
 264 };
 265
 266 static struct platform_device *innovator1610_devices[] __initdata = {
 267         &innovator_flash_device,
 268         &innovator1610_smc91x_device,
 269         &innovator_kp_device,
 270         &innovator1610_lcd_device,
 271 };
 272
 273 #endif /* CONFIG_ARCH_OMAP16XX */
 274
 275 static void __init innovator_init_smc91x(void)
 276 {
 277         if (cpu_is_omap1510()) {
 278                 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
 279                            OMAP1510_FPGA_RST);
 280                 udelay(750);
 281         } else {
 282                 if (gpio_request(0, "SMC91x irq") < 0) {
 283                         printk("Error requesting gpio 0 for smc91x irq\n");
 284                         return;
 285                 }
 286         }
 287 }
 288
 289 #ifdef CONFIG_ARCH_OMAP15XX
 290 static struct omap_usb_config innovator1510_usb_config __initdata = {
 291         /* for bundled non-standard host and peripheral cables */
 292         .hmc_mode       = 4,
 293
 294         .register_host  = 1,
 295         .pins[1]        = 6,
 296         .pins[2]        = 6,            /* Conflicts with UART2 */
 297
 298         .register_dev   = 1,
 299         .pins[0]        = 2,
 300 };
 301
 302 static const struct omap_lcd_config innovator1510_lcd_config __initconst = {
 303         .ctrl_name      = "internal",
 304 };
 305 #endif
 306
 307 #ifdef CONFIG_ARCH_OMAP16XX
 308 static struct omap_usb_config h2_usb_config __initdata = {
 309         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 310         .otg            = 2,
 311
 312 #if IS_ENABLED(CONFIG_USB_OMAP)
 313         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 314         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 315 #elif   IS_ENABLED(CONFIG_USB_OHCI_HCD)
 316         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 317         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 318 #endif
 319
 320         .pins[1]        = 3,
 321 };
 322
 323 static const struct omap_lcd_config innovator1610_lcd_config __initconst = {
 324         .ctrl_name      = "internal",
 325 };
 326 #endif
 327
 328 #if IS_ENABLED(CONFIG_MMC_OMAP)
 329
 330 static int mmc_set_power(struct device *dev, int slot, int power_on,
 331                                 int vdd)
 332 {
 333         if (power_on)
 334                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
 335                                 OMAP1510_FPGA_POWER);
 336         else
 337                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
 338                                 OMAP1510_FPGA_POWER);
 339
 340         return 0;
 341 }
 342
 343 /*
 344  * Innovator could use the following functions tested:
 345  * - mmc_get_wp that uses OMAP_MPUIO(3)
 346  * - mmc_get_cover_state that uses FPGA F4 UIO43
 347  */
 348 static struct omap_mmc_platform_data mmc1_data = {
 349         .nr_slots                       = 1,
 350         .slots[0]       = {
 351                 .set_power              = mmc_set_power,
 352                 .wires                  = 4,
 353                 .name                   = "mmcblk",
 354         },
 355 };
 356
 357 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 358
 359 static void __init innovator_mmc_init(void)
 360 {
 361         mmc_data[0] = &mmc1_data;
 362         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 363 }
 364
 365 #else
 366 static inline void innovator_mmc_init(void)
 367 {
 368 }
 369 #endif
 370
 371 static void __init innovator_init(void)
 372 {
 373         if (cpu_is_omap1510())
 374                 omap1510_fpga_init_irq();
 375         innovator_init_smc91x();
 376
 377 #ifdef CONFIG_ARCH_OMAP15XX
 378         if (cpu_is_omap1510()) {
 379                 unsigned char reg;
 380
 381                 /* mux pins for uarts */
 382                 omap_cfg_reg(UART1_TX);
 383                 omap_cfg_reg(UART1_RTS);
 384                 omap_cfg_reg(UART2_TX);
 385                 omap_cfg_reg(UART2_RTS);
 386                 omap_cfg_reg(UART3_TX);
 387                 omap_cfg_reg(UART3_RX);
 388
 389                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 390                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 391                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 392                 udelay(10);
 393
 394                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 395                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 396                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 397                 udelay(10);
 398
 399                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 400                 spi_register_board_info(innovator1510_boardinfo,
 401                                 ARRAY_SIZE(innovator1510_boardinfo));
 402         }
 403 #endif
 404 #ifdef CONFIG_ARCH_OMAP16XX
 405         if (!cpu_is_omap1510()) {
 406                 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
 407                 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
 408                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 409         }
 410 #endif
 411
 412 #ifdef CONFIG_ARCH_OMAP15XX
 413         if (cpu_is_omap1510()) {
 414                 omap1_usb_init(&innovator1510_usb_config);
 415                 omapfb_set_lcd_config(&innovator1510_lcd_config);
 416         }
 417 #endif
 418 #ifdef CONFIG_ARCH_OMAP16XX
 419         if (cpu_is_omap1610()) {
 420                 omap1_usb_init(&h2_usb_config);
 421                 omapfb_set_lcd_config(&innovator1610_lcd_config);
 422         }
 423 #endif
 424         omap_serial_init();
 425         omap_register_i2c_bus(1, 100, NULL, 0);
 426         innovator_mmc_init();
 427 }
 428
 429 /*
 430  * REVISIT: Assume 15xx for now, we don't want to do revision check
 431  * until later on. The right way to fix this is to set up a different
 432  * machine_id for 16xx Innovator, or use device tree.
 433  */
 434 static void __init innovator_map_io(void)
 435 {
 436 #ifdef CONFIG_ARCH_OMAP15XX
 437         omap15xx_map_io();
 438
 439         iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 440         udelay(10);     /* Delay needed for FPGA */
 441
 442         /* Dump the Innovator FPGA rev early - useful info for support. */
 443         pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
 444                         __raw_readb(OMAP1510_FPGA_REV_HIGH),
 445                         __raw_readb(OMAP1510_FPGA_REV_LOW),
 446                         __raw_readb(OMAP1510_FPGA_BOARD_REV));
 447 #endif
 448 }
 449
 450 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 451         /* Maintainer: MontaVista Software, Inc. */
 452         .atag_offset    = 0x100,
 453         .map_io         = innovator_map_io,
 454         .init_early     = omap1_init_early,
 455         .init_irq       = omap1_init_irq,
 456         .handle_irq     = omap1_handle_irq,
 457         .init_machine   = innovator_init,
 458         .init_late      = omap1_init_late,
 459         .init_time      = omap1_timer_init,
 460         .restart        = omap1_restart,
 461 MACHINE_END